123 lines
3.0 KiB
C
123 lines
3.0 KiB
C
#include "../lib/pubsubd.h"
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#include <stdlib.h>
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#include <pthread.h>
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void
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ohshit(int rvalue, const char* str) {
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fprintf (stderr, "\033[31merr: %s\033[00m\n", str);
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exit (rvalue);
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}
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void usage (char **argv)
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{
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printf ( "usage: %s\n", argv[0]);
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}
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void main_loop (int argc, char **argv, char **env
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, pid_t pid, int index, int version
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, char *cmd, char *chan)
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{
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printf ("connection : pid %d index %d version %d "
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"cmd %s chan %s\n"
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, pid, index, version, cmd, chan );
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struct service srv;
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memset (&srv, 0, sizeof (struct service));
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srv_init (argc, argv, env, &srv, PUBSUB_SERVICE_NAME, NULL);
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printf ("Writing on %s.\n", srv.spath);
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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
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ohshit (1, "app_create");
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printf ("main_loop\n");
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// send a message to warn the service we want to do something
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// line : pid index version action chan
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enum app_list_elm_action action = PUBSUB_BOTH;
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if (strncmp (cmd, "pub", 3) == 0) {
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action = PUBSUB_PUB;
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}
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else if (strncmp (cmd, "sub", 3) == 0) {
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action = PUBSUB_SUB;
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}
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pubsub_connection (&srv, &p, action, chan);
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struct pubsub_msg m;
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memset (&m, 0, sizeof (struct pubsub_msg));
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// meta data on the message
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m.type = PUBSUB_TYPE_MESSAGE;
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m.chan = malloc (strlen (chan) + 1);
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memset (m.chan, 0, strlen (chan) + 1);
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m.chan[strlen (chan)] = '\0';
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m.chanlen = strlen (chan);
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// msg loop
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for (;;) {
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struct pubsub_msg msg;
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memset (&msg, 0, sizeof (struct pubsub_msg));
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char buf[BUFSIZ];
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memset (buf, 0, BUFSIZ);
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printf ("msg to send [quit]: ");
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fflush (stdout);
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size_t mlen = read (0, buf, BUFSIZ);
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printf ("data (%ld): %s\n", mlen, buf);
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if (strncmp(buf, "quit\n", strlen ("quit\n")) == 0) {
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break;
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}
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m.data = malloc (strlen (buf) + 1);
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memset (m.data, 0, strlen (buf) + 1);
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strncpy ((char *) m.data, buf, strlen (buf) + 1);
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m.datalen = strlen (buf);
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printf ("send message\n");
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pubsub_msg_send (&p, &m);
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free (m.data);
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m.data = NULL;
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m.datalen = 0;
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}
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// free everything
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pubsubd_msg_free (&m);
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printf ("disconnection...\n");
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// disconnect from the server
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pubsub_disconnect (&p);
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printf ("destroying app\n");
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// the application will shut down, and remove the application named pipes
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if (app_destroy (&p))
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ohshit (1, "app_destroy");
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}
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int main(int argc, char **argv, char **env)
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{
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if (argc != 1) {
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usage (argv);
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exit (1);
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}
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pid_t pid = getpid();
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int index = 0;
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// don't care about the version
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int version = COMMUNICATION_VERSION;
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char *cmd = "both";
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char *chan = "chan1";
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main_loop (argc, argv, env, pid, index, version, cmd, chan);
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return EXIT_SUCCESS;
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}
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