void *notify_ready_cls;
/**
- * Our socket handle.
+ * Our connection handle.
*/
- struct GNUNET_CONNECTION_Handle *sh;
+ struct GNUNET_CONNECTION_Handle *connection;
/**
* Timeout for receiving (in absolute time).
/**
* Connection for which we are probing.
*/
- struct GNUNET_CONNECTION_Handle *h;
+ struct GNUNET_CONNECTION_Handle *connection;
/**
* Lenth of addr.
socklen_t addrlen;
/**
- * Task waiting for the socket to finish connecting.
+ * Task waiting for the connection to finish connecting.
*/
GNUNET_SCHEDULER_TaskIdentifier task;
};
/**
- * @brief handle for a network socket
+ * @brief handle for a network connection
*/
struct GNUNET_CONNECTION_Handle
{
struct sockaddr *addr;
/**
- * Pointer to the hostname if socket was
+ * Pointer to the hostname if connection was
* created using DNS lookup, otherwise NULL.
*/
char *hostname;
size_t max;
/**
- * Ignore GNUNET_SCHEDULER_REASON_SHUTDOWN for this socket.
+ * Ignore GNUNET_SCHEDULER_REASON_SHUTDOWN for this connection.
*/
int ignore_shutdown;
* that the underlying socket or fd should never really be closed.
* Used for indicating process death.
*
- * @param sock the connection to set persistent
+ * @param connection the connection to set persistent
*/
void
-GNUNET_CONNECTION_persist_ (struct GNUNET_CONNECTION_Handle *sock)
+GNUNET_CONNECTION_persist_ (struct GNUNET_CONNECTION_Handle *connection)
{
- sock->persist = GNUNET_YES;
+ connection->persist = GNUNET_YES;
}
/**
- * Disable the "CORK" feature for communication with the given socket,
+ * Disable the "CORK" feature for communication with the given connection,
* forcing the OS to immediately flush the buffer on transmission
* instead of potentially buffering multiple messages. Essentially
* reduces the OS send buffers to zero.
* Used to make sure that the last messages sent through the connection
* reach the other side before the process is terminated.
*
- * @param sock the connection to make flushing and blocking
+ * @param connection the connection to make flushing and blocking
* @return GNUNET_OK on success
*/
int
-GNUNET_CONNECTION_disable_corking (struct GNUNET_CONNECTION_Handle *sock)
+GNUNET_CONNECTION_disable_corking (struct GNUNET_CONNECTION_Handle *connection)
{
- return GNUNET_NETWORK_socket_disable_corking (sock->sock);
+ return GNUNET_NETWORK_socket_disable_corking (connection->sock);
}
/**
- * Create a socket handle by boxing an existing OS socket. The OS
+ * Create a connection handle by boxing an existing OS socket. The OS
* socket should henceforth be no longer used directly.
- * GNUNET_socket_destroy will close it.
+ * GNUNET_connection_destroy will close it.
*
* @param osSocket existing socket to box
- * @return the boxed socket handle
+ * @return the boxed connection handle
*/
struct GNUNET_CONNECTION_Handle *
GNUNET_CONNECTION_create_from_existing (struct GNUNET_NETWORK_Handle *osSocket)
{
- struct GNUNET_CONNECTION_Handle *ret;
+ struct GNUNET_CONNECTION_Handle *connection;
- ret = GNUNET_malloc (sizeof (struct GNUNET_CONNECTION_Handle));
- ret->write_buffer_size = GNUNET_SERVER_MIN_BUFFER_SIZE;
- ret->write_buffer = GNUNET_malloc (ret->write_buffer_size);
- ret->sock = osSocket;
- return ret;
+ connection = GNUNET_malloc (sizeof (struct GNUNET_CONNECTION_Handle));
+ connection->write_buffer_size = GNUNET_SERVER_MIN_BUFFER_SIZE;
+ connection->write_buffer = GNUNET_malloc (connection->write_buffer_size);
+ connection->sock = osSocket;
+ return connection;
}
/**
- * Create a socket handle by accepting on a listen socket. This
+ * Create a connection handle by accepting on a listen socket. This
* function may block if the listen socket has no connection ready.
*
* @param access function to use to check if access is allowed
* @param access_cls closure for access
* @param lsock listen socket
- * @return the socket handle, NULL on error
+ * @return the connection handle, NULL on error
*/
struct GNUNET_CONNECTION_Handle *
GNUNET_CONNECTION_create_from_accept (GNUNET_CONNECTION_AccessCheck access,
void *access_cls,
struct GNUNET_NETWORK_Handle *lsock)
{
- struct GNUNET_CONNECTION_Handle *ret;
+ struct GNUNET_CONNECTION_Handle *connection;
char addr[128];
socklen_t addrlen;
struct GNUNET_NETWORK_Handle *sock;
GNUNET_free (uaddr);
return NULL;
}
- ret = GNUNET_malloc (sizeof (struct GNUNET_CONNECTION_Handle));
- ret->write_buffer_size = GNUNET_SERVER_MIN_BUFFER_SIZE;
- ret->write_buffer = GNUNET_malloc (ret->write_buffer_size);
- ret->addr = uaddr;
- ret->addrlen = addrlen;
- ret->sock = sock;
+ connection = GNUNET_malloc (sizeof (struct GNUNET_CONNECTION_Handle));
+ connection->write_buffer_size = GNUNET_SERVER_MIN_BUFFER_SIZE;
+ connection->write_buffer = GNUNET_malloc (connection->write_buffer_size);
+ connection->addr = uaddr;
+ connection->addrlen = addrlen;
+ connection->sock = sock;
LOG (GNUNET_ERROR_TYPE_INFO,
_("Accepting connection from `%s': %p\n"),
- GNUNET_a2s (uaddr, addrlen), ret);
- return ret;
+ GNUNET_a2s (uaddr, addrlen), connection);
+ return connection;
}
/**
* Obtain the network address of the other party.
*
- * @param sock the client to get the address for
+ * @param connection the client to get the address for
* @param addr where to store the address
* @param addrlen where to store the length of the address
* @return GNUNET_OK on success
*/
int
-GNUNET_CONNECTION_get_address (struct GNUNET_CONNECTION_Handle *sock,
+GNUNET_CONNECTION_get_address (struct GNUNET_CONNECTION_Handle *connection,
void **addr, size_t * addrlen)
{
- if ((sock->addr == NULL) || (sock->addrlen == 0))
+ if ((connection->addr == NULL) || (connection->addrlen == 0))
return GNUNET_NO;
- *addr = GNUNET_malloc (sock->addrlen);
- memcpy (*addr, sock->addr, sock->addrlen);
- *addrlen = sock->addrlen;
+ *addr = GNUNET_malloc (connection->addrlen);
+ memcpy (*addr, connection->addr, connection->addrlen);
+ *addrlen = connection->addrlen;
return GNUNET_OK;
}
static void
destroy_continuation (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
{
- struct GNUNET_CONNECTION_Handle *sock = cls;
+ struct GNUNET_CONNECTION_Handle *connection = cls;
GNUNET_CONNECTION_TransmitReadyNotify notify;
struct AddressProbe *pos;
- sock->destroy_task = GNUNET_SCHEDULER_NO_TASK;
- GNUNET_assert (sock->dns_active == NULL);
- if (0 != (sock->ccs & COCO_TRANSMIT_READY))
+ connection->destroy_task = GNUNET_SCHEDULER_NO_TASK;
+ GNUNET_assert (connection->dns_active == NULL);
+ if (0 != (connection->ccs & COCO_TRANSMIT_READY))
{
LOG (GNUNET_ERROR_TYPE_DEBUG, "Destroy waits for CCS-TR to be done (%p)\n",
- sock);
- sock->ccs |= COCO_DESTROY_CONTINUATION;
+ connection);
+ connection->ccs |= COCO_DESTROY_CONTINUATION;
return;
}
- if (sock->write_task != GNUNET_SCHEDULER_NO_TASK)
+ if (connection->write_task != GNUNET_SCHEDULER_NO_TASK)
{
LOG (GNUNET_ERROR_TYPE_DEBUG,
- "Destroy waits for write_task to be done (%p)\n", sock);
- GNUNET_assert (GNUNET_SCHEDULER_NO_TASK == sock->destroy_task);
- sock->destroy_task =
- GNUNET_SCHEDULER_add_after (sock->write_task, &destroy_continuation,
- sock);
+ "Destroy waits for write_task to be done (%p)\n", connection);
+ GNUNET_assert (GNUNET_SCHEDULER_NO_TASK == connection->destroy_task);
+ connection->destroy_task =
+ GNUNET_SCHEDULER_add_after (connection->write_task, &destroy_continuation,
+ connection);
return;
}
- if (0 != (sock->ccs & COCO_RECEIVE_AGAIN))
+ if (0 != (connection->ccs & COCO_RECEIVE_AGAIN))
{
- sock->ccs |= COCO_DESTROY_CONTINUATION;
+ connection->ccs |= COCO_DESTROY_CONTINUATION;
return;
}
- if (sock->sock != NULL)
+ if (connection->sock != NULL)
{
- LOG (GNUNET_ERROR_TYPE_DEBUG, "Shutting down socket (%p)\n", sock);
- if (sock->persist != GNUNET_YES)
+ LOG (GNUNET_ERROR_TYPE_DEBUG, "Shutting down connection (%p)\n", connection);
+ if (connection->persist != GNUNET_YES)
{
- if ((GNUNET_YES != GNUNET_NETWORK_socket_shutdown (sock->sock, SHUT_RDWR))
+ if ((GNUNET_YES != GNUNET_NETWORK_socket_shutdown (connection->sock, SHUT_RDWR))
&& (errno != ENOTCONN) && (errno != ECONNRESET))
LOG_STRERROR (GNUNET_ERROR_TYPE_WARNING, "shutdown");
}
}
- if (sock->read_task != GNUNET_SCHEDULER_NO_TASK)
+ if (connection->read_task != GNUNET_SCHEDULER_NO_TASK)
{
- GNUNET_assert (GNUNET_SCHEDULER_NO_TASK == sock->destroy_task);
- sock->destroy_task =
- GNUNET_SCHEDULER_add_after (sock->read_task, &destroy_continuation,
- sock);
+ GNUNET_assert (GNUNET_SCHEDULER_NO_TASK == connection->destroy_task);
+ connection->destroy_task =
+ GNUNET_SCHEDULER_add_after (connection->read_task, &destroy_continuation,
+ connection);
return;
}
- LOG (GNUNET_ERROR_TYPE_DEBUG, "Destroy actually runs (%p)!\n", sock);
- while (NULL != (pos = sock->ap_head))
+ LOG (GNUNET_ERROR_TYPE_DEBUG, "Destroy actually runs (%p)!\n", connection);
+ while (NULL != (pos = connection->ap_head))
{
GNUNET_break (GNUNET_OK == GNUNET_NETWORK_socket_close (pos->sock));
GNUNET_SCHEDULER_cancel (pos->task);
- GNUNET_CONTAINER_DLL_remove (sock->ap_head, sock->ap_tail, pos);
+ GNUNET_CONTAINER_DLL_remove (connection->ap_head, connection->ap_tail, pos);
GNUNET_free (pos);
}
- GNUNET_assert (sock->nth.timeout_task == GNUNET_SCHEDULER_NO_TASK);
- GNUNET_assert (sock->ccs == COCO_NONE);
- if (NULL != (notify = sock->nth.notify_ready))
+ GNUNET_assert (connection->nth.timeout_task == GNUNET_SCHEDULER_NO_TASK);
+ GNUNET_assert (connection->ccs == COCO_NONE);
+ if (NULL != (notify = connection->nth.notify_ready))
{
- sock->nth.notify_ready = NULL;
- notify (sock->nth.notify_ready_cls, 0, NULL);
+ connection->nth.notify_ready = NULL;
+ notify (connection->nth.notify_ready_cls, 0, NULL);
}
- if (sock->sock != NULL)
+ if (connection->sock != NULL)
{
- if (sock->persist != GNUNET_YES)
- GNUNET_break (GNUNET_OK == GNUNET_NETWORK_socket_close (sock->sock));
+ if (connection->persist != GNUNET_YES)
+ GNUNET_break (GNUNET_OK == GNUNET_NETWORK_socket_close (connection->sock));
else
- GNUNET_free (sock->sock); /* at least no memory leak (we deliberately
+ GNUNET_free (connection->sock); /* at least no memory leak (we deliberately
* leak the socket in this special case) ... */
}
- GNUNET_free_non_null (sock->addr);
- GNUNET_free_non_null (sock->hostname);
- GNUNET_assert (GNUNET_SCHEDULER_NO_TASK == sock->destroy_task);
- LOG (GNUNET_ERROR_TYPE_DEBUG, "Freeing memory of connection %p.\n", sock);
- GNUNET_free (sock->write_buffer);
- GNUNET_free (sock);
+ GNUNET_free_non_null (connection->addr);
+ GNUNET_free_non_null (connection->hostname);
+ GNUNET_assert (GNUNET_SCHEDULER_NO_TASK == connection->destroy_task);
+ LOG (GNUNET_ERROR_TYPE_DEBUG, "Freeing memory of connection %p.\n", connection);
+ GNUNET_free (connection->write_buffer);
+ GNUNET_free (connection);
}
/**
* We've succeeded in establishing a connection.
*
- * @param h the connection we tried to establish
+ * @param connection the connection we tried to establish
*/
static void
-connect_success_continuation (struct GNUNET_CONNECTION_Handle *h)
+connect_success_continuation (struct GNUNET_CONNECTION_Handle *connection)
{
LOG (GNUNET_ERROR_TYPE_DEBUG, "Connection to `%s' succeeded! (%p)\n",
- GNUNET_a2s (h->addr, h->addrlen), h);
+ GNUNET_a2s (connection->addr, connection->addrlen), connection);
/* trigger jobs that waited for the connection */
- if (0 != (h->ccs & COCO_RECEIVE_AGAIN))
+ if (0 != (connection->ccs & COCO_RECEIVE_AGAIN))
{
LOG (GNUNET_ERROR_TYPE_DEBUG,
- "connect_success_continuation runs receive_again (%p)\n", h);
- h->ccs -= COCO_RECEIVE_AGAIN;
- h->read_task = GNUNET_SCHEDULER_add_now (&receive_again, h);
+ "connect_success_continuation runs receive_again (%p)\n", connection);
+ connection->ccs -= COCO_RECEIVE_AGAIN;
+ connection->read_task = GNUNET_SCHEDULER_add_now (&receive_again, connection);
}
- if (0 != (h->ccs & COCO_TRANSMIT_READY))
+ if (0 != (connection->ccs & COCO_TRANSMIT_READY))
{
LOG (GNUNET_ERROR_TYPE_DEBUG,
"connect_success_continuation runs transmit_ready, cancels timeout_task (%p)\n",
- h);
- 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;
- h->ccs -= COCO_TRANSMIT_READY;
- GNUNET_assert (h->write_task == GNUNET_SCHEDULER_NO_TASK);
- GNUNET_assert (h->nth.notify_ready != NULL);
- h->write_task =
+ connection);
+ GNUNET_assert (connection->nth.timeout_task != GNUNET_SCHEDULER_NO_TASK);
+ GNUNET_SCHEDULER_cancel (connection->nth.timeout_task);
+ connection->nth.timeout_task = GNUNET_SCHEDULER_NO_TASK;
+ connection->ccs -= COCO_TRANSMIT_READY;
+ GNUNET_assert (connection->write_task == GNUNET_SCHEDULER_NO_TASK);
+ GNUNET_assert (connection->nth.notify_ready != NULL);
+ connection->write_task =
GNUNET_SCHEDULER_add_write_net (GNUNET_TIME_absolute_get_remaining
- (h->nth.transmit_timeout), h->sock,
- &transmit_ready, h);
+ (connection->nth.transmit_timeout), connection->sock,
+ &transmit_ready, connection);
}
- if (0 != (h->ccs & COCO_DESTROY_CONTINUATION))
+ if (0 != (connection->ccs & COCO_DESTROY_CONTINUATION))
{
LOG (GNUNET_ERROR_TYPE_DEBUG,
- "connect_success_continuation runs destroy_continuation (%p)\n", h);
- h->ccs -= COCO_DESTROY_CONTINUATION;
- GNUNET_assert (GNUNET_SCHEDULER_NO_TASK == h->destroy_task);
- h->destroy_task = GNUNET_SCHEDULER_add_now (&destroy_continuation, h);
+ "connect_success_continuation runs destroy_continuation (%p)\n", connection);
+ connection->ccs -= COCO_DESTROY_CONTINUATION;
+ GNUNET_assert (GNUNET_SCHEDULER_NO_TASK == connection->destroy_task);
+ connection->destroy_task = GNUNET_SCHEDULER_add_now (&destroy_continuation, connection);
}
}
const struct GNUNET_SCHEDULER_TaskContext *tc)
{
struct AddressProbe *ap = cls;
- struct GNUNET_CONNECTION_Handle *h = ap->h;
+ struct GNUNET_CONNECTION_Handle *connection = ap->connection;
struct AddressProbe *pos;
int error;
socklen_t len;
GNUNET_assert (ap->sock != NULL);
- GNUNET_CONTAINER_DLL_remove (h->ap_head, h->ap_tail, ap);
+ GNUNET_CONTAINER_DLL_remove (connection->ap_head, connection->ap_tail, ap);
len = sizeof (error);
errno = 0;
error = 0;
{
GNUNET_break (GNUNET_OK == GNUNET_NETWORK_socket_close (ap->sock));
GNUNET_free (ap);
- if ((NULL == h->ap_head) && (h->dns_active == GNUNET_NO))
- connect_fail_continuation (h);
+ if ((NULL == connection->ap_head) && (connection->dns_active == GNUNET_NO))
+ connect_fail_continuation (connection);
return;
}
- GNUNET_assert (h->sock == NULL);
- h->sock = ap->sock;
- GNUNET_assert (h->addr == NULL);
- h->addr = GNUNET_malloc (ap->addrlen);
- memcpy (h->addr, ap->addr, ap->addrlen);
- h->addrlen = ap->addrlen;
+ GNUNET_assert (connection->sock == NULL);
+ connection->sock = ap->sock;
+ GNUNET_assert (connection->addr == NULL);
+ connection->addr = GNUNET_malloc (ap->addrlen);
+ memcpy (connection->addr, ap->addr, ap->addrlen);
+ connection->addrlen = ap->addrlen;
GNUNET_free (ap);
/* cancel all other attempts */
- while (NULL != (pos = h->ap_head))
+ while (NULL != (pos = connection->ap_head))
{
GNUNET_break (GNUNET_OK == GNUNET_NETWORK_socket_close (pos->sock));
GNUNET_SCHEDULER_cancel (pos->task);
- GNUNET_CONTAINER_DLL_remove (h->ap_head, h->ap_tail, pos);
+ GNUNET_CONTAINER_DLL_remove (connection->ap_head, connection->ap_tail, pos);
GNUNET_free (pos);
}
- connect_success_continuation (h);
+ connect_success_continuation (connection);
}
/**
- * Try to establish a socket connection given the specified address.
+ * Try to establish a connection given the specified address.
* This function is called by the resolver once we have a DNS reply.
*
* @param cls our "struct GNUNET_CONNECTION_Handle *"
try_connect_using_address (void *cls, const struct sockaddr *addr,
socklen_t addrlen)
{
- struct GNUNET_CONNECTION_Handle *h = cls;
+ struct GNUNET_CONNECTION_Handle *connection = cls;
struct AddressProbe *ap;
struct GNUNET_TIME_Relative delay;
if (addr == NULL)
{
- h->dns_active = NULL;
- if ((NULL == h->ap_head) && (NULL == h->sock))
- connect_fail_continuation (h);
+ connection->dns_active = NULL;
+ if ((NULL == connection->ap_head) && (NULL == connection->sock))
+ connect_fail_continuation (connection);
return;
}
- if (h->sock != NULL)
+ if (connection->sock != NULL)
return; /* already connected */
- GNUNET_assert (h->addr == NULL);
+ GNUNET_assert (connection->addr == NULL);
/* try to connect */
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);
+ "Trying to connect using address `%s:%u/%s:%u'\n", connection->hostname, connection->port,
+ GNUNET_a2s (addr, addrlen), connection->port);
ap = GNUNET_malloc (sizeof (struct AddressProbe) + addrlen);
ap->addr = (const struct sockaddr *) &ap[1];
memcpy (&ap[1], addr, addrlen);
ap->addrlen = addrlen;
- ap->h = h;
+ ap->connection = connection;
switch (ap->addr->sa_family)
{
case AF_INET:
- ((struct sockaddr_in *) ap->addr)->sin_port = htons (h->port);
+ ((struct sockaddr_in *) ap->addr)->sin_port = htons (connection->port);
break;
case AF_INET6:
- ((struct sockaddr_in6 *) ap->addr)->sin6_port = htons (h->port);
+ ((struct sockaddr_in6 *) ap->addr)->sin6_port = htons (connection->port);
break;
default:
GNUNET_break (0);
return; /* not supported by OS */
}
LOG (GNUNET_ERROR_TYPE_INFO, _("Trying to connect to `%s' (%p)\n"),
- GNUNET_a2s (ap->addr, ap->addrlen), h);
+ GNUNET_a2s (ap->addr, ap->addrlen), connection);
if ((GNUNET_OK !=
GNUNET_NETWORK_socket_connect (ap->sock, ap->addr, ap->addrlen)) &&
(errno != EINPROGRESS))
LOG_STRERROR (GNUNET_ERROR_TYPE_INFO, "connect");
#if 0
LOG (GNUNET_ERROR_TYPE_INFO, _("Failed to connect to `%s' (%p)\n"),
- GNUNET_a2s (ap->addr, ap->addrlen), h);
+ GNUNET_a2s (ap->addr, ap->addrlen), connection);
#endif
GNUNET_break (GNUNET_OK == GNUNET_NETWORK_socket_close (ap->sock));
GNUNET_free (ap);
return;
}
- GNUNET_CONTAINER_DLL_insert (h->ap_head, h->ap_tail, ap);
+ GNUNET_CONTAINER_DLL_insert (connection->ap_head, connection->ap_tail, ap);
delay = GNUNET_CONNECTION_CONNECT_RETRY_TIMEOUT;
- if (h->nth.notify_ready != NULL)
+ if (connection->nth.notify_ready != NULL)
delay =
GNUNET_TIME_relative_min (delay,
- GNUNET_TIME_absolute_get_remaining (h->
+ GNUNET_TIME_absolute_get_remaining (connection->
nth.transmit_timeout));
- if (h->receiver != NULL)
+ if (connection->receiver != NULL)
delay =
GNUNET_TIME_relative_min (delay,
GNUNET_TIME_absolute_get_remaining
- (h->receive_timeout));
+ (connection->receive_timeout));
ap->task =
GNUNET_SCHEDULER_add_write_net (delay, ap->sock,
&connect_probe_continuation, ap);
/**
- * Create a socket handle by (asynchronously) connecting to a host.
+ * Create a connection handle by (asynchronously) connecting to a host.
* This function returns immediately, even if the connection has not
* yet been established. This function only creates TCP connections.
*
* @param cfg configuration to use
* @param hostname name of the host to connect to
* @param port port to connect to
- * @return the socket handle
+ * @return the connection handle
*/
struct GNUNET_CONNECTION_Handle *
GNUNET_CONNECTION_create_from_connect (const struct GNUNET_CONFIGURATION_Handle
*cfg, const char *hostname,
uint16_t port)
{
- struct GNUNET_CONNECTION_Handle *ret;
+ struct GNUNET_CONNECTION_Handle *connection;
GNUNET_assert (0 < strlen (hostname)); /* sanity check */
- ret = GNUNET_malloc (sizeof (struct GNUNET_CONNECTION_Handle));
- ret->cfg = cfg;
- ret->write_buffer_size = GNUNET_SERVER_MIN_BUFFER_SIZE;
- ret->write_buffer = GNUNET_malloc (ret->write_buffer_size);
- ret->port = port;
- ret->hostname = GNUNET_strdup (hostname);
- ret->dns_active =
- GNUNET_RESOLVER_ip_get (ret->hostname, AF_UNSPEC,
+ connection = GNUNET_malloc (sizeof (struct GNUNET_CONNECTION_Handle));
+ connection->cfg = cfg;
+ connection->write_buffer_size = GNUNET_SERVER_MIN_BUFFER_SIZE;
+ connection->write_buffer = GNUNET_malloc (connection->write_buffer_size);
+ connection->port = port;
+ connection->hostname = GNUNET_strdup (hostname);
+ connection->dns_active =
+ GNUNET_RESOLVER_ip_get (connection->hostname, AF_UNSPEC,
GNUNET_CONNECTION_CONNECT_RETRY_TIMEOUT,
- &try_connect_using_address, ret);
- return ret;
+ &try_connect_using_address, connection);
+ return connection;
}
/**
- * Create a socket handle by connecting to a UNIX domain service.
+ * Create a connection handle by connecting to a UNIX domain service.
* This function returns immediately, even if the connection has not
* yet been established. This function only creates UNIX connections.
*
* @param cfg configuration to use
* @param unixpath path to connect to
- * @return the socket handle, NULL on systems without UNIX support
+ * @return the connection handle, NULL on systems without UNIX support
*/
struct GNUNET_CONNECTION_Handle *
GNUNET_CONNECTION_create_from_connect_to_unixpath (const struct
*cfg, const char *unixpath)
{
#ifdef AF_UNIX
- struct GNUNET_CONNECTION_Handle *ret;
+ struct GNUNET_CONNECTION_Handle *connection;
struct sockaddr_un *un;
size_t slen;
#if LINUX
un->sun_path[0] = '\0';
#endif
- ret = GNUNET_malloc (sizeof (struct GNUNET_CONNECTION_Handle));
- ret->cfg = cfg;
- ret->write_buffer_size = GNUNET_SERVER_MIN_BUFFER_SIZE;
- ret->write_buffer = GNUNET_malloc (ret->write_buffer_size);
- ret->port = 0;
- ret->hostname = NULL;
- ret->addr = (struct sockaddr *) un;
- ret->addrlen = slen;
- ret->sock = GNUNET_NETWORK_socket_create (AF_UNIX, SOCK_STREAM, 0);
- if (NULL == ret->sock)
+ connection = GNUNET_malloc (sizeof (struct GNUNET_CONNECTION_Handle));
+ connection->cfg = cfg;
+ connection->write_buffer_size = GNUNET_SERVER_MIN_BUFFER_SIZE;
+ connection->write_buffer = GNUNET_malloc (connection->write_buffer_size);
+ connection->port = 0;
+ connection->hostname = NULL;
+ connection->addr = (struct sockaddr *) un;
+ connection->addrlen = slen;
+ connection->sock = GNUNET_NETWORK_socket_create (AF_UNIX, SOCK_STREAM, 0);
+ if (NULL == connection->sock)
{
- GNUNET_free (ret->addr);
- GNUNET_free (ret->write_buffer);
- GNUNET_free (ret);
+ GNUNET_free (connection->addr);
+ GNUNET_free (connection->write_buffer);
+ GNUNET_free (connection);
return NULL;
}
if (GNUNET_OK !=
- GNUNET_NETWORK_socket_connect (ret->sock, ret->addr, ret->addrlen))
+ GNUNET_NETWORK_socket_connect (connection->sock, connection->addr, connection->addrlen))
{
/* Just return; we expect everything to work eventually so don't fail HARD */
- GNUNET_break (GNUNET_OK == GNUNET_NETWORK_socket_close (ret->sock));
- ret->sock = NULL;
- return ret;
+ GNUNET_break (GNUNET_OK == GNUNET_NETWORK_socket_close (connection->sock));
+ connection->sock = NULL;
+ return connection;
}
- connect_success_continuation (ret);
- return ret;
+ connect_success_continuation (connection);
+ return connection;
#else
return NULL;
#endif
/**
- * Create a socket handle by (asynchronously) connecting to a host.
+ * Create a connection handle by (asynchronously) connecting to a host.
* This function returns immediately, even if the connection has not
* yet been established. This function only creates TCP connections.
*
* @param af_family address family to use
* @param serv_addr server address
* @param addrlen length of server address
- * @return the socket handle
+ * @return the connection handle
*/
struct GNUNET_CONNECTION_Handle *
GNUNET_CONNECTION_create_from_sockaddr (int af_family,
socklen_t addrlen)
{
struct GNUNET_NETWORK_Handle *s;
- struct GNUNET_CONNECTION_Handle *ret;
+ struct GNUNET_CONNECTION_Handle *connection;
s = GNUNET_NETWORK_socket_create (af_family, SOCK_STREAM, 0);
GNUNET_break (GNUNET_OK == GNUNET_NETWORK_socket_close (s));
return NULL;
}
- ret = GNUNET_CONNECTION_create_from_existing (s);
- ret->addr = GNUNET_malloc (addrlen);
- memcpy (ret->addr, serv_addr, addrlen);
- ret->addrlen = addrlen;
+ connection = GNUNET_CONNECTION_create_from_existing (s);
+ connection->addr = GNUNET_malloc (addrlen);
+ memcpy (connection->addr, serv_addr, addrlen);
+ connection->addrlen = addrlen;
LOG (GNUNET_ERROR_TYPE_INFO, _("Trying to connect to `%s' (%p)\n"),
- GNUNET_a2s (serv_addr, addrlen), ret);
- return ret;
+ GNUNET_a2s (serv_addr, addrlen), connection);
+ return connection;
}
/**
- * Check if socket is valid (no fatal errors have happened so far).
- * Note that a socket that is still trying to connect is considered
+ * Check if connection is valid (no fatal errors have happened so far).
+ * Note that a connection that is still trying to connect is considered
* valid.
*
- * @param sock socket to check
+ * @param sock connection to check
* @return GNUNET_YES if valid, GNUNET_NO otherwise
*/
int
/**
- * Close the socket and free associated resources. Pending
- * transmissions may be completed or dropped depending on the
- * arguments. If a receive call is pending and should
- * NOT be completed, 'GNUNET_CONNECTION_receive_cancel'
- * should be called explicitly first.
+ * Close the connection and free associated resources. A pending
+ * request for transmission is automatically cancelled (we might
+ * want to change this in the future). We require that there
+ * are no active pending requests for reading from the connection.
*
- * @param sock socket to destroy
+ * @param connection connection to destroy
*/
void
-GNUNET_CONNECTION_destroy (struct GNUNET_CONNECTION_Handle *sock)
+GNUNET_CONNECTION_destroy (struct GNUNET_CONNECTION_Handle *connection)
{
- int finish_pending_write = GNUNET_NO;
- if (GNUNET_NO == finish_pending_write)
+ GNUNET_assert (NULL == connection->receiver);
+ GNUNET_assert (GNUNET_SCHEDULER_NO_TASK == connection->read_task);
+ if (connection->write_task != GNUNET_SCHEDULER_NO_TASK)
{
- if (sock->write_task != GNUNET_SCHEDULER_NO_TASK)
- {
- GNUNET_SCHEDULER_cancel (sock->write_task);
- sock->write_task = GNUNET_SCHEDULER_NO_TASK;
- sock->write_buffer_off = 0;
- }
- sock->nth.notify_ready = NULL;
+ GNUNET_SCHEDULER_cancel (connection->write_task);
+ connection->write_task = GNUNET_SCHEDULER_NO_TASK;
+ connection->write_buffer_off = 0;
}
- if ((sock->write_buffer_off == 0) && (sock->dns_active != NULL))
+ connection->nth.notify_ready = NULL;
+ if (connection->dns_active != NULL)
{
- GNUNET_RESOLVER_request_cancel (sock->dns_active);
- sock->dns_active = NULL;
+ GNUNET_RESOLVER_request_cancel (connection->dns_active);
+ connection->dns_active = NULL;
}
- GNUNET_assert (GNUNET_SCHEDULER_NO_TASK == sock->destroy_task);
- sock->destroy_task = GNUNET_SCHEDULER_add_now (&destroy_continuation, sock);
+ GNUNET_assert (GNUNET_SCHEDULER_NO_TASK == connection->destroy_task);
+ connection->destroy_task = GNUNET_SCHEDULER_add_now (&destroy_continuation, connection);
}
static void
receive_ready (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
{
- struct GNUNET_CONNECTION_Handle *sh = cls;
+ struct GNUNET_CONNECTION_Handle *connection = cls;
struct GNUNET_TIME_Absolute now;
- char buffer[sh->max];
+ char buffer[connection->max];
ssize_t ret;
GNUNET_CONNECTION_Receiver receiver;
- sh->read_task = GNUNET_SCHEDULER_NO_TASK;
- if ((GNUNET_YES == sh->ignore_shutdown) &&
+ connection->read_task = GNUNET_SCHEDULER_NO_TASK;
+ if ((GNUNET_YES == connection->ignore_shutdown) &&
(0 != (tc->reason & GNUNET_SCHEDULER_REASON_SHUTDOWN)))
{
/* ignore shutdown request, go again immediately */
LOG (GNUNET_ERROR_TYPE_DEBUG,
"Ignoring shutdown signal per configuration\n");
- sh->read_task =
+ connection->read_task =
GNUNET_SCHEDULER_add_read_net (GNUNET_TIME_absolute_get_remaining
- (sh->receive_timeout), sh->sock,
- &receive_ready, sh);
+ (connection->receive_timeout), connection->sock,
+ &receive_ready, connection);
return;
}
now = GNUNET_TIME_absolute_get ();
- if ((now.abs_value > sh->receive_timeout.abs_value) ||
+ if ((now.abs_value > connection->receive_timeout.abs_value) ||
(0 != (tc->reason & GNUNET_SCHEDULER_REASON_TIMEOUT)) ||
(0 != (tc->reason & GNUNET_SCHEDULER_REASON_SHUTDOWN)))
{
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);
- signal_timeout (sh);
+ GNUNET_a2s (connection->addr, connection->addrlen),
+ GNUNET_TIME_absolute_get_duration (connection->receive_timeout).rel_value,
+ connection);
+ signal_timeout (connection);
return;
}
- if (sh->sock == NULL)
+ if (connection->sock == NULL)
{
/* connect failed for good */
LOG (GNUNET_ERROR_TYPE_DEBUG,
- "Receive encounters error, socket closed... (%p)\n", sh);
- signal_error (sh, ECONNREFUSED);
+ "Receive encounters error, connection closed... (%p)\n", connection);
+ signal_error (connection, ECONNREFUSED);
return;
}
- GNUNET_assert (GNUNET_NETWORK_fdset_isset (tc->read_ready, sh->sock));
+ GNUNET_assert (GNUNET_NETWORK_fdset_isset (tc->read_ready, connection->sock));
RETRY:
- ret = GNUNET_NETWORK_socket_recv (sh->sock, buffer, sh->max);
+ ret = GNUNET_NETWORK_socket_recv (connection->sock, buffer, connection->max);
if (ret == -1)
{
if (errno == EINTR)
goto RETRY;
LOG (GNUNET_ERROR_TYPE_DEBUG, "Error receiving: %s\n", STRERROR (errno));
- signal_error (sh, errno);
+ signal_error (connection, errno);
return;
}
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);
- GNUNET_assert (NULL != (receiver = sh->receiver));
- sh->receiver = NULL;
- receiver (sh->receiver_cls, buffer, ret, sh->addr, sh->addrlen, 0);
+ connection->max, GNUNET_a2s (connection->addr, connection->addrlen), connection);
+ GNUNET_assert (NULL != (receiver = connection->receiver));
+ connection->receiver = NULL;
+ receiver (connection->receiver_cls, buffer, ret, connection->addr, connection->addrlen, 0);
}
static void
receive_again (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
{
- struct GNUNET_CONNECTION_Handle *sh = cls;
+ struct GNUNET_CONNECTION_Handle *connection = cls;
struct GNUNET_TIME_Absolute now;
- sh->read_task = GNUNET_SCHEDULER_NO_TASK;
- if (sh->sock == NULL)
+ connection->read_task = GNUNET_SCHEDULER_NO_TASK;
+ if (connection->sock == NULL)
{
/* not connected and no longer trying */
LOG (GNUNET_ERROR_TYPE_DEBUG,
- "Receive encounters error, socket closed (%p)...\n", sh);
- signal_error (sh, ECONNREFUSED);
+ "Receive encounters error, connection closed (%p)...\n", connection);
+ signal_error (connection, ECONNREFUSED);
return;
}
now = GNUNET_TIME_absolute_get ();
- if ((now.abs_value > sh->receive_timeout.abs_value) ||
+ if ((now.abs_value > connection->receive_timeout.abs_value) ||
(0 != (tc->reason & GNUNET_SCHEDULER_REASON_SHUTDOWN)))
{
LOG (GNUNET_ERROR_TYPE_DEBUG,
- "Receive encounters error: time out (%p)...\n", sh);
- signal_timeout (sh);
+ "Receive encounters error: time out (%p)...\n", connection);
+ signal_timeout (connection);
return;
}
- GNUNET_assert (sh->sock != NULL);
+ GNUNET_assert (connection->sock != NULL);
/* connect succeeded, wait for data! */
- sh->read_task =
+ connection->read_task =
GNUNET_SCHEDULER_add_read_net (GNUNET_TIME_absolute_get_remaining
- (sh->receive_timeout), sh->sock,
- &receive_ready, sh);
+ (connection->receive_timeout), connection->sock,
+ &receive_ready, connection);
}
/**
- * Receive data from the given socket. Note that this function will
+ * Receive data from the given connection. Note that this function will
* call "receiver" asynchronously using the scheduler. It will
* "immediately" return. Note that there MUST only be one active
- * receive call per socket at any given point in time (so do not
+ * receive call per connection at any given point in time (so do not
* call receive again until the receiver callback has been invoked).
*
- * @param sock socket handle
+ * @param connection connection handle
* @param max maximum number of bytes to read
* @param timeout maximum amount of time to wait (use -1 for "forever")
* @param receiver function to call with received data
* @param receiver_cls closure for receiver
*/
void
-GNUNET_CONNECTION_receive (struct GNUNET_CONNECTION_Handle *sock, size_t max,
+GNUNET_CONNECTION_receive (struct GNUNET_CONNECTION_Handle *connection, size_t max,
struct GNUNET_TIME_Relative timeout,
GNUNET_CONNECTION_Receiver receiver,
void *receiver_cls)
{
struct GNUNET_SCHEDULER_TaskContext tc;
- GNUNET_assert ((sock->read_task == GNUNET_SCHEDULER_NO_TASK) &&
- (0 == (sock->ccs & COCO_RECEIVE_AGAIN)) &&
- (sock->receiver == NULL));
- sock->receiver = receiver;
- sock->receiver_cls = receiver_cls;
- sock->receive_timeout = GNUNET_TIME_relative_to_absolute (timeout);
- sock->max = max;
- if (sock->sock != NULL)
+ GNUNET_assert ((connection->read_task == GNUNET_SCHEDULER_NO_TASK) &&
+ (0 == (connection->ccs & COCO_RECEIVE_AGAIN)) &&
+ (connection->receiver == NULL));
+ connection->receiver = receiver;
+ connection->receiver_cls = receiver_cls;
+ connection->receive_timeout = GNUNET_TIME_relative_to_absolute (timeout);
+ connection->max = max;
+ if (connection->sock != NULL)
{
memset (&tc, 0, sizeof (tc));
tc.reason = GNUNET_SCHEDULER_REASON_PREREQ_DONE;
- receive_again (sock, &tc);
+ receive_again (connection, &tc);
return;
}
- if ((sock->dns_active == NULL) && (sock->ap_head == NULL))
+ if ((connection->dns_active == NULL) && (connection->ap_head == NULL))
{
receiver (receiver_cls, NULL, 0, NULL, 0, ETIMEDOUT);
return;
}
- sock->ccs += COCO_RECEIVE_AGAIN;
+ connection->ccs += COCO_RECEIVE_AGAIN;
}
/**
* Configure this connection to ignore shutdown signals.
*
- * @param sock socket handle
+ * @param connection connection handle
* @param do_ignore GNUNET_YES to ignore, GNUNET_NO to restore default
*/
void
-GNUNET_CONNECTION_ignore_shutdown (struct GNUNET_CONNECTION_Handle *sock,
+GNUNET_CONNECTION_ignore_shutdown (struct GNUNET_CONNECTION_Handle *connection,
int do_ignore)
{
- sock->ignore_shutdown = do_ignore;
+ connection->ignore_shutdown = do_ignore;
}
/**
- * Cancel receive job on the given socket. Note that the
+ * Cancel receive job on the given connection. Note that the
* receiver callback must not have been called yet in order
* for the cancellation to be valid.
*
- * @param sock socket handle
+ * @param connection connection handle
* @return closure of the original receiver callback closure
*/
void *
-GNUNET_CONNECTION_receive_cancel (struct GNUNET_CONNECTION_Handle *sock)
+GNUNET_CONNECTION_receive_cancel (struct GNUNET_CONNECTION_Handle *connection)
{
- if (sock->read_task != GNUNET_SCHEDULER_NO_TASK)
+ if (connection->read_task != GNUNET_SCHEDULER_NO_TASK)
{
- GNUNET_assert (sock == GNUNET_SCHEDULER_cancel (sock->read_task));
- sock->read_task = GNUNET_SCHEDULER_NO_TASK;
+ GNUNET_assert (connection == GNUNET_SCHEDULER_cancel (connection->read_task));
+ connection->read_task = GNUNET_SCHEDULER_NO_TASK;
}
else
{
- GNUNET_assert (0 != (sock->ccs & COCO_RECEIVE_AGAIN));
- sock->ccs -= COCO_RECEIVE_AGAIN;
+ GNUNET_assert (0 != (connection->ccs & COCO_RECEIVE_AGAIN));
+ connection->ccs -= COCO_RECEIVE_AGAIN;
}
- sock->receiver = NULL;
- return sock->receiver_cls;
+ connection->receiver = NULL;
+ return connection->receiver_cls;
}
* Try to call the transmit notify method (check if we do
* have enough space available first)!
*
- * @param sock socket for which we should do this processing
+ * @param connection connection for which we should do this processing
* @return GNUNET_YES if we were able to call notify
*/
static int
-process_notify (struct GNUNET_CONNECTION_Handle *sock)
+process_notify (struct GNUNET_CONNECTION_Handle *connection)
{
size_t used;
size_t avail;
size_t size;
GNUNET_CONNECTION_TransmitReadyNotify notify;
- GNUNET_assert (sock->write_task == GNUNET_SCHEDULER_NO_TASK);
- if (NULL == (notify = sock->nth.notify_ready))
+ GNUNET_assert (connection->write_task == GNUNET_SCHEDULER_NO_TASK);
+ if (NULL == (notify = connection->nth.notify_ready))
return GNUNET_NO;
- used = sock->write_buffer_off - sock->write_buffer_pos;
- avail = sock->write_buffer_size - used;
- size = sock->nth.notify_size;
+ used = connection->write_buffer_off - connection->write_buffer_pos;
+ avail = connection->write_buffer_size - used;
+ size = connection->nth.notify_size;
if (size > avail)
return GNUNET_NO;
- sock->nth.notify_ready = NULL;
- if (sock->write_buffer_size - sock->write_buffer_off < size)
+ connection->nth.notify_ready = NULL;
+ if (connection->write_buffer_size - connection->write_buffer_off < size)
{
/* need to compact */
- memmove (sock->write_buffer, &sock->write_buffer[sock->write_buffer_pos],
+ memmove (connection->write_buffer, &connection->write_buffer[connection->write_buffer_pos],
used);
- sock->write_buffer_off -= sock->write_buffer_pos;
- sock->write_buffer_pos = 0;
+ connection->write_buffer_off -= connection->write_buffer_pos;
+ connection->write_buffer_pos = 0;
}
- avail = sock->write_buffer_size - sock->write_buffer_off;
+ avail = connection->write_buffer_size - connection->write_buffer_off;
GNUNET_assert (avail >= size);
size =
- notify (sock->nth.notify_ready_cls, avail,
- &sock->write_buffer[sock->write_buffer_off]);
+ notify (connection->nth.notify_ready_cls, avail,
+ &connection->write_buffer[connection->write_buffer_off]);
GNUNET_assert (size <= avail);
- sock->write_buffer_off += size;
+ connection->write_buffer_off += size;
return GNUNET_YES;
}
static void
transmit_timeout (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
{
- struct GNUNET_CONNECTION_Handle *sock = cls;
+ struct GNUNET_CONNECTION_Handle *connection = cls;
GNUNET_CONNECTION_TransmitReadyNotify notify;
- sock->nth.timeout_task = GNUNET_SCHEDULER_NO_TASK;
+ connection->nth.timeout_task = GNUNET_SCHEDULER_NO_TASK;
LOG (GNUNET_ERROR_TYPE_DEBUG,
"Transmit to `%s:%u/%s' fails, time out reached (%p).\n",
- sock->hostname,
- sock->port, GNUNET_a2s (sock->addr, sock->addrlen), sock);
- GNUNET_assert (0 != (sock->ccs & COCO_TRANSMIT_READY));
- sock->ccs -= COCO_TRANSMIT_READY; /* remove request */
- notify = sock->nth.notify_ready;
- sock->nth.notify_ready = NULL;
- notify (sock->nth.notify_ready_cls, 0, NULL);
+ connection->hostname,
+ connection->port, GNUNET_a2s (connection->addr, connection->addrlen), connection);
+ GNUNET_assert (0 != (connection->ccs & COCO_TRANSMIT_READY));
+ connection->ccs -= COCO_TRANSMIT_READY; /* remove request */
+ notify = connection->nth.notify_ready;
+ connection->nth.notify_ready = NULL;
+ notify (connection->nth.notify_ready_cls, 0, NULL);
}
static void
connect_error (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
{
- struct GNUNET_CONNECTION_Handle *sock = cls;
+ struct GNUNET_CONNECTION_Handle *connection = cls;
GNUNET_CONNECTION_TransmitReadyNotify notify;
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);
- sock->write_task = GNUNET_SCHEDULER_NO_TASK;
- notify = sock->nth.notify_ready;
- sock->nth.notify_ready = NULL;
- notify (sock->nth.notify_ready_cls, 0, NULL);
+ connection->nth.notify_size, connection->hostname, connection->port, connection);
+ connection->write_task = GNUNET_SCHEDULER_NO_TASK;
+ notify = connection->nth.notify_ready;
+ connection->nth.notify_ready = NULL;
+ notify (connection->nth.notify_ready_cls, 0, NULL);
}
/**
* FIXME
*
- * @param sock FIXME
+ * @param connection FIXME
*/
static void
-transmit_error (struct GNUNET_CONNECTION_Handle *sock)
+transmit_error (struct GNUNET_CONNECTION_Handle *connection)
{
GNUNET_CONNECTION_TransmitReadyNotify notify;
- if (NULL != sock->sock)
+ if (NULL != connection->sock)
{
- 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);
+ GNUNET_NETWORK_socket_shutdown (connection->sock, SHUT_RDWR);
+ GNUNET_break (GNUNET_OK == GNUNET_NETWORK_socket_close (connection->sock));
+ connection->sock = NULL;
+ GNUNET_assert (GNUNET_SCHEDULER_NO_TASK == connection->write_task);
}
- if (sock->read_task != GNUNET_SCHEDULER_NO_TASK)
+ if (connection->read_task != GNUNET_SCHEDULER_NO_TASK)
{
- GNUNET_SCHEDULER_cancel (sock->read_task);
- sock->read_task = GNUNET_SCHEDULER_NO_TASK;
- signal_timeout (sock);
+ GNUNET_SCHEDULER_cancel (connection->read_task);
+ connection->read_task = GNUNET_SCHEDULER_NO_TASK;
+ signal_timeout (connection);
return;
}
- if (sock->nth.notify_ready == NULL)
+ if (connection->nth.notify_ready == NULL)
return; /* nobody to tell about it */
- notify = sock->nth.notify_ready;
- sock->nth.notify_ready = NULL;
- notify (sock->nth.notify_ready_cls, 0, NULL);
+ notify = connection->nth.notify_ready;
+ connection->nth.notify_ready = NULL;
+ notify (connection->nth.notify_ready_cls, 0, NULL);
}
static void
transmit_ready (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
{
- struct GNUNET_CONNECTION_Handle *sock = cls;
+ struct GNUNET_CONNECTION_Handle *connection = cls;
GNUNET_CONNECTION_TransmitReadyNotify notify;
ssize_t ret;
size_t have;
- LOG (GNUNET_ERROR_TYPE_DEBUG, "transmit_ready running (%p).\n", sock);
- 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);
+ LOG (GNUNET_ERROR_TYPE_DEBUG, "transmit_ready running (%p).\n", connection);
+ GNUNET_assert (connection->write_task != GNUNET_SCHEDULER_NO_TASK);
+ connection->write_task = GNUNET_SCHEDULER_NO_TASK;
+ GNUNET_assert (connection->nth.timeout_task == GNUNET_SCHEDULER_NO_TASK);
if (0 != (tc->reason & GNUNET_SCHEDULER_REASON_SHUTDOWN))
{
- if ((sock->ignore_shutdown == GNUNET_YES) && (NULL != sock->sock))
+ if ((connection->ignore_shutdown == GNUNET_YES) && (NULL != connection->sock))
goto SCHEDULE_WRITE; /* ignore shutdown, go again immediately */
LOG (GNUNET_ERROR_TYPE_DEBUG,
"Transmit to `%s' fails, shutdown happened (%p).\n",
- GNUNET_a2s (sock->addr, sock->addrlen), sock);
- notify = sock->nth.notify_ready;
+ GNUNET_a2s (connection->addr, connection->addrlen), connection);
+ notify = connection->nth.notify_ready;
if (NULL != notify)
{
- sock->nth.notify_ready = NULL;
- notify (sock->nth.notify_ready_cls, 0, NULL);
+ connection->nth.notify_ready = NULL;
+ notify (connection->nth.notify_ready_cls, 0, NULL);
}
return;
}
{
LOG (GNUNET_ERROR_TYPE_DEBUG,
"Transmit to `%s' fails, time out reached (%p).\n",
- GNUNET_a2s (sock->addr, sock->addrlen), sock);
- notify = sock->nth.notify_ready;
+ GNUNET_a2s (connection->addr, connection->addrlen), connection);
+ notify = connection->nth.notify_ready;
GNUNET_assert (NULL != notify);
- sock->nth.notify_ready = NULL;
- notify (sock->nth.notify_ready_cls, 0, NULL);
+ connection->nth.notify_ready = NULL;
+ notify (connection->nth.notify_ready_cls, 0, NULL);
return;
}
- GNUNET_assert (NULL != sock->sock);
+ GNUNET_assert (NULL != connection->sock);
if (tc->write_ready == NULL)
{
/* special circumstances (in particular,
* but no "fatal" error either. Hence retry. */
goto SCHEDULE_WRITE;
}
- if (!GNUNET_NETWORK_fdset_isset (tc->write_ready, sock->sock))
+ if (!GNUNET_NETWORK_fdset_isset (tc->write_ready, connection->sock))
{
LOG (GNUNET_ERROR_TYPE_INFO,
_
("Could not satisfy pending transmission request, socket closed or connect failed (%p).\n"),
- sock);
- GNUNET_assert (GNUNET_SCHEDULER_NO_TASK == sock->write_task);
- transmit_error (sock);
+ connection);
+ GNUNET_assert (GNUNET_SCHEDULER_NO_TASK == connection->write_task);
+ transmit_error (connection);
return; /* connect failed for good, we're finished */
}
- GNUNET_assert (sock->write_buffer_off >= sock->write_buffer_pos);
- if ((sock->nth.notify_ready != NULL) &&
- (sock->write_buffer_size < sock->nth.notify_size))
+ GNUNET_assert (connection->write_buffer_off >= connection->write_buffer_pos);
+ if ((connection->nth.notify_ready != NULL) &&
+ (connection->write_buffer_size < connection->nth.notify_size))
{
- sock->write_buffer =
- GNUNET_realloc (sock->write_buffer, sock->nth.notify_size);
- sock->write_buffer_size = sock->nth.notify_size;
+ connection->write_buffer =
+ GNUNET_realloc (connection->write_buffer, connection->nth.notify_size);
+ connection->write_buffer_size = connection->nth.notify_size;
}
- process_notify (sock);
- have = sock->write_buffer_off - sock->write_buffer_pos;
+ process_notify (connection);
+ have = connection->write_buffer_off - connection->write_buffer_pos;
if (have == 0)
{
/* no data ready for writing, terminate write loop */
return;
}
- GNUNET_assert (have <= sock->write_buffer_size);
- GNUNET_assert (have + sock->write_buffer_pos <= sock->write_buffer_size);
- GNUNET_assert (sock->write_buffer_pos <= sock->write_buffer_size);
+ GNUNET_assert (have <= connection->write_buffer_size);
+ GNUNET_assert (have + connection->write_buffer_pos <= connection->write_buffer_size);
+ GNUNET_assert (connection->write_buffer_pos <= connection->write_buffer_size);
RETRY:
ret =
- GNUNET_NETWORK_socket_send (sock->sock,
- &sock->write_buffer[sock->write_buffer_pos],
- have);
+ GNUNET_NETWORK_socket_send (connection->sock,
+ &connection->write_buffer[connection->write_buffer_pos],
+ have);
if (ret == -1)
{
if (errno == EINTR)
goto RETRY;
LOG_STRERROR (GNUNET_ERROR_TYPE_DEBUG, "send");
- if (GNUNET_SCHEDULER_NO_TASK != sock->write_task)
+ if (GNUNET_SCHEDULER_NO_TASK != connection->write_task)
{
- GNUNET_SCHEDULER_cancel (sock->write_task);
- sock->write_task = GNUNET_SCHEDULER_NO_TASK;
+ GNUNET_SCHEDULER_cancel (connection->write_task);
+ connection->write_task = GNUNET_SCHEDULER_NO_TASK;
}
- transmit_error (sock);
+ transmit_error (connection);
return;
}
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);
- sock->write_buffer_pos += ret;
- if (sock->write_buffer_pos == sock->write_buffer_off)
+ (unsigned int) ret, have, GNUNET_a2s (connection->addr, connection->addrlen), connection);
+ connection->write_buffer_pos += ret;
+ if (connection->write_buffer_pos == connection->write_buffer_off)
{
/* transmitted all pending data */
- sock->write_buffer_pos = 0;
- sock->write_buffer_off = 0;
+ connection->write_buffer_pos = 0;
+ connection->write_buffer_off = 0;
}
- if ((sock->write_buffer_off == 0) && (NULL == sock->nth.notify_ready))
+ if ((connection->write_buffer_off == 0) && (NULL == connection->nth.notify_ready))
return; /* all data sent! */
/* not done writing, schedule more */
SCHEDULE_WRITE:
LOG (GNUNET_ERROR_TYPE_DEBUG,
- "Re-scheduling transmit_ready (more to do) (%p).\n", sock);
- 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)
- sock->write_task =
- GNUNET_SCHEDULER_add_write_net ((sock->nth.notify_ready ==
+ "Re-scheduling transmit_ready (more to do) (%p).\n", connection);
+ have = connection->write_buffer_off - connection->write_buffer_pos;
+ GNUNET_assert ((connection->nth.notify_ready != NULL) || (have > 0));
+ if (connection->write_task == GNUNET_SCHEDULER_NO_TASK)
+ connection->write_task =
+ GNUNET_SCHEDULER_add_write_net ((connection->nth.notify_ready ==
NULL) ? GNUNET_TIME_UNIT_FOREVER_REL :
GNUNET_TIME_absolute_get_remaining
- (sock->nth.transmit_timeout),
- sock->sock, &transmit_ready, sock);
+ (connection->nth.transmit_timeout),
+ connection->sock, &transmit_ready, connection);
}
/**
- * Ask the socket to call us once the specified number of bytes
+ * Ask the connection to call us once the specified number of bytes
* are free in the transmission buffer. May call the notify
* method immediately if enough space is available.
*
- * @param sock socket
+ * @param connection connection
* @param size number of bytes to send
* @param timeout after how long should we give up (and call
* notify with buf NULL and size 0)?
* NULL if we are already going to notify someone else (busy)
*/
struct GNUNET_CONNECTION_TransmitHandle *
-GNUNET_CONNECTION_notify_transmit_ready (struct GNUNET_CONNECTION_Handle *sock,
+GNUNET_CONNECTION_notify_transmit_ready (struct GNUNET_CONNECTION_Handle *connection,
size_t size,
struct GNUNET_TIME_Relative timeout,
GNUNET_CONNECTION_TransmitReadyNotify
notify, void *notify_cls)
{
- if (sock->nth.notify_ready != NULL)
+ if (connection->nth.notify_ready != NULL)
{
GNUNET_assert (0);
return NULL;
}
GNUNET_assert (notify != NULL);
GNUNET_assert (size < GNUNET_SERVER_MAX_MESSAGE_SIZE);
- GNUNET_assert (sock->write_buffer_off <= sock->write_buffer_size);
- GNUNET_assert (sock->write_buffer_pos <= sock->write_buffer_size);
- GNUNET_assert (sock->write_buffer_pos <= sock->write_buffer_off);
- sock->nth.notify_ready = notify;
- sock->nth.notify_ready_cls = notify_cls;
- sock->nth.sh = sock;
- sock->nth.notify_size = size;
- sock->nth.transmit_timeout = GNUNET_TIME_relative_to_absolute (timeout);
- GNUNET_assert (GNUNET_SCHEDULER_NO_TASK == sock->nth.timeout_task);
- if ((sock->sock == NULL) && (sock->ap_head == NULL) &&
- (sock->dns_active == NULL))
+ GNUNET_assert (connection->write_buffer_off <= connection->write_buffer_size);
+ GNUNET_assert (connection->write_buffer_pos <= connection->write_buffer_size);
+ GNUNET_assert (connection->write_buffer_pos <= connection->write_buffer_off);
+ connection->nth.notify_ready = notify;
+ connection->nth.notify_ready_cls = notify_cls;
+ connection->nth.connection = connection;
+ connection->nth.notify_size = size;
+ connection->nth.transmit_timeout = GNUNET_TIME_relative_to_absolute (timeout);
+ GNUNET_assert (GNUNET_SCHEDULER_NO_TASK == connection->nth.timeout_task);
+ if ((connection->sock == NULL) && (connection->ap_head == NULL) &&
+ (connection->dns_active == NULL))
{
- if (sock->write_task != GNUNET_SCHEDULER_NO_TASK)
- GNUNET_SCHEDULER_cancel (sock->write_task);
- sock->write_task = GNUNET_SCHEDULER_add_now (&connect_error, sock);
- return &sock->nth;
+ if (connection->write_task != GNUNET_SCHEDULER_NO_TASK)
+ GNUNET_SCHEDULER_cancel (connection->write_task);
+ connection->write_task = GNUNET_SCHEDULER_add_now (&connect_error, connection);
+ return &connection->nth;
}
- if (GNUNET_SCHEDULER_NO_TASK != sock->write_task)
- return &sock->nth;
- if (sock->sock != NULL)
+ if (GNUNET_SCHEDULER_NO_TASK != connection->write_task)
+ return &connection->nth;
+ if (connection->sock != NULL)
{
- LOG (GNUNET_ERROR_TYPE_DEBUG, "Scheduling transmit_ready (%p).\n", sock);
- sock->write_task =
+ LOG (GNUNET_ERROR_TYPE_DEBUG, "Scheduling transmit_ready (%p).\n", connection);
+ connection->write_task =
GNUNET_SCHEDULER_add_write_net (GNUNET_TIME_absolute_get_remaining
- (sock->nth.transmit_timeout),
- sock->sock, &transmit_ready, sock);
+ (connection->nth.transmit_timeout),
+ connection->sock, &transmit_ready, connection);
}
else
{
LOG (GNUNET_ERROR_TYPE_DEBUG,
- "CCS-Scheduling transmit_ready, adding timeout task (%p).\n", sock);
- sock->ccs |= COCO_TRANSMIT_READY;
- sock->nth.timeout_task =
- GNUNET_SCHEDULER_add_delayed (timeout, &transmit_timeout, sock);
+ "CCS-Scheduling transmit_ready, adding timeout task (%p).\n", connection);
+ connection->ccs |= COCO_TRANSMIT_READY;
+ connection->nth.timeout_task =
+ GNUNET_SCHEDULER_add_delayed (timeout, &transmit_timeout, connection);
}
- return &sock->nth;
+ return &connection->nth;
}
*th)
{
GNUNET_assert (th->notify_ready != NULL);
- if (0 != (th->sh->ccs & COCO_TRANSMIT_READY))
+ if (0 != (th->connection->ccs & COCO_TRANSMIT_READY))
{
LOG (GNUNET_ERROR_TYPE_DEBUG,
"notify_transmit_ready_cancel cancels timeout_task (%p)\n", th);
GNUNET_SCHEDULER_cancel (th->timeout_task);
th->timeout_task = GNUNET_SCHEDULER_NO_TASK;
- th->sh->ccs -= COCO_TRANSMIT_READY;
+ th->connection->ccs -= COCO_TRANSMIT_READY;
}
else
{
- if (th->sh->write_task != GNUNET_SCHEDULER_NO_TASK)
+ if (th->connection->write_task != GNUNET_SCHEDULER_NO_TASK)
{
- GNUNET_SCHEDULER_cancel (th->sh->write_task);
- th->sh->write_task = GNUNET_SCHEDULER_NO_TASK;
+ GNUNET_SCHEDULER_cancel (th->connection->write_task);
+ th->connection->write_task = GNUNET_SCHEDULER_NO_TASK;
}
}
th->notify_ready = NULL;
projects / oweals / gnunet.git / commitdiff