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/**
* @file libimobiledevice/service.h
* @brief Generic basic service implementation to inherit.
* \internal
*
* Copyright (c) 2013-2014 Martin Szulecki All Rights Reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef ISERVICE_H
#define ISERVICE_H
#ifdef __cplusplus
extern "C" {
#endif
#include <libimobiledevice/libimobiledevice.h>
#include <libimobiledevice/lockdown.h>
/** Error Codes */
typedef enum {
SERVICE_E_SUCCESS = 0,
SERVICE_E_INVALID_ARG = -1,
SERVICE_E_MUX_ERROR = -3,
SERVICE_E_SSL_ERROR = -4,
SERVICE_E_START_SERVICE_ERROR = -5,
SERVICE_E_NOT_ENOUGH_DATA = -6,
SERVICE_E_TIMEOUT = -7,
SERVICE_E_UNKNOWN_ERROR = -256
} service_error_t;
typedef struct service_client_private service_client_private;
typedef service_client_private* service_client_t; /**< The client handle. */
#define SERVICE_CONSTRUCTOR(x) (int32_t (*)(idevice_t, lockdownd_service_descriptor_t, void**))(x)
/* Interface */
/**
* Creates a new service for the specified service descriptor.
*
* @param device The device to connect to.
* @param service The service descriptor returned by lockdownd_start_service.
* @param client Pointer that will be set to a newly allocated
* service_client_t upon successful return.
*
* @return SERVICE_E_SUCCESS on success,
* SERVICE_E_INVALID_ARG when one of the arguments is invalid,
* or SERVICE_E_MUX_ERROR when connecting to the device failed.
*/
service_error_t service_client_new(idevice_t device, lockdownd_service_descriptor_t service, service_client_t *client);
/**
* Starts a new service on the specified device with given name and
* connects to it.
*
* @param device The device to connect to.
* @param service_name The name of the service to start.
* @param client Pointer that will point to a newly allocated service_client_t
* upon successful return. Must be freed using service_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 SERVICE_E_SUCCESS on success, or a SERVICE_E_* error code
* otherwise.
*/
service_error_t service_client_factory_start_service(idevice_t device, const char* service_name, void **client, const char* label, int32_t (*constructor_func)(idevice_t, lockdownd_service_descriptor_t, void**), int32_t *error_code);
/**
* Frees a service instance.
*
* @param client The service instance to free.
*
* @return SERVICE_E_SUCCESS on success,
* SERVICE_E_INVALID_ARG when client is invalid, or a
* SERVICE_E_UNKNOWN_ERROR when another error occured.
*/
service_error_t service_client_free(service_client_t client);
/**
* Sends data using the given service client.
*
* @param client The service client to use for sending.
* @param data Data to send
* @param size Size of the data to send
* @param sent Number of bytes sent (can be NULL to ignore)
*
* @return SERVICE_E_SUCCESS on success,
* SERVICE_E_INVALID_ARG when one or more parameters are
* invalid, or SERVICE_E_UNKNOWN_ERROR when an unspecified
* error occurs.
*/
service_error_t service_send(service_client_t client, const char *data, uint32_t size, uint32_t *sent);
/**
* Receives data using the given service client with specified timeout.
*
* @param client The service client to use for receiving
* @param data Buffer that will be filled with the data received
* @param size Number of bytes to receive
* @param received Number of bytes received (can be NULL to ignore)
* @param timeout Maximum time in milliseconds to wait for data.
*
* @return SERVICE_E_SUCCESS on success,
* SERVICE_E_INVALID_ARG when one or more parameters are
* invalid, SERVICE_E_MUX_ERROR when a communication error
* occurs, or SERVICE_E_UNKNOWN_ERROR when an unspecified
* error occurs.
*/
service_error_t service_receive_with_timeout(service_client_t client, char *data, uint32_t size, uint32_t *received, unsigned int timeout);
/**
* Receives data using the given service client.
*
* @param client The service client to use for receiving
* @param data Buffer that will be filled with the data received
* @param size Number of bytes to receive
* @param received Number of bytes received (can be NULL to ignore)
*
* @return SERVICE_E_SUCCESS on success,
* SERVICE_E_INVALID_ARG when one or more parameters are
* invalid, SERVICE_E_NOT_ENOUGH_DATA when not enough data
* received, SERVICE_E_TIMEOUT when the connection times out,
* SERVICE_E_MUX_ERROR when a communication error
* occurs, or SERVICE_E_UNKNOWN_ERROR when an unspecified
* error occurs.
*/
service_error_t service_receive(service_client_t client, char *data, uint32_t size, uint32_t *received);
/**
* Enable SSL for the given service client.
*
* @param client The connected service client for that SSL should be enabled.
*
* @return SERVICE_E_SUCCESS on success,
* SERVICE_E_INVALID_ARG if client or client->connection is
* NULL, SERVICE_E_NOT_ENOUGH_DATA when not enough data
* received, SERVICE_E_TIMEOUT when the connection times out,
* SERVICE_E_SSL_ERROR when SSL could not be enabled,
* or SERVICE_E_UNKNOWN_ERROR otherwise.
*/
service_error_t service_enable_ssl(service_client_t client);
/**
* Disable SSL for the given service client.
*
* @param client The connected service client for that SSL should be disabled.
*
* @return SERVICE_E_SUCCESS on success,
* SERVICE_E_INVALID_ARG if client or client->connection is
* NULL, or SERVICE_E_UNKNOWN_ERROR otherwise.
*/
service_error_t service_disable_ssl(service_client_t client);
#ifdef __cplusplus
}
#endif
#endif
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