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cleanup, use new io layer.

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This commit is contained in:
Florian Westphal 2005-07-07 18:39:08 +00:00
parent 7eca418465
commit afef7dee82
1 changed files with 43 additions and 26 deletions
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61
src/ngircd/resolve.c
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@ -14,7 +14,7 @@
#include "portab.h" #include "portab.h"
static char UNUSED id[] = "$Id: resolve.c,v 1.12 2005/05/28 10:46:50 fw Exp $"; static char UNUSED id[] = "$Id: resolve.c,v 1.13 2005/07/07 18:39:08 fw Exp $";
#include "imp.h" #include "imp.h"
#include <assert.h> #include <assert.h>
@ -39,6 +39,7 @@ static char UNUSED id[] = "$Id: resolve.c,v 1.12 2005/05/28 10:46:50 fw Exp $";
#include "exp.h" #include "exp.h"
#include "resolve.h" #include "resolve.h"
#include "io.h"
#ifdef IDENTAUTH #ifdef IDENTAUTH
@ -56,13 +57,11 @@ LOCAL char *Get_Error PARAMS(( int H_Error ));
LOCAL RES_STAT *New_Res_Stat PARAMS(( void )); LOCAL RES_STAT *New_Res_Stat PARAMS(( void ));
GLOBAL void static void
Resolve_Init( void ) cb_resolver(int fd, short unused) {
{ (void) unused; /* shut up compiler warning */
/* Initialize module */ Read_Resolver_Result(fd);
}
FD_ZERO( &Resolver_FDs );
} /* Resolve_Init */
#ifdef IDENTAUTH #ifdef IDENTAUTH
@ -86,15 +85,24 @@ Resolve_Addr( struct sockaddr_in *Addr )
pid = fork( ); pid = fork( );
if( pid > 0 ) if( pid > 0 )
{ {
close( s->pipe[1] );
/* Main process */ /* Main process */
Log( LOG_DEBUG, "Resolver for %s created (PID %d).", inet_ntoa( Addr->sin_addr ), pid ); Log( LOG_DEBUG, "Resolver for %s created (PID %d).", inet_ntoa( Addr->sin_addr ), pid );
FD_SET( s->pipe[0], &Resolver_FDs ); if (!io_setnonblock( s->pipe[0] )) {
if( s->pipe[0] > Conn_MaxFD ) Conn_MaxFD = s->pipe[0]; Log( LOG_DEBUG, "Could not set Non-Blocking mode for pipefd %d", s->pipe[0] );
goto out;
}
if (!io_event_create( s->pipe[0], IO_WANTREAD, cb_resolver )) {
Log( LOG_DEBUG, "Could not add pipefd %dto event watchlist: %s",
s->pipe[0], strerror(errno) );
goto out;
}
s->pid = pid; s->pid = pid;
return s; return s;
} }
else if( pid == 0 ) else if( pid == 0 )
{ {
close( s->pipe[0] );
/* Sub process */ /* Sub process */
Log_Init_Resolver( ); Log_Init_Resolver( );
#ifdef IDENTAUTH #ifdef IDENTAUTH
@ -105,13 +113,13 @@ Resolve_Addr( struct sockaddr_in *Addr )
Log_Exit_Resolver( ); Log_Exit_Resolver( );
exit( 0 ); exit( 0 );
} }
else
{
/* Error! */
free( s );
Log( LOG_CRIT, "Resolver: Can't fork: %s!", strerror( errno )); Log( LOG_CRIT, "Resolver: Can't fork: %s!", strerror( errno ));
out: /* Error! */
close( s->pipe[0] );
free( s );
return NULL; return NULL;
}
} /* Resolve_Addr */ } /* Resolve_Addr */
@ -131,28 +139,37 @@ Resolve_Name( char *Host )
pid = fork( ); pid = fork( );
if( pid > 0 ) if( pid > 0 )
{ {
close( s->pipe[1] );
/* Main process */ /* Main process */
Log( LOG_DEBUG, "Resolver for \"%s\" created (PID %d).", Host, pid ); Log( LOG_DEBUG, "Resolver for \"%s\" created (PID %d).", Host, pid );
FD_SET( s->pipe[0], &Resolver_FDs ); if (!io_setnonblock( s->pipe[0] )) {
if( s->pipe[0] > Conn_MaxFD ) Conn_MaxFD = s->pipe[0]; Log( LOG_DEBUG, "Could not set Non-Blocking mode for pipefd %d", s->pipe[0] );
goto out;
}
if (!io_event_create( s->pipe[0], IO_WANTREAD, cb_resolver )) {
Log( LOG_DEBUG, "Could not add pipefd %dto event watchlist: %s",
s->pipe[0], strerror(errno) );
goto out;
}
s->pid = pid; s->pid = pid;
return s; return s;
} }
else if( pid == 0 ) else if( pid == 0 )
{ {
close( s->pipe[0] );
/* Sub process */ /* Sub process */
Log_Init_Resolver( ); Log_Init_Resolver( );
Do_ResolveName( Host, s->pipe[1] ); Do_ResolveName( Host, s->pipe[1] );
Log_Exit_Resolver( ); Log_Exit_Resolver( );
exit( 0 ); exit( 0 );
} }
else
{
/* Error! */
free( s );
Log( LOG_CRIT, "Resolver: Can't fork: %s!", strerror( errno )); Log( LOG_CRIT, "Resolver: Can't fork: %s!", strerror( errno ));
out: /* Error! */
close( s->pipe[0] );
free( s );
return NULL; return NULL;
}
} /* Resolve_Name */ } /* Resolve_Name */