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| 1 | +#include "MbedClient.h" |
| 2 | + |
| 3 | + |
| 4 | +#ifndef SOCKET_TIMEOUT |
| 5 | +#define SOCKET_TIMEOUT 1500 |
| 6 | +#endif |
| 7 | + |
| 8 | +arduino::MbedClient::MbedClient(): |
| 9 | + _status(false) |
| 10 | +{ |
| 11 | +} |
| 12 | + |
| 13 | +uint8_t arduino::MbedClient::status() { |
| 14 | + return _status; |
| 15 | +} |
| 16 | + |
| 17 | +void arduino::MbedClient::readSocket() { |
| 18 | + while (1) { |
| 19 | + event->wait_any(0xFF, 100); |
| 20 | + uint8_t data[SOCKET_BUFFER_SIZE]; |
| 21 | + int ret = NSAPI_ERROR_WOULD_BLOCK; |
| 22 | + do { |
| 23 | + mutex->lock(); |
| 24 | + if (rxBuffer.availableForStore() == 0) { |
| 25 | + yield(); |
| 26 | + } |
| 27 | + if (sock == nullptr || (closing && borrowed_socket)) { |
| 28 | + goto cleanup; |
| 29 | + } |
| 30 | + ret = sock->recv(data, rxBuffer.availableForStore()); |
| 31 | + if (ret < 0 && ret != NSAPI_ERROR_WOULD_BLOCK) { |
| 32 | + goto cleanup; |
| 33 | + } |
| 34 | + for (int i = 0; i < ret; i++) { |
| 35 | + rxBuffer.store_char(data[i]); |
| 36 | + } |
| 37 | + _status = true; |
| 38 | + mutex->unlock(); |
| 39 | + } while (ret == NSAPI_ERROR_WOULD_BLOCK || ret > 0); |
| 40 | + } |
| 41 | +cleanup: |
| 42 | + _status = false; |
| 43 | + mutex->unlock(); |
| 44 | + return; |
| 45 | +} |
| 46 | + |
| 47 | +void arduino::MbedClient::getStatus() { |
| 48 | + event->set(1); |
| 49 | +} |
| 50 | + |
| 51 | +void arduino::MbedClient::setSocket(Socket* _sock) { |
| 52 | + sock = _sock; |
| 53 | + configureSocket(sock); |
| 54 | +} |
| 55 | + |
| 56 | +void arduino::MbedClient::configureSocket(Socket* _s) { |
| 57 | + _s->set_timeout(0); |
| 58 | + _s->set_blocking(false); |
| 59 | + |
| 60 | + if (event == nullptr) { |
| 61 | + event = new rtos::EventFlags; |
| 62 | + } |
| 63 | + if (mutex == nullptr) { |
| 64 | + mutex = new rtos::Mutex; |
| 65 | + } |
| 66 | + mutex->lock(); |
| 67 | + if (reader_th == nullptr) { |
| 68 | + reader_th = new rtos::Thread; |
| 69 | + reader_th->start(mbed::callback(this, &MbedClient::readSocket)); |
| 70 | + } |
| 71 | + mutex->unlock(); |
| 72 | + _s->sigio(mbed::callback(this, &MbedClient::getStatus)); |
| 73 | + _status = true; |
| 74 | +} |
| 75 | + |
| 76 | +int arduino::MbedClient::connect(SocketAddress socketAddress) { |
| 77 | + if (sock == nullptr) { |
| 78 | + sock = new TCPSocket(); |
| 79 | + _own_socket = true; |
| 80 | + } |
| 81 | + if (sock == nullptr) { |
| 82 | + return 0; |
| 83 | + } |
| 84 | + |
| 85 | + if(static_cast<TCPSocket*>(sock)->open(getNetwork()) != NSAPI_ERROR_OK){ |
| 86 | + return 0; |
| 87 | + } |
| 88 | + |
| 89 | + address = socketAddress; |
| 90 | + nsapi_error_t returnCode = static_cast<TCPSocket*>(sock)->connect(socketAddress); |
| 91 | + int ret = 0; |
| 92 | + |
| 93 | + switch (returnCode) { |
| 94 | + case NSAPI_ERROR_IS_CONNECTED: |
| 95 | + case NSAPI_ERROR_OK: { |
| 96 | + ret = 1; |
| 97 | + break; |
| 98 | + } |
| 99 | + } |
| 100 | + |
| 101 | + if (ret == 1) { |
| 102 | + configureSocket(sock); |
| 103 | + _status = true; |
| 104 | + } else { |
| 105 | + _status = false; |
| 106 | + } |
| 107 | + |
| 108 | + return ret; |
| 109 | +} |
| 110 | + |
| 111 | +int arduino::MbedClient::connect(IPAddress ip, uint16_t port) { |
| 112 | + return connect(SocketHelpers::socketAddressFromIpAddress(ip, port)); |
| 113 | +} |
| 114 | + |
| 115 | +int arduino::MbedClient::connect(const char *host, uint16_t port) { |
| 116 | + SocketAddress socketAddress = SocketAddress(); |
| 117 | + socketAddress.set_port(port); |
| 118 | + getNetwork()->gethostbyname(host, &socketAddress); |
| 119 | + return connect(socketAddress); |
| 120 | +} |
| 121 | + |
| 122 | +int arduino::MbedClient::connectSSL(SocketAddress socketAddress) { |
| 123 | + if (sock == nullptr) { |
| 124 | + sock = new TLSSocket(); |
| 125 | + _own_socket = true; |
| 126 | + } |
| 127 | + if (sock == nullptr) { |
| 128 | + return 0; |
| 129 | + } |
| 130 | + |
| 131 | + if (beforeConnect) { |
| 132 | + beforeConnect(); |
| 133 | + } |
| 134 | + |
| 135 | + if(static_cast<TLSSocket*>(sock)->open(getNetwork()) != NSAPI_ERROR_OK){ |
| 136 | + return 0; |
| 137 | + } |
| 138 | + |
| 139 | + address = socketAddress; |
| 140 | + |
| 141 | +restart_connect: |
| 142 | + nsapi_error_t returnCode = static_cast<TLSSocket*>(sock)->connect(socketAddress); |
| 143 | + int ret = 0; |
| 144 | + |
| 145 | + switch (returnCode) { |
| 146 | + case NSAPI_ERROR_IS_CONNECTED: |
| 147 | + case NSAPI_ERROR_OK: { |
| 148 | + ret = 1; |
| 149 | + break; |
| 150 | + } |
| 151 | + case NSAPI_ERROR_IN_PROGRESS: |
| 152 | + case NSAPI_ERROR_ALREADY: { |
| 153 | + delay(100); |
| 154 | + goto restart_connect; |
| 155 | + } |
| 156 | + } |
| 157 | + |
| 158 | + if (ret == 1) { |
| 159 | + configureSocket(sock); |
| 160 | + _status = true; |
| 161 | + } else { |
| 162 | + _status = false; |
| 163 | + } |
| 164 | + |
| 165 | + return ret; |
| 166 | +} |
| 167 | + |
| 168 | +int arduino::MbedClient::connectSSL(IPAddress ip, uint16_t port) { |
| 169 | + return connectSSL(SocketHelpers::socketAddressFromIpAddress(ip, port)); |
| 170 | +} |
| 171 | + |
| 172 | +int arduino::MbedClient::connectSSL(const char *host, uint16_t port) { |
| 173 | + SocketAddress socketAddress = SocketAddress(); |
| 174 | + socketAddress.set_port(port); |
| 175 | + getNetwork()->gethostbyname(host, &socketAddress); |
| 176 | + return connectSSL(socketAddress); |
| 177 | +} |
| 178 | + |
| 179 | +size_t arduino::MbedClient::write(uint8_t c) { |
| 180 | + return write(&c, 1); |
| 181 | +} |
| 182 | + |
| 183 | +size_t arduino::MbedClient::write(const uint8_t *buf, size_t size) { |
| 184 | + if (sock == nullptr) |
| 185 | + return 0; |
| 186 | + |
| 187 | + sock->set_blocking(true); |
| 188 | + sock->set_timeout(SOCKET_TIMEOUT); |
| 189 | + sock->send(buf, size); |
| 190 | + configureSocket(sock); |
| 191 | + return size; |
| 192 | +} |
| 193 | + |
| 194 | +int arduino::MbedClient::available() { |
| 195 | + int ret = rxBuffer.available(); |
| 196 | + return ret; |
| 197 | +} |
| 198 | + |
| 199 | +int arduino::MbedClient::read() { |
| 200 | + mutex->lock(); |
| 201 | + if (!available()) { |
| 202 | + return -1; |
| 203 | + } |
| 204 | + |
| 205 | + int ret = rxBuffer.read_char(); |
| 206 | + mutex->unlock(); |
| 207 | + return ret; |
| 208 | +} |
| 209 | + |
| 210 | +int arduino::MbedClient::read(uint8_t *data, size_t len) { |
| 211 | + mutex->lock(); |
| 212 | + int avail = available(); |
| 213 | + |
| 214 | + if (!avail) { |
| 215 | + return -1; |
| 216 | + } |
| 217 | + |
| 218 | + if ((int)len > avail) { |
| 219 | + len = avail; |
| 220 | + } |
| 221 | + |
| 222 | + for (size_t i = 0; i < len; i++) { |
| 223 | + data[i] = rxBuffer.read_char(); |
| 224 | + } |
| 225 | + mutex->unlock(); |
| 226 | + |
| 227 | + return len; |
| 228 | +} |
| 229 | + |
| 230 | +int arduino::MbedClient::peek() { |
| 231 | + return rxBuffer.peek(); |
| 232 | +} |
| 233 | + |
| 234 | +void arduino::MbedClient::flush() { |
| 235 | + |
| 236 | +} |
| 237 | + |
| 238 | +void arduino::MbedClient::stop() { |
| 239 | + if (mutex != nullptr) { |
| 240 | + mutex->lock(); |
| 241 | + } |
| 242 | + if (sock != nullptr && borrowed_socket == false) { |
| 243 | + if (_own_socket) { |
| 244 | + delete sock; |
| 245 | + } else { |
| 246 | + sock->close(); |
| 247 | + } |
| 248 | + sock = nullptr; |
| 249 | + } |
| 250 | + closing = true; |
| 251 | + if (mutex != nullptr) { |
| 252 | + mutex->unlock(); |
| 253 | + } |
| 254 | + if (reader_th != nullptr) { |
| 255 | + reader_th->join(); |
| 256 | + delete reader_th; |
| 257 | + reader_th = nullptr; |
| 258 | + } |
| 259 | + if (event != nullptr) { |
| 260 | + delete event; |
| 261 | + event = nullptr; |
| 262 | + } |
| 263 | + if (mutex != nullptr) { |
| 264 | + delete mutex; |
| 265 | + mutex = nullptr; |
| 266 | + } |
| 267 | + _status = false; |
| 268 | +} |
| 269 | + |
| 270 | +uint8_t arduino::MbedClient::connected() { |
| 271 | + return _status; |
| 272 | +} |
| 273 | + |
| 274 | +IPAddress arduino::MbedClient::remoteIP() { |
| 275 | + return SocketHelpers::ipAddressFromSocketAddress(address); |
| 276 | +} |
| 277 | + |
| 278 | +uint16_t arduino::MbedClient::remotePort() { |
| 279 | + return 0; |
| 280 | +} |
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