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This commit is contained in:
rhp 2001-06-13 04:58:55 +00:00
parent e188d3c4f6
commit d5914732d2
1 changed files with 91 additions and 24 deletions
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115
src/uislave/messagequeue.c
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@ -112,7 +112,7 @@ meta_message_queue_new (int fd,
mq->buf = g_string_new ("");
mq->current_message = g_string_new ("");
mq->current_required_len = 0;
mq->last_serial = -1;
mq->last_serial = 0;
mq->out_poll.fd = fd;
mq->out_poll.events = G_IO_IN;
@ -207,28 +207,6 @@ append_pending (MetaMessageQueue *mq)
static void
mq_queue_messages (MetaMessageQueue *mq)
{
if (mq->out_poll.revents & G_IO_IN)
{
ReadResult res;
res = read_data (mq->buf, mq->out_poll.fd);
switch (res)
{
case READ_OK:
meta_verbose ("Read data from slave, %d bytes in buffer\n",
mq->buf->len);
break;
case READ_EOF:
meta_verbose ("EOF reading stdout from slave process\n");
break;
case READ_FAILED:
/* read_data printed the error */
break;
}
}
while (mq->buf->len > 0)
{
if (mq->current_required_len > 0)
@ -360,9 +338,12 @@ mq_queue_messages (MetaMessageQueue *mq)
static gboolean
mq_messages_pending (MetaMessageQueue *mq)
{
return mq->queue->length > 0 ||
return mq->queue->length > 0;
/* these are useless until we wake up on poll again */
#if 0
mq->buf->len > 0 ||
mq->current_message->len > 0;
#endif
}
static gboolean
@ -379,6 +360,7 @@ mq_prepare (GSource *source, gint *timeout)
return mq_messages_pending (mq);
}
#include <stdio.h>
static gboolean
mq_check (GSource *source)
{
@ -387,6 +369,29 @@ mq_check (GSource *source)
mq = (MetaMessageQueue*) source;
mq_queue_messages (mq);
if (mq->out_poll.revents & G_IO_IN)
{
ReadResult res;
res = read_data (mq->buf, mq->out_poll.fd);
switch (res)
{
case READ_OK:
meta_verbose ("Read data from slave, %d bytes in buffer\n",
mq->buf->len);
break;
case READ_EOF:
meta_verbose ("EOF reading stdout from slave process\n");
break;
case READ_FAILED:
/* read_data printed the error */
break;
}
}
mq->out_poll.revents = 0;
return mq_messages_pending (mq);
@ -475,3 +480,65 @@ read_data (GString *str,
else
return READ_OK;
}
/* Wait forever and build infinite queue until we get
* the desired serial_of_request or one higher than it
*/
void
meta_message_queue_wait_for_reply (MetaMessageQueue *mq,
int serial_of_request)
{
ReadResult res;
int prev_len;
prev_len = 0;
while (TRUE)
{
if (prev_len < mq->queue->length)
{
GList *tmp;
tmp = g_list_nth (mq->queue->head, prev_len);
while (tmp != NULL)
{
MetaMessage *msg = tmp->data;
if (msg->header.request_serial == serial_of_request)
return;
if (msg->header.request_serial > serial_of_request)
{
meta_warning ("Serial request %d is greater than the awaited request %d\n",
msg->header.request_serial, serial_of_request);
return;
}
tmp = tmp->next;
}
prev_len = mq->queue->length;
}
res = read_data (mq->buf, mq->out_poll.fd);
switch (res)
{
case READ_OK:
meta_verbose ("Read data from slave, %d bytes in buffer\n",
mq->buf->len);
break;
case READ_EOF:
meta_verbose ("EOF reading stdout from slave process\n");
return;
break;
case READ_FAILED:
/* read_data printed the error */
return;
break;
}
mq_queue_messages (mq);
}
}