#include "gnunet_scheduler_lib.h"
#include "gnunet_server_lib.h"
-#define DEBUG_CONNECTION GNUNET_EXTRA_LOGGING
#define LOG(kind,...) GNUNET_log_from (kind, "util", __VA_ARGS__)
ret->addr = uaddr;
ret->addrlen = addrlen;
ret->sock = sock;
-#if DEBUG_CONNECTION
- LOG (GNUNET_ERROR_TYPE_INFO, _("Accepting connection from `%s': %p\n"),
+ LOG (GNUNET_ERROR_TYPE_INFO,
+ _("Accepting connection from `%s': %p\n"),
GNUNET_a2s (uaddr, addrlen), ret);
-#endif
return ret;
}
GNUNET_assert (sock->dns_active == NULL);
if (0 != (sock->ccs & COCO_TRANSMIT_READY))
{
-#if DEBUG_CONNECTION
LOG (GNUNET_ERROR_TYPE_DEBUG, "Destroy waits for CCS-TR to be done (%p)\n",
sock);
-#endif
sock->ccs |= COCO_DESTROY_CONTINUATION;
return;
}
if (sock->write_task != GNUNET_SCHEDULER_NO_TASK)
{
-#if DEBUG_CONNECTION
LOG (GNUNET_ERROR_TYPE_DEBUG,
"Destroy waits for write_task to be done (%p)\n", sock);
-#endif
GNUNET_assert (GNUNET_SCHEDULER_NO_TASK == sock->destroy_task);
sock->destroy_task =
GNUNET_SCHEDULER_add_after (sock->write_task, &destroy_continuation,
}
if (sock->sock != NULL)
{
-#if DEBUG_CONNECTION
LOG (GNUNET_ERROR_TYPE_DEBUG, "Shutting down socket (%p)\n", sock);
-#endif
if (sock->persist != GNUNET_YES)
{
if ((GNUNET_YES != GNUNET_NETWORK_socket_shutdown (sock->sock, SHUT_RDWR))
sock);
return;
}
-#if DEBUG_CONNECTION
LOG (GNUNET_ERROR_TYPE_DEBUG, "Destroy actually runs (%p)!\n", sock);
-#endif
while (NULL != (pos = sock->ap_head))
{
GNUNET_break (GNUNET_OK == GNUNET_NETWORK_socket_close (pos->sock));
GNUNET_free_non_null (sock->addr);
GNUNET_free_non_null (sock->hostname);
GNUNET_assert (GNUNET_SCHEDULER_NO_TASK == sock->destroy_task);
-#if DEBUG_CONNECTION
LOG (GNUNET_ERROR_TYPE_DEBUG, "Freeing memory of connection %p.\n", sock);
-#endif
GNUNET_free (sock->write_buffer);
GNUNET_free (sock);
}
static void
connect_fail_continuation (struct GNUNET_CONNECTION_Handle *h)
{
-#if DEBUG_CONNECTION
- LOG ((0 !=
- strncmp (h->hostname, "localhost:",
- 10)) ? GNUNET_ERROR_TYPE_INFO : GNUNET_ERROR_TYPE_WARNING,
- _
- ("Failed to establish TCP connection to `%s:%u', no further addresses to try.\n"),
+ LOG (GNUNET_ERROR_TYPE_INFO,
+ _("Failed to establish TCP connection to `%s:%u', no further addresses to try.\n"),
h->hostname, h->port);
-#endif
/* connect failed / timed out */
GNUNET_break (h->ap_head == NULL);
GNUNET_break (h->ap_tail == NULL);
/* trigger jobs that used to wait on "connect_task" */
if (0 != (h->ccs & COCO_RECEIVE_AGAIN))
{
-#if DEBUG_CONNECTION
LOG (GNUNET_ERROR_TYPE_DEBUG,
"connect_fail_continuation triggers receive_again (%p)\n", h);
-#endif
h->ccs -= COCO_RECEIVE_AGAIN;
h->read_task = GNUNET_SCHEDULER_add_now (&receive_again, h);
}
if (0 != (h->ccs & COCO_TRANSMIT_READY))
{
-#if DEBUG_CONNECTION
LOG (GNUNET_ERROR_TYPE_DEBUG,
"connect_fail_continuation cancels timeout_task, triggers transmit_ready (%p)\n",
h);
-#endif
GNUNET_assert (h->nth.timeout_task != GNUNET_SCHEDULER_NO_TASK);
GNUNET_SCHEDULER_cancel (h->nth.timeout_task);
h->nth.timeout_task = GNUNET_SCHEDULER_NO_TASK;
}
if (0 != (h->ccs & COCO_DESTROY_CONTINUATION))
{
-#if DEBUG_CONNECTION
LOG (GNUNET_ERROR_TYPE_DEBUG,
"connect_fail_continuation runs destroy_continuation (%p)\n", h);
-#endif
h->ccs -= COCO_DESTROY_CONTINUATION;
GNUNET_assert (GNUNET_SCHEDULER_NO_TASK == h->destroy_task);
h->destroy_task = GNUNET_SCHEDULER_add_now (&destroy_continuation, h);
static void
connect_success_continuation (struct GNUNET_CONNECTION_Handle *h)
{
-#if DEBUG_CONNECTION
LOG (GNUNET_ERROR_TYPE_DEBUG, "Connection to `%s' succeeded! (%p)\n",
GNUNET_a2s (h->addr, h->addrlen), h);
-#endif
/* trigger jobs that waited for the connection */
if (0 != (h->ccs & COCO_RECEIVE_AGAIN))
{
-#if DEBUG_CONNECTION
LOG (GNUNET_ERROR_TYPE_DEBUG,
"connect_success_continuation runs receive_again (%p)\n", h);
-#endif
h->ccs -= COCO_RECEIVE_AGAIN;
h->read_task = GNUNET_SCHEDULER_add_now (&receive_again, h);
}
if (0 != (h->ccs & COCO_TRANSMIT_READY))
{
-#if DEBUG_CONNECTION
LOG (GNUNET_ERROR_TYPE_DEBUG,
"connect_success_continuation runs transmit_ready, cancels timeout_task (%p)\n",
h);
-#endif
GNUNET_assert (h->nth.timeout_task != GNUNET_SCHEDULER_NO_TASK);
GNUNET_SCHEDULER_cancel (h->nth.timeout_task);
h->nth.timeout_task = GNUNET_SCHEDULER_NO_TASK;
}
if (0 != (h->ccs & COCO_DESTROY_CONTINUATION))
{
-#if DEBUG_CONNECTION
LOG (GNUNET_ERROR_TYPE_DEBUG,
"connect_success_continuation runs destroy_continuation (%p)\n", h);
-#endif
h->ccs -= COCO_DESTROY_CONTINUATION;
GNUNET_assert (GNUNET_SCHEDULER_NO_TASK == h->destroy_task);
h->destroy_task = GNUNET_SCHEDULER_add_now (&destroy_continuation, h);
return; /* already connected */
GNUNET_assert (h->addr == NULL);
/* try to connect */
-#if DEBUG_CONNECTION
LOG (GNUNET_ERROR_TYPE_DEBUG,
"Trying to connect using address `%s:%u/%s:%u'\n", h->hostname, h->port,
GNUNET_a2s (addr, addrlen), h->port);
-#endif
ap = GNUNET_malloc (sizeof (struct AddressProbe) + addrlen);
ap->addr = (const struct sockaddr *) &ap[1];
memcpy (&ap[1], addr, addrlen);
GNUNET_free (ap);
return; /* not supported by OS */
}
-#if DEBUG_CONNECTION
LOG (GNUNET_ERROR_TYPE_INFO, _("Trying to connect to `%s' (%p)\n"),
GNUNET_a2s (ap->addr, ap->addrlen), h);
-#endif
if ((GNUNET_OK !=
GNUNET_NETWORK_socket_connect (ap->sock, ap->addr, ap->addrlen)) &&
(errno != EINPROGRESS))
ret->addr = GNUNET_malloc (addrlen);
memcpy (ret->addr, serv_addr, addrlen);
ret->addrlen = addrlen;
-#if DEBUG_CONNECTION
LOG (GNUNET_ERROR_TYPE_INFO, _("Trying to connect to `%s' (%p)\n"),
GNUNET_a2s (serv_addr, addrlen), ret);
-#endif
return ret;
}
{
GNUNET_CONNECTION_Receiver receiver;
-#if DEBUG_CONNECTION
LOG (GNUNET_ERROR_TYPE_DEBUG, "Network signals time out to receiver (%p)!\n",
sh);
-#endif
GNUNET_assert (NULL != (receiver = sh->receiver));
sh->receiver = NULL;
receiver (sh->receiver_cls, NULL, 0, NULL, 0, 0);
(0 != (tc->reason & GNUNET_SCHEDULER_REASON_SHUTDOWN)))
{
/* ignore shutdown request, go again immediately */
-#if DEBUG_CONNECTION
LOG (GNUNET_ERROR_TYPE_DEBUG,
"Ignoring shutdown signal per configuration\n");
-#endif
sh->read_task =
GNUNET_SCHEDULER_add_read_net (GNUNET_TIME_absolute_get_remaining
(sh->receive_timeout), sh->sock,
(0 != (tc->reason & GNUNET_SCHEDULER_REASON_TIMEOUT)) ||
(0 != (tc->reason & GNUNET_SCHEDULER_REASON_SHUTDOWN)))
{
-#if DEBUG_CONNECTION
if (0 == (tc->reason & GNUNET_SCHEDULER_REASON_SHUTDOWN))
LOG (GNUNET_ERROR_TYPE_DEBUG,
"Receive from `%s' encounters error: time out by %llums... (%p)\n",
GNUNET_a2s (sh->addr, sh->addrlen),
GNUNET_TIME_absolute_get_duration (sh->receive_timeout).rel_value,
sh);
-#endif
signal_timeout (sh);
return;
}
if (sh->sock == NULL)
{
/* connect failed for good */
-#if DEBUG_CONNECTION
LOG (GNUNET_ERROR_TYPE_DEBUG,
"Receive encounters error, socket closed... (%p)\n", sh);
-#endif
signal_error (sh, ECONNREFUSED);
return;
}
{
if (errno == EINTR)
goto RETRY;
-#if DEBUG_CONNECTION
LOG (GNUNET_ERROR_TYPE_DEBUG, "Error receiving: %s\n", STRERROR (errno));
-#endif
signal_error (sh, errno);
return;
}
-#if DEBUG_CONNECTION
LOG (GNUNET_ERROR_TYPE_DEBUG,
"receive_ready read %u/%u bytes from `%s' (%p)!\n", (unsigned int) ret,
sh->max, GNUNET_a2s (sh->addr, sh->addrlen), sh);
-#endif
GNUNET_assert (NULL != (receiver = sh->receiver));
sh->receiver = NULL;
receiver (sh->receiver_cls, buffer, ret, sh->addr, sh->addrlen, 0);
if (sh->sock == NULL)
{
/* not connected and no longer trying */
-#if DEBUG_CONNECTION
LOG (GNUNET_ERROR_TYPE_DEBUG,
"Receive encounters error, socket closed (%p)...\n", sh);
-#endif
signal_error (sh, ECONNREFUSED);
return;
}
if ((now.abs_value > sh->receive_timeout.abs_value) ||
(0 != (tc->reason & GNUNET_SCHEDULER_REASON_SHUTDOWN)))
{
-#if DEBUG_CONNECTION
LOG (GNUNET_ERROR_TYPE_DEBUG,
"Receive encounters error: time out (%p)...\n", sh);
-#endif
signal_timeout (sh);
return;
}
struct GNUNET_CONNECTION_Handle *sock = cls;
GNUNET_CONNECTION_TransmitReadyNotify notify;
-#if DEBUG_CONNECTION
- LOG (GNUNET_ERROR_TYPE_DEBUG, "transmit_timeout running (%p)\n", sock);
-#endif
sock->nth.timeout_task = GNUNET_SCHEDULER_NO_TASK;
-#if DEBUG_CONNECTION
LOG (GNUNET_ERROR_TYPE_DEBUG,
- "Transmit to `%s:%u/%s' fails, time out reached (%p).\n", sock->hostname,
+ "Transmit to `%s:%u/%s' fails, time out reached (%p).\n",
+ sock->hostname,
sock->port, GNUNET_a2s (sock->addr, sock->addrlen), sock);
-#endif
GNUNET_assert (0 != (sock->ccs & COCO_TRANSMIT_READY));
sock->ccs -= COCO_TRANSMIT_READY; /* remove request */
notify = sock->nth.notify_ready;
struct GNUNET_CONNECTION_Handle *sock = cls;
GNUNET_CONNECTION_TransmitReadyNotify notify;
-#if DEBUG_CONNECTION
LOG (GNUNET_ERROR_TYPE_DEBUG,
"Transmission request of size %u fails (%s/%u), connection failed (%p).\n",
sock->nth.notify_size, sock->hostname, sock->port, sock);
-#endif
sock->write_task = GNUNET_SCHEDULER_NO_TASK;
notify = sock->nth.notify_ready;
sock->nth.notify_ready = NULL;
GNUNET_NETWORK_socket_shutdown (sock->sock, SHUT_RDWR);
GNUNET_break (GNUNET_OK == GNUNET_NETWORK_socket_close (sock->sock));
sock->sock = NULL;
+ GNUNET_assert (GNUNET_SCHEDULER_NO_TASK == sock->write_task);
}
if (sock->read_task != GNUNET_SCHEDULER_NO_TASK)
{
ssize_t ret;
size_t have;
-#if DEBUG_CONNECTION
LOG (GNUNET_ERROR_TYPE_DEBUG, "transmit_ready running (%p).\n", sock);
-#endif
GNUNET_assert (sock->write_task != GNUNET_SCHEDULER_NO_TASK);
sock->write_task = GNUNET_SCHEDULER_NO_TASK;
GNUNET_assert (sock->nth.timeout_task == GNUNET_SCHEDULER_NO_TASK);
{
if ((sock->ignore_shutdown == GNUNET_YES) && (NULL != sock->sock))
goto SCHEDULE_WRITE; /* ignore shutdown, go again immediately */
-#if DEBUG_CONNECTION
LOG (GNUNET_ERROR_TYPE_DEBUG,
"Transmit to `%s' fails, shutdown happened (%p).\n",
GNUNET_a2s (sock->addr, sock->addrlen), sock);
-#endif
notify = sock->nth.notify_ready;
if (NULL != notify)
{
}
if (0 != (tc->reason & GNUNET_SCHEDULER_REASON_TIMEOUT))
{
-#if DEBUG_CONNECTION
LOG (GNUNET_ERROR_TYPE_DEBUG,
"Transmit to `%s' fails, time out reached (%p).\n",
GNUNET_a2s (sock->addr, sock->addrlen), sock);
-#endif
notify = sock->nth.notify_ready;
GNUNET_assert (NULL != notify);
sock->nth.notify_ready = NULL;
}
if (!GNUNET_NETWORK_fdset_isset (tc->write_ready, sock->sock))
{
-#if DEBUG_CONNECTION
LOG (GNUNET_ERROR_TYPE_INFO,
_
("Could not satisfy pending transmission request, socket closed or connect failed (%p).\n"),
sock);
-#endif
+ GNUNET_assert (GNUNET_SCHEDULER_NO_TASK == sock->write_task);
transmit_error (sock);
return; /* connect failed for good, we're finished */
}
{
if (errno == EINTR)
goto RETRY;
-#if 0
- int en = errno;
-
- LOG (GNUNET_ERROR_TYPE_ERROR, _("Failed to send to `%s': %s\n"),
- GNUNET_a2s (sock->addr, sock->addrlen), STRERROR (en));
-#endif
-#if DEBUG_CONNECTION
LOG_STRERROR (GNUNET_ERROR_TYPE_DEBUG, "send");
-#endif
+ if (GNUNET_SCHEDULER_NO_TASK != sock->write_task)
+ {
+ GNUNET_SCHEDULER_cancel (sock->write_task);
+ sock->write_task = GNUNET_SCHEDULER_NO_TASK;
+ }
transmit_error (sock);
return;
}
-#if DEBUG_CONNECTION
LOG (GNUNET_ERROR_TYPE_DEBUG,
"transmit_ready transmitted %u/%u bytes to `%s' (%p)\n",
(unsigned int) ret, have, GNUNET_a2s (sock->addr, sock->addrlen), sock);
-#endif
sock->write_buffer_pos += ret;
if (sock->write_buffer_pos == sock->write_buffer_off)
{
return; /* all data sent! */
/* not done writing, schedule more */
SCHEDULE_WRITE:
-#if DEBUG_CONNECTION
LOG (GNUNET_ERROR_TYPE_DEBUG,
"Re-scheduling transmit_ready (more to do) (%p).\n", sock);
-#endif
have = sock->write_buffer_off - sock->write_buffer_pos;
GNUNET_assert ((sock->nth.notify_ready != NULL) || (have > 0));
if (sock->write_task == GNUNET_SCHEDULER_NO_TASK)
return &sock->nth;
if (sock->sock != NULL)
{
-#if DEBUG_CONNECTION
LOG (GNUNET_ERROR_TYPE_DEBUG, "Scheduling transmit_ready (%p).\n", sock);
-#endif
sock->write_task =
GNUNET_SCHEDULER_add_write_net (GNUNET_TIME_absolute_get_remaining
(sock->nth.transmit_timeout),
}
else
{
-#if DEBUG_CONNECTION
LOG (GNUNET_ERROR_TYPE_DEBUG,
"CCS-Scheduling transmit_ready, adding timeout task (%p).\n", sock);
-#endif
sock->ccs |= COCO_TRANSMIT_READY;
sock->nth.timeout_task =
GNUNET_SCHEDULER_add_delayed (timeout, &transmit_timeout, sock);
GNUNET_assert (th->notify_ready != NULL);
if (0 != (th->sh->ccs & COCO_TRANSMIT_READY))
{
-#if DEBUG_CONNECTION
LOG (GNUNET_ERROR_TYPE_DEBUG,
"notify_transmit_ready_cancel cancels timeout_task (%p)\n", th);
-#endif
GNUNET_SCHEDULER_cancel (th->timeout_task);
th->timeout_task = GNUNET_SCHEDULER_NO_TASK;
th->sh->ccs -= COCO_TRANSMIT_READY;