// test ccRTP functionality
// Copyright (C) 2004 Federico Montesino Pouzols <fedemp@altern.org>
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 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 General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#include <cstdlib>
#include <ccrtp/rtp.h>
#include <ccrtp/CryptoContext.h>
#ifdef CCXX_NAMESPACES
using namespace ost;
using namespace std;
#endif
inline int
hex_char_to_nibble(uint8_t c) {
switch(c) {
case ('0'): return 0x0;
case ('1'): return 0x1;
case ('2'): return 0x2;
case ('3'): return 0x3;
case ('4'): return 0x4;
case ('5'): return 0x5;
case ('6'): return 0x6;
case ('7'): return 0x7;
case ('8'): return 0x8;
case ('9'): return 0x9;
case ('a'): return 0xa;
case ('A'): return 0xa;
case ('b'): return 0xb;
case ('B'): return 0xb;
case ('c'): return 0xc;
case ('C'): return 0xc;
case ('d'): return 0xd;
case ('D'): return 0xd;
case ('e'): return 0xe;
case ('E'): return 0xe;
case ('f'): return 0xf;
case ('F'): return 0xf;
default: return -1; /* this flags an error */
}
/* NOTREACHED */
return -1; /* this keeps compilers from complaining */
}
/*
* hex_string_to_octet_string converts a hexadecimal string
* of length 2 * len to a raw octet string of length len
*/
int
hex_string_to_octet_string(char *raw, char *hex, int len) {
uint8 x;
int tmp;
int hex_len;
hex_len = 0;
while (hex_len < len) {
tmp = hex_char_to_nibble(hex[0]);
if (tmp == -1)
return hex_len;
x = (tmp << 4);
hex_len++;
tmp = hex_char_to_nibble(hex[1]);
if (tmp == -1)
return hex_len;
x |= (tmp & 0xff);
hex_len++;
*raw++ = x;
hex += 2;
}
return hex_len;
}
class PacketsPattern
{
public:
inline const InetHostAddress&
getDestinationAddress() const
{ return destinationAddress; }
inline const tpport_t
getDestinationPort() const
{ return destinationPort; }
uint32
getPacketsNumber() const
{ return packetsNumber; }
uint32
getSsrc() const
{ return 0xdeadbeef; }
const unsigned char*
getPacketData(uint32 i)
{ return data; }
const size_t
getPacketSize(uint32 i)
{ return packetsSize; }
private:
static const InetHostAddress destinationAddress;
static const uint16 destinationPort = 10002;
static const uint32 packetsNumber = 10;
static const uint32 packetsSize = 12;
static unsigned char data[];
};
const InetHostAddress PacketsPattern::destinationAddress =
InetHostAddress("localhost");
unsigned char PacketsPattern::data[] = {
"0123456789\n"
};
PacketsPattern pattern;
static char* fixKey = "c2479f224b21c2008deea6ef0e5dbd4a761aef98e7ebf8eed405986c4687";
// static uint8* masterKey = (uint8*)"masterKeymasterKeymasterKeymaster";
// static uint8* masterSalt = (uint8*)"NaClNaClNaClNa";
static uint8 binKeys[60];
class
Test
{
public:
virtual int
doTest() = 0;
};
class
SendPacketTransmissionTest : public Test, public Thread, public TimerPort
{
public:
void
run()
{
doTest();
}
int doTest()
{
// should be valid?
//RTPSession tx();
RTPSession tx(pattern.getSsrc(), InetHostAddress("localhost"));
tx.setSchedulingTimeout(10000);
tx.setExpireTimeout(1000000);
CryptoContext* txCryptoCtx = new CryptoContext(pattern.getSsrc(),
0, // roc,
0L, // keydr << 48,
SrtpEncryptionAESCM, // encryption algo
SrtpAuthenticationSha1Hmac, // authtication algo
binKeys, // Master Key
128 / 8, // Master Key length
binKeys+16, // Master Salt
112 / 8, // Master Salt length
128 / 8, // encryption keyl
160 / 8, // authentication key len (SHA1))
112 / 8, // session salt len
80 / 8); // authentication tag len
txCryptoCtx->deriveSrtpKeys(0);
tx.setOutQueueCryptoContext(txCryptoCtx);
tx.startRunning();
tx.setPayloadFormat(StaticPayloadFormat(sptPCMU));
if (!tx.addDestination(pattern.getDestinationAddress(),
pattern.getDestinationPort()) ) {
return 1;
}
// 50 packets per second (packet duration of 20ms)
uint32 period = 20;
uint16 inc = tx.getCurrentRTPClockRate()/50;
TimerPort::setTimer(period);
for ( uint32 i = 0; i < pattern.getPacketsNumber(); i++ ) {
tx.putData(i*inc,
pattern.getPacketData(i),
pattern.getPacketSize(i));
cout << "Sent some data: " << i << endl;
Thread::sleep(TimerPort::getTimer());
TimerPort::incTimer(period);
}
return 0;
}
};
class
RecvPacketTransmissionTest : public Test, public Thread
{
public:
void
run() {
doTest();
}
int
doTest() {
RTPSession rx(pattern.getSsrc(), pattern.getDestinationAddress(),
pattern.getDestinationPort());
rx.setSchedulingTimeout(10000);
rx.setExpireTimeout(1000000);
CryptoContext* rxCryptoCtx = new CryptoContext(pattern.getSsrc(),
0, // roc,
0L, // keydr << 48,
SrtpEncryptionAESCM, // encryption algo
SrtpAuthenticationSha1Hmac, // authtication algo
binKeys, // Master Key
128 / 8, // Master Key length
binKeys+16, // Master Salt
112 / 8, // Master Salt length
128 / 8, // encryption keyl
160 / 8, // authentication key len (SHA1))
112 / 8, // session salt len
80 / 8); // authentication tag len
rxCryptoCtx->deriveSrtpKeys(0);
rx.setInQueueCryptoContext(rxCryptoCtx);
rx.startRunning();
rx.setPayloadFormat(StaticPayloadFormat(sptPCMU));
// arbitrary number of loops
for ( int i = 0; i < 500 ; i++ ) {
const AppDataUnit* adu;
while ( (adu = rx.getData(rx.getFirstTimestamp())) ) {
cerr << "got some data: " << adu->getData() << endl;
delete adu;
}
Thread::sleep(70);
}
return 0;
}
};
class
MiscTest : public Test, public Thread, public TimerPort
{
void
run()
{
doTest();
}
int
doTest()
{
const uint32 NSESSIONS = 10;
RTPSession rx(pattern.getDestinationAddress(),pattern.getDestinationPort());
RTPSession **tx = new RTPSession* [NSESSIONS];
for ( uint32 i = 0; i < NSESSIONS; i++ ) {
tx[i] = new RTPSession(InetHostAddress("localhost"));
}
for ( uint32 i = 0; i < NSESSIONS; i++) {
tx[i]->setSchedulingTimeout(10000);
tx[i]->setExpireTimeout(1000000);
tx[i]->setPayloadFormat(StaticPayloadFormat(sptPCMU));
if ( !tx[i]->addDestination(pattern.getDestinationAddress(),
pattern.getDestinationPort()) ) {
return 1;
}
}
rx.setPayloadFormat(StaticPayloadFormat(sptPCMU));
rx.setSchedulingTimeout(5000);
rx.setExpireTimeout(10000000); // 10 seconds!
rx.startRunning();
for ( uint32 i = 0; i < NSESSIONS; i++) {
tx[i]->startRunning();
}
uint32 period = 20;
TimerPort::setTimer(period);
for ( uint32 i = 0; i < pattern.getPacketsNumber(); i++ ) {
if ( i == 70 ) {
RTPApplication &app = defaultApplication();
app.setSDESItem(SDESItemTypeCNAME,"foo@bar");
}
for ( uint32 s = 0; s < NSESSIONS; s++) {
// 50 packets per second (packet duration of 20ms)
uint16 inc =
tx[s]->getCurrentRTPClockRate()/50;
tx[s]->putData(i*inc,
pattern.getPacketData(i),
pattern.getPacketSize(i));
}
Thread::sleep(TimerPort::getTimer());
TimerPort::incTimer(period);
}
Thread::sleep(5000);
for ( uint32 i = 0; i < NSESSIONS; i++ ) {
delete tx[i];
}
RTPSession::SyncSourcesIterator it;
cout << "Sources of synchronization:" << endl;
for (it = rx.begin() ; it != rx.end(); it++) {
const SyncSource &s = *it;
cout << s.getID();
if ( s.isSender() )
cout << " (sender) ";
cout << s.getNetworkAddress() << ":" <<
s.getControlTransportPort() << "/" <<
s.getDataTransportPort();
Participant *p = s.getParticipant();
cout << " (" <<
p->getSDESItem(SDESItemTypeCNAME)
<< ") " << endl;
}
RTPApplication &app = defaultApplication();
RTPApplication::ParticipantsIterator ai;
cout << "Participants:" << endl;
for ( ai = app.begin(); ai != app.end(); ai++ ) {
const Participant &p = *ai;
cout << p.getSDESItem(SDESItemTypeCNAME) << endl;
//cout << p.getPRIVPrefix();
}
delete tx;
return 0;
}
};
// class TestPacketHeaders { }
// header extension
// class TestRTCPTransmission { }
// class TestMiscellaneous { }
// Things that should be tested:
// extreme values (0 - big) for putData
// segmentation (setMaxSendSegmentSize())
// performance: packets/second (depending on packet size and # of participants)
int main(int argc, char *argv[])
{
int result = 0;
bool send = false;
bool recv = false;
char c;
char* inputKey = NULL;
/* check args */
while (1) {
c = getopt(argc, argv, "k:rsaeld:");
if (c == -1) {
break;
}
switch (c) {
case 'k':
inputKey = optarg;
break;
case 'r':
recv = true;
break;
case 's':
send = true;
break;
default:
cerr << "Wrong Arguments" << endl;
}
}
if (inputKey == NULL) {
inputKey = fixKey;
}
hex_string_to_octet_string((char*)binKeys, inputKey, 60);
if (send || recv) {
if (send) {
printf("Running as sender\n");
}
else {
printf("Running as receiver\n");
}
}
else {
printf("Miscellanous tests\n");
}
RecvPacketTransmissionTest *rx;
SendPacketTransmissionTest *tx;
// accept as parameter if must run as --send or --recv
// run several tests in parallel threads
if ( send ) {
tx = new SendPacketTransmissionTest();
tx->start();
tx->join();
} else if ( recv ) {
rx = new RecvPacketTransmissionTest();
rx->start();
rx->join();
} else {
MiscTest m;
m.start();
m.join();
}
exit(result);
}
/** EMACS **
* Local variables:
* mode: c++
* c-basic-offset: 8
* End:
*/
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