static void
handle_fd (DskPattern *pattern,
const char *prefix_filename,
unsigned buffer_size,
int fd)
{
DskBuffer in = DSK_BUFFER_INIT;
DskBuffer out = DSK_BUFFER_INIT;
for (;;)
{
int rv = dsk_buffer_readv (&in, fd);
if (rv == 0)
break;
char *line;
while ((line = dsk_buffer_read_line (&in)) != NULL)
{
if (dsk_pattern_match (pattern, line))
{
if (prefix_filename)
{
dsk_buffer_append_string (&out, prefix_filename);
dsk_buffer_append_string (&out, ": ");
}
dsk_buffer_append_string (&out, line);
dsk_buffer_append_byte (&out, '\n');
while (out.size > buffer_size)
dsk_buffer_writev (&out, STDOUT_FILENO);
}
dsk_free (line);
}
}
while (out.size > 0)
dsk_buffer_writev (&out, STDOUT_FILENO);
}
static DskIOResult
dsk_client_stream_source_read_buffer (DskOctetSource *source,
DskBuffer *read_buffer,
DskError **error)
{
int rv;
DskClientStream *stream;
if (source->stream == NULL)
{
dsk_set_error (error, "read from dead stream");
return DSK_IO_RESULT_ERROR;
}
stream = DSK_CLIENT_STREAM (source->stream);
if (stream->fd < 0)
{
dsk_set_error (error, "read from stream with no file-descriptor");
return DSK_IO_RESULT_ERROR;
}
rv = dsk_buffer_readv (read_buffer, stream->fd);
if (rv < 0)
{
if (errno == EINTR || errno == EAGAIN)
return DSK_IO_RESULT_AGAIN;
dsk_set_error (error, "error reading data from fd %u: %s",
stream->fd, strerror (errno));
return DSK_IO_RESULT_ERROR;
}
if (rv == 0)
return DSK_IO_RESULT_EOF;
ping_idle_disconnect_timer (stream);
return DSK_IO_RESULT_SUCCESS;
}