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rebuild code to run image viewer in standalone or client mode (not implemented yet)

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This commit is contained in:
Edward Emelianov
2023-02-07 17:01:06 +03:00
parent 089370d276
commit 764aa50ccc
10 changed files with 428 additions and 339 deletions
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70
main.c
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@@ -40,7 +40,7 @@ static int isserver = FALSE;
static pid_t childpid = 0;
void signals(int signo){
signal(signo, SIG_IGN);
if(signo) signal(signo, SIG_IGN);
if(childpid){ // master process
if(signo == SIGUSR1){ // kill child
kill(childpid, signo);
@@ -56,7 +56,7 @@ void signals(int signo){
exit(signo);
}
// slave: cancel exposition
WARNX("Get signal %d - exit", signo);
if(signo) WARNX("Get signal %d - exit", signo);
if(!GP->client){
DBG("Cancel capturing");
cancel();
@@ -64,8 +64,11 @@ void signals(int signo){
#ifdef IMAGEVIEW
DBG("KILL GL");
closeGL();
usleep(100000);
usleep(10000);
#endif
closewheel();
focclose();
closecam();
exit(signo);
}
@@ -102,6 +105,8 @@ int main(int argc, char **argv){
if(!GP->client) isserver = TRUE;
}
if(GP->path && !GP->client) isserver = TRUE;
if(GP->client && (GP->commondev || GP->focuserdev || GP->cameradev || GP->wheeldev))
ERRX("Can't be client and standalone in same time!");
if(GP->logfile){
int lvl = LOGLEVEL_WARN + GP->verbose;
DBG("level = %d", lvl);
@@ -119,31 +124,48 @@ int main(int argc, char **argv){
signal(SIGUSR1, signals); // restart server
// check for another running process in server and standalone mode
if(!GP->client) check4running(self, GP->pidfile);
if(!isserver && !GP->client){ // standalone mode
focusers();
wheels();
ccds();
if(!isserver){ // run in standalone or client mode
int camerainit = FALSE;
if(!GP->client){ // standalone mode
focusers(); // run focusers and wheels before showimage
wheels();
camerainit = prepare_ccds();
}else{ // client mode
#ifdef IMAGEVIEW
if(GP->showimage) return viewer(NULL); // TODO
#endif
if(GP->path) return start_socket(isserver, GP->path, FALSE);
if(GP->port) return start_socket(isserver, GP->port, TRUE);
}
#ifdef IMAGEVIEW
if(GP->showimage){ // activate image vindow in capture or simple viewer mode
imagefunc imfn = NULL;
if(GP->cameradev || GP->commondev){if(camerainit) imfn = ccdcaptured;} // capture mode
else imfn = NULL; // TODO - simple file viewer
return viewer(imfn);
}
#endif
if(camerainit) ccds();
return 0;
}
LOGMSG("Started");
#ifndef EBUG
if(isserver){
unsigned int pause = 5;
while(1){
childpid = fork();
if(childpid){ // master
double t0 = dtime();
LOGMSG("Created child with pid %d", childpid);
wait(NULL);
LOGERR("Child %d died", childpid);
if(dtime() - t0 < 1.) pause += 5;
else pause = 1;
if(pause > 900) pause = 900;
sleep(pause); // wait a little before respawn
}else{ // slave
prctl(PR_SET_PDEATHSIG, SIGTERM); // send SIGTERM to child when parent dies
break;
}
unsigned int pause = 5;
while(1){
childpid = fork();
if(childpid){ // master
double t0 = dtime();
LOGMSG("Created child with pid %d", childpid);
wait(NULL);
LOGERR("Child %d died", childpid);
if(dtime() - t0 < 1.) pause += 5;
else pause = 1;
if(pause > 900) pause = 900;
sleep(pause); // wait a little before respawn
}else{ // slave
prctl(PR_SET_PDEATHSIG, SIGTERM); // send SIGTERM to child when parent dies
break;
}
}
#endif