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/*
* Ivy probe
*
* Copyright (C) 1997-2004
* Centre d'Études de la Navigation Aérienne
*
* Main and only file
*
* Authors: François-Régis Colin <fcolin@cena.fr>
* Yannick Jestin <jestin@cena.fr>
*
* Please refer to file version.h for the
* copyright notice regarding this software
*/
#define DEFAULT_IVYPROBE_NAME "IVYPROBE"
#define DEFAULT_READY " Ready"
#include "version.h"
#define IVYMAINLOOP
#ifdef XTMAINLOOP
#undef IVYMAINLOOP
#endif
#ifdef GLIBMAINLOOP
#undef IVYMAINLOOP
#endif
#ifdef GLUTMAINLOOP
#undef IVYMAINLOOP
#endif
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#ifdef WIN32
#include <windows.h>
#ifdef __MINGW32__
#include <getopt.h>
#else
#include "getopt.h"
#endif // __MINGW32__
#else // WIN32
#include <sys/time.h>
#include <unistd.h>
#ifdef __INTERIX
extern char *optarg;
extern int optind;
#endif // __INTERIX
#endif // WIN32
#ifdef USE_PCRE_REGEX
#define OVECSIZE 60 /* must be multiple of 3, for regexp return */
#include <pcre.h>
#else
#include <regex.h>
#endif
#include "ivychannel.h"
#include "ivysocket.h"
#include "ivy.h"
#include "timer.h"
#ifdef XTMAINLOOP
#include "ivyxtloop.h"
#include <X11/Intrinsic.h>
XtAppContext cntx;
#endif
int app_count = 0;
int wait_count = 0;
int fbindcallback = 0;
void DirectCallback(IvyClientPtr app, void *user_data, int id, int len, void *msg )
{
printf("%s sent a direct message, id=%d, message=%.*s\n",
IvyGetApplicationName(app),id,len,(char*)msg);
}
void BindCallback(IvyClientPtr app, void *user_data, IvyBindEvent event, char *regexp )
{
char *sevent;
sevent= event==IvyAddBind ? "added" :"removed";
printf("%s has modified his binding, regexp=%s is %s\n",
IvyGetApplicationName(app),regexp,sevent);
}
void Callback (IvyClientPtr app, void *user_data, int argc, char *argv[])
{
int i;
printf ("%s sent %d args:",IvyGetApplicationName(app),argc);
for (i = 0; i < argc; i++)
printf(" '%s'",argv[i]);
printf("\n");
}
char * Chop(char *arg)
{
int len;
if (arg==NULL) return arg;
len=strlen(arg)-1;
if ((*(arg+len))=='\n') *(arg+len)=0;
return arg;
}
void HandleStdin (Channel channel, IVY_HANDLE fd, void *data)
{
char buf[4096];
char *line;
char *cmd;
char *arg;
char *choparg;
int id;
IvyClientPtr app;
int err;
line = fgets(buf, 4096, stdin);
if (!line) {
#ifdef WIN32
#else
IvyChannelClose (channel);
#endif
IvyStop();
return;
}
if (*line == '.') {
cmd = strtok (line, ".: \n");
if (strcmp (cmd, "die") == 0) {
arg = strtok (NULL, " \n");
if (arg) {
app = IvyGetApplication (arg);
if (app)
IvySendDieMsg (app);
else printf ("No Application %s!!!\n",arg);
}
} else if (strcmp(cmd, "dieall-yes-i-am-sure") == 0) {
arg = IvyGetApplicationList();
arg = strtok (arg, " \n");
while (arg) {
app = IvyGetApplication (arg);
if (app)
IvySendDieMsg (app);
else
printf ("No Application %s!!!\n",arg);
arg = strtok (NULL, " ");
}
} else if (strcmp(cmd, "bind") == 0) {
arg = strtok (NULL, "'");
if (arg) {
#ifdef USE_PCRE_REGEX
pcre *regexp;
const char *errbuf;
int erroffset;
Chop(arg);
regexp = pcre_compile(arg, 0,&errbuf,&erroffset,NULL);
if (regexp==NULL) {
printf("Error compiling '%s', %s, not bound\n", arg, errbuf);
#else
regex_t reg;
int err;
Chop(arg);
if (err=regcomp(®,arg,REG_ICASE|REG_EXTENDED)!=0) {
char errbuf[4096];
regerror (err, ®, errbuf, 4096);
printf("Error compiling '%s', %s, not bound\n", arg, errbuf);
#endif
} else {
IvyBindMsg (Callback, NULL, Chop(arg));
}
}
} else if (strcmp(cmd, "where") == 0) {
arg = strtok (NULL, " \n");
if (arg) {
app = IvyGetApplication (arg);
if (app)
printf ("Application %s on %s\n",arg, IvyGetApplicationHost (app));
else printf ("No Application %s!!!\n",arg);
}
} else if (strcmp(cmd, "direct") == 0) {
arg = strtok (NULL, " \n");
if (arg) {
choparg = Chop(arg);
app = IvyGetApplication (arg);
if (app) {
arg = strtok (NULL, " ");
id = atoi (arg) ;
arg = strtok (NULL, "'");
IvySendDirectMsg (app, id, strlen(choparg), choparg);
} else
printf ("No Application %s!!!\n",arg);
}
} else if (strcmp(cmd, "who") == 0) {
printf("Apps: %s\n", IvyGetApplicationList());
} else if (strcmp(cmd, "help") == 0) {
fprintf(stderr,"Commands list:\n");
printf(" .help - this help\n");
printf(" .quit - terminate this application\n");
printf(" .die appname - send die msg to appname\n");
printf(" .dieall-yes-i-am-sure - send die msg to all applis\n");
printf(" .direct appname id 'arg' - send direct msg to appname\n");
printf(" .where appname - on which host is appname\n");
printf(" .bind 'regexp' - add a msg to receive\n");
printf(" .bindcall - add callback to binding\n");
printf(" .who - who is on the bus\n");
} else if (strcmp(cmd, "bindcall") == 0) {
if (!fbindcallback) {
IvySetBindCallback(BindCallback, NULL);
fbindcallback=1;
} else {
IvySetBindCallback(NULL, NULL);
fbindcallback=0;
}
} else if (strcmp(cmd, "quit") == 0) {
exit(0);
}
} else {
cmd = strtok (buf, "\n");
if ( cmd )
{
err = IvySendMsg (cmd);
printf("-> Sent to %d peer%s\n", err, err == 1 ? "" : "s");
}
}
}
#ifdef WIN32
DWORD WINAPI HandleStdinThread( LPVOID lpParam )
{
while( 1 )
HandleStdin( 0,0,0);
}
void CraeteStdinThread()
{
DWORD dwThreadId, dwThrdParam = 1;
HANDLE hThread;
hThread = CreateThread(
NULL, // default security attributes
0, // use default stack size
HandleStdinThread, // thread function
&dwThrdParam, // argument to thread function
0, // use default creation flags
&dwThreadId); // returns the thread identifier
// Check the return value for success.
if (hThread == NULL)
{
printf( "CreateThread failed (%d)\n", GetLastError() );
}
}
#endif
void ApplicationCallback (IvyClientPtr app, void *user_data, IvyApplicationEvent event)
{
char *appname;
char *host;
char **msgList;
appname = IvyGetApplicationName (app);
host = IvyGetApplicationHost (app);
switch (event) {
case IvyApplicationConnected:
app_count++;
printf("%s connected from %s\n", appname, host);
/* printf("Application(%s): Begin Messages\n", appname);*/
msgList = IvyGetApplicationMessages (app);
while (*msgList )
printf("%s subscribes to '%s'\n",appname,*msgList++);
/* printf("Application(%s): End Messages\n",appname);*/
if (app_count == wait_count)
IvyChannelOpen (0, NULL, NULL, HandleStdin);
break;
case IvyApplicationDisconnected:
app_count--;
printf("%s disconnected from %s\n", appname, host);
break;
default:
printf("%s: unkown event %d\n", appname, event);
break;
}
}
#ifndef XTMAINLOOP
void TimerCall(TimerId id, void *user_data, unsigned long delta)
{
printf("Timer callback: %d delta %lu ms\n", (int)user_data, delta);
IvySendMsg ("TEST TIMER %d", (int)user_data);
/*if ((int)user_data == 5) TimerModify (id, 2000);*/
}
#endif
#ifdef GLUTMAINLLOP
void
display(void)
{
glClear(GL_COLOR_BUFFER_BIT);
glFlush();
}
#endif
int main(int argc, char *argv[])
{
int c;
int timer_test = 0;
char busbuf [1024] = "";
const char* bus = 0;
char agentnamebuf [1024] = "";
const char* agentname = DEFAULT_IVYPROBE_NAME;
char agentready [1024] = "";
const char* helpmsg =
"[options] [regexps]\n\t-b bus\tdefines the Ivy bus to which to connect to, defaults to 127:2010\n\t-t\ttriggers the timer test\n\t-n name\tchanges the name of the agent, defaults to IVYPROBE\n\t-v\tprints the ivy relase number\n\nregexp is a Perl5 compatible regular expression (see ivyprobe(1) and pcrepattern(3) for more info\nuse .help within ivyprobe\n\t-s bindcall\tactive the interception of regexp's subscribing or unscribing\n";
while ((c = getopt(argc, argv, "vn:d:b:w:t:s")) != EOF)
switch (c) {
case 'b':
strcpy (busbuf, optarg);
bus = busbuf;
break;
case 'w':
wait_count = atoi(optarg) ;
break;
case 'n':
strcpy(agentnamebuf, optarg);
agentname=agentnamebuf;
case 'v':
printf("ivy c library version %d.%d\n",IVYMAJOR_VERSION,IVYMINOR_VERSION);
break;
case 't':
timer_test = 1;
break;
case 's':
IvySetBindCallback(BindCallback, NULL);
fbindcallback=1;
break;
default:
printf("usage: %s %s",argv[0],helpmsg);
exit(1);
}
sprintf(agentready,"%s Ready",agentname);
/* Mainloop management */
#ifdef XTMAINLOOP
/*XtToolkitInitialize();*/
cntx = XtCreateApplicationContext();
IvyXtChannelAppContext (cntx);
#endif
#ifdef GLUTMAINLLOOP
glutInit(&argc, argv);
glutCreateWindow("IvyProbe Test");
glClearColor(0.49, 0.62, 0.75, 0.0);
glutDisplayFunc(display);
#endif
IvyInit (agentname, agentready, ApplicationCallback,NULL,NULL,NULL);
IvySetApplicationPriority( 0 ); /* lower priority */
IvyBindDirectMsg( DirectCallback,NULL);
for (; optind < argc; optind++)
IvyBindMsg (Callback, NULL, argv[optind]);
if (wait_count == 0)
#ifdef WIN32
/* Stdin not compatible with select , select only accept socket */
/* use Thread to Read StdIn */
CraeteStdinThread();
#else
IvyChannelOpen (0, NULL, NULL, HandleStdin);
#endif
IvyStart (bus);
if (timer_test) {
#ifdef IVYMAINLOOP
TimerRepeatAfter (TIMER_LOOP, 1000, TimerCall, (void*)1);
TimerRepeatAfter (5, 5000, TimerCall, (void*)5);
#endif
}
#ifdef XTMAINLOOP
XtAppMainLoop (cntx);
#endif
IvyMainLoop (0);
return 0;
}
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