diff options
Diffstat (limited to 'src/device_link_service.c')
| -rw-r--r-- | src/device_link_service.c | 71 |
1 files changed, 69 insertions, 2 deletions
diff --git a/src/device_link_service.c b/src/device_link_service.c index 10e9e9c..4140911 100644 --- a/src/device_link_service.c +++ b/src/device_link_service.c @@ -253,9 +253,20 @@ device_link_service_error_t device_link_service_disconnect(device_link_service_c return err; } +/** + * Sends a DLMessageProcessMessage plist. + * + * @param client The device link service client to use. + * @param message PLIST_DICT to send. + * + * @return DEVICE_LINK_SERVICE_E_SUCCESS on success, + * DEVICE_LINK_SERVICE_E_INVALID_ARG if client or message is invalid or + * message is not a PLIST_DICT, or DEVICE_LINK_SERVICE_E_MUX_ERROR if + * the DLMessageProcessMessage plist could not be sent. + */ device_link_service_error_t device_link_service_process_message(device_link_service_client_t client, plist_t message) { - if (!client || !message) + if (!client || !client->parent || !message) return DEVICE_LINK_SERVICE_E_INVALID_ARG; if (plist_get_node_type(message) != PLIST_DICT) @@ -263,7 +274,7 @@ device_link_service_error_t device_link_service_process_message(device_link_serv plist_t array = plist_new_array(); plist_array_append_item(array, plist_new_string("DLMessageProcessMessage")); - plist_array_append_item(array, message); + plist_array_append_item(array, plist_copy(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) { @@ -274,6 +285,62 @@ device_link_service_error_t device_link_service_process_message(device_link_serv } /** + * Receives a DLMessageProcessMessage plist. + * + * @param client The connected device link service client used for receiving. + * @param message Pointer to a plist that will be set to the contents of the + * message contents upon successful return. + * + * @return DEVICE_LINK_SERVICE_E_SUCCESS when a DLMessageProcessMessage was + * received, DEVICE_LINK_SERVICE_E_INVALID_ARG when client or message is + * invalid, DEVICE_LINK_SERVICE_E_PLIST_ERROR if the received plist is + * invalid or is not a DLMessageProcessMessage, + * or DEVICE_LINK_SERVICE_E_MUX_ERROR if receiving from device fails. + */ +device_link_service_error_t device_link_service_get_process_message(device_link_service_client_t client, plist_t *message) +{ + if (!client || !client->parent || !message) + return DEVICE_LINK_SERVICE_E_INVALID_ARG; + + plist_t pmsg = NULL; + if (property_list_service_receive_plist(client->parent, &pmsg) != PROPERTY_LIST_SERVICE_E_SUCCESS) { + return DEVICE_LINK_SERVICE_E_MUX_ERROR; + } + + device_link_service_error_t err = DEVICE_LINK_SERVICE_E_UNKNOWN_ERROR; + + char *msg = device_link_service_get_message(pmsg); + if (!msg || strcmp(msg, "DLMessageProcessMessage")) { + debug_info("Did not receive DLMessageProcessMessage as expected!"); + err = DEVICE_LINK_SERVICE_E_PLIST_ERROR; + goto leave; + } + + if (plist_array_get_size(pmsg) != 2) { + debug_info("Malformed plist received for DLMessageProcessMessage"); + err = DEVICE_LINK_SERVICE_E_PLIST_ERROR; + goto leave; + } + + plist_t msg_loc = plist_array_get_item(pmsg, 1); + if (msg_loc) { + *message = plist_copy(msg_loc); + err = DEVICE_LINK_SERVICE_E_SUCCESS; + } else { + *message = NULL; + err = DEVICE_LINK_SERVICE_E_PLIST_ERROR; + } + +leave: + if (msg) + free(msg); + if (pmsg) + plist_free(pmsg); + + return err; +} + +/** * Generic device link service send function. * * @param client The device link service client to use for sending |