1 files changed, 72 insertions, 0 deletions
diff --git a/include/libimobiledevice/heartbeat.h b/include/libimobiledevice/heartbeat.h
index 8db2941..c943e51 100644
--- a/include/libimobiledevice/heartbeat.h
+++ b/include/libimobiledevice/heartbeat.h
@@ -48,12 +48,84 @@ typedef int16_t heartbeat_error_t;
 typedef struct heartbeat_client_private heartbeat_client_private;
 typedef heartbeat_client_private *heartbeat_client_t; /**< The client handle. */
 
+/**
+ * Connects to the heartbeat service on the specified device.
+ *
+ * @param device The device to connect to.
+ * @param service The service descriptor returned by lockdownd_start_service.
+ * @param client Pointer that will point to a newly allocated
+ *     heartbeat_client_t upon successful return. Must be freed using
+ *     heartbeat_client_free() after use.
+ *
+ * @return HEARTBEAT_E_SUCCESS on success, HEARTBEAT_E_INVALID_ARG when
+ *     client is NULL, or an HEARTBEAT_E_* error code otherwise.
+ */
 heartbeat_error_t heartbeat_client_new(idevice_t device, lockdownd_service_descriptor_t service, heartbeat_client_t * client);
+
+/**
+ * Starts a new heartbeat service on the specified device and connects to it.
+ *
+ * @param device The device to connect to.
+ * @param client Pointer that will point to a newly allocated
+ *     heartbeat_client_t upon successful return. Must be freed using
+ *     heartbeat_client_free() after use.
+ * @param label The label to use for communication. Usually the program name.
+ *  Pass NULL to disable sending the label in requests to lockdownd.
+ *
+ * @return HEARTBEAT_E_SUCCESS on success, or an HEARTBEAT_E_* error
+ *     code otherwise.
+ */
 heartbeat_error_t heartbeat_client_start_service(idevice_t device, heartbeat_client_t * client, const char* label);
+
+/**
+ * Disconnects a heartbeat client from the device and frees up the
+ * heartbeat client data.
+ *
+ * @param client The heartbeat client to disconnect and free.
+ *
+ * @return HEARTBEAT_E_SUCCESS on success, HEARTBEAT_E_INVALID_ARG when
+ *     client is NULL, or an HEARTBEAT_E_* error code otherwise.
+ */
 heartbeat_error_t heartbeat_client_free(heartbeat_client_t client);
 
+
+/**
+ * Sends a plist to the service.
+ *
+ * @param client The heartbeat client
+ * @param plist The plist to send
+ *
+ * @return HEARTBEAT_E_SUCCESS on success,
+ *  HEARTBEAT_E_INVALID_ARG when client or plist is NULL
+ */
 heartbeat_error_t heartbeat_send(heartbeat_client_t client, plist_t plist);
+
+/**
+ * Receives a plist from the service.
+ *
+ * @param client The heartbeat client
+ * @param plist The plist to store the received data
+ *
+ * @return HEARTBEAT_E_SUCCESS on success,
+ *  HEARTBEAT_E_INVALID_ARG when client or plist is NULL
+ */
 heartbeat_error_t heartbeat_receive(heartbeat_client_t client, plist_t * plist);
+
+/**
+ * Receives a plist using the given heartbeat client.
+ *
+ * @param client The heartbeat client to use for receiving
+ * @param plist pointer to a plist_t that will point to the received plist
+ *      upon successful return
+ * @param timeout Maximum time in milliseconds to wait for data.
+ *
+ * @return HEARTBEAT_E_SUCCESS on success,
+ *      HEARTBEAT_E_INVALID_ARG when client or *plist is NULL,
+ *      HEARTBEAT_E_PLIST_ERROR when the received data cannot be
+ *      converted to a plist, HEARTBEAT_E_MUX_ERROR when a
+ *      communication error occurs, or HEARTBEAT_E_UNKNOWN_ERROR
+ *      when an unspecified error occurs.
+ */
 heartbeat_error_t heartbeat_receive_with_timeout(heartbeat_client_t client, plist_t * plist, uint32_t timeout_ms);
 
 #ifdef __cplusplus