--- /dev/null
+/* $Id$ */
+
+/***
+ 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
+ USA.
+***/
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <time.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <assert.h>
+
+#include <avahi-core/core.h>
+#include <avahi-common/simple-watch.h>
+#include <avahi-common/malloc.h>
+
+static AvahiSEntryGroup *group = NULL;
+static AvahiSimplePoll *simple_poll = NULL;
+static char *name = NULL;
+
+static void create_services(AvahiServer *s);
+
+static void entry_group_callback(AvahiServer *s, AvahiSEntryGroup *g, AvahiEntryGroupState state, 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;
+
+ /* 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);
+ }
+}
+
+static void create_services(AvahiServer *s) {
+ char r[128];
+ int ret;
+ assert(s);
+
+ /* If this is the first time we're called, let's create a new entry 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) {
+ 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) {
+ fprintf(stderr, "Failed to add _printer._tcp service: %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));
+ goto fail;
+ }
+
+ return;
+
+fail:
+ avahi_simple_poll_quit(simple_poll);
+ return;
+}
+
+static void server_callback(AvahiServer *s, AvahiServerState state, 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));
+
+ 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);
+ }
+}
+
+int main(int argc, char*argv[]) {
+ AvahiServerConfig config;
+ AvahiServer *server = NULL;
+ int error;
+ int ret = 1;
+
+ /* Initialize the pseudo-RNG */
+ srand(time(NULL));
+
+ /* Allocate main loop object */
+ if (!(simple_poll = avahi_simple_poll_new())) {
+ 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);
+
+ /* Free the configuration data */
+ avahi_server_config_free(&config);
+
+ /* Check wether creating the server object succeeded */
+ if (!server) {
+ 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;
+
+ ret = 0;
+
+fail:
+
+ /* Cleanup things */
+ if (group)
+ avahi_s_entry_group_free(group);
+
+ if (server)
+ avahi_server_free(server);
+
+ if (simple_poll)
+ avahi_simple_poll_free(simple_poll);
+
+ avahi_free(name);
+
+ return ret;
+}
projects / catta / blobdiff