projects/smsdaemon/ModemTransceiver.cpp

/* using http://sourceforge.net/projects/libserial/
 */

#include <iostream>

#include <string>
#include <stdexcept>

#include <sys/time.h>
#include <time.h>


#include "SerialPort.h"

#include "GsmModem.h"

#include "util.h"
#include "common.h"

#include "SmsPdu.h"

using namespace std;


GsmModem::GsmModem(SerialPort& serialport)
: m_port(serialport)
{
}


string GsmModem::GetResponse()
{

        SerialPort::DataBuffer buf;
        m_port.Read(buf);

        buf.push_back(0);

        std::string str((char*) &buf[0]);

        return str;
}


string GsmModem::Command(string command, string term)
{
        time_t  start,now;
        start = time(0);
        _timeout = false;

        if (term != "> ")
                command.append("\r"); //Dont append CarriageReturn if sending SMS

        m_port.Write(command);

        Util::Sleep(1);
        string response = GetResponse();

        unsigned int tlen = term.length();
        while ( 1 )
        {
                if (response.length() >= tlen)
                {
                        if (response.substr(response.length()-tlen,tlen) == term)
                                break;
                }

                response += GetResponse();
                Util::Sleep(1);

        now = time(0);
        if ( (now-start) > 10 )
        {
                Common::instance()->logMessage( string("GsmModem::Command time out --") + command);
                        Common::instance()->logMessage( string("Modem responded: ") + Util::str_trim(response) );
                        _timeout = true;
            break;
        }
        }

        Util::Sleep(5);

//      cout  << response.length() << ":" << response << endl;
//      DumpString(response);

        return response;
}

vector<SMS> GsmModem::ReadSms(bool readAll)
{

        Command( "AT+CMGF=1" ); //Set SMS format to text

        const string search = "+CMGL: ";
        std::string cmd = "AT+CMGL";
        if (readAll)
                cmd.append("=ALL");

        string result = Command(cmd);
                
        vector<SMS> retval;
        if (result.find(search) == string::npos)
                return retval;

        result = result.substr(2, result.length() - 8); //remove trailing "\r\nOK\r\n" and initial "\r\n"


        while ( 1 )
        {
                unsigned int endpos = result.find(search,5);

                
                string sms_entry = result.substr(0,endpos);
                retval.push_back( SMS::FromRawString(sms_entry) );;

                if (endpos == string::npos)
                        break;
        
                result = result.substr(endpos, result.length() - endpos);
        }

        return retval;
}


void GsmModem::SendSmsPdu(std::string pdu, int len) //pdu inclussive leading "00"
{
        Common::instance()->logMessage( string("SMS pdu send") );

        Command("AT+CMGF=0");
        Util::Sleep(2);

        string line1 = "AT+CMGS=";
        line1.append( Util::str_formatint(len) );
        line1.append("\r");


        Command(line1,"> ");

        pdu.append("\032"); // \032 == Ctrl+Z
        Command( pdu );
        Util::Sleep( 50 );
        Common::instance()->smsCounter.outgoing++;
}

void GsmModem::SendSms(string to, string message, bool allowMultipart)
{
        Common::instance()->logMessage( string("SMS send to ") + to);

        if (to.at(0) == '+')
                to.erase(0,0);

        vector<PduInfo> pdu_vec = SmsPdu::CreateSmsPdu(to, message, allowMultipart);

        for (unsigned i=0; i<pdu_vec.size(); ++i)
        {
                PduInfo& pdu = pdu_vec[i];

                SendSmsPdu(pdu.pdu, pdu.len);
        }

}

void GsmModem::DeleteSms(std::string smsIndex)
{
        string cmd = "AT+CMGD=";
        cmd.append(smsIndex);
        Command(cmd);
}

int  GsmModem::DeleteAllSms()
{
        vector<SMS> sms = ReadSms(true);

        for (unsigned int i= 0; i<sms.size(); ++i)
        {
                DeleteSms( sms[i].sms_index);
        }
        return sms.size();
}


void GsmModem::Init()
{
        Command( "AT" );
        if (_timeout)
                throw std::runtime_error("Modem did not respond!");

        Command( "ATZ" ); //Reset any previous setup

        Command( "AT\\Q3" ); //Hardware flow control

        Command( "ATE0" ); //Disable echo

        Command ("AT^SM20=0,0" ); //No SM20 compability

        //Set RealTimeClock ??
        
        //Enter pin code ??
}


void DebugGsmModem::SendSms(std::string to, std::string message, bool allowMultipart) 
{
        _to=to; 
        _message = message; 
        _multipart = allowMultipart;

        if (_print)
        {
                cout << "DebugGsmModem::SendSms --------------" << endl;
                cout << "To:        " << to << endl;;
                cout << "Message:   " << message << endl;
                cout << "Multipart: " << allowMultipart << endl;

        }
}
1	torben	26	/* using http://sourceforge.net/projects/libserial/
2			*/
3
4			#include <iostream>
5
6			#include <string>
7			#include <stdexcept>
8
9			#include <sys/time.h>
10			#include <time.h>
11
12
13			#include "SerialPort.h"
14
15			#include "GsmModem.h"
16
17			#include "util.h"
18			#include "common.h"
19
20	torben	63	#include "SmsPdu.h"
21	torben	26
22			using namespace std;
23
24
25
26			GsmModem::GsmModem(SerialPort& serialport)
27			: m_port(serialport)
28			{
29			}
30
31
32
33			string GsmModem::GetResponse()
34			{
35
36			SerialPort::DataBuffer buf;
37			m_port.Read(buf);
38
39			buf.push_back(0);
40
41			std::string str((char*) &buf[0]);
42
43			return str;
44			}
45
46	torben	34
47	torben	26	string GsmModem::Command(string command, string term)
48			{
49			time_t start,now;
50			start = time(0);
51	torben	57	_timeout = false;
52	torben	26
53	torben	34	if (term != "> ")
54			command.append("\r"); //Dont append CarriageReturn if sending SMS
55
56	torben	26	m_port.Write(command);
57
58	torben	34	Util::Sleep(1);
59	torben	26	string response = GetResponse();
60
61			unsigned int tlen = term.length();
62			while ( 1 )
63			{
64			if (response.length() >= tlen)
65			{
66			if (response.substr(response.length()-tlen,tlen) == term)
67			break;
68			}
69
70			response += GetResponse();
71	torben	34	Util::Sleep(1);
72	torben	26
73			now = time(0);
74			if ( (now-start) > 10 )
75			{
76			Common::instance()->logMessage( string("GsmModem::Command time out --") + command);
77	torben	72	Common::instance()->logMessage( string("Modem responded: ") + Util::str_trim(response) );
78	torben	57	_timeout = true;
79	torben	26	break;
80			}
81			}
82
83			Util::Sleep(5);
84
85			// cout << response.length() << ":" << response << endl;
86			// DumpString(response);
87
88			return response;
89			}
90
91			vector<SMS> GsmModem::ReadSms(bool readAll)
92			{
93	torben	63
94			Command( "AT+CMGF=1" ); //Set SMS format to text
95
96	torben	26	const string search = "+CMGL: ";
97			std::string cmd = "AT+CMGL";
98			if (readAll)
99			cmd.append("=ALL");
100
101			string result = Command(cmd);
102
103			vector<SMS> retval;
104			if (result.find(search) == string::npos)
105			return retval;
106
107			result = result.substr(2, result.length() - 8); //remove trailing "\r\nOK\r\n" and initial "\r\n"
108
109
110			while ( 1 )
111			{
112			unsigned int endpos = result.find(search,5);
113
114
115			string sms_entry = result.substr(0,endpos);
116			retval.push_back( SMS::FromRawString(sms_entry) );;
117
118			if (endpos == string::npos)
119			break;
120
121			result = result.substr(endpos, result.length() - endpos);
122			}
123
124			return retval;
125			}
126
127	torben	59
128			void GsmModem::SendSmsPdu(std::string pdu, int len) //pdu inclussive leading "00"
129			{
130			Common::instance()->logMessage( string("SMS pdu send") );
131
132			Command("AT+CMGF=0");
133			Util::Sleep(2);
134
135			string line1 = "AT+CMGS=";
136			line1.append( Util::str_formatint(len) );
137			line1.append("\r");
138
139
140			Command(line1,"> ");
141
142			pdu.append("\032"); // \032 == Ctrl+Z
143			Command( pdu );
144			Util::Sleep( 50 );
145			Common::instance()->smsCounter.outgoing++;
146			}
147
148	torben	63	void GsmModem::SendSms(string to, string message, bool allowMultipart)
149	torben	26	{
150			Common::instance()->logMessage( string("SMS send to ") + to);
151
152	torben	63	if (to.at(0) == '+')
153			to.erase(0,0);
154	torben	26
155	torben	63	vector<PduInfo> pdu_vec = SmsPdu::CreateSmsPdu(to, message, allowMultipart);
156	torben	26
157	torben	63	for (unsigned i=0; i<pdu_vec.size(); ++i)
158			{
159			PduInfo& pdu = pdu_vec[i];
160	torben	26
161	torben	63	SendSmsPdu(pdu.pdu, pdu.len);
162	torben	50	}
163	torben	26
164			}
165
166			void GsmModem::DeleteSms(std::string smsIndex)
167			{
168			string cmd = "AT+CMGD=";
169			cmd.append(smsIndex);
170			Command(cmd);
171			}
172
173			int GsmModem::DeleteAllSms()
174			{
175			vector<SMS> sms = ReadSms(true);
176
177			for (unsigned int i= 0; i<sms.size(); ++i)
178			{
179			DeleteSms( sms[i].sms_index);
180			}
181			return sms.size();
182			}
183
184
185
186			void GsmModem::Init()
187			{
188	torben	58	Command( "AT" );
189	torben	57	if (_timeout)
190			throw std::runtime_error("Modem did not respond!");
191
192	torben	58	Command( "ATZ" ); //Reset any previous setup
193
194	torben	33	Command( "AT\\Q3" ); //Hardware flow control
195	torben	26
196			Command( "ATE0" ); //Disable echo
197
198			Command ("AT^SM20=0,0" ); //No SM20 compability
199
200			//Set RealTimeClock ??
201
202			//Enter pin code ??
203			}
204	torben	59
205
206	torben	67
207
208			void DebugGsmModem::SendSms(std::string to, std::string message, bool allowMultipart)
209			{
210			_to=to;
211			_message = message;
212			_multipart = allowMultipart;
213
214			if (_print)
215			{
216			cout << "DebugGsmModem::SendSms --------------" << endl;
217			cout << "To: " << to << endl;;
218			cout << "Message: " << message << endl;
219			cout << "Multipart: " << allowMultipart << endl;
220
221			}
222			}