/*
This file is part of GNUnet.
- (C) 2008, 2009, 2010, 2014 Christian Grothoff (and other contributing authors)
+ Copyright (C) 2008, 2009, 2010, 2014, 2016 GNUnet e.V.
- GNUnet is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published
- by the Free Software Foundation; either version 3, or (at your
- option) any later version.
+ GNUnet is free software: you can redistribute it and/or modify it
+ under the terms of the GNU Affero General Public License as published
+ by the Free Software Foundation, either version 3 of the License,
+ or (at your option) any later version.
GNUnet is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- General Public License for more details.
+ Affero General Public License for more details.
+
+ You should have received a copy of the GNU Affero General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
- 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.
+ SPDX-License-Identifier: AGPL3.0-or-later
*/
/**
/**
* Our primary task for IPv4.
*/
-static GNUNET_SCHEDULER_TaskIdentifier hostlist_task_v4;
+static struct GNUNET_SCHEDULER_Task *hostlist_task_v4;
/**
* Our primary task for IPv6.
*/
-static GNUNET_SCHEDULER_TaskIdentifier hostlist_task_v6;
+static struct GNUNET_SCHEDULER_Task *hostlist_task_v6;
/**
* Our canonical response.
/**
- * Context for host processor.
+ * Context for #host_processor().
*/
struct HostSet
{
- unsigned int size;
+ /**
+ * Iterator used to build @e data (NULL when done).
+ */
+ struct GNUNET_PEERINFO_IteratorContext *pitr;
+ /**
+ * Place where we accumulate all of the HELLO messages.
+ */
char *data;
- struct GNUNET_PEERINFO_IteratorContext *pitr;
+ /**
+ * Number of bytes in @e data.
+ */
+ unsigned int size;
+
};
static struct HostSet *builder;
+/**
+ * Add headers to a request indicating that we allow Cross-Origin Resource
+ * Sharing.
+ *
+ * @param response response to add headers to
+ */
+static void
+add_cors_headers (struct MHD_Response *response)
+{
+ MHD_add_response_header (response,
+ "Access-Control-Allow-Origin",
+ "*");
+ MHD_add_response_header (response,
+ "Access-Control-Allow-Methods",
+ "GET, OPTIONS");
+ MHD_add_response_header (response,
+ "Access-Control-Max-Age",
+ "86400");
+}
+
+
/**
* Function that assembles our response.
*/
"Creating hostlist response with %u bytes\n",
(unsigned int) builder->size);
response =
- MHD_create_response_from_data (builder->size, builder->data, MHD_YES,
- MHD_NO);
+ MHD_create_response_from_buffer (builder->size,
+ builder->data,
+ MHD_RESPMEM_MUST_FREE);
+ add_cors_headers (response);
if ((NULL == daemon_handle_v4) && (NULL == daemon_handle_v6))
{
MHD_destroy_response (response);
* @param cls closure, NULL
* @param peer id of the peer, NULL for last call
* @param hello hello message for the peer (can be NULL)
- * @param error message
+ * @param err_msg message
*/
static void
host_processor (void *cls,
builder->pitr = NULL;
GNUNET_free_non_null (builder->data);
GNUNET_free (builder);
+ builder = NULL;
GNUNET_log (GNUNET_ERROR_TYPE_INFO,
_("Error in communication with PEERINFO service: %s\n"),
err_msg);
(unsigned int) s,
"HELLO",
GNUNET_i2s (peer));
- if ((old + s >= GNUNET_MAX_MALLOC_CHECKED) ||
- (old + s >= MAX_BYTES_PER_HOSTLISTS))
+ if ( (old + s >= GNUNET_MAX_MALLOC_CHECKED) ||
+ (old + s >= MAX_BYTES_PER_HOSTLISTS) )
{
+ /* too large, skip! */
GNUNET_STATISTICS_update (stats,
gettext_noop
("bytes not included in hostlist (size limit)"),
s, GNUNET_NO);
- return; /* too large, skip! */
+ return;
}
GNUNET_log (GNUNET_ERROR_TYPE_INFO,
"Adding peer `%s' to hostlist (%u bytes)\n",
GNUNET_i2s (peer),
(unsigned int) s);
- GNUNET_array_grow (builder->data, builder->size, old + s);
- memcpy (&builder->data[old], hello, s);
+ GNUNET_array_grow (builder->data,
+ builder->size,
+ old + s);
+ GNUNET_memcpy (&builder->data[old],
+ hello,
+ s);
}
}
-/**
- * Add headers to a request indicating that we allow Cross-Origin Resource
- * Sharing.
- *
- * @param response response to add headers to
- */
-static void
-add_cors_headers (struct MHD_Response *response)
-{
- MHD_add_response_header (response,
- "Access-Control-Allow-Origin",
- "*");
- MHD_add_response_header (response,
- "Access-Control-Allow-Methods",
- "GET, OPTIONS");
- MHD_add_response_header (response,
- "Access-Control-Max-Age",
- "86400");
-}
-
-
/**
* Main request handler.
*
* @param cls argument given together with the function
* pointer when the handler was registered with MHD
+ * @param connection
* @param url the requested url
* @param method the HTTP method used (#MHD_HTTP_METHOD_GET,
* #MHD_HTTP_METHOD_PUT, etc.)
if (NULL == *con_cls)
{
(*con_cls) = &dummy;
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Sending 100 CONTINUE reply\n");
- return MHD_YES; /* send 100 continue */
+ return MHD_YES;
}
if (0 != *upload_data_size)
{
GNUNET_STATISTICS_update (stats,
gettext_noop ("hostlist requests processed"),
1, GNUNET_YES);
- add_cors_headers (response);
return MHD_queue_response (connection, MHD_HTTP_OK, response);
}
/**
* Handler called by CORE when CORE is ready to transmit message
*
- * @param cls closure
+ * @param cls closure with the `const struct GNUNET_PeerIdentity *` of
+ * the peer we are sending to
* @param size size of buffer to copy message to
* @param buf buffer to copy message to
* @return number of bytes copied to @a buf
*/
-static size_t
-adv_transmit_ready (void *cls,
- size_t size,
- void *buf)
+static void
+adv_transmit (struct GNUNET_MQ_Handle *mq)
{
static uint64_t hostlist_adv_count;
- size_t transmission_size;
+ const void *extra;
+ uint64_t flags;
size_t uri_size; /* Including \0 termination! */
- struct GNUNET_MessageHeader header;
- char *cbuf;
+ struct GNUNET_MessageHeader *header;
+ struct GNUNET_MQ_Envelope *env;
- if (NULL == buf)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Transmission failed, buffer invalid!\n");
- return 0;
- }
+ extra = GNUNET_CORE_get_mq_options (GNUNET_YES,
+ GNUNET_CORE_PRIO_BEST_EFFORT,
+ &flags);
uri_size = strlen (hostlist_uri) + 1;
- transmission_size = sizeof (struct GNUNET_MessageHeader) + uri_size;
- header.type = htons (GNUNET_MESSAGE_TYPE_HOSTLIST_ADVERTISEMENT);
- header.size = htons (transmission_size);
- GNUNET_assert (size >= transmission_size);
- memcpy (buf, &header, sizeof (struct GNUNET_MessageHeader));
- cbuf = buf;
- memcpy (&cbuf[sizeof (struct GNUNET_MessageHeader)], hostlist_uri, uri_size);
+ env = GNUNET_MQ_msg_extra (header,
+ uri_size,
+ GNUNET_MESSAGE_TYPE_HOSTLIST_ADVERTISEMENT);
+ GNUNET_memcpy (&header[1],
+ hostlist_uri,
+ uri_size);
+ GNUNET_MQ_env_set_options (env,
+ flags,
+ extra);
+ GNUNET_MQ_send (mq,
+ env);
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Sent advertisement message: Copied %u bytes into buffer!\n",
- (unsigned int) transmission_size);
+ (unsigned int) uri_size);
hostlist_adv_count++;
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, " # Sent advertisement message: %u\n",
- hostlist_adv_count);
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ " # Sent advertisement message: %llu\n",
+ (unsigned long long) hostlist_adv_count);
GNUNET_STATISTICS_update (stats,
gettext_noop ("# hostlist advertisements send"), 1,
GNUNET_NO);
- return transmission_size;
}
*
* @param cls closure
* @param peer peer identity this notification is about
+ * @param mq queue for transmission to @a peer
+ * @return NULL (must!)
*/
-static void
+static void *
connect_handler (void *cls,
- const struct GNUNET_PeerIdentity *peer)
+ const struct GNUNET_PeerIdentity *peer,
+ struct GNUNET_MQ_Handle *mq)
{
size_t size;
- if (!advertising)
- return;
+ if (! advertising)
+ return NULL;
if (NULL == hostlist_uri)
- return;
+ return NULL;
size = strlen (hostlist_uri) + 1;
if (size + sizeof (struct GNUNET_MessageHeader) >=
- GNUNET_SERVER_MAX_MESSAGE_SIZE)
+ GNUNET_MAX_MESSAGE_SIZE)
{
GNUNET_break (0);
- return;
+ return NULL;
}
size += sizeof (struct GNUNET_MessageHeader);
if (NULL == core)
{
GNUNET_break (0);
- return;
+ return NULL;
}
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Asked CORE to transmit advertisement message with a size of %u bytes to peer `%s'\n",
- size,
+ (unsigned int) size,
GNUNET_i2s (peer));
- if (NULL ==
- GNUNET_CORE_notify_transmit_ready (core, GNUNET_YES,
- GNUNET_CORE_PRIO_BEST_EFFORT,
- GNUNET_ADV_TIMEOUT,
- peer,
- size,
- &adv_transmit_ready, NULL))
- {
- GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
- _("Advertisement message could not be queued by core\n"));
- }
-}
-
-
-/**
- * Method called whenever a given peer disconnects.
- *
- * @param cls closure
- * @param peer peer identity this notification is about
- */
-static void
-disconnect_handler (void *cls,
- const struct GNUNET_PeerIdentity *peer)
-{
- /* nothing to do */
+ adv_transmit (mq);
+ return NULL;
}
builder = GNUNET_new (struct HostSet);
}
GNUNET_assert (NULL != peerinfo);
- builder->pitr =
- GNUNET_PEERINFO_iterate (peerinfo, GNUNET_NO, NULL, GNUNET_TIME_UNIT_MINUTES,
+ builder->pitr
+ = GNUNET_PEERINFO_iterate (peerinfo,
+ GNUNET_NO, NULL,
&host_processor, NULL);
}
* Function that queries MHD's select sets and
* starts the task waiting for them.
*/
-static GNUNET_SCHEDULER_TaskIdentifier
+static struct GNUNET_SCHEDULER_Task *
prepare_daemon (struct MHD_Daemon *daemon_handle);
* and schedule the next run.
*
* @param cls the `struct MHD_Daemon` of the HTTP server to run
- * @param tc scheduler context
*/
static void
-run_daemon (void *cls,
- const struct GNUNET_SCHEDULER_TaskContext *tc)
+run_daemon (void *cls)
{
struct MHD_Daemon *daemon_handle = cls;
if (daemon_handle == daemon_handle_v4)
- hostlist_task_v4 = GNUNET_SCHEDULER_NO_TASK;
+ hostlist_task_v4 = NULL;
else
- hostlist_task_v6 = GNUNET_SCHEDULER_NO_TASK;
-
- if (0 != (tc->reason & GNUNET_SCHEDULER_REASON_SHUTDOWN))
- return;
+ hostlist_task_v6 = NULL;
GNUNET_assert (MHD_YES == MHD_run (daemon_handle));
if (daemon_handle == daemon_handle_v4)
hostlist_task_v4 = prepare_daemon (daemon_handle);
*
* @param daemon_handle HTTP server to prepare to run
*/
-static GNUNET_SCHEDULER_TaskIdentifier
+static struct GNUNET_SCHEDULER_Task *
prepare_daemon (struct MHD_Daemon *daemon_handle)
{
- GNUNET_SCHEDULER_TaskIdentifier ret;
+ struct GNUNET_SCHEDULER_Task * ret;
fd_set rs;
fd_set ws;
fd_set es;
wrs = GNUNET_NETWORK_fdset_create ();
wws = GNUNET_NETWORK_fdset_create ();
max = -1;
- GNUNET_assert (MHD_YES == MHD_get_fdset (daemon_handle, &rs, &ws, &es, &max));
+ GNUNET_assert (MHD_YES ==
+ MHD_get_fdset (daemon_handle,
+ &rs, &ws, &es, &max));
haveto = MHD_get_timeout (daemon_handle, &timeout);
if (haveto == MHD_YES)
tv.rel_value_us = (uint64_t) timeout * 1000LL;
tv = GNUNET_TIME_UNIT_FOREVER_REL;
GNUNET_NETWORK_fdset_copy_native (wrs, &rs, max + 1);
GNUNET_NETWORK_fdset_copy_native (wws, &ws, max + 1);
- ret =
- GNUNET_SCHEDULER_add_select (GNUNET_SCHEDULER_PRIORITY_HIGH,
- tv, wrs, wws,
- &run_daemon, daemon_handle);
+ ret = GNUNET_SCHEDULER_add_select (GNUNET_SCHEDULER_PRIORITY_HIGH,
+ tv, wrs, wws,
+ &run_daemon, daemon_handle);
GNUNET_NETWORK_fdset_destroy (wrs);
GNUNET_NETWORK_fdset_destroy (wws);
return ret;
* @param c configuration to use
* @param st statistics handle to use
* @param co core handle to use
- * @param server_ch[OUT] set to handler for CORE connect events
- * @param server_dh[OUT] set to handler for CORE disconnect events
+ * @param[out] server_ch set to handler for CORE connect events
* @param advertise #GNUNET_YES if we should advertise our hostlist
* @return #GNUNET_OK on success
*/
struct GNUNET_STATISTICS_Handle *st,
struct GNUNET_CORE_Handle *co,
GNUNET_CORE_ConnectEventHandler *server_ch,
- GNUNET_CORE_DisconnectEventHandler *server_dh,
int advertise)
{
unsigned long long port;
advertising = advertise;
if (! advertising)
+ {
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Advertising not enabled on this hostlist server\n");
+ }
else
+ {
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Advertising enabled on this hostlist server\n");
+ }
cfg = c;
stats = st;
peerinfo = GNUNET_PEERINFO_connect (cfg);
if (GNUNET_CONFIGURATION_have_value (cfg, "HOSTLIST", "BINDTOIPV4"))
{
- GNUNET_break (GNUNET_OK ==
- GNUNET_CONFIGURATION_get_value_string (cfg, "HOSTLIST",
- "BINDTOIP", &ipv4));
+ if (GNUNET_OK !=
+ GNUNET_CONFIGURATION_get_value_string (cfg, "HOSTLIST",
+ "BINDTOIP", &ipv4))
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+ _("BINDTOIP does not a valid IPv4 address! Ignoring BINDTOIPV4.\n"));
+ }
+
}
else
ipv4 = NULL;
- if (GNUNET_CONFIGURATION_have_value (cfg, "HOSTLIST", "BINDTOIPV6"))
- {
- GNUNET_break (GNUNET_OK ==
- GNUNET_CONFIGURATION_get_value_string (cfg, "HOSTLIST",
- "BINDTOIP", &ipv6));
+ if (GNUNET_CONFIGURATION_have_value (cfg,
+ "HOSTLIST",
+ "BINDTOIPV6"))
+ {
+ if (GNUNET_OK !=
+ GNUNET_CONFIGURATION_get_value_string (cfg,
+ "HOSTLIST",
+ "BINDTOIP",
+ &ipv6))
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+ _("BINDTOIP does not a valid IPv4 address! Ignoring BINDTOIPV6.\n"));
+ }
}
else
ipv6 = NULL;
&accept_policy_callback, NULL,
&access_handler_callback, NULL,
MHD_OPTION_CONNECTION_LIMIT,
- (unsigned int) 16,
+ (unsigned int) 128,
MHD_OPTION_PER_IP_CONNECTION_LIMIT,
- (unsigned int) 1,
+ (unsigned int) 32,
MHD_OPTION_CONNECTION_TIMEOUT,
(unsigned int) 16,
MHD_OPTION_CONNECTION_MEMORY_LIMIT,
&accept_policy_callback, NULL,
&access_handler_callback, NULL,
MHD_OPTION_CONNECTION_LIMIT,
- (unsigned int) 16,
+ (unsigned int) 128,
MHD_OPTION_PER_IP_CONNECTION_LIMIT,
- (unsigned int) 1,
+ (unsigned int) 32,
MHD_OPTION_CONNECTION_TIMEOUT,
(unsigned int) 16,
MHD_OPTION_CONNECTION_MEMORY_LIMIT,
core = co;
*server_ch = &connect_handler;
- *server_dh = &disconnect_handler;
if (NULL != daemon_handle_v4)
hostlist_task_v4 = prepare_daemon (daemon_handle_v4);
if (NULL != daemon_handle_v6)
hostlist_task_v6 = prepare_daemon (daemon_handle_v6);
- notify = GNUNET_PEERINFO_notify (cfg, GNUNET_NO,
+ notify = GNUNET_PEERINFO_notify (cfg,
+ GNUNET_NO,
&process_notify, NULL);
return GNUNET_OK;
}
void
GNUNET_HOSTLIST_server_stop ()
{
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Hostlist server shutdown\n");
- if (GNUNET_SCHEDULER_NO_TASK != hostlist_task_v6)
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Hostlist server shutdown\n");
+ if (NULL != hostlist_task_v6)
{
GNUNET_SCHEDULER_cancel (hostlist_task_v6);
- hostlist_task_v6 = GNUNET_SCHEDULER_NO_TASK;
+ hostlist_task_v6 = NULL;
}
- if (GNUNET_SCHEDULER_NO_TASK != hostlist_task_v4)
+ if (NULL != hostlist_task_v4)
{
GNUNET_SCHEDULER_cancel (hostlist_task_v4);
- hostlist_task_v4 = GNUNET_SCHEDULER_NO_TASK;
+ hostlist_task_v4 = NULL;
}
if (NULL != daemon_handle_v4)
{
}
GNUNET_free_non_null (builder->data);
GNUNET_free (builder);
+ builder = NULL;
}
if (NULL != peerinfo)
{
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