Andrew Reed / Mbed OS CITY1082-i2c_master_wifi_mqtt

CITY3032-wifi-mqtt

src/MQTTNetworkTLS.h@5:f62a9e4a499a, 2021-11-13 (annotated)

Committer:
reedas
Date:
Sat Nov 13 12:02:49 2021 +0000
Revision:
5:f62a9e4a499a
Parent:
3:62825c5f3cd7 
trying to include mbed

Who changed what in which revision?

UserRevisionLine numberNew contents of line
reedas 3:62825c5f3cd7 1 /*
reedas 3:62825c5f3cd7 2 * Copyright (c) 2019, ARM Limited, All Rights Reserved
reedas 3:62825c5f3cd7 3 * SPDX-License-Identifier: Apache-2.0
reedas 3:62825c5f3cd7 4 *
reedas 3:62825c5f3cd7 5 * Licensed under the Apache License, Version 2.0 (the "License"); you may
reedas 3:62825c5f3cd7 6 * not use this file except in compliance with the License.
reedas 3:62825c5f3cd7 7 * You may obtain a copy of the License at
reedas 3:62825c5f3cd7 8 *
reedas 3:62825c5f3cd7 9 * http://www.apache.org/licenses/LICENSE-2.0
reedas 3:62825c5f3cd7 10 *
reedas 3:62825c5f3cd7 11 * Unless required by applicable law or agreed to in writing, software
reedas 3:62825c5f3cd7 12 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
reedas 3:62825c5f3cd7 13 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
reedas 3:62825c5f3cd7 14 * See the License for the specific language governing permissions and
reedas 3:62825c5f3cd7 15 * limitations under the License.
reedas 3:62825c5f3cd7 16 */
reedas 3:62825c5f3cd7 17
reedas 3:62825c5f3cd7 18 #ifndef _MQTTNETWORKTLS_H_
reedas 3:62825c5f3cd7 19 #define _MQTTNETWORKTLS_H_
reedas 3:62825c5f3cd7 20
reedas 3:62825c5f3cd7 21 #include "NetworkInterface.h"
reedas 3:62825c5f3cd7 22 #include "TLSSocket.h"
reedas 3:62825c5f3cd7 23
reedas 3:62825c5f3cd7 24 #if defined(MBEDTLS_SSL_CLI_C) || defined(DOXYGEN_ONLY)
reedas 3:62825c5f3cd7 25
reedas 3:62825c5f3cd7 26 class MQTTNetworkTLS {
reedas 3:62825c5f3cd7 27 public:
reedas 3:62825c5f3cd7 28 MQTTNetworkTLS(NetworkInterface *aNetwork) : network(aNetwork)
reedas 3:62825c5f3cd7 29 {
reedas 3:62825c5f3cd7 30 socket = new TLSSocket();
reedas 3:62825c5f3cd7 31 }
reedas 3:62825c5f3cd7 32
reedas 3:62825c5f3cd7 33 ~MQTTNetworkTLS()
reedas 3:62825c5f3cd7 34 {
reedas 3:62825c5f3cd7 35 delete socket;
reedas 3:62825c5f3cd7 36 }
reedas 3:62825c5f3cd7 37
reedas 3:62825c5f3cd7 38 int read(unsigned char *buffer, int len, int timeout)
reedas 3:62825c5f3cd7 39 {
reedas 3:62825c5f3cd7 40 int ret = socket->recv(buffer, len);
reedas 3:62825c5f3cd7 41 if (ret == 0) {
reedas 3:62825c5f3cd7 42 // A receive size of 0 indicates that the socket
reedas 3:62825c5f3cd7 43 // was successfully closed so indicate this to MQTTClient
reedas 3:62825c5f3cd7 44 ret = -1;
reedas 3:62825c5f3cd7 45 }
reedas 3:62825c5f3cd7 46 return ret;
reedas 3:62825c5f3cd7 47 }
reedas 3:62825c5f3cd7 48
reedas 3:62825c5f3cd7 49 int write(unsigned char *buffer, int len, int timeout)
reedas 3:62825c5f3cd7 50 {
reedas 3:62825c5f3cd7 51 int ret = socket->send(buffer, len);
reedas 3:62825c5f3cd7 52 if (ret == 0) {
reedas 3:62825c5f3cd7 53 // The socket is closed so indicate this to MQTTClient
reedas 3:62825c5f3cd7 54 return -1;
reedas 3:62825c5f3cd7 55 }
reedas 3:62825c5f3cd7 56 return ret;
reedas 3:62825c5f3cd7 57 }
reedas 3:62825c5f3cd7 58
reedas 3:62825c5f3cd7 59 int connect(const char *hostname, int port, const char *ssl_ca_pem = NULL,
reedas 3:62825c5f3cd7 60 const char *ssl_cli_pem = NULL, const char *ssl_pk_pem = NULL)
reedas 3:62825c5f3cd7 61 {
reedas 3:62825c5f3cd7 62 int ret = socket->open(network);
reedas 3:62825c5f3cd7 63 if (ret < 0) {
reedas 3:62825c5f3cd7 64 return ret;
reedas 3:62825c5f3cd7 65 }
reedas 3:62825c5f3cd7 66 SocketAddress addr;
reedas 3:62825c5f3cd7 67 ret = network->gethostbyname(hostname, &addr);
reedas 3:62825c5f3cd7 68 if (ret < 0) {
reedas 3:62825c5f3cd7 69 return ret;
reedas 3:62825c5f3cd7 70 }
reedas 3:62825c5f3cd7 71 addr.set_port(port);
reedas 3:62825c5f3cd7 72 ret = socket->set_root_ca_cert(ssl_ca_pem);
reedas 3:62825c5f3cd7 73 if (ret < 0) {
reedas 3:62825c5f3cd7 74 return ret;
reedas 3:62825c5f3cd7 75 }
reedas 3:62825c5f3cd7 76 if (ssl_cli_pem != NULL && ssl_pk_pem != NULL) {
reedas 3:62825c5f3cd7 77 ret = socket->set_client_cert_key(ssl_cli_pem, ssl_pk_pem);
reedas 3:62825c5f3cd7 78 if (ret < 0) {
reedas 3:62825c5f3cd7 79 return ret;
reedas 3:62825c5f3cd7 80 }
reedas 3:62825c5f3cd7 81 }
reedas 3:62825c5f3cd7 82 return socket->connect(addr);
reedas 3:62825c5f3cd7 83 }
reedas 3:62825c5f3cd7 84
reedas 3:62825c5f3cd7 85 int disconnect()
reedas 3:62825c5f3cd7 86 {
reedas 3:62825c5f3cd7 87 return socket->close();
reedas 3:62825c5f3cd7 88 }
reedas 3:62825c5f3cd7 89
reedas 3:62825c5f3cd7 90 int set_root_ca_cert(const char *root_ca_pem)
reedas 3:62825c5f3cd7 91 {
reedas 3:62825c5f3cd7 92 return socket->set_root_ca_cert(root_ca_pem);
reedas 3:62825c5f3cd7 93 }
reedas 3:62825c5f3cd7 94
reedas 3:62825c5f3cd7 95 private:
reedas 3:62825c5f3cd7 96 NetworkInterface *network;
reedas 3:62825c5f3cd7 97 TLSSocket *socket;
reedas 3:62825c5f3cd7 98 };
reedas 3:62825c5f3cd7 99
reedas 3:62825c5f3cd7 100 #endif // defined(MBEDTLS_SSL_CLI_C) || defined(DOXYGEN_ONLY)
reedas 3:62825c5f3cd7 101 #endif // _MQTTNETWORKTLS_H_