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Diffstat (limited to '')
| -rw-r--r-- | contrib/epee/include/net/levin_helper.h | 161 |
1 files changed, 0 insertions, 161 deletions
diff --git a/contrib/epee/include/net/levin_helper.h b/contrib/epee/include/net/levin_helper.h deleted file mode 100644 index 541e0948d..000000000 --- a/contrib/epee/include/net/levin_helper.h +++ /dev/null @@ -1,161 +0,0 @@ -// 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 "levin_base.h" -#include "serializeble_struct_helper.h" -#include "int-util.h" - -#undef MONERO_DEFAULT_LOG_CATEGORY -#define MONERO_DEFAULT_LOG_CATEGORY "net" - -namespace epee -{ -namespace levin -{ - template<class t_struct> - bool pack_struct_to_levin_message(const t_struct& t, std::string& buff, int command_id) - { - buff.resize(sizeof(levin::bucket_head)); - levin::bucket_head& head = *(levin::bucket_head*)(&buff[0]); - head.m_signature = SWAP64LE(LEVIN_SIGNATURE); - head.m_cb = 0; - head.m_have_to_return_data = 1; - head.m_command = SWAP32LE(command_id); - head.m_return_code = SWAP32LE(1); - head.m_reservedA = rand(); //probably some flags in future - head.m_reservedB = rand(); //probably some check summ in future - - std::string buff_strg; - if(!StorageNamed::save_struct_as_storage_to_buff_t<t_struct, StorageNamed::DefaultStorageType>(t, buff_strg)) - return false; - - head.m_cb = SWAP64LE(buff_strg.size()); - buff.append(buff_strg); - return true; - } - - - bool pack_data_to_levin_message(const std::string& data, std::string& buff, int command_id) - { - buff.resize(sizeof(levin::bucket_head)); - levin::bucket_head& head = *(levin::bucket_head*)(&buff[0]); - head.m_signature = SWAP64LE(LEVIN_SIGNATURE); - head.m_cb = 0; - head.m_have_to_return_data = 1; - head.m_command = SWAP32LE(command_id); - head.m_return_code = SWAP32LE(1); - head.m_reservedA = rand(); //probably some flags in future - head.m_reservedB = rand(); //probably some check summ in future - - head.m_cb = SWAP64LE(data.size()); - buff.append(data); - return true; - } - - bool load_levin_data_from_levin_message(std::string& levin_data, const std::string& buff, int& command) - { - if(buff.size() < sizeof(levin::bucket_head) ) - { - LOG_PRINT_L3("size of buff(" << buff.size() << ") is too small, at load_struct_from_levin_message"); - return false; - } - -#if BYTE_ORDER == LITTLE_ENDIAN - levin::bucket_head &head = *(levin::bucket_head*)(&buff[0]); -#else - levin::bucket_head head = *(levin::bucket_head*)(&buff[0]); - head.m_signature = SWAP64LE(head.m_signature); - head.m_cb = SWAP64LE(head.m_cb); - head.m_command = SWAP32LE(head.m_command); - head.m_return_code = SWAP32LE(head.m_return_code); - head.m_reservedA = SWAP32LE(head.m_reservedA); - head.m_reservedB = SWAP32LE(head.m_reservedB); -#endif - if(head.m_signature != LEVIN_SIGNATURE) - { - LOG_PRINT_L3("Failed to read signature in levin message, at load_struct_from_levin_message"); - return false; - } - if(head.m_cb != buff.size()-sizeof(levin::bucket_head)) - { - LOG_PRINT_L3("sizes mismatch, at load_struct_from_levin_message"); - return false; - } - - //std::string buff_strg; - levin_data.assign(&buff[sizeof(levin::bucket_head)], buff.size()-sizeof(levin::bucket_head)); - command = head.m_command; - return true; - } - - template<class t_struct> - bool load_struct_from_levin_message(t_struct& t, const std::string& buff, int& command) - { - if(buff.size() < sizeof(levin::bucket_head) ) - { - LOG_ERROR("size of buff(" << buff.size() << ") is too small, at load_struct_from_levin_message"); - return false; - } - -#if BYTE_ORDER == LITTLE_ENDIAN - levin::bucket_head &head = *(levin::bucket_head*)(&buff[0]); -#else - levin::bucket_head head = *(levin::bucket_head*)(&buff[0]); - head.m_signature = SWAP64LE(head.m_signature); - head.m_cb = SWAP64LE(head.m_cb); - head.m_command = SWAP32LE(head.m_command); - head.m_return_code = SWAP32LE(head.m_return_code); - head.m_reservedA = SWAP32LE(head.m_reservedA); - head.m_reservedB = SWAP32LE(head.m_reservedB); -#endif - if(head.m_signature != LEVIN_SIGNATURE) - { - LOG_ERROR("Failed to read signature in levin message, at load_struct_from_levin_message"); - return false; - } - if(head.m_cb != buff.size()-sizeof(levin::bucket_head)) - { - LOG_ERROR("sizes mismatch, at load_struct_from_levin_message"); - return false; - } - - std::string buff_strg; - buff_strg.assign(&buff[sizeof(levin::bucket_head)], buff.size()-sizeof(levin::bucket_head)); - - if(!StorageNamed::load_struct_from_storage_buff_t<t_struct, StorageNamed::DefaultStorageType>(t, buff_strg)) - { - LOG_ERROR("Failed to read storage, at load_struct_from_levin_message"); - return false; - } - command = head.m_command; - return true; - } -} -} |