diff options
Diffstat (limited to 'avahi-client/browser.c')
| -rw-r--r-- | avahi-client/browser.c | 243 |
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; +} |