]> git.meshlink.io Git - catta/blobdiff - avahi-glib/ga-client.c
Merge Sjoerd Simon's Avahi/GObject patch
[catta] / avahi-glib / ga-client.c
diff --git a/avahi-glib/ga-client.c b/avahi-glib/ga-client.c
new file mode 100644 (file)
index 0000000..d34933f
--- /dev/null
@@ -0,0 +1,256 @@
+/*
+ * ga-client.c - Source for GaClient
+ * Copyright (C) 2005 Collabora Ltd.
+ *
+ * This library 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.
+ *
+ * This library 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 this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <stdio.h>
+#include <stdlib.h>
+
+#include "ga-client.h"
+
+#include "ga-client-enumtypes.h"
+#include "ga-errors.h"
+
+/* FIXME what to do about glib-malloc ? */
+#include <avahi-glib/glib-watch.h>
+#include <avahi-glib/glib-malloc.h>
+#include <avahi-common/error.h>
+#include <avahi-common/timeval.h>
+
+G_DEFINE_TYPE(GaClient, ga_client, G_TYPE_OBJECT)
+
+/* signal enum */
+enum {
+    STATE_CHANGED,
+    LAST_SIGNAL
+};
+
+static guint signals[LAST_SIGNAL] = { 0 };
+
+/* properties */
+enum {
+    PROP_STATE = 1,
+    PROP_FLAGS
+};
+
+/* private structure */
+typedef struct _GaClientPrivate GaClientPrivate;
+
+struct _GaClientPrivate {
+    AvahiGLibPoll *poll;
+    GaClientFlags flags;
+    GaClientState state;
+    gboolean dispose_has_run;
+};
+
+#define GA_CLIENT_GET_PRIVATE(o)     (G_TYPE_INSTANCE_GET_PRIVATE ((o), GA_TYPE_CLIENT, GaClientPrivate))
+
+static void ga_client_init(GaClient * self) {
+    GaClientPrivate *priv = GA_CLIENT_GET_PRIVATE(self);
+    /* allocate any data required by the object here */
+    self->avahi_client = NULL;
+    priv->state = GA_CLIENT_STATE_NOT_STARTED;
+    priv->flags = GA_CLIENT_FLAG_NO_FLAGS;
+}
+
+static void ga_client_dispose(GObject * object);
+static void ga_client_finalize(GObject * object);
+
+static void ga_client_set_property(GObject * object,
+                       guint property_id,
+                       const GValue * value, GParamSpec * pspec) {
+    GaClient *client = GA_CLIENT(object);
+    GaClientPrivate *priv = GA_CLIENT_GET_PRIVATE(client);
+
+    switch (property_id) {
+        case PROP_FLAGS:
+            g_assert(client->avahi_client == NULL);
+            priv->flags = g_value_get_enum(value);
+            break;
+        default:
+            G_OBJECT_WARN_INVALID_PROPERTY_ID(object, property_id, pspec);
+            break;
+    }
+}
+
+static void ga_client_get_property(GObject * object,
+                       guint property_id,
+                       GValue * value, GParamSpec * pspec) {
+    GaClient *client = GA_CLIENT(object);
+    GaClientPrivate *priv = GA_CLIENT_GET_PRIVATE(client);
+
+    switch (property_id) {
+        case PROP_STATE:
+            g_value_set_enum(value, priv->state);
+            break;
+        case PROP_FLAGS:
+            g_value_set_enum(value, priv->flags);
+        default:
+            G_OBJECT_WARN_INVALID_PROPERTY_ID(object, property_id, pspec);
+            break;
+    }
+}
+
+static void ga_client_class_init(GaClientClass * ga_client_class) {
+    GObjectClass *object_class = G_OBJECT_CLASS(ga_client_class);
+    GParamSpec *param_spec;
+
+    g_type_class_add_private(ga_client_class, sizeof (GaClientPrivate));
+
+
+    object_class->dispose = ga_client_dispose;
+    object_class->finalize = ga_client_finalize;
+
+    object_class->set_property = ga_client_set_property;
+    object_class->get_property = ga_client_get_property;
+
+    param_spec = g_param_spec_enum("state", "Client state",
+                                   "The state of the Avahi client",
+                                   GA_TYPE_CLIENT_STATE,
+                                   GA_CLIENT_STATE_NOT_STARTED,
+                                   G_PARAM_READABLE |
+                                   G_PARAM_STATIC_NAME |
+                                   G_PARAM_STATIC_BLURB);
+    g_object_class_install_property(object_class, PROP_STATE, param_spec);
+
+    param_spec = g_param_spec_enum("flags", "Client flags",
+                                   "The flags the Avahi client is started with",
+                                   GA_TYPE_CLIENT_FLAGS,
+                                   GA_CLIENT_FLAG_NO_FLAGS,
+                                   G_PARAM_READWRITE |
+                                   G_PARAM_CONSTRUCT_ONLY |
+                                   G_PARAM_STATIC_NAME |
+                                   G_PARAM_STATIC_BLURB);
+    g_object_class_install_property(object_class, PROP_FLAGS, param_spec);
+
+    signals[STATE_CHANGED] =
+            g_signal_new("state-changed",
+                         G_OBJECT_CLASS_TYPE(ga_client_class),
+                         G_SIGNAL_RUN_LAST | G_SIGNAL_DETAILED,
+                         0,
+                         NULL, NULL,
+                         g_cclosure_marshal_VOID__ENUM,
+                         G_TYPE_NONE, 1, GA_TYPE_CLIENT_STATE);
+
+}
+
+void ga_client_dispose(GObject * object) {
+    GaClient *self = GA_CLIENT(object);
+    GaClientPrivate *priv = GA_CLIENT_GET_PRIVATE(self);
+
+    if (priv->dispose_has_run)
+        return;
+
+    priv->dispose_has_run = TRUE;
+
+    if (self->avahi_client) {
+        avahi_client_free(self->avahi_client);
+        self->avahi_client = NULL;
+    }
+    if (priv->poll) {
+        avahi_glib_poll_free(priv->poll);
+        priv->poll = NULL;
+    }
+
+    /* release any references held by the object here */
+    if (G_OBJECT_CLASS(ga_client_parent_class)->dispose)
+        G_OBJECT_CLASS(ga_client_parent_class)->dispose(object);
+}
+
+void ga_client_finalize(GObject * object) {
+
+    /* free any data held directly by the object here */
+    G_OBJECT_CLASS(ga_client_parent_class)->finalize(object);
+}
+
+GaClient *ga_client_new(GaClientFlags flags) {
+    return g_object_new(GA_TYPE_CLIENT, "flags", flags, NULL);
+}
+
+static GQuark detail_for_state(AvahiClientState state) {
+    static struct {
+        AvahiClientState state;
+        const gchar *name;
+        GQuark quark;
+    } states[] = {
+        { AVAHI_CLIENT_S_REGISTERING, "registering", 0},
+        { AVAHI_CLIENT_S_RUNNING, "running", 0},
+        { AVAHI_CLIENT_S_COLLISION, "collistion", 0},
+        { AVAHI_CLIENT_FAILURE, "failure", 0},
+        { AVAHI_CLIENT_CONNECTING, "connecting", 0},
+        { 0, NULL, 0}
+    };
+    int i;
+
+    for (i = 0; states[i].name != NULL; i++) {
+        if (state != states[i].state)
+            continue;
+
+        if (!states[i].quark)
+            states[i].quark = g_quark_from_static_string(states[i].name);
+/*         printf("Detail: %s\n", states[i].name); */
+        return states[i].quark;
+    }
+    g_assert_not_reached();
+}
+
+static void _avahi_client_cb(AvahiClient * c, AvahiClientState state, void *data) {
+    GaClient *self = GA_CLIENT(data);
+    GaClientPrivate *priv = GA_CLIENT_GET_PRIVATE(self);
+
+/*     printf("CLIENT CB: %d\n", state); */
+
+    /* Avahi can call the callback before return from _client_new */
+    if (self->avahi_client == NULL)
+        self->avahi_client = c;
+
+    g_assert(c == self->avahi_client);
+    priv->state = state;
+    g_signal_emit(self, signals[STATE_CHANGED],
+                  detail_for_state(state), state);
+}
+
+gboolean ga_client_start(GaClient * client, GError ** error) {
+    GaClientPrivate *priv = GA_CLIENT_GET_PRIVATE(client);
+    AvahiClient *aclient;
+    int aerror;
+
+    g_assert(client->avahi_client == NULL);
+    g_assert(priv->poll == NULL);
+
+    avahi_set_allocator(avahi_glib_allocator());
+
+    priv->poll = avahi_glib_poll_new(NULL, G_PRIORITY_DEFAULT);
+
+    aclient = avahi_client_new(avahi_glib_poll_get(priv->poll),
+                               priv->flags,
+                               _avahi_client_cb, client, &aerror);
+    if (aclient == NULL) {
+        if (error != NULL) {
+            *error = g_error_new(GA_ERRORS, aerror,
+                                 "Failed to create avahi client: %s",
+                                 avahi_strerror(aerror));
+        }
+        return FALSE;
+    }
+    client->avahi_client = aclient;
+    return TRUE;
+}