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Debug file descriptors

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erdgeist 2007-01-19 17:50:36 +00:00
parent 6c62ed7928
commit 07a604e3d6
2 changed files with 43 additions and 2 deletions
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2
Makefile
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@ -1,5 +1,5 @@
CC?=gcc
FEATURES=#-DWANT_IP_FROM_QUERY_STRING -DWANT_BLACKLIST -DWANT_CLOSED_TRACKER
FEATURES=#-D_DEBUG_FDS -DWANT_IP_FROM_QUERY_STRING -DWANT_BLACKLIST -DWANT_CLOSED_TRACKER
#DEBUG_OPTS=-g -ggdb -pg # -fprofile-arcs -ftest-coverage
DEBUG_OPTS=-s -Os
CFLAGS+=-I../libowfat -Wall -pipe -m64 # -pedantic -ansi

43
opentracker.c
View File

@ -35,6 +35,10 @@ static const size_t SUCCESS_HTTP_SIZE_OFF = 17;
/* To always have space for error messages ;) */
static char static_scratch[8192];
#ifdef _DEBUG_FDS
static char fd_debug_space[0x10000];
#endif
static void carp(const char* routine) {
buffer_puts(buffer_2,routine);
buffer_puts(buffer_2,": ");
@ -70,10 +74,18 @@ void senddata(int64 s, struct http_data* h, char *buffer, size_t size ) {
if( h ) array_reset(&h->r);
written_size = write( s, buffer, size );
if( ( written_size < 0 ) || ( written_size == size ) ) {
#ifdef _DEBUG_FDS
if( !fd_debug_space[s] ) fprintf( stderr, "close on non-open fd\n" );
fd_debug_space[s] = 0;
#endif
free(h); io_close( s );
} else {
/* here we would take a copy of the buffer and remember it */
fprintf( stderr, "Should have handled this.\n" );
#ifdef _DEBUG_FDS
if( !fd_debug_space[s] ) fprintf( stderr, "close on non-open fd\n" );
fd_debug_space[s] = 0;
#endif
free(h); io_close( s );
}
}
@ -337,6 +349,10 @@ e404:
senddata( s, h, static_scratch + reply_off, reply_size );
} else {
if( h ) array_reset(&h->r);
#ifdef _DEBUG_FDS
if( !fd_debug_space[s] ) fprintf( stderr, "close on non-open fd\n" );
fd_debug_space[s] = 0;
#endif
free( h ); io_close( s );
}
}
@ -349,6 +365,15 @@ void graceful( int s ) {
}
}
#ifdef _DEBUG_FDS
void count_fds( int s ) {
int i, count = 0;
for( i=0; i<sizeof(fd_debug_space); ++i )
if( fd_debug_space[i] ) ++count;
fprintf( stderr, "Open fds here: %i\n", count );
}
#endif
void usage( char *name ) {
fprintf( stderr, "Usage: %s [-i serverip] [-p serverport] [-d serverdirectory]"
#ifdef WANT_CLOSED_TRACKER
@ -394,6 +419,10 @@ void handle_read( int64 clientsocket ) {
array_reset(&h->r);
free(h);
}
#ifdef _DEBUG_FDS
if( !fd_debug_space[clientsocket] ) fprintf( stderr, "close on non-open fd\n" );
fd_debug_space[clientsocket] = 0;
#endif
io_close(clientsocket);
return;
}
@ -423,6 +452,11 @@ void handle_accept( int64 serversocket ) {
continue;
}
#ifdef _DEBUG_FDS
if( fd_debug_space[i] ) fprintf( stderr, "double use of fd: %i\n", (int)i );
fd_debug_space[i] = 1;
#endif
io_wantread( i );
byte_zero(h,sizeof(struct http_data));
@ -448,6 +482,10 @@ void handle_timeouted( ) {
array_reset( &h->r );
free( h );
}
#ifdef _DEBUG_FDS
if( !fd_debug_space[i] ) fprintf( stderr, "close on non-open fd\n" );
fd_debug_space[i] = 0;
#endif
io_close(i);
}
}
@ -521,7 +559,10 @@ int main( int argc, char **argv ) {
panic("io_fd");
signal( SIGPIPE, SIG_IGN );
signal( SIGINT, graceful );
signal( SIGINT, graceful );
#ifdef _DEBUG_FDS
signal( SIGINFO, count_fds );
#endif
if( init_logic( serverdir ) == -1 )
panic("Logic not started");