mirror of
https://github.com/Telecominfraproject/wlan-cloud-lib-poco.git
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164 lines
3.7 KiB
C++
164 lines
3.7 KiB
C++
//
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// SesssionHandle.cpp
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//
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// $Id: //poco/1.4/Data/MySQL/src/SessionHandle.cpp#2 $
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//
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// Library: Data/MySQL
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// Package: MySQL
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// Module: SessionHandle
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//
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// Copyright (c) 2008, Applied Informatics Software Engineering GmbH.
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// and Contributors.
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//
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// Permission is hereby granted, free of charge, to any person or organization
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// obtaining a copy of the software and accompanying documentation covered by
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// this license (the "Software") to use, reproduce, display, distribute,
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// execute, and transmit the Software, and to prepare derivative works of the
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// Software, and to permit third-parties to whom the Software is furnished to
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// do so, all subject to the following:
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//
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// The copyright notices in the Software and this entire statement, including
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// the above license grant, this restriction and the following disclaimer,
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// must be included in all copies of the Software, in whole or in part, and
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// all derivative works of the Software, unless such copies or derivative
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// works are solely in the form of machine-executable object code generated by
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// a source language processor.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
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// SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
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// FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
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// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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// DEALINGS IN THE SOFTWARE.
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//
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#include "Poco/Data/MySQL/SessionHandle.h"
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#include "Poco/SingletonHolder.h"
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#include <cstring>
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#ifdef POCO_OS_FAMILY_UNIX
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#include <pthread.h>
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#endif
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namespace Poco {
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namespace Data {
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namespace MySQL {
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#ifdef POCO_OS_FAMILY_UNIX
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class ThreadCleanupHelper
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{
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public:
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ThreadCleanupHelper()
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{
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if (pthread_key_create(&_key, &ThreadCleanupHelper::cleanup) != 0)
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throw Poco::SystemException("cannot create TLS key for mysql cleanup");
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}
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void init()
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{
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if (pthread_setspecific(_key, reinterpret_cast<void*>(1)))
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throw Poco::SystemException("cannot set TLS key for mysql cleanup");
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}
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static ThreadCleanupHelper& instance()
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{
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return *_sh.get();
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}
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static void cleanup(void* data)
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{
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mysql_thread_end();
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}
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private:
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pthread_key_t _key;
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static Poco::SingletonHolder<ThreadCleanupHelper> _sh;
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};
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Poco::SingletonHolder<ThreadCleanupHelper> ThreadCleanupHelper::_sh;
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#endif
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SessionHandle::SessionHandle(MYSQL* mysql)
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{
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h = mysql_init(mysql);
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if (!h)
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{
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throw ConnectionException("mysql_init error");
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}
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#ifdef POCO_OS_FAMILY_UNIX
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ThreadCleanupHelper::instance().init();
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#endif
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}
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SessionHandle::~SessionHandle()
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{
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close();
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}
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void SessionHandle::options(mysql_option opt)
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{
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int res = mysql_options(h, opt, 0);
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if (res != 0)
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{
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throw ConnectionException("mysql_options error", h);
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}
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}
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void SessionHandle::options(mysql_option opt, bool b)
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{
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my_bool tmp = b;
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int res = mysql_options(h, opt, &tmp);
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if (res != 0)
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{
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throw ConnectionException("mysql_options error", h);
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}
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}
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void SessionHandle::connect(const char* host, const char* user, const char* password, const char* db, unsigned int port)
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{
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if (!mysql_real_connect(h, host, user, password, db, port, 0, 0))
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{
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throw ConnectionException("create session: mysql_real_connect error", h);
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}
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}
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void SessionHandle::close()
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{
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if (h)
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{
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mysql_close(h);
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h = 0;
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}
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}
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void SessionHandle::query(const char* str)
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{
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int res = mysql_real_query(h, str, static_cast<unsigned long>(std::strlen(str)));
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if (res != 0)
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{
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std::string msg;
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msg += "mysql_real_query('";
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msg += str;
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msg += "') error";
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throw ConnectionException(msg, h);
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}
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}
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} } } // namespace Poco::Data::MySQL
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