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CITY3032-wifi-mqtt
src/MQTTClientMbedOs.cpp
- Committer:
- reedas
- Date:
- 2021-11-13
- Revision:
- 5:f62a9e4a499a
- Parent:
- 3:62825c5f3cd7
File content as of revision 5:f62a9e4a499a:
/* * Copyright (c) 2019, ARM Limited, All Rights Reserved * SPDX-License-Identifier: Apache-2.0 * * Licensed under the Apache License, Version 2.0 (the "License"); you may * not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * 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. */ #include "MQTTClientMbedOs.h" int MQTTNetworkMbedOs::read(unsigned char *buffer, int len, int timeout) { nsapi_size_or_error_t rc = 0; socket->set_timeout(timeout); rc = socket->recv(buffer, len); if (rc == NSAPI_ERROR_WOULD_BLOCK) { // time out and no data // MQTTClient.readPacket() requires 0 on time out and no data. return 0; } if (rc == 0) { // A receive size of 0 indicates that the socket // was successfully closed so indicate this to MQTTClient return -1; } return rc; } int MQTTNetworkMbedOs::write(unsigned char *buffer, int len, int timeout) { nsapi_size_or_error_t rc = 0; socket->set_timeout(timeout); rc = socket->send(buffer, len); if (rc == NSAPI_ERROR_WOULD_BLOCK) { // time out and no data // MQTTClient.writePacket() requires 0 on time out and no data. return 0; } if (rc == 0) { // The socket is closed so indicate this to MQTTClient return -1; } return rc; } int MQTTNetworkMbedOs::connect(const char *hostname, int port) { SocketAddress sockAddr(hostname, port); return socket->connect(sockAddr); } int MQTTNetworkMbedOs::disconnect() { return socket->close(); } MQTTClient::MQTTClient(TCPSocket *_socket) { init(_socket); mqttNet = new MQTTNetworkMbedOs(socket); client = new MQTT::Client<MQTTNetworkMbedOs, Countdown, MBED_CONF_MBED_MQTT_MAX_PACKET_SIZE, MBED_CONF_MBED_MQTT_MAX_CONNECTIONS>(*mqttNet); }; #if defined(MBEDTLS_SSL_CLI_C) || defined(DOXYGEN_ONLY) MQTTClient::MQTTClient(TLSSocket *_socket) { init(_socket); mqttNet = new MQTTNetworkMbedOs(socket); client = new MQTT::Client<MQTTNetworkMbedOs, Countdown, MBED_CONF_MBED_MQTT_MAX_PACKET_SIZE, MBED_CONF_MBED_MQTT_MAX_CONNECTIONS>(*mqttNet); }; #endif MQTTClient::MQTTClient(UDPSocket *_socket) { init(_socket); mqttNet = new MQTTNetworkMbedOs(socket); clientSN = new MQTTSN::Client<MQTTNetworkMbedOs, Countdown, MBED_CONF_MBED_MQTT_MAX_PACKET_SIZE, MBED_CONF_MBED_MQTT_MAX_CONNECTIONS>(*mqttNet); }; #if defined(MBEDTLS_SSL_CLI_C) || defined(DOXYGEN_ONLY) MQTTClient::MQTTClient(DTLSSocket *_socket) { init(_socket); mqttNet = new MQTTNetworkMbedOs(socket); clientSN = new MQTTSN::Client<MQTTNetworkMbedOs, Countdown, MBED_CONF_MBED_MQTT_MAX_PACKET_SIZE, MBED_CONF_MBED_MQTT_MAX_CONNECTIONS>(*mqttNet); }; #endif nsapi_error_t MQTTClient::connect(MQTTPacket_connectData &options) { if (client == NULL) { return NSAPI_ERROR_NO_CONNECTION; } nsapi_error_t ret = client->connect(options); return ret < 0 ? NSAPI_ERROR_NO_CONNECTION : ret; } nsapi_error_t MQTTClient::connect(MQTTSNPacket_connectData &options) { if (clientSN == NULL) { return NSAPI_ERROR_NO_CONNECTION; } nsapi_error_t ret = clientSN->connect(options); return ret < 0 ? NSAPI_ERROR_NO_CONNECTION : ret; } nsapi_error_t MQTTClient::publish(const char *topicName, MQTT::Message &message) { if (client == NULL) { return NSAPI_ERROR_NO_CONNECTION; } nsapi_error_t ret = client->publish(topicName, message); return ret < 0 ? NSAPI_ERROR_NO_CONNECTION : ret; } nsapi_error_t MQTTClient::publish(MQTTSN_topicid &topicName, MQTTSN::Message &message) { if (clientSN == NULL) { return NSAPI_ERROR_NO_CONNECTION; } nsapi_error_t ret = clientSN->publish(topicName, message); return ret < 0 ? NSAPI_ERROR_NO_CONNECTION : ret; } nsapi_error_t MQTTClient::subscribe(const char *topicFilter, enum MQTT::QoS qos, messageHandler mh) { if (client == NULL) { return NSAPI_ERROR_NO_CONNECTION; } nsapi_error_t ret = client->subscribe(topicFilter, qos, mh); return ret < 0 ? NSAPI_ERROR_NO_CONNECTION : ret; } nsapi_error_t MQTTClient::subscribe(MQTTSN_topicid &topicFilter, enum MQTTSN::QoS qos, messageHandlerSN mh) { if (clientSN == NULL) { return NSAPI_ERROR_NO_CONNECTION; } nsapi_error_t ret = clientSN->subscribe(topicFilter, qos, mh); return ret < 0 ? NSAPI_ERROR_NO_CONNECTION : ret; } nsapi_error_t MQTTClient::unsubscribe(const char *topicFilter) { if (client == NULL) { return NSAPI_ERROR_NO_CONNECTION; } nsapi_error_t ret = client->unsubscribe(topicFilter); return ret < 0 ? NSAPI_ERROR_NO_CONNECTION : ret; } nsapi_error_t MQTTClient::unsubscribe(MQTTSN_topicid &topicFilter) { if (clientSN == NULL) { return NSAPI_ERROR_NO_CONNECTION; } nsapi_error_t ret = clientSN->unsubscribe(topicFilter); return ret < 0 ? NSAPI_ERROR_NO_CONNECTION : ret; } nsapi_error_t MQTTClient::yield(unsigned long timeout_ms) { nsapi_error_t ret = NSAPI_ERROR_OK; if (client != NULL) { ret = client->yield(timeout_ms); } else if (clientSN != NULL) { ret = clientSN->yield(timeout_ms); } else { return NSAPI_ERROR_NO_CONNECTION; } return ret < 0 ? NSAPI_ERROR_NO_CONNECTION : ret; } nsapi_error_t MQTTClient::disconnect() { nsapi_error_t ret = NSAPI_ERROR_OK; if (client != NULL) { ret = client->disconnect(); } else if (clientSN != NULL) { ret = clientSN->disconnect(0); } else { return NSAPI_ERROR_NO_CONNECTION; } return ret < 0 ? NSAPI_ERROR_NO_CONNECTION : ret; } bool MQTTClient::isConnected() { if (client != NULL) { return false; } else if (clientSN == NULL) { return false; } else { return clientSN->isConnected(); } } void MQTTClient::setDefaultMessageHandler(messageHandler mh) { if (client != NULL) { client->setDefaultMessageHandler(mh); } else if (clientSN != NULL) { client->setDefaultMessageHandler(mh); } } nsapi_error_t MQTTClient::setMessageHandler(const char *topicFilter, messageHandler mh) { if (clientSN != NULL) { return NSAPI_ERROR_UNSUPPORTED; } else if (client == NULL) { return NSAPI_ERROR_NO_CONNECTION; } else { return client->setMessageHandler(topicFilter, mh); } } void MQTTClient::init(Socket *sock) { socket = sock; client = NULL; clientSN = NULL; }