main()
{
lbm_context_t *ctx; /* pointer to context object */
lbm_context_attr_t * cattr; /* pointer to context attribute object */
int err; /* return status of lbm functions (true=error) */
#if defined(_WIN32)
HANDLE wthrdh;
#else
pthread_t pthids;
#endif /* _WIN32 */
#if defined(_MSC_VER)
/* windows-specific code */
WSADATA wsadata;
int wsStat = WSAStartup(MAKEWORD(2,2), &wsadata);
if (wsStat != 0)
{
printf("line %d: wsStat=%d\n",__LINE__,wsStat);
exit(1);
}
#endif
if (lbm_context_attr_create(&cattr) != 0)
{
fprintf(stderr, "lbm_context_attr_create: %s\n", lbm_errmsg());
exit(1);
}
/* Setting the resolver address using the string method */
if (lbm_context_attr_str_setopt(cattr, "operational_mode", "sequential") != 0)
{
fprintf(stderr, "lbm_context_attr_str_setopt:operational_mode: %s\n", lbm_errmsg());
exit(1);
}
err = lbm_context_create(&ctx, cattr, NULL, NULL);
if (err)
{
printf("line %d: %s\n", __LINE__, lbm_errmsg());
exit(1);
}
#if defined(_WIN32)
if ((wthrdh = CreateThread(NULL, 0, seq_thread, ctx, 0, NULL)) == NULL) {
fprintf(stderr, "could not create thread\n");
exit(1);
}
#else
if (pthread_create(&pthids, NULL, seq_thread, ctx) != 0) {
fprintf(stderr, "could not spawn thread\n");
exit(1);
}
#endif /* _WIN32 */
/* Wait forever */
while (1) { }
}
void *seq_thread(void *arg)
#endif /* _WIN32 */
{
lbm_context_t *ctx = (lbm_context_t *) arg;
while (1)
{
if (lbm_context_process_events(ctx, 500) == -1)
{
printf("ERROR processing context events: %s\n", lbm_errmsg());
exit(1);
}
}
}
main()
{
lbm_context_t *ctx; /* pointer to context object */
lbm_topic_t *topic_1; /* pointer to topic object */
lbm_src_t *src; /* pointer to source object */
lbm_src_topic_attr_t *tattr; /* pointer to source attribute object */
lbm_context_attr_t * cattr; /* pointer to context attribute object */
int err; /* return status of lbm functions (true=error) */
lbm_event_queue_t *evq = NULL; /* pointer to eventQ handle */
#if defined(_MSC_VER)
/* windows-specific code */
WSADATA wsadata;
int wsStat = WSAStartup(MAKEWORD(2, 2), &wsadata);
if (wsStat != 0)
{
printf("line %d: wsStat=%d\n", __LINE__, wsStat);
exit(1);
}
#endif
/* Initialize the defaults for the context attribute object */
if (lbm_context_attr_create(&cattr) != 0)
{
fprintf(stderr, "lbm_context_attr_create: %s\n", lbm_errmsg());
exit(1);
}
/* Creating the context */
err = lbm_context_create(&ctx, cattr, NULL, NULL);
if (err)
{
printf("line %d: %s\n", __LINE__, lbm_errmsg());
exit(1);
}
/* Delete the context attribute object */
lbm_context_attr_delete(cattr);
/* Initializing the source attribute object */
if (lbm_src_topic_attr_create(&tattr) != 0)
{
fprintf(stderr, "lbm_src_topic_attr_create: %s\n", lbm_errmsg());
exit(1);
}
/* Allocating the topic */
err = lbm_src_topic_alloc(&topic_1, ctx, "test.topic", tattr);
if (err)
{
printf("line %d: %s\n", __LINE__, lbm_errmsg());
exit(1);
}
/* Create an event queue and associate it with a callback */
if (lbm_event_queue_create(&evq, NULL, NULL, NULL) == LBM_FAILURE) {
fprintf(stderr, "lbm_event_queue_create: %s\n", lbm_errmsg());
exit(1);
}
/* Creating the source */
err = lbm_src_create(&src, ctx, topic_1, handle_src_event, NULL, evq);
if (err)
{
printf("line %d: %s\n", __LINE__, lbm_errmsg());
exit(1);
}
/* This runs the eventQ for 10 seconds. This means for the next 10 seconds */
/* all of the sources events will be processed on this thread. */
if(lbm_event_dispatch(evq, 10000) == LBM_FAILURE) {
fprintf(stderr, "lbm_event_dispatch returned error: %s\n", lbm_errmsg());
}
/* Delete the first and second source topic attribute objects */
lbm_src_topic_attr_delete(tattr);
/* Finished with all LBM functions, delete the source and context object. */
lbm_src_delete(src);
lbm_context_delete(ctx);
lbm_event_queue_delete(evq);
#if defined(_MSC_VER)
WSACleanup();
#endif
}
main()
{
lbm_context_t *ctx; /* pointer to context object */
lbm_topic_t *topic_1; /* pointer to topic object */
lbm_topic_t *topic_2; /* pointer to topic object */
lbm_src_t *src_1; /* pointer to source object */
lbm_src_t *src_2; /* pointer to source object */
lbm_src_topic_attr_t *tattr_1; /* pointer to source attribute object */
lbm_src_topic_attr_t *tattr_2; /* pointer to source attribute object */
lbm_context_attr_t * cattr; /* pointer to context attribute object */
lbm_uint16_t res_port; /* Int to set resolver port */
lbm_uint16_t des_port; /* Int to set lbtrm destination port */
int err; /* return status of lbm functions (true=error) */
#if defined(_MSC_VER)
/* windows-specific code */
WSADATA wsadata;
int wsStat = WSAStartup(MAKEWORD(2,2), &wsadata);
if (wsStat != 0)
{
printf("line %d: wsStat=%d\n",__LINE__,wsStat);
exit(1);
}
#endif
/* Initialize the defaults for the context attribute object */
if (lbm_context_attr_create(&cattr) != 0)
{
fprintf(stderr, "lbm_context_attr_create: %s\n", lbm_errmsg());
exit(1);
}
/* Setting the resolver address using the string method */
if (lbm_context_attr_str_setopt(cattr, "resolver_multicast_address", "224.10.11.12") != 0)
{
fprintf(stderr, "lbm_context_attr_str_setopt:resolver_multicast_address: %s\n", lbm_errmsg());
exit(1);
}
/* Setting the resolver port using the data-type value method */
res_port = 12345;
if (lbm_context_attr_setopt(cattr, "resolver_multicast_port", &res_port, sizeof(lbm_uint16_t)) != 0 )
{
fprintf(stderr, "lbm_context_attr_setopt:resolver_mutlicast_port: %s\n", lbm_errmsg());
exit(1);
}
/* Creating the context */
err = lbm_context_create(&ctx, cattr, NULL, NULL);
if (err)
{
printf("line %d: %s\n", __LINE__, lbm_errmsg());
exit(1);
}
/* Delete the context attribute object */
lbm_context_attr_delete(cattr);
/* Initializing the source attribute object */
if (lbm_src_topic_attr_create(&tattr_1) != 0)
{
fprintf(stderr, "lbm_src_topic_attr_create: %s\n", lbm_errmsg());
exit(1);
}
/* Setting the transport via the source topic string method */
if (lbm_src_topic_attr_str_setopt(tattr_1, "transport", "lbtrm") != 0 )
{
fprintf(stderr, "lbm_src_topic_attr_str_setopt:transport: %s\n", lbm_errmsg());
exit(1);
}
/* Setting the lbtrm destination port via the direct value set method */
des_port = 14001;
if (lbm_src_topic_attr_setopt(tattr_1, "transport_lbtrm_destination_port", &des_port, sizeof(lbm_uint16_t)) != 0 )
{
fprintf(stderr, "lbm_src_topic_attr_setopt:transport_lbtrm_destination_port: %s\n", lbm_errmsg());
exit(1);
}
/* Allocating the topic */
err = lbm_src_topic_alloc(&topic_1, ctx, "test.topic.1", tattr_1);
if (err)
{
printf("line %d: %s\n", __LINE__, lbm_errmsg());
exit(1);
}
/* Creating the source */
err = lbm_src_create(&src_1, ctx, topic_1, NULL, NULL, NULL);
if (err)
{
printf("line %d: %s\n", __LINE__, lbm_errmsg());
exit(1);
}
/* Initialized the second source attributes as a copy of the first */
if (lbm_src_topic_attr_dup(&tattr_2, tattr_1) != 0 )
{
fprintf(stderr, "lbm_src_topic_attr_dup: %s\n", lbm_errmsg());
exit(1);
}
/* Now modify the destination port for this second source to put the publisher on a different transport */
des_port = 14002;
if (lbm_src_topic_attr_setopt(tattr_2, "transport_lbtrm_destination_port", &des_port, sizeof(lbm_uint16_t)) != 0 )
{
fprintf(stderr, "lbm_src_topic_attr_setopt:transport_lbtrm_destination_port: %s\n", lbm_errmsg());
exit(1);
}
/* Allocating the second topic */
err = lbm_src_topic_alloc(&topic_2, ctx, "test.topic.2", tattr_2);
if (err)
{
printf("line %d: %s\n", __LINE__, lbm_errmsg());
exit(1);
}
/* Creating the source */
err = lbm_src_create(&src_2, ctx, topic_2, NULL, NULL, NULL);
if (err)
{
printf("line %d: %s\n", __LINE__, lbm_errmsg());
exit(1);
}
/* Delete the first and second source topic attribute objects */
lbm_src_topic_attr_delete(tattr_1);
lbm_src_topic_attr_delete(tattr_2);
/* Finished with all LBM functions, delete the source and context object. */
lbm_src_delete(src_1);
lbm_src_delete(src_2);
lbm_context_delete(ctx);
#if defined(_MSC_VER)
WSACleanup();
#endif
}