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-rw-r--r--src/device_link_service.c28
-rw-r--r--src/device_link_service.h1
2 files changed, 29 insertions, 0 deletions
diff --git a/src/device_link_service.c b/src/device_link_service.c
index 7baef02..430b1db 100644
--- a/src/device_link_service.c
+++ b/src/device_link_service.c
@@ -254,6 +254,34 @@ device_link_service_error_t device_link_service_disconnect(device_link_service_c
}
/**
+ * Sends a DLMessagePing plist.
+ *
+ * @param client The device link service client to use.
+ * @param message String to send as ping message.
+ *
+ * @return DEVICE_LINK_SERVICE_E_SUCCESS on success,
+ * DEVICE_LINK_SERVICE_E_INVALID_ARG if client or message is invalid,
+ * or DEVICE_LINK_SERVICE_E_MUX_ERROR if the DLMessagePing plist could
+ * not be sent.
+ */
+device_link_service_error_t device_link_service_send_ping(device_link_service_client_t client, const char *message)
+{
+ if (!client || !client->parent || !message)
+ return DEVICE_LINK_SERVICE_E_INVALID_ARG;
+
+ plist_t array = plist_new_array();
+ plist_array_append_item(array, plist_new_string("DLMessagePing"));
+ plist_array_append_item(array, plist_new_string(message));
+
+ device_link_service_error_t err = DEVICE_LINK_SERVICE_E_SUCCESS;
+ if (property_list_service_send_binary_plist(client->parent, array) != PROPERTY_LIST_SERVICE_E_SUCCESS) {
+ err = DEVICE_LINK_SERVICE_E_MUX_ERROR;
+ }
+ plist_free(array);
+ return err;
+}
+
+/**
* Sends a DLMessageProcessMessage plist.
*
* @param client The device link service client to use.
diff --git a/src/device_link_service.h b/src/device_link_service.h
index b90ddcc..4e652c4 100644
--- a/src/device_link_service.h
+++ b/src/device_link_service.h
@@ -44,6 +44,7 @@ typedef int16_t device_link_service_error_t;
device_link_service_error_t device_link_service_client_new(idevice_t device, uint16_t port, device_link_service_client_t *client);
device_link_service_error_t device_link_service_client_free(device_link_service_client_t client);
device_link_service_error_t device_link_service_version_exchange(device_link_service_client_t client, uint64_t version_major, uint64_t version_minor);
+device_link_service_error_t device_link_service_send_ping(device_link_service_client_t client, const char *message);
device_link_service_error_t device_link_service_send_process_message(device_link_service_client_t client, plist_t message);
device_link_service_error_t device_link_service_receive_process_message(device_link_service_client_t client, plist_t *message);
device_link_service_error_t device_link_service_disconnect(device_link_service_client_t client);