marignotti/main.c

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C
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#include "marignotti.h"
#include <memory.h>
#include <texttool.h>
#include <misctool.h>
#include <locator.h>
#include <stdio.h>
#include <stdlib.h>
#include <signal.h>
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#include <unistd.h>
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#include <gno/gno.h>
#pragma optimize 79
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#pragma stacksize 768 // 406, so far.
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int semID = 0;
Word MyID;
Word QuitFlag;
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Word Debug;
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#pragma databank 0
void signal_handler(int sig, int code)
{
WriteLine("\pWe got signal!");
QuitFlag = 1;
}
void DisplayMessage(const char *string)
{
if (string) WriteLine(string);
}
#pragma databank 0
// startup/shutdown flags.
enum {
kLoaded = 1,
kStarted = 2,
kConnected = 4
};
Word StartUp(displayPtr fx)
{
word status;
word flags = 0;
// TCPIP is an init, not a tool, so it should always
// be loaded.
status = TCPIPStatus();
if (_toolErr)
{
LoadOneTool(54, 0x0300);
if (_toolErr) return -1;
status = 0;
flags |= kLoaded;
}
#if 1
// require 3.0b3
if (TCPIPLongVersion() < 0x03006003)
{
if (fx) fx("Marinetti 3.0b3 is required.");
if (flags & kLoaded)
UnloadOneTool(54);
return -1;
}
#endif
if (!status)
{
TCPIPStartUp();
if (_toolErr) return -1;
flags |= kStarted;
}
status = TCPIPGetConnectStatus();
if (!status)
{
TCPIPConnect(fx);
flags |= kConnected;
}
return flags;
}
void ShutDown(word flags, Boolean force, displayPtr fx)
{
if (flags & kConnected)
{
TCPIPDisconnect(force, fx);
if (_toolErr) return;
}
if (flags & kStarted)
{
TCPIPShutDown();
if (_toolErr) return;
}
if (flags & kLoaded)
{
UnloadOneTool(54);
}
}
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#define VERSION "0.2"
static void version(void)
{
fputs("Marignotti " VERSION "\n", stdout);
}
static void help(void)
{
fputs("Marignotti " VERSION "\n", stdout);
fputs("Marignotti is a TCP driver for GNO/ME 2.0.6\n", stdout);
fputs("Marinetti 3.0b3 or newer is required.\n", stdout);
fputs("\n", stdout);
fputs("Usage: marignotti [-h -d -v]\n", stdout);
fputs("-h show help information.\n", stdout);
fputs("-v show version information.\n", stdout);
fputs("-d increase debug level [Sweet-16 only].\n", stdout);
}
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int main(int argc, char **argv)
{
int flags;
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int ch;
_beginStackCheck();
Debug = 0;
QuitFlag = 0;
while ((ch = getopt(argc, argv, "dhv")) != EOF)
{
switch (ch)
{
case 'd':
Debug++;
break;
case 'h':
case '?':
help();
return 0;
break;
case 'v':
version();
return 0;
break;
}
}
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MyID = MMStartUp();
flags = StartUp(DisplayMessage);
if (flags == -1) exit(1);
semID = screate(1);
InstallNetDriver(driver, 0);
signal(SIGQUIT, signal_handler);
signal(SIGINT, signal_handler);
signal(SIGHUP, signal_handler);
// SIGUSR to dump table ala netstat?
while (!QuitFlag)
{
IncBusy();
TCPIPPoll();
DecBusy();
process_table();
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Resched();
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}
InstallNetDriver(NULL, 0);
sdelete(semID);
destroy_table();
ShutDown(flags, 0, DisplayMessage);
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_reportStack();
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return 0;
}