X-Git-Url: http://git.meshlink.io/?a=blobdiff_plain;f=examples%2Fclient-browse-services.c;h=b4e34115f74e50f659cbd59d2aaf7ce68e5f807d;hb=c75a6b480b047abc73ee7afd912aef249e9da8e3;hp=75379405021c174eea40161e331e4e73d342a514;hpb=5e381961004ca0075e5b48a1cf12d86d5177d734;p=catta diff --git a/examples/client-browse-services.c b/examples/client-browse-services.c index 7537940..b4e3411 100644 --- a/examples/client-browse-services.c +++ b/examples/client-browse-services.c @@ -47,33 +47,46 @@ static void resolve_callback( const AvahiAddress *address, uint16_t port, AvahiStringList *txt, + AvahiLookupResultFlags flags, void* userdata) { assert(r); /* Called whenever a service has been resolved successfully or timed out */ - if (event == AVAHI_RESOLVER_TIMEOUT) - fprintf(stderr, "Failed to resolve service '%s' of type '%s' in domain '%s'.\n", name, type, domain); - else { - char a[128], *t; - - assert(event == AVAHI_RESOLVER_FOUND); - - fprintf(stderr, "Service '%s' of type '%s' in domain '%s':\n", name, type, domain); - - avahi_address_snprint(a, sizeof(a), address); - t = avahi_string_list_to_string(txt); - fprintf(stderr, - "\t%s:%u (%s)\n" - "\tTXT=%s\n" - "\tcookie is %u\n" - "\tis_local: %i\n", - host_name, port, a, - t, - avahi_string_list_get_service_cookie(txt), - avahi_client_is_service_local(avahi_service_resolver_get_client(r), interface, protocol, name, type, domain)); - avahi_free(t); + switch (event) { + case AVAHI_RESOLVER_TIMEOUT: + case AVAHI_RESOLVER_NOT_FOUND: + case AVAHI_RESOLVER_FAILURE: + fprintf(stderr, "(Resolver) Failed to resolve service '%s' of type '%s' in domain '%s': %s\n", name, type, domain, + event == AVAHI_RESOLVER_TIMEOUT ? "TIMEOUT" : (event == AVAHI_RESOLVER_NOT_FOUND ? "NOT_FOUND" : "FAILURE")); + + + case AVAHI_RESOLVER_FOUND: { + char a[128], *t; + + fprintf(stderr, "Service '%s' of type '%s' in domain '%s':\n", name, type, domain); + + avahi_address_snprint(a, sizeof(a), address); + t = avahi_string_list_to_string(txt); + fprintf(stderr, + "\t%s:%u (%s)\n" + "\tTXT=%s\n" + "\tcookie is %u\n" + "\tis_local: %i\n" + "\twide_area: %i\n" + "\tmulticast: %i\n" + "\tcached: %i\n", + host_name, port, a, + t, + avahi_string_list_get_service_cookie(txt), + avahi_client_is_service_local(avahi_service_resolver_get_client(r), interface, protocol, name, type, domain), + !!(flags & AVAHI_LOOKUP_RESULT_WIDE_AREA), + !!(flags & AVAHI_LOOKUP_RESULT_MULTICAST), + !!(flags & AVAHI_LOOKUP_RESULT_CACHED)); + + avahi_free(t); + } } avahi_service_resolver_free(r); @@ -87,6 +100,7 @@ static void browse_callback( const char *name, const char *type, const char *domain, + AvahiLookupResultFlags flags, void* userdata) { AvahiClient *c = userdata; @@ -94,21 +108,37 @@ static void browse_callback( /* Called whenever a new services becomes available on the LAN or is removed from the LAN */ - fprintf(stderr, "%s: service '%s' of type '%s' in domain '%s'\n", - event == AVAHI_BROWSER_NEW ? "NEW" : "REMOVED", - name, - type, - domain); - - /* If it's new, let's resolve it */ - if (event == AVAHI_BROWSER_NEW) - - /* We ignore the returned resolver object. In the callback function - we free it. If the server is terminated before the callback - function is called the server will free the resolver for us. */ - - if (!(avahi_service_resolver_new(c, interface, protocol, name, type, domain, AVAHI_PROTO_UNSPEC, resolve_callback, c))) - fprintf(stderr, "Failed to resolve service '%s': %s\n", name, avahi_strerror(avahi_client_errno(c))); + switch (event) { + case AVAHI_BROWSER_FAILURE: + case AVAHI_BROWSER_NOT_FOUND: + + fprintf(stderr, "(Browser) %s\n", event == AVAHI_BROWSER_FAILURE ? "FAILURE" : "NOT_FOUND"); + avahi_simple_poll_quit(simple_poll); + return; + + case AVAHI_BROWSER_NEW: + fprintf(stderr, "(Browser) NEW: service '%s' of type '%s' in domain '%s'\n", name, type, domain); + + /* We ignore the returned resolver object. In the callback + function we free it. If the server is terminated before + the callback function is called the server will free + the resolver for us. */ + + if (!(avahi_service_resolver_new(c, interface, protocol, name, type, domain, AVAHI_PROTO_UNSPEC, 0, resolve_callback, c))) + fprintf(stderr, "Failed to resolve service '%s': %s\n", name, avahi_strerror(avahi_client_errno(c))); + + break; + + case AVAHI_BROWSER_REMOVE: + fprintf(stderr, "(Browser) REMOVE: service '%s' of type '%s' in domain '%s'\n", name, type, domain); + break; + + case AVAHI_BROWSER_ALL_FOR_NOW: + case AVAHI_BROWSER_CACHE_EXHAUSTED: + fprintf(stderr, "(Browser) %s\n", event == AVAHI_BROWSER_CACHE_EXHAUSTED ? "CACHE_EXHAUSTED" : "ALL_FOR_NOW"); + break; + + } } static void client_callback(AvahiClient *c, AvahiClientState state, void * userdata) { @@ -124,7 +154,7 @@ static void client_callback(AvahiClient *c, AvahiClientState state, void * userd int main(int argc, char*argv[]) { AvahiClient *client = NULL; - AvahiServiceBrowser *sb; + AvahiServiceBrowser *sb = NULL; int error; int ret = 1; @@ -144,7 +174,7 @@ int main(int argc, char*argv[]) { } /* Create the service browser */ - if (!(sb = avahi_service_browser_new(client, AVAHI_IF_UNSPEC, AVAHI_PROTO_UNSPEC, "_http._tcp", NULL, browse_callback, client))) { + if (!(sb = avahi_service_browser_new(client, AVAHI_IF_UNSPEC, AVAHI_PROTO_UNSPEC, "_http._tcp", NULL, 0, browse_callback, client))) { fprintf(stderr, "Failed to create service browser: %s\n", avahi_strerror(avahi_client_errno(client))); goto fail; }