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// $Id: CPP-client.cpp 91671 2010-09-08 18:39:23Z johnnyw $
#include "ace/OS_main.h"
#include "ace/ATM_Connector.h"
#include "ace/ATM_Addr.h"
#include "ace/High_Res_Timer.h"
#include "ace/Log_Msg.h"
#if defined (ACE_HAS_ATM)
#define MAX_LEAVES 32
/* ACE_ATM Client */
int ACE_TMAIN (int argc, ACE_TCHAR *argv[])
{
if ( argc < 2 )
ACE_ERROR_RETURN ((LM_ERROR,
"Usage: %s <rate> <PDU> <session> <host> <selector> [ host sel ] ...\n"
"\tUse 0 for default values\n",
argv[0]),
1);
int rate = ACE_OS::atoi( argv[ 1 ]);
rate = ( rate != 0 ) ? rate : 170000;
int pdu_size = ACE_OS::atoi( argv[ 2 ]) * 1024;
pdu_size = ( pdu_size != 0 ) ? pdu_size : 8192;
int session = ACE_OS::atoi( argv[ 3 ]);
session = ( session != 0 ) ? session : 100;
ACE_OS::printf( "ATM_Client: rate: %d c/s, PDU: %dB, session: %d pkts\n",
rate, pdu_size, session );
// Record all hosts/selectors
ACE_ATM_Addr hosts[ MAX_LEAVES ];
int num_leaves = argc / 2 - 2;
ACE_OS::printf( "ATM_Client: Connecting to ...\n" );
for ( int i = 0; i < num_leaves; i++ )
{
hosts[ i ].set( argv[ i*2 + 4 ],
( argv[ i*2 + 5 ] != 0 )
? ACE_OS::atoi( argv[ i*2 + 5 ]) : ACE_ATM_Addr::DEFAULT_SELECTOR );
ACE_OS::printf( "ATM_Client: leaf: %s (%s), sel: %d\n",
argv[ i*2 + 4 ],
hosts[ i ].addr_to_string(),
hosts[ i ].get_selector());
}
// The timeout really gets ignored since FORE's drivers don't work when
// ioctl or fcntl calls are made on the transport id/file descriptor
int timeout = ACE_DEFAULT_TIMEOUT;
char buf[BUFSIZ];
ACE_ATM_Stream atm_stream;
char hostname[ MAXNAMELEN ];
ACE_OS::hostname( hostname, MAXNAMELEN );
ACE_ATM_Addr local_addr( hostname, hosts[ 0 ].get_selector());
ACE_OS::printf( "ATM_Client: local host: %s(%s)\n",
hostname, local_addr.addr_to_string());
// In order to construct connections options the file handle is
// needed. Therefore, we need to open the ATM_Stream before we
// construct the options.
ACE_OS::printf( "ATM_Client: to open a stream\n" );
if (atm_stream.open () == -1)
ACE_ERROR_RETURN ((LM_ERROR,
"%p\n",
"open failed"),
1);
ACE_DEBUG ((LM_DEBUG,
"ATM_Client: starting non-blocking connection\n"));
// Initiate timed, non-blocking connection with server.
ACE_ATM_Connector con;
// Construct QoS options - currently FORE only supports bandwidth
ACE_OS::printf( "ATM_Client: specify cell rate at %d c/s\n", rate );
ACE_ATM_QoS qos;
qos.set_rate(atm_stream.get_handle (),
rate,
ACE_ATM_QoS::OPT_FLAGS_CPID);
if ( num_leaves == 1 )
{
// Point-to-point connection
// Not sure why but reuse_addr set to true/1 causes problems for
// FORE/XTI/ATM - this is now handled in ACE_ATM_Connector::connect()
ACE_OS::printf( "ATM_Client: to open a connection\n" );
ACE_ATM_Params params = ACE_ATM_Params();
if (con.connect (atm_stream,
hosts[ 0 ],
params,
qos,
(ACE_Time_Value *) &ACE_Time_Value::zero,
local_addr,
0,
0 ) == -1)
{
if (errno != EWOULDBLOCK)
ACE_ERROR_RETURN ((LM_ERROR,
"%p\n",
"ATM_Client: connection failed"),
1);
ACE_DEBUG ((LM_DEBUG,
"ATM_Client: starting timed connection\n"));
// Check if non-blocking connection is in progress, and wait up
// to timeout seconds for it to complete.
ACE_Time_Value tv (timeout);
ACE_OS::printf( "ATM_Client: connection completed\n" );
if (con.complete (atm_stream,
&hosts[ 0 ],
&tv) == -1)
ACE_ERROR_RETURN ((LM_ERROR,
"%p\n",
"ATM_Client: connection failed"),
1);
else
ACE_DEBUG ((LM_DEBUG,
"ATM_Client: connected to %s\n",
hosts[ 0 ].addr_to_string()));
}
} else {
// Point-to-multipoint connection
for ( int i = 0; i < num_leaves; i++ ) {
con.add_leaf( atm_stream,
hosts[ i ],
i,
0 );
}
} /* if num_leaves == 1 */
ACE_UINT16 vpi, vci;
atm_stream.get_vpi_vci(vpi, vci);
ACE_DEBUG ((LM_DEBUG,
"ATM_Client: connected to VPI %d VCI %d\n",
vpi, vci));
// Send data to server (correctly handles "incomplete writes").
int s_bytes;
int total;
int xmit = 0;
ACE_High_Res_Timer timer;
ACE_Time_Value elapsed;
double real_time;
double actual_rate;
for ( ;; ) {
total = 0;
timer.start_incr();
for ( ;; ) {
s_bytes = atm_stream.send_n( buf, BUFSIZ, 0 );
if ( s_bytes == -1 )
ACE_ERROR_RETURN ((LM_ERROR,
"%p\n",
"send_n"),
1);
total += s_bytes;
if ( total >= session * pdu_size )
break;
}
timer.stop_incr();
timer.elapsed_time_incr( elapsed );
real_time = elapsed.sec() * ACE_ONE_SECOND_IN_USECS + elapsed.usec();
xmit += total;
actual_rate = ( double )xmit * ( double )8 / real_time;
ACE_DEBUG ((LM_DEBUG,
ACE_TEXT ("(%t) bytes = %d, usec = %f, rate = %0.00f Mbps\n"),
xmit,
real_time,
actual_rate < 0 ? 0 : actual_rate ));
}
// Explicitly close the connection.
ACE_OS::printf( "ATM_Client: close connection\n" );
if (atm_stream.close () == -1)
ACE_ERROR_RETURN ((LM_ERROR,
"%p\n",
"close"),
-1);
return 0;
}
#else
int ACE_TMAIN (int, ACE_TCHAR *[])
{
ACE_ERROR_RETURN ((LM_ERROR,
"your platform isn't configured to support ATM\n"),
1);
}
#endif /* ACE_HAS_ATM */
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