71 lines
1.7 KiB
C
71 lines
1.7 KiB
C
#include "../lib/communication.h"
|
|
|
|
#define SERVICE "windowing"
|
|
|
|
void
|
|
ohshit(int rvalue, const char* str) {
|
|
fprintf(stderr, "%s\n", str);
|
|
exit(rvalue);
|
|
}
|
|
|
|
/*
|
|
* pipes creation and removal test program
|
|
*
|
|
* 1. S creates the named pipe /tmp/ipc/<service>
|
|
* 2. App creates named pipes in & out, /tmp/ipc/$pid-$index-$version-{in,out}
|
|
*
|
|
* ... some communication between S and App...
|
|
* App wants to stop
|
|
*
|
|
* 3. App removes the named pipes in and out
|
|
* 4. S removes the named pipe /tmp/ipc/<service>
|
|
*/
|
|
|
|
int main(int argc, char * argv[], char *env[])
|
|
{
|
|
struct service srv;
|
|
memset (&srv, 0, sizeof (struct service));
|
|
srv_init (argc, argv, env, &srv, SERVICE, NULL);
|
|
printf ("Listening on %s.\n", srv.spath);
|
|
|
|
// creates the service named pipe, that listens to client applications
|
|
if (srv_create (&srv))
|
|
ohshit(1, "service_create error");
|
|
|
|
/*
|
|
* PROCESS
|
|
*/
|
|
|
|
struct process p;
|
|
memset (&p, 0, sizeof (struct process));
|
|
|
|
pid_t pid = getpid();
|
|
int index = 0; // first time we communication with the service
|
|
int version = 1;
|
|
|
|
printf ("app creation\n");
|
|
if (app_create (&p, pid, index, version)) // called by the application
|
|
ohshit (1, "app_create");
|
|
|
|
/*
|
|
* some exchanges between App and S
|
|
* specific code, talks between applications
|
|
* then App wants to end the communication
|
|
*/
|
|
|
|
printf ("destroying app\n");
|
|
// the application will shut down, and remove the application named pipes
|
|
if (app_destroy (&p))
|
|
ohshit (1, "app_destroy");
|
|
|
|
/*
|
|
* /PROCESS
|
|
*/
|
|
|
|
// the application will shut down, and remove the service named pipe
|
|
if (srv_close (&srv))
|
|
ohshit (1, "srv_close error");
|
|
|
|
return EXIT_SUCCESS;
|
|
}
|