zephyr/subsys/net/lib/mqtt/mqtt_transport.c

81 lines
2.0 KiB
C

/*
* Copyright (c) 2018 Nordic Semiconductor ASA
*
* SPDX-License-Identifier: Apache-2.0
*/
/** @file mqtt_transport.c
*
* @brief Internal functions to handle transport in MQTT module.
*/
#include "mqtt_transport.h"
/**@brief Function pointer array for TCP/TLS transport handlers. */
const struct transport_procedure transport_fn[MQTT_TRANSPORT_NUM] = {
{
mqtt_client_tcp_connect,
mqtt_client_tcp_write,
mqtt_client_tcp_write_msg,
mqtt_client_tcp_read,
mqtt_client_tcp_disconnect,
},
#if defined(CONFIG_MQTT_LIB_TLS)
{
mqtt_client_tls_connect,
mqtt_client_tls_write,
mqtt_client_tls_write_msg,
mqtt_client_tls_read,
mqtt_client_tls_disconnect,
},
#endif /* CONFIG_MQTT_LIB_TLS */
#if defined(CONFIG_MQTT_LIB_WEBSOCKET)
{
mqtt_client_websocket_connect,
mqtt_client_websocket_write,
mqtt_client_websocket_write_msg,
mqtt_client_websocket_read,
mqtt_client_websocket_disconnect,
},
#if defined(CONFIG_MQTT_LIB_TLS)
{
mqtt_client_websocket_connect,
mqtt_client_websocket_write,
mqtt_client_websocket_write_msg,
mqtt_client_websocket_read,
mqtt_client_websocket_disconnect,
},
#endif /* CONFIG_MQTT_LIB_TLS */
#endif /* CONFIG_MQTT_LIB_WEBSOCKET */
};
int mqtt_transport_connect(struct mqtt_client *client)
{
return transport_fn[client->transport.type].connect(client);
}
int mqtt_transport_write(struct mqtt_client *client, const u8_t *data,
u32_t datalen)
{
return transport_fn[client->transport.type].write(client, data,
datalen);
}
int mqtt_transport_write_msg(struct mqtt_client *client,
const struct msghdr *message)
{
return transport_fn[client->transport.type].write_msg(client, message);
}
int mqtt_transport_read(struct mqtt_client *client, u8_t *data, u32_t buflen,
bool shall_block)
{
return transport_fn[client->transport.type].read(client, data, buflen,
shall_block);
}
int mqtt_transport_disconnect(struct mqtt_client *client)
{
return transport_fn[client->transport.type].disconnect(client);
}