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libipc-old/pubsub/app/pubsub-test-send-params.c

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#include "../lib/pubsubd.h"
#include <stdlib.h>
#include <pthread.h>
#define MYMESSAGE "coucou"
void
ohshit(int rvalue, const char* str) {
fprintf (stderr, "\033[31merr: %s\033[00m\n", str);
exit (rvalue);
}
void usage (char **argv)
{
printf ( "usage : %s pid index (pub|sub|both|quit) [chan]\n", argv[0]);
}
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void sim_connection (int argc, char **argv, char **env, pid_t pid, int index, int version, char *cmd, char *chan)
{
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printf ("Simulate connection : pid %d index %d version %d "
"cmd %s chan %s\n"
, pid, index, version, cmd, chan );
struct service srv;
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memset (&srv, 0, sizeof (struct service));
srv_init (argc, argv, env, &srv, PUBSUB_SERVICE_NAME, NULL);
printf ("Writing on %s.\n", srv.spath);
struct process p;
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memset (&p, 0, sizeof (struct process));
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printf ("app creation\n");
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if (app_create (&p, pid, index, version)) // called by the application
ohshit (1, "app_create");
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printf ("connection\n");
// send a message to warn the service we want to do something
// line : pid index version action chan
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pubsub_connection (&srv, &p, PUBSUB_PUB, chan);
struct pubsub_msg m;
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memset (&m, 0, sizeof (struct pubsub_msg));
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if (strcmp (cmd, "pub") == 0) {
// first message, "coucou"
m.type = PUBSUB_TYPE_MESSAGE;
m.chan = malloc (strlen (chan) + 1);
memset (m.chan, 0, strlen (chan) + 1);
m.chan[strlen (chan)] = '\0';
m.chanlen = strlen (chan);
m.data = malloc (strlen (MYMESSAGE) + 1);
memset (m.data, 0, strlen (MYMESSAGE) + 1);
strncpy ((char *) m.data, MYMESSAGE, strlen (MYMESSAGE) + 1);
m.datalen = strlen (MYMESSAGE);
printf ("send message\n");
pubsub_msg_send (&p, &m);
}
else {
pubsub_msg_recv (&p, &m);
pubsubd_msg_print (&m);
}
// free everything
pubsubd_msg_free (&m);
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printf ("disconnection\n");
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// disconnect from the server
pubsub_disconnect (&p);
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printf ("destroying app\n");
// the application will shut down, and remove the application named pipes
if (app_destroy (&p))
ohshit (1, "app_destroy");
}
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void sim_disconnection (int argc, char **argv, char **env, pid_t pid, int index, int version)
{
struct service srv;
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memset (&srv, 0, sizeof (struct service));
srv_init (argc, argv, env, &srv, PUBSUB_SERVICE_NAME, NULL);
printf ("Disconnecting from %s.\n", srv.spath);
struct process p;
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memset (&p, 0, sizeof (struct process));
// create the fake process
srv_process_gen (&p, pid, index, version);
// send a message to disconnect
// line : pid index version action chan
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pubsub_disconnect (&p);
}
int
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main(int argc, char **argv, char **env)
{
if (argc < 3) {
usage (argv);
exit (1);
}
pid_t pid = 0;
pid = atol(argv[1]);
int index = 0;
index = atoi (argv[2]);
// don't care about the version
int version = COMMUNICATION_VERSION;
char * cmd = NULL;
cmd = argv[3];
if (strcmp(cmd, "quit") != 0) {
char *chan = NULL;
chan = argv[4];
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sim_connection (argc, argv, env, pid, index, version, cmd, chan);
}
else {
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sim_disconnection (argc, argv, env, pid, index, version);
}
return EXIT_SUCCESS;
}