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| -rw-r--r-- | contrib/epee/include/soci_helper.h | 142 |
1 files changed, 142 insertions, 0 deletions
diff --git a/contrib/epee/include/soci_helper.h b/contrib/epee/include/soci_helper.h new file mode 100644 index 000000000..a154f97fc --- /dev/null +++ b/contrib/epee/include/soci_helper.h @@ -0,0 +1,142 @@ +// Copyright (c) 2006-2013, Andrey N. Sabelnikov, www.sabelnikov.net +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are met: +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above copyright +// notice, this list of conditions and the following disclaimer in the +// documentation and/or other materials provided with the distribution. +// * Neither the name of the Andrey N. Sabelnikov nor the +// names of its contributors may be used to endorse or promote products +// derived from this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND +// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED +// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE +// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER BE LIABLE FOR ANY +// DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES +// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; +// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND +// ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS +// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +// + + +#pragma once +#include "soci.h" +#include "soci-postgresql.h" + +using namespace epee; +namespace soci +{ + + template <> + struct type_conversion<boost::uint64_t> + { + typedef long long base_type; + + static void from_base(base_type a_, indicator ind, boost::uint64_t & mi) + { + if (ind == i_null) + { + mi = 0; + //throw soci_error("Null value not allowed for this type"); + } + mi = (boost::uint64_t)a_; + //mi.set(i); + } + + static void to_base(const boost::uint64_t & mi, base_type & i, indicator & ind) + { + i = (base_type)mi; + ind = i_ok; + } + }; + + + + template <> + struct type_conversion<bool> + { + typedef int base_type; + + static void from_base(base_type a_, indicator ind, bool& mi) + { + if (ind == i_null) + { + mi = false; + //throw soci_error("Null value not allowed for this type"); + } + mi = a_? true:false; + //mi.set(i); + } + + static void to_base(const bool & mi, base_type & i, indicator & ind) + { + i = mi? 1:0; + ind = i_ok; + } + }; + + + + class per_thread_session + { + public: + bool init(const std::string& connection_string) + { + m_connection_string = connection_string; + + return true; + } + + soci::session& get() + { + + //soci::session + + m_db_connections_lock.lock(); + boost::shared_ptr<soci::session>& conn_ptr = m_db_connections[epee::misc_utils::get_thread_string_id()]; + m_db_connections_lock.unlock(); + if(!conn_ptr.get()) + { + conn_ptr.reset(new soci::session(soci::postgresql, m_connection_string)); + } + //init new connection + return *conn_ptr.get(); + } + + bool reopen() + { + //soci::session + + m_db_connections_lock.lock(); + boost::shared_ptr<soci::session>& conn_ptr = m_db_connections[misc_utils::get_thread_string_id()]; + m_db_connections_lock.unlock(); + if(conn_ptr.get()) + { + conn_ptr->close(); + conn_ptr.reset(new soci::session(soci::postgresql, m_connection_string)); + } + + //init new connection + return true; + } + + //---------------------------------------------------------------------------------------------- + bool check_status() + { + return true; + } + + protected: + private: + std::map<std::string, boost::shared_ptr<soci::session> > m_db_connections; + epee::critical_section m_db_connections_lock; + std::string m_connection_string; + }; +} +/*}*/
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