/*
This file is part of GNUnet
- (C) 2002-2014 Christian Grothoff (and other contributing authors)
+ Copyright (C) 2002-2014 Christian Grothoff (and other contributing authors)
GNUnet is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published
You should have received a copy of the GNU General Public License
along with GNUnet; see the file COPYING. If not, write to the
- Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA.
+ Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ Boston, MA 02110-1301, USA.
*/
/**
* @brief HTTP/S server transport plugin
* @author Matthias Wachs
* @author David Barksdale
+ * @author Christian Grothoff
*/
#include "platform.h"
#include "gnunet_util_lib.h"
/**
* Information we keep with MHD for an HTTP request.
*/
-struct ServerConnection
+struct ServerRequest
{
/**
- * The session this server connection belongs to
+ * The session this server request belongs to
+ * Can be NULL, when session was disconnected and freed
*/
- struct Session *session;
+ struct GNUNET_ATS_Session *session;
/**
* The MHD connection
int direction;
/**
- * For PUT connections: Is this the first or last callback with size 0
- * For GET connections: Have we sent a message
+ * For PUT requests: Is this the first or last callback with size 0
+ * For GET requests: Have we sent a message
*/
int connected;
/**
* Session handle for connections.
*/
-struct Session
+struct GNUNET_ATS_Session
{
/**
/**
* Client recv handle
*/
- struct ServerConnection *server_recv;
+ struct ServerRequest *server_recv;
/**
* Client send handle
*/
- struct ServerConnection *server_send;
+ struct ServerRequest *server_send;
/**
* Address
*/
struct GNUNET_TIME_Absolute next_receive;
+ /**
+ * Absolute time when this connection will time out.
+ */
+ struct GNUNET_TIME_Absolute timeout;
+
/**
* Session timeout task
*/
- GNUNET_SCHEDULER_TaskIdentifier timeout_task;
+ struct GNUNET_SCHEDULER_Task * timeout_task;
+
+ /**
+ * Task to resume MHD handling when receiving is allowed again
+ */
+ struct GNUNET_SCHEDULER_Task * recv_wakeup_task;
+
+ /**
+ * Number of bytes waiting for transmission to this peer.
+ */
+ unsigned long long bytes_in_queue;
+
+ /**
+ * Number of messages waiting for transmission to this peer.
+ */
+ unsigned int msgs_in_queue;
/**
* Unique HTTP/S connection tag for this connection
uint32_t tag;
/**
- * ATS network type in NBO
+ * ATS network type.
*/
- uint32_t ats_address_network_type;
+ enum GNUNET_ATS_Network_Type scope;
/**
* #GNUNET_YES if this session is known to the service.
* NAT handle & address management
*/
struct GNUNET_NAT_Handle *nat;
+
/**
* IPv4 addresses DLL head
*/
/**
* MHD IPv4 task
*/
- GNUNET_SCHEDULER_TaskIdentifier server_v4_task;
+ struct GNUNET_SCHEDULER_Task * server_v4_task;
/**
* MHD IPv6 task
*/
- GNUNET_SCHEDULER_TaskIdentifier server_v6_task;
+ struct GNUNET_SCHEDULER_Task * server_v6_task;
/**
* Task calling transport service about external address
*/
- GNUNET_SCHEDULER_TaskIdentifier notify_ext_task;
+ struct GNUNET_SCHEDULER_Task * notify_ext_task;
/**
* Notify transport only about external address
/**
* Maximum number of sockets the plugin can use
- * Each http inbound /outbound connections are two connections
+ * Each http request /request connections are two connections
*/
- unsigned int max_connections;
+ unsigned int max_request;
/**
* Current number of sockets the plugin can use
- * Each http inbound /outbound connections are two connections
+ * Each http connection are two requests
*/
- unsigned int cur_connections;
+ unsigned int cur_request;
/**
* Did we immediately end the session in disconnect_cb
*/
static void
notify_session_monitor (struct HTTP_Server_Plugin *plugin,
- struct Session *session,
+ struct GNUNET_ATS_Session *session,
enum GNUNET_TRANSPORT_SessionState state)
{
struct GNUNET_TRANSPORT_SessionInfo info;
memset (&info, 0, sizeof (info));
info.state = state;
info.is_inbound = GNUNET_YES;
- // info.num_msg_pending = session->msgs_in_queue; // FIXME
- // info.num_bytes_pending = session->bytes_in_queue; // FIXME
- // info.receive_delay = session->next_receive; // FIXME
- // info.session_timeout = session->timeout; // FIXME
+ info.num_msg_pending = session->msgs_in_queue;
+ info.num_bytes_pending = session->bytes_in_queue;
+ info.receive_delay = session->next_receive;
+ info.session_timeout = session->timeout;
info.address = session->address;
plugin->sic (plugin->sic_cls,
session,
}
+/**
+ * Wake up an MHD connection which was suspended
+ *
+ * @param cls the session
+ * @param tc task context
+ */
+static void
+server_wake_up (void *cls,
+ const struct GNUNET_SCHEDULER_TaskContext *tc)
+{
+ struct GNUNET_ATS_Session *s = cls;
+
+ s->recv_wakeup_task = NULL;
+ if (0 != (tc->reason & GNUNET_SCHEDULER_REASON_SHUTDOWN))
+ return;
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ "Session %p: Waking up PUT handle\n",
+ s);
+ MHD_resume_connection (s->server_recv->mhd_conn);
+}
+
+
/**
* Reschedule the execution of both IPv4 and IPv6 server.
*
* @param s the session to delete
*/
static void
-server_delete_session (struct Session *s)
+server_delete_session (struct GNUNET_ATS_Session *s)
{
struct HTTP_Server_Plugin *plugin = s->plugin;
struct HTTP_Message *msg;
- struct HTTP_Message *tmp;
- struct ServerConnection *send;
- struct ServerConnection *recv;
- if (GNUNET_SCHEDULER_NO_TASK != s->timeout_task)
+ if (NULL != s->timeout_task)
{
GNUNET_SCHEDULER_cancel (s->timeout_task);
- s->timeout_task = GNUNET_SCHEDULER_NO_TASK;
+ s->timeout_task = NULL;
+ s->timeout = GNUNET_TIME_UNIT_ZERO_ABS;
+ }
+ if (NULL != s->recv_wakeup_task)
+ {
+ GNUNET_SCHEDULER_cancel (s->recv_wakeup_task);
+ s->recv_wakeup_task = NULL;
+ if (NULL != s->server_recv)
+ MHD_resume_connection (s->server_recv->mhd_conn);
}
GNUNET_assert (GNUNET_OK ==
GNUNET_CONTAINER_multipeermap_remove (plugin->sessions,
&s->target,
s));
- msg = s->msg_head;
- while (NULL != msg)
+ while (NULL != (msg = s->msg_head))
{
- tmp = msg->next;
GNUNET_CONTAINER_DLL_remove (s->msg_head,
s->msg_tail,
msg);
GNUNET_SYSERR,
msg->size,
msg->pos + msg->overhead);
+ GNUNET_assert (s->msgs_in_queue > 0);
+ s->msgs_in_queue--;
+ GNUNET_assert (s->bytes_in_queue >= msg->size);
+ s->bytes_in_queue -= msg->size;
GNUNET_free (msg);
- msg = tmp;
}
- send = s->server_send;
- if (NULL != send)
+
+ GNUNET_assert (0 == s->msgs_in_queue);
+ GNUNET_assert (0 == s->bytes_in_queue);
+
+ if (NULL != s->server_send)
{
LOG (GNUNET_ERROR_TYPE_DEBUG,
"Server: %p / %p Terminating inbound PUT session to peer `%s'\n",
- s, send,
+ s, s->server_send,
GNUNET_i2s (&s->target));
- send->session = NULL;
- MHD_set_connection_option (send->mhd_conn,
+ s->server_send->session = NULL;
+ MHD_set_connection_option (s->server_send->mhd_conn,
MHD_CONNECTION_OPTION_TIMEOUT,
1 /* 0 = no timeout, so this is MIN */);
- server_reschedule (plugin,
- send->mhd_daemon,
- GNUNET_YES);
+ server_reschedule (plugin, s->server_send->mhd_daemon, GNUNET_YES);
}
- recv = s->server_recv;
- if (NULL != recv)
+
+ if (NULL != s->server_recv)
{
LOG (GNUNET_ERROR_TYPE_DEBUG,
"Server: %p / %p Terminating inbound GET session to peer `%s'\n",
- s, recv, GNUNET_i2s (&s->target));
- recv->session = NULL;
- MHD_set_connection_option (recv->mhd_conn,
+ s, s->server_recv, GNUNET_i2s (&s->target));
+ s->server_recv->session = NULL;
+ MHD_set_connection_option (s->server_recv->mhd_conn,
MHD_CONNECTION_OPTION_TIMEOUT,
1 /* 0 = no timeout, so this is MIN */);
- server_reschedule (plugin,
- recv->mhd_daemon,
- GNUNET_YES);
+ server_reschedule (plugin, s->server_recv->mhd_daemon, GNUNET_YES);
}
+ notify_session_monitor (plugin,
+ s,
+ GNUNET_TRANSPORT_SS_DONE);
if (GNUNET_YES == s->known_to_service)
+ {
plugin->env->session_end (plugin->env->cls,
s->address,
s);
+ s->known_to_service = GNUNET_NO;
+ }
if (NULL != s->msg_tk)
{
GNUNET_SERVER_mst_destroy (s->msg_tk);
LOG (GNUNET_ERROR_TYPE_DEBUG,
"Session %p destroyed\n",
s);
+
GNUNET_free (s);
}
*/
static int
http_server_plugin_disconnect_session (void *cls,
- struct Session *s)
+ struct GNUNET_ATS_Session *s)
{
server_delete_session (s);
return GNUNET_OK;
server_session_timeout (void *cls,
const struct GNUNET_SCHEDULER_TaskContext *tc)
{
- struct Session *s = cls;
-
- s->timeout_task = GNUNET_SCHEDULER_NO_TASK;
+ struct GNUNET_ATS_Session *s = cls;
+ struct GNUNET_TIME_Relative left;
+
+ s->timeout_task = NULL;
+ left = GNUNET_TIME_absolute_get_remaining (s->timeout);
+ if (0 != left.rel_value_us)
+ {
+ /* not actually our turn yet, but let's at least update
+ the monitor, it may think we're about to die ... */
+ notify_session_monitor (s->plugin,
+ s,
+ GNUNET_TRANSPORT_SS_UP);
+ s->timeout_task = GNUNET_SCHEDULER_add_delayed (left,
+ &server_session_timeout,
+ s);
+ return;
+ }
GNUNET_log (TIMEOUT_LOG,
"Session %p was idle for %s, disconnecting\n",
s,
* @param s the session
*/
static void
-server_reschedule_session_timeout (struct Session *s)
+server_reschedule_session_timeout (struct GNUNET_ATS_Session *s)
{
- GNUNET_assert (GNUNET_SCHEDULER_NO_TASK != s->timeout_task);
- GNUNET_SCHEDULER_cancel (s->timeout_task);
- s->timeout_task = GNUNET_SCHEDULER_add_delayed (HTTP_SERVER_SESSION_TIMEOUT,
- &server_session_timeout,
- s);
- GNUNET_log (TIMEOUT_LOG,
- "Timeout rescheduled for session %p set to %s\n",
- s,
- GNUNET_STRINGS_relative_time_to_string (HTTP_SERVER_SESSION_TIMEOUT,
- GNUNET_YES));
+ GNUNET_assert (NULL != s->timeout_task);
+ s->timeout = GNUNET_TIME_relative_to_absolute (GNUNET_CONSTANTS_IDLE_CONNECTION_TIMEOUT);
}
*/
static ssize_t
http_server_plugin_send (void *cls,
- struct Session *session,
+ struct GNUNET_ATS_Session *session,
const char *msgbuf,
size_t msgbuf_size,
unsigned int priority,
char *stat_txt;
LOG (GNUNET_ERROR_TYPE_DEBUG,
- "Session %p/connection %p: Sending message with %u to peer `%s'\n",
+ "Session %p/request %p: Sending message with %u to peer `%s'\n",
session,
session->server_send,
msgbuf_size,
msg->buf = (char *) &msg[1];
msg->transmit_cont = cont;
msg->transmit_cont_cls = cont_cls;
- memcpy (msg->buf, msgbuf, msgbuf_size);
+ memcpy (msg->buf,
+ msgbuf,
+ msgbuf_size);
GNUNET_CONTAINER_DLL_insert_tail (session->msg_head,
session->msg_tail,
msg);
+ session->msgs_in_queue++;
+ session->bytes_in_queue += msg->size;
+ notify_session_monitor (plugin,
+ session,
+ GNUNET_TRANSPORT_SS_UP);
GNUNET_asprintf (&stat_txt,
"# bytes currently in %s_server buffers",
plugin->protocol);
}
+/**
+ * Terminate session during shutdown.
+ *
+ * @param cls the `struct HTTP_Server_Plugin *`
+ * @param peer for which this is a session
+ * @param value the `struct GNUNET_ATS_Session` to clean up
+ * @return #GNUNET_OK (continue to iterate)
+ */
+static int
+destroy_session_shutdown_cb (void *cls,
+ const struct GNUNET_PeerIdentity *peer,
+ void *value)
+{
+ struct GNUNET_ATS_Session *s = value;
+ struct ServerRequest *sc_send;
+ struct ServerRequest *sc_recv;
+
+ sc_send = s->server_send;
+ sc_recv = s->server_recv;
+ server_delete_session (s);
+
+ GNUNET_free_non_null (sc_send);
+ GNUNET_free_non_null (sc_recv);
+
+ return GNUNET_OK;
+}
+
/**
* Terminate session.
*
* @param cls the `struct HTTP_Server_Plugin *`
* @param peer for which this is a session
- * @param value the `struct Session` to clean up
+ * @param value the `struct GNUNET_ATS_Session` to clean up
* @return #GNUNET_OK (continue to iterate)
*/
static int
const struct GNUNET_PeerIdentity *peer,
void *value)
{
- struct Session *s = value;
+ struct GNUNET_ATS_Session *s = value;
server_delete_session (s);
return GNUNET_OK;
}
-
/**
* Function that can be used to force the plugin to disconnect
* from the given peer and cancel all previous transmissions
* @param address the address
* @return always NULL
*/
-static struct Session *
+static struct GNUNET_ATS_Session *
http_server_plugin_get_session (void *cls,
const struct GNUNET_HELLO_Address *address)
{
{
struct HTTP_Server_Plugin *plugin = cls;
- plugin->server_v4_task = GNUNET_SCHEDULER_NO_TASK;
+ plugin->server_v4_task = NULL;
if (0 != (tc->reason & GNUNET_SCHEDULER_REASON_SHUTDOWN))
return;
plugin->server_v4_immediately = GNUNET_NO;
{
struct HTTP_Server_Plugin *plugin = cls;
- plugin->server_v6_task = GNUNET_SCHEDULER_NO_TASK;
+ plugin->server_v6_task = NULL;
if (0 != (tc->reason & GNUNET_SCHEDULER_REASON_SHUTDOWN))
return;
plugin->server_v6_immediately = GNUNET_NO;
*
* @param plugin plugin
* @param daemon_handle the MHD daemon handle
+ * @param now schedule now
* @return gnunet task identifier
*/
-static GNUNET_SCHEDULER_TaskIdentifier
+static struct GNUNET_SCHEDULER_Task *
server_schedule (struct HTTP_Server_Plugin *plugin,
struct MHD_Daemon *daemon_handle,
int now)
{
- GNUNET_SCHEDULER_TaskIdentifier ret;
+ struct GNUNET_SCHEDULER_Task * ret;
fd_set rs;
fd_set ws;
fd_set es;
struct GNUNET_TIME_Relative tv;
if (GNUNET_YES == plugin->in_shutdown)
- return GNUNET_SCHEDULER_NO_TASK;
+ return NULL;
- ret = GNUNET_SCHEDULER_NO_TASK;
+ ret = NULL;
FD_ZERO (&rs);
FD_ZERO (&ws);
FD_ZERO (&es);
if (daemon_handle == plugin->server_v4)
{
- if (plugin->server_v4_task != GNUNET_SCHEDULER_NO_TASK)
+ if (plugin->server_v4_task != NULL)
{
GNUNET_SCHEDULER_cancel (plugin->server_v4_task);
- plugin->server_v4_task = GNUNET_SCHEDULER_NO_TASK;
+ plugin->server_v4_task = NULL;
}
#if 0
LOG (GNUNET_ERROR_TYPE_DEBUG,
}
if (daemon_handle == plugin->server_v6)
{
- if (plugin->server_v6_task != GNUNET_SCHEDULER_NO_TASK)
+ if (plugin->server_v6_task != NULL)
{
GNUNET_SCHEDULER_cancel (plugin->server_v6_task);
- plugin->server_v6_task = GNUNET_SCHEDULER_NO_TASK;
+ plugin->server_v6_task = NULL;
}
#if 0
LOG (GNUNET_ERROR_TYPE_DEBUG,
if (GNUNET_YES == now)
plugin->server_v4_immediately = GNUNET_YES;
- if (plugin->server_v4_task != GNUNET_SCHEDULER_NO_TASK)
+ if (plugin->server_v4_task != NULL)
{
GNUNET_SCHEDULER_cancel (plugin->server_v4_task);
- plugin->server_v4_task = GNUNET_SCHEDULER_NO_TASK;
+ plugin->server_v4_task = NULL;
}
plugin->server_v4_task = server_schedule (plugin, plugin->server_v4, now);
}
if (GNUNET_YES == now)
plugin->server_v6_immediately = GNUNET_YES;
- if (plugin->server_v6_task != GNUNET_SCHEDULER_NO_TASK)
+ if (plugin->server_v6_task != NULL)
{
GNUNET_SCHEDULER_cancel (plugin->server_v6_task);
- plugin->server_v6_task = GNUNET_SCHEDULER_NO_TASK;
+ plugin->server_v6_task = NULL;
}
plugin->server_v6_task = server_schedule (plugin, plugin->server_v6, now);
}
}
+/**
+ * Function that will be called whenever the transport service wants to
+ * notify the plugin that a session is still active and in use and
+ * therefore the session timeout for this session has to be updated
+ *
+ * @param cls closure
+ * @param peer which peer was the session for
+ * @param session which session is being updated
+ */
static void
http_server_plugin_update_session_timeout (void *cls,
const struct GNUNET_PeerIdentity *peer,
- struct Session *session)
+ struct GNUNET_ATS_Session *session)
{
server_reschedule_session_timeout (session);
}
*/
static void
server_mhd_connection_timeout (struct HTTP_Server_Plugin *plugin,
- struct Session *s,
+ struct GNUNET_ATS_Session *s,
unsigned int to)
{
/* Setting timeouts for other connections */
if (NULL == url)
{
- GNUNET_break (0);
- return GNUNET_SYSERR;
+ GNUNET_break (0);
+ return GNUNET_SYSERR;
}
if (regexec(&plugin->url_regex, url, 4, matches, 0))
GNUNET_i2s_full (target));
/* convert options */
- if (-1 == matches[3].rm_so) {
- *options = 0;
- } else {
+ if (-1 == matches[3].rm_so)
+ {
+ *options = 0;
+ }
+ else
+ {
rc = strtoul (&url[matches[3].rm_so + 1], &options_end, 10);
if (&url[matches[3].rm_eo] != options_end)
{
"URL options > UINT32_MAX\n");
return GNUNET_SYSERR;
}
- (*options) = (uint32_t)rc;
+ (*options) = (uint32_t) rc;
LOG (GNUNET_ERROR_TYPE_DEBUG,
- "Found options `%u' in url\n", *options);
+ "Found options `%u' in url\n",
+ *options);
}
return GNUNET_OK;
}
/**
* Closure for #session_tag_it().
*/
-struct SessionTagContext
+struct GNUNET_ATS_SessionTagContext
{
/**
* Set to session matching the tag.
*/
- struct Session *res;
+ struct GNUNET_ATS_Session *res;
/**
* Tag we are looking for.
/**
* Find a session with a matching tag.
*
- * @param cls the `struct SessionTagContext *`
+ * @param cls the `struct GNUNET_ATS_SessionTagContext *`
* @param key peer identity (unused)
- * @param value the `struct Session *`
+ * @param value the `struct GNUNET_ATS_Session *`
* @return #GNUNET_NO if we found the session, #GNUNET_OK if not
*/
static int
const struct GNUNET_PeerIdentity *key,
void *value)
{
- struct SessionTagContext *stc = cls;
- struct Session *s = value;
+ struct GNUNET_ATS_SessionTagContext *stc = cls;
+ struct GNUNET_ATS_Session *s = value;
if (s->tag == stc->tag)
{
* @param method PUT or GET
* @return the server connecetion
*/
-static struct ServerConnection *
+static struct ServerRequest *
server_lookup_connection (struct HTTP_Server_Plugin *plugin,
struct MHD_Connection *mhd_connection,
const char *url,
const char *method)
{
- struct Session *s = NULL;
- struct ServerConnection *sc = NULL;
+ struct GNUNET_ATS_Session *s = NULL;
+ struct ServerRequest *sc = NULL;
const union MHD_ConnectionInfo *conn_info;
struct HttpAddress *addr;
- struct GNUNET_ATS_Information ats;
struct GNUNET_PeerIdentity target;
size_t addr_len;
- struct SessionTagContext stc;
+ struct GNUNET_ATS_SessionTagContext stc;
uint32_t options;
int direction = GNUNET_SYSERR;
unsigned int to;
+ enum GNUNET_ATS_Network_Type scope;
conn_info = MHD_get_connection_info (mhd_connection,
MHD_CONNECTION_INFO_CLIENT_ADDRESS);
(conn_info->client_addr->sa_family != AF_INET6))
return NULL;
LOG (GNUNET_ERROR_TYPE_DEBUG,
- "New %s connection from %s\n",
+ "New %s request from %s\n",
method,
url);
stc.tag = 0;
+ options = 0; /* make gcc happy */
if (GNUNET_SYSERR ==
server_parse_url (plugin, url, &target, &stc.tag, &options))
{
else
{
LOG (GNUNET_ERROR_TYPE_DEBUG,
- "Invalid method %s connection from %s\n",
+ "Invalid method %s for request from %s\n",
method, url);
return NULL;
}
- plugin->cur_connections++;
+ plugin->cur_request++;
LOG (GNUNET_ERROR_TYPE_DEBUG,
- "New %s connection from %s with tag %u (%u of %u)\n",
+ "New %s request from %s with tag %u (%u of %u)\n",
method,
GNUNET_i2s (&target),
stc.tag,
- plugin->cur_connections, plugin->max_connections);
+ plugin->cur_request, plugin->max_request);
/* find existing session */
stc.res = NULL;
GNUNET_CONTAINER_multipeermap_get_multiple (plugin->sessions,
conn_info->client_addr,
sizeof (struct sockaddr_in));
addr_len = http_common_address_get_size (addr);
- ats = plugin->env->get_address_type (plugin->env->cls,
- conn_info->client_addr,
- sizeof (struct sockaddr_in));
+ scope = plugin->env->get_address_type (plugin->env->cls,
+ conn_info->client_addr,
+ sizeof (struct sockaddr_in));
break;
case (AF_INET6):
addr = http_common_address_from_socket (plugin->protocol,
conn_info->client_addr,
sizeof (struct sockaddr_in6));
addr_len = http_common_address_get_size (addr);
- ats = plugin->env->get_address_type (plugin->env->cls,
- conn_info->client_addr,
- sizeof (struct sockaddr_in6));
+ scope = plugin->env->get_address_type (plugin->env->cls,
+ conn_info->client_addr,
+ sizeof (struct sockaddr_in6));
break;
default:
- /* external host name */
- ats.type = htonl (GNUNET_ATS_NETWORK_TYPE);
- ats.type = htonl (GNUNET_ATS_NET_WAN);
+ /* external host name */
return NULL;
}
- s = GNUNET_new (struct Session);
+ s = GNUNET_new (struct GNUNET_ATS_Session);
s->target = target;
s->plugin = plugin;
+ s->scope = scope;
s->address = GNUNET_HELLO_address_allocate (&s->target,
PLUGIN_NAME,
addr,
addr_len,
GNUNET_HELLO_ADDRESS_INFO_INBOUND);
- s->ats_address_network_type = ats.value;
s->next_receive = GNUNET_TIME_UNIT_ZERO_ABS;
s->tag = stc.tag;
+ s->timeout = GNUNET_TIME_relative_to_absolute (HTTP_SERVER_SESSION_TIMEOUT);
s->timeout_task = GNUNET_SCHEDULER_add_delayed (HTTP_SERVER_SESSION_TIMEOUT,
&server_session_timeout,
s);
&s->target,
s,
GNUNET_CONTAINER_MULTIHASHMAPOPTION_MULTIPLE);
-
+ notify_session_monitor (plugin,
+ s,
+ GNUNET_TRANSPORT_SS_INIT);
+ notify_session_monitor (plugin,
+ s,
+ GNUNET_TRANSPORT_SS_HANDSHAKE);
LOG (GNUNET_ERROR_TYPE_DEBUG,
"Creating new session %p for peer `%s' connecting from `%s'\n",
s, GNUNET_i2s (&target),
GNUNET_free_non_null (addr);
}
- if ( (_RECEIVE == direction) && (NULL != s->server_recv) )
+ if ( (_RECEIVE == direction) &&
+ (NULL != s->server_recv) )
{
LOG (GNUNET_ERROR_TYPE_DEBUG,
- "Duplicate PUT connection from `%s' tag %u, dismissing new connection\n",
+ "Duplicate PUT request from `%s' tag %u, dismissing new request\n",
GNUNET_i2s (&target),
stc.tag);
return NULL;
if ((_SEND == direction) && (NULL != s->server_send))
{
LOG (GNUNET_ERROR_TYPE_DEBUG,
- "Duplicate GET connection from `%s' tag %u, dismissing new connection\n",
+ "Duplicate GET request from `%s' tag %u, dismissing new request\n",
GNUNET_i2s (&target),
stc.tag);
return NULL;
}
- sc = GNUNET_new (struct ServerConnection);
+ sc = GNUNET_new (struct ServerRequest);
if (conn_info->client_addr->sa_family == AF_INET)
sc->mhd_daemon = plugin->server_v4;
if (conn_info->client_addr->sa_family == AF_INET6)
sc->session = s;
sc->options = options;
if (direction == _SEND)
+ {
s->server_send = sc;
+ }
if (direction == _RECEIVE)
+ {
s->server_recv = sc;
+ }
- if ((NULL != s->server_send) && (NULL != s->server_recv))
+ if ((GNUNET_NO == s->known_to_service) &&
+ (NULL != s->server_send) &&
+ (NULL != s->server_recv) )
{
s->known_to_service = GNUNET_YES;
- plugin->env->session_start (NULL, s->address ,s, NULL, 0);
+ notify_session_monitor (plugin,
+ s,
+ GNUNET_TRANSPORT_SS_UP);
+ plugin->env->session_start (plugin->env->cls,
+ s->address,
+ s,
+ s->scope);
}
- if ((NULL == s->server_recv) || (NULL == s->server_send))
- {
- to = (HTTP_SERVER_NOT_VALIDATED_TIMEOUT.rel_value_us / 1000LL / 1000LL);
- MHD_set_connection_option (mhd_connection,
- MHD_CONNECTION_OPTION_TIMEOUT, to);
- server_reschedule (plugin, sc->mhd_daemon, GNUNET_NO);
- }
- else
- {
- LOG (GNUNET_ERROR_TYPE_DEBUG,
- "Session %p for peer `%s' fully connected\n",
- s, GNUNET_i2s (&target));
- to = (HTTP_SERVER_SESSION_TIMEOUT.rel_value_us / 1000LL / 1000LL);
- server_mhd_connection_timeout (plugin, s, to);
- }
- LOG (GNUNET_ERROR_TYPE_DEBUG,
- "Setting timeout for %p to %u sec.\n", sc, to);
+ to = (HTTP_SERVER_SESSION_TIMEOUT.rel_value_us / 1000LL / 1000LL);
+ server_mhd_connection_timeout (plugin, s, to);
return sc;
}
* @param cls current session
* @param pos position in buffer
* @param buf the buffer to write data to
- * @param max max number of bytes available in buffer
- * @return bytes written to buffer
+ * @param max max number of bytes available in @a buf
+ * @return bytes written to @a buf
*/
static ssize_t
server_send_callback (void *cls,
char *buf,
size_t max)
{
- struct Session *s = cls;
- struct ServerConnection *sc;
+ struct ServerRequest *sc = cls;
+ struct GNUNET_ATS_Session *s = sc->session;
ssize_t bytes_read = 0;
struct HTTP_Message *msg;
char *stat_txt;
+ if (NULL == s)
+ {
+ /* session is disconnecting */
+ return 0;
+ }
+
sc = s->server_send;
if (NULL == sc)
return 0;
if (NULL != msg->transmit_cont)
msg->transmit_cont (msg->transmit_cont_cls, &s->target, GNUNET_OK,
msg->size, msg->size + msg->overhead);
+ GNUNET_assert (s->msgs_in_queue > 0);
+ s->msgs_in_queue--;
+ GNUNET_assert (s->bytes_in_queue >= msg->size);
+ s->bytes_in_queue -= msg->size;
GNUNET_free (msg);
+ notify_session_monitor (s->plugin,
+ s,
+ GNUNET_TRANSPORT_SS_UPDATE);
}
}
if (0 < bytes_read)
sc->connected = GNUNET_YES;
LOG (GNUNET_ERROR_TYPE_DEBUG,
"Sent %u bytes to peer `%s' with session %p \n",
- bytes_read, GNUNET_i2s (&s->target), s);
- GNUNET_asprintf (&stat_txt, "# bytes currently in %s_server buffers",
+ bytes_read,
+ GNUNET_i2s (&s->target),
+ s);
+ GNUNET_asprintf (&stat_txt,
+ "# bytes currently in %s_server buffers",
s->plugin->protocol);
GNUNET_STATISTICS_update (s->plugin->env->stats,
- stat_txt, -bytes_read, GNUNET_NO);
+ stat_txt,
+ - bytes_read,
+ GNUNET_NO);
GNUNET_free (stat_txt);
- GNUNET_asprintf (&stat_txt, "# bytes transmitted via %s_server",
+ GNUNET_asprintf (&stat_txt,
+ "# bytes transmitted via %s_server",
s->plugin->protocol);
GNUNET_STATISTICS_update (s->plugin->env->stats,
stat_txt, bytes_read, GNUNET_NO);
else if ((sc->options & OPTION_LONG_POLL) && sc->connected)
{
LOG (GNUNET_ERROR_TYPE_DEBUG,
- "Completing GET response to peer `%s' with session %p \n",
- GNUNET_i2s (&s->target), s);
+ "Completing GET response to peer `%s' with session %p\n",
+ GNUNET_i2s (&s->target),
+ s);
return MHD_CONTENT_READER_END_OF_STREAM;
}
return bytes_read;
void *client,
const struct GNUNET_MessageHeader *message)
{
- struct Session *s = cls;
+ struct GNUNET_ATS_Session *s = cls;
struct HTTP_Server_Plugin *plugin = s->plugin;
- struct GNUNET_ATS_Information atsi;
struct GNUNET_TIME_Relative delay;
char *stat_txt;
- atsi.type = htonl (GNUNET_ATS_NETWORK_TYPE);
- atsi.value = s->ats_address_network_type;
- GNUNET_break (s->ats_address_network_type !=
- ntohl (GNUNET_ATS_NET_UNSPECIFIED));
-
if (GNUNET_NO == s->known_to_service)
{
s->known_to_service = GNUNET_YES;
- plugin->env->session_start (NULL, s->address, s, NULL, 0);
+ plugin->env->session_start (plugin->env->cls,
+ s->address,
+ s,
+ s->scope);
+ notify_session_monitor (plugin,
+ s,
+ GNUNET_TRANSPORT_SS_UP);
}
delay = plugin->env->receive (plugin->env->cls,
s->address,
s,
message);
- plugin->env->update_address_metrics (plugin->env->cls,
- s->address, s,
- &atsi, 1);
GNUNET_asprintf (&stat_txt,
"# bytes received via %s_server",
plugin->protocol);
/**
* Add headers to a request indicating that we allow Cross-Origin Resource
* Sharing.
+ *
+ * @param response response object to modify
*/
static void
add_cors_headers(struct MHD_Response *response)
* @param method GET or PUT
* @param version HTTP version
* @param upload_data upload data
- * @param upload_data_size sizeof upload data
+ * @param upload_data_size size of @a upload_data
* @param httpSessionCache the session cache to remember the connection
* @return MHD_YES if connection is accepted, MHD_NO on reject
*/
void **httpSessionCache)
{
struct HTTP_Server_Plugin *plugin = cls;
- struct ServerConnection *sc = *httpSessionCache;
- struct Session *s;
+ struct ServerRequest *sc = *httpSessionCache;
+ struct GNUNET_ATS_Session *s;
struct MHD_Response *response;
int res = MHD_YES;
LOG (GNUNET_ERROR_TYPE_DEBUG,
_("Access from connection %p (%u of %u) for `%s' `%s' url `%s' with upload data size %u\n"),
sc,
- plugin->cur_connections,
- plugin->max_connections,
+ plugin->cur_request,
+ plugin->max_request,
method,
version,
url,
if (0 == strcmp (MHD_HTTP_METHOD_OPTIONS, method))
{
response = MHD_create_response_from_buffer (0, NULL,
- MHD_RESPMEM_PERSISTENT);
+ MHD_RESPMEM_PERSISTENT);
add_cors_headers(response);
res = MHD_queue_response (mhd_connection, MHD_HTTP_OK, response);
MHD_destroy_response (response);
else
{
/* existing session already has matching connection, refuse */
- response = MHD_create_response_from_data (strlen (HTTP_ERROR_RESPONSE),
- HTTP_ERROR_RESPONSE,
- MHD_NO,
- MHD_NO);
+ response = MHD_create_response_from_buffer (strlen (HTTP_ERROR_RESPONSE),
+ HTTP_ERROR_RESPONSE,
+ MHD_RESPMEM_PERSISTENT);
MHD_add_response_header (response,
MHD_HTTP_HEADER_CONTENT_TYPE,
"text/html");
{
/* Session was already disconnected;
sent HTTP/1.1: 200 OK as response */
- response = MHD_create_response_from_data (strlen ("Thank you!"),
- "Thank you!",
- MHD_NO, MHD_NO);
+ response = MHD_create_response_from_buffer (strlen ("Thank you!"),
+ "Thank you!",
+ MHD_RESPMEM_PERSISTENT);
add_cors_headers(response);
MHD_queue_response (mhd_connection, MHD_HTTP_OK, response);
MHD_destroy_response (response);
if (sc->direction == _SEND)
{
- response = MHD_create_response_from_callback (MHD_SIZE_UNKNOWN,
- 32 * 1024,
- &server_send_callback, s,
- NULL);
+ response = MHD_create_response_from_callback (MHD_SIZE_UNKNOWN, 32 * 1024,
+ &server_send_callback, sc, NULL);
add_cors_headers(response);
MHD_queue_response (mhd_connection, MHD_HTTP_OK, response);
MHD_destroy_response (response);
s->address->address_length));
sc->connected = GNUNET_NO;
/* Sent HTTP/1.1: 200 OK as PUT Response\ */
- response = MHD_create_response_from_data (strlen ("Thank you!"),
- "Thank you!",
- MHD_NO, MHD_NO);
+ response = MHD_create_response_from_buffer (strlen ("Thank you!"),
+ "Thank you!",
+ MHD_RESPMEM_PERSISTENT);
add_cors_headers(response);
MHD_queue_response (mhd_connection, MHD_HTTP_OK, response);
MHD_destroy_response (response);
}
else if ((*upload_data_size > 0) && (sc->connected == GNUNET_YES))
{
+ struct GNUNET_TIME_Relative delay;
+
/* (*upload_data_size > 0) for every segment received */
LOG (GNUNET_ERROR_TYPE_DEBUG,
"Session %p / Connection %p: Peer `%s' PUT on address `%s' received %u bytes\n",
s->address->address,
s->address->address_length),
*upload_data_size);
- struct GNUNET_TIME_Absolute now = GNUNET_TIME_absolute_get ();
-
- if ((s->next_receive.abs_value_us <= now.abs_value_us))
+ delay = GNUNET_TIME_absolute_get_remaining (s->next_receive);
+ if (0 == delay.rel_value_us)
{
LOG (GNUNET_ERROR_TYPE_DEBUG,
"PUT with %u bytes forwarded to MST\n",
{
s->msg_tk = GNUNET_SERVER_mst_create (&server_receive_mst_cb, s);
}
- GNUNET_SERVER_mst_receive (s->msg_tk, s, upload_data,
- *upload_data_size, GNUNET_NO, GNUNET_NO);
+ GNUNET_SERVER_mst_receive (s->msg_tk, s, upload_data, *upload_data_size,
+ GNUNET_NO, GNUNET_NO);
server_mhd_connection_timeout (plugin, s,
- GNUNET_CONSTANTS_IDLE_CONNECTION_TIMEOUT.rel_value_us / 1000LL / 1000LL);
+ GNUNET_CONSTANTS_IDLE_CONNECTION_TIMEOUT.rel_value_us / 1000LL
+ / 1000LL);
(*upload_data_size) = 0;
}
else
{
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Session %p / Connection %p: no inbound bandwidth available! Next read was delayed by %s\n",
- s, sc,
- GNUNET_STRINGS_relative_time_to_string (GNUNET_TIME_absolute_get_duration (s->next_receive),
- GNUNET_YES));
+ /* delay processing */
+ GNUNET_log(GNUNET_ERROR_TYPE_DEBUG,
+ "Session %p / Connection %p: no inbound bandwidth available! Next read was delayed by %s\n",
+ s, sc, GNUNET_STRINGS_relative_time_to_string (delay, GNUNET_YES));
+ GNUNET_assert(s->server_recv->mhd_conn == mhd_connection);
+ MHD_suspend_connection (s->server_recv->mhd_conn);
+ if (NULL == s->recv_wakeup_task)
+ s->recv_wakeup_task = GNUNET_SCHEDULER_add_delayed (delay,
+ &server_wake_up, s);
}
return MHD_YES;
}
void **httpSessionCache)
{
struct HTTP_Server_Plugin *plugin = cls;
- struct ServerConnection *sc = *httpSessionCache;
- struct Session *s;
+ struct ServerRequest *sc = *httpSessionCache;
LOG (GNUNET_ERROR_TYPE_DEBUG,
"Disconnect for connection %p\n",
sc);
if (NULL == sc)
- return; /* never really got setup */
- if (NULL == (s = sc->session))
- return; /* session already dead */
- if (sc->direction == _SEND)
{
- LOG (GNUNET_ERROR_TYPE_DEBUG,
- "Peer `%s' connection %p, GET on address `%s' disconnected\n",
- GNUNET_i2s (&s->target),
- s->server_send,
- http_common_plugin_address_to_string (plugin->protocol,
- s->address->address,
- s->address->address_length));
- s->server_send = NULL;
- if (! ( (0 != (sc->options & OPTION_LONG_POLL)) &&
- (NULL != s->server_recv) ) )
- {
- server_delete_session (s);
- GNUNET_free (sc);
- plugin->cur_connections--;
- return;
- }
+ /* CORS pre-flight request finished */
+ return;
}
- if (sc->direction == _RECEIVE)
+
+ if (NULL != sc->session)
{
- LOG (GNUNET_ERROR_TYPE_DEBUG,
- "Peer `%s' connection %p PUT on address `%s' disconnected\n",
- GNUNET_i2s (&s->target),
- s->server_recv,
- http_common_plugin_address_to_string (plugin->protocol,
- s->address->address,
- s->address->address_length));
- s->server_recv = NULL;
- if (NULL != s->msg_tk)
+ if (sc->direction == _SEND)
{
- GNUNET_SERVER_mst_destroy (s->msg_tk);
- s->msg_tk = NULL;
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ "Peer `%s' connection %p, GET on address `%s' disconnected\n",
+ GNUNET_i2s (&sc->session->target),
+ sc->session->server_send,
+ http_common_plugin_address_to_string (plugin->protocol,
+ sc->session->address->address,
+ sc->session->address->address_length));
+
+ sc->session->server_send = NULL;
+ }
+ else if (sc->direction == _RECEIVE)
+ {
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ "Peer `%s' connection %p PUT on address `%s' disconnected\n",
+ GNUNET_i2s (&sc->session->target),
+ sc->session->server_recv,
+ http_common_plugin_address_to_string (plugin->protocol,
+ sc->session->address->address,
+ sc->session->address->address_length));
+ sc->session->server_recv = NULL;
+ if (NULL != sc->session->msg_tk)
+ {
+ GNUNET_SERVER_mst_destroy (sc->session->msg_tk);
+ sc->session->msg_tk = NULL;
+ }
}
}
GNUNET_free (sc);
- plugin->cur_connections--;
-
- if ( (NULL == s->server_send) &&
- (NULL == s->server_recv) )
- {
- LOG (GNUNET_ERROR_TYPE_DEBUG,
- "Peer `%s' on address `%s' disconnected\n",
- GNUNET_i2s (&s->target),
- http_common_plugin_address_to_string (plugin->protocol,
- s->address->address,
- s->address->address_length));
-
- server_delete_session (s);
- }
+ plugin->cur_request--;
}
*
* @param cls plugin as closure
* @param addr address of incoming connection
- * @param addr_len address length of incoming connection
+ * @param addr_len number of bytes in @a addr
* @return MHD_YES if connection is accepted, MHD_NO if connection is rejected
*/
static int
{
struct HTTP_Server_Plugin *plugin = cls;
- if (plugin->cur_connections <= plugin->max_connections)
+ if (plugin->cur_request <= plugin->max_request)
{
LOG (GNUNET_ERROR_TYPE_DEBUG,
_("Accepting connection (%u of %u) from `%s'\n"),
- plugin->cur_connections, plugin->max_connections,
+ plugin->cur_request, plugin->max_request,
GNUNET_a2s (addr, addr_len));
return MHD_YES;
}
{
LOG (GNUNET_ERROR_TYPE_WARNING,
_("Server reached maximum number connections (%u), rejecting new connection\n"),
- plugin->max_connections);
+ plugin->max_request);
return MHD_NO;
}
}
+/**
+ * Log function called by MHD.
+ *
+ * @param arg NULL
+ * @param fmt format string
+ * @param ap arguments for the format string (va_start() and va_end()
+ * will be called by MHD)
+ */
static void
server_log (void *arg,
const char *fmt,
{
char text[1024];
- vsnprintf (text, sizeof (text), fmt, ap);
- va_end (ap);
+ vsnprintf (text,
+ sizeof (text),
+ fmt,
+ ap);
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Server: %s\n",
text);
gn_file =
GNUNET_DISK_file_open (file, GNUNET_DISK_OPEN_READ,
GNUNET_DISK_PERM_USER_READ);
- if (gn_file == NULL)
+ if (NULL == gn_file)
{
GNUNET_free (text);
return NULL;
NULL, NULL, NULL,
"gnunet-transport-certificate-creation",
"gnunet-transport-certificate-creation",
- key_file, cert_file, NULL);
- if (cert_creation == NULL)
+ key_file,
+ cert_file,
+ NULL);
+ if (NULL == cert_creation)
{
LOG (GNUNET_ERROR_TYPE_ERROR,
_("Could not create a new TLS certificate, program `gnunet-transport-certificate-creation' could not be started!\n"));
}
GNUNET_free (key_file);
GNUNET_free (cert_file);
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "TLS certificate loaded\n");
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "TLS certificate loaded\n");
return res;
}
#endif
/**
- * Start the HTTP server
+ * Invoke `MHD_start_daemon` with the various options we need to
+ * setup the HTTP server with the given listen address.
*
- * @param plugin the plugin handle
- * @return #GNUNET_OK on success, #GNUNET_SYSERR on failure
+ * @param plugin our plugin
+ * @param addr listen address to use
+ * @param v6 MHD_NO_FLAG or MHD_USE_IPv6, depending on context
+ * @return NULL on error
*/
-static int
-server_start (struct HTTP_Server_Plugin *plugin)
+static struct MHD_Daemon *
+run_mhd_start_daemon (struct HTTP_Server_Plugin *plugin,
+ const struct sockaddr_in *addr,
+ int v6)
{
+ struct MHD_Daemon *server;
unsigned int timeout;
- char *msg;
- GNUNET_assert (NULL != plugin);
-
-#if BUILD_HTTPS
- if (GNUNET_SYSERR == server_load_certificate (plugin))
- {
- LOG (GNUNET_ERROR_TYPE_ERROR,
- "Could not load or create server certificate! Loading plugin failed!\n");
- return GNUNET_SYSERR;
- }
-#endif
-
#if MHD_VERSION >= 0x00090E00
timeout = HTTP_SERVER_NOT_VALIDATED_TIMEOUT.rel_value_us / 1000LL / 1000LL;
"MHD cannot set timeout per connection! Default time out %u sec.\n",
timeout);
#endif
-
- plugin->server_v4 = NULL;
- if (plugin->use_ipv4 == GNUNET_YES)
- {
- plugin->server_v4 = MHD_start_daemon (
+ server = MHD_start_daemon (
#if VERBOSE_SERVER
- MHD_USE_DEBUG |
+ MHD_USE_DEBUG |
#endif
#if BUILD_HTTPS
- MHD_USE_SSL |
+ MHD_USE_SSL |
#endif
- MHD_NO_FLAG, plugin->port,
- &server_accept_cb, plugin,
- &server_access_cb, plugin,
- MHD_OPTION_SOCK_ADDR,
- (struct sockaddr_in *)
- plugin->server_addr_v4,
- MHD_OPTION_CONNECTION_LIMIT,
- (unsigned int)
- plugin->max_connections,
+ MHD_USE_SUSPEND_RESUME |
+ v6,
+ plugin->port,
+ &server_accept_cb, plugin,
+ &server_access_cb, plugin,
+ MHD_OPTION_SOCK_ADDR,
+ addr,
+ MHD_OPTION_CONNECTION_LIMIT,
+ (unsigned int) plugin->max_request,
#if BUILD_HTTPS
- MHD_OPTION_HTTPS_PRIORITIES,
- plugin->crypto_init,
- MHD_OPTION_HTTPS_MEM_KEY,
- plugin->key,
- MHD_OPTION_HTTPS_MEM_CERT,
- plugin->cert,
+ MHD_OPTION_HTTPS_PRIORITIES,
+ plugin->crypto_init,
+ MHD_OPTION_HTTPS_MEM_KEY,
+ plugin->key,
+ MHD_OPTION_HTTPS_MEM_CERT,
+ plugin->cert,
#endif
- MHD_OPTION_CONNECTION_TIMEOUT,
- timeout,
- MHD_OPTION_CONNECTION_MEMORY_LIMIT,
- (size_t) (2 *
- GNUNET_SERVER_MAX_MESSAGE_SIZE),
- MHD_OPTION_NOTIFY_COMPLETED,
- &server_disconnect_cb, plugin,
- MHD_OPTION_EXTERNAL_LOGGER,
- server_log, NULL, MHD_OPTION_END);
- if (plugin->server_v4 == NULL)
+ MHD_OPTION_CONNECTION_TIMEOUT,
+ timeout,
+ MHD_OPTION_CONNECTION_MEMORY_LIMIT,
+ (size_t) (2 *
+ GNUNET_SERVER_MAX_MESSAGE_SIZE),
+ MHD_OPTION_NOTIFY_COMPLETED,
+ &server_disconnect_cb, plugin,
+ MHD_OPTION_EXTERNAL_LOGGER,
+ &server_log, NULL,
+ MHD_OPTION_END);
+#ifdef TCP_STEALTH
+ if ( (NULL != server) &&
+ (0 != (plugin->options & HTTP_OPTIONS_TCP_STEALTH)) )
+ {
+ const union MHD_DaemonInfo *di;
+
+ di = MHD_get_daemon_info (server,
+ MHD_DAEMON_INFO_LISTEN_FD,
+ NULL);
+ if ( (0 != setsockopt ((int) di->listen_fd,
+ IPPROTO_TCP,
+ TCP_STEALTH,
+ plugin->env->my_identity,
+ sizeof (struct GNUNET_PeerIdentity))) )
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ _("TCP_STEALTH not supported on this platform.\n"));
+ MHD_stop_daemon (server);
+ server = NULL;
+ }
+ }
+#endif
+ return server;
+}
+
+
+/**
+ * Start the HTTP server
+ *
+ * @param plugin the plugin handle
+ * @return #GNUNET_OK on success, #GNUNET_SYSERR on failure
+ */
+static int
+server_start (struct HTTP_Server_Plugin *plugin)
+{
+ const char *msg;
+
+ GNUNET_assert (NULL != plugin);
+#if BUILD_HTTPS
+ if (GNUNET_SYSERR == server_load_certificate (plugin))
+ {
+ LOG (GNUNET_ERROR_TYPE_ERROR,
+ _("Could not load or create server certificate! Loading plugin failed!\n"));
+ return GNUNET_SYSERR;
+ }
+#endif
+
+
+
+ plugin->server_v4 = NULL;
+ if (GNUNET_YES == plugin->use_ipv4)
+ {
+ plugin->server_v4
+ = run_mhd_start_daemon (plugin,
+ (const struct sockaddr_in *) plugin->server_addr_v4,
+ MHD_NO_FLAG);
+
+ if (NULL == plugin->server_v4)
{
LOG (GNUNET_ERROR_TYPE_ERROR,
"Failed to start %s IPv4 server component on port %u\n",
- plugin->name, plugin->port);
+ plugin->name,
+ plugin->port);
}
else
- server_reschedule (plugin, plugin->server_v4, GNUNET_NO);
+ server_reschedule (plugin,
+ plugin->server_v4,
+ GNUNET_NO);
}
plugin->server_v6 = NULL;
- if (plugin->use_ipv6 == GNUNET_YES)
+ if (GNUNET_YES == plugin->use_ipv6)
{
- plugin->server_v6 = MHD_start_daemon (
-#if VERBOSE_SERVER
- MHD_USE_DEBUG |
-#endif
-#if BUILD_HTTPS
- MHD_USE_SSL |
-#endif
- MHD_USE_IPv6, plugin->port,
- &server_accept_cb, plugin,
- &server_access_cb, plugin,
- MHD_OPTION_SOCK_ADDR,
- (struct sockaddr_in6 *)
- plugin->server_addr_v6,
- MHD_OPTION_CONNECTION_LIMIT,
- (unsigned int)
- plugin->max_connections,
-#if BUILD_HTTPS
- MHD_OPTION_HTTPS_PRIORITIES,
- plugin->crypto_init,
- MHD_OPTION_HTTPS_MEM_KEY,
- plugin->key,
- MHD_OPTION_HTTPS_MEM_CERT,
- plugin->cert,
-#endif
- MHD_OPTION_CONNECTION_TIMEOUT,
- timeout,
- MHD_OPTION_CONNECTION_MEMORY_LIMIT,
- (size_t) (2 *
- GNUNET_SERVER_MAX_MESSAGE_SIZE),
- MHD_OPTION_NOTIFY_COMPLETED,
- &server_disconnect_cb, plugin,
- MHD_OPTION_EXTERNAL_LOGGER,
- server_log, NULL, MHD_OPTION_END);
- if (plugin->server_v6 == NULL)
+ plugin->server_v6
+ = run_mhd_start_daemon (plugin,
+ (const struct sockaddr_in *) plugin->server_addr_v6,
+ MHD_USE_IPv6);
+ if (NULL == plugin->server_v6)
{
LOG (GNUNET_ERROR_TYPE_ERROR,
"Failed to start %s IPv6 server component on port %u\n",
- plugin->name, plugin->port);
+ plugin->name,
+ plugin->port);
}
else
- server_reschedule (plugin, plugin->server_v6, GNUNET_NO);
+ {
+ server_reschedule (plugin,
+ plugin->server_v6,
+ GNUNET_NO);
+ }
}
-
- msg = "No";
- if ((plugin->server_v6 == NULL) && (plugin->server_v4 == NULL))
+ msg = "No";
+ if ( (NULL == plugin->server_v6) &&
+ (NULL == plugin->server_v4) )
{
LOG (GNUNET_ERROR_TYPE_ERROR,
"%s %s server component started on port %u\n",
- msg, plugin->name, plugin->port);
- sleep (10);
+ msg,
+ plugin->name,
+ plugin->port);
return GNUNET_SYSERR;
}
- else if ((plugin->server_v6 != NULL) && (plugin->server_v4 != NULL))
- msg = "IPv4 and IPv6";
- else if (plugin->server_v6 != NULL)
- msg = "IPv6";
- else if (plugin->server_v4 != NULL)
- msg = "IPv4";
+ if ((NULL != plugin->server_v6) &&
+ (NULL != plugin->server_v4))
+ msg = "IPv4 and IPv6";
+ else if (NULL != plugin->server_v6)
+ msg = "IPv6";
+ else if (NULL != plugin->server_v4)
+ msg = "IPv4";
LOG (GNUNET_ERROR_TYPE_DEBUG,
"%s %s server component started on port %u\n",
- msg, plugin->name, plugin->port);
+ msg,
+ plugin->name,
+ plugin->port);
return GNUNET_OK;
}
-static void
-server_stop (struct HTTP_Server_Plugin *plugin)
-{
- if (plugin->server_v4 != NULL)
- {
- MHD_stop_daemon (plugin->server_v4);
- plugin->server_v4 = NULL;
- }
- if ( plugin->server_v6 != NULL)
- {
- MHD_stop_daemon (plugin->server_v6);
- plugin->server_v6 = NULL;
- }
-
-
- if (plugin->server_v4_task != GNUNET_SCHEDULER_NO_TASK)
- {
- GNUNET_SCHEDULER_cancel (plugin->server_v4_task);
- plugin->server_v4_task = GNUNET_SCHEDULER_NO_TASK;
- }
-
- if (plugin->server_v6_task != GNUNET_SCHEDULER_NO_TASK)
- {
- GNUNET_SCHEDULER_cancel (plugin->server_v6_task);
- plugin->server_v6_task = GNUNET_SCHEDULER_NO_TASK;
- }
-#if BUILD_HTTPS
- GNUNET_free_non_null (plugin->crypto_init);
- GNUNET_free_non_null (plugin->cert);
- GNUNET_free_non_null (plugin->key);
-#endif
-
- LOG (GNUNET_ERROR_TYPE_DEBUG,
- "%s server component stopped\n",
- plugin->name);
-}
-
-
/**
* Add an address to the server's set of addresses and notify transport
*
if (port > 65535)
{
GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- _
- ("Require valid port number for service in configuration!\n"));
+ _("Require valid port number for service in configuration!\n"));
return GNUNET_SYSERR;
}
}
}
- if (GNUNET_CONFIGURATION_have_value (cfg, service_name, "BINDTO"))
+ if (GNUNET_CONFIGURATION_have_value (cfg, service_name,
+ "BINDTO"))
{
GNUNET_break (GNUNET_OK ==
GNUNET_CONFIGURATION_get_value_string (cfg, service_name,
else
hostname = NULL;
- if (hostname != NULL)
+ if (NULL != hostname)
{
LOG (GNUNET_ERROR_TYPE_DEBUG,
"Resolving `%s' since that is where `%s' will bind to.\n",
if (disablev6)
hints.ai_family = AF_INET;
if ((0 != (ret = getaddrinfo (hostname, NULL, &hints, &res))) ||
- (res == NULL))
+ (NULL == res))
{
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR, _("Failed to resolve `%s': %s\n"),
- hostname, gai_strerror (ret));
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ _("Failed to resolve `%s': %s\n"),
+ hostname,
+ gai_strerror (ret));
GNUNET_free (hostname);
return GNUNET_SYSERR;
}
next = pos->ai_next;
if ((disablev6) && (pos->ai_family == AF_INET6))
continue;
- if ((pos->ai_protocol != IPPROTO_TCP) && (pos->ai_protocol != 0))
+ if ((pos->ai_protocol != IPPROTO_TCP) && (0 != pos->ai_protocol))
continue; /* not TCP */
- if ((pos->ai_socktype != SOCK_STREAM) && (pos->ai_socktype != 0))
+ if ((pos->ai_socktype != SOCK_STREAM) && (0 != pos->ai_socktype))
continue; /* huh? */
LOG (GNUNET_ERROR_TYPE_DEBUG,
"Service will bind to `%s'\n",
plugin->port,
(unsigned int) res,
(const struct sockaddr **) addrs, addrlens,
- &server_nat_port_map_callback, NULL, plugin);
+ &server_nat_port_map_callback, NULL, plugin, NULL);
while (res > 0)
{
res--;
- GNUNET_assert (addrs[res] != NULL);
+ GNUNET_assert (NULL != addrs[res]);
GNUNET_free (addrs[res]);
}
GNUNET_free_non_null (addrs);
unsigned int urlen;
char *url;
- plugin->notify_ext_task = GNUNET_SCHEDULER_NO_TASK;
+ plugin->notify_ext_task = NULL;
if (0 != (tc->reason & GNUNET_SCHEDULER_REASON_SHUTDOWN))
return;
- GNUNET_asprintf(&url, "%s://%s", plugin->protocol, plugin->external_hostname);
+ GNUNET_asprintf(&url,
+ "%s://%s",
+ plugin->protocol,
+ plugin->external_hostname);
urlen = strlen (url) + 1;
ext_addr = GNUNET_malloc (sizeof (struct HttpAddress) + urlen);
- ext_addr->options = htonl(plugin->options);
+ ext_addr->options = htonl (plugin->options);
ext_addr->urlen = htonl (urlen);
ext_addr_len = sizeof (struct HttpAddress) + urlen;
memcpy (&ext_addr[1], url, urlen);
"MAX_CONNECTIONS",
&max_connections))
max_connections = 128;
- plugin->max_connections = max_connections;
+ plugin->max_request = max_connections;
LOG (GNUNET_ERROR_TYPE_DEBUG,
_("Maximum number of connections is %u\n"),
- plugin->max_connections);
+ plugin->max_request);
plugin->peer_id_length = strlen (GNUNET_i2s_full (plugin->env->my_identity));
return NULL;
}
plugin->in_shutdown = GNUNET_YES;
- LOG (GNUNET_ERROR_TYPE_DEBUG,
+ LOG (GNUNET_ERROR_TYPE_INFO,
_("Shutting down plugin `%s'\n"),
plugin->name);
- if (GNUNET_SCHEDULER_NO_TASK != plugin->notify_ext_task)
+ if (NULL != plugin->notify_ext_task)
{
GNUNET_SCHEDULER_cancel (plugin->notify_ext_task);
- plugin->notify_ext_task = GNUNET_SCHEDULER_NO_TASK;
+ plugin->notify_ext_task = NULL;
}
if (NULL != plugin->ext_addr)
/* Stop to report addresses to transport service */
server_stop_report_addresses (plugin);
- server_stop (plugin);
+ if (NULL != plugin->server_v4)
+ {
+ MHD_stop_daemon (plugin->server_v4);
+ plugin->server_v4 = NULL;
+ }
+ if (NULL != plugin->server_v6)
+ {
+ MHD_stop_daemon (plugin->server_v6);
+ plugin->server_v6 = NULL;
+ }
+ if (NULL != plugin->server_v4_task)
+ {
+ GNUNET_SCHEDULER_cancel (plugin->server_v4_task);
+ plugin->server_v4_task = NULL;
+ }
+
+ if (NULL != plugin->server_v6_task)
+ {
+ GNUNET_SCHEDULER_cancel (plugin->server_v6_task);
+ plugin->server_v6_task = NULL;
+ }
+#if BUILD_HTTPS
+ GNUNET_free_non_null (plugin->crypto_init);
+ GNUNET_free_non_null (plugin->cert);
+ GNUNET_free_non_null (plugin->key);
+#endif
GNUNET_CONTAINER_multipeermap_iterate (plugin->sessions,
- &destroy_session_cb,
+ &destroy_session_shutdown_cb,
plugin);
GNUNET_CONTAINER_multipeermap_destroy (plugin->sessions);
plugin->sessions = NULL;
/**
- * Function called by the pretty printer for the resolved address for
- * each human-readable address obtained. The callback can be called
- * several times. The last invocation must be with a @a address of
- * NULL and a @a res of #GNUNET_OK. Thus, to indicate conversion
- * errors, the callback might be called first with @a address NULL and
- * @a res being #GNUNET_SYSERR. In that case, there must still be a
- * subsequent call later with @a address NULL and @a res #GNUNET_OK.
+ * Function called for a quick conversion of the binary address to
+ * a numeric address. Note that the caller must not free the
+ * address and that the next call to this function is allowed
+ * to override the address again.
*
- * @param cls closure
- * @param address one of the names for the host, NULL on last callback
- * @param res #GNUNET_OK if conversion was successful, #GNUNET_SYSERR on failure,
- * #GNUNET_OK on last callback
+ * @param cls unused
+ * @param addr binary address
+ * @param addrlen length of the address
+ * @return string representing the same address
*/
static const char *
http_server_plugin_address_to_string (void *cls,
const void *addr,
size_t addrlen)
{
- return http_common_plugin_address_to_string (PLUGIN_NAME, addr, addrlen);
+ return http_common_plugin_address_to_string (PLUGIN_NAME,
+ addr,
+ addrlen);
}
/**
* Function obtain the network type for a session
*
- * @param cls closure ('struct HTTP_Server_Plugin*')
+ * @param cls closure (`struct HTTP_Server_Plugin *`)
* @param session the session
- * @return the network type in HBO or GNUNET_SYSERR
+ * @return the network type in HBO or #GNUNET_SYSERR
*/
static enum GNUNET_ATS_Network_Type
-http_server_get_network (void *cls,
- struct Session *session)
+http_server_plugin_get_network (void *cls,
+ struct GNUNET_ATS_Session *session)
{
- return ntohl (session->ats_address_network_type);
+ return session->scope;
+}
+
+
+/**
+ * Function obtain the network type for an address.
+ *
+ * @param cls closure (`struct Plugin *`)
+ * @param address the address
+ * @return the network type
+ */
+static enum GNUNET_ATS_Network_Type
+http_server_plugin_get_network_for_address (void *cls,
+ const struct GNUNET_HELLO_Address *address)
+{
+ struct HTTP_Server_Plugin *plugin = cls;
+
+ return http_common_get_network_for_address (plugin->env,
+ address);
+}
+
+
+/**
+ * Function that will be called whenever the transport service wants to
+ * notify the plugin that the inbound quota changed and that the plugin
+ * should update it's delay for the next receive value
+ *
+ * @param cls closure
+ * @param peer which peer was the session for
+ * @param session which session is being updated
+ * @param delay new delay to use for receiving
+ */
+static void
+http_server_plugin_update_inbound_delay (void *cls,
+ const struct GNUNET_PeerIdentity *peer,
+ struct GNUNET_ATS_Session *session,
+ struct GNUNET_TIME_Relative delay)
+{
+ session->next_receive = GNUNET_TIME_relative_to_absolute (delay);
+ LOG (GNUNET_ERROR_TYPE_DEBUG,
+ "New inbound delay %s\n",
+ GNUNET_STRINGS_relative_time_to_string (delay,
+ GNUNET_NO));
+ if (NULL != session->recv_wakeup_task)
+ {
+ GNUNET_SCHEDULER_cancel (session->recv_wakeup_task);
+ session->recv_wakeup_task
+ = GNUNET_SCHEDULER_add_delayed (delay,
+ &server_wake_up,
+ session);
+ }
}
*
* @param cls the `struct Plugin` with the monitor callback (`sic`)
* @param peer peer we send information about
- * @param value our `struct Session` to send information about
+ * @param value our `struct GNUNET_ATS_Session` to send information about
* @return #GNUNET_OK (continue to iterate)
*/
static int
void *value)
{
struct HTTP_Server_Plugin *plugin = cls;
- struct Session *session = value;
+ struct GNUNET_ATS_Session *session = value;
notify_session_monitor (plugin,
session,
- GNUNET_TRANSPORT_SS_UP);
+ GNUNET_TRANSPORT_SS_INIT);
return GNUNET_OK;
}
plugin->env = env;
plugin->sessions = GNUNET_CONTAINER_multipeermap_create (128,
GNUNET_YES);
+
api = GNUNET_new (struct GNUNET_TRANSPORT_PluginFunctions);
api->cls = plugin;
api->send = &http_server_plugin_send;
api->address_to_string = &http_server_plugin_address_to_string;
api->string_to_address = &http_common_plugin_string_to_address;
api->address_pretty_printer = &http_common_plugin_address_pretty_printer;
- api->get_network = &http_server_get_network;
+ api->get_network = &http_server_plugin_get_network;
+ api->get_network_for_address = &http_server_plugin_get_network_for_address;
api->update_session_timeout = &http_server_plugin_update_session_timeout;
- // api->update_inbound_delay = &http_server_plugin_update_inbound_delay; // FIXME: implement/support!
+ api->update_inbound_delay = &http_server_plugin_update_inbound_delay;
api->setup_monitor = &http_server_plugin_setup_monitor;
#if BUILD_HTTPS
plugin->name = "transport-https_server";
plugin->protocol = "http";
#endif
+ if (GNUNET_YES ==
+ GNUNET_CONFIGURATION_get_value_yesno (env->cfg,
+ plugin->name,
+ "TCP_STEALTH"))
+ {
+#ifdef TCP_STEALTH
+ plugin->options |= HTTP_OPTIONS_TCP_STEALTH;
+#else
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ _("TCP_STEALTH not supported on this platform.\n"));
+ LIBGNUNET_PLUGIN_TRANSPORT_DONE (api);
+ return NULL;
+#endif
+ }
+
/* Compile URL regex */
- if (regcomp(&plugin->url_regex, URL_REGEX, REG_EXTENDED))
+ if (regcomp(&plugin->url_regex,
+ URL_REGEX,
+ REG_EXTENDED))
{
LOG (GNUNET_ERROR_TYPE_ERROR,
_("Unable to compile URL regex\n"));
projects / oweals / gnunet.git / blobdiff