1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
|
/*
* Copyright 2008, 2009, 2010 Free Software Foundation, Inc.
* Copyright 2010 Kestrel Signal Processing, Inc.
*
* This software is distributed under the terms of the GNU Affero Public License.
* See the COPYING file in the main directory for details.
*
* This use of this software may be subject to additional restrictions.
* See the LEGAL file in the main directory for details.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "Transceiver.h"
#include "radioDevice.h"
#include "DummyLoad.h"
#include <time.h>
#include <signal.h>
#include <GSMCommon.h>
#include <Logger.h>
#include <Configuration.h>
#define CONFIGDB "/etc/OpenBTS/OpenBTS.db"
using namespace std;
ConfigurationTable gConfig(CONFIGDB);
volatile bool gbShutdown = false;
static void ctrlCHandler(int signo)
{
cout << "Received shutdown signal" << endl;;
gbShutdown = true;
}
/*
* Attempt to open and test the database file before
* accessing the configuration table. We do this because
* the global table constructor cannot provide notification
* in the event of failure.
*/
int testConfig(const char *filename)
{
int rc, val = 9999;
sqlite3 *db;
std::string test = "sadf732zdvj2";
const char *keys[3] = {
"Log.Level",
"TRX.Port",
"TRX.IP",
};
/* Try to open the database */
rc = sqlite3_open(filename, &db);
if (rc || !db) {
std::cerr << "Config: Database could not be opened" << std::endl;
return -1;
} else {
sqlite3_close(db);
}
/* Attempt to set a value in the global config */
if (!gConfig.set(test, val)) {
std::cerr << "Config: Failed to set test key - "
<< "permission to access the database?" << std::endl;
return -1;
} else {
gConfig.remove(test);
}
/* Attempt to query */
for (int i = 0; i < 3; i++) {
try {
gConfig.getStr(keys[i]);
} catch (...) {
std::cerr << "Config: Failed query on " << keys[i] << std::endl;
return -1;
}
}
return 0;
}
int main(int argc, char *argv[])
{
int trxPort;
std::string deviceArgs, logLevel, trxAddr;
if (argc == 3)
{
deviceArgs = std::string(argv[2]);
}
else
{
deviceArgs = "";
}
if ( signal( SIGINT, ctrlCHandler ) == SIG_ERR )
{
cerr << "Couldn't install signal handler for SIGINT" << endl;
exit(1);
}
if ( signal( SIGTERM, ctrlCHandler ) == SIG_ERR )
{
cerr << "Couldn't install signal handler for SIGTERM" << endl;
exit(1);
}
// Configure logger.
if (testConfig(CONFIGDB) < 0) {
std::cerr << "Config: Database failure" << std::endl;
return EXIT_FAILURE;
}
logLevel = gConfig.getStr("Log.Level");
trxPort = gConfig.getNum("TRX.Port");
trxAddr = gConfig.getStr("TRX.IP");
gLogInit("transceiver", logLevel.c_str(), LOG_LOCAL7);
srandom(time(NULL));
RadioDevice *usrp = RadioDevice::make(SAMPSPERSYM);
int radioType = usrp->open(deviceArgs);
if (radioType < 0) {
LOG(ALERT) << "Transceiver exiting..." << std::endl;
return EXIT_FAILURE;
}
RadioInterface* radio;
switch (radioType) {
case RadioDevice::NORMAL:
radio = new RadioInterface(usrp, 3, SAMPSPERSYM, false);
break;
case RadioDevice::RESAMP:
radio = new RadioInterfaceResamp(usrp, 3, SAMPSPERSYM, false);
break;
default:
LOG(ALERT) << "Unsupported configuration";
return EXIT_FAILURE;
}
Transceiver *trx = new Transceiver(trxPort, trxAddr.c_str(),
SAMPSPERSYM, GSM::Time(3,0), radio);
trx->receiveFIFO(radio->receiveFIFO());
trx->start();
while (!gbShutdown) {
sleep(1);
}
cout << "Shutting down transceiver..." << endl;
delete trx;
}
|
