-/* $Id$ */
-
/***
This file is part of avahi.
-
+
avahi is free software; you can redistribute it and/or modify it
under the terms of the GNU Lesser General Public License as
published by the Free Software Foundation; either version 2.1 of the
License, or (at your option) any later version.
-
+
avahi is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General
Public License for more details.
-
+
You should have received a copy of the GNU Lesser General Public
License along with avahi; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
#include <assert.h>
#include <avahi-core/core.h>
+#include <avahi-core/publish.h>
#include <avahi-common/simple-watch.h>
#include <avahi-common/malloc.h>
+#include <avahi-common/alternative.h>
+#include <avahi-common/error.h>
static AvahiSEntryGroup *group = NULL;
static AvahiSimplePoll *simple_poll = NULL;
static void create_services(AvahiServer *s);
-static void entry_group_callback(AvahiServer *s, AvahiSEntryGroup *g, AvahiEntryGroupState state, void *userdata) {
+static void entry_group_callback(AvahiServer *s, AvahiSEntryGroup *g, AvahiEntryGroupState state, AVAHI_GCC_UNUSED void *userdata) {
assert(s);
assert(g == group);
/* Called whenever the entry group state changes */
- if (state == AVAHI_ENTRY_GROUP_ESTABLISHED)
- /* The entry group has been established successfully */
- fprintf(stderr, "Service '%s' successfully established.\n", name);
-
- else if (state == AVAHI_ENTRY_GROUP_COLLISION) {
- char *n;
+ switch (state) {
+
+ case AVAHI_ENTRY_GROUP_ESTABLISHED:
+
+ /* The entry group has been established successfully */
+ fprintf(stderr, "Service '%s' successfully established.\n", name);
+ break;
+
+ case AVAHI_ENTRY_GROUP_COLLISION: {
+ char *n;
+
+ /* A service name collision happened. Let's pick a new name */
+ n = avahi_alternative_service_name(name);
+ avahi_free(name);
+ name = n;
+
+ fprintf(stderr, "Service name collision, renaming service to '%s'\n", name);
+
+ /* And recreate the services */
+ create_services(s);
+ break;
+ }
- /* A service name collision happened. Let's pick a new name */
- n = avahi_alternative_service_name(name);
- avahi_free(name);
- name = n;
+ case AVAHI_ENTRY_GROUP_FAILURE :
- fprintf(stderr, "Service name collision, renaming service to '%s'\n", name);
+ fprintf(stderr, "Entry group failure: %s\n", avahi_strerror(avahi_server_errno(s)));
- /* And recreate the services */
- create_services(s);
+ /* Some kind of failure happened while we were registering our services */
+ avahi_simple_poll_quit(simple_poll);
+ break;
+
+ case AVAHI_ENTRY_GROUP_UNCOMMITED:
+ case AVAHI_ENTRY_GROUP_REGISTERING:
+ ;
}
}
assert(s);
/* If this is the first time we're called, let's create a new entry group */
- if (!group) {
+ if (!group)
if (!(group = avahi_s_entry_group_new(s, entry_group_callback, NULL))) {
fprintf(stderr, "avahi_entry_group_new() failed: %s\n", avahi_strerror(avahi_server_errno(s)));
goto fail;
}
- }
-
+
fprintf(stderr, "Adding service '%s'\n", name);
/* Create some random TXT data */
snprintf(r, sizeof(r), "random=%i", rand());
/* Add the service for IPP */
- if ((ret = avahi_server_add_service(s, group, AVAHI_IF_UNSPEC, AVAHI_PROTO_UNSPEC, name, "_ipp._tcp", NULL, NULL, 651, "test=blah", r, NULL)) < 0) {
+ if ((ret = avahi_server_add_service(s, group, AVAHI_IF_UNSPEC, AVAHI_PROTO_UNSPEC, 0, name, "_ipp._tcp", NULL, NULL, 651, "test=blah", r, NULL)) < 0) {
fprintf(stderr, "Failed to add _ipp._tcp service: %s\n", avahi_strerror(ret));
goto fail;
}
/* Add the same service for BSD LPR */
- if ((ret = avahi_server_add_service(s, group, AVAHI_IF_UNSPEC, AVAHI_PROTO_UNSPEC, name, "_printer._tcp", NULL, NULL, 515, NULL)) < 0) {
+ if ((ret = avahi_server_add_service(s, group, AVAHI_IF_UNSPEC, AVAHI_PROTO_UNSPEC, 0, name, "_printer._tcp", NULL, NULL, 515, NULL)) < 0) {
fprintf(stderr, "Failed to add _printer._tcp service: %s\n", avahi_strerror(ret));
goto fail;
}
+ /* Add an additional (hypothetic) subtype */
+ if ((ret = avahi_server_add_service_subtype(s, group, AVAHI_IF_UNSPEC, AVAHI_PROTO_UNSPEC, 0, name, "_printer._tcp", NULL, "_magic._sub._printer._tcp") < 0)) {
+ fprintf(stderr, "Failed to add subtype _magic._sub._printer._tcp: %s\n", avahi_strerror(ret));
+ goto fail;
+ }
+
/* Tell the server to register the service */
if ((ret = avahi_s_entry_group_commit(group)) < 0) {
fprintf(stderr, "Failed to commit entry_group: %s\n", avahi_strerror(ret));
fail:
avahi_simple_poll_quit(simple_poll);
- return;
}
-static void server_callback(AvahiServer *s, AvahiServerState state, void * userdata) {
+static void server_callback(AvahiServer *s, AvahiServerState state, AVAHI_GCC_UNUSED void * userdata) {
assert(s);
/* Called whenever the server state changes */
- if (state == AVAHI_SERVER_RUNNING)
- /* The serve has startup successfully and registered its host
- * name on the network, so it's time to create our services */
- create_services(s);
-
- else if (state == AVAHI_SERVER_COLLISION) {
- char *n;
- int r;
-
- /* A host name collision happened. Let's pick a new name for the server */
- n = avahi_alternative_host_name(avahi_server_get_host_name(s));
- fprintf(stderr, "Host name collision, retrying with '%s'\n", n);
- r = avahi_server_set_host_name(s, n);
- avahi_free(n);
-
- if (r < 0) {
- fprintf(stderr, "Failed to set new host name: %s\n", avahi_strerror(r));
+ switch (state) {
+
+ case AVAHI_SERVER_RUNNING:
+ /* The serve has startup successfully and registered its host
+ * name on the network, so it's time to create our services */
+
+ if (!group)
+ create_services(s);
+
+ break;
+
+ case AVAHI_SERVER_COLLISION: {
+ char *n;
+ int r;
+
+ /* A host name collision happened. Let's pick a new name for the server */
+ n = avahi_alternative_host_name(avahi_server_get_host_name(s));
+ fprintf(stderr, "Host name collision, retrying with '%s'\n", n);
+ r = avahi_server_set_host_name(s, n);
+ avahi_free(n);
+
+ if (r < 0) {
+ fprintf(stderr, "Failed to set new host name: %s\n", avahi_strerror(r));
+
+ avahi_simple_poll_quit(simple_poll);
+ return;
+ }
- avahi_simple_poll_quit(simple_poll);
- return;
}
- /* Let's drop our registered services. When the server is back
- * in AVAHI_SERVER_RUNNING state we will register them
- * again with the new host name. */
- if (group)
- avahi_s_entry_group_reset(group);
+ /* Fall through */
+
+ case AVAHI_SERVER_REGISTERING:
+
+ /* Let's drop our registered services. When the server is back
+ * in AVAHI_SERVER_RUNNING state we will register them
+ * again with the new host name. */
+ if (group)
+ avahi_s_entry_group_reset(group);
+
+ break;
+
+ case AVAHI_SERVER_FAILURE:
+
+ /* Terminate on failure */
+
+ fprintf(stderr, "Server failure: %s\n", avahi_strerror(avahi_server_errno(s)));
+ avahi_simple_poll_quit(simple_poll);
+ break;
+
+ case AVAHI_SERVER_INVALID:
+ ;
}
}
-int main(int argc, char*argv[]) {
+int main(AVAHI_GCC_UNUSED int argc, AVAHI_GCC_UNUSED char*argv[]) {
AvahiServerConfig config;
AvahiServer *server = NULL;
int error;
int ret = 1;
-
+
/* Initialize the pseudo-RNG */
srand(time(NULL));
fprintf(stderr, "Failed to create simple poll object.\n");
goto fail;
}
-
+
name = avahi_strdup("MegaPrinter");
/* Let's set the host name for this server. */
avahi_server_config_init(&config);
config.host_name = avahi_strdup("gurkiman");
config.publish_workstation = 0;
-
+
/* Allocate a new server */
server = avahi_server_new(avahi_simple_poll_get(simple_poll), &config, server_callback, NULL, &error);
fprintf(stderr, "Failed to create server: %s\n", avahi_strerror(error));
goto fail;
}
-
+
/* Run the main loop */
- for (;;)
- if (avahi_simple_poll_iterate(simple_poll, -1) != 0)
- break;
-
+ avahi_simple_poll_loop(simple_poll);
+
ret = 0;
-
+
fail:
-
+
/* Cleanup things */
- if (group)
- avahi_s_entry_group_free(group);
if (server)
avahi_server_free(server);
avahi_simple_poll_free(simple_poll);
avahi_free(name);
-
+
return ret;
}