4 #include <glade/glade.h>
5 #include <avahi-core/core.h>
6 #include <avahi-common/strlst.h>
11 struct ServiceType *service_type;
18 GtkTreeRowReference *tree_ref;
23 AvahiServiceBrowser *browser;
26 GtkTreeRowReference *tree_ref;
29 static GtkWidget *main_window = NULL;
30 static GtkTreeView *tree_view = NULL;
31 static GtkTreeStore *tree_store = NULL;
32 static GtkLabel *info_label = NULL;
33 static AvahiServer *server = NULL;
34 static AvahiServiceTypeBrowser *service_type_browser = NULL;
35 static GHashTable *service_type_hash_table = NULL;
36 static AvahiServiceResolver *service_resolver = NULL;
37 static struct Service *current_service = NULL;
39 /* very, very ugly: just import these two internal but useful functions from libavahi-core by hand */
40 guint avahi_domain_hash(const gchar *s);
41 gboolean avahi_domain_equal(const gchar *a, const gchar *b);
43 static struct Service *get_service(const gchar *service_type, const gchar *service_name, const gchar*domain_name, gint interface, guchar protocol) {
44 struct ServiceType *st;
47 if (!(st = g_hash_table_lookup(service_type_hash_table, service_type)))
50 for (l = st->services; l; l = l->next) {
51 struct Service *s = l->data;
53 if (s->interface == interface &&
54 s->protocol == protocol &&
55 avahi_domain_equal(s->service_name, service_name) &&
56 avahi_domain_equal(s->domain_name, domain_name))
63 static void free_service(struct Service *s) {
67 if (current_service == s) {
68 current_service = NULL;
70 if (service_resolver) {
71 avahi_service_resolver_free(service_resolver);
72 service_resolver = NULL;
75 gtk_label_set_text(info_label, "<i>Service removed</i>");
78 s->service_type->services = g_list_remove(s->service_type->services, s);
80 path = gtk_tree_row_reference_get_path(s->tree_ref);
81 gtk_tree_model_get_iter(GTK_TREE_MODEL(tree_store), &iter, path);
82 gtk_tree_path_free(path);
84 gtk_tree_store_remove(tree_store, &iter);
86 gtk_tree_row_reference_free(s->tree_ref);
88 g_free(s->service_name);
89 g_free(s->domain_name);
93 static void service_browser_callback(AvahiServiceBrowser *b, gint interface, guchar protocol, AvahiBrowserEvent event, const gchar *service_name, const gchar *service_type, const gchar *domain_name, gpointer userdata) {
95 if (event == AVAHI_BROWSER_NEW) {
97 GtkTreeIter iter, piter;
98 GtkTreePath *path, *ppath;
101 s = g_new(struct Service, 1);
102 s->service_name = g_strdup(service_name);
103 s->domain_name = g_strdup(domain_name);
104 s->interface = interface;
105 s->protocol = protocol;
106 s->service_type = g_hash_table_lookup(service_type_hash_table, service_type);
107 g_assert(s->service_type);
109 s->service_type->services = g_list_prepend(s->service_type->services, s);
111 ppath = gtk_tree_row_reference_get_path(s->service_type->tree_ref);
112 gtk_tree_model_get_iter(GTK_TREE_MODEL(tree_store), &piter, ppath);
114 snprintf(iface, sizeof(iface), "#%i %s", interface, protocol == AF_INET ? "IPv4" : "IPv6");
116 gtk_tree_store_append(tree_store, &iter, &piter);
117 gtk_tree_store_set(tree_store, &iter, 0, s->service_name, 1, iface, 2, s, -1);
119 path = gtk_tree_model_get_path(GTK_TREE_MODEL(tree_store), &iter);
120 s->tree_ref = gtk_tree_row_reference_new(GTK_TREE_MODEL(tree_store), path);
121 gtk_tree_path_free(path);
123 gtk_tree_view_expand_row(tree_view, ppath, FALSE);
124 gtk_tree_path_free(ppath);
127 } else if (event == AVAHI_BROWSER_REMOVE) {
130 if ((s = get_service(service_type, service_name, domain_name, interface, protocol)))
135 static void service_type_browser_callback(AvahiServiceTypeBrowser *b, gint interface, guchar protocol, AvahiBrowserEvent event, const gchar *service_type, const gchar *domain, gpointer userdata) {
136 struct ServiceType *st;
140 if (event != AVAHI_BROWSER_NEW)
143 if (g_hash_table_lookup(service_type_hash_table, service_type))
146 st = g_new(struct ServiceType, 1);
147 st->service_type = g_strdup(service_type);
150 gtk_tree_store_append(tree_store, &iter, NULL);
151 gtk_tree_store_set(tree_store, &iter, 0, st->service_type, 1, "", 2, NULL, -1);
153 path = gtk_tree_model_get_path(GTK_TREE_MODEL(tree_store), &iter);
154 st->tree_ref = gtk_tree_row_reference_new(GTK_TREE_MODEL(tree_store), path);
155 gtk_tree_path_free(path);
157 g_hash_table_insert(service_type_hash_table, st->service_type, st);
159 st->browser = avahi_service_browser_new(server, -1, AF_UNSPEC, st->service_type, domain, service_browser_callback, NULL);
162 static void update_label(struct Service *s, const gchar *hostname, const AvahiAddress *a, guint16 port, AvahiStringList *txt) {
163 gchar t[512], address[64], *txt_s;
167 avahi_address_snprint(na, sizeof(na), a);
168 snprintf(address, sizeof(address), "%s/%s:%u", hostname, na, port);
169 txt_s = avahi_string_list_to_string(txt);
171 snprintf(address, sizeof(address), "<i>n/a</i>");
172 txt_s = g_strdup("<i>n/a</i>");
175 snprintf(t, sizeof(t),
176 "<b>Service Type:</b> %s\n"
177 "<b>Service Name:</b> %s\n"
178 "<b>Domain Name:</b> %s\n"
179 "<b>Interface:</b> %i %s\n"
180 "<b>Address:</b> %s\n"
181 "<b>TXT Data:</b> %s",
182 s->service_type->service_type,
186 s->protocol == AF_INET ? "IPv4" : "IPv6",
190 gtk_label_set_markup(info_label, t);
195 static struct Service *get_service_on_cursor(void) {
200 gtk_tree_view_get_cursor(tree_view, &path, NULL);
201 gtk_tree_model_get_iter(GTK_TREE_MODEL(tree_store), &iter, path);
202 gtk_tree_model_get(GTK_TREE_MODEL(tree_store), &iter, 2, &s, -1);
203 gtk_tree_path_free(path);
209 static void service_resolver_callback(AvahiServiceResolver *r, gint interface, guchar protocol, AvahiResolverEvent event, const gchar *name, const gchar *type, const gchar *domain, const gchar *host_name, const AvahiAddress *a, guint16 port, AvahiStringList *txt, gpointer userdata) {
213 if (!(s = get_service_on_cursor()) || userdata != s) {
214 g_assert(r == service_resolver);
215 avahi_service_resolver_free(service_resolver);
216 service_resolver = NULL;
219 if (event == AVAHI_RESOLVER_TIMEOUT)
220 gtk_label_set_text(info_label, "<i>Failed to resolve.</i>");
222 update_label(s, host_name, a, port, txt);
225 static void tree_view_on_cursor_changed(GtkTreeView *tv, gpointer userdata) {
228 if (!(s = get_service_on_cursor()))
231 if (service_resolver)
232 avahi_service_resolver_free(service_resolver);
234 update_label(s, NULL, NULL, 0, NULL);
236 service_resolver = avahi_service_resolver_new(server, s->interface, s->protocol, s->service_name, s->service_type->service_type, s->domain_name, AF_UNSPEC, service_resolver_callback, s);
239 gboolean main_window_on_delete_event(GtkWidget *widget, GdkEvent *event, gpointer user_data) {
244 int main(int argc, char *argv[]) {
246 AvahiServerConfig config;
247 GtkTreeViewColumn *c;
249 gtk_init(&argc, &argv);
252 xml = glade_xml_new("avahi-discover.glade", NULL, NULL);
253 main_window = glade_xml_get_widget(xml, "main_window");
254 g_signal_connect(main_window, "delete-event", (GCallback) main_window_on_delete_event, NULL);
256 tree_view = GTK_TREE_VIEW(glade_xml_get_widget(xml, "tree_view"));
257 g_signal_connect(GTK_WIDGET(tree_view), "cursor-changed", (GCallback) tree_view_on_cursor_changed, NULL);
259 info_label = GTK_LABEL(glade_xml_get_widget(xml, "info_label"));
261 tree_store = gtk_tree_store_new(3, G_TYPE_STRING, G_TYPE_STRING, G_TYPE_POINTER);
262 gtk_tree_view_set_model(tree_view, GTK_TREE_MODEL(tree_store));
263 gtk_tree_view_insert_column_with_attributes(tree_view, -1, "Name", gtk_cell_renderer_text_new(), "text", 0, NULL);
264 gtk_tree_view_insert_column_with_attributes(tree_view, -1, "Interface", gtk_cell_renderer_text_new(), "text", 1, NULL);
266 gtk_tree_view_column_set_resizable(c = gtk_tree_view_get_column(tree_view, 0), TRUE);
267 gtk_tree_view_column_set_sizing(c, GTK_TREE_VIEW_COLUMN_GROW_ONLY);
268 gtk_tree_view_column_set_expand(c, TRUE);
270 service_type_hash_table = g_hash_table_new((GHashFunc) avahi_domain_hash, (GEqualFunc) avahi_domain_equal);
272 avahi_server_config_init(&config);
273 config.register_hinfo = config.register_addresses = config.announce_domain = config.register_workstation = FALSE;
274 server = avahi_server_new(NULL, &config, NULL, NULL);
275 avahi_server_config_free(&config);
277 service_type_browser = avahi_service_type_browser_new(server, -1, AF_UNSPEC, argc >= 2 ? argv[1] : NULL, service_type_browser_callback, NULL);
281 avahi_server_free(server);