/*
* Callback for when data is available on the standard output handle of
* a process channel that is interactive mode
*/
DWORD process_channel_interact_notify(Remote *remote, Channel *channel)
{
ProcessChannelContext *ctx = (ProcessChannelContext *)channel->ops.stream.native.context;
DWORD bytesRead, bytesAvail = 0;
CHAR buffer[16384];
DWORD result = ERROR_SUCCESS;
#ifdef _WIN32
if( PeekNamedPipe( ctx->pStdout, NULL, 0, NULL, &bytesAvail, NULL ) )
{
if( bytesAvail )
{
if( ReadFile( ctx->pStdout, buffer, sizeof(buffer) - 1, &bytesRead, NULL ) )
{
return channel_write( channel, remote, NULL, 0, buffer, bytesRead, NULL );
}
}
else
{
// sf: if no data is available on the pipe we sleep to avoid running a tight loop
// in this thread, as anonymous pipes won't block for data to arrive.
Sleep( 100 );
}
}
#else
bytesRead = read ( ctx->pStdout, buffer, sizeof(buffer) - 1);
if ( bytesRead > 0 )
{
dprintf("bytesRead: %d, errno: %d", bytesRead, errno);
result = channel_write ( channel, remote, NULL, 0, buffer, bytesRead, NULL );
}
if(bytesRead == -1) {
if(errno == EINTR || errno == EWOULDBLOCK || errno == EAGAIN) {
errno = ERROR_SUCCESS;
}
}
if(bytesRead == 0) {
errno = ECONNRESET;
}
if(bytesRead <= 0) result = errno;
#endif
if( GetLastError() != ERROR_SUCCESS )
{
dprintf("Closing down socket: errno: %d\n", errno);
process_channel_close( channel, NULL, ctx );
channel_close( channel, remote, NULL, 0, NULL );
}
return result;
}
/*
* Callback for when data is available on the standard output handle of
* a process channel that is interactive mode
*/
DWORD process_channel_interact_notify(Remote *remote, LPVOID entryContext, LPVOID threadContext)
{
Channel *channel = (Channel*)entryContext;
ProcessChannelContext *ctx = (ProcessChannelContext *)threadContext;
DWORD bytesRead, bytesAvail = 0;
CHAR buffer[16384];
DWORD result = ERROR_SUCCESS;
if (!channel_exists(channel) || ctx == NULL)
{
return result;
}
if( PeekNamedPipe( ctx->pStdout, NULL, 0, NULL, &bytesAvail, NULL ) )
{
if( bytesAvail )
{
if( ReadFile( ctx->pStdout, buffer, sizeof(buffer) - 1, &bytesRead, NULL ) )
{
return channel_write( channel, remote, NULL, 0, buffer, bytesRead, NULL );
}
result = GetLastError();
}
else
{
// sf: if no data is available on the pipe we sleep to avoid running a tight loop
// in this thread, as anonymous pipes won't block for data to arrive.
Sleep( 100 );
}
}
else
{
result = GetLastError();
}
if( result != ERROR_SUCCESS )
{
dprintf("Closing down socket: result: %d\n", result);
process_channel_close( channel, NULL, ctx );
channel_close( channel, remote, NULL, 0, NULL );
}
return result;
}
