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libipc-old/pubsub/test-chan-lists.c

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#include "../lib/pubsubd.h"
#include <stdlib.h>
#define TEST_NAME "test-chan-lists"
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#define CHAN1 "coucou"
#define CHAN2 "salut"
void
ohshit(int rvalue, const char* str) {
fprintf(stderr, "%s\n", str);
exit(rvalue);
}
int
main(int argc, char **argv, char **env)
{
struct service srv;
memset (&srv, 0, sizeof (struct service));
srv_init (argc, argv, env, &srv, TEST_NAME, 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");
// init chans list
struct channels chans;
memset (&chans, 0, sizeof (struct channels));
pubsubd_channels_init (&chans);
// for each new process
// struct app_list_elm ale1;
// memset (&ale1, 0, sizeof (struct app_list_elm));
// FIRST CHAN TO BE ADDED
// search for the chan in channels, add it if not found
struct channel *new_chan = NULL;
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new_chan = pubsubd_channel_search (&chans, CHAN1);
if (new_chan == NULL) {
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new_chan = pubsubd_channels_add (&chans, CHAN1);
pubsubd_subscriber_init (&new_chan->alh);
}
else {
ohshit (2, "error : new chan, can't be found in channels yet");
}
printf ("print the channels, 1 chan\n");
printf ("--\n");
pubsubd_channels_print (&chans);
printf ("--\n");
// SAME CHAN, SHOULD NOT BE ADDED
// search for the chan in channels, add it if not found
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new_chan = pubsubd_channel_search (&chans, CHAN1);
if (new_chan == NULL) {
ohshit (3, "error : same chan, shouldn't be added in channels");
}
else {
printf ("already in the 'channels' structure\n");
}
printf ("print the channels, 1 chan\n");
printf ("--\n");
pubsubd_channels_print (&chans);
printf ("--\n");
// NEW CHAN, SHOULD BE ADDED
// search for the chan in channels, add it if not found
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new_chan = pubsubd_channel_search (&chans, CHAN2);
if (new_chan == NULL) {
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new_chan = pubsubd_channels_add (&chans, CHAN2);
pubsubd_subscriber_init (&new_chan->alh);
}
else {
ohshit (4, "error : new chan, should be added in channels");
}
printf ("print the channels, 2 chans\n");
printf ("--\n");
pubsubd_channels_print (&chans);
printf ("--\n");
// end the application
pubsubd_channels_del_all (&chans);
printf ("\nshould be empty now\n");
printf ("--\n");
pubsubd_channels_print (&chans);
printf ("--\n");
// the application will shut down, and remove the service named pipe
if (srv_close (&srv))
ohshit (1, "service_close error");
return EXIT_SUCCESS;
}