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add unix projects to contrib module

This commit is contained in:
jani 2003-01-31 13:35:43 +00:00
parent c84cc55299
commit edd18aad86
33 changed files with 4510 additions and 0 deletions
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92
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#
# Copyright (c) 2001, 2002 Swedish Institute of Computer Science.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without modification,
# are permitted provided that the following conditions are met:
#
# 1. Redistributions of source code must retain the above copyright notice,
# this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright notice,
# this list of conditions and the following disclaimer in the documentation
# and/or other materials provided with the distribution.
# 3. The name of the author may not be used to endorse or promote products
# derived from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
# WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
# SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
# OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
# IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
# OF SUCH DAMAGE.
#
# This file is part of the lwIP TCP/IP stack.
#
# Author: Adam Dunkels <adam@sics.se>
#
CONTRIBDIR=../../../..
LWIPARCH=$(CONTRIBDIR)/ports/unix
#Set this to where you have the lwip core module checked out from CVS
#default assumes it's a dir named lwip at the same level as the contrib module
LWIPDIR=$(CONTRIBDIR)/../lwip/src
CCDEP=gcc
CC=gcc
CFLAGS=-g -Wall -fPIC -DIPv4 -DLWIP_DEBUG
CFLAGS:=$(CFLAGS) \
-I$(LWIPDIR)/include -I$(LWIPARCH)/include -I$(LWIPDIR)/include/ipv4 \
-Iapps -I.
# COREFILES, CORE4FILES: The minimum set of files needed for lwIP.
COREFILES=$(LWIPDIR)/core/mem.c $(LWIPDIR)/core/memp.c $(LWIPDIR)/core/netif.c \
$(LWIPDIR)/core/pbuf.c $(LWIPDIR)/core/stats.c $(LWIPDIR)/core/sys.c \
$(LWIPDIR)/core/tcp.c $(LWIPDIR)/core/tcp_in.c \
$(LWIPDIR)/core/tcp_out.c $(LWIPDIR)/core/udp.c
CORE4FILES=$(LWIPDIR)/core/ipv4/icmp.c $(LWIPDIR)/core/ipv4/ip.c \
$(LWIPDIR)/core/inet.c $(LWIPDIR)/core/ipv4/ip_addr.c
# APIFILES: The files which implement the sequential and socket APIs.
APIFILES=$(LWIPDIR)/api/api_lib.c $(LWIPDIR)/api/api_msg.c $(LWIPDIR)/api/tcpip.c \
$(LWIPDIR)/api/err.c $(LWIPDIR)/api/sockets.c
# NETIFFILES: Files implementing various generic network interface functions.'
NETIFFILES=$(LWIPDIR)/netif/loopif.c \
$(LWIPDIR)/netif/etharp.c
# ARCHFILES: Archiecture specific files.
ARCHFILES=$(wildcard $(LWIPDIR)/arch/$(LWIPARCH)/*.c $(LWIPDIR)/arch/$(LWIPARCH)/netif/*.c)
# LWIPFILES: All the above.
LWIPFILES=$(COREFILES) $(CORE4FILES) $(APIFILES) $(NETIFFILES) $(ARCHFILES)
LWIPFILESW=$(wildcard $(LWIPFILES))
LWIPOBJS=$(notdir $(LWIPFILESW:.c=.o))
LWIPLIB=liblwip.so
%.o:
$(CC) $(CFLAGS) -c $(<:.o=.c)
all: $(LWIPLIB)
.PHONY: all
clean:
rm -f *.o $(LWIPLIB) *.s .depend* *.core core
depend dep: .depend
include .depend
$(LWIPLIB): $(LWIPOBJS) unixlib.o
$(CC) -g -nostartfiles -shared -o $@ $^
.depend: unixlib.c $(LWIPFILES)
$(CCDEP) $(CFLAGS) -MM $^ > .depend || rm -f .depend

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This directory contains an example of how to compile lwIP as a self
initialising shared library on Linux.
Some brief instructions:
* Compile the code:
> make clean all
This should produce liblwip4unixlib.so. This is the shared library.
* Link an application against the shared library
If you're using gcc you can do this by including -llwip4unixlib in
your link command.
* Run your application
Ensure that LD_LIBRARY_PATH includes the directory that contains
liblwip4unixlib.so (ie. this directory)
If you are unsure about shared libraries and libraries on linux in
general, you might find this HOWTO useful:
<http://www.tldp.org/HOWTO/Program-Library-HOWTO/>
Kieran Mansley, October 2002.

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/*
* Copyright (c) 2001-2003 Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Adam Dunkels <adam@sics.se>
*
*/
#ifndef __LWIPOPTS_H__
#define __LWIPOPTS_H__
/* ---------- Memory options ---------- */
/* MEM_ALIGNMENT: should be set to the alignment of the CPU for which
lwIP is compiled. 4 byte alignment -> define MEM_ALIGNMENT to 4, 2
byte alignment -> define MEM_ALIGNMENT to 2. */
#define MEM_ALIGNMENT 1
/* MEM_SIZE: the size of the heap memory. If the application will send
a lot of data that needs to be copied, this should be set high. */
#define MEM_SIZE 1600
/* MEMP_NUM_PBUF: the number of memp struct pbufs. If the application
sends a lot of data out of ROM (or other static memory), this
should be set high. */
#define MEMP_NUM_PBUF 16
/* MEMP_NUM_UDP_PCB: the number of UDP protocol control blocks. One
per active UDP "connection". */
#define MEMP_NUM_UDP_PCB 4
/* MEMP_NUM_TCP_PCB: the number of simulatenously active TCP
connections. */
#define MEMP_NUM_TCP_PCB 5
/* MEMP_NUM_TCP_PCB_LISTEN: the number of listening TCP
connections. */
#define MEMP_NUM_TCP_PCB_LISTEN 8
/* MEMP_NUM_TCP_SEG: the number of simultaneously queued TCP
segments. */
#define MEMP_NUM_TCP_SEG 16
/* MEMP_NUM_SYS_TIMEOUT: the number of simulateously active
timeouts. */
#define MEMP_NUM_SYS_TIMEOUT 3
/* The following four are used only with the sequential API and can be
set to 0 if the application only will use the raw API. */
/* MEMP_NUM_NETBUF: the number of struct netbufs. */
#define MEMP_NUM_NETBUF 2
/* MEMP_NUM_NETCONN: the number of struct netconns. */
#define MEMP_NUM_NETCONN 4
/* MEMP_NUM_APIMSG: the number of struct api_msg, used for
communication between the TCP/IP stack and the sequential
programs. */
#define MEMP_NUM_API_MSG 8
/* MEMP_NUM_TCPIPMSG: the number of struct tcpip_msg, which is used
for sequential API communication and incoming packets. Used in
src/api/tcpip.c. */
#define MEMP_NUM_TCPIP_MSG 8
/* These two control is reclaimer functions should be compiled
in. Should always be turned on (1). */
#define MEM_RECLAIM 1
#define MEMP_RECLAIM 1
/* ---------- Pbuf options ---------- */
/* PBUF_POOL_SIZE: the number of buffers in the pbuf pool. */
#define PBUF_POOL_SIZE 6
/* PBUF_POOL_BUFSIZE: the size of each pbuf in the pbuf pool. */
#define PBUF_POOL_BUFSIZE 128
/* PBUF_LINK_HLEN: the number of bytes that should be allocated for a
link level header. */
#define PBUF_LINK_HLEN 16
/* ---------- TCP options ---------- */
#define LWIP_TCP 1
#define TCP_TTL 255
/* Controls if TCP should queue segments that arrive out of
order. Define to 0 if your device is low on memory. */
#define TCP_QUEUE_OOSEQ 1
/* TCP Maximum segment size. */
#define TCP_MSS 128
/* TCP sender buffer space (bytes). */
#define TCP_SND_BUF 256
/* TCP sender buffer space (pbufs). This must be at least = 2 *
TCP_SND_BUF/TCP_MSS for things to work. */
#define TCP_SND_QUEUELEN 4 * TCP_SND_BUF/TCP_MSS
/* TCP receive window. */
#define TCP_WND 1024
/* Maximum number of retransmissions of data segments. */
#define TCP_MAXRTX 12
/* Maximum number of retransmissions of SYN segments. */
#define TCP_SYNMAXRTX 4
/* ---------- ARP options ---------- */
#define ARP_TABLE_SIZE 10
#define ARP_QUEUEING 1
/**
* - If enabled, cache entries are generated for every kind of ARP traffic or
* broadcast IP traffic. This enhances behaviour for sending to a dynamic set
* of hosts, for example if acting as a gateway.
* - If disabled, cache entries are generated only for IP destination addresses
* in use by lwIP or applications. This enhances performance if sending to a small,
* reasonably static number of hosts. Typically for embedded devices.
*/
#define ETHARP_ALWAYS_INSERT 1
/* ---------- IP options ---------- */
/* Define IP_FORWARD to 1 if you wish to have the ability to forward
IP packets across network interfaces. If you are going to run lwIP
on a device with only one network interface, define this to 0. */
#define IP_FORWARD 1
/* If defined to 1, IP options are allowed (but not parsed). If
defined to 0, all packets with IP options are dropped. */
#define IP_OPTIONS 1
/* ---------- ICMP options ---------- */
#define ICMP_TTL 255
/* ---------- DHCP options ---------- */
/* Define LWIP_DHCP to 1 if you want DHCP configuration of
interfaces. DHCP is not implemented in lwIP 0.5.1, however, so
turning this on does currently not work. */
#define LWIP_DHCP 0
/* 1 if you want to do an ARP check on the offered address
(recommended). */
#define DHCP_DOES_ARP_CHECK 1
/* ---------- UDP options ---------- */
#define LWIP_UDP 1
#define UDP_TTL 255
/* ---------- Statistics options ---------- */
#define STATS
#ifdef STATS
#define LINK_STATS
#define IP_STATS
#define ICMP_STATS
#define UDP_STATS
#define TCP_STATS
#define MEM_STATS
#define MEMP_STATS
#define PBUF_STATS
#define SYS_STATS
#endif /* STATS */
#endif /* __LWIPOPTS_H__ */

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/*
* Copyright (c) 2001-2003 Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* Author: Kieran Mansley <kjm25@cam.ac.uk>
*
* $Id: unixlib.c,v 1.1 2003/01/31 13:35:43 jani Exp $
*/
/*-----------------------------------------------------------------------------------*/
/* unixlib.c
*
* The initialisation functions for a shared library
*
* You may need to configure this file to your own needs - it is only an example
* of how lwIP can be used as a self initialising shared library.
*
* In particular, you should change the gateway, ipaddr, and netmask to be the values
* you would like the stack to use.
*/
/*-----------------------------------------------------------------------------------*/
#include "lwip/sys.h"
#include "lwip/mem.h"
#include "lwip/memp.h"
#include "lwip/pbuf.h"
#include "lwip/tcp.h"
#include "lwip/tcpip.h"
#include "lwip/netif.h"
#include "lwip/stats.h"
#include "netif/tapif.h"
static void
tcpip_init_done(void *arg)
{
sys_sem_t *sem;
sem = arg;
sys_sem_signal(*sem);
}
void _init(void){
struct ip_addr ipaddr, netmask, gateway;
sys_sem_t sem;
stats_init();
sys_init();
mem_init();
memp_init();
pbuf_init();
sem = sys_sem_new(0);
tcpip_init(tcpip_init_done, &sem);
sys_sem_wait(sem);
sys_sem_free(sem);
netif_init();
/*
CHANGE THESE to suit your own network configuration:
*/
IP4_ADDR(&gateway, 192,168,1,1);
IP4_ADDR(&ipaddr, 192,168,1,1);
IP4_ADDR(&netmask, 255,255,255,0);
netif_set_default(netif_add(&ipaddr, &netmask, &gateway, tapif_init,
tcpip_input));
}
void _fini(void){
}

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#
# Copyright (c) 2001, 2002 Swedish Institute of Computer Science.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without modification,
# are permitted provided that the following conditions are met:
#
# 1. Redistributions of source code must retain the above copyright notice,
# this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright notice,
# this list of conditions and the following disclaimer in the documentation
# and/or other materials provided with the distribution.
# 3. The name of the author may not be used to endorse or promote products
# derived from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
# WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
# SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
# OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
# IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
# OF SUCH DAMAGE.
#
# This file is part of the lwIP TCP/IP stack.
#
# Author: Adam Dunkels <adam@sics.se>
#
CCDEP=gcc
CC=gcc
CFLAGS=-g -Wall -DIPv4 -Os -fpack-struct
ARFLAGS=rs
CONTRIBDIR=../../../..
LWIPARCH=$(CONTRIBDIR)/ports/unix
#Set this to where you have the lwip core module checked out from CVS
#default assumes it's a dir named lwip at the same level as the contrib module
LWIPDIR=$(CONTRIBDIR)/../lwip/src
CFLAGS:=$(CFLAGS) \
-I$(LWIPDIR)/include -I$(LWIPARCH)/include -I$(LWIPDIR)/include/ipv4 \
-Iapps -I.
# COREFILES, CORE4FILES: The minimum set of files needed for lwIP.
COREFILES=$(LWIPDIR)/core/mem.c $(LWIPDIR)/core/memp.c $(LWIPDIR)/core/netif.c \
$(LWIPDIR)/core/pbuf.c $(LWIPDIR)/core/stats.c $(LWIPDIR)/core/sys.c \
$(LWIPDIR)/core/tcp.c $(LWIPDIR)/core/tcp_in.c \
$(LWIPDIR)/core/tcp_out.c $(LWIPDIR)/core/udp.c
CORE4FILES=$(LWIPDIR)/core/ipv4/icmp.c $(LWIPDIR)/core/ipv4/ip.c \
$(LWIPDIR)/core/inet.c $(LWIPDIR)/core/ipv4/ip_addr.c
# NETIFFILES: Files implementing various generic network interface functions.'
NETIFFILES=$(LWIPDIR)/netif/etharp.c mintapif.c
# LWIPFILES: All the above.
LWIPFILES=$(COREFILES) $(CORE4FILES) $(NETIFFILES)
LWIPFILESW=$(wildcard $(LWIPFILES))
LWIPOBJS=$(notdir $(LWIPFILESW:.c=.o))
# APPFILES
APPFILES=echo.c
LWIPLIB=liblwip4.a
APPLIB=liblwipapps.a
APPOBJS=$(notdir $(APPFILES:.c=.o))
%.o:
$(CC) $(CFLAGS) -c $(<:.o=.c)
all ipv4 compile: minimal
.PHONY: all
clean:
rm -f *.o $(LWIPLIB) $(APPLIB) minimal .depend* *.core core
depend dep: .depend
include .depend
$(APPLIB): $(APPOBJS)
$(AR) $(ARFLAGS) $(APPLIB) $?
$(LWIPLIB): $(LWIPOBJS)
$(AR) $(ARFLAGS) $(LWIPLIB) $?
.depend: main.c $(LWIPFILES) $(APPFILES)
$(CCDEP) $(CFLAGS) -MM $^ > .depend || rm -f .depend
minimal: .depend $(LWIPLIB) $(APPLIB) main.o $(APPFILES)
$(CC) $(CFLAGS) $(LDFLAGS) -o minimal main.o $(APPLIB) $(LWIPLIB)

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This is an example of a very minimal lwIP project. It runs in a single
thread and runs a single example application - an echo server. The
echo application is implemented using the raw API.

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/*
* Copyright (c) 2001-2003 Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Adam Dunkels <adam@sics.se>
*
*/
#include "lwip/debug.h"
#include "lwip/stats.h"
#include "lwip/tcp.h"
struct echo_state {
struct pbuf *p;
u8_t failed;
#define FAILED_MAX 8
};
/*-----------------------------------------------------------------------------------*/
static void
echo_err(void *arg, err_t err)
{
struct echo_state *es = arg;
if(arg != NULL) {
pbuf_free(es->p);
mem_free(arg);
}
}
/*-----------------------------------------------------------------------------------*/
static void
close_conn(struct tcp_pcb *pcb, struct echo_state *es)
{
tcp_arg(pcb, NULL);
#if 0
tcp_sent(pcb, NULL);
tcp_recv(pcb, NULL);
#endif /* 0 */
if(es != NULL) {
pbuf_free(es->p);
mem_free(es);
}
tcp_close(pcb);
}
/*-----------------------------------------------------------------------------------*/
static void
send_buf(struct tcp_pcb *pcb, struct echo_state *es)
{
struct pbuf *q;
do {
q = es->p;
es->p = pbuf_dechain(q);
if(tcp_write(pcb, q->payload, q->len, 1) == ERR_MEM) {
pbuf_chain(q, es->p);
es->p = q;
return;
}
tcp_recved(pcb, q->len);
pbuf_free(q);
} while(es->p != NULL);
}
/*-----------------------------------------------------------------------------------*/
static err_t
echo_poll(void *arg, struct tcp_pcb *pcb)
{
struct echo_state *es;
if(arg == NULL) {
return tcp_close(pcb);
}
es = arg;
if(es->failed >= FAILED_MAX) {
close_conn(pcb, es);
tcp_abort(pcb);
return ERR_ABRT;
}
if(es->p != NULL) {
++es->failed;
send_buf(pcb, es);
}
return ERR_OK;
}
/*-----------------------------------------------------------------------------------*/
static err_t
echo_sent(void *arg, struct tcp_pcb *pcb, u16_t len)
{
struct echo_state *es;
es = arg;
if(es != NULL && es->p != NULL) {
send_buf(pcb, es);
}
return ERR_OK;
}
/*-----------------------------------------------------------------------------------*/
static err_t
echo_recv(void *arg, struct tcp_pcb *pcb, struct pbuf *p, err_t err)
{
struct echo_state *es;
es = arg;
if(p == NULL) {
close_conn(pcb, es);
return ERR_OK;
}
if(es->p != NULL) {
pbuf_chain(es->p, p);
} else {
es->p = p;
}
send_buf(pcb, es);
return ERR_OK;
}
/*-----------------------------------------------------------------------------------*/
static err_t
echo_accept(void *arg, struct tcp_pcb *pcb, err_t err)
{
struct echo_state *es;
tcp_setprio(pcb, TCP_PRIO_MIN);
/* Allocate memory for the structure that holds the state of the
connection. */
es = mem_malloc(sizeof(struct echo_state));
if(es == NULL) {
return ERR_MEM;
}
/* Initialize the structure. */
es->p = NULL;
es->failed = 0;
/* Tell TCP that this is the structure we wish to be passed for our
callbacks. */
tcp_arg(pcb, es);
/* Tell TCP that we wish to be informed of incoming data by a call
to the http_recv() function. */
#if 0
tcp_recv(pcb, echo_recv);
tcp_err(pcb, echo_err);
#endif /* 0 */
tcp_poll(pcb, echo_poll, 2);
return ERR_OK;
}
/*-----------------------------------------------------------------------------------*/
void
echo_init(void)
{
struct tcp_pcb *pcb;
pcb = tcp_new();
tcp_bind(pcb, IP_ADDR_ANY, 7);
pcb = tcp_listen(pcb);
#if 0
tcp_accept(pcb, echo_accept);
#endif /* 0 */
}
/*-----------------------------------------------------------------------------------*/
err_t
lwip_tcp_event(void *arg, struct tcp_pcb *pcb,
enum lwip_event ev, struct pbuf *p,
u16_t size, err_t err)
{
switch(ev) {
case LWIP_EVENT_ACCEPT:
return echo_accept(arg, pcb, err);
case LWIP_EVENT_SENT:
return echo_sent(arg, pcb, size);
case LWIP_EVENT_RECV:
return echo_recv(arg, pcb, p, err);
case LWIP_EVENT_ERR:
echo_err(arg, err);
break;
case LWIP_EVENT_POLL:
return echo_poll(arg, pcb);
default:
break;
}
return ERR_OK;
}
/*-----------------------------------------------------------------------------------*/

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/*
* Copyright (c) 2001-2003 Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Adam Dunkels <adam@sics.se>
*
*/
#ifndef __LWIPOPTS_H__
#define __LWIPOPTS_H__
#define NO_SYS 1
#define LWIP_EVENT_API 1
/* ---------- Memory options ---------- */
/* MEM_ALIGNMENT: should be set to the alignment of the CPU for which
lwIP is compiled. 4 byte alignment -> define MEM_ALIGNMENT to 4, 2
byte alignment -> define MEM_ALIGNMENT to 2. */
#define MEM_ALIGNMENT 2
/* MEM_SIZE: the size of the heap memory. If the application will send
a lot of data that needs to be copied, this should be set high. */
#define MEM_SIZE 1000
/* MEMP_NUM_PBUF: the number of memp struct pbufs. If the application
sends a lot of data out of ROM (or other static memory), this
should be set high. */
#define MEMP_NUM_PBUF 8
/* MEMP_NUM_UDP_PCB: the number of UDP protocol control blocks. One
per active UDP "connection". */
#define MEMP_NUM_UDP_PCB 4
/* MEMP_NUM_TCP_PCB: the number of simulatenously active TCP
connections. */
#define MEMP_NUM_TCP_PCB 2
/* MEMP_NUM_TCP_PCB_LISTEN: the number of listening TCP
connections. */
#define MEMP_NUM_TCP_PCB_LISTEN 8
/* MEMP_NUM_TCP_SEG: the number of simultaneously queued TCP
segments. */
#define MEMP_NUM_TCP_SEG 8
/* The following four are used only with the sequential API and can be
set to 0 if the application only will use the raw API. */
/* MEMP_NUM_NETBUF: the number of struct netbufs. */
#define MEMP_NUM_NETBUF 0
/* MEMP_NUM_NETCONN: the number of struct netconns. */
#define MEMP_NUM_NETCONN 0
/* MEMP_NUM_APIMSG: the number of struct api_msg, used for
communication between the TCP/IP stack and the sequential
programs. */
#define MEMP_NUM_API_MSG 0
/* MEMP_NUM_TCPIPMSG: the number of struct tcpip_msg, which is used
for sequential API communication and incoming packets. Used in
src/api/tcpip.c. */
#define MEMP_NUM_TCPIP_MSG 0
/* MEMP_NUM_SYS_TIMEOUT: the number of simulateously active
timeouts. */
#define MEMP_NUM_SYS_TIMEOUT 0
/* ---------- Pbuf options ---------- */
/* PBUF_POOL_SIZE: the number of buffers in the pbuf pool. */
#define PBUF_POOL_SIZE 8
/* PBUF_POOL_BUFSIZE: the size of each pbuf in the pbuf pool. */
#define PBUF_POOL_BUFSIZE 128
/* PBUF_LINK_HLEN: the number of bytes that should be allocated for a
link level header. */
#define PBUF_LINK_HLEN 16
/* ---------- TCP options ---------- */
#define LWIP_TCP 1
#define TCP_TTL 255
/* Controls if TCP should queue segments that arrive out of
order. Define to 0 if your device is low on memory. */
#define TCP_QUEUE_OOSEQ 0
/* TCP Maximum segment size. */
#define TCP_MSS 128
/* TCP sender buffer space (bytes). */
#define TCP_SND_BUF 256
/* TCP sender buffer space (pbufs). This must be at least = 2 *
TCP_SND_BUF/TCP_MSS for things to work. */
#define TCP_SND_QUEUELEN 4 * TCP_SND_BUF/TCP_MSS
/* TCP receive window. */
#define TCP_WND 512
/* Maximum number of retransmissions of data segments. */
#define TCP_MAXRTX 12
/* Maximum number of retransmissions of SYN segments. */
#define TCP_SYNMAXRTX 4
/* ---------- ARP options ---------- */
#define ARP_TABLE_SIZE 10
#define ARP_QUEUEING 0
/**
* - If enabled, cache entries are generated for every kind of ARP traffic or
* broadcast IP traffic. This enhances behaviour for sending to a dynamic set
* of hosts, for example if acting as a gateway.
* - If disabled, cache entries are generated only for IP destination addresses
* in use by lwIP or applications. This enhances performance if sending to a small,
* reasonably static number of hosts. Typically for embedded devices.
*/
#define ETHARP_ALWAYS_INSERT 0
/* ---------- IP options ---------- */
/* Define IP_FORWARD to 1 if you wish to have the ability to forward
IP packets across network interfaces. If you are going to run lwIP
on a device with only one network interface, define this to 0. */
#define IP_FORWARD 0
/* If defined to 1, IP options are allowed (but not parsed). If
defined to 0, all packets with IP options are dropped. */
#define IP_OPTIONS 1
/* ---------- ICMP options ---------- */
#define ICMP_TTL 255
/* ---------- DHCP options ---------- */
/* Define LWIP_DHCP to 1 if you want DHCP configuration of
interfaces. DHCP is not implemented in lwIP 0.5.1, however, so
turning this on does currently not work. */
#define LWIP_DHCP 0
/* 1 if you want to do an ARP check on the offered address
(recommended). */
#define DHCP_DOES_ARP_CHECK 1
/* ---------- UDP options ---------- */
#define LWIP_UDP 0
#define UDP_TTL 255
/* ---------- Statistics options ---------- */
/*#define STATS*/
#ifdef STATS
#define LINK_STATS
#define IP_STATS
#define ICMP_STATS
#define UDP_STATS
#define TCP_STATS
#define MEM_STATS
#define MEMP_STATS
#define PBUF_STATS
#define SYS_STATS
#endif /* STATS */
#endif /* __LWIPOPTS_H__ */

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/*
* Copyright (c) 2001-2003 Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Adam Dunkels <adam@sics.se>
*
*/
#include "lwip/debug.h"
#include "lwip/mem.h"
#include "lwip/memp.h"
#include "lwip/sys.h"
#include "lwip/stats.h"
#include "lwip/ip.h"
#include "lwip/udp.h"
#include "lwip/tcp.h"
#include "mintapif.h"
/*-----------------------------------------------------------------------------------*/
int
main(int argc, char **argv)
{
struct ip_addr ipaddr, netmask, gw;
struct netif *netif;
#ifdef PERF
perf_init("/tmp/minimal.perf");
#endif /* PERF */
#ifdef STATS
stats_init();
#endif /* STATS */
mem_init();
memp_init();
pbuf_init();
netif_init();
ip_init();
udp_init();
tcp_init();
printf("TCP/IP initialized.\n");
IP4_ADDR(&gw, 192,168,0,1);
IP4_ADDR(&ipaddr, 192,168,0,2);
IP4_ADDR(&netmask, 255,255,255,0);
netif = netif_add(&ipaddr, &netmask, &gw, mintapif_init, ip_input);
netif_set_default(netif);
echo_init();
printf("Applications started.\n");
while(1) {
if(mintapif_wait(netif, 100) == MINTAPIF_TIMEOUT) {
tcp_tmr();
}
}
return 0;
}
/*-----------------------------------------------------------------------------------*/

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/*-----------------------------------------------------------------------------------*/
/*
* Copyright (c) 2001-2003 Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Adam Dunkels <adam@sics.se>
*
*/
#include <fcntl.h>
#include <stdlib.h>
#include <stdio.h>
#include <unistd.h>
#include <string.h>
#include <sys/ioctl.h>
#include <sys/socket.h>
#include <sys/types.h>
#include <sys/time.h>
#include <sys/uio.h>
#include <sys/socket.h>
#ifdef linux
#include <sys/ioctl.h>
#include <linux/if.h>
#include <linux/if_tun.h>
#define DEVTAP "/dev/net/tun"
#else /* linux */
#define DEVTAP "/dev/tap0"
#endif /* linux */
#include "lwip/stats.h"
#include "lwip/mem.h"
#include "netif/etharp.h"
#include "mintapif.h"
/* Define those to better describe your network interface. */
#define IFNAME0 'e'
#define IFNAME1 't'
struct mintapif {
struct eth_addr *ethaddr;
/* Add whatever per-interface state that is needed here. */
u32_t lasttime;
int fd;
};
static const struct eth_addr ethbroadcast = {{0xff,0xff,0xff,0xff,0xff,0xff}};
/* Forward declarations. */
static void mintapif_input(struct netif *netif);
static err_t mintapif_output(struct netif *netif, struct pbuf *p,
struct ip_addr *ipaddr);
/*-----------------------------------------------------------------------------------*/
static void
low_level_init(struct netif *netif)
{
struct mintapif *mintapif;
char buf[1024];
mintapif = netif->state;
/* Obtain MAC address from network interface. */
mintapif->ethaddr->addr[0] = 1;
mintapif->ethaddr->addr[1] = 2;
mintapif->ethaddr->addr[2] = 3;
mintapif->ethaddr->addr[3] = 4;
mintapif->ethaddr->addr[4] = 5;
mintapif->ethaddr->addr[5] = 6;
/* Do whatever else is needed to initialize interface. */
mintapif->fd = open(DEVTAP, O_RDWR);
if(mintapif->fd == -1) {
perror("tapif: tapif_init: open");
exit(1);
}
#ifdef linux
{
struct ifreq ifr;
memset(&ifr, 0, sizeof(ifr));
ifr.ifr_flags = IFF_TAP|IFF_NO_PI;
if (ioctl(mintapif->fd, TUNSETIFF, (void *) &ifr) < 0) {
perror(buf);
exit(1);
}
}
#endif /* Linux */
snprintf(buf, sizeof(buf), "ifconfig tap0 inet %d.%d.%d.%d",
ip4_addr1(&(netif->gw)),
ip4_addr2(&(netif->gw)),
ip4_addr3(&(netif->gw)),
ip4_addr4(&(netif->gw)));
system(buf);
mintapif->lasttime = 0;
}
/*-----------------------------------------------------------------------------------*/
/*
* low_level_output():
*
* Should do the actual transmission of the packet. The packet is
* contained in the pbuf that is passed to the function. This pbuf
* might be chained.
*
*/
/*-----------------------------------------------------------------------------------*/
static err_t
low_level_output(struct netif *netif, struct pbuf *p)
{
struct mintapif *mintapif;
struct pbuf *q;
char buf[1500];
char *bufptr;
mintapif = netif->state;
/* initiate transfer(); */
bufptr = &buf[0];
for(q = p; q != NULL; q = q->next) {
/* Send the data from the pbuf to the interface, one pbuf at a
time. The size of the data in each pbuf is kept in the ->len
variable. */
/* send data from(q->payload, q->len); */
memcpy(bufptr, q->payload, q->len);
bufptr += q->len;
}
/* signal that packet should be sent(); */
if(write(mintapif->fd, buf, p->tot_len) == -1) {
perror("tapif: write");
}
return ERR_OK;
}
/*-----------------------------------------------------------------------------------*/
/*
* low_level_input():
*
* Should allocate a pbuf and transfer the bytes of the incoming
* packet from the interface into the pbuf.
*
*/
/*-----------------------------------------------------------------------------------*/
static struct pbuf *
low_level_input(struct mintapif *mintapif)
{
struct pbuf *p, *q;
u16_t len;
char buf[1500];
char *bufptr;
/* Obtain the size of the packet and put it into the "len"
variable. */
len = read(mintapif->fd, buf, sizeof(buf));
/* if(((double)rand()/(double)RAND_MAX) < 0.1) {
printf("drop\n");
return NULL;
}*/
/* We allocate a pbuf chain of pbufs from the pool. */
p = pbuf_alloc(PBUF_LINK, len, PBUF_POOL);
if(p != NULL) {
/* We iterate over the pbuf chain until we have read the entire
packet into the pbuf. */
bufptr = &buf[0];
for(q = p; q != NULL; q = q->next) {
/* Read enough bytes to fill this pbuf in the chain. The
avaliable data in the pbuf is given by the q->len
variable. */
/* read data into(q->payload, q->len); */
memcpy(q->payload, bufptr, q->len);
bufptr += q->len;
}
/* acknowledge that packet has been read(); */
} else {
/* drop packet(); */
printf("Could not allocate pbufs\n");
}
return p;
}
/*-----------------------------------------------------------------------------------*/
/*
* mintapif_output():
*
* This function is called by the TCP/IP stack when an IP packet
* should be sent. It calls the function called low_level_output() to
* do the actuall transmission of the packet.
*
*/
/*-----------------------------------------------------------------------------------*/
static err_t
mintapif_output(struct netif *netif, struct pbuf *p,
struct ip_addr *ipaddr)
{
p = etharp_output(netif, ipaddr, p);
if(p != NULL) {
return low_level_output(netif, p);
}
return ERR_OK;
}
/*-----------------------------------------------------------------------------------*/
/*
* mintapif_input():
*
* This function should be called when a packet is ready to be read
* from the interface. It uses the function low_level_input() that
* should handle the actual reception of bytes from the network
* interface.
*
*/
/*-----------------------------------------------------------------------------------*/
static void
mintapif_input(struct netif *netif)
{
struct mintapif *mintapif;
struct eth_hdr *ethhdr;
struct pbuf *p, *q;
mintapif = netif->state;
p = low_level_input(mintapif);
if(p != NULL) {
#ifdef LINK_STATS
lwip_stats.link.recv++;
#endif /* LINK_STATS */
ethhdr = p->payload;
q = NULL;
switch(htons(ethhdr->type)) {
case ETHTYPE_IP:
q = etharp_ip_input(netif, p);
pbuf_header(p, -14);
netif->input(p, netif);
break;
case ETHTYPE_ARP:
q = etharp_arp_input(netif, mintapif->ethaddr, p);
break;
default:
pbuf_free(p);
break;
}
if(q != NULL) {
low_level_output(netif, q);
pbuf_free(q);
}
}
}
/*-----------------------------------------------------------------------------------*/
/*
* mintapif_init():
*
* Should be called at the beginning of the program to set up the
* network interface. It calls the function low_level_init() to do the
* actual setup of the hardware.
*
*/
/*-----------------------------------------------------------------------------------*/
void
mintapif_init(struct netif *netif)
{
struct mintapif *mintapif;
mintapif = mem_malloc(sizeof(struct mintapif));
netif->state = mintapif;
netif->name[0] = IFNAME0;
netif->name[1] = IFNAME1;
netif->output = mintapif_output;
netif->linkoutput = low_level_output;
mintapif->ethaddr = (struct eth_addr *)&(netif->hwaddr[0]);
low_level_init(netif);
}
/*-----------------------------------------------------------------------------------*/
enum mintapif_signal
mintapif_wait(struct netif *netif, u16_t time)
{
fd_set fdset;
struct timeval tv, now;
struct timezone tz;
int ret;
struct mintapif *mintapif;
mintapif = netif->state;
while(1) {
if(mintapif->lasttime >= (u32_t)time * 1000) {
mintapif->lasttime = 0;
return MINTAPIF_TIMEOUT;
}
tv.tv_sec = 0;
tv.tv_usec = (u32_t)time * 1000 - mintapif->lasttime;
FD_ZERO(&fdset);
FD_SET(mintapif->fd, &fdset);
gettimeofday(&now, &tz);
ret = select(mintapif->fd + 1, &fdset, NULL, NULL, &tv);
if(ret == 0) {
mintapif->lasttime = 0;
return MINTAPIF_TIMEOUT;
}
gettimeofday(&tv, &tz);
mintapif->lasttime += (tv.tv_sec - now.tv_sec) * 1000000 + (tv.tv_usec - now.tv_usec);
mintapif_input(netif);
}
return MINTAPIF_PACKET;
}

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/*
* Copyright (c) 2001-2003 Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Adam Dunkels <adam@sics.se>
*
*/
#ifndef __MINTAPIF_H__
#define __MINTAPIF_H__
#include "lwip/netif.h"
enum mintapif_signal {
MINTAPIF_TIMEOUT,
MINTAPIF_PACKET
};
void mintapif_init(struct netif *netif);
enum mintapif_signal mintapif_wait(struct netif *netif, u16_t time);
#endif /* __MINTAPIF_H__ */

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#
# Copyright (c) 2001, 2002 Swedish Institute of Computer Science.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without modification,
# are permitted provided that the following conditions are met:
#
# 1. Redistributions of source code must retain the above copyright notice,
# this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright notice,
# this list of conditions and the following disclaimer in the documentation
# and/or other materials provided with the distribution.
# 3. The name of the author may not be used to endorse or promote products
# derived from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
# WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
# SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
# OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
# IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
# OF SUCH DAMAGE.
#
# This file is part of the lwIP TCP/IP stack.
#
# Author: Adam Dunkels <adam@sics.se>
#
CCDEP=gcc
CC=gcc
CFLAGS=-g -Wall -DIPv4 -DLWIP_DEBUG -pedantic
LDFLAGS=-lpcap
CONTRIBDIR=../../../..
LWIPARCH=$(CONTRIBDIR)/ports/unix
ARFLAGS=rs
#Set this to where you have the lwip core module checked out from CVS
#default assumes it's a dir named lwip at the same level as the contrib module
LWIPDIR=$(CONTRIBDIR)/../lwip/src
CFLAGS:=$(CFLAGS) \
-I$(LWIPDIR)/include -I$(LWIPARCH)/include -I$(LWIPDIR)/include/ipv4 \
-Iapps -I.
# COREFILES, CORE4FILES: The minimum set of files needed for lwIP.
COREFILES=$(LWIPDIR)/core/mem.c $(LWIPDIR)/core/memp.c $(LWIPDIR)/core/netif.c \
$(LWIPDIR)/core/pbuf.c $(LWIPDIR)/core/stats.c $(LWIPDIR)/core/sys.c \
$(LWIPDIR)/core/tcp.c $(LWIPDIR)/core/tcp_in.c \
$(LWIPDIR)/core/tcp_out.c $(LWIPDIR)/core/udp.c
CORE4FILES=$(wildcard $(LWIPDIR)/core/ipv4/*.c) $(LWIPDIR)/core/inet.c
# APIFILES: The files which implement the sequential and socket APIs.
APIFILES=$(LWIPDIR)/api/api_lib.c $(LWIPDIR)/api/api_msg.c $(LWIPDIR)/api/tcpip.c \
$(LWIPDIR)/api/err.c $(LWIPDIR)/api/sockets.c
# NETIFFILES: Files implementing various generic network interface functions.'
NETIFFILES=$(LWIPDIR)/netif/loopif.c \
$(LWIPDIR)/netif/etharp.c $(LWIPDIR)/netif/slipif.c
# ARCHFILES: Archiecture specific files.
ARCHFILES=$(wildcard $(LWIPARCH)/*.c $(LWIPARCH)/netif/*.c)
# APPFILES: Applications.
APPFILES=apps/fs.c apps/httpd.c \
apps/udpecho.c apps/tcpecho.c \
apps/shell.c
# LWIPFILES: All the above.
LWIPFILES=$(COREFILES) $(CORE4FILES) $(APIFILES) $(NETIFFILES) $(ARCHFILES)
LWIPFILESW=$(wildcard $(LWIPFILES))
LWIPOBJS=$(notdir $(LWIPFILESW:.c=.o))
LWIPLIB=liblwip4.a
APPLIB=liblwipapps.a
APPOBJS=$(notdir $(APPFILES:.c=.o))
%.o:
$(CC) $(CFLAGS) -c $(<:.o=.c)
all ipv4 compile: simhost
.PHONY: all
clean:
rm -f *.o $(LWIPLIB) $(APPLIB) simhost simnode simrouter *.s .depend* *.core core
depend dep: .depend
include .depend
$(APPLIB): $(APPOBJS)
$(AR) $(ARFLAGS) $(APPLIB) $?
$(LWIPLIB): $(LWIPOBJS)
$(AR) $(ARFLAGS) $(LWIPLIB) $?
.depend: simhost.c simnode.c simrouter.c $(LWIPFILES) $(APPFILES)
$(CCDEP) $(CFLAGS) -MM $^ > .depend || rm -f .depend
simhost: .depend $(LWIPLIB) $(APPLIB) simhost.o $(APPFILES)
$(CC) $(CFLAGS) $(LDFLAGS) -pthread -o simhost simhost.o $(APPLIB) $(LWIPLIB)
simrouter: .depend $(LWIPLIB) $(APPLIB) simrouter.o
$(CC) $(CFLAGS) $(LDFLAGS) -pthread -o simrouter simrouter.o $(APPLIB) $(LWIPLIB)
simnode: .depend $(LWIPLIB) $(APPLIB) simnode.o
$(CC) $(CFLAGS) $(LDFLAGS) -pthread -o simnode simnode.o $(APPLIB) $(LWIPLIB)

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This directory contains an example of how a project using lwIP might
look. It is also the development platform of lwIP, since it can be run
as a user process under FreeBSD or Linux. There are also a number of
example applications (including a simple web server) in the apps/
directory.
Some short instructions on how to build and run lwIP on a FreeBSD or
Linux host. For FreeBSD, the tap interface must be enabled in the
kernel configuration and the kernel must be recompiled. The tap
interface is enabled by adding the line "pseudo-device tap" in the
kernel configuration. See Chapter 9 in the FreeBSD handbook for
instructions on how to build a custom FreeBSD kernel.
* Compile the code. This must be done by using GNU Make. Under
FreeBSD, GNU Make can be found in the ports collection under
/usr/ports/devel/gmake (type "make install distclean" to
install). Under Linux, GNU Make is the default "make".
> gmake (FreeBSD)
> make (Linux)
* The compilation process produces the executable file "simhost". To
run this, you have to be root.
> su (Type password for the root account)
# ./simhost
* The lwIP TCP/IP stack is now running with IP address
192.168.0.2. Some things that you can try:
To see the packets that are going to and from the lwIP stack, run
tcpdump:
# tcpdump -l -n -i tap0
You can ping lwIP:
> ping 192.168.0.2
For a telnet shell, run:
> telnet 192.168.0.2
Finally, "simhost" also includes a simple web server; the URL is
of course http://192.168.0.2/.

57
ports/unix/proj/unixsim/apps/fs.c Normal file
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/*
* Copyright (c) 2001-2003 Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Adam Dunkels <adam@sics.se>
*
*/
#include "lwip/def.h"
#include "fs.h"
#include "fsdata.h"
#include "fsdata.c"
/*-----------------------------------------------------------------------------------*/
/*-----------------------------------------------------------------------------------*/
int
fs_open(char *name, struct fs_file *file)
{
struct fsdata_file_noconst *f;
for(f = (struct fsdata_file_noconst *)FS_ROOT;
f != NULL;
f = (struct fsdata_file_noconst *)f->next) {
if(!strcmp(name, (char *)f->name)) {
file->data = (char *)f->data;
file->len = f->len;
return 1;
}
}
return 0;
}
/*-----------------------------------------------------------------------------------*/

44
ports/unix/proj/unixsim/apps/fs.h Normal file
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@ -0,0 +1,44 @@
/*
* Copyright (c) 2001-2003 Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Adam Dunkels <adam@sics.se>
*
*/
#ifndef __FS_H__
#define __FS_H__
struct fs_file {
char *data;
int len;
};
/* file must be allocated by caller and will be filled in
by the function. */
int fs_open(char *name, struct fs_file *file);
#endif /* __FS_H__ */

21
ports/unix/proj/unixsim/apps/fs/404.html Normal file
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<html>
<head><title>lwIP - A Lightweight TCP/IP Stack</title></head>
<body bgcolor="white" text="black">
<table width="100%">
<tr valign="top"><td width="80">
<a href="http://www.sics.se/"><img src="img/sics.gif"
border="0" alt="SICS logo" title="SICS logo"></a>
</td><td width="500">
<h1>lwIP - A Lightweight TCP/IP Stack</h1>
<h2>404 - Page not found</h2>
<p>
Sorry, the page you are requesting was not found on this
server.
</p>
</td><td>
&nbsp;
</td></tr>
</table>
</body>
</html>

BIN
ports/unix/proj/unixsim/apps/fs/img/sics.gif Normal file
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Binary file not shown.
Side by Side

After

Width:  |  Height:  |  Size: 724 B

44
ports/unix/proj/unixsim/apps/fs/index.html Normal file
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@ -0,0 +1,44 @@
<html>
<head><title>lwIP - A Lightweight TCP/IP Stack</title></head>
<body bgcolor="white" text="black">
<table width="100%">
<tr valign="top"><td width="80">
<a href="http://www.sics.se/"><img src="img/sics.gif"
border="0" alt="SICS logo" title="SICS logo"></a>
</td><td width="500">
<h1>lwIP - A Lightweight TCP/IP Stack</h1>
<p>
The web page you are watching was served by a simple web
server running on top of the lightweight TCP/IP stack <a
href="http://www.sics.se/~adam/lwip/">lwIP</a>.
</p>
<p>
lwIP is an open source implementation of the TCP/IP
protocol suite that was originally written by Adam Dunkels
of the Swedish Institute of Computer Science but now is
being actively developed by a team of developers
distributed world-wide. Since it's release, lwIP has
spurred a lot of interest and has been ported to several
platforms and operating systems. lwIP can be used either
with or without an underlying OS.
</p>
<p>
The focus of the lwIP TCP/IP implementation is to reduce
the RAM usage while still having a full scale TCP. This
makes lwIP suitable for use in embedded systems with tens
of kilobytes of free RAM and room for around 40 kilobytes
of code ROM.
</p>
<p>
More information about lwIP can be found at the lwIP
homepage at <a
href="http://www.sics.se/~adam/lwip/">http://www.sics.se/~adam/lwip/</a>.
</p>
</td><td>
&nbsp;
</td></tr>
</table>
</body>
</html>

334
ports/unix/proj/unixsim/apps/fsdata.c Normal file
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@ -0,0 +1,334 @@
static const unsigned char data_img_sics_gif[] = {
/* /img/sics.gif */
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static const unsigned char data_404_html[] = {
/* /404.html */
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const struct fsdata_file file_img_sics_gif[] = {{NULL, data_img_sics_gif, data_img_sics_gif + 14, sizeof(data_img_sics_gif) - 14}};
const struct fsdata_file file_404_html[] = {{file_img_sics_gif, data_404_html, data_404_html + 10, sizeof(data_404_html) - 10}};
const struct fsdata_file file_index_html[] = {{file_404_html, data_index_html, data_index_html + 12, sizeof(data_index_html) - 12}};
#define FS_ROOT file_index_html
#define FS_NUMFILES 3

49
ports/unix/proj/unixsim/apps/fsdata.h Normal file
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@ -0,0 +1,49 @@
/*
* Copyright (c) 2001-2003 Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Adam Dunkels <adam@sics.se>
*
*/
#ifndef __FSDATA_H__
#define __FSDATA_H__
struct fsdata_file {
const struct fsdata_file *next;
const unsigned char *name;
const unsigned char *data;
const int len;
};
struct fsdata_file_noconst {
struct fsdata_file *next;
unsigned char *name;
unsigned char *data;
int len;
};
#endif /* __FSDATA_H__ */

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/*
* Copyright (c) 2001-2003 Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Adam Dunkels <adam@sics.se>
*
*/
#include "lwip/debug.h"
#include "lwip/stats.h"
#include "httpd.h"
#include "lwip/tcp.h"
#include "fs.h"
struct http_state {
char *file;
u32_t left;
u8_t retries;
};
/*-----------------------------------------------------------------------------------*/
static void
conn_err(void *arg, err_t err)
{
struct http_state *hs;
hs = arg;
mem_free(hs);
}
/*-----------------------------------------------------------------------------------*/
static void
close_conn(struct tcp_pcb *pcb, struct http_state *hs)
{
tcp_arg(pcb, NULL);
tcp_sent(pcb, NULL);
tcp_recv(pcb, NULL);
mem_free(hs);
tcp_close(pcb);
}
/*-----------------------------------------------------------------------------------*/
static void
send_data(struct tcp_pcb *pcb, struct http_state *hs)
{
err_t err;
u16_t len;
/* We cannot send more data than space avaliable in the send
buffer. */
if(tcp_sndbuf(pcb) < hs->left) {
len = tcp_sndbuf(pcb);
} else {
len = hs->left;
}
do {
err = tcp_write(pcb, hs->file, len, 0);
if(err == ERR_MEM) {
len /= 2;
}
} while(err == ERR_MEM && len > 1);
if(err == ERR_OK) {
hs->file += len;
hs->left -= len;
/* } else {
printf("send_data: error %s len %d %d\n", lwip_strerr(err), len, tcp_sndbuf(pcb));*/
}
}
/*-----------------------------------------------------------------------------------*/
static err_t
http_poll(void *arg, struct tcp_pcb *pcb)
{
struct http_state *hs;
hs = arg;
/* printf("Polll\n");*/
if(hs == NULL) {
/* printf("Null, close\n");*/
tcp_abort(pcb);
return ERR_ABRT;
} else {
++hs->retries;
if(hs->retries == 4) {
tcp_abort(pcb);
return ERR_ABRT;
}
send_data(pcb, hs);
}
return ERR_OK;
}
/*-----------------------------------------------------------------------------------*/
static err_t
http_sent(void *arg, struct tcp_pcb *pcb, u16_t len)
{
struct http_state *hs;
hs = arg;
hs->retries = 0;
if(hs->left > 0) {
send_data(pcb, hs);
} else {
close_conn(pcb, hs);
}
return ERR_OK;
}
/*-----------------------------------------------------------------------------------*/
static err_t
http_recv(void *arg, struct tcp_pcb *pcb, struct pbuf *p, err_t err)
{
int i;
char *data;
struct fs_file file;
struct http_state *hs;
hs = arg;
if(err == ERR_OK && p != NULL) {
/* Inform TCP that we have taken the data. */
tcp_recved(pcb, p->tot_len);
if(hs->file == NULL) {
data = p->payload;
if(strncmp(data, "GET ", 4) == 0) {
for(i = 0; i < 40; i++) {
if(((char *)data + 4)[i] == ' ' ||
((char *)data + 4)[i] == '\r' ||
((char *)data + 4)[i] == '\n') {
((char *)data + 4)[i] = 0;
}
}
if(*(char *)(data + 4) == '/' &&
*(char *)(data + 5) == 0) {
fs_open("/index.html", &file);
} else if(!fs_open((char *)data + 4, &file)) {
fs_open("/404.html", &file);
}
hs->file = file.data;
hs->left = file.len;
/* printf("data %p len %ld\n", hs->file, hs->left);*/
pbuf_free(p);
send_data(pcb, hs);
/* Tell TCP that we wish be to informed of data that has been
successfully sent by a call to the http_sent() function. */
tcp_sent(pcb, http_sent);
} else {
pbuf_free(p);
close_conn(pcb, hs);
}
} else {
pbuf_free(p);
}
}
if(err == ERR_OK && p == NULL) {
close_conn(pcb, hs);
}
return ERR_OK;
}
/*-----------------------------------------------------------------------------------*/
static err_t
http_accept(void *arg, struct tcp_pcb *pcb, err_t err)
{
struct http_state *hs;
tcp_setprio(pcb, TCP_PRIO_MIN);
/* Allocate memory for the structure that holds the state of the
connection. */
hs = mem_malloc(sizeof(struct http_state));
if(hs == NULL) {
printf("http_accept: Out of memory\n");
return ERR_MEM;
}
/* Initialize the structure. */
hs->file = NULL;
hs->left = 0;
hs->retries = 0;
/* Tell TCP that this is the structure we wish to be passed for our
callbacks. */
tcp_arg(pcb, hs);
/* Tell TCP that we wish to be informed of incoming data by a call
to the http_recv() function. */
tcp_recv(pcb, http_recv);
tcp_err(pcb, conn_err);
tcp_poll(pcb, http_poll, 4);
return ERR_OK;
}
/*-----------------------------------------------------------------------------------*/
void
httpd_init(void)
{
struct tcp_pcb *pcb;
pcb = tcp_new();
tcp_bind(pcb, IP_ADDR_ANY, 80);
pcb = tcp_listen(pcb);
tcp_accept(pcb, http_accept);
}
/*-----------------------------------------------------------------------------------*/

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/*
* Copyright (c) 2001-2003 Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Adam Dunkels <adam@sics.se>
*
*/
#ifndef __HTTPD_H__
#define __HTTPD_H__
void httpd_init(void);
#endif /* __HTTPD_H__ */

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#!/usr/bin/perl
open(OUTPUT, "> fsdata.c");
chdir("fs");
open(FILES, "find . -type f |");
while($file = <FILES>) {
# Do not include files in CVS directories nor backup files.
if($file =~ /(CVS|~)/) {
next;
}
chop($file);
open(HEADER, "> /tmp/header") || die $!;
if($file =~ /404/) {
print(HEADER "HTTP/1.0 404 File not found\r\n");
} else {
print(HEADER "HTTP/1.0 200 OK\r\n");
}
print(HEADER "Server: lwIP/pre-0.6 (http://www.sics.se/~adam/lwip/)\r\n");
if($file =~ /\.html$/) {
print(HEADER "Content-type: text/html\r\n");
} elsif($file =~ /\.gif$/) {
print(HEADER "Content-type: image/gif\r\n");
} elsif($file =~ /\.png$/) {
print(HEADER "Content-type: image/png\r\n");
} elsif($file =~ /\.jpg$/) {
print(HEADER "Content-type: image/jpeg\r\n");
} elsif($file =~ /\.class$/) {
print(HEADER "Content-type: application/octet-stream\r\n");
} elsif($file =~ /\.ram$/) {
print(HEADER "Content-type: audio/x-pn-realaudio\r\n");
} else {
print(HEADER "Content-type: text/plain\r\n");
}
print(HEADER "\r\n");
close(HEADER);
unless($file =~ /\.plain$/ || $file =~ /cgi/) {
system("cat /tmp/header $file > /tmp/file");
} else {
system("cp $file /tmp/file");
}
open(FILE, "/tmp/file");
unlink("/tmp/file");
unlink("/tmp/header");
$file =~ s/\.//;
$fvar = $file;
$fvar =~ s-/-_-g;
$fvar =~ s-\.-_-g;
print(OUTPUT "static const unsigned char data".$fvar."[] = {\n");
print(OUTPUT "\t/* $file */\n\t");
for($j = 0; $j < length($file); $j++) {
printf(OUTPUT "%#02x, ", unpack("C", substr($file, $j, 1)));
}
printf(OUTPUT "0,\n");
$i = 0;
while(read(FILE, $data, 1)) {
if($i == 0) {
print(OUTPUT "\t");
}
printf(OUTPUT "%#02x, ", unpack("C", $data));
$i++;
if($i == 10) {
print(OUTPUT "\n");
$i = 0;
}
}
print(OUTPUT "};\n\n");
close(FILE);
push(@fvars, $fvar);
push(@files, $file);
}
for($i = 0; $i < @fvars; $i++) {
$file = $files[$i];
$fvar = $fvars[$i];
if($i == 0) {
$prevfile = "NULL";
} else {
$prevfile = "file" . $fvars[$i - 1];
}
print(OUTPUT "const struct fsdata_file file".$fvar."[] = {{$prevfile, data$fvar, ");
print(OUTPUT "data$fvar + ". (length($file) + 1) .", ");
print(OUTPUT "sizeof(data$fvar) - ". (length($file) + 1) ."}};\n\n");
}
print(OUTPUT "#define FS_ROOT file$fvars[$i - 1]\n\n");
print(OUTPUT "#define FS_NUMFILES $i\n");

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37
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/*
* Copyright (c) 2001-2003 Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Adam Dunkels <adam@sics.se>
*
*/
#ifndef __SHELL_H__
#define __SHELL_H__
void shell_init(void);
#endif /* __SHELL_H__ */

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/*
* Copyright (c) 2001-2003 Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Adam Dunkels <adam@sics.se>
*
*/
#include "lwip/sys.h"
#include "lwip/api.h"
/*-----------------------------------------------------------------------------------*/
static void
tcpecho_thread(void *arg)
{
struct netconn *conn, *newconn;
err_t err;
/* Create a new connection identifier. */
conn = netconn_new(NETCONN_TCP);
/* Bind connection to well known port number 7. */
netconn_bind(conn, NULL, 7);
/* Tell connection to go into listening mode. */
netconn_listen(conn);
while(1) {
/* Grab new connection. */
newconn = netconn_accept(conn);
/*printf("accepted new connection %p\n", newconn);*/
/* Process the new connection. */
if(newconn != NULL) {
struct netbuf *buf;
void *data;
u16_t len;
while((buf = netconn_recv(newconn)) != NULL) {
/*printf("Recved\n");*/
do {
netbuf_data(buf, &data, &len);
err = netconn_write(newconn, data, len, NETCONN_COPY);
if(err != ERR_OK) {
/* printf("tcpecho: netconn_write: error \"%s\"\n", lwip_strerr(err));*/
}
} while(netbuf_next(buf) >= 0);
netbuf_delete(buf);
}
/*printf("Got EOF, looping\n");*/
/* Close connection and discard connection identifier. */
netconn_delete(newconn);
}
}
}
/*-----------------------------------------------------------------------------------*/
void
tcpecho_init(void)
{
sys_thread_new(tcpecho_thread, NULL);
}
/*-----------------------------------------------------------------------------------*/

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/*
* Copyright (c) 2001-2003 Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Adam Dunkels <adam@sics.se>
*
*/
#ifndef __TCPECHO_H__
#define __TCPECHO_H__
void tcpecho_init(void);
#endif /* __TCPECHO_H__ */

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/*
* Copyright (c) 2001-2003 Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Adam Dunkels <adam@sics.se>
*
*/
#include "lwip/api.h"
#include "lwip/sys.h"
/*-----------------------------------------------------------------------------------*/
void
udpecho_thread(void *arg)
{
static struct netconn *conn;
static struct netbuf *buf;
static struct ip_addr *addr;
static unsigned short port;
char buffer[4096];
conn = netconn_new(NETCONN_UDP);
netconn_bind(conn, NULL, 7);
while(1) {
buf = netconn_recv(conn);
addr = netbuf_fromaddr(buf);
port = netbuf_fromport(buf);
netconn_connect(conn, addr, port);
netbuf_copy(buf, buffer, buf->p->tot_len);
buffer[buf->p->tot_len] = '\0';
netconn_send(conn, buf);
printf("got %s\n", buffer);
netbuf_delete(buf);
}
}
/*-----------------------------------------------------------------------------------*/
void
udpecho_init(void)
{
sys_thread_new(udpecho_thread, NULL);
}

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/*
* Copyright (c) 2001-2003 Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Adam Dunkels <adam@sics.se>
*
*/
#ifndef __UDPECHO_H__
#define __UDPECHO_H__
void udpecho_init(void);
#endif /* __UDPECHO_H__ */

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/*
* Copyright (c) 2001-2003 Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Adam Dunkels <adam@sics.se>
*
*/
#ifndef __LWIPOPTS_H__
#define __LWIPOPTS_H__
/* ---------- Memory options ---------- */
/* MEM_ALIGNMENT: should be set to the alignment of the CPU for which
lwIP is compiled. 4 byte alignment -> define MEM_ALIGNMENT to 4, 2
byte alignment -> define MEM_ALIGNMENT to 2. */
#define MEM_ALIGNMENT 1
/* MEM_SIZE: the size of the heap memory. If the application will send
a lot of data that needs to be copied, this should be set high. */
#define MEM_SIZE 1600
/* MEMP_NUM_PBUF: the number of memp struct pbufs. If the application
sends a lot of data out of ROM (or other static memory), this
should be set high. */
#define MEMP_NUM_PBUF 16
/* MEMP_NUM_UDP_PCB: the number of UDP protocol control blocks. One
per active UDP "connection". */
#define MEMP_NUM_UDP_PCB 4
/* MEMP_NUM_TCP_PCB: the number of simulatenously active TCP
connections. */
#define MEMP_NUM_TCP_PCB 5
/* MEMP_NUM_TCP_PCB_LISTEN: the number of listening TCP
connections. */
#define MEMP_NUM_TCP_PCB_LISTEN 8
/* MEMP_NUM_TCP_SEG: the number of simultaneously queued TCP
segments. */
#define MEMP_NUM_TCP_SEG 16
/* MEMP_NUM_SYS_TIMEOUT: the number of simulateously active
timeouts. */
#define MEMP_NUM_SYS_TIMEOUT 3
/* The following four are used only with the sequential API and can be
set to 0 if the application only will use the raw API. */
/* MEMP_NUM_NETBUF: the number of struct netbufs. */
#define MEMP_NUM_NETBUF 2
/* MEMP_NUM_NETCONN: the number of struct netconns. */
#define MEMP_NUM_NETCONN 4
/* MEMP_NUM_APIMSG: the number of struct api_msg, used for
communication between the TCP/IP stack and the sequential
programs. */
#define MEMP_NUM_API_MSG 8
/* MEMP_NUM_TCPIPMSG: the number of struct tcpip_msg, which is used
for sequential API communication and incoming packets. Used in
src/api/tcpip.c. */
#define MEMP_NUM_TCPIP_MSG 8
/* These two control is reclaimer functions should be compiled
in. Should always be turned on (1). */
#define MEM_RECLAIM 1
#define MEMP_RECLAIM 1
/* ---------- Pbuf options ---------- */
/* PBUF_POOL_SIZE: the number of buffers in the pbuf pool. */
#define PBUF_POOL_SIZE 100
/* PBUF_POOL_BUFSIZE: the size of each pbuf in the pbuf pool. */
#define PBUF_POOL_BUFSIZE 128
/* PBUF_LINK_HLEN: the number of bytes that should be allocated for a
link level header. */
#define PBUF_LINK_HLEN 16
/* ---------- TCP options ---------- */
#define LWIP_TCP 1
#define TCP_TTL 255
/* Controls if TCP should queue segments that arrive out of
order. Define to 0 if your device is low on memory. */
#define TCP_QUEUE_OOSEQ 1
/* TCP Maximum segment size. */
#define TCP_MSS 128
/* TCP sender buffer space (bytes). */
#define TCP_SND_BUF 256
/* TCP sender buffer space (pbufs). This must be at least = 2 *
TCP_SND_BUF/TCP_MSS for things to work. */
#define TCP_SND_QUEUELEN 4 * TCP_SND_BUF/TCP_MSS
/* TCP receive window. */
#define TCP_WND 1024
/* Maximum number of retransmissions of data segments. */
#define TCP_MAXRTX 12
/* Maximum number of retransmissions of SYN segments. */
#define TCP_SYNMAXRTX 4
/* ---------- ARP options ---------- */
#define ARP_TABLE_SIZE 10
#define ARP_QUEUEING 1
/**
* - If enabled, cache entries are generated for every kind of ARP traffic or
* broadcast IP traffic. This enhances behaviour for sending to a dynamic set
* of hosts, for example if acting as a gateway.
* - If disabled, cache entries are generated only for IP destination addresses
* in use by lwIP or applications. This enhances performance if sending to a small,
* reasonably static number of hosts. Typically for embedded devices.
*/
#define ETHARP_ALWAYS_INSERT 1
/* ---------- IP options ---------- */
/* Define IP_FORWARD to 1 if you wish to have the ability to forward
IP packets across network interfaces. If you are going to run lwIP
on a device with only one network interface, define this to 0. */
#define IP_FORWARD 1
/* If defined to 1, IP options are allowed (but not parsed). If
defined to 0, all packets with IP options are dropped. */
#define IP_OPTIONS 1
/* IP reassembly and segmentation.These are orthogonal even
* if they both deal with IP fragments */
#define IP_REASSEMBLY 1
#define IP_FRAG 1
/* ---------- ICMP options ---------- */
#define ICMP_TTL 255
/* ---------- DHCP options ---------- */
/* Define LWIP_DHCP to 1 if you want DHCP configuration of
interfaces. DHCP is not implemented in lwIP 0.5.1, however, so
turning this on does currently not work. */
#define LWIP_DHCP 0
/* 1 if you want to do an ARP check on the offered address
(recommended). */
#define DHCP_DOES_ARP_CHECK 1
/* ---------- UDP options ---------- */
#define LWIP_UDP 1
#define UDP_TTL 255
/* ---------- Statistics options ---------- */
#define STATS
#ifdef STATS
#define LINK_STATS
#define IP_STATS
#define ICMP_STATS
#define UDP_STATS
#define TCP_STATS
#define MEM_STATS
#define MEMP_STATS
#define PBUF_STATS
#define SYS_STATS
#endif /* STATS */
#endif /* __LWIPOPTS_H__ */

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/*
* Copyright (c) 2001-2003 Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Adam Dunkels <adam@sics.se>
*
*/
#include "lwip/debug.h"
#include <unistd.h>
#include "lwip/opt.h"
#include "lwip/mem.h"
#include "lwip/memp.h"
#include "lwip/sys.h"
#include "lwip/stats.h"
#include "lwip/tcpip.h"
#include "netif/tapif.h"
#include "netif/tunif.h"
#include "netif/unixif.h"
#include "netif/dropif.h"
#include "netif/pcapif.h"
#include "netif/loopif.h"
#include "netif/tcpdump.h"
#include "lwip/ip_addr.h"
#include "arch/perf.h"
#include "httpd.h"
#include "udpecho.h"
#include "tcpecho.h"
#include "shell.h"
/*-----------------------------------------------------------------------------------*/
static void
tcp_timeout(void *data)
{
#if TCP_DEBUG
tcp_debug_print_pcbs();
#endif /* TCP_DEBUG */
sys_timeout(5000, tcp_timeout, NULL);
}
/*-----------------------------------------------------------------------------------*/
static void
tcpip_init_done(void *arg)
{
sys_sem_t *sem;
sem = arg;
sys_sem_signal(*sem);
}
/*-----------------------------------------------------------------------------------*/
static void
main_thread(void *arg)
{
struct ip_addr ipaddr, netmask, gw;
sys_sem_t sem;
netif_init();
sem = sys_sem_new(0);
tcpip_init(tcpip_init_done, &sem);
sys_sem_wait(sem);
sys_sem_free(sem);
printf("TCP/IP initialized.\n");
#if LWIP_DHCP
{
struct netif *netif;
IP4_ADDR(&gw, 0,0,0,0);
IP4_ADDR(&ipaddr, 0,0,0,0);
IP4_ADDR(&netmask, 0,0,0,0);
netif = netif_add(&ipaddr, &netmask, &gw, tapif_init,
tcpip_input);
netif_set_default(netif);
dhcp_init();
dhcp_start(netif);
}
#else
IP4_ADDR(&gw, 192,168,0,1);
IP4_ADDR(&ipaddr, 192,168,0,2);
IP4_ADDR(&netmask, 255,255,255,0);
/* netif_set_default(netif_add(&ipaddr, &netmask, &gw, tapif_init,
tcpip_input));*/
netif_set_default(netif_add(&ipaddr, &netmask, &gw, tapif_init,
tcpip_input));
#endif
/* Only used for testing purposes: */
/* IP4_ADDR(&gw, 193,10,66,1);
IP4_ADDR(&ipaddr, 193,10,66,107);
IP4_ADDR(&netmask, 255,255,252,0);
netif_add(&ipaddr, &netmask, &gw, pcapif_init,
tcpip_input);*/
IP4_ADDR(&gw, 127,0,0,1);
IP4_ADDR(&ipaddr, 127,0,0,1);
IP4_ADDR(&netmask, 255,0,0,0);
netif_add(&ipaddr, &netmask, &gw, loopif_init,
tcpip_input);
tcpecho_init();
shell_init();
httpd_init();
udpecho_init();
printf("Applications started.\n");
/* sys_timeout(5000, tcp_timeout, NULL);*/
#ifdef MEM_PERF
mem_perf_init("/tmp/memstats.client");
#endif /* MEM_PERF */
/* Block for ever. */
sem = sys_sem_new(0);
sys_sem_wait(sem);
}
/*-----------------------------------------------------------------------------------*/
int
main(int argc, char **argv)
{
#ifdef PERF
perf_init("/tmp/simhost.perf");
#endif /* PERF */
#ifdef STATS
stats_init();
#endif /* STATS */
sys_init();
mem_init();
memp_init();
pbuf_init();
tcpdump_init();
printf("System initialized.\n");
sys_thread_new((void *)(main_thread), NULL);
pause();
return 0;
}
/*-----------------------------------------------------------------------------------*/

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/*
* Copyright (c) 2001-2003 Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Adam Dunkels <adam@sics.se>
*
*/
#include "lwip/debug.h"
#include <unistd.h>
#include "lwip/mem.h"
#include "lwip/memp.h"
#include "lwip/sys.h"
#include "lwip/stats.h"
#include "lwip/tcpip.h"
#include "netif/unixif.h"
#include "netif/dropif.h"
#include "netif/loopif.h"
#include "netif/tcpdump.h"
#include "lwip/ip_addr.h"
#include "arch/perf.h"
#include "httpd.h"
#include "udpecho.h"
#include "tcpecho.h"
#include "shell.h"
/*-----------------------------------------------------------------------------------*/
static void
tcp_timeout(void *data)
{
#if TCP_DEBUG
tcp_debug_print_pcbs();
#endif /* TCP_DEBUG */
sys_timeout(5000, tcp_timeout, NULL);
}
/*-----------------------------------------------------------------------------------*/
static void
tcpip_init_done(void *arg)
{
sys_sem_t *sem;
sem = arg;
sys_sem_signal(*sem);
}
/*-----------------------------------------------------------------------------------*/
static void
main_thread(void *arg)
{
struct ip_addr ipaddr, netmask, gw;
sys_sem_t sem;
IP4_ADDR(&gw, 192,168,1,1);
IP4_ADDR(&ipaddr, 192,168,1,2);
IP4_ADDR(&netmask, 255,255,255,0);
netif_set_default(netif_add(&ipaddr, &netmask, &gw, unixif_init_client,
tcpip_input));
/* netif_set_default(netif_add(&ipaddr, &netmask, &gw, sioslipif_init1,
tcpip_input)); */
sem = sys_sem_new(0);
tcpip_init(tcpip_init_done, &sem);
sys_sem_wait(sem);
sys_sem_free(sem);
printf("TCP/IP initialized.\n");
tcpecho_init();
shell_init();
httpd_init();
udpecho_init();
printf("Applications started.\n");
sys_timeout(5000, tcp_timeout, NULL);
#ifdef MEM_PERF
mem_perf_init("/tmp/memstats.client");
#endif /* MEM_PERF */
sem = sys_sem_new(0);
sys_sem_wait(sem);
}
/*-----------------------------------------------------------------------------------*/
int
main(int argc, char **argv)
{
#ifdef PERF
perf_init("/tmp/client.perf");
#endif /* PERF */
#ifdef STATS
stats_init();
#endif /* STATS */
sys_init();
mem_init();
memp_init();
pbuf_init();
tcpdump_init();
printf("System initialized.\n");
sys_thread_new((void *)(main_thread), NULL);
pause();
return 0;
}
/*-----------------------------------------------------------------------------------*/

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/*
* Copyright (c) 2001-2003 Swedish Institute of Computer Science.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
* OF SUCH DAMAGE.
*
* This file is part of the lwIP TCP/IP stack.
*
* Author: Adam Dunkels <adam@sics.se>
*
*/
#include "lwip/debug.h"
#include <unistd.h>
#include "lwip/mem.h"
#include "lwip/memp.h"
#include "lwip/sys.h"
#include "lwip/stats.h"
#include "lwip/tcpip.h"
#include "netif/tapif.h"
#include "netif/unixif.h"
#include "netif/dropif.h"
#include "netif/loopif.h"
#include "netif/tcpdump.h"
#include "lwip/ip_addr.h"
#include "arch/perf.h"
#include "httpd.h"
#include "udpecho.h"
#include "tcpecho.h"
#include "shell.h"
/*-----------------------------------------------------------------------------------*/
static void
tcp_timeout(void *data)
{
#if TCP_DEBUG
tcp_debug_print_pcbs();
#endif /* TCP_DEBUG */
sys_timeout(5000, tcp_timeout, NULL);
}
/*-----------------------------------------------------------------------------------*/
static void
tcpip_init_done(void *arg)
{
sys_sem_t *sem;
sem = arg;
sys_sem_signal(*sem);
}
/*-----------------------------------------------------------------------------------*/
static void
main_thread(void *arg)
{
struct ip_addr ipaddr, netmask, gw;
sys_sem_t sem;
IP4_ADDR(&gw, 192,168,0,1);
IP4_ADDR(&ipaddr, 192,168,0,2);
IP4_ADDR(&netmask, 255,255,255,0);
netif_set_default(netif_add(&ipaddr, &netmask, &gw, tapif_init,
tcpip_input));
IP4_ADDR(&gw, 192,168,1,1);
IP4_ADDR(&ipaddr, 192,168,1,1);
IP4_ADDR(&netmask, 255,255,255,0);
netif_set_default(netif_add(&ipaddr, &netmask, &gw, unixif_init_server,
tcpip_input));
system("route add 192.168.1.1 192.168.0.2");
system("route add 192.168.1.2 192.168.0.2");
/*netif_set_default(netif_add(&ipaddr, &netmask, &gw, sioslipif_init1,
tcpip_input)); */
sem = sys_sem_new(0);
tcpip_init(tcpip_init_done, &sem);
sys_sem_wait(sem);
sys_sem_free(sem);
printf("TCP/IP initialized.\n");
tcpecho_init();
shell_init();
httpd_init();
udpecho_init();
printf("Applications started.\n");
sys_timeout(5000, tcp_timeout, NULL);
#ifdef MEM_PERF
mem_perf_init("/tmp/memstats.client");
#endif /* MEM_PERF */
sem = sys_sem_new(0);
sys_sem_wait(sem);
}
/*-----------------------------------------------------------------------------------*/
int
main(int argc, char **argv)
{
#ifdef PERF
perf_init("/tmp/client.perf");
#endif /* PERF */
#ifdef STATS
stats_init();
#endif /* STATS */
sys_init();
mem_init();
memp_init();
pbuf_init();
tcpdump_init();
printf("System initialized.\n");
sys_thread_new((void *)(main_thread), NULL);
pause();
return 0;
}
/*-----------------------------------------------------------------------------------*/