MultiTech / MTS-Cellular

Cellular library for MTS Socket Modem Arduino Shield devices from Multi-Tech Systems

Dependents:   mtsas mtsas mtsas mtsas

Cellular/EasyIP.cpp@39:629fc8475af1, 2014-07-29 (annotated)

Committer:
Vanger
Date:
Tue Jul 29 19:36:29 2014 +0000
Revision:
39:629fc8475af1
Parent:
35:257eb41405e1
Child:
40:ecef43f87c7a
Removed redundant AT+IFC command under EasyIP.cpp constructor

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Vanger 26:2b769ed8de4f 1 #include "mbed.h"
Vanger 26:2b769ed8de4f 2 #include "EasyIP.h"
Vanger 26:2b769ed8de4f 3 #include "MTSText.h"
Vanger 26:2b769ed8de4f 4 #include "MTSLog.h"
Vanger 26:2b769ed8de4f 5 #include "CellUtils.h"
Vanger 26:2b769ed8de4f 6
Vanger 26:2b769ed8de4f 7 using namespace mts;
Vanger 26:2b769ed8de4f 8
Vanger 30:1326b623919a 9
Vanger 30:1326b623919a 10
Vanger 26:2b769ed8de4f 11 EasyIP::EasyIP(Radio type)
Vanger 26:2b769ed8de4f 12 {
Vanger 26:2b769ed8de4f 13 this->type = type;
Vanger 26:2b769ed8de4f 14 io = NULL;
Vanger 26:2b769ed8de4f 15 dcd = NULL;
Vanger 26:2b769ed8de4f 16 dtr = NULL;
Vanger 26:2b769ed8de4f 17 resetLine = NULL;
Vanger 26:2b769ed8de4f 18 echoMode = true;
Vanger 26:2b769ed8de4f 19 pppConnected = false;
Vanger 26:2b769ed8de4f 20 socketMode = TCP;
Vanger 26:2b769ed8de4f 21 socketOpened = false;
Vanger 26:2b769ed8de4f 22 socketCloseable = true;
Vanger 26:2b769ed8de4f 23 local_port = 0;
Vanger 26:2b769ed8de4f 24 local_address = "";
Vanger 26:2b769ed8de4f 25 host_port = 0;
Vanger 26:2b769ed8de4f 26 }
Vanger 26:2b769ed8de4f 27
Vanger 26:2b769ed8de4f 28 EasyIP::~EasyIP()
Vanger 26:2b769ed8de4f 29 {
Vanger 26:2b769ed8de4f 30 if (dtr != NULL) {
Vanger 26:2b769ed8de4f 31 dtr->write(1);
Vanger 26:2b769ed8de4f 32 }
Vanger 26:2b769ed8de4f 33
Vanger 26:2b769ed8de4f 34 delete dcd;
Vanger 26:2b769ed8de4f 35 delete dtr;
Vanger 26:2b769ed8de4f 36 delete resetLine;
Vanger 26:2b769ed8de4f 37 }
Vanger 26:2b769ed8de4f 38
Vanger 26:2b769ed8de4f 39 //Initializes the MTS IO Buffer
Vanger 26:2b769ed8de4f 40 bool EasyIP::init(MTSBufferedIO* io)
Vanger 26:2b769ed8de4f 41 {
Vanger 26:2b769ed8de4f 42 if (! Cellular::init(io)) {
Vanger 26:2b769ed8de4f 43 return false;
Vanger 26:2b769ed8de4f 44 }
Vanger 26:2b769ed8de4f 45
Vanger 26:2b769ed8de4f 46 logDebug("radio type: %s", Cellular::getRadioNames(type).c_str());
Vanger 32:7d5581159bed 47 //Turns on the HW flow control, equiv. to AT&K
Vanger 35:257eb41405e1 48 if(sendBasicCommand("AT&K=3", 2000) != MTS_SUCCESS) {
Vanger 35:257eb41405e1 49 logWarning("Failed to set flow control to radio");
Vanger 35:257eb41405e1 50 }
Vanger 26:2b769ed8de4f 51 return true;
Vanger 26:2b769ed8de4f 52 }
Vanger 26:2b769ed8de4f 53
Vanger 26:2b769ed8de4f 54 bool EasyIP::connect()
Vanger 26:2b769ed8de4f 55 {
Vanger 33:3b6f3904dde0 56 //Check if APN is not set, if it is not, connect will not work.
Vanger 29:edc613ed3f2e 57 if (type == MTSMC_H5_IP || type == MTSMC_H5 || type == MTSMC_G3) {
Vanger 29:edc613ed3f2e 58 if(apn.size() == 0) {
Vanger 29:edc613ed3f2e 59 logDebug("APN is not set");
Vanger 29:edc613ed3f2e 60 return false;
Vanger 29:edc613ed3f2e 61 }
Vanger 29:edc613ed3f2e 62 }
Vanger 29:edc613ed3f2e 63
Vanger 26:2b769ed8de4f 64 //Check if socket is open
Vanger 26:2b769ed8de4f 65 //flag stored in Cellular.h
Vanger 26:2b769ed8de4f 66 if(socketOpened) {
Vanger 26:2b769ed8de4f 67 return true;
Vanger 26:2b769ed8de4f 68 }
Vanger 26:2b769ed8de4f 69
Vanger 26:2b769ed8de4f 70 //Check if already connected
Vanger 26:2b769ed8de4f 71 //by calling the function isConnected() in EasyIP.cpp
Vanger 26:2b769ed8de4f 72 if(isConnected()) {
Vanger 26:2b769ed8de4f 73 return true;
Vanger 26:2b769ed8de4f 74 }
Vanger 26:2b769ed8de4f 75 //Create an mbed timer object
Vanger 26:2b769ed8de4f 76 Timer tmr;
Vanger 26:2b769ed8de4f 77 //Check Registration: AT+CREG? == 0,1
Vanger 26:2b769ed8de4f 78 //(Does the AT command inside Cellular class)
Vanger 26:2b769ed8de4f 79 tmr.start();
Vanger 35:257eb41405e1 80
Vanger 26:2b769ed8de4f 81 do {
Vanger 26:2b769ed8de4f 82 Registration registration = getRegistration();
Vanger 26:2b769ed8de4f 83 if(registration != REGISTERED) {
Vanger 26:2b769ed8de4f 84 logTrace("Not Registered [%d] ... waiting", (int)registration);
Vanger 26:2b769ed8de4f 85 wait(1);
Vanger 26:2b769ed8de4f 86 } else {
Vanger 26:2b769ed8de4f 87 break;
Vanger 26:2b769ed8de4f 88 }
Vanger 30:1326b623919a 89 } while(tmr.read() < 30);
Vanger 26:2b769ed8de4f 90 //Check RSSI: AT+CSQ
Vanger 26:2b769ed8de4f 91 //Does the command inside Cellular
Vanger 26:2b769ed8de4f 92 tmr.reset();
Vanger 26:2b769ed8de4f 93 do {
Vanger 26:2b769ed8de4f 94 int rssi = getSignalStrength();
Vanger 26:2b769ed8de4f 95 logDebug("Signal strength: %d", rssi);
Vanger 30:1326b623919a 96 if((rssi == 99) || (rssi == -1)) {
Vanger 26:2b769ed8de4f 97 logTrace("No Signal ... waiting");
Vanger 26:2b769ed8de4f 98 wait(1);
Vanger 26:2b769ed8de4f 99 } else {
Vanger 26:2b769ed8de4f 100 break;
Vanger 26:2b769ed8de4f 101 }
Vanger 26:2b769ed8de4f 102 } while(tmr.read() < 30);
Vanger 26:2b769ed8de4f 103
Vanger 27:ec44d5a9544f 104 //Similar to AT#CONNECTIONSTART: Make a PPP connection
Vanger 26:2b769ed8de4f 105 if (type == MTSMC_H5 || type == MTSMC_G3) {
Vanger 26:2b769ed8de4f 106 logDebug("Making PPP Connection Attempt. APN[%s]", apn.c_str());
Vanger 26:2b769ed8de4f 107 } else {
Vanger 26:2b769ed8de4f 108 logDebug("Making PPP Connection Attempt");
Vanger 26:2b769ed8de4f 109 }
Vanger 26:2b769ed8de4f 110 //The main thing going on; Sends the AT command to start a connection
Vanger 30:1326b623919a 111 //Assuming context is already stored in the modem
Vanger 35:257eb41405e1 112 std::string pppResult = sendCommand("AT#SGACT=1,1", 5000);
Vanger 30:1326b623919a 113 std::vector<std::string> parts;
Vanger 26:2b769ed8de4f 114 if(pppResult.find("OK") != std::string::npos) {
Vanger 30:1326b623919a 115 parts = Text::split(pppResult, "\r\n");
Vanger 26:2b769ed8de4f 116 if(parts.size() >= 2) {
Vanger 26:2b769ed8de4f 117 parts = Text::split(parts[1], " ");
Vanger 26:2b769ed8de4f 118 local_address = parts[1];
Vanger 26:2b769ed8de4f 119 }
Vanger 26:2b769ed8de4f 120 logInfo("PPP Connection Established: IP[%s]", local_address.c_str());
Vanger 26:2b769ed8de4f 121 pppConnected = true;
Vanger 26:2b769ed8de4f 122
Vanger 26:2b769ed8de4f 123 } else {
Vanger 30:1326b623919a 124 pppResult = sendCommand("AT#SGACT?", 2000);
Vanger 30:1326b623919a 125 if(pppResult.empty() || (pppResult.find("ERROR") != std::string::npos)) {
Vanger 30:1326b623919a 126 pppConnected = false;
Vanger 30:1326b623919a 127 } else {
Vanger 30:1326b623919a 128 if(pppResult.find("1,1") != std::string::npos) {
Vanger 35:257eb41405e1 129 logDebug("Radio is already connected");
Vanger 30:1326b623919a 130 pppConnected = true;
Vanger 30:1326b623919a 131 } else {
Vanger 30:1326b623919a 132 pppConnected = false;
Vanger 30:1326b623919a 133 }
Vanger 30:1326b623919a 134 }
Vanger 26:2b769ed8de4f 135 }
Vanger 26:2b769ed8de4f 136
Vanger 26:2b769ed8de4f 137 return pppConnected;
Vanger 26:2b769ed8de4f 138 }
Vanger 26:2b769ed8de4f 139
Vanger 26:2b769ed8de4f 140 void EasyIP::disconnect()
Vanger 26:2b769ed8de4f 141 {
Vanger 26:2b769ed8de4f 142 //AT#SGACT=1,0: Close a PPP connection
Vanger 28:f93d7b3f7c2e 143 logDebug("Closing PPP Connection");
Vanger 26:2b769ed8de4f 144 if(socketOpened) {
Vanger 30:1326b623919a 145 if(!close()) { //Calls another EasyIP function to close socket before disconnect
Vanger 30:1326b623919a 146 logDebug("Failed to close socket for disconnect");
Vanger 30:1326b623919a 147 return; //Can't close connection without AT commands
Vanger 30:1326b623919a 148 //(and thus need socket closed)
Vanger 30:1326b623919a 149 }
Vanger 26:2b769ed8de4f 150 }
Vanger 35:257eb41405e1 151 std::string result;
Vanger 35:257eb41405e1 152 Timer tmr;
Vanger 26:2b769ed8de4f 153 //Sends AT#SGACT=1,0 command
Vanger 35:257eb41405e1 154 if (sendBasicCommand("AT#SGACT=1,0", 1000) == MTS_SUCCESS) {
Vanger 30:1326b623919a 155 pppConnected = false;
Vanger 30:1326b623919a 156 logDebug("Successfully closed PPP Connection");
Vanger 30:1326b623919a 157 }
Vanger 35:257eb41405e1 158
Vanger 35:257eb41405e1 159 tmr.start();
Vanger 35:257eb41405e1 160 while(tmr.read() < 30) {
Vanger 35:257eb41405e1 161 result = sendCommand("AT#SGACT?", 1000);
Vanger 35:257eb41405e1 162 if(result.find("1,0") != std::string::npos) {
Vanger 35:257eb41405e1 163 pppConnected = false;
Vanger 35:257eb41405e1 164 break;
Vanger 35:257eb41405e1 165 } else if(result.find("ERROR") != std::string::npos) {
Vanger 35:257eb41405e1 166 break;
Vanger 35:257eb41405e1 167 } else {
Vanger 35:257eb41405e1 168 wait(1);
Vanger 35:257eb41405e1 169 }
Vanger 35:257eb41405e1 170 }
Vanger 35:257eb41405e1 171
Vanger 35:257eb41405e1 172 if(pppConnected) {
Vanger 35:257eb41405e1 173 wait(30);
Vanger 35:257eb41405e1 174 pppConnected = false;
Vanger 35:257eb41405e1 175 }
Vanger 35:257eb41405e1 176
Vanger 30:1326b623919a 177 return;
Vanger 26:2b769ed8de4f 178 }
Vanger 27:ec44d5a9544f 179
Vanger 26:2b769ed8de4f 180 bool EasyIP::isConnected()
Vanger 26:2b769ed8de4f 181 {
Vanger 29:edc613ed3f2e 182 std::string stateString;
Vanger 29:edc613ed3f2e 183 std::vector<std::string> pieces;
Vanger 30:1326b623919a 184 //state flags for various connection checks
Vanger 30:1326b623919a 185 bool signal = false, regist = false, active = false;
Vanger 26:2b769ed8de4f 186
Vanger 29:edc613ed3f2e 187 //1) Check if APN was set if we're on an HSPA radio
Vanger 29:edc613ed3f2e 188 if (type == MTSMC_H5_IP || type == MTSMC_H5 || type == MTSMC_G3) {
Vanger 29:edc613ed3f2e 189 if(apn.size() == 0) {
Vanger 29:edc613ed3f2e 190 logDebug("APN is not set");
Vanger 29:edc613ed3f2e 191 return false;
Vanger 29:edc613ed3f2e 192 }
Vanger 29:edc613ed3f2e 193 }
Vanger 29:edc613ed3f2e 194
Vanger 29:edc613ed3f2e 195 //2) Check that we do not have a live connection up
Vanger 29:edc613ed3f2e 196 if(socketOpened) {
Vanger 29:edc613ed3f2e 197 logDebug("Socket is opened");
Vanger 29:edc613ed3f2e 198 return true;
Vanger 29:edc613ed3f2e 199 }
Vanger 29:edc613ed3f2e 200
Vanger 30:1326b623919a 201
Vanger 29:edc613ed3f2e 202 //3) Query the radio
Vanger 29:edc613ed3f2e 203 //Check antenna signal
Vanger 30:1326b623919a 204 std::string reply = sendCommand("AT+CSQ", 500);
Vanger 29:edc613ed3f2e 205 if(reply.empty() || (reply.find("ERROR") != std::string::npos)) {
Vanger 29:edc613ed3f2e 206 signal = false;
Vanger 29:edc613ed3f2e 207 } else {
Vanger 29:edc613ed3f2e 208 pieces = Text::split(reply, "\r\n");
Vanger 29:edc613ed3f2e 209 if(pieces.size() >= 2) {
Vanger 29:edc613ed3f2e 210 pieces = Text::split(pieces[1], " ");
Vanger 29:edc613ed3f2e 211 if(pieces.size() >= 2) {
Vanger 29:edc613ed3f2e 212 if((pieces[1].find("0,0") != std::string::npos) || (pieces[1].find("99,99") != std::string::npos)) {
Vanger 29:edc613ed3f2e 213 signal = false;
Vanger 29:edc613ed3f2e 214 } else {
Vanger 29:edc613ed3f2e 215 signal = true;
Vanger 29:edc613ed3f2e 216 }
Vanger 29:edc613ed3f2e 217 }
Vanger 29:edc613ed3f2e 218 }
Vanger 29:edc613ed3f2e 219 }
Vanger 27:ec44d5a9544f 220
Vanger 29:edc613ed3f2e 221 //Check cell tower registration
Vanger 30:1326b623919a 222 reply = sendCommand("AT+CREG?", 500);
Vanger 29:edc613ed3f2e 223 if(reply.empty() || (reply.find("ERROR") != std::string::npos)) {
Vanger 29:edc613ed3f2e 224 regist = false;
Vanger 29:edc613ed3f2e 225 } else {
Vanger 29:edc613ed3f2e 226 pieces = Text::split(reply, "\r\n");
Vanger 29:edc613ed3f2e 227 if(pieces.size() >= 2) {
Vanger 29:edc613ed3f2e 228 pieces = Text::split(pieces[1], " ");
Vanger 29:edc613ed3f2e 229 if(pieces.size() >= 2) {
Vanger 29:edc613ed3f2e 230 if((pieces[1].find("0,1") != std::string::npos) || (pieces[1].find("0,5") != std::string::npos)) {
Vanger 29:edc613ed3f2e 231 regist = true; //1 for connected, 5 for roaming connected
Vanger 29:edc613ed3f2e 232 } else {
Vanger 29:edc613ed3f2e 233 regist = false; //Cell tower not registered
Vanger 29:edc613ed3f2e 234 }
Vanger 29:edc613ed3f2e 235 }
Vanger 29:edc613ed3f2e 236 }
Vanger 29:edc613ed3f2e 237 }
Vanger 27:ec44d5a9544f 238
Vanger 33:3b6f3904dde0 239 //Check active context (SGACT = 1,1)
Vanger 30:1326b623919a 240 reply = sendCommand("AT#SGACT?", 500);
Vanger 29:edc613ed3f2e 241 if(reply.empty() || (reply.find("ERROR") != std::string::npos)) {
Vanger 29:edc613ed3f2e 242 active = false;
Vanger 29:edc613ed3f2e 243 } else {
Vanger 29:edc613ed3f2e 244 pieces = Text::split(reply, "\r\n");
Vanger 29:edc613ed3f2e 245 if(pieces.size() >= 2) {
Vanger 29:edc613ed3f2e 246 pieces = Text::split(pieces[1], " ");
Vanger 29:edc613ed3f2e 247 if(pieces.size() >= 2) {
Vanger 29:edc613ed3f2e 248 if(pieces[1].find("1,1") != std::string::npos) {
Vanger 29:edc613ed3f2e 249 active = true; //1 for an active connection mode
Vanger 29:edc613ed3f2e 250 } else {
Vanger 29:edc613ed3f2e 251 active = false; //0, or unknown value, is an inactive connection mode
Vanger 29:edc613ed3f2e 252 }
Vanger 29:edc613ed3f2e 253 }
Vanger 29:edc613ed3f2e 254 }
Vanger 29:edc613ed3f2e 255 }
Vanger 30:1326b623919a 256 //4) Determine radio state
Vanger 30:1326b623919a 257 if(regist && signal) {
Vanger 29:edc613ed3f2e 258 if(pppConnected) {
Vanger 30:1326b623919a 259 if(active) {
Vanger 30:1326b623919a 260 if(ping()) {
Vanger 30:1326b623919a 261 stateString = "CONNECTED";
Vanger 30:1326b623919a 262 pppConnected = true;
Vanger 29:edc613ed3f2e 263 } else {
Vanger 30:1326b623919a 264 stateString = "AUTHENTICATING";
Vanger 30:1326b623919a 265 pppConnected = true;
Vanger 30:1326b623919a 266 return false; //Return false instead of changing pppConnected due to the fact
Vanger 30:1326b623919a 267 //that it is connected to ppp, it just can't ping successfully
Vanger 29:edc613ed3f2e 268 }
Vanger 30:1326b623919a 269 } else {
Vanger 30:1326b623919a 270 stateString = "DISCONNECTING";
Vanger 30:1326b623919a 271 pppConnected = false;
Vanger 30:1326b623919a 272 }
Vanger 30:1326b623919a 273 } else {
Vanger 30:1326b623919a 274 if(active) {
Vanger 30:1326b623919a 275 if(ping()) {
Vanger 30:1326b623919a 276 pppConnected = true;
Vanger 30:1326b623919a 277 stateString = "CONNECTED";
Vanger 30:1326b623919a 278 } else {
Vanger 30:1326b623919a 279 stateString = "CONNECTING";
Vanger 30:1326b623919a 280 }
Vanger 30:1326b623919a 281 } else {
Vanger 30:1326b623919a 282 stateString = "IDLE";
Vanger 30:1326b623919a 283 }
Vanger 29:edc613ed3f2e 284 }
Vanger 30:1326b623919a 285 } else if(regist != signal) {
Vanger 30:1326b623919a 286 stateString = "CHECKING";
Vanger 35:257eb41405e1 287 return false;
Vanger 30:1326b623919a 288 } else if(!regist && !signal) {
Vanger 30:1326b623919a 289 stateString = "DISCONNECTED";
Vanger 30:1326b623919a 290 pppConnected = false;
Vanger 30:1326b623919a 291 }
Vanger 35:257eb41405e1 292
Vanger 35:257eb41405e1 293 std::string pppStatus = pppConnected ? "CONNECTED" : "DISCONNECTED";
Vanger 35:257eb41405e1 294 if(stateString != pppStatus) {
Vanger 35:257eb41405e1 295 logDebug("Internal PPP state[%s], radio state[%s])",pppStatus.c_str() ,stateString.c_str());
Vanger 29:edc613ed3f2e 296 }
Vanger 26:2b769ed8de4f 297 return pppConnected;
Vanger 26:2b769ed8de4f 298 }
Vanger 30:1326b623919a 299
Vanger 33:3b6f3904dde0 300 //Resets the radio
Vanger 33:3b6f3904dde0 301 void EasyIP::reset()
Vanger 33:3b6f3904dde0 302 {
Vanger 33:3b6f3904dde0 303 disconnect();
Vanger 33:3b6f3904dde0 304 if(sendBasicCommand("AT#REBOOT", 10000) != MTS_SUCCESS) {
Vanger 33:3b6f3904dde0 305 logError("Socket Modem did not accept RESET command\n\r");
Vanger 33:3b6f3904dde0 306 } else {
Vanger 33:3b6f3904dde0 307 logWarning("Socket Modem is resetting, allow 30 seconds for it to come back\n\r");
Vanger 33:3b6f3904dde0 308 return;
Vanger 33:3b6f3904dde0 309 }
Vanger 33:3b6f3904dde0 310 }
Vanger 33:3b6f3904dde0 311
Vanger 26:2b769ed8de4f 312 //Binds the socket to a specific port if able
Vanger 26:2b769ed8de4f 313 bool EasyIP::bind(unsigned int port)
Vanger 26:2b769ed8de4f 314 {
Vanger 30:1326b623919a 315 if(socketOpened) {
Vanger 30:1326b623919a 316 logError("socket is open. Can not set local port");
Vanger 30:1326b623919a 317 return false;
Vanger 30:1326b623919a 318 }
Vanger 30:1326b623919a 319 if(port > 65535) {
Vanger 30:1326b623919a 320 logError("port out of range (0-65535)");
Vanger 30:1326b623919a 321 return false;
Vanger 30:1326b623919a 322 }
Vanger 30:1326b623919a 323 local_port = port;
Vanger 26:2b769ed8de4f 324 return true;
Vanger 26:2b769ed8de4f 325 }
Vanger 27:ec44d5a9544f 326
Vanger 26:2b769ed8de4f 327 bool EasyIP::open(const std::string& address, unsigned int port, Mode mode)
Vanger 26:2b769ed8de4f 328 {
Vanger 30:1326b623919a 329 char sOpenSocketCmd[256] = {0}; //String for AT command
Vanger 30:1326b623919a 330 std::string sMode = "";
Vanger 31:529db15abda7 331 int typeSocket = 0;
Vanger 31:529db15abda7 332 int closeType = 0;
Vanger 30:1326b623919a 333
Vanger 30:1326b623919a 334 //1) Check that we do not have a live connection up
Vanger 30:1326b623919a 335 if(socketOpened) {
Vanger 30:1326b623919a 336 //Check that the address, port, and mode match
Vanger 30:1326b623919a 337 if(host_address != address || host_port != port || socketMode != mode) {
Vanger 30:1326b623919a 338 if(socketMode == TCP) {
Vanger 30:1326b623919a 339 logError("TCP socket already opened [%s:%d]", host_address.c_str(), host_port);
Vanger 30:1326b623919a 340 } else {
Vanger 30:1326b623919a 341 logError("UDP socket already opened [%s:%d]", host_address.c_str(), host_port);
Vanger 30:1326b623919a 342 }
Vanger 30:1326b623919a 343 return false;
Vanger 30:1326b623919a 344 }
Vanger 30:1326b623919a 345
Vanger 30:1326b623919a 346 logDebug("Socket already opened");
Vanger 30:1326b623919a 347 return true;
Vanger 30:1326b623919a 348 }
Vanger 30:1326b623919a 349
Vanger 30:1326b623919a 350 //2) Check Parameters
Vanger 30:1326b623919a 351 if(port > 65535) {
Vanger 30:1326b623919a 352 logError("port out of range (0-65535)");
Vanger 30:1326b623919a 353 return false;
Vanger 30:1326b623919a 354 }
Vanger 30:1326b623919a 355
Vanger 30:1326b623919a 356 //3) Check PPP connection
Vanger 30:1326b623919a 357 if(!isConnected()) {
Vanger 30:1326b623919a 358 logError("PPP not established. Attempting to connect");
Vanger 30:1326b623919a 359 if(!connect()) {
Vanger 30:1326b623919a 360 logError("PPP connection failed");
Vanger 30:1326b623919a 361 return false;
Vanger 30:1326b623919a 362 } else {
Vanger 30:1326b623919a 363 logDebug("PPP connection established");
Vanger 30:1326b623919a 364 }
Vanger 30:1326b623919a 365 }
Vanger 30:1326b623919a 366
Vanger 30:1326b623919a 367 //4) Set escape sequence to not be transmitted
Vanger 30:1326b623919a 368 if(sendBasicCommand("AT#SKIPESC=1", 2000) != MTS_SUCCESS) {
Vanger 30:1326b623919a 369 logWarning("Failed to disable escape sequence transmission on data mode suspension");
Vanger 30:1326b623919a 370 }
Vanger 30:1326b623919a 371
Vanger 30:1326b623919a 372 if(mode == TCP) {
Vanger 30:1326b623919a 373 typeSocket = 0;
Vanger 30:1326b623919a 374 sMode = "TCP";
Vanger 30:1326b623919a 375 } else {
Vanger 30:1326b623919a 376 typeSocket = 1;
Vanger 30:1326b623919a 377 sMode = "UDP";
Vanger 30:1326b623919a 378 }
Vanger 31:529db15abda7 379
Vanger 31:529db15abda7 380 if(socketCloseable) {
Vanger 31:529db15abda7 381 closeType = 0;
Vanger 31:529db15abda7 382 } else {
Vanger 31:529db15abda7 383 closeType = 255;
Vanger 31:529db15abda7 384 }
Vanger 31:529db15abda7 385 //5) Open Socket
Vanger 31:529db15abda7 386 sprintf(sOpenSocketCmd, "AT#SD=1,%d,%d,%s,%d,%d,0", typeSocket, port, address.c_str(),closeType , local_port);
Vanger 35:257eb41405e1 387 std::string response = sendCommand(sOpenSocketCmd, 140000);
Vanger 30:1326b623919a 388
Vanger 30:1326b623919a 389 if(response.find("CONNECT") != std::string::npos) {
Vanger 30:1326b623919a 390 host_address = address;
Vanger 30:1326b623919a 391 host_port = port;
Vanger 30:1326b623919a 392
Vanger 30:1326b623919a 393 logInfo("Opened %s Socket [%s:%d]", sMode.c_str(), address.c_str(), port);
Vanger 30:1326b623919a 394 socketOpened = true;
Vanger 30:1326b623919a 395 socketMode = mode;
Vanger 30:1326b623919a 396 } else {
Vanger 30:1326b623919a 397 logWarning("Unable to open %s Socket [%s:%d]", sMode.c_str(), address.c_str(), port);
Vanger 30:1326b623919a 398 socketOpened = false;
Vanger 30:1326b623919a 399 }
Vanger 30:1326b623919a 400
Vanger 26:2b769ed8de4f 401 return socketOpened;
Vanger 26:2b769ed8de4f 402 }
Vanger 27:ec44d5a9544f 403
Vanger 26:2b769ed8de4f 404 bool EasyIP::isOpen()
Vanger 26:2b769ed8de4f 405 {
Vanger 30:1326b623919a 406 if(io->readable()) {
Vanger 30:1326b623919a 407 logDebug("Assuming open, data available to read.\n\r");
Vanger 30:1326b623919a 408 return true;
Vanger 30:1326b623919a 409 }
Vanger 26:2b769ed8de4f 410 return socketOpened;
Vanger 26:2b769ed8de4f 411 }
Vanger 27:ec44d5a9544f 412
Vanger 26:2b769ed8de4f 413 bool EasyIP::close()
Vanger 26:2b769ed8de4f 414 {
Vanger 26:2b769ed8de4f 415
Vanger 30:1326b623919a 416 if(io == NULL) {
Vanger 30:1326b623919a 417 logError("MTSBufferedIO not set");
Vanger 30:1326b623919a 418 return false;
Vanger 30:1326b623919a 419 }
Vanger 30:1326b623919a 420
Vanger 30:1326b623919a 421 if(!socketOpened) {
Vanger 30:1326b623919a 422 logWarning("Socket close() called, but socket was not open");
Vanger 30:1326b623919a 423 return true;
Vanger 30:1326b623919a 424 }
Vanger 30:1326b623919a 425
Vanger 30:1326b623919a 426 if(!socketCloseable) {
Vanger 30:1326b623919a 427 logError("Socket is not closeable");
Vanger 30:1326b623919a 428 return false;
Vanger 30:1326b623919a 429 }
Vanger 30:1326b623919a 430
Vanger 30:1326b623919a 431 if(!sendEscapeCommand()) {
Vanger 30:1326b623919a 432 logError("Failed to exit online mode");
Vanger 30:1326b623919a 433 return false;
Vanger 30:1326b623919a 434 } else {
Vanger 30:1326b623919a 435 socketOpened = false;
Vanger 30:1326b623919a 436 }
Vanger 30:1326b623919a 437
Vanger 30:1326b623919a 438 if(sendBasicCommand("AT#SH=1", 2000) != MTS_SUCCESS) {
Vanger 30:1326b623919a 439 logDebug("Failed to close socket connection");
Vanger 30:1326b623919a 440 }
Vanger 30:1326b623919a 441
Vanger 30:1326b623919a 442 Timer tmr;
Vanger 30:1326b623919a 443 int counter = 0;
Vanger 30:1326b623919a 444 char tmp[256];
Vanger 30:1326b623919a 445 tmr.start();
Vanger 30:1326b623919a 446 do {
Vanger 30:1326b623919a 447 if(socketOpened == false) {
Vanger 30:1326b623919a 448 break;
Vanger 30:1326b623919a 449 }
Vanger 30:1326b623919a 450 read(tmp, 256, 1000);
Vanger 30:1326b623919a 451 } while(counter++ < 10);
Vanger 30:1326b623919a 452
Vanger 30:1326b623919a 453 io->rxClear();
Vanger 30:1326b623919a 454 io->txClear();
Vanger 30:1326b623919a 455
Vanger 30:1326b623919a 456 return !socketOpened;
Vanger 26:2b769ed8de4f 457 }
Vanger 26:2b769ed8de4f 458
Vanger 26:2b769ed8de4f 459 int EasyIP::read(char* data, int max, int timeout)
Vanger 26:2b769ed8de4f 460 {
Vanger 30:1326b623919a 461 if(io == NULL) {
Vanger 30:1326b623919a 462 logError("MTSBufferedIO not set");
Vanger 30:1326b623919a 463 return -1;
Vanger 30:1326b623919a 464 }
Vanger 30:1326b623919a 465
Vanger 30:1326b623919a 466 //Check that nothing is in the rx buffer
Vanger 30:1326b623919a 467 if(!socketOpened && !io->readable()) {
Vanger 30:1326b623919a 468 logError("Socket is not open");
Vanger 30:1326b623919a 469 return -1;
Vanger 30:1326b623919a 470 }
Vanger 30:1326b623919a 471
Vanger 30:1326b623919a 472 int bytesRead = 0;
Vanger 30:1326b623919a 473
Vanger 30:1326b623919a 474
Vanger 30:1326b623919a 475 if(timeout >= 0) {
Vanger 30:1326b623919a 476 bytesRead = io->read(data, max, static_cast<unsigned int>(timeout));
Vanger 30:1326b623919a 477 } else {
Vanger 30:1326b623919a 478 bytesRead = io->read(data, max);
Vanger 30:1326b623919a 479 }
Vanger 35:257eb41405e1 480
Vanger 35:257eb41405e1 481 //Scan for socket closed message
Vanger 31:529db15abda7 482 if(bytesRead > 0 && socketCloseable) {
Vanger 35:257eb41405e1 483 for(int i = 0; i < bytesRead; i++) {
Vanger 31:529db15abda7 484 if(data[i] == 'N') {
Vanger 31:529db15abda7 485 if(strstr(&data[i], "NO CARRIER")) {
Vanger 31:529db15abda7 486 logTrace("Found socket closed message. Checking validity");
Vanger 31:529db15abda7 487 //Close socket and Cut Off End of Message
Vanger 31:529db15abda7 488 socketOpened = socketCheck(); //Verifies legitimacy of socket disconnect
Vanger 31:529db15abda7 489 if(socketOpened) {
Vanger 31:529db15abda7 490 logDebug("Socket still open");
Vanger 31:529db15abda7 491 continue;
Vanger 31:529db15abda7 492 } else {
Vanger 31:529db15abda7 493 logDebug("Socket closed");
Vanger 31:529db15abda7 494 data[i] = '\0';
Vanger 31:529db15abda7 495 bytesRead = i;
Vanger 31:529db15abda7 496 break;
Vanger 31:529db15abda7 497 }
Vanger 30:1326b623919a 498 }
Vanger 30:1326b623919a 499 }
Vanger 30:1326b623919a 500 }
Vanger 30:1326b623919a 501 }
Vanger 30:1326b623919a 502 return bytesRead;
Vanger 26:2b769ed8de4f 503 }
Vanger 26:2b769ed8de4f 504
Vanger 26:2b769ed8de4f 505 int EasyIP::write(const char* data, int length, int timeout)
Vanger 26:2b769ed8de4f 506 {
Vanger 30:1326b623919a 507 if(io == NULL) {
Vanger 30:1326b623919a 508 logError("MTSBufferedIO not set");
Vanger 30:1326b623919a 509 return -1;
Vanger 30:1326b623919a 510 }
Vanger 30:1326b623919a 511
Vanger 30:1326b623919a 512 if(!socketOpened) {
Vanger 30:1326b623919a 513 logError("Socket is not open");
Vanger 30:1326b623919a 514 return -1;
Vanger 30:1326b623919a 515 }
Vanger 30:1326b623919a 516
Vanger 30:1326b623919a 517 int bytesWritten = 0;
Vanger 31:529db15abda7 518 int size = length;
Vanger 31:529db15abda7 519 int failedWrites = 0;
Vanger 30:1326b623919a 520 if(timeout >= 0) {
Vanger 30:1326b623919a 521 Timer tmr;
Vanger 30:1326b623919a 522 tmr.start();
Vanger 30:1326b623919a 523 do {
Vanger 30:1326b623919a 524 int available = io->writeable();
Vanger 30:1326b623919a 525 if (available > 0) {
Vanger 31:529db15abda7 526 size = MIN(available, length - bytesWritten);
Vanger 31:529db15abda7 527 bytesWritten += io->write(&data[bytesWritten], size);
Vanger 30:1326b623919a 528 } else {
Vanger 30:1326b623919a 529 wait(0.05);
Vanger 30:1326b623919a 530 }
Vanger 30:1326b623919a 531 } while (tmr.read_ms() <= timeout && bytesWritten < length);
Vanger 30:1326b623919a 532 } else {
Vanger 31:529db15abda7 533 //If timeout is -1:
Vanger 31:529db15abda7 534 do {
Vanger 31:529db15abda7 535 int available = io->writeable();
Vanger 31:529db15abda7 536 if(available > 0) {
Vanger 31:529db15abda7 537 size = MIN(available, length - bytesWritten);
Vanger 31:529db15abda7 538 int currentWritten = io->write(&data[bytesWritten], size);
Vanger 31:529db15abda7 539 bytesWritten += currentWritten;
Vanger 31:529db15abda7 540 if(!currentWritten) {
Vanger 31:529db15abda7 541 failedWrites++;
Vanger 31:529db15abda7 542 }
Vanger 31:529db15abda7 543 if(failedWrites > 10) {
Vanger 31:529db15abda7 544 logError("Couldn't write any characters");
Vanger 31:529db15abda7 545 return bytesWritten;
Vanger 31:529db15abda7 546 }
Vanger 31:529db15abda7 547 } else {
Vanger 31:529db15abda7 548 wait(0.05);
Vanger 30:1326b623919a 549 }
Vanger 31:529db15abda7 550 } while (bytesWritten < length);
Vanger 30:1326b623919a 551 }
Vanger 30:1326b623919a 552 return bytesWritten;
Vanger 26:2b769ed8de4f 553 }
Vanger 26:2b769ed8de4f 554
Vanger 26:2b769ed8de4f 555 unsigned int EasyIP::readable()
Vanger 26:2b769ed8de4f 556 {
Vanger 30:1326b623919a 557 if(io == NULL) {
Vanger 30:1326b623919a 558 logWarning("MTSBufferedIO not set");
Vanger 30:1326b623919a 559 return 0;
Vanger 30:1326b623919a 560 }
Vanger 30:1326b623919a 561 if(!socketOpened && !io->readable()) {
Vanger 30:1326b623919a 562 logWarning("Socket is not open");
Vanger 30:1326b623919a 563 return 0;
Vanger 30:1326b623919a 564 }
Vanger 26:2b769ed8de4f 565 return io->readable();
Vanger 26:2b769ed8de4f 566 }
Vanger 26:2b769ed8de4f 567
Vanger 26:2b769ed8de4f 568 unsigned int EasyIP::writeable()
Vanger 26:2b769ed8de4f 569 {
Vanger 30:1326b623919a 570 if(io == NULL) {
Vanger 30:1326b623919a 571 logWarning("MTSBufferedIO not set");
Vanger 30:1326b623919a 572 return 0;
Vanger 30:1326b623919a 573 }
Vanger 30:1326b623919a 574 if(!socketOpened) {
Vanger 30:1326b623919a 575 logWarning("Socket is not open");
Vanger 30:1326b623919a 576 return 0;
Vanger 30:1326b623919a 577 }
Vanger 26:2b769ed8de4f 578
Vanger 26:2b769ed8de4f 579 return io->writeable();
Vanger 26:2b769ed8de4f 580 }
Vanger 26:2b769ed8de4f 581
Vanger 26:2b769ed8de4f 582 bool EasyIP::setDeviceIP(std::string address)
Vanger 26:2b769ed8de4f 583 {
Vanger 26:2b769ed8de4f 584 if (address.compare("DHCP") == 0) {
Vanger 26:2b769ed8de4f 585 return true;
Vanger 26:2b769ed8de4f 586 } else {
Vanger 26:2b769ed8de4f 587 logWarning("Radio does not support static IPs, using DHCP.\n\r");
Vanger 26:2b769ed8de4f 588 return false;
Vanger 26:2b769ed8de4f 589 }
Vanger 26:2b769ed8de4f 590 }
Vanger 26:2b769ed8de4f 591
Vanger 26:2b769ed8de4f 592 Code EasyIP::setApn(const std::string& apn)
Vanger 26:2b769ed8de4f 593 {
Vanger 26:2b769ed8de4f 594 if (type == MTSMC_H5 || type == MTSMC_G3) {
Vanger 26:2b769ed8de4f 595 //Set IP,PPP,IPv6
Vanger 26:2b769ed8de4f 596 Code code = sendBasicCommand("AT+CGDCONT=1,PPP," + apn, 1000);
Vanger 26:2b769ed8de4f 597 if (code != MTS_SUCCESS) {
Vanger 33:3b6f3904dde0 598 return code; //This will return whatever is not MTS_SUCCESS
Vanger 26:2b769ed8de4f 599 }
Vanger 26:2b769ed8de4f 600 this->apn = apn;
Vanger 26:2b769ed8de4f 601 return code; //This will return MTS_SUCCESS
Vanger 26:2b769ed8de4f 602 } else {
Vanger 26:2b769ed8de4f 603 logInfo("CDMA radios don't need an APN");
Vanger 26:2b769ed8de4f 604 return MTS_SUCCESS;
Vanger 26:2b769ed8de4f 605 }
Vanger 26:2b769ed8de4f 606 }
Vanger 27:ec44d5a9544f 607
Vanger 26:2b769ed8de4f 608 std::string EasyIP::getDeviceIP()
Vanger 26:2b769ed8de4f 609 {
Vanger 26:2b769ed8de4f 610 return local_address;
Vanger 26:2b769ed8de4f 611 }
Vanger 26:2b769ed8de4f 612
Vanger 32:7d5581159bed 613 //Turns off echo when it receives a true, turns on when it receives false
Vanger 26:2b769ed8de4f 614 Code EasyIP::echo(bool state)
Vanger 26:2b769ed8de4f 615 {
Vanger 27:ec44d5a9544f 616 Code code;
Vanger 27:ec44d5a9544f 617 if (state) {
Vanger 27:ec44d5a9544f 618 code = sendBasicCommand("ATE0", 1000);
Vanger 27:ec44d5a9544f 619 echoMode = (code == MTS_SUCCESS) ? false : echoMode;
Vanger 27:ec44d5a9544f 620 } else {
Vanger 27:ec44d5a9544f 621 code = sendBasicCommand("ATE1", 1000);
Vanger 27:ec44d5a9544f 622 echoMode = (code == MTS_SUCCESS) ? true : echoMode;
Vanger 27:ec44d5a9544f 623 }
Vanger 27:ec44d5a9544f 624 return code;
Vanger 26:2b769ed8de4f 625 }
Vanger 26:2b769ed8de4f 626
Vanger 26:2b769ed8de4f 627 bool EasyIP::ping(const std::string& address)
Vanger 26:2b769ed8de4f 628 {
Vanger 26:2b769ed8de4f 629 char buffer[256] = {0};
Vanger 27:ec44d5a9544f 630 std::vector<std::string> parts;
Vanger 27:ec44d5a9544f 631 int pingsRec=0;
Vanger 27:ec44d5a9544f 632 int TTL=0;
Vanger 27:ec44d5a9544f 633 int Timeout=0;
Vanger 27:ec44d5a9544f 634
Vanger 27:ec44d5a9544f 635 //Format parameters for sending to radio
Vanger 30:1326b623919a 636 sprintf(buffer, "AT#PING=%s,1,32,%d", address.c_str(), (PINGDELAY*10));
Vanger 26:2b769ed8de4f 637
Vanger 27:ec44d5a9544f 638 for(int pngs=0; pngs<PINGNUM; pngs++) {
Vanger 35:257eb41405e1 639 std::string response = sendCommand(buffer, (PINGDELAY*2000)); //Send 1 ping
Vanger 35:257eb41405e1 640 wait(0.5); //Radio seems to get stuck if no wait is incurred between issuing ping commands
Vanger 35:257eb41405e1 641 //leads to unknown registration state eventually :(
Vanger 28:f93d7b3f7c2e 642 if(response.empty()) {
Vanger 28:f93d7b3f7c2e 643 continue; //Skip current loop if send command fails
Vanger 28:f93d7b3f7c2e 644 }
Vanger 28:f93d7b3f7c2e 645 if(response.find("ERROR") != std::string::npos) {
Vanger 28:f93d7b3f7c2e 646 continue; //Skip current loop if send command fails
Vanger 28:f93d7b3f7c2e 647 }
Vanger 27:ec44d5a9544f 648 parts = Text::split(response, "\r\n");
Vanger 28:f93d7b3f7c2e 649 if(parts.size() < 2) {
Vanger 28:f93d7b3f7c2e 650 continue;
Vanger 28:f93d7b3f7c2e 651 }
Vanger 27:ec44d5a9544f 652 parts = Text::split(parts[1], ",");
Vanger 28:f93d7b3f7c2e 653 if(parts.size() < 4) {
Vanger 28:f93d7b3f7c2e 654 continue;
Vanger 28:f93d7b3f7c2e 655 }
Vanger 27:ec44d5a9544f 656 //Parse TTL and Timeout values
Vanger 27:ec44d5a9544f 657 Timeout = std::atoi(parts[2].c_str());
Vanger 27:ec44d5a9544f 658 TTL = std::atoi(parts[3].c_str());
Vanger 27:ec44d5a9544f 659
Vanger 27:ec44d5a9544f 660 if((Timeout < 600) && (TTL < 255)) {
Vanger 27:ec44d5a9544f 661 pingsRec++;
Vanger 27:ec44d5a9544f 662 }
Vanger 27:ec44d5a9544f 663 } //Success if less than 50% packet loss
Vanger 27:ec44d5a9544f 664 if( ((pingsRec/PINGNUM)>= 0.5) ) {
Vanger 27:ec44d5a9544f 665 return true;
Vanger 27:ec44d5a9544f 666 }
Vanger 26:2b769ed8de4f 667 return false;
Vanger 26:2b769ed8de4f 668 }
Vanger 26:2b769ed8de4f 669
Vanger 27:ec44d5a9544f 670 //Pass 1 to enable socket closeable
Vanger 27:ec44d5a9544f 671 //Pass 0 to disable socket closeable
Vanger 26:2b769ed8de4f 672 Code EasyIP::setSocketCloseable(bool enabled)
Vanger 26:2b769ed8de4f 673 {
Vanger 31:529db15abda7 674 if(socketCloseable == enabled) {
Vanger 31:529db15abda7 675 return MTS_SUCCESS;
Vanger 31:529db15abda7 676 }
Vanger 31:529db15abda7 677
Vanger 31:529db15abda7 678 if(socketOpened) {
Vanger 31:529db15abda7 679 logError("socket is already opened. Can not set closeable");
Vanger 31:529db15abda7 680 return MTS_ERROR;
Vanger 31:529db15abda7 681 }
Vanger 31:529db15abda7 682
Vanger 31:529db15abda7 683 socketCloseable = enabled;
Vanger 31:529db15abda7 684
Vanger 26:2b769ed8de4f 685 return MTS_SUCCESS;
Vanger 26:2b769ed8de4f 686 }
Vanger 33:3b6f3904dde0 687
Vanger 33:3b6f3904dde0 688 bool EasyIP::sendEscapeCommand()
Vanger 33:3b6f3904dde0 689 {
Vanger 33:3b6f3904dde0 690 //string Cellular::sendCommand(const std::string& command, unsigned int timeoutMillis, char esc)
Vanger 33:3b6f3904dde0 691 if(io == NULL) {
Vanger 33:3b6f3904dde0 692 logError("MTSBufferedIO not set");
Vanger 33:3b6f3904dde0 693 return false;
Vanger 33:3b6f3904dde0 694 }
Vanger 33:3b6f3904dde0 695 if(!socketOpened) {
Vanger 35:257eb41405e1 696 logError("Socket is not open. +++ Escape sequence should fail");
Vanger 33:3b6f3904dde0 697 }
Vanger 33:3b6f3904dde0 698
Vanger 33:3b6f3904dde0 699 if(!socketCloseable) {
Vanger 33:3b6f3904dde0 700 logError("Socket is not closeable");
Vanger 33:3b6f3904dde0 701 return false;
Vanger 33:3b6f3904dde0 702 }
Vanger 33:3b6f3904dde0 703
Vanger 33:3b6f3904dde0 704 io->rxClear();
Vanger 33:3b6f3904dde0 705 io->txClear();
Vanger 33:3b6f3904dde0 706
Vanger 33:3b6f3904dde0 707 std::string result;
Vanger 35:257eb41405e1 708 unsigned int timeoutMillis = 20000; //20s
Vanger 33:3b6f3904dde0 709 const int size_cmd = 3;
Vanger 33:3b6f3904dde0 710 //Attempt to write command
Vanger 35:257eb41405e1 711 wait(1.2); //Format for +++ command is 1 second wait, send +++, then another second wait
Vanger 33:3b6f3904dde0 712 //1s wait after command is implemented as a polling function for 2 seconds
Vanger 33:3b6f3904dde0 713 //Option: Could change wait periods to be longer/shorter (0-255)*50ms
Vanger 33:3b6f3904dde0 714 if(io->write("+++", size_cmd, timeoutMillis) != size_cmd) {
Vanger 33:3b6f3904dde0 715 //Failed to write command
Vanger 33:3b6f3904dde0 716 logError("failed to send command to radio within %d milliseconds", timeoutMillis);
Vanger 33:3b6f3904dde0 717 return false;
Vanger 33:3b6f3904dde0 718 }
Vanger 33:3b6f3904dde0 719
Vanger 33:3b6f3904dde0 720 int timer = 0;
Vanger 33:3b6f3904dde0 721 char tmp[256];
Vanger 33:3b6f3904dde0 722 tmp[255] = 0;
Vanger 33:3b6f3904dde0 723 bool done = false;
Vanger 33:3b6f3904dde0 724 io->read(tmp,255,0);
Vanger 33:3b6f3904dde0 725 bool exitmode = false;
Vanger 33:3b6f3904dde0 726
Vanger 33:3b6f3904dde0 727 do {
Vanger 33:3b6f3904dde0 728 wait(0.1);
Vanger 33:3b6f3904dde0 729 timer += 100;
Vanger 33:3b6f3904dde0 730 //Make a non-blocking read call by passing timeout of zero
Vanger 33:3b6f3904dde0 731 int size = io->read(tmp,255,0); //1 less than allocated (timeout is instant)
Vanger 33:3b6f3904dde0 732 if(size > 0) {
Vanger 33:3b6f3904dde0 733 result.append(tmp, size);
Vanger 33:3b6f3904dde0 734 }
Vanger 33:3b6f3904dde0 735 if(result.find("OK") != std::string::npos) {
Vanger 33:3b6f3904dde0 736 exitmode = true;
Vanger 33:3b6f3904dde0 737 done = true;
Vanger 33:3b6f3904dde0 738 } else if(result.find("NO CARRIER") != std::string::npos) {
Vanger 33:3b6f3904dde0 739 exitmode = true;
Vanger 33:3b6f3904dde0 740 done = true;
Vanger 33:3b6f3904dde0 741 } else if(result.find("ERROR") != std::string::npos) {
Vanger 33:3b6f3904dde0 742 exitmode = false;
Vanger 33:3b6f3904dde0 743 done = true;
Vanger 33:3b6f3904dde0 744 }
Vanger 33:3b6f3904dde0 745 if(timer >= timeoutMillis) {
Vanger 33:3b6f3904dde0 746 logDebug("Escape sequence [+++] timed out after %d milliseconds", timeoutMillis);
Vanger 33:3b6f3904dde0 747 exitmode = true;
Vanger 33:3b6f3904dde0 748 done = true;
Vanger 33:3b6f3904dde0 749 }
Vanger 33:3b6f3904dde0 750 } while (!done);
Vanger 33:3b6f3904dde0 751
Vanger 33:3b6f3904dde0 752 return exitmode;
Vanger 33:3b6f3904dde0 753 }
Vanger 33:3b6f3904dde0 754
Vanger 33:3b6f3904dde0 755 bool EasyIP::socketCheck() {
Vanger 33:3b6f3904dde0 756 bool status = false;
Vanger 33:3b6f3904dde0 757 std::string socketInfo = "9"; //9 is unrecognized
Vanger 33:3b6f3904dde0 758 std::vector<std::string> params;
Vanger 33:3b6f3904dde0 759
Vanger 33:3b6f3904dde0 760 //Goes from data mode to command mode
Vanger 33:3b6f3904dde0 761 if(sendEscapeCommand()) {
Vanger 33:3b6f3904dde0 762 socketOpened = false;
Vanger 33:3b6f3904dde0 763 if(sendBasicCommand("AT", 1000) == MTS_SUCCESS) {
Vanger 33:3b6f3904dde0 764 socketInfo = sendCommand("AT#SS=1", 2000);
Vanger 33:3b6f3904dde0 765 if(socketInfo.find("OK") != std::string::npos) {
Vanger 33:3b6f3904dde0 766 //Found valid response
Vanger 33:3b6f3904dde0 767 params = Text::split(socketInfo, "\r\n");
Vanger 33:3b6f3904dde0 768 params = Text::split(params[1], ",");
Vanger 33:3b6f3904dde0 769 socketInfo = params[1];
Vanger 33:3b6f3904dde0 770 //Check comparison of params[1] to response codes
Vanger 33:3b6f3904dde0 771 } else {
Vanger 33:3b6f3904dde0 772 logError("Could not determine socket status[%s]",socketInfo.c_str());
Vanger 33:3b6f3904dde0 773 socketInfo == "9"; //9 is unrecognized
Vanger 33:3b6f3904dde0 774 }
Vanger 33:3b6f3904dde0 775 }
Vanger 33:3b6f3904dde0 776 } else {
Vanger 33:3b6f3904dde0 777 status = false; //Return value of socketOpened when checking
Vanger 33:3b6f3904dde0 778 }
Vanger 33:3b6f3904dde0 779
Vanger 33:3b6f3904dde0 780 //Check socket status query
Vanger 33:3b6f3904dde0 781 if(socketInfo == "2" || socketInfo == "3" || socketInfo == "1" || socketInfo == "4") {
Vanger 33:3b6f3904dde0 782 status = true; //2 and 3 are suspended connections
Vanger 33:3b6f3904dde0 783 } else if(socketInfo == "0" || socketInfo == "5") {
Vanger 33:3b6f3904dde0 784 status = false; //0 is closed socket, probably won't occur
Vanger 33:3b6f3904dde0 785 } else {
Vanger 33:3b6f3904dde0 786 logError("Could not determine socket status");
Vanger 33:3b6f3904dde0 787 status = false; //anything else is unknown status
Vanger 33:3b6f3904dde0 788 }
Vanger 33:3b6f3904dde0 789
Vanger 33:3b6f3904dde0 790 //Reconnects to active socket if able
Vanger 33:3b6f3904dde0 791 if(status) {
Vanger 33:3b6f3904dde0 792 std::string reconnect = sendCommand("AT#SO=1", 2000);
Vanger 33:3b6f3904dde0 793 if(reconnect.find("CONNECT") != std::string::npos || reconnect.find("OK") != std::string::npos) {
Vanger 33:3b6f3904dde0 794 } else {
Vanger 33:3b6f3904dde0 795 logError("Failed to resume socket connection");
Vanger 33:3b6f3904dde0 796 }
Vanger 33:3b6f3904dde0 797 }
Vanger 33:3b6f3904dde0 798 return status;
Vanger 33:3b6f3904dde0 799 }