#include "gatserver.h"
#define BUF_SIZE 4096
+/* #define WRITE_SCHEDULER_DEBUG 1 */
enum ParserState {
PARSER_STATE_IDLE,
static gboolean can_write_data(GIOChannel *channel, GIOCondition cond,
gpointer data)
{
+ GAtServer *server = data;
+ GIOError err;
+ gsize bytes_written;
+ gsize towrite;
+ struct ring_buffer *write_buf;
+ unsigned char *buf;
+ gboolean write_again = FALSE;
+#ifdef WRITE_SCHEDULER_DEBUG
+ int limiter;
+#endif
+
+ if (cond & (G_IO_NVAL | G_IO_HUP | G_IO_ERR))
+ return FALSE;
+
+ if (!server->write_queue)
+ return FALSE;
+
+ /* Write data out from the head of the queue */
+ write_buf = g_queue_peek_head(server->write_queue);
+
+ buf = ring_buffer_read_ptr(write_buf, 0);
+
+ towrite = ring_buffer_len_no_wrap(write_buf);
+ if (towrite < (gsize)ring_buffer_len(write_buf))
+ write_again = TRUE;
+
+#ifdef WRITE_SCHEDULER_DEBUG
+ limiter = towrite;
+
+ if (limiter > 5)
+ limiter = 5;
+#endif
+
+ err = g_io_channel_write(server->channel,
+ (char *)buf,
+#ifdef WRITE_SCHEDULER_DEBUG
+ limiter,
+#else
+ towrite,
+#endif
+ &bytes_written);
+
+ if (err != G_IO_ERROR_NONE) {
+ g_source_remove(server->read_watch);
+ return FALSE;
+ }
+
+ g_at_util_debug_chat(FALSE, (char *)buf, bytes_written, server->debugf,
+ server->debug_data);
+
+ ring_buffer_drain(write_buf, bytes_written);
+
+ /* All data in current buffer is written, free it
+ * unless it's the last buffer in the queue.
+ */
+ if ((ring_buffer_len(write_buf) == 0) &&
+ (g_queue_get_length(server->write_queue) != 1)) {
+ write_buf = g_queue_pop_head(server->write_queue);
+ ring_buffer_free(write_buf);
+ return TRUE;
+ }
+
+ if (bytes_written < towrite || write_again == TRUE)
+ return TRUE;
+
return FALSE;
}