Add option 'delay_ccs' to udp_proxy

This commit is contained in:
Manuel Pégourié-Gonnard 2014-09-08 10:44:57 +02:00 committed by Paul Bakker
parent 60fdd7e0f2
commit 81f2fe9f08

View File

@ -85,6 +85,7 @@ int main( void )
" duplicate 1 packet every N packets\n" \
" delay=%%d default: 0 (no delayed packets)\n" \
" delay 1 packet every N packets\n" \
" delay_ccs=%%d default: 0 (don't delay ChangeCipherSuite)\n" \
" drop=%%d default: 0 (no dropped packets)\n" \
" drop 1 packet every N packets\n" \
"\n"
@ -101,6 +102,7 @@ static struct options
int duplicate; /* duplicate 1 in N packets (none if 0) */
int delay; /* delay 1 packet in N (none if 0) */
int delay_ccs; /* delay ChangeCipherSpec */
int drop; /* drop 1 packet in N (none if 0) */
} opt;
@ -183,6 +185,12 @@ static void get_options( int argc, char *argv[] )
if( opt.delay < 0 || opt.delay > 10 || opt.delay == 1 )
exit_usage( p, q );
}
else if( strcmp( p, "delay_ccs" ) == 0 )
{
opt.delay_ccs = atoi( q );
if( opt.delay_ccs < 0 || opt.delay_ccs > 1 )
exit_usage( p, q );
}
else if( strcmp( p, "drop" ) == 0 )
{
opt.drop = atoi( q );
@ -301,9 +309,11 @@ int handle_message( const char *way, int dst, int src )
{
drop_cnt = 0;
}
else if( opt.delay != 0 &&
else if( ( opt.delay_ccs == 1 &&
strcmp( cur.type, "ChangeCipherSpec" ) == 0 ) ||
( opt.delay != 0 &&
strcmp( cur.type, "ApplicationData" ) != 0 &&
++delay_cnt == opt.delay )
++delay_cnt == opt.delay ) )
{
delay_cnt = 0;
memcpy( &prev, &cur, sizeof( packet ) );