X-Git-Url: http://git.meshlink.io/?a=blobdiff_plain;f=avahi-client%2Fbrowser.c;h=a83aa697da597c4d0ecfb813b817758b1a9d4c15;hb=cb6f8a5396aa9bc32619ddd74ead4f3ff209d200;hp=e994d2af54d40bab604bba0eb01547e6a7edf9db;hpb=769c00f228ba0d37217aaf1424dedde390e7a01c;p=catta diff --git a/avahi-client/browser.c b/avahi-client/browser.c index e994d2a..a83aa69 100644 --- a/avahi-client/browser.c +++ b/avahi-client/browser.c @@ -28,7 +28,6 @@ #include #include -#include #include #include @@ -39,380 +38,537 @@ #include "client.h" #include "internal.h" -/* AvahiDomainBrowser */ - -AvahiDomainBrowser* avahi_domain_browser_new (AvahiClient *client, AvahiIfIndex interface, AvahiProtocol protocol, const char *domain, AvahiDomainBrowserType btype, AvahiDomainBrowserCallback callback, void *user_data) -{ - AvahiDomainBrowser *tmp = NULL; - DBusMessage *message = NULL, *reply; +AvahiDomainBrowser* avahi_domain_browser_new( + AvahiClient *client, + AvahiIfIndex interface, + AvahiProtocol protocol, + const char *domain, + AvahiDomainBrowserType btype, + AvahiLookupFlags flags, + AvahiDomainBrowserCallback callback, + void *userdata) { + + AvahiDomainBrowser *db = NULL; + DBusMessage *message = NULL, *reply = NULL; DBusError error; char *path; + int32_t i_interface, i_protocol, bt; + uint32_t u_flags; - if (client == NULL) - return NULL; + assert(client); + assert(callback); dbus_error_init (&error); - message = dbus_message_new_method_call (AVAHI_DBUS_NAME, AVAHI_DBUS_PATH_SERVER, - AVAHI_DBUS_INTERFACE_SERVER, "DomainBrowserNew"); + if (client->state == AVAHI_CLIENT_DISCONNECTED) { + avahi_client_set_errno(client, AVAHI_ERR_BAD_STATE); + goto fail; + } + + if (!domain) + domain = ""; + + if (!(db = avahi_new (AvahiDomainBrowser, 1))) { + avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY); + goto fail; + } + + db->client = client; + db->callback = callback; + db->userdata = userdata; + db->path = NULL; - if (!dbus_message_append_args (message, DBUS_TYPE_INT32, &interface, DBUS_TYPE_INT32, &protocol, DBUS_TYPE_STRING, &domain, DBUS_TYPE_INT32, &btype, DBUS_TYPE_INVALID)) - goto dbus_error; + AVAHI_LLIST_PREPEND(AvahiDomainBrowser, domain_browsers, client->domain_browsers, db); - reply = dbus_connection_send_with_reply_and_block (client->bus, message, -1, &error); + if (!(message = dbus_message_new_method_call (AVAHI_DBUS_NAME, AVAHI_DBUS_PATH_SERVER, AVAHI_DBUS_INTERFACE_SERVER, "DomainBrowserNew"))) { + 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; + bt = btype; + + if (!(dbus_message_append_args( + message, + DBUS_TYPE_INT32, &i_interface, + DBUS_TYPE_INT32, &i_protocol, + DBUS_TYPE_STRING, &domain, + DBUS_TYPE_INT32, &bt, + DBUS_TYPE_UINT32, &flags, + DBUS_TYPE_INVALID))) { + avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY); + goto fail; + } - if (dbus_error_is_set (&error) || reply == NULL) - goto dbus_error; + 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)) - goto dbus_error; + 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 (dbus_error_is_set (&error) || path == NULL) - goto dbus_error; + if (!(db->path = avahi_strdup(path))) { - tmp = avahi_new (AvahiDomainBrowser, 1); - tmp->client = client; - tmp->callback = callback; - tmp->user_data = user_data; - tmp->path = strdup (path); + /* FIXME: We don't remove the object on the server side */ - AVAHI_LLIST_PREPEND(AvahiDomainBrowser, domain_browsers, client->domain_browsers, tmp); + avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY); + goto fail; + } - return tmp; + dbus_message_unref(message); + dbus_message_unref(reply); + + return db; -dbus_error: - dbus_error_free (&error); - avahi_client_set_errno (client, AVAHI_ERR_DBUS_ERROR); +fail: + + if (dbus_error_is_set(&error)) { + avahi_client_set_dbus_error(client, &error); + dbus_error_free(&error); + } + + if (db) + avahi_domain_browser_free(db); + + if (message) + dbus_message_unref(message); + + if (reply) + dbus_message_unref(reply); return NULL; } -int -avahi_domain_browser_free (AvahiDomainBrowser *b) +AvahiClient* avahi_domain_browser_get_client (AvahiDomainBrowser *b) { - AvahiClient *client = b->client; - DBusMessage *message = NULL; - - if (b == NULL || b->path == NULL) - return avahi_client_set_errno (client, AVAHI_ERR_INVALID_OBJECT); + assert(b); + return b->client; +} - message = dbus_message_new_method_call (AVAHI_DBUS_NAME, - b->path, - AVAHI_DBUS_INTERFACE_DOMAIN_BROWSER, "Free"); +int avahi_domain_browser_free (AvahiDomainBrowser *b) { + AvahiClient *client; + int r = AVAHI_OK; - if (message == NULL) - return avahi_client_set_errno (client, AVAHI_ERR_DBUS_ERROR); + assert(b); + client = b->client; - dbus_connection_send (client->bus, message, NULL); + if (b->path && client->state != AVAHI_CLIENT_DISCONNECTED) + r = avahi_client_simple_method_call(client, b->path, AVAHI_DBUS_INTERFACE_DOMAIN_BROWSER, "Free"); AVAHI_LLIST_REMOVE(AvahiDomainBrowser, domain_browsers, client->domain_browsers, b); - avahi_free (b); - - return avahi_client_set_errno (client, AVAHI_OK); -} + avahi_free(b->path); + avahi_free(b); -const char* -avahi_domain_browser_path (AvahiDomainBrowser *b) -{ - return b->path; + return r; } -DBusHandlerResult -avahi_domain_browser_event (AvahiClient *client, AvahiBrowserEvent event, DBusMessage *message) -{ - AvahiDomainBrowser *n, *db = NULL; +DBusHandlerResult avahi_domain_browser_event (AvahiClient *client, AvahiBrowserEvent event, DBusMessage *message) { + AvahiDomainBrowser *db = NULL; DBusError error; const char *path; - char *domain; - int interface, protocol; + char *domain = NULL; + int32_t interface = AVAHI_IF_UNSPEC, protocol = AVAHI_PROTO_UNSPEC; + uint32_t flags = 0; + assert(client); + assert(message); + dbus_error_init (&error); - path = dbus_message_get_path (message); + if (!(path = dbus_message_get_path(message))) + goto fail; - if (path == NULL) - goto out; - - for (n = client->domain_browsers; n != NULL; n = n->domain_browsers_next) - { - if (strcmp (n->path, path) == 0) { - db = n; + for (db = client->domain_browsers; db; db = db->domain_browsers_next) + if (strcmp (db->path, path) == 0) break; - } - } - - if (db == NULL) - goto out; - dbus_message_get_args (message, &error, DBUS_TYPE_INT32, &interface, - DBUS_TYPE_INT32, &protocol, DBUS_TYPE_STRING, &domain, DBUS_TYPE_INVALID); + if (!db) + goto fail; - if (dbus_error_is_set (&error)) - goto out; + if (event == AVAHI_BROWSER_NEW || event == AVAHI_BROWSER_REMOVE) { + if (!dbus_message_get_args( + message, &error, + DBUS_TYPE_INT32, &interface, + DBUS_TYPE_INT32, &protocol, + DBUS_TYPE_STRING, &domain, + DBUS_TYPE_UINT32, &flags, + DBUS_TYPE_INVALID) || + dbus_error_is_set (&error)) { + fprintf(stderr, "Failed to parse browser event.\n"); + goto fail; + } + } - db->callback (db, interface, protocol, event, domain, db->user_data); + db->callback(db, (AvahiIfIndex) interface, (AvahiProtocol) protocol, event, domain, (AvahiLookupResultFlags) flags, db->userdata); return DBUS_HANDLER_RESULT_HANDLED; -out: +fail: dbus_error_free (&error); return DBUS_HANDLER_RESULT_NOT_YET_HANDLED; } /* AvahiServiceTypeBrowser */ -AvahiServiceTypeBrowser* avahi_service_type_browser_new (AvahiClient *client, AvahiIfIndex interface, AvahiProtocol protocol, const char *domain, AvahiServiceTypeBrowserCallback callback, void *user_data) -{ - AvahiServiceTypeBrowser *tmp = NULL; - DBusMessage *message = NULL, *reply; +AvahiServiceTypeBrowser* avahi_service_type_browser_new( + AvahiClient *client, + AvahiIfIndex interface, + AvahiProtocol protocol, + const char *domain, + AvahiLookupFlags flags, + AvahiServiceTypeBrowserCallback callback, + void *userdata) { + + AvahiServiceTypeBrowser *b = NULL; + DBusMessage *message = NULL, *reply = NULL; DBusError error; char *path; + int32_t i_interface, i_protocol; + uint32_t u_flags; - if (client == NULL) - return NULL; + assert(client); + assert(callback); - dbus_error_init (&error); + dbus_error_init(&error); - message = dbus_message_new_method_call (AVAHI_DBUS_NAME, - AVAHI_DBUS_PATH_SERVER, - AVAHI_DBUS_INTERFACE_SERVER, - "ServiceTypeBrowserNew"); + if (client->state == AVAHI_CLIENT_DISCONNECTED) { + avahi_client_set_errno(client, AVAHI_ERR_BAD_STATE); + goto fail; + } - if (!dbus_message_append_args (message, DBUS_TYPE_INT32, &interface, DBUS_TYPE_INT32, &protocol, DBUS_TYPE_STRING, &domain, DBUS_TYPE_INVALID)) - goto dbus_error; + if (!domain) + domain = ""; - reply = dbus_connection_send_with_reply_and_block (client->bus, message, -1, &error); + if (!(b = avahi_new(AvahiServiceTypeBrowser, 1))) { + avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY); + goto fail; + } - if (dbus_error_is_set (&error) || reply == NULL) - goto dbus_error; + b->client = client; + b->callback = callback; + b->userdata = userdata; + b->path = NULL; - if (!dbus_message_get_args (reply, &error, DBUS_TYPE_OBJECT_PATH, &path, DBUS_TYPE_INVALID)) - goto dbus_error; + AVAHI_LLIST_PREPEND(AvahiServiceTypeBrowser, service_type_browsers, client->service_type_browsers, b); - if (dbus_error_is_set (&error) || path == NULL) - goto dbus_error; + if (!(message = dbus_message_new_method_call (AVAHI_DBUS_NAME, AVAHI_DBUS_PATH_SERVER, AVAHI_DBUS_INTERFACE_SERVER, "ServiceTypeBrowserNew"))) { + 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, &domain, + DBUS_TYPE_UINT32, &u_flags, + DBUS_TYPE_INVALID)) { + avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY); + goto fail; + } - tmp = avahi_new(AvahiServiceTypeBrowser, 1); - tmp->client = client; - tmp->callback = callback; - tmp->user_data = user_data; - tmp->path = strdup (path); + 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; + } - AVAHI_LLIST_PREPEND(AvahiServiceTypeBrowser, service_type_browsers, client->service_type_browsers, tmp); + 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; + } - return tmp; + if (!(b->path = avahi_strdup(path))) { -dbus_error: - dbus_error_free (&error); - avahi_client_set_errno (client, AVAHI_ERR_DBUS_ERROR); + /* 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_service_type_browser_free(b); + + if (message) + dbus_message_unref(message); + + if (reply) + dbus_message_unref(reply); return NULL; } -int -avahi_service_type_browser_free (AvahiServiceTypeBrowser *b) +AvahiClient* avahi_service_type_browser_get_client (AvahiServiceTypeBrowser *b) { - AvahiClient *client = b->client; - DBusMessage *message = NULL; - - if (b == NULL || b->path == NULL) - return avahi_client_set_errno (client, AVAHI_ERR_INVALID_OBJECT); + assert(b); + return b->client; +} - message = dbus_message_new_method_call (AVAHI_DBUS_NAME, - b->path, - AVAHI_DBUS_INTERFACE_SERVICE_TYPE_BROWSER, "Free"); +int avahi_service_type_browser_free (AvahiServiceTypeBrowser *b) { + AvahiClient *client; + int r = AVAHI_OK; - if (message == NULL) - return avahi_client_set_errno (client, AVAHI_ERR_DBUS_ERROR); + assert(b); + client = b->client; - dbus_connection_send (b->client->bus, message, NULL); + if (b->path && client->state != AVAHI_CLIENT_DISCONNECTED) + r = avahi_client_simple_method_call(client, b->path, AVAHI_DBUS_INTERFACE_SERVICE_TYPE_BROWSER, "Free"); AVAHI_LLIST_REMOVE(AvahiServiceTypeBrowser, service_type_browsers, b->client->service_type_browsers, b); - avahi_free (b); - - return avahi_client_set_errno (client, AVAHI_OK); + avahi_free(b->path); + avahi_free(b); + return r; } -const char* -avahi_service_type_browser_path (AvahiServiceTypeBrowser *b) -{ - return b->path; -} - -DBusHandlerResult -avahi_service_type_browser_event (AvahiClient *client, AvahiBrowserEvent event, DBusMessage *message) -{ - AvahiServiceTypeBrowser *n, *db = NULL; +DBusHandlerResult avahi_service_type_browser_event (AvahiClient *client, AvahiBrowserEvent event, DBusMessage *message) { + AvahiServiceTypeBrowser *b = NULL; DBusError error; const char *path; - char *domain, *type; - int interface, protocol; + char *domain = NULL, *type = NULL; + int32_t interface = AVAHI_IF_UNSPEC, protocol = AVAHI_PROTO_UNSPEC; + uint32_t flags = 0; + assert(client); + assert(message); + dbus_error_init (&error); - path = dbus_message_get_path (message); - - if (path == NULL) - goto out; + if (!(path = dbus_message_get_path(message))) + goto fail; - for (n = client->service_type_browsers; n != NULL; n = n->service_type_browsers_next) - { - if (strcmp (n->path, path) == 0) { - db = n; + for (b = client->service_type_browsers; b; b = b->service_type_browsers_next) + if (strcmp (b->path, path) == 0) break; - } - } - if (db == NULL) - goto out; + if (!b) + goto fail; - dbus_message_get_args (message, &error, - DBUS_TYPE_INT32, &interface, - DBUS_TYPE_INT32, &protocol, - DBUS_TYPE_STRING, &type, - DBUS_TYPE_STRING, &domain, - DBUS_TYPE_INVALID); - - if (dbus_error_is_set (&error)) - goto out; + if (event == AVAHI_BROWSER_NEW || event == AVAHI_BROWSER_REMOVE) { + if (!dbus_message_get_args( + message, &error, + DBUS_TYPE_INT32, &interface, + DBUS_TYPE_INT32, &protocol, + DBUS_TYPE_STRING, &type, + DBUS_TYPE_STRING, &domain, + DBUS_TYPE_UINT32, &flags, + DBUS_TYPE_INVALID) || + dbus_error_is_set(&error)) { + fprintf(stderr, "Failed to parse browser event.\n"); + goto fail; + } + } - db->callback (db, interface, protocol, event, type, domain, db->user_data); + b->callback(b, (AvahiIfIndex) interface, (AvahiProtocol) protocol, event, type, domain, (AvahiLookupResultFlags) flags, b->userdata); return DBUS_HANDLER_RESULT_HANDLED; -out: +fail: dbus_error_free (&error); return DBUS_HANDLER_RESULT_NOT_YET_HANDLED; } /* AvahiServiceBrowser */ -AvahiServiceBrowser* avahi_service_browser_new (AvahiClient *client, AvahiIfIndex interface, AvahiProtocol protocol, const char *type, const char *domain, AvahiServiceBrowserCallback callback, void *user_data) -{ - AvahiServiceBrowser *tmp = NULL; - DBusMessage *message = NULL, *reply; +AvahiServiceBrowser* avahi_service_browser_new( + AvahiClient *client, + AvahiIfIndex interface, + AvahiProtocol protocol, + const char *type, + const char *domain, + AvahiLookupFlags flags, + AvahiServiceBrowserCallback callback, + void *userdata) { + + AvahiServiceBrowser *b = NULL; + DBusMessage *message = NULL, *reply = NULL; DBusError error; char *path; + int32_t i_protocol, i_interface; + uint32_t u_flags; - if (client == NULL) - return NULL; + assert(client); + assert(type); + assert(callback); - dbus_error_init (&error); + dbus_error_init(&error); - message = dbus_message_new_method_call (AVAHI_DBUS_NAME, AVAHI_DBUS_PATH_SERVER, - AVAHI_DBUS_INTERFACE_SERVER, "ServiceBrowserNew"); + if (client->state == AVAHI_CLIENT_DISCONNECTED) { + avahi_client_set_errno(client, AVAHI_ERR_BAD_STATE); + goto fail; + } - if (!dbus_message_append_args (message, - DBUS_TYPE_INT32, &interface, - DBUS_TYPE_INT32, &protocol, - DBUS_TYPE_STRING, &type, - DBUS_TYPE_STRING, &domain, - DBUS_TYPE_INVALID)) - goto dbus_error; + if (!domain) + domain = ""; + + if (!(b = avahi_new(AvahiServiceBrowser, 1))) { + avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY); + goto fail; + } + + b->client = client; + b->callback = callback; + b->userdata = userdata; + b->path = NULL; + + AVAHI_LLIST_PREPEND(AvahiServiceBrowser, service_browsers, client->service_browsers, b); + + if (!(message = dbus_message_new_method_call (AVAHI_DBUS_NAME, AVAHI_DBUS_PATH_SERVER, AVAHI_DBUS_INTERFACE_SERVER, "ServiceBrowserNew"))) { + 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, &type, + DBUS_TYPE_STRING, &domain, + 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; + } - reply = dbus_connection_send_with_reply_and_block (client->bus, message, -1, &error); + 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 (dbus_error_is_set (&error) || reply == NULL) - goto dbus_error; + if (!(b->path = avahi_strdup(path))) { - if (!dbus_message_get_args (reply, &error, DBUS_TYPE_OBJECT_PATH, &path, DBUS_TYPE_INVALID)) - goto dbus_error; + /* FIXME: We don't remove the object on the server side */ - if (dbus_error_is_set (&error) || path == NULL) - goto dbus_error; + avahi_client_set_errno(client, AVAHI_ERR_NO_MEMORY); + goto fail; + } - tmp = avahi_new(AvahiServiceBrowser, 1); - tmp->client = client; - tmp->callback = callback; - tmp->user_data = user_data; - tmp->path = strdup (path); + dbus_message_unref(message); + dbus_message_unref(reply); + + return b; - AVAHI_LLIST_PREPEND(AvahiServiceBrowser, service_browsers, client->service_browsers, tmp); +fail: + if (dbus_error_is_set(&error)) { + avahi_client_set_dbus_error(client, &error); + dbus_error_free(&error); + } - return tmp; + if (b) + avahi_service_browser_free(b); + + if (message) + dbus_message_unref(message); -dbus_error: - dbus_error_free (&error); - avahi_client_set_errno (client, AVAHI_ERR_DBUS_ERROR); + if (reply) + dbus_message_unref(reply); return NULL; } - -int -avahi_service_browser_free (AvahiServiceBrowser *b) + +AvahiClient* avahi_service_browser_get_client (AvahiServiceBrowser *b) { - AvahiClient *client = b->client; - DBusMessage *message = NULL; - - if (b == NULL || b->path == NULL) - return avahi_client_set_errno (client, AVAHI_ERR_INVALID_OBJECT); + assert(b); + return b->client; +} - message = dbus_message_new_method_call (AVAHI_DBUS_NAME, - b->path, - AVAHI_DBUS_INTERFACE_SERVICE_BROWSER, "Free"); +int avahi_service_browser_free (AvahiServiceBrowser *b) { + AvahiClient *client; + int r = AVAHI_OK; - if (message == NULL) - return avahi_client_set_errno (client, AVAHI_ERR_DBUS_ERROR); + assert(b); + client = b->client; - dbus_connection_send (b->client->bus, message, NULL); + if (b->path && client->state != AVAHI_CLIENT_DISCONNECTED) + r = avahi_client_simple_method_call(client, b->path, AVAHI_DBUS_INTERFACE_SERVICE_BROWSER, "Free"); AVAHI_LLIST_REMOVE(AvahiServiceBrowser, service_browsers, b->client->service_browsers, b); - avahi_free (b); - - return avahi_client_set_errno (client, AVAHI_OK); + avahi_free(b->path); + avahi_free(b); + return r; } -const char* -avahi_service_browser_path (AvahiServiceBrowser *b) -{ - return b->path; -} -DBusHandlerResult -avahi_service_browser_event (AvahiClient *client, AvahiBrowserEvent event, DBusMessage *message) -{ - AvahiServiceBrowser *n, *db = NULL; +DBusHandlerResult avahi_service_browser_event (AvahiClient *client, AvahiBrowserEvent event, DBusMessage *message) { + AvahiServiceBrowser *b = NULL; DBusError error; const char *path; - char *name, *type, *domain; - int interface, protocol; + char *name = NULL, *type = NULL, *domain = NULL; + int32_t interface = AVAHI_IF_UNSPEC, protocol = AVAHI_PROTO_UNSPEC; + uint32_t flags = 0; dbus_error_init (&error); - path = dbus_message_get_path (message); - - if (path == NULL) - goto out; + if (!(path = dbus_message_get_path(message))) + goto fail; - for (n = client->service_browsers; n != NULL; n = n->service_browsers_next) - { - if (strcmp (n->path, path) == 0) { - db = n; + for (b = client->service_browsers; b; b = b->service_browsers_next) + if (strcmp (b->path, path) == 0) break; - } - } - if (db == NULL) - goto out; + if (!b) + goto fail; - dbus_message_get_args (message, &error, - DBUS_TYPE_INT32, &interface, - DBUS_TYPE_INT32, &protocol, - DBUS_TYPE_STRING, &name, - DBUS_TYPE_STRING, &type, - DBUS_TYPE_STRING, &domain, - DBUS_TYPE_INVALID); - - if (dbus_error_is_set (&error)) - goto out; + if (event == AVAHI_BROWSER_NEW || event == AVAHI_BROWSER_REMOVE) { + if (!dbus_message_get_args ( + message, &error, + DBUS_TYPE_INT32, &interface, + DBUS_TYPE_INT32, &protocol, + DBUS_TYPE_STRING, &name, + DBUS_TYPE_STRING, &type, + DBUS_TYPE_STRING, &domain, + DBUS_TYPE_UINT32, &flags, + DBUS_TYPE_INVALID) || + dbus_error_is_set(&error)) { + fprintf(stderr, "Failed to parse browser event.\n"); + goto fail; + } + } - db->callback (db, interface, protocol, event, name, type, domain, db->user_data); + b->callback(b, (AvahiIfIndex) interface, (AvahiProtocol) protocol, event, name, type, domain, (AvahiLookupResultFlags) flags, b->userdata); return DBUS_HANDLER_RESULT_HANDLED; -out: +fail: dbus_error_free (&error); return DBUS_HANDLER_RESULT_NOT_YET_HANDLED; }