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);


        return response;
}

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

        Command( "AT+CMGF=0" ); //Set SMS format to PDU

        const string search = "+CMGL: ";
        std::string cmd = "AT+CMGL";
        if (readAll)
                cmd.append("=4");

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