NetworkSocketAPI / C027Interface

Socket interface for C027Interface. Implements the NetworkSocketAPI

Dependencies:   C027_Support

Dependents:   HelloC027Interface U_Blox_DeviceConnector U_Blox_DeviceConnector U-Blox_Client

Fork of LWIPInterface by NetworkSocketAPI

C027Interface.cpp@21:0c4d90bc84af, 2017-03-27 (annotated)

Committer:
mbed_official
Date:
Mon Mar 27 14:10:06 2017 -0500
Revision:
21:0c4d90bc84af
Parent:
19:fed715eb9c83
Child:
22:69ea34ad7fc6
Manage multiple sockets in socket_attach

Who changed what in which revision?

UserRevisionLine numberNew contents of line
geky 12:181a9415736b 1 /* C027 implementation of NetworkInterfaceAPI
geky 12:181a9415736b 2 * Copyright (c) 2015 ARM Limited
geky 12:181a9415736b 3 *
geky 12:181a9415736b 4 * Licensed under the Apache License, Version 2.0 (the "License");
geky 12:181a9415736b 5 * you may not use this file except in compliance with the License.
geky 12:181a9415736b 6 * You may obtain a copy of the License at
geky 12:181a9415736b 7 *
geky 12:181a9415736b 8 * http://www.apache.org/licenses/LICENSE-2.0
geky 12:181a9415736b 9 *
geky 12:181a9415736b 10 * Unless required by applicable law or agreed to in writing, software
geky 12:181a9415736b 11 * distributed under the License is distributed on an "AS IS" BASIS,
geky 12:181a9415736b 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
geky 12:181a9415736b 13 * See the License for the specific language governing permissions and
geky 12:181a9415736b 14 * limitations under the License.
geky 12:181a9415736b 15 */
geky 12:181a9415736b 16
geky 12:181a9415736b 17 #include "C027Interface.h"
geky 12:181a9415736b 18 #include "mbed.h"
geky 12:181a9415736b 19
geky 12:181a9415736b 20
geky 12:181a9415736b 21 // C027Interface implementation
geky 12:181a9415736b 22 C027Interface::C027Interface(const char *simpin, bool debug)
geky 12:181a9415736b 23 : _debug(debug)
geky 12:181a9415736b 24 {
geky 12:181a9415736b 25 strcpy(_pin, simpin);
sarahmarshy 19:fed715eb9c83 26 running = false;
geky 12:181a9415736b 27 }
geky 12:181a9415736b 28
mbed_official 21:0c4d90bc84af 29 C027Interface::~C027Interface()
mbed_official 21:0c4d90bc84af 30 {
mbed_official 21:0c4d90bc84af 31 _thread.join();
mbed_official 21:0c4d90bc84af 32 }
mbed_official 21:0c4d90bc84af 33
mbed_official 21:0c4d90bc84af 34 nsapi_error_t C027Interface::set_credentials(const char *apn, const char *username, const char *password)
mbed_official 21:0c4d90bc84af 35 {
mbed_official 21:0c4d90bc84af 36 memset(_apn, 0, sizeof(_apn));
mbed_official 21:0c4d90bc84af 37 strncpy(_apn, apn, sizeof(_apn));
mbed_official 21:0c4d90bc84af 38
mbed_official 21:0c4d90bc84af 39 memset(_username, 0, sizeof(_username));
mbed_official 21:0c4d90bc84af 40 strncpy(_username, username, sizeof(_username));
mbed_official 21:0c4d90bc84af 41
mbed_official 21:0c4d90bc84af 42 memset(_password, 0, sizeof(_password));
mbed_official 21:0c4d90bc84af 43 strncpy(_password, password, sizeof(_password));
mbed_official 21:0c4d90bc84af 44 return 0;
mbed_official 21:0c4d90bc84af 45 }
mbed_official 21:0c4d90bc84af 46
mbed_official 21:0c4d90bc84af 47 nsapi_error_t C027Interface::connect()
geky 12:181a9415736b 48 {
geky 12:181a9415736b 49 // create the modem
geky 12:181a9415736b 50 _mdm = new MDMSerial;
geky 12:181a9415736b 51 if (_debug) {
geky 12:181a9415736b 52 _mdm->setDebug(4);
geky 12:181a9415736b 53 } else {
geky 12:181a9415736b 54 _mdm->setDebug(0);
geky 12:181a9415736b 55 }
geky 12:181a9415736b 56
geky 12:181a9415736b 57 // initialize the modem
geky 12:181a9415736b 58 MDMParser::DevStatus devStatus = {};
geky 12:181a9415736b 59 MDMParser::NetStatus netStatus = {};
geky 12:181a9415736b 60 bool mdmOk = _mdm->init(_pin, &devStatus);
geky 12:181a9415736b 61 if (_debug) {
geky 12:181a9415736b 62 _mdm->dumpDevStatus(&devStatus);
geky 12:181a9415736b 63 }
geky 12:181a9415736b 64
geky 12:181a9415736b 65 if (mdmOk) {
geky 12:181a9415736b 66 // wait until we are connected
geky 12:181a9415736b 67 mdmOk = _mdm->registerNet(&netStatus);
geky 12:181a9415736b 68 if (_debug) {
geky 12:181a9415736b 69 _mdm->dumpNetStatus(&netStatus);
geky 12:181a9415736b 70 }
geky 12:181a9415736b 71 }
geky 12:181a9415736b 72
Christopher Haster 14:3d1845f5cd81 73 if (mdmOk) {
geky 12:181a9415736b 74 // join the internet connection
mbed_official 21:0c4d90bc84af 75 MDMParser::IP ip = _mdm->join(_apn, _username, _password);
geky 15:21d4f56eb172 76 _ip_address.set_ip_bytes(&ip, NSAPI_IPv4);
geky 12:181a9415736b 77 mdmOk = (ip != NOIP);
geky 12:181a9415736b 78 }
geky 12:181a9415736b 79
Christopher Haster 14:3d1845f5cd81 80 return mdmOk ? 0 : NSAPI_ERROR_DEVICE_ERROR;
geky 12:181a9415736b 81 }
mbed_official 21:0c4d90bc84af 82
mbed_official 21:0c4d90bc84af 83 nsapi_error_t C027Interface::connect(const char *apn, const char *username, const char *password)
mbed_official 21:0c4d90bc84af 84 {
mbed_official 21:0c4d90bc84af 85
mbed_official 21:0c4d90bc84af 86 set_credentials(apn, username, password);
mbed_official 21:0c4d90bc84af 87 return connect();
mbed_official 21:0c4d90bc84af 88 }
geky 12:181a9415736b 89
Christopher Haster 14:3d1845f5cd81 90 int C027Interface::disconnect()
geky 12:181a9415736b 91 {
geky 12:181a9415736b 92 if (!_mdm->disconnect()) {
Christopher Haster 14:3d1845f5cd81 93 return NSAPI_ERROR_DEVICE_ERROR;
geky 12:181a9415736b 94 }
geky 12:181a9415736b 95
geky 12:181a9415736b 96 return 0;
geky 12:181a9415736b 97 }
geky 12:181a9415736b 98
Christopher Haster 14:3d1845f5cd81 99 const char *C027Interface::get_ip_address()
geky 12:181a9415736b 100 {
geky 15:21d4f56eb172 101 return _ip_address.get_ip_address();
geky 12:181a9415736b 102 }
geky 12:181a9415736b 103
Christopher Haster 14:3d1845f5cd81 104 const char *C027Interface::get_mac_address()
geky 12:181a9415736b 105 {
geky 12:181a9415736b 106 return 0;
geky 12:181a9415736b 107 }
geky 12:181a9415736b 108
Christopher Haster 14:3d1845f5cd81 109 struct c027_socket {
Christopher Haster 14:3d1845f5cd81 110 int socket;
Christopher Haster 14:3d1845f5cd81 111 MDMParser::IpProtocol proto;
Christopher Haster 14:3d1845f5cd81 112 MDMParser::IP ip;
Christopher Haster 14:3d1845f5cd81 113 int port;
Christopher Haster 14:3d1845f5cd81 114 };
Christopher Haster 14:3d1845f5cd81 115
Christopher Haster 14:3d1845f5cd81 116 int C027Interface::socket_open(void **handle, nsapi_protocol_t proto)
geky 12:181a9415736b 117 {
Christopher Haster 14:3d1845f5cd81 118 MDMParser::IpProtocol mdmproto = (proto == NSAPI_UDP) ? MDMParser::IPPROTO_UDP : MDMParser::IPPROTO_TCP;
Christopher Haster 14:3d1845f5cd81 119 int fd = _mdm->socketSocket(mdmproto);
Christopher Haster 14:3d1845f5cd81 120 if (fd < 0) {
Christopher Haster 14:3d1845f5cd81 121 return NSAPI_ERROR_NO_SOCKET;
geky 12:181a9415736b 122 }
geky 12:181a9415736b 123
Christopher Haster 14:3d1845f5cd81 124 _mdm->socketSetBlocking(fd, 10000);
Christopher Haster 14:3d1845f5cd81 125 struct c027_socket *socket = new struct c027_socket;
Christopher Haster 14:3d1845f5cd81 126 if (!socket) {
Christopher Haster 14:3d1845f5cd81 127 return NSAPI_ERROR_NO_SOCKET;
Christopher Haster 14:3d1845f5cd81 128 }
geky 12:181a9415736b 129
Christopher Haster 14:3d1845f5cd81 130 socket->socket = fd;
Christopher Haster 14:3d1845f5cd81 131 socket->proto = mdmproto;
Christopher Haster 14:3d1845f5cd81 132 *handle = socket;
Christopher Haster 14:3d1845f5cd81 133 return 0;
geky 12:181a9415736b 134 }
geky 12:181a9415736b 135
Christopher Haster 14:3d1845f5cd81 136 int C027Interface::socket_close(void *handle)
geky 12:181a9415736b 137 {
Christopher Haster 14:3d1845f5cd81 138 struct c027_socket *socket = (struct c027_socket *)handle;
Christopher Haster 14:3d1845f5cd81 139 _mdm->socketFree(socket->socket);
geky 12:181a9415736b 140
geky 12:181a9415736b 141 delete socket;
Christopher Haster 14:3d1845f5cd81 142 return 0;
geky 12:181a9415736b 143 }
geky 12:181a9415736b 144
Christopher Haster 14:3d1845f5cd81 145 int C027Interface::socket_bind(void *handle, const SocketAddress &address)
Christopher Haster 14:3d1845f5cd81 146 {
Christopher Haster 14:3d1845f5cd81 147 return NSAPI_ERROR_UNSUPPORTED;
Christopher Haster 14:3d1845f5cd81 148 }
geky 12:181a9415736b 149
Christopher Haster 14:3d1845f5cd81 150 int C027Interface::socket_listen(void *handle, int backlog)
geky 12:181a9415736b 151 {
Christopher Haster 14:3d1845f5cd81 152 return NSAPI_ERROR_UNSUPPORTED;
Christopher Haster 14:3d1845f5cd81 153 }
Christopher Haster 14:3d1845f5cd81 154
Christopher Haster 14:3d1845f5cd81 155 int C027Interface::socket_connect(void *handle, const SocketAddress &addr)
Christopher Haster 14:3d1845f5cd81 156 {
Christopher Haster 14:3d1845f5cd81 157 struct c027_socket *socket = (struct c027_socket *)handle;
geky 12:181a9415736b 158
Christopher Haster 14:3d1845f5cd81 159 if (!_mdm->socketConnect(socket->socket, addr.get_ip_address(), addr.get_port())) {
Christopher Haster 14:3d1845f5cd81 160 return NSAPI_ERROR_DEVICE_ERROR;
geky 12:181a9415736b 161 }
geky 12:181a9415736b 162
geky 12:181a9415736b 163 return 0;
geky 12:181a9415736b 164 }
geky 12:181a9415736b 165
mbed_official 21:0c4d90bc84af 166 nsapi_error_t C027Interface::socket_accept(nsapi_socket_t server,
mbed_official 21:0c4d90bc84af 167 nsapi_socket_t *handle, SocketAddress *address)
geky 12:181a9415736b 168 {
Christopher Haster 14:3d1845f5cd81 169 return NSAPI_ERROR_UNSUPPORTED;
geky 12:181a9415736b 170 }
geky 12:181a9415736b 171
Christopher Haster 14:3d1845f5cd81 172 int C027Interface::socket_send(void *handle, const void *data, unsigned size)
geky 12:181a9415736b 173 {
Christopher Haster 14:3d1845f5cd81 174 struct c027_socket *socket = (struct c027_socket *)handle;
Christopher Haster 14:3d1845f5cd81 175
Christopher Haster 14:3d1845f5cd81 176 int sent = _mdm->socketSend(socket->socket, (const char *)data, size);
Christopher Haster 14:3d1845f5cd81 177 if (sent == SOCKET_ERROR) {
Christopher Haster 14:3d1845f5cd81 178 return NSAPI_ERROR_DEVICE_ERROR;
geky 12:181a9415736b 179 }
geky 12:181a9415736b 180
Christopher Haster 14:3d1845f5cd81 181 return sent;
geky 12:181a9415736b 182 }
geky 12:181a9415736b 183
Christopher Haster 14:3d1845f5cd81 184 int C027Interface::socket_recv(void *handle, void *data, unsigned size)
geky 12:181a9415736b 185 {
Christopher Haster 14:3d1845f5cd81 186 struct c027_socket *socket = (struct c027_socket *)handle;
mbed_official 21:0c4d90bc84af 187
mbed_official 21:0c4d90bc84af 188 if (!_mdm->socketReadable(socket->socket)) {
Christopher Haster 14:3d1845f5cd81 189 return NSAPI_ERROR_WOULD_BLOCK;
geky 12:181a9415736b 190 }
geky 12:181a9415736b 191
Christopher Haster 14:3d1845f5cd81 192 int recv = _mdm->socketRecv(socket->socket, (char *)data, size);
geky 12:181a9415736b 193 if (recv == SOCKET_ERROR) {
Christopher Haster 14:3d1845f5cd81 194 return NSAPI_ERROR_DEVICE_ERROR;
geky 12:181a9415736b 195 }
geky 12:181a9415736b 196
geky 12:181a9415736b 197 return recv;
geky 12:181a9415736b 198 }
geky 12:181a9415736b 199
Christopher Haster 14:3d1845f5cd81 200 int C027Interface::socket_sendto(void *handle, const SocketAddress &addr, const void *data, unsigned size)
Christopher Haster 14:3d1845f5cd81 201 {
Christopher Haster 14:3d1845f5cd81 202 struct c027_socket *socket = (struct c027_socket *)handle;
geky 12:181a9415736b 203
geky 15:21d4f56eb172 204 int sent = _mdm->socketSendTo(socket->socket,
geky 15:21d4f56eb172 205 *(MDMParser::IP *)addr.get_ip_bytes(), addr.get_port(),
geky 15:21d4f56eb172 206 (const char *)data, size);
geky 15:21d4f56eb172 207
Christopher Haster 14:3d1845f5cd81 208 if (sent == SOCKET_ERROR) {
Christopher Haster 14:3d1845f5cd81 209 return NSAPI_ERROR_DEVICE_ERROR;
Christopher Haster 14:3d1845f5cd81 210 }
Christopher Haster 14:3d1845f5cd81 211
Christopher Haster 14:3d1845f5cd81 212 return sent;
Christopher Haster 14:3d1845f5cd81 213 }
Christopher Haster 14:3d1845f5cd81 214
Christopher Haster 14:3d1845f5cd81 215 int C027Interface::socket_recvfrom(void *handle, SocketAddress *addr, void *data, unsigned size)
Christopher Haster 14:3d1845f5cd81 216 {
Christopher Haster 14:3d1845f5cd81 217 struct c027_socket *socket = (struct c027_socket *)handle;
Christopher Haster 14:3d1845f5cd81 218 if (!_mdm->socketReadable(socket->socket)) {
Christopher Haster 14:3d1845f5cd81 219 return NSAPI_ERROR_WOULD_BLOCK;
Christopher Haster 14:3d1845f5cd81 220 }
Christopher Haster 14:3d1845f5cd81 221
Christopher Haster 14:3d1845f5cd81 222 MDMParser::IP ip;
Christopher Haster 14:3d1845f5cd81 223 int port;
Christopher Haster 14:3d1845f5cd81 224
Christopher Haster 14:3d1845f5cd81 225 int recv = _mdm->socketRecvFrom(socket->socket, &ip, &port, (char *)data, size);
Christopher Haster 14:3d1845f5cd81 226 if (recv == SOCKET_ERROR) {
Christopher Haster 14:3d1845f5cd81 227 return NSAPI_ERROR_DEVICE_ERROR;
Christopher Haster 14:3d1845f5cd81 228 }
Christopher Haster 14:3d1845f5cd81 229
Christopher Haster 14:3d1845f5cd81 230 if (addr) {
geky 15:21d4f56eb172 231 addr->set_ip_bytes(&ip, NSAPI_IPv4);
Christopher Haster 14:3d1845f5cd81 232 addr->set_port(port);
Christopher Haster 14:3d1845f5cd81 233 }
Christopher Haster 14:3d1845f5cd81 234
Christopher Haster 14:3d1845f5cd81 235 return recv;
Christopher Haster 14:3d1845f5cd81 236 }
Christopher Haster 14:3d1845f5cd81 237
sarahmarshy 19:fed715eb9c83 238 void C027Interface::socket_check()
sarahmarshy 16:eaf31bd133f0 239 {
sarahmarshy 19:fed715eb9c83 240 while(running){
mbed_official 21:0c4d90bc84af 241 for (int i = 0; i < NUMSOCKETS; i++){
mbed_official 21:0c4d90bc84af 242 int readable = _mdm->socketReadable(i);
mbed_official 21:0c4d90bc84af 243 if (readable != 1) {
mbed_official 21:0c4d90bc84af 244 event();
sarahmarshy 19:fed715eb9c83 245 }
sarahmarshy 19:fed715eb9c83 246 }
mbed_official 21:0c4d90bc84af 247 wait(1);
mbed_official 21:0c4d90bc84af 248 }
mbed_official 21:0c4d90bc84af 249 running = false;
sarahmarshy 19:fed715eb9c83 250 }
sarahmarshy 19:fed715eb9c83 251
sarahmarshy 19:fed715eb9c83 252
sarahmarshy 19:fed715eb9c83 253 void C027Interface::event(){
mbed_official 21:0c4d90bc84af 254 for (int i = 0; i < NUMSOCKETS; i++){
mbed_official 21:0c4d90bc84af 255 if (_cbs[i].callback) {
mbed_official 21:0c4d90bc84af 256 _cbs[i].callback(_cbs[i].data);
mbed_official 21:0c4d90bc84af 257 }
mbed_official 21:0c4d90bc84af 258 }
sarahmarshy 16:eaf31bd133f0 259 }
sarahmarshy 16:eaf31bd133f0 260
Christopher Haster 14:3d1845f5cd81 261 void C027Interface::socket_attach(void *handle, void (*callback)(void *), void *data)
Christopher Haster 14:3d1845f5cd81 262 {
mbed_official 21:0c4d90bc84af 263 struct c027_socket *socket = (struct c027_socket *)handle;
mbed_official 21:0c4d90bc84af 264 _cbs[socket->socket].callback = callback;
mbed_official 21:0c4d90bc84af 265 _cbs[socket->socket].data = data;
sarahmarshy 19:fed715eb9c83 266 if(!running){
sarahmarshy 19:fed715eb9c83 267 running = true;
sarahmarshy 19:fed715eb9c83 268 _thread.start(this, &C027Interface::socket_check);
sarahmarshy 19:fed715eb9c83 269 }
Christopher Haster 14:3d1845f5cd81 270 }
sarahmarshy 19:fed715eb9c83 271