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authorLennart Poettering <lennart@poettering.net>2005-11-16 19:30:11 +0000
committerLennart Poettering <lennart@poettering.net>2005-11-16 19:30:11 +0000
commit9e4237ebed07d00bf1176178d1358b475d749b27 (patch)
tree38b9fa5103733445ce69012a5c6ae65fdb043a91 /avahi-client/browser.c
parentaffa11f5bb7309fa504624a3512dce5c88ce473b (diff)
* Implement client API for arbitrary record browsing
* Fix memory leak in avahi-client git-svn-id: file:///home/lennart/svn/public/avahi/trunk@984 941a03a8-eaeb-0310-b9a0-b1bbd8fe43fe
Diffstat (limited to 'avahi-client/browser.c')
-rw-r--r--avahi-client/browser.c243
1 files changed, 243 insertions, 0 deletions
diff --git a/avahi-client/browser.c b/avahi-client/browser.c
index c9af43f..a8a823e 100644
--- a/avahi-client/browser.c
+++ b/avahi-client/browser.c
@@ -348,6 +348,7 @@ fail:
}
/* AvahiServiceTypeBrowser */
+
AvahiServiceTypeBrowser* avahi_service_type_browser_new(
AvahiClient *client,
AvahiIfIndex interface,
@@ -782,4 +783,246 @@ fail:
return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
}
+/* AvahiRecordBrowser */
+
+AvahiRecordBrowser* avahi_record_browser_new(
+ AvahiClient *client,
+ AvahiIfIndex interface,
+ AvahiProtocol protocol,
+ const char *name,
+ uint16_t clazz,
+ uint16_t type,
+ AvahiLookupFlags flags,
+ AvahiRecordBrowserCallback callback,
+ void *userdata) {
+
+ AvahiRecordBrowser *b = NULL;
+ DBusMessage *message = NULL, *reply = NULL;
+ DBusError error;
+ char *path;
+ int32_t i_protocol, i_interface;
+ uint32_t u_flags;
+
+ assert(client);
+ assert(name);
+ assert(callback);
+
+ dbus_error_init(&error);
+
+ if (!avahi_client_is_connected(client)) {
+ avahi_client_set_errno(client, AVAHI_ERR_BAD_STATE);
+ goto fail;
+ }
+
+ if (!(b = avahi_new(AvahiRecordBrowser, 1))) {
+ avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
+ goto fail;
+ }
+
+ b->client = client;
+ b->callback = callback;
+ b->userdata = userdata;
+ b->path = NULL;
+ b->name = NULL;
+ b->clazz = clazz;
+ b->type = type;
+ b->interface = interface;
+ b->protocol = protocol;
+
+ AVAHI_LLIST_PREPEND(AvahiRecordBrowser, record_browsers, client->record_browsers, b);
+
+ if (!(b->name = avahi_strdup(name))) {
+ avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
+ goto fail;
+ }
+
+ if (!(message = dbus_message_new_method_call(AVAHI_DBUS_NAME, AVAHI_DBUS_PATH_SERVER, AVAHI_DBUS_INTERFACE_SERVER, "RecordBrowserNew"))) {
+ avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
+ goto fail;
+ }
+
+ i_interface = (int32_t) interface;
+ i_protocol = (int32_t) protocol;
+ u_flags = (uint32_t) flags;
+
+ if (!dbus_message_append_args(
+ message,
+ DBUS_TYPE_INT32, &i_interface,
+ DBUS_TYPE_INT32, &i_protocol,
+ DBUS_TYPE_STRING, &name,
+ DBUS_TYPE_UINT16, &clazz,
+ DBUS_TYPE_UINT16, &type,
+ DBUS_TYPE_UINT32, &u_flags,
+ DBUS_TYPE_INVALID)) {
+ avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
+ goto fail;
+ }
+
+ if (!(reply = dbus_connection_send_with_reply_and_block (client->bus, message, -1, &error)) ||
+ dbus_error_is_set(&error)) {
+ avahi_client_set_errno(client, AVAHI_ERR_DBUS_ERROR);
+ goto fail;
+ }
+
+ if (!dbus_message_get_args (reply, &error, DBUS_TYPE_OBJECT_PATH, &path, DBUS_TYPE_INVALID) ||
+ dbus_error_is_set(&error) ||
+ !path) {
+ avahi_client_set_errno(client, AVAHI_ERR_DBUS_ERROR);
+ goto fail;
+ }
+
+ if (!(b->path = avahi_strdup(path))) {
+
+ /* FIXME: We don't remove the object on the server side */
+
+ avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY);
+ goto fail;
+ }
+
+ dbus_message_unref(message);
+ dbus_message_unref(reply);
+
+ return b;
+
+fail:
+ if (dbus_error_is_set(&error)) {
+ avahi_client_set_dbus_error(client, &error);
+ dbus_error_free(&error);
+ }
+
+ if (b)
+ avahi_record_browser_free(b);
+
+ if (message)
+ dbus_message_unref(message);
+
+ if (reply)
+ dbus_message_unref(reply);
+
+ return NULL;
+}
+
+AvahiClient* avahi_record_browser_get_client (AvahiRecordBrowser *b) {
+ assert(b);
+ return b->client;
+}
+
+int avahi_record_browser_free (AvahiRecordBrowser *b) {
+ AvahiClient *client;
+ int r = AVAHI_OK;
+
+ assert(b);
+ client = b->client;
+
+ if (b->path && avahi_client_is_connected(b->client))
+ r = avahi_client_simple_method_call(client, b->path, AVAHI_DBUS_INTERFACE_RECORD_BROWSER, "Free");
+
+ AVAHI_LLIST_REMOVE(AvahiRecordBrowser, record_browsers, b->client->record_browsers, b);
+
+ avahi_free(b->path);
+ avahi_free(b->name);
+ avahi_free(b);
+ return r;
+}
+
+DBusHandlerResult avahi_record_browser_event(AvahiClient *client, AvahiBrowserEvent event, DBusMessage *message) {
+ AvahiRecordBrowser *b = NULL;
+ DBusError error;
+ const char *path;
+ char *name;
+ int32_t interface, protocol;
+ uint32_t flags = 0;
+ uint16_t clazz, type;
+ void *rdata = NULL;
+ int rdata_size = 0;
+
+ dbus_error_init (&error);
+
+ if (!(path = dbus_message_get_path(message)))
+ goto fail;
+
+ for (b = client->record_browsers; b; b = b->record_browsers_next)
+ if (strcmp (b->path, path) == 0)
+ break;
+
+ if (!b)
+ goto fail;
+
+ interface = b->interface;
+ protocol = b->protocol;
+ clazz = b->clazz;
+ type = b->type;
+ name = b->name;
+
+ switch (event) {
+ case AVAHI_BROWSER_NEW:
+ case AVAHI_BROWSER_REMOVE: {
+ DBusMessageIter iter, sub;
+ int j;
+
+ if (!dbus_message_get_args (
+ message, &error,
+ DBUS_TYPE_INT32, &interface,
+ DBUS_TYPE_INT32, &protocol,
+ DBUS_TYPE_STRING, &name,
+ DBUS_TYPE_UINT16, &clazz,
+ DBUS_TYPE_UINT16, &type,
+ DBUS_TYPE_INVALID) ||
+ dbus_error_is_set(&error)) {
+ fprintf(stderr, "Failed to parse browser event.\n");
+ goto fail;
+ }
+
+
+ dbus_message_iter_init(message, &iter);
+
+ for (j = 0; j < 5; j++)
+ dbus_message_iter_next(&iter);
+
+ if (dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_ARRAY ||
+ dbus_message_iter_get_element_type(&iter) != DBUS_TYPE_BYTE)
+ goto fail;
+
+ dbus_message_iter_recurse(&iter, &sub);
+ dbus_message_iter_get_fixed_array(&sub, &rdata, &rdata_size);
+
+ dbus_message_iter_next(&iter);
+
+ if (dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_UINT32)
+ goto fail;
+
+ dbus_message_iter_get_basic(&iter, &flags);
+
+ break;
+ }
+
+ case AVAHI_BROWSER_CACHE_EXHAUSTED:
+ case AVAHI_BROWSER_ALL_FOR_NOW:
+ break;
+
+ case AVAHI_BROWSER_FAILURE: {
+ char *etxt;
+
+ if (!dbus_message_get_args(
+ message, &error,
+ DBUS_TYPE_STRING, &etxt,
+ DBUS_TYPE_INVALID) ||
+ dbus_error_is_set (&error)) {
+ fprintf(stderr, "Failed to parse browser event.\n");
+ goto fail;
+ }
+
+ avahi_client_set_errno(b->client, avahi_error_dbus_to_number(etxt));
+ break;
+ }
+ }
+
+ b->callback(b, (AvahiIfIndex) interface, (AvahiProtocol) protocol, event, name, clazz, type, rdata, (size_t) rdata_size, (AvahiLookupResultFlags) flags, b->userdata);
+
+ return DBUS_HANDLER_RESULT_HANDLED;
+
+fail:
+ dbus_error_free (&error);
+ return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
+}