mirror of
https://github.com/oliverschmidt/contiki.git
synced 2024-12-24 07:29:42 +00:00
290 lines
8.1 KiB
C
290 lines
8.1 KiB
C
/*
|
|
* Copyright (c) 2008, 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. Neither the name of the Institute nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``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 INSTITUTE OR CONTRIBUTORS 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 Contiki operating system.
|
|
*
|
|
* $Id: shell-file.c,v 1.14 2010/04/12 13:21:58 nvt-se Exp $
|
|
*/
|
|
|
|
/**
|
|
* \file
|
|
* File-related shell commands
|
|
* \author
|
|
* Adam Dunkels <adam@sics.se>
|
|
*/
|
|
|
|
#include "contiki.h"
|
|
#include "shell-file.h"
|
|
#include "cfs/cfs.h"
|
|
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
|
|
#define MAX_FILENAME_LEN 40
|
|
#define MAX_BLOCKSIZE 40
|
|
|
|
/*---------------------------------------------------------------------------*/
|
|
PROCESS(shell_ls_process, "ls");
|
|
SHELL_COMMAND(ls_command,
|
|
"ls",
|
|
"ls: list files",
|
|
&shell_ls_process);
|
|
PROCESS(shell_append_process, "append");
|
|
SHELL_COMMAND(append_command,
|
|
"append",
|
|
"append <filename>: append to file",
|
|
&shell_append_process);
|
|
PROCESS(shell_write_process, "write");
|
|
SHELL_COMMAND(write_command,
|
|
"write",
|
|
"write <filename>: write to file",
|
|
&shell_write_process);
|
|
PROCESS(shell_read_process, "read");
|
|
SHELL_COMMAND(read_command,
|
|
"read",
|
|
"read <filename> [offset] [block size]: read from a file, with the offset and the block size as options",
|
|
&shell_read_process);
|
|
PROCESS(shell_rm_process, "rm");
|
|
SHELL_COMMAND(rm_command,
|
|
"rm",
|
|
"rm <filename>: remove the file named filename",
|
|
&shell_rm_process);
|
|
/*---------------------------------------------------------------------------*/
|
|
PROCESS_THREAD(shell_ls_process, ev, data)
|
|
{
|
|
static struct cfs_dir dir;
|
|
static cfs_offset_t totsize;
|
|
struct cfs_dirent dirent;
|
|
char buf[32];
|
|
PROCESS_BEGIN();
|
|
|
|
if(cfs_opendir(&dir, "/") != 0) {
|
|
shell_output_str(&ls_command, "Cannot open directory", "");
|
|
} else {
|
|
totsize = 0;
|
|
while(cfs_readdir(&dir, &dirent) == 0) {
|
|
totsize += dirent.size;
|
|
sprintf(buf, "%lu ", (unsigned long)dirent.size);
|
|
/* printf("'%s'\n", dirent.name);*/
|
|
shell_output_str(&ls_command, buf, dirent.name);
|
|
}
|
|
cfs_closedir(&dir);
|
|
sprintf(buf, "%lu", (unsigned long)totsize);
|
|
shell_output_str(&ls_command, "Total size: ", buf);
|
|
}
|
|
PROCESS_END();
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
PROCESS_THREAD(shell_append_process, ev, data)
|
|
{
|
|
static int fd = 0;
|
|
|
|
PROCESS_EXITHANDLER(cfs_close(fd));
|
|
|
|
PROCESS_BEGIN();
|
|
|
|
fd = cfs_open(data, CFS_WRITE | CFS_APPEND);
|
|
|
|
if(fd < 0) {
|
|
shell_output_str(&append_command,
|
|
"append: could not open file for writing: ", data);
|
|
} else {
|
|
while(1) {
|
|
struct shell_input *input;
|
|
PROCESS_WAIT_EVENT_UNTIL(ev == shell_event_input);
|
|
input = data;
|
|
/* printf("cat input %d %d\n", input->len1, input->len2);*/
|
|
if(input->len1 + input->len2 == 0) {
|
|
cfs_close(fd);
|
|
PROCESS_EXIT();
|
|
}
|
|
|
|
cfs_write(fd, input->data1, input->len1);
|
|
cfs_write(fd, input->data2, input->len2);
|
|
|
|
shell_output(&append_command,
|
|
input->data1, input->len1,
|
|
input->data2, input->len2);
|
|
}
|
|
}
|
|
|
|
PROCESS_END();
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
PROCESS_THREAD(shell_write_process, ev, data)
|
|
{
|
|
static int fd = 0;
|
|
int r;
|
|
|
|
PROCESS_EXITHANDLER(cfs_close(fd));
|
|
|
|
PROCESS_BEGIN();
|
|
|
|
fd = cfs_open(data, CFS_WRITE);
|
|
|
|
if(fd < 0) {
|
|
shell_output_str(&write_command,
|
|
"write: could not open file for writing: ", data);
|
|
} else {
|
|
while(1) {
|
|
struct shell_input *input;
|
|
PROCESS_WAIT_EVENT_UNTIL(ev == shell_event_input);
|
|
input = data;
|
|
/* printf("cat input %d %d\n", input->len1, input->len2);*/
|
|
if(input->len1 + input->len2 == 0) {
|
|
cfs_close(fd);
|
|
PROCESS_EXIT();
|
|
}
|
|
|
|
r = 0;
|
|
if(input->len1 > 0) {
|
|
r = cfs_write(fd, input->data1, input->len1);
|
|
}
|
|
|
|
if(r >= 0 && input->len2 > 0) {
|
|
r = cfs_write(fd, input->data2, input->len2);
|
|
}
|
|
|
|
if(r < 0) {
|
|
shell_output_str(&write_command, "write: could not write to the file",
|
|
NULL);
|
|
} else {
|
|
shell_output(&write_command,
|
|
input->data1, input->len1,
|
|
input->data2, input->len2);
|
|
}
|
|
}
|
|
}
|
|
|
|
PROCESS_END();
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
PROCESS_THREAD(shell_read_process, ev, data)
|
|
{
|
|
static int fd = 0;
|
|
char *next;
|
|
char filename[MAX_FILENAME_LEN];
|
|
int len;
|
|
int offset = 0;
|
|
static int block_size = MAX_BLOCKSIZE;
|
|
PROCESS_EXITHANDLER(cfs_close(fd));
|
|
PROCESS_BEGIN();
|
|
|
|
if(data != NULL) {
|
|
next = strchr(data, ' ');
|
|
if(next == NULL) {
|
|
strncpy(filename, data, sizeof(filename));
|
|
} else {
|
|
len = (int)(next - (char *)data);
|
|
if(len <= 0) {
|
|
shell_output_str(&read_command,
|
|
"read: filename too short: ", data);
|
|
PROCESS_EXIT();
|
|
}
|
|
if(len > MAX_FILENAME_LEN) {
|
|
shell_output_str(&read_command,
|
|
"read: filename too long: ", data);
|
|
PROCESS_EXIT();
|
|
}
|
|
memcpy(filename, data, len);
|
|
filename[len] = 0;
|
|
|
|
offset = shell_strtolong(next, NULL);
|
|
next++;
|
|
next = strchr(next, ' ');
|
|
if(next != NULL) {
|
|
block_size = shell_strtolong(next, NULL);
|
|
if(block_size > MAX_BLOCKSIZE) {
|
|
shell_output_str(&read_command,
|
|
"read: block size too large: ", data);
|
|
PROCESS_EXIT();
|
|
}
|
|
}
|
|
}
|
|
|
|
fd = cfs_open(filename, CFS_READ);
|
|
cfs_seek(fd, offset, CFS_SEEK_SET);
|
|
|
|
if(fd < 0) {
|
|
shell_output_str(&read_command,
|
|
"read: could not open file for reading: ", filename);
|
|
} else {
|
|
|
|
while(1) {
|
|
char buf[MAX_BLOCKSIZE];
|
|
int len;
|
|
struct shell_input *input;
|
|
|
|
len = cfs_read(fd, buf, block_size);
|
|
if(len <= 0) {
|
|
cfs_close(fd);
|
|
PROCESS_EXIT();
|
|
}
|
|
shell_output(&read_command,
|
|
buf, len, "", 0);
|
|
|
|
process_post(&shell_read_process, PROCESS_EVENT_CONTINUE, NULL);
|
|
PROCESS_WAIT_EVENT_UNTIL(ev == PROCESS_EVENT_CONTINUE ||
|
|
ev == shell_event_input);
|
|
|
|
if(ev == shell_event_input) {
|
|
input = data;
|
|
/* printf("cat input %d %d\n", input->len1, input->len2);*/
|
|
if(input->len1 + input->len2 == 0) {
|
|
cfs_close(fd);
|
|
PROCESS_EXIT();
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
PROCESS_END();
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
PROCESS_THREAD(shell_rm_process, ev, data)
|
|
{
|
|
PROCESS_BEGIN();
|
|
|
|
if(data != NULL) {
|
|
cfs_remove(data);
|
|
}
|
|
PROCESS_END();
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|
|
void
|
|
shell_file_init(void)
|
|
{
|
|
shell_register_command(&ls_command);
|
|
shell_register_command(&write_command);
|
|
shell_register_command(&append_command);
|
|
shell_register_command(&read_command);
|
|
shell_register_command(&rm_command);
|
|
}
|
|
/*---------------------------------------------------------------------------*/
|