93 lines
3.0 KiB
C
93 lines
3.0 KiB
C
/*
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* Copyright (C) 2019 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#pragma once
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/*=============================================================================
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@file sns_client.h
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Client library for SEE communication via QSockets or QMI.
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===========================================================================*/
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/*=============================================================================
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Include Files
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===========================================================================*/
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#include "sns_client.pb.h"
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/*=============================================================================
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Type Definitions
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===========================================================================*/
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struct sns_client;
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/**
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* Indication callback function.
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*
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* @param[i] msg Encoded message of type sns_client_event_msg
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*/
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typedef void (*sns_client_ind)(struct sns_client *client, void *msg,
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uint32_t msg_len, void *cb_data);
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/**
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* Response callback function.
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*
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* @param[i] error Error code as received from service
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*/
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typedef void (*sns_client_resp)(struct sns_client *client, sns_std_error error,
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void *cb_data);
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/**
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* Error callback function.
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*
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* @param[i] msg Encoded message of type sns_client_event_msg
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*/
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typedef void (*sns_client_error)(struct sns_client *client, sns_std_error error,
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void *cb_data);
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/*=============================================================================
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Public Function Definitions
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===========================================================================*/
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/**
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* Initialize a new client connection to the service.
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*
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* @return
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* 0 - Success
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* -1 - Unable to find service
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* -2 - Maximum client count reached
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*/
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int sns_client_init(struct sns_client **client, uint32_t timeout,
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sns_client_ind ind_cb, void *ind_cb_data,
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sns_client_error error_cb, void *error_cb_data);
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/**
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* Deinitialize an existing client connection. Blocking function.
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* No response or indication callbacks will be received after function returns.
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*
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* @return 0 upon success; <0 upon error
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*/
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int sns_client_deinit(struct sns_client *client);
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/**
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* Send a request on the client connection.
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*
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* @return
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* 0 - Success
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* -1 - Encoding failure
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* -2 - Transport layer failure
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*/
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int sns_client_send(struct sns_client *client, sns_client_request_msg *msg,
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sns_client_resp resp_cb, void *resp_cb_data); |