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/*
This file is part of libmicrohttpd
Copyright (C) 2007-2018 Daniel Pittman and Christian Grothoff
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/**
* @file lib/connection_options.c
* @brief functions to set per-connection options
* @author Christian Grothoff
*/
#include "internal.h"
/**
* Set custom timeout for the given connection. Specified as the
* number of seconds. Use zero for no timeout. Calling this function
* will reset timeout timer.
*
* @param connection connection to configure timeout for
* @param timeout_s new timeout in seconds
*/
void
MHD_connection_set_timeout (struct MHD_Connection *connection,
unsigned int timeout_s)
{
struct MHD_Daemon *daemon = connection->daemon;
connection->last_activity = MHD_monotonic_sec_counter();
if (MHD_TM_THREAD_PER_CONNECTION == daemon->threading_model)
{
/* Simple case, no need to lock to update DLLs */
connection->connection_timeout = (time_t) timeout_s;
return;
}
MHD_mutex_lock_chk_ (&daemon->cleanup_connection_mutex);
if (! connection->suspended)
{
if (connection->connection_timeout == daemon->connection_timeout)
XDLL_remove (daemon->normal_timeout_head,
daemon->normal_timeout_tail,
connection);
else
XDLL_remove (daemon->manual_timeout_head,
daemon->manual_timeout_tail,
connection);
}
connection->connection_timeout = (time_t) timeout_s;
if (! connection->suspended)
{
if (connection->connection_timeout == daemon->connection_timeout)
XDLL_insert (daemon->normal_timeout_head,
daemon->normal_timeout_tail,
connection);
else
XDLL_insert (daemon->manual_timeout_head,
daemon->manual_timeout_tail,
connection);
}
MHD_mutex_unlock_chk_ (&daemon->cleanup_connection_mutex);
}
/**
* Update the 'last_activity' field of the connection to the current
* time and move the connection to the head of the 'normal_timeout'
* list if the timeout for the connection uses the default value.
*
* @param connection the connection that saw some activity
*/
void
MHD_update_last_activity_ (struct MHD_Connection *connection)
{
struct MHD_Daemon *daemon = connection->daemon;
if (0 == connection->connection_timeout)
return; /* Skip update of activity for connections
without timeout timer. */
if (connection->suspended)
return; /* no activity on suspended connections */
connection->last_activity = MHD_monotonic_sec_counter();
if (MHD_TM_THREAD_PER_CONNECTION == daemon->threading_model)
return; /* each connection has personal timeout */
if (connection->connection_timeout != daemon->connection_timeout)
return; /* custom timeout, no need to move it in "normal" DLL */
MHD_mutex_lock_chk_ (&daemon->cleanup_connection_mutex);
/* move connection to head of timeout list (by remove + add operation) */
XDLL_remove (daemon->normal_timeout_head,
daemon->normal_timeout_tail,
connection);
XDLL_insert (daemon->normal_timeout_head,
daemon->normal_timeout_tail,
connection);
MHD_mutex_unlock_chk_ (&daemon->cleanup_connection_mutex);
}
/* end of connection_options.c */
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