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391 lines
11 KiB
391 lines
11 KiB
/*
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This file is part of the GSM3 communications library for Arduino
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-- Multi-transport communications platform
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-- Fully asynchronous
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-- Includes code for the Arduino-Telefonica GSM/GPRS Shield V1
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-- Voice calls
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-- SMS
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-- TCP/IP connections
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-- HTTP basic clients
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This library has been developed by Telefónica Digital - PDI -
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- Physical Internet Lab, as part as its collaboration with
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Arduino and the Open Hardware Community.
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September-December 2012
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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The latest version of this library can always be found at
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https://github.com/BlueVia/Official-Arduino
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*/
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#include <GSM3ShieldV1MultiServerProvider.h>
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#include <GSM3ShieldV1ModemCore.h>
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#include <Arduino.h>
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#define __NCLIENTS_MAX__ 3
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const char _command_QILOCIP[] PROGMEM = "AT+QILOCIP";
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GSM3ShieldV1MultiServerProvider::GSM3ShieldV1MultiServerProvider()
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{
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theGSM3MobileServerProvider=this;
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socketsAsServer=0;
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socketsAccepted=0;
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theGSM3ShieldV1ModemCore.registerUMProvider(this);
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};
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//Response management.
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void GSM3ShieldV1MultiServerProvider::manageResponse(byte from, byte to)
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{
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switch(theGSM3ShieldV1ModemCore.getOngoingCommand())
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{
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case NONE:
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theGSM3ShieldV1ModemCore.gss.cb.deleteToTheEnd(from);
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break;
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case CONNECTSERVER:
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connectTCPServerContinue();
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break;
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case GETIP:
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getIPContinue();
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break;
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}
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}
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//Connect Server main function.
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int GSM3ShieldV1MultiServerProvider::connectTCPServer(int port)
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{
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// We forget about LocalIP as it has no real use, the modem does whatever it likes
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theGSM3ShieldV1ModemCore.setPort(port);
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theGSM3ShieldV1ModemCore.openCommand(this,CONNECTSERVER);
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connectTCPServerContinue();
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return theGSM3ShieldV1ModemCore.getCommandError();
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}
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//Connect Server continue function.
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void GSM3ShieldV1MultiServerProvider::connectTCPServerContinue()
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{
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bool resp;
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// 1: Read Local IP "AT+QILOCIP"
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// 2: Waiting for IP and Set local port "AT+QILPORT"
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// 3: Waiting for QILPOR OK andConfigure as server "AT+QISERVER"
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// 4: Wait for SERVER OK
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switch (theGSM3ShieldV1ModemCore.getCommandCounter()) {
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case 1:
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//"AT+QILOCIP."
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theGSM3ShieldV1ModemCore.genericCommand_rq(_command_QILOCIP);
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theGSM3ShieldV1ModemCore.setCommandCounter(2);
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break;
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case 2:
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//Not IP storing but the command is necessary.
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//if(parseQILOCIP_rsp(local_IP, local_IP_Length, resp))
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// This awful trick saves some RAM bytes
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char aux[3];
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aux[0]='\r';aux[1]='\n';aux[2]=0;
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if(theGSM3ShieldV1ModemCore.genericParse_rsp(resp, aux))
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{
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//Response received
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if(resp)
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{
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// Great. Go for the next step
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// AT+QILPORT
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theGSM3ShieldV1ModemCore.genericCommand_rq(PSTR("AT+QILPORT=\"TCP\","),false);
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theGSM3ShieldV1ModemCore.print( theGSM3ShieldV1ModemCore.getPort());
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theGSM3ShieldV1ModemCore.print('\r');
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theGSM3ShieldV1ModemCore.setCommandCounter(3);
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}
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else theGSM3ShieldV1ModemCore.closeCommand(3);
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}
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break;
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case 3:
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if(theGSM3ShieldV1ModemCore.genericParse_rsp(resp))
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{
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// Response received
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if(resp)
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{
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// OK received
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// Great. Go for the next step
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// AT+QISERVER
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theGSM3ShieldV1ModemCore.genericCommand_rq(PSTR("AT+QISERVER=0,"),false);
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theGSM3ShieldV1ModemCore.print(__NCLIENTS_MAX__);
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theGSM3ShieldV1ModemCore.print('\r');
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theGSM3ShieldV1ModemCore.setCommandCounter(4);
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}
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else theGSM3ShieldV1ModemCore.closeCommand(3);
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}
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break;
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case 4:
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if(theGSM3ShieldV1ModemCore.genericParse_rsp(resp))
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{
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// Response received
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// OK received, kathapoon, chessespoon
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if (resp) theGSM3ShieldV1ModemCore.closeCommand(1);
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else theGSM3ShieldV1ModemCore.closeCommand(3);
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}
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break;
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}
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}
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//QILOCIP parse.
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bool GSM3ShieldV1MultiServerProvider::parseQILOCIP_rsp(char* LocalIP, int LocalIPlength, bool& rsp)
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{
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if (!(theGSM3ShieldV1ModemCore.theBuffer().extractSubstring("\r\n","\r\n", LocalIP, LocalIPlength)))
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rsp = false;
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else
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rsp = true;
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return true;
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}
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//Get IP main function.
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int GSM3ShieldV1MultiServerProvider::getIP(char* LocalIP, int LocalIPlength)
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{
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theGSM3ShieldV1ModemCore.setPhoneNumber(LocalIP);
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theGSM3ShieldV1ModemCore.setPort(LocalIPlength);
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theGSM3ShieldV1ModemCore.openCommand(this,GETIP);
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getIPContinue();
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return theGSM3ShieldV1ModemCore.getCommandError();
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}
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void GSM3ShieldV1MultiServerProvider::getIPContinue()
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{
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bool resp;
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// 1: Read Local IP "AT+QILOCIP"
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// 2: Waiting for IP.
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switch (theGSM3ShieldV1ModemCore.getCommandCounter()) {
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case 1:
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//AT+QILOCIP
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theGSM3ShieldV1ModemCore.genericCommand_rq(_command_QILOCIP);
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theGSM3ShieldV1ModemCore.setCommandCounter(2);
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break;
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case 2:
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if(parseQILOCIP_rsp(theGSM3ShieldV1ModemCore.getPhoneNumber(), theGSM3ShieldV1ModemCore.getPort(), resp))
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{
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if (resp)
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theGSM3ShieldV1ModemCore.closeCommand(1);
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else
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theGSM3ShieldV1ModemCore.closeCommand(3);
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}
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break;
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}
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}
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bool GSM3ShieldV1MultiServerProvider::getSocketAsServerModemStatus(int s)
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{
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if (socketsAccepted&(0x0001<<s))
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return true;
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else return false;
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}
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//URC recognize.
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bool GSM3ShieldV1MultiServerProvider::recognizeUnsolicitedEvent(byte oldTail)
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{
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int nlength;
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char auxLocate [15];
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//REMOTE SOCKET CLOSED.
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prepareAuxLocate(PSTR("0, CLOSED\r\n"), auxLocate);
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if(theGSM3ShieldV1ModemCore.gss.cb.locate(auxLocate))
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{
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//To detect remote socket closed for example inside socket data.
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releaseSocket(0);
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socketsAccepted &= ~(0x0001);
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//Serial.println("JCR_DB REMOTE CLOSED");
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}
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//REMOTE SOCKET CLOSED.
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prepareAuxLocate(PSTR("1, CLOSED\r\n"), auxLocate);
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if(theGSM3ShieldV1ModemCore.gss.cb.locate(auxLocate))
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{
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//To detect remote socket closed for example inside socket data.
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releaseSocket(1);
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socketsAccepted &= ~(0x0002);
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}
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//REMOTE SOCKET CLOSED.
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prepareAuxLocate(PSTR("2, CLOSED\r\n"), auxLocate);
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if(theGSM3ShieldV1ModemCore.gss.cb.locate(auxLocate))
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{
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//To detect remote socket closed for example inside socket data.
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releaseSocket(2);
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socketsAccepted &= ~(0x0004);
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}
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//REMOTE SOCKET CLOSED.
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prepareAuxLocate(PSTR("3, CLOSED\r\n"), auxLocate);
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if(theGSM3ShieldV1ModemCore.gss.cb.locate(auxLocate))
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{
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//To detect remote socket closed for example inside socket data.
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releaseSocket(3);
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socketsAccepted &= ~(0x0008);
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}
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//REMOTE SOCKET CLOSED.
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prepareAuxLocate(PSTR("4, CLOSED\r\n"), auxLocate);
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if(theGSM3ShieldV1ModemCore.gss.cb.locate(auxLocate))
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{
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//To detect remote socket closed for example inside socket data.
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releaseSocket(4);
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socketsAccepted &= ~(0x0010);
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}
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//REMOTE SOCKET CLOSED.
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prepareAuxLocate(PSTR("5, CLOSED\r\n"), auxLocate);
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if(theGSM3ShieldV1ModemCore.gss.cb.locate(auxLocate))
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{
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//To detect remote socket closed for example inside socket data.
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releaseSocket(5);
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socketsAccepted &= ~(0x0020);
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}
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//REMOTE SOCKET CLOSED.
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prepareAuxLocate(PSTR("6, CLOSED\r\n"), auxLocate);
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if(theGSM3ShieldV1ModemCore.gss.cb.locate(auxLocate))
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{
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//To detect remote socket closed for example inside socket data.
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releaseSocket(6);
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socketsAccepted &= ~(0x0040);
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}
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//REMOTE SOCKET CLOSED.
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prepareAuxLocate(PSTR("7, CLOSED\r\n"), auxLocate);
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if(theGSM3ShieldV1ModemCore.gss.cb.locate(auxLocate))
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{
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//To detect remote socket closed for example inside socket data.
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releaseSocket(7);
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socketsAccepted &= ~(0x0080);
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}
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//REMOTE SOCKET ACCEPTED.
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prepareAuxLocate(PSTR("0, REMOTE IP"), auxLocate);
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if(theGSM3ShieldV1ModemCore.gss.cb.locate(auxLocate))
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{
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//To detect remote socket closed for example inside socket data.
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theGSM3ShieldV1ModemCore.gss.cb.flush();
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socketsAccepted |= (0x0001);
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return true;
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}
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//REMOTE SOCKET ACCEPTED.
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prepareAuxLocate(PSTR("1, REMOTE IP"), auxLocate);
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if(theGSM3ShieldV1ModemCore.gss.cb.locate(auxLocate))
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{
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//To detect remote socket closed for example inside socket data.
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theGSM3ShieldV1ModemCore.gss.cb.flush();
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socketsAccepted |= (0x0002);
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return true;
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}
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//REMOTE SOCKET ACCEPTED.
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prepareAuxLocate(PSTR("2, REMOTE IP"), auxLocate);
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if(theGSM3ShieldV1ModemCore.gss.cb.locate(auxLocate))
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{
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//To detect remote socket closed for example inside socket data.
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theGSM3ShieldV1ModemCore.gss.cb.flush();
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socketsAccepted |= (0x0004);
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return true;
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}
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//REMOTE SOCKET ACCEPTED.
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prepareAuxLocate(PSTR("3, REMOTE IP"), auxLocate);
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if(theGSM3ShieldV1ModemCore.gss.cb.locate(auxLocate))
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{
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//To detect remote socket closed for example inside socket data.
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theGSM3ShieldV1ModemCore.gss.cb.flush();
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socketsAccepted |= (0x0008);
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return true;
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}
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//REMOTE SOCKET ACCEPTED.
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prepareAuxLocate(PSTR("4, REMOTE IP"), auxLocate);
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if(theGSM3ShieldV1ModemCore.gss.cb.locate(auxLocate))
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{
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//To detect remote socket closed for example inside socket data.
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theGSM3ShieldV1ModemCore.gss.cb.flush();
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socketsAccepted |= (0x0010);
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return true;
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}
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//REMOTE SOCKET ACCEPTED.
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prepareAuxLocate(PSTR("5, REMOTE IP"), auxLocate);
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if(theGSM3ShieldV1ModemCore.gss.cb.locate(auxLocate))
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{
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//To detect remote socket closed for example inside socket data.
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theGSM3ShieldV1ModemCore.gss.cb.flush();
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socketsAccepted |= (0x0020);
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return true;
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}
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//REMOTE SOCKET ACCEPTED.
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prepareAuxLocate(PSTR("6, REMOTE IP"), auxLocate);
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if(theGSM3ShieldV1ModemCore.gss.cb.locate(auxLocate))
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{
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//To detect remote socket closed for example inside socket data.
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theGSM3ShieldV1ModemCore.gss.cb.flush();
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socketsAccepted |= (0x0040);
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return true;
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}
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//REMOTE SOCKET ACCEPTED.
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prepareAuxLocate(PSTR("7, REMOTE IP"), auxLocate);
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if(theGSM3ShieldV1ModemCore.gss.cb.locate(auxLocate))
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{
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//To detect remote socket closed for example inside socket data.
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theGSM3ShieldV1ModemCore.gss.cb.flush();
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socketsAccepted |= (0x0080);
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return true;
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}
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return false;
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}
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bool GSM3ShieldV1MultiServerProvider::getStatusSocketAsServer(uint8_t socket)
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{
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if(socketsAsServer&(0x0001<<socket))
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return 1;
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else
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return 0;
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};
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void GSM3ShieldV1MultiServerProvider::releaseSocket(int socket)
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{
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if (socketsAsServer&((0x0001)<<socket))
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socketsAsServer^=((0x0001)<<socket);
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}
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int GSM3ShieldV1MultiServerProvider::getNewOccupiedSocketAsServer()
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{
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int i;
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ready();
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for(i=minSocketAsServer(); i<=maxSocketAsServer(); i++)
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{
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if ((!(socketsAsServer&(0x0001<<i))) && getSocketAsServerModemStatus(i))
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{
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socketsAsServer|=((0x0001)<<i);
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return i;
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}
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}
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// No new occupied
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return -1;
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}
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