diff options
Diffstat (limited to 'contrib/epee')
| -rw-r--r-- | contrib/epee/include/net/buffer.h | 62 | ||||
| -rw-r--r-- | contrib/epee/include/net/http_server_handlers_map2.h | 2 | ||||
| -rw-r--r-- | contrib/epee/include/net/levin_base.h | 4 | ||||
| -rw-r--r-- | contrib/epee/include/net/levin_client.h | 4 | ||||
| -rw-r--r-- | contrib/epee/include/net/levin_client.inl | 4 | ||||
| -rw-r--r-- | contrib/epee/include/net/levin_protocol_handler_async.h | 61 | ||||
| -rw-r--r-- | contrib/epee/include/span.h | 8 | ||||
| -rw-r--r-- | contrib/epee/include/storages/http_abstract_invoke.h | 2 | ||||
| -rw-r--r-- | contrib/epee/include/storages/levin_abstract_invoke2.h | 21 | ||||
| -rw-r--r-- | contrib/epee/include/storages/portable_storage.h | 6 | ||||
| -rw-r--r-- | contrib/epee/include/storages/portable_storage_template_helper.h | 8 | ||||
| -rw-r--r-- | contrib/epee/src/CMakeLists.txt | 2 | ||||
| -rw-r--r-- | contrib/epee/src/buffer.cpp | 97 |
13 files changed, 226 insertions, 55 deletions
diff --git a/contrib/epee/include/net/buffer.h b/contrib/epee/include/net/buffer.h new file mode 100644 index 000000000..56c67f6bf --- /dev/null +++ b/contrib/epee/include/net/buffer.h @@ -0,0 +1,62 @@ +// Copyright (c) 2018, The Monero Project +// +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without modification, are +// permitted provided that the following conditions are met: +// +// 1. Redistributions of source code must retain the above copyright notice, this list of +// conditions and the following disclaimer. +// +// 2. 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. +// +// 3. Neither the name of the copyright holder 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 HOLDER OR CONTRIBUTORS 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 <vector> +#include "misc_log_ex.h" +#include "span.h" + +#undef MONERO_DEFAULT_LOG_CATEGORY +#define MONERO_DEFAULT_LOG_CATEGORY "net.buffer" + +//#define NET_BUFFER_LOG(x) MDEBUG(x) +#define NET_BUFFER_LOG(x) ((void)0) + +namespace epee +{ +namespace net_utils +{ +class buffer +{ +public: + buffer(size_t reserve = 0): offset(0) { storage.reserve(reserve); } + + void append(const void *data, size_t sz); + void erase(size_t sz) { NET_BUFFER_LOG("erasing " << sz << "/" << size()); CHECK_AND_ASSERT_THROW_MES(offset + sz <= storage.size(), "erase: sz too large"); offset += sz; if (offset == storage.size()) { storage.resize(0); offset = 0; } } + epee::span<const uint8_t> span(size_t sz) const { CHECK_AND_ASSERT_THROW_MES(sz <= size(), "span is too large"); return epee::span<const uint8_t>(storage.data() + offset, sz); } + // carve must keep the data in scope till next call, other API calls (such as append, erase) can invalidate the carved buffer + epee::span<const uint8_t> carve(size_t sz) { CHECK_AND_ASSERT_THROW_MES(sz <= size(), "span is too large"); offset += sz; return epee::span<const uint8_t>(storage.data() + offset - sz, sz); } + size_t size() const { return storage.size() - offset; } + +private: + std::vector<uint8_t> storage; + size_t offset; +}; +} +} diff --git a/contrib/epee/include/net/http_server_handlers_map2.h b/contrib/epee/include/net/http_server_handlers_map2.h index 997c801d1..64d035df9 100644 --- a/contrib/epee/include/net/http_server_handlers_map2.h +++ b/contrib/epee/include/net/http_server_handlers_map2.h @@ -92,7 +92,7 @@ handled = true; \ uint64_t ticks = misc_utils::get_tick_count(); \ boost::value_initialized<command_type::request> req; \ - bool parse_res = epee::serialization::load_t_from_binary(static_cast<command_type::request&>(req), query_info.m_body); \ + bool parse_res = epee::serialization::load_t_from_binary(static_cast<command_type::request&>(req), epee::strspan<uint8_t>(query_info.m_body)); \ CHECK_AND_ASSERT_MES(parse_res, false, "Failed to parse bin body data, body size=" << query_info.m_body.size()); \ uint64_t ticks1 = misc_utils::get_tick_count(); \ boost::value_initialized<command_type::response> resp;\ diff --git a/contrib/epee/include/net/levin_base.h b/contrib/epee/include/net/levin_base.h index 7d060f5ef..a88a1eb49 100644 --- a/contrib/epee/include/net/levin_base.h +++ b/contrib/epee/include/net/levin_base.h @@ -80,8 +80,8 @@ namespace levin template<class t_connection_context = net_utils::connection_context_base> struct levin_commands_handler { - virtual int invoke(int command, const std::string& in_buff, std::string& buff_out, t_connection_context& context)=0; - virtual int notify(int command, const std::string& in_buff, t_connection_context& context)=0; + virtual int invoke(int command, const epee::span<const uint8_t> in_buff, std::string& buff_out, t_connection_context& context)=0; + virtual int notify(int command, const epee::span<const uint8_t> in_buff, t_connection_context& context)=0; virtual void callback(t_connection_context& context){}; virtual void on_connection_new(t_connection_context& context){}; diff --git a/contrib/epee/include/net/levin_client.h b/contrib/epee/include/net/levin_client.h index 335f6ba02..76d528234 100644 --- a/contrib/epee/include/net/levin_client.h +++ b/contrib/epee/include/net/levin_client.h @@ -57,7 +57,7 @@ namespace levin bool is_connected(); bool disconnect(); - virtual int invoke(int command, const std::string& in_buff, std::string& buff_out); + virtual int invoke(int command, const epee::span<const uint8_t> in_buff, std::string& buff_out); virtual int notify(int command, const std::string& in_buff); protected: @@ -72,7 +72,7 @@ namespace levin { public: - int invoke(int command, const std::string& in_buff, std::string& buff_out); + int invoke(int command, const epee::span<const uint8_t> in_buff, std::string& buff_out); int notify(int command, const std::string& in_buff); }; diff --git a/contrib/epee/include/net/levin_client.inl b/contrib/epee/include/net/levin_client.inl index a580e81fd..2f048b027 100644 --- a/contrib/epee/include/net/levin_client.inl +++ b/contrib/epee/include/net/levin_client.inl @@ -74,7 +74,7 @@ levin_client_impl::~levin_client_impl() } //------------------------------------------------------------------------------ inline -int levin_client_impl::invoke(int command, const std::string& in_buff, std::string& buff_out) +int levin_client_impl::invoke(int command, const epee::span<const uint8_t> in_buff, std::string& buff_out) { if(!is_connected()) return -1; @@ -133,7 +133,7 @@ int levin_client_impl::notify(int command, const std::string& in_buff) //------------------------------------------------------------------------------ //------------------------------------------------------------------------------ inline - int levin_client_impl2::invoke(int command, const std::string& in_buff, std::string& buff_out) + int levin_client_impl2::invoke(int command, epee::span<const uint8_t>string& in_buff, std::string& buff_out) { if(!is_connected()) return -1; diff --git a/contrib/epee/include/net/levin_protocol_handler_async.h b/contrib/epee/include/net/levin_protocol_handler_async.h index 6b1528caf..264b7aec4 100644 --- a/contrib/epee/include/net/levin_protocol_handler_async.h +++ b/contrib/epee/include/net/levin_protocol_handler_async.h @@ -34,6 +34,7 @@ #include <atomic> #include "levin_base.h" +#include "buffer.h" #include "misc_language.h" #include "syncobj.h" #include "misc_os_dependent.h" @@ -85,11 +86,11 @@ public: uint64_t m_max_packet_size; uint64_t m_invoke_timeout; - int invoke(int command, const std::string& in_buff, std::string& buff_out, boost::uuids::uuid connection_id); + int invoke(int command, const epee::span<const uint8_t> in_buff, std::string& buff_out, boost::uuids::uuid connection_id); template<class callback_t> - int invoke_async(int command, const std::string& in_buff, boost::uuids::uuid connection_id, const callback_t &cb, size_t timeout = LEVIN_DEFAULT_TIMEOUT_PRECONFIGURED); + int invoke_async(int command, const epee::span<const uint8_t> in_buff, boost::uuids::uuid connection_id, const callback_t &cb, size_t timeout = LEVIN_DEFAULT_TIMEOUT_PRECONFIGURED); - int notify(int command, const std::string& in_buff, boost::uuids::uuid connection_id); + int notify(int command, const epee::span<const uint8_t> in_buff, boost::uuids::uuid connection_id); bool close(boost::uuids::uuid connection_id); bool update_connection_context(const t_connection_context& contxt); bool request_callback(boost::uuids::uuid connection_id); @@ -143,7 +144,7 @@ public: config_type& m_config; t_connection_context& m_connection_context; - std::string m_cache_in_buffer; + net_utils::buffer m_cache_in_buffer; stream_state m_state; int32_t m_oponent_protocol_ver; @@ -151,7 +152,7 @@ public: struct invoke_response_handler_base { - virtual bool handle(int res, const std::string& buff, connection_context& context)=0; + virtual bool handle(int res, const epee::span<const uint8_t> buff, connection_context& context)=0; virtual bool is_timer_started() const=0; virtual void cancel()=0; virtual bool cancel_timer()=0; @@ -173,7 +174,7 @@ public: if(ec == boost::asio::error::operation_aborted) return; MINFO(con.get_context_ref() << "Timeout on invoke operation happened, command: " << command << " timeout: " << timeout); - std::string fake; + epee::span<const uint8_t> fake; cb(LEVIN_ERROR_CONNECTION_TIMEDOUT, fake, con.get_context_ref()); con.close(); con.finish_outer_call(); @@ -191,7 +192,7 @@ public: bool m_timer_cancelled; uint64_t m_timeout; int m_command; - virtual bool handle(int res, const std::string& buff, typename async_protocol_handler::connection_context& context) + virtual bool handle(int res, const epee::span<const uint8_t> buff, typename async_protocol_handler::connection_context& context) { if(!cancel_timer()) return false; @@ -207,7 +208,7 @@ public: { if(cancel_timer()) { - std::string fake; + epee::span<const uint8_t> fake; m_cb(LEVIN_ERROR_CONNECTION_DESTROYED, fake, m_con.get_context_ref()); m_con.finish_outer_call(); } @@ -237,7 +238,7 @@ public: if(ec == boost::asio::error::operation_aborted) return; MINFO(con.get_context_ref() << "Timeout on invoke operation happened, command: " << command << " timeout: " << timeout); - std::string fake; + epee::span<const uint8_t> fake; cb(LEVIN_ERROR_CONNECTION_TIMEDOUT, fake, con.get_context_ref()); con.close(); con.finish_outer_call(); @@ -265,6 +266,7 @@ public: m_pservice_endpoint(psnd_hndlr), m_config(config), m_connection_context(conn_context), + m_cache_in_buffer(256 * 1024), m_state(stream_state_head) { m_close_called = 0; @@ -405,14 +407,7 @@ public: break; } { - std::string buff_to_invoke; - if(m_cache_in_buffer.size() == m_current_head.m_cb) - buff_to_invoke.swap(m_cache_in_buffer); - else - { - buff_to_invoke.assign(m_cache_in_buffer, 0, (std::string::size_type)m_current_head.m_cb); - m_cache_in_buffer.erase(0, (std::string::size_type)m_current_head.m_cb); - } + epee::span<const uint8_t> buff_to_invoke = m_cache_in_buffer.carve((std::string::size_type)m_current_head.m_cb); bool is_response = (m_oponent_protocol_ver == LEVIN_PROTOCOL_VER_1 && m_current_head.m_flags&LEVIN_PACKET_RESPONSE); @@ -449,8 +444,8 @@ public: }else { CRITICAL_REGION_BEGIN(m_local_inv_buff_lock); - buff_to_invoke.swap(m_local_inv_buff); - buff_to_invoke.clear(); + m_local_inv_buff = std::string((const char*)buff_to_invoke.data(), buff_to_invoke.size()); + buff_to_invoke = epee::span<const uint8_t>((const uint8_t*)NULL, 0); m_invoke_result_code = m_current_head.m_return_code; CRITICAL_REGION_END(); boost::interprocess::ipcdetail::atomic_write32(&m_invoke_buf_ready, 1); @@ -503,7 +498,7 @@ public: { if(m_cache_in_buffer.size() < sizeof(bucket_head2)) { - if(m_cache_in_buffer.size() >= sizeof(uint64_t) && *((uint64_t*)m_cache_in_buffer.data()) != SWAP64LE(LEVIN_SIGNATURE)) + if(m_cache_in_buffer.size() >= sizeof(uint64_t) && *((uint64_t*)m_cache_in_buffer.span(8).data()) != SWAP64LE(LEVIN_SIGNATURE)) { MWARNING(m_connection_context << "Signature mismatch, connection will be closed"); return false; @@ -513,9 +508,9 @@ public: } #if BYTE_ORDER == LITTLE_ENDIAN - bucket_head2& phead = *(bucket_head2*)m_cache_in_buffer.data(); + bucket_head2& phead = *(bucket_head2*)m_cache_in_buffer.span(sizeof(bucket_head2)).data(); #else - bucket_head2 phead = *(bucket_head2*)m_cache_in_buffer.data(); + bucket_head2 phead = *(bucket_head2*)m_cache_in_buffer.span(sizeof(bucket_head2)).data(); phead.m_signature = SWAP64LE(phead.m_signature); phead.m_cb = SWAP64LE(phead.m_cb); phead.m_command = SWAP32LE(phead.m_command); @@ -530,7 +525,7 @@ public: } m_current_head = phead; - m_cache_in_buffer.erase(0, sizeof(bucket_head2)); + m_cache_in_buffer.erase(sizeof(bucket_head2)); m_state = stream_state_body; m_oponent_protocol_ver = m_current_head.m_protocol_version; if(m_current_head.m_cb > m_config.m_max_packet_size) @@ -562,7 +557,7 @@ public: } template<class callback_t> - bool async_invoke(int command, const std::string& in_buff, const callback_t &cb, size_t timeout = LEVIN_DEFAULT_TIMEOUT_PRECONFIGURED) + bool async_invoke(int command, const epee::span<const uint8_t> in_buff, const callback_t &cb, size_t timeout = LEVIN_DEFAULT_TIMEOUT_PRECONFIGURED) { misc_utils::auto_scope_leave_caller scope_exit_handler = misc_utils::create_scope_leave_handler( boost::bind(&async_protocol_handler::finish_outer_call, this)); @@ -606,7 +601,7 @@ public: break; } - if(!m_pservice_endpoint->do_send(in_buff.data(), (int)in_buff.size())) + if(!m_pservice_endpoint->do_send(in_buff.data(), in_buff.size())) { LOG_ERROR_CC(m_connection_context, "Failed to do_send"); err_code = LEVIN_ERROR_CONNECTION; @@ -623,7 +618,7 @@ public: if (LEVIN_OK != err_code) { - std::string stub_buff; + epee::span<const uint8_t> stub_buff{(const uint8_t*)"", 0}; // Never call callback inside critical section, that can cause deadlock cb(err_code, stub_buff, m_connection_context); return false; @@ -632,7 +627,7 @@ public: return true; } - int invoke(int command, const std::string& in_buff, std::string& buff_out) + int invoke(int command, const epee::span<const uint8_t> in_buff, std::string& buff_out) { misc_utils::auto_scope_leave_caller scope_exit_handler = misc_utils::create_scope_leave_handler( boost::bind(&async_protocol_handler::finish_outer_call, this)); @@ -662,7 +657,7 @@ public: return LEVIN_ERROR_CONNECTION; } - if(!m_pservice_endpoint->do_send(in_buff.data(), (int)in_buff.size())) + if(!m_pservice_endpoint->do_send(in_buff.data(), in_buff.size())) { LOG_ERROR_CC(m_connection_context, "Failed to do_send"); return LEVIN_ERROR_CONNECTION; @@ -706,7 +701,7 @@ public: return m_invoke_result_code; } - int notify(int command, const std::string& in_buff) + int notify(int command, const epee::span<const uint8_t> in_buff) { misc_utils::auto_scope_leave_caller scope_exit_handler = misc_utils::create_scope_leave_handler( boost::bind(&async_protocol_handler::finish_outer_call, this)); @@ -734,7 +729,7 @@ public: return -1; } - if(!m_pservice_endpoint->do_send(in_buff.data(), (int)in_buff.size())) + if(!m_pservice_endpoint->do_send(in_buff.data(), in_buff.size())) { LOG_ERROR_CC(m_connection_context, "Failed to do_send()"); return -1; @@ -839,7 +834,7 @@ int async_protocol_handler_config<t_connection_context>::find_and_lock_connectio } //------------------------------------------------------------------------------------------ template<class t_connection_context> -int async_protocol_handler_config<t_connection_context>::invoke(int command, const std::string& in_buff, std::string& buff_out, boost::uuids::uuid connection_id) +int async_protocol_handler_config<t_connection_context>::invoke(int command, const epee::span<const uint8_t> in_buff, std::string& buff_out, boost::uuids::uuid connection_id) { async_protocol_handler<t_connection_context>* aph; int r = find_and_lock_connection(connection_id, aph); @@ -847,7 +842,7 @@ int async_protocol_handler_config<t_connection_context>::invoke(int command, con } //------------------------------------------------------------------------------------------ template<class t_connection_context> template<class callback_t> -int async_protocol_handler_config<t_connection_context>::invoke_async(int command, const std::string& in_buff, boost::uuids::uuid connection_id, const callback_t &cb, size_t timeout) +int async_protocol_handler_config<t_connection_context>::invoke_async(int command, const epee::span<const uint8_t> in_buff, boost::uuids::uuid connection_id, const callback_t &cb, size_t timeout) { async_protocol_handler<t_connection_context>* aph; int r = find_and_lock_connection(connection_id, aph); @@ -896,7 +891,7 @@ void async_protocol_handler_config<t_connection_context>::set_handler(levin_comm } //------------------------------------------------------------------------------------------ template<class t_connection_context> -int async_protocol_handler_config<t_connection_context>::notify(int command, const std::string& in_buff, boost::uuids::uuid connection_id) +int async_protocol_handler_config<t_connection_context>::notify(int command, const epee::span<const uint8_t> in_buff, boost::uuids::uuid connection_id) { async_protocol_handler<t_connection_context>* aph; int r = find_and_lock_connection(connection_id, aph); diff --git a/contrib/epee/include/span.h b/contrib/epee/include/span.h index b1296a0b7..cfb5b1a17 100644 --- a/contrib/epee/include/span.h +++ b/contrib/epee/include/span.h @@ -163,4 +163,12 @@ namespace epee static_assert(!has_padding<T>(), "source type may have padding"); return {reinterpret_cast<std::uint8_t*>(std::addressof(src)), sizeof(T)}; } + + //! make a span from a std::string + template<typename T> + span<const T> strspan(const std::string &s) noexcept + { + static_assert(std::is_same<T, char>() || std::is_same<T, unsigned char>() || std::is_same<T, int8_t>() || std::is_same<T, uint8_t>(), "Unexpected type"); + return {reinterpret_cast<const T*>(s.data()), s.size()}; + } } diff --git a/contrib/epee/include/storages/http_abstract_invoke.h b/contrib/epee/include/storages/http_abstract_invoke.h index d93084ab0..18b7f10c1 100644 --- a/contrib/epee/include/storages/http_abstract_invoke.h +++ b/contrib/epee/include/storages/http_abstract_invoke.h @@ -97,7 +97,7 @@ namespace epee return false; } - return serialization::load_t_from_binary(result_struct, pri->m_body); + return serialization::load_t_from_binary(result_struct, epee::strspan<uint8_t>(pri->m_body)); } template<class t_request, class t_response, class t_transport> diff --git a/contrib/epee/include/storages/levin_abstract_invoke2.h b/contrib/epee/include/storages/levin_abstract_invoke2.h index d77e7a1f8..06eb9bdaf 100644 --- a/contrib/epee/include/storages/levin_abstract_invoke2.h +++ b/contrib/epee/include/storages/levin_abstract_invoke2.h @@ -28,6 +28,7 @@ #include "portable_storage_template_helper.h" #include <boost/utility/value_init.hpp> +#include "span.h" #include "net/levin_base.h" #undef MONERO_DEFAULT_LOG_CATEGORY @@ -114,7 +115,7 @@ namespace epee const_cast<t_arg&>(out_struct).store(stg);//TODO: add true const support to searilzation std::string buff_to_send; stg.store_to_binary(buff_to_send); - int res = transport.invoke_async(command, buff_to_send, conn_id, [cb, command](int code, const std::string& buff, typename t_transport::connection_context& context)->bool + int res = transport.invoke_async(command, epee::strspan<uint8_t>(buff_to_send), conn_id, [cb, command](int code, const epee::span<const uint8_t> buff, typename t_transport::connection_context& context)->bool { t_result result_struct = AUTO_VAL_INIT(result_struct); if( code <=0 ) @@ -156,7 +157,7 @@ namespace epee std::string buff_to_send; stg.store_to_binary(buff_to_send); - int res = transport.notify(command, buff_to_send, conn_id); + int res = transport.notify(command, epee::strspan<uint8_t>(buff_to_send), conn_id); if(res <=0 ) { MERROR("Failed to notify command " << command << " return code " << res); @@ -167,7 +168,7 @@ namespace epee //---------------------------------------------------------------------------------------------------- //---------------------------------------------------------------------------------------------------- template<class t_owner, class t_in_type, class t_out_type, class t_context, class callback_t> - int buff_to_t_adapter(int command, const std::string& in_buff, std::string& buff_out, callback_t cb, t_context& context ) + int buff_to_t_adapter(int command, const epee::span<const uint8_t> in_buff, std::string& buff_out, callback_t cb, t_context& context ) { serialization::portable_storage strg; if(!strg.load_from_binary(in_buff)) @@ -197,7 +198,7 @@ namespace epee } template<class t_owner, class t_in_type, class t_context, class callback_t> - int buff_to_t_adapter(t_owner* powner, int command, const std::string& in_buff, callback_t cb, t_context& context) + int buff_to_t_adapter(t_owner* powner, int command, const epee::span<const uint8_t> in_buff, callback_t cb, t_context& context) { serialization::portable_storage strg; if(!strg.load_from_binary(in_buff)) @@ -215,14 +216,14 @@ namespace epee } #define CHAIN_LEVIN_INVOKE_MAP2(context_type) \ - int invoke(int command, const std::string& in_buff, std::string& buff_out, context_type& context) \ + int invoke(int command, const epee::span<const uint8_t> in_buff, std::string& buff_out, context_type& context) \ { \ bool handled = false; \ return handle_invoke_map(false, command, in_buff, buff_out, context, handled); \ } #define CHAIN_LEVIN_NOTIFY_MAP2(context_type) \ - int notify(int command, const std::string& in_buff, context_type& context) \ + int notify(int command, const epee::span<const uint8_t> in_buff, context_type& context) \ { \ bool handled = false; std::string fake_str;\ return handle_invoke_map(true, command, in_buff, fake_str, context, handled); \ @@ -230,27 +231,27 @@ namespace epee #define CHAIN_LEVIN_INVOKE_MAP() \ - int invoke(int command, const std::string& in_buff, std::string& buff_out, epee::net_utils::connection_context_base& context) \ + int invoke(int command, const epee::span<const uint8_t> in_buff, std::string& buff_out, epee::net_utils::connection_context_base& context) \ { \ bool handled = false; \ return handle_invoke_map(false, command, in_buff, buff_out, context, handled); \ } #define CHAIN_LEVIN_NOTIFY_MAP() \ - int notify(int command, const std::string& in_buff, epee::net_utils::connection_context_base& context) \ + int notify(int command, const epee::span<const uint8_t> in_buff, epee::net_utils::connection_context_base& context) \ { \ bool handled = false; std::string fake_str;\ return handle_invoke_map(true, command, in_buff, fake_str, context, handled); \ } #define CHAIN_LEVIN_NOTIFY_STUB() \ - int notify(int command, const std::string& in_buff, epee::net_utils::connection_context_base& context) \ + int notify(int command, const epee::span<const uint8_t> in_buff, epee::net_utils::connection_context_base& context) \ { \ return -1; \ } #define BEGIN_INVOKE_MAP2(owner_type) \ - template <class t_context> int handle_invoke_map(bool is_notify, int command, const std::string& in_buff, std::string& buff_out, t_context& context, bool& handled) \ + template <class t_context> int handle_invoke_map(bool is_notify, int command, const epee::span<const uint8_t> in_buff, std::string& buff_out, t_context& context, bool& handled) \ { \ typedef owner_type internal_owner_type_name; diff --git a/contrib/epee/include/storages/portable_storage.h b/contrib/epee/include/storages/portable_storage.h index 0f0c6210f..d0e40d606 100644 --- a/contrib/epee/include/storages/portable_storage.h +++ b/contrib/epee/include/storages/portable_storage.h @@ -35,6 +35,7 @@ #include "portable_storage_to_json.h" #include "portable_storage_from_json.h" #include "portable_storage_val_converters.h" +#include "span.h" #include "int-util.h" namespace epee @@ -81,7 +82,8 @@ namespace epee //------------------------------------------------------------------------------- bool store_to_binary(binarybuffer& target); - bool load_from_binary(const binarybuffer& target); + bool load_from_binary(const epee::span<const uint8_t> target); + bool load_from_binary(const std::string& target) { return load_from_binary(epee::strspan<uint8_t>(target)); } template<class trace_policy> bool dump_as_xml(std::string& targetObj, const std::string& root_name = ""); bool dump_as_json(std::string& targetObj, size_t indent = 0, bool insert_newlines = true); @@ -146,7 +148,7 @@ namespace epee CATCH_ENTRY("portable_storage::store_to_binary", false) } inline - bool portable_storage::load_from_binary(const binarybuffer& source) + bool portable_storage::load_from_binary(const epee::span<const uint8_t> source) { m_root.m_entries.clear(); if(source.size() < sizeof(storage_block_header)) diff --git a/contrib/epee/include/storages/portable_storage_template_helper.h b/contrib/epee/include/storages/portable_storage_template_helper.h index bbd8413fc..13c870d44 100644 --- a/contrib/epee/include/storages/portable_storage_template_helper.h +++ b/contrib/epee/include/storages/portable_storage_template_helper.h @@ -84,7 +84,7 @@ namespace epee } //----------------------------------------------------------------------------------------------------------- template<class t_struct> - bool load_t_from_binary(t_struct& out, const std::string& binary_buff) + bool load_t_from_binary(t_struct& out, const epee::span<const uint8_t> binary_buff) { portable_storage ps; bool rs = ps.load_from_binary(binary_buff); @@ -95,6 +95,12 @@ namespace epee } //----------------------------------------------------------------------------------------------------------- template<class t_struct> + bool load_t_from_binary(t_struct& out, const std::string& binary_buff) + { + return load_t_from_binary(out, epee::strspan<uint8_t>(binary_buff)); + } + //----------------------------------------------------------------------------------------------------------- + template<class t_struct> bool load_t_from_binary_file(t_struct& out, const std::string& binary_file) { std::string f_buff; diff --git a/contrib/epee/src/CMakeLists.txt b/contrib/epee/src/CMakeLists.txt index bc437deb9..cea50c9dd 100644 --- a/contrib/epee/src/CMakeLists.txt +++ b/contrib/epee/src/CMakeLists.txt @@ -27,7 +27,7 @@ # THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. add_library(epee STATIC hex.cpp http_auth.cpp mlog.cpp net_utils_base.cpp string_tools.cpp wipeable_string.cpp memwipe.c - connection_basic.cpp network_throttle.cpp network_throttle-detail.cpp mlocker.cpp) + connection_basic.cpp network_throttle.cpp network_throttle-detail.cpp mlocker.cpp buffer.cpp) if (USE_READLINE AND GNU_READLINE_FOUND) add_library(epee_readline STATIC readline_buffer.cpp) endif() diff --git a/contrib/epee/src/buffer.cpp b/contrib/epee/src/buffer.cpp new file mode 100644 index 000000000..d637b905e --- /dev/null +++ b/contrib/epee/src/buffer.cpp @@ -0,0 +1,97 @@ +// Copyright (c) 2018, The Monero Project +// +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without modification, are +// permitted provided that the following conditions are met: +// +// 1. Redistributions of source code must retain the above copyright notice, this list of +// conditions and the following disclaimer. +// +// 2. 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. +// +// 3. Neither the name of the copyright holder 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 HOLDER OR CONTRIBUTORS 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. + +#include <string.h> +#include "net/buffer.h" + +#undef MONERO_DEFAULT_LOG_CATEGORY +#define MONERO_DEFAULT_LOG_CATEGORY "net.buffer" + +namespace epee +{ +namespace net_utils +{ + +void buffer::append(const void *data, size_t sz) +{ + const size_t capacity = storage.capacity(); + const size_t avail = capacity - storage.size(); + + CHECK_AND_ASSERT_THROW_MES(storage.size() < std::numeric_limits<size_t>::max() - sz, "Too much data to append"); + + // decide when to move + if (sz > avail) + { + // we have to reallocate or move + const bool move = size() + sz <= capacity; + if (move) + { + const size_t bytes = storage.size() - offset; + NET_BUFFER_LOG("appending " << sz << " from " << size() << " by moving " << bytes << " from offset " << offset << " first (forced)"); + memmove(storage.data(), storage.data() + offset, bytes); + storage.resize(bytes); + offset = 0; + } + else + { + NET_BUFFER_LOG("appending " << sz << " from " << size() << " by reallocating"); + std::vector<uint8_t> new_storage; + size_t reserve = (((size() + sz) * 3 / 2) + 4095) & ~4095; + new_storage.reserve(reserve); + new_storage.resize(size()); + memcpy(new_storage.data(), storage.data() + offset, storage.size() - offset); + offset = 0; + std::swap(storage, new_storage); + } + } + else + { + // we have space already + if (size() <= 4096 && offset > 4096 * 16 && offset >= capacity / 2) + { + // we have little to move, and we're far enough into the buffer that it's probably a win to move anyway + const size_t pos = storage.size() - offset; + NET_BUFFER_LOG("appending " << sz << " from " << size() << " by moving " << pos << " from offset " << offset << " first (unforced)"); + memmove(storage.data(), storage.data() + offset, storage.size() - offset); + storage.resize(pos); + offset = 0; + } + else + { + NET_BUFFER_LOG("appending " << sz << " from " << size() << " by writing to existing capacity"); + } + } + + // add the new data + storage.insert(storage.end(), (const uint8_t*)data, (const uint8_t*)data + sz); + + NET_BUFFER_LOG("storage now " << offset << "/" << storage.size() << "/" << storage.capacity()); +} + +} +} |