void msIO_resetHandlers()
{
msIOContextGroup *group = msIO_GetContextGroup();
if( group == NULL )
return;
if( strcmp(group->stdin_context.label,"buffer") == 0 ) {
msIOBuffer *buf = (msIOBuffer *) group->stdin_context.cbData;
if( buf->data != NULL )
free( buf->data );
free( buf );
}
if( strcmp(group->stdout_context.label,"buffer") == 0 ) {
msIOBuffer *buf = (msIOBuffer *) group->stdout_context.cbData;
if( buf->data != NULL )
free( buf->data );
free( buf );
}
if( strcmp(group->stderr_context.label,"buffer") == 0 ) {
msIOBuffer *buf = (msIOBuffer *) group->stderr_context.cbData;
if( buf->data != NULL )
free( buf->data );
free( buf );
}
msIO_installHandlers( NULL, NULL, NULL );
}
void msCleanupOnSignal( int nInData )
{
/* For some reason, the fastcgi message code does not seem to work */
/* from within the signal handler on Unix. So we force output through */
/* normal stdio functions. */
msIO_installHandlers( NULL, NULL, NULL );
msIO_fprintf( stderr, "In msCleanupOnSignal.\n" );
exitSignal = 1;
}
void msIO_installStdinFromBuffer()
{
msIOContextGroup *group = msIO_GetContextGroup();
msIOContext context;
context.label = "buffer";
context.write_channel = MS_FALSE;
context.readWriteFunc = msIO_bufferRead;
context.cbData = calloc(sizeof(msIOBuffer),1);
msIO_installHandlers( &context,
&group->stdout_context,
&group->stderr_context );
}
int
msIO_installApacheRedirect (request_rec *r)
{
msIOContext stdout_ctx, stderr_ctx;
stdout_ctx.label = "apache";
stdout_ctx.write_channel = MS_TRUE;
stdout_ctx.readWriteFunc = msIO_apacheWrite;
stdout_ctx.cbData = (void*) r;
stderr_ctx.label = "apache";
stderr_ctx.write_channel = MS_TRUE;
stderr_ctx.readWriteFunc = msIO_apacheError;
stderr_ctx.cbData = (void*) r;
msIO_installHandlers (NULL, &stdout_ctx, &stderr_ctx);
return MS_TRUE;
}
void msIO_restoreOldStdoutContext(msIOContext *context_to_restore)
{
msIOContextGroup *group = msIO_GetContextGroup();
msIOContext *prev_context = &group->stdout_context;
msIOBuffer* buffer;
/* Free memory associated to our temporary context */
assert( strcmp(prev_context->label, "buffer") == 0 );
buffer = (msIOBuffer* )prev_context->cbData;
msFree(buffer->data);
msFree(buffer);
/* Restore old context */
msIO_installHandlers( &group->stdin_context,
context_to_restore,
&group->stderr_context );
msFree(context_to_restore);
}
int msIO_installFastCGIRedirect()
{
msIOContext stdin_ctx, stdout_ctx, stderr_ctx;
stdin_ctx.label = "fcgi";
stdin_ctx.write_channel = MS_FALSE;
stdin_ctx.readWriteFunc = msIO_fcgiRead;
stdin_ctx.cbData = (void *) FCGI_stdin;
stdout_ctx.label = "fcgi";
stdout_ctx.write_channel = MS_TRUE;
stdout_ctx.readWriteFunc = msIO_fcgiWrite;
stdout_ctx.cbData = (void *) FCGI_stdout;
stderr_ctx.label = "fcgi";
stderr_ctx.write_channel = MS_TRUE;
stderr_ctx.readWriteFunc = msIO_fcgiWrite;
stderr_ctx.cbData = (void *) FCGI_stderr;
msIO_installHandlers( &stdin_ctx, &stdout_ctx, &stderr_ctx );
return MS_TRUE;
}