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feat: 移植腾讯云物联网开发平台 C SDK

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fancyxu
2022-07-01 11:06:09 +08:00
parent 2be1169b0b
commit 0acc079ed6
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108
components/connectivity/iot-hub-device-c-sdk/platform/network/inc/network_interface.h Normal file
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/**
* @copyright
*
* Tencent is pleased to support the open source community by making IoT Hub available.
* Copyright(C) 2018 - 2021 THL A29 Limited, a Tencent company.All rights reserved.
*
* Licensed under the MIT License(the "License"); you may not use this file except in
* compliance with the License. You may obtain a copy of the License at
* http://opensource.org/licenses/MIT
*
* Unless required by applicable law or agreed to in writing, software distributed under the License is
* distributed on an "AS IS" basis, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
* either express or implied. See the License for the specific language governing permissions and
* limitations under the License.
*
* @file network_interface.h
* @brief header for network interface
* @author fancyxu (fancyxu@tencent.com)
* @version 1.0
* @date 2021-05-28
*
* @par Change Log:
* <table>
* <tr><th>Date <th>Version <th>Author <th>Description
* <tr><td>2021-05-28 <td>1.0 <td>fancyxu <td>first commit
* <tr><td>2021-07-09 <td>1.1 <td>fancyxu <td>support tls and change port to str format
* </table>
*/
#ifndef IOT_HUB_DEVICE_C_SDK_PLATFORM_NETWORK_INC_NETWORK_INTERFACE_H_
#define IOT_HUB_DEVICE_C_SDK_PLATFORM_NETWORK_INC_NETWORK_INTERFACE_H_
#ifdef __cplusplus
extern "C" {
#endif
#include <stddef.h>
#include <stdint.h>
#include "qcloud_iot_platform.h"
#ifndef AUTH_WITH_NO_TLS
#include "qcloud_iot_tls_client.h"
#endif
/**
* @brief Type of network interface.
*
*/
typedef enum {
IOT_NETWORK_TYPE_TCP = 0,
IOT_NETWORK_TYPE_UDP,
IOT_NETWORK_TYPE_TLS,
IOT_NETWORK_TYPE_DTLS
} IotNetworkType;
/**
* @brief Define structure for network stack.
*
*/
typedef struct IotNetwork IotNetwork;
/**
* @brief Define structure for network stack.
*
* @note init/connect/read/write/disconnect/state
*
*/
struct IotNetwork {
int (*init)(IotNetwork *);
int (*connect)(IotNetwork *);
int (*read)(IotNetwork *, unsigned char *, size_t, uint32_t, size_t *);
int (*write)(IotNetwork *, unsigned char *, size_t, uint32_t, size_t *);
void (*disconnect)(IotNetwork *);
int (*is_connected)(IotNetwork *);
union {
int fd;
uintptr_t handle;
};
#ifndef AUTH_WITH_NO_TLS
SSLConnectParams ssl_connect_params;
#endif
const char * host; /**< server address */
const char * port; /**< server port */
IotNetworkType type;
};
/**
* @brief Init network, support tcp, tls(if AUTH_WITH_NO_TLS defined).
*
* @param[in,out] network pointer to network
* @return @see IotReturnCode
*/
int qcloud_iot_network_init(IotNetwork *network);
#ifdef __cplusplus
}
#endif
#endif // IOT_HUB_DEVICE_C_SDK_PLATFORM_NETWORK_INC_NETWORK_INTERFACE_H_

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components/connectivity/iot-hub-device-c-sdk/platform/network/src/network_interface.c Normal file
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/**
* @copyright
*
* Tencent is pleased to support the open source community by making IoT Hub available.
* Copyright(C) 2018 - 2021 THL A29 Limited, a Tencent company.All rights reserved.
*
* Licensed under the MIT License(the "License"); you may not use this file except in
* compliance with the License. You may obtain a copy of the License at
* http://opensource.org/licenses/MIT
*
* Unless required by applicable law or agreed to in writing, software distributed under the License is
* distributed on an "AS IS" basis, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
* either express or implied. See the License for the specific language governing permissions and
* limitations under the License.
*
* @file network_interface.c
* @brief network interface for tcp/tls
* @author fancyxu (fancyxu@tencent.com)
* @version 1.0
* @date 2021-05-31
*
* @par Change Log:
* <table>
* <tr><th>Date <th>Version <th>Author <th>Description
* <tr><td>2021-05-31 <td>1.0 <td>fancyxu <td>first commit
* <tr><td>2021-07-09 <td>1.1 <td>fancyxu <td>support tls
* </table>
*/
#include "network_interface.h"
/**
* @brief TCP init, do nothing.
*
* @param[in,out] network pointer to network handle
* @return always ok
*/
static int _network_tcp_init(IotNetwork *network)
{
return QCLOUD_RET_SUCCESS;
}
/**
* @brief TCP connect.
*
* @param[in,out] network pointer to network handle
* @return @see IotReturnCode
*/
static int _network_tcp_connect(IotNetwork *network)
{
POINTER_SANITY_CHECK(network, QCLOUD_ERR_INVAL);
network->fd = HAL_TCP_Connect(network->host, network->port);
if (network->fd < 0) {
Log_e("fail to connect with TCP server: %s:%s", STRING_PTR_PRINT_SANITY_CHECK(network->host),
STRING_PTR_PRINT_SANITY_CHECK(network->port));
return network->fd;
}
if (!strstr(network->host, "gateway.tencentdevices.com") &&
!strstr(network->host, "devicelog.iot.cloud.tencent.com")) { // reduce log info
Log_i("connected with TCP server: %s:%s", STRING_PTR_PRINT_SANITY_CHECK(network->host),
STRING_PTR_PRINT_SANITY_CHECK(network->port));
}
return QCLOUD_RET_SUCCESS;
}
/**
* @brief TCP read.
*
* @param[in,out] network pointer to network handle
* @param[out] data data buffer to be read in
* @param[in] datalen data buffer len
* @param[in] timeout_ms read timeout
* @param[out] read_len read data len
* @return @see IotReturnCode
*/
static int _network_tcp_read(IotNetwork *network, unsigned char *data, size_t datalen, uint32_t timeout_ms,
size_t *read_len)
{
POINTER_SANITY_CHECK(network, QCLOUD_ERR_INVAL);
return HAL_TCP_Read(network->fd, data, (uint32_t)datalen, timeout_ms, read_len);
}
/**
* @brief TCP write.
*
* @param[in,out] network pointer to network handle
* @param[out] data data buffer to write
* @param[in] datalen data buffer len
* @param[in] timeout_ms write timeout
* @param[out] written_len len of written data
* @return @see IotReturnCode
*/
static int _network_tcp_write(IotNetwork *network, unsigned char *data, size_t datalen, uint32_t timeout_ms,
size_t *written_len)
{
POINTER_SANITY_CHECK(network, QCLOUD_ERR_INVAL);
return HAL_TCP_Write(network->fd, data, datalen, timeout_ms, written_len);
}
/**
* @brief TCP disconnect
*
* @param[in,out] network pointer to network handle
*/
static void _network_tcp_disconnect(IotNetwork *network)
{
POINTER_SANITY_CHECK_RTN(network);
if (network->fd < 0) {
return;
}
HAL_TCP_Disconnect(network->fd);
network->fd = -1;
return;
}
/**
* @brief Return handle.
*
* @param[in] network pointer to network
* @return handle of network
*/
static int _is_network_tcp_connected(IotNetwork *network)
{
return network->fd > 0;
}
#ifndef AUTH_WITH_NO_TLS
/**
* @brief TLS init, do nothing.
*
* @param[in,out] network pointer to network handle
* @return always ok
*/
static int _network_tls_init(IotNetwork *network)
{
return QCLOUD_RET_SUCCESS;
}
/**
* @brief TLS connect.
*
* @param[in,out] network pointer to network handle
* @return @see IotReturnCode
*/
static int _network_tls_connect(IotNetwork *network)
{
POINTER_SANITY_CHECK(network, QCLOUD_ERR_INVAL);
network->handle = qcloud_iot_tls_client_connect(&network->ssl_connect_params, network->host, network->port);
return network->handle ? QCLOUD_RET_SUCCESS : QCLOUD_ERR_SSL_CONNECT;
}
/**
* @brief TLS read.
*
* @param[in,out] network pointer to network handle
* @param[out] data data buffer to be read in
* @param[in] datalen data buffer len
* @param[in] timeout_ms read timeout
* @param[out] read_len read data len
* @return @see IotReturnCode
*/
static int _network_tls_read(IotNetwork *network, unsigned char *data, size_t datalen, uint32_t timeout_ms,
size_t *read_len)
{
POINTER_SANITY_CHECK(network, QCLOUD_ERR_INVAL);
return qcloud_iot_tls_client_read(network->handle, data, datalen, timeout_ms, read_len);
}
/**
* @brief TLS write.
*
* @param[in,out] network pointer to network handle
* @param[out] data data buffer to write
* @param[in] datalen data buffer len
* @param[in] timeout_ms write timeout
* @param[out] written_len len of written data
* @return @see IotReturnCode
*/
static int _network_tls_write(IotNetwork *network, unsigned char *data, size_t datalen, uint32_t timeout_ms,
size_t *written_len)
{
POINTER_SANITY_CHECK(network, QCLOUD_ERR_INVAL);
return qcloud_iot_tls_client_write(network->handle, data, datalen, timeout_ms, written_len);
}
/**
* @brief TLS disconnect
*
* @param[in,out] network pointer to network handle
*/
static void _network_tls_disconnect(IotNetwork *network)
{
POINTER_SANITY_CHECK_RTN(network);
qcloud_iot_tls_client_disconnect(network->handle);
network->handle = 0;
}
/**
* @brief Return handle.
*
* @param[in] network pointer to network
* @return handle of network
*/
static int _is_network_tls_connected(IotNetwork *network)
{
return network->handle;
}
#endif
/**
* @brief Init network, support tcp, tls(if AUTH_WITH_NO_TLS defined).
*
* @param[in,out] network pointer to network
* @return @see IotReturnCode
*/
int qcloud_iot_network_init(IotNetwork *network)
{
POINTER_SANITY_CHECK(network, QCLOUD_ERR_INVAL);
switch (network->type) {
case IOT_NETWORK_TYPE_TCP:
network->init = _network_tcp_init;
network->connect = _network_tcp_connect;
network->read = _network_tcp_read;
network->write = _network_tcp_write;
network->disconnect = _network_tcp_disconnect;
network->is_connected = _is_network_tcp_connected;
network->fd = -1;
break;
#ifndef AUTH_WITH_NO_TLS
case IOT_NETWORK_TYPE_TLS:
network->init = _network_tls_init;
network->connect = _network_tls_connect;
network->read = _network_tls_read;
network->write = _network_tls_write;
network->disconnect = _network_tls_disconnect;
network->is_connected = _is_network_tls_connected;
network->handle = 0;
break;
#endif
default:
Log_e("unknown network type: %d", network->type);
return QCLOUD_ERR_INVAL;
}
return network->init(network);
}