X-Git-Url: http://git.meshlink.io/?a=blobdiff_plain;f=examples%2Fclient-publish-service.c;h=96afaf33810de89827143126ffbb4b8073395931;hb=c4ee97bf1fe6ca9caf4f17a2a5a77a620ff7d9d7;hp=d99c46b351cb9060f602bbd92e735d9628c3ecc2;hpb=f17d2832301b0f2fcd50fdcc6fec77666178158f;p=catta diff --git a/examples/client-publish-service.c b/examples/client-publish-service.c index d99c46b..96afaf3 100644 --- a/examples/client-publish-service.c +++ b/examples/client-publish-service.c @@ -35,6 +35,7 @@ #include #include #include +#include static AvahiEntryGroup *group = NULL; static AvahiSimplePoll *simple_poll = NULL; @@ -42,7 +43,7 @@ static char *name = NULL; static void create_services(AvahiClient *c); -static void entry_group_callback(AvahiEntryGroup *g, AvahiEntryGroupState state, void *userdata) { +static void entry_group_callback(AvahiEntryGroup *g, AvahiEntryGroupState state, AVAHI_GCC_UNUSED void *userdata) { assert(g == group); /* Called whenever the entry group state changes */ @@ -127,7 +128,7 @@ fail: avahi_simple_poll_quit(simple_poll); } -static void client_callback(AvahiClient *c, AvahiClientState state, void * userdata) { +static void client_callback(AvahiClient *c, AvahiClientState state, AVAHI_GCC_UNUSED void * userdata) { assert(c); /* Called whenever the client or server state changes */ @@ -150,24 +151,45 @@ static void client_callback(AvahiClient *c, AvahiClientState state, void * userd avahi_entry_group_reset(group); break; - case AVAHI_CLIENT_DISCONNECTED: - - fprintf(stderr, "Server connection terminated.\n"); + case AVAHI_CLIENT_FAILURE: + + fprintf(stderr, "Client failure: %s\n", avahi_strerror(avahi_client_errno(c))); avahi_simple_poll_quit(simple_poll); - + break; - case AVAHI_CLIENT_S_FAILURE: - case AVAHI_CLIENT_S_INVALID: + case AVAHI_CLIENT_CONNECTING: case AVAHI_CLIENT_S_REGISTERING: ; } } -int main(int argc, char*argv[]) { +static void modify_callback(AVAHI_GCC_UNUSED AvahiTimeout *e, void *userdata) { + AvahiClient *client = userdata; + + fprintf(stderr, "Doing some weird modification\n"); + + avahi_free(name); + name = avahi_strdup("Modified MegaPrinter"); + + /* If the server is currently running, we need to remove our + * service and create it anew */ + if (avahi_client_get_state(client) == AVAHI_CLIENT_S_RUNNING) { + + /* Remove the old services */ + if (group) + avahi_entry_group_reset(group); + + /* And create them again with the new name */ + create_services(client); + } +} + +int main(AVAHI_GCC_UNUSED int argc, AVAHI_GCC_UNUSED char*argv[]) { AvahiClient *client = NULL; int error; int ret = 1; + struct timeval tv; /* Allocate main loop object */ if (!(simple_poll = avahi_simple_poll_new())) { @@ -178,7 +200,7 @@ int main(int argc, char*argv[]) { name = avahi_strdup("MegaPrinter"); /* Allocate a new client */ - client = avahi_client_new(avahi_simple_poll_get(simple_poll), client_callback, NULL, &error); + client = avahi_client_new(avahi_simple_poll_get(simple_poll), 0, client_callback, NULL, &error); /* Check wether creating the client object succeeded */ if (!client) { @@ -186,6 +208,13 @@ int main(int argc, char*argv[]) { goto fail; } + /* After 20s do some weird modification to the service */ + avahi_simple_poll_get(simple_poll)->timeout_new( + avahi_simple_poll_get(simple_poll), + avahi_elapse_time(&tv, 1000*10, 0), + modify_callback, + client); + /* Run the main loop */ avahi_simple_poll_loop(simple_poll);