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arangodb/Rest/Initialise.cpp

156 lines
3.7 KiB
C++

////////////////////////////////////////////////////////////////////////////////
/// @brief force symbols into programm
///
/// @file
///
/// DISCLAIMER
///
/// Copyright 2010-2011 triagens GmbH, Cologne, Germany
///
/// Licensed under the Apache License, Version 2.0 (the "License");
/// you may not use this file except in compliance with the License.
/// You may obtain a copy of the License at
///
/// http://www.apache.org/licenses/LICENSE-2.0
///
/// Unless required by applicable law or agreed to in writing, software
/// distributed under the License is distributed on an "AS IS" BASIS,
/// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
/// See the License for the specific language governing permissions and
/// limitations under the License.
///
/// Copyright holder is triAGENS GmbH, Cologne, Germany
///
/// @author Dr. Frank Celler
/// @author Copyright 2009-2011, triAGENS GmbH, Cologne, Germany
////////////////////////////////////////////////////////////////////////////////
#include "Initialise.h"
#include <build.h>
#include <Basics/Initialise.h>
#include <Logger/Logger.h>
#include <Rest/Url.h>
#include <openssl/ssl.h>
#include <openssl/err.h>
#define OPENSSL_THREAD_DEFINES
#include <openssl/opensslconf.h>
#ifndef OPENSSL_THREADS
#error missing thread support for openssl, please recomple OpenSSL with threads
#endif
// -----------------------------------------------------------------------------
// OPEN SSL support
// -----------------------------------------------------------------------------
#ifdef TRI_HAVE_POSIX_THREADS
namespace {
long* opensslLockCount;
pthread_mutex_t* opensslLocks;
unsigned long opensslThreadId () {
return (unsigned long) pthread_self();
}
void opensslLockingCallback (int mode, int type, char const* /* file */, int /* line */) {
if (mode & CRYPTO_LOCK) {
pthread_mutex_lock(&(opensslLocks[type]));
opensslLockCount[type]++;
}
else {
pthread_mutex_unlock(&(opensslLocks[type]));
}
}
void opensslSetup () {
opensslLockCount = (long*) OPENSSL_malloc(CRYPTO_num_locks() * sizeof(long));
opensslLocks = (pthread_mutex_t*) OPENSSL_malloc(CRYPTO_num_locks() * sizeof(pthread_mutex_t));
for (long i = 0; i < CRYPTO_num_locks(); ++i) {
opensslLockCount[i] = 0;
pthread_mutex_init(&(opensslLocks[i]), 0);
}
CRYPTO_set_id_callback(opensslThreadId);
CRYPTO_set_locking_callback(opensslLockingCallback);
}
void opensslCleanup () {
CRYPTO_set_locking_callback(0);
for (long i = 0; i < CRYPTO_num_locks(); ++i) {
pthread_mutex_destroy(&(opensslLocks[i]));
}
OPENSSL_free(opensslLocks);
OPENSSL_free(opensslLockCount);
}
}
#endif
// -----------------------------------------------------------------------------
// initialisation
// -----------------------------------------------------------------------------
namespace triagens {
namespace rest {
void InitialiseRest () {
TRIAGENS_BASICS_INITIALISE;
TRI_InitialiseUrl();
string revision = "$Revision: REST " TRIAGENS_VERSION " (c) triAGENS GmbH $";
LOGGER_TRACE << revision;
SSL_library_init();
SSL_load_error_strings();
OpenSSL_add_all_algorithms();
ERR_load_crypto_strings();
#ifdef TRI_OPENSSL_VERSION
revision = "$Revision: OPENSSL " TRI_OPENSSL_VERSION " $";
LOGGER_TRACE << revision;
#endif
#ifdef TRI_LIBEV_VERSION
revision = "$Revision: LIBEV " TRI_LIBEV_VERSION " $";
LOGGER_TRACE << revision;
#endif
#ifdef TRI_HAVE_POSIX_THREADS
opensslSetup();
#endif
}
void ShutdownRest () {
#ifdef TRI_HAVE_POSIX_THREADS
opensslCleanup();
#endif
TRI_ShutdownUrl();
TRIAGENS_BASICS_SHUTDOWN;
}
}
}