8 #include <glade/glade.h>
9 #include <avahi-core/core.h>
10 #include <avahi-common/strlst.h>
15 struct ServiceType *service_type;
22 GtkTreeRowReference *tree_ref;
27 AvahiServiceBrowser *browser;
30 GtkTreeRowReference *tree_ref;
33 static GtkWidget *main_window = NULL;
34 static GtkTreeView *tree_view = NULL;
35 static GtkTreeStore *tree_store = NULL;
36 static GtkLabel *info_label = NULL;
37 static AvahiServer *server = NULL;
38 static AvahiServiceTypeBrowser *service_type_browser = NULL;
39 static GHashTable *service_type_hash_table = NULL;
40 static AvahiServiceResolver *service_resolver = NULL;
41 static struct Service *current_service = NULL;
43 /* very, very ugly: just import these two internal but useful functions from libavahi-core by hand */
44 guint avahi_domain_hash(const gchar *s);
45 gboolean avahi_domain_equal(const gchar *a, const gchar *b);
47 static struct Service *get_service(const gchar *service_type, const gchar *service_name, const gchar*domain_name, gint interface, guchar protocol) {
48 struct ServiceType *st;
51 if (!(st = g_hash_table_lookup(service_type_hash_table, service_type)))
54 for (l = st->services; l; l = l->next) {
55 struct Service *s = l->data;
57 if (s->interface == interface &&
58 s->protocol == protocol &&
59 avahi_domain_equal(s->service_name, service_name) &&
60 avahi_domain_equal(s->domain_name, domain_name))
67 static void free_service(struct Service *s) {
71 if (current_service == s) {
72 current_service = NULL;
74 if (service_resolver) {
75 avahi_service_resolver_free(service_resolver);
76 service_resolver = NULL;
79 gtk_label_set_text(info_label, "<i>Service removed</i>");
82 s->service_type->services = g_list_remove(s->service_type->services, s);
84 path = gtk_tree_row_reference_get_path(s->tree_ref);
85 gtk_tree_model_get_iter(GTK_TREE_MODEL(tree_store), &iter, path);
86 gtk_tree_path_free(path);
88 gtk_tree_store_remove(tree_store, &iter);
90 gtk_tree_row_reference_free(s->tree_ref);
92 g_free(s->service_name);
93 g_free(s->domain_name);
97 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) {
99 if (event == AVAHI_BROWSER_NEW) {
101 GtkTreeIter iter, piter;
102 GtkTreePath *path, *ppath;
105 s = g_new(struct Service, 1);
106 s->service_name = g_strdup(service_name);
107 s->domain_name = g_strdup(domain_name);
108 s->interface = interface;
109 s->protocol = protocol;
110 s->service_type = g_hash_table_lookup(service_type_hash_table, service_type);
111 g_assert(s->service_type);
113 s->service_type->services = g_list_prepend(s->service_type->services, s);
115 ppath = gtk_tree_row_reference_get_path(s->service_type->tree_ref);
116 gtk_tree_model_get_iter(GTK_TREE_MODEL(tree_store), &piter, ppath);
118 snprintf(iface, sizeof(iface), "#%i %s", interface, protocol == AF_INET ? "IPv4" : "IPv6");
120 gtk_tree_store_append(tree_store, &iter, &piter);
121 gtk_tree_store_set(tree_store, &iter, 0, s->service_name, 1, iface, 2, s, -1);
123 path = gtk_tree_model_get_path(GTK_TREE_MODEL(tree_store), &iter);
124 s->tree_ref = gtk_tree_row_reference_new(GTK_TREE_MODEL(tree_store), path);
125 gtk_tree_path_free(path);
127 gtk_tree_view_expand_row(tree_view, ppath, FALSE);
128 gtk_tree_path_free(ppath);
131 } else if (event == AVAHI_BROWSER_REMOVE) {
134 if ((s = get_service(service_type, service_name, domain_name, interface, protocol)))
139 static void service_type_browser_callback(AvahiServiceTypeBrowser *b, gint interface, guchar protocol, AvahiBrowserEvent event, const gchar *service_type, const gchar *domain, gpointer userdata) {
140 struct ServiceType *st;
144 if (event != AVAHI_BROWSER_NEW)
147 if (g_hash_table_lookup(service_type_hash_table, service_type))
150 st = g_new(struct ServiceType, 1);
151 st->service_type = g_strdup(service_type);
154 gtk_tree_store_append(tree_store, &iter, NULL);
155 gtk_tree_store_set(tree_store, &iter, 0, st->service_type, 1, "", 2, NULL, -1);
157 path = gtk_tree_model_get_path(GTK_TREE_MODEL(tree_store), &iter);
158 st->tree_ref = gtk_tree_row_reference_new(GTK_TREE_MODEL(tree_store), path);
159 gtk_tree_path_free(path);
161 g_hash_table_insert(service_type_hash_table, st->service_type, st);
163 st->browser = avahi_service_browser_new(server, -1, AF_UNSPEC, st->service_type, domain, service_browser_callback, NULL);
166 static void update_label(struct Service *s, const gchar *hostname, const AvahiAddress *a, guint16 port, AvahiStringList *txt) {
167 gchar t[512], address[64], *txt_s;
171 avahi_address_snprint(na, sizeof(na), a);
172 snprintf(address, sizeof(address), "%s/%s:%u", hostname, na, port);
173 txt_s = avahi_string_list_to_string(txt);
175 snprintf(address, sizeof(address), "<i>n/a</i>");
176 txt_s = g_strdup("<i>n/a</i>");
179 snprintf(t, sizeof(t),
180 "<b>Service Type:</b> %s\n"
181 "<b>Service Name:</b> %s\n"
182 "<b>Domain Name:</b> %s\n"
183 "<b>Interface:</b> %i %s\n"
184 "<b>Address:</b> %s\n"
185 "<b>TXT Data:</b> %s",
186 s->service_type->service_type,
190 s->protocol == AF_INET ? "IPv4" : "IPv6",
194 gtk_label_set_markup(info_label, t);
199 static struct Service *get_service_on_cursor(void) {
204 gtk_tree_view_get_cursor(tree_view, &path, NULL);
205 gtk_tree_model_get_iter(GTK_TREE_MODEL(tree_store), &iter, path);
206 gtk_tree_model_get(GTK_TREE_MODEL(tree_store), &iter, 2, &s, -1);
207 gtk_tree_path_free(path);
213 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) {
217 if (!(s = get_service_on_cursor()) || userdata != s) {
218 g_assert(r == service_resolver);
219 avahi_service_resolver_free(service_resolver);
220 service_resolver = NULL;
223 if (event == AVAHI_RESOLVER_TIMEOUT)
224 gtk_label_set_markup(info_label, "<i>Failed to resolve.</i>");
226 update_label(s, host_name, a, port, txt);
229 static void tree_view_on_cursor_changed(GtkTreeView *tv, gpointer userdata) {
232 if (!(s = get_service_on_cursor()))
235 if (service_resolver)
236 avahi_service_resolver_free(service_resolver);
238 update_label(s, NULL, NULL, 0, NULL);
240 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);
243 gboolean main_window_on_delete_event(GtkWidget *widget, GdkEvent *event, gpointer user_data) {
248 int main(int argc, char *argv[]) {
250 AvahiServerConfig config;
251 GtkTreeViewColumn *c;
253 gtk_init(&argc, &argv);
256 xml = glade_xml_new(AVAHI_INTERFACES_DIR"avahi-discover.glade", NULL, NULL);
257 main_window = glade_xml_get_widget(xml, "main_window");
258 g_signal_connect(main_window, "delete-event", (GCallback) main_window_on_delete_event, NULL);
260 tree_view = GTK_TREE_VIEW(glade_xml_get_widget(xml, "tree_view"));
261 g_signal_connect(GTK_WIDGET(tree_view), "cursor-changed", (GCallback) tree_view_on_cursor_changed, NULL);
263 info_label = GTK_LABEL(glade_xml_get_widget(xml, "info_label"));
265 tree_store = gtk_tree_store_new(3, G_TYPE_STRING, G_TYPE_STRING, G_TYPE_POINTER);
266 gtk_tree_view_set_model(tree_view, GTK_TREE_MODEL(tree_store));
267 gtk_tree_view_insert_column_with_attributes(tree_view, -1, "Name", gtk_cell_renderer_text_new(), "text", 0, NULL);
268 gtk_tree_view_insert_column_with_attributes(tree_view, -1, "Interface", gtk_cell_renderer_text_new(), "text", 1, NULL);
270 gtk_tree_view_column_set_resizable(c = gtk_tree_view_get_column(tree_view, 0), TRUE);
271 gtk_tree_view_column_set_sizing(c, GTK_TREE_VIEW_COLUMN_GROW_ONLY);
272 gtk_tree_view_column_set_expand(c, TRUE);
274 service_type_hash_table = g_hash_table_new((GHashFunc) avahi_domain_hash, (GEqualFunc) avahi_domain_equal);
276 avahi_server_config_init(&config);
277 config.publish_hinfo = config.publish_addresses = config.publish_domain = config.publish_workstation = FALSE;
278 server = avahi_server_new(NULL, &config, NULL, NULL);
279 avahi_server_config_free(&config);
281 service_type_browser = avahi_service_type_browser_new(server, -1, AF_UNSPEC, argc >= 2 ? argv[1] : NULL, service_type_browser_callback, NULL);
285 avahi_server_free(server);