mirror of
https://github.com/wangyu-/udp2raw.git
synced 2025-01-19 06:19:31 +08:00
conv_manager_t changed to template
This commit is contained in:
parent
fef76af3a5
commit
946b615acf
30
common.h
30
common.h
@ -185,6 +185,36 @@ struct address_t //TODO scope id
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char* get_ip();
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};
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namespace std {
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template <>
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struct hash<address_t>
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{
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std::size_t operator()(const address_t& key) const
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{
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//return address_t::hash_function(k);
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return sdbm((unsigned char*)&key.inner,sizeof(key.inner));
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}
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};
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}
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struct not_copy_able_t
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{
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not_copy_able_t()
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{
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}
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not_copy_able_t(const not_copy_able_t &other)
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{
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assert(0==1);
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}
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const not_copy_able_t & operator=(const not_copy_able_t &other)
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{
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assert(0==1);
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return other;
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}
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};
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const int max_data_len=1800;
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const int buf_len=max_data_len+400;
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157
connection.cpp
157
connection.cpp
@ -12,7 +12,7 @@
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int disable_anti_replay=0;//if anti_replay windows is diabled
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const int disable_conv_clear=0;//a udp connection in the multiplexer is called conversation in this program,conv for short.
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const int disable_conn_clear=0;//a raw connection is called conn.
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@ -75,154 +75,6 @@ conn_manager_t conn_manager;
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}
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void server_clear_function(u64_t u64);
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conv_manager_t::conv_manager_t()
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{
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clear_it=conv_last_active_time.begin();
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long long last_clear_time=0;
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//clear_function=0;
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}
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conv_manager_t::~conv_manager_t()
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{
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clear();
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}
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int conv_manager_t::get_size()
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{
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return conv_to_u64.size();
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}
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void conv_manager_t::reserve()
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{
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u64_to_conv.reserve(10007);
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conv_to_u64.reserve(10007);
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conv_last_active_time.reserve(10007);
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}
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void conv_manager_t::clear()
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{
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if(disable_conv_clear) return ;
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if(program_mode==server_mode)
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{
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for(it=conv_to_u64.begin();it!=conv_to_u64.end();it++)
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{
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//int fd=int((it->second<<32u)>>32u);
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server_clear_function( it->second);
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}
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}
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u64_to_conv.clear();
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conv_to_u64.clear();
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conv_last_active_time.clear();
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clear_it=conv_last_active_time.begin();
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}
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u32_t conv_manager_t::get_new_conv()
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{
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u32_t conv=get_true_random_number_nz();
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while(conv_to_u64.find(conv)!=conv_to_u64.end())
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{
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conv=get_true_random_number_nz();
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}
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return conv;
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}
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int conv_manager_t::is_conv_used(u32_t conv)
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{
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return conv_to_u64.find(conv)!=conv_to_u64.end();
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}
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int conv_manager_t::is_u64_used(u64_t u64)
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{
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return u64_to_conv.find(u64)!=u64_to_conv.end();
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}
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u32_t conv_manager_t::find_conv_by_u64(u64_t u64)
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{
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return u64_to_conv[u64];
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}
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u64_t conv_manager_t::find_u64_by_conv(u32_t conv)
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{
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return conv_to_u64[conv];
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}
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int conv_manager_t::update_active_time(u32_t conv)
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{
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return conv_last_active_time[conv]=get_current_time();
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}
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int conv_manager_t::insert_conv(u32_t conv,u64_t u64)
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{
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u64_to_conv[u64]=conv;
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conv_to_u64[conv]=u64;
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conv_last_active_time[conv]=get_current_time();
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return 0;
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}
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int conv_manager_t::erase_conv(u32_t conv)
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{
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if(disable_conv_clear) return 0;
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u64_t u64=conv_to_u64[conv];
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if(program_mode==server_mode)
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{
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server_clear_function(u64);
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}
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conv_to_u64.erase(conv);
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u64_to_conv.erase(u64);
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conv_last_active_time.erase(conv);
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return 0;
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}
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int conv_manager_t::clear_inactive(char * ip_port)
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{
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if(get_current_time()-last_clear_time>conv_clear_interval)
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{
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last_clear_time=get_current_time();
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return clear_inactive0(ip_port);
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}
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return 0;
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}
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int conv_manager_t::clear_inactive0(char * ip_port)
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{
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if(disable_conv_clear) return 0;
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//map<uint32_t,uint64_t>::iterator it;
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int cnt=0;
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it=clear_it;
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int size=conv_last_active_time.size();
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int num_to_clean=size/conv_clear_ratio+conv_clear_min; //clear 1/10 each time,to avoid latency glitch
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num_to_clean=min(num_to_clean,size);
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u64_t current_time=get_current_time();
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for(;;)
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{
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if(cnt>=num_to_clean) break;
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if(conv_last_active_time.begin()==conv_last_active_time.end()) break;
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if(it==conv_last_active_time.end())
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{
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it=conv_last_active_time.begin();
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}
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if( current_time -it->second >conv_timeout )
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{
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//mylog(log_info,"inactive conv %u cleared \n",it->first);
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old_it=it;
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it++;
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u32_t conv= old_it->first;
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erase_conv(old_it->first);
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if(ip_port==0)
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{
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mylog(log_info,"conv %x cleared\n",conv);
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}
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else
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{
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mylog(log_info,"[%s]conv %x cleared\n",ip_port,conv);
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}
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}
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else
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{
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it++;
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}
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cnt++;
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}
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clear_it=it;
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return 0;
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}
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void conn_info_t::recover(const conn_info_t &conn_info)
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@ -268,18 +120,23 @@ conv_manager_t::~conv_manager_t()
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}
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void conn_info_t::prepare()
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{
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assert(blob==0);
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blob=new blob_t;
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}
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conn_info_t::conn_info_t(const conn_info_t&b)
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{
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assert(0==1);
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//mylog(log_error,"called!!!!!!!!!!!!!\n");
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*this=b;
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if(blob!=0)
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{
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blob=new blob_t(*b.blob);
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}
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}
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conn_info_t& conn_info_t::operator=(const conn_info_t& b)
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{
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mylog(log_fatal,"not allowed\n");
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@ -457,7 +314,7 @@ int conn_manager_t::clear_inactive0()
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{
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it++;
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}
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else if(it->second->blob!=0&&it->second->blob->conv_manager.get_size() >0)
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else if(it->second->blob!=0&&it->second->blob->conv_manager.s.get_size() >0)
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{
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assert(it->second->state.server_current_state==server_ready);
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it++;
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187
connection.h
187
connection.h
@ -16,6 +16,8 @@ extern int disable_anti_replay;
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#include "network.h"
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#include "misc.h"
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const int disable_conv_clear=0;//a udp connection in the multiplexer is called conversation in this program,conv for short.
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struct anti_replay_t //its for anti replay attack,similar to openvpn/ipsec 's anti replay window
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@ -30,24 +32,177 @@ struct anti_replay_t //its for anti replay attack,similar to openvpn/ipsec 's a
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int is_vaild(u64_t seq);
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};//anti_replay;
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void server_clear_function(u64_t u64);
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#include <type_traits>
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template <class T>
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struct conv_manager_t // manage the udp connections
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{
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//typedef hash_map map;
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unordered_map<u64_t,u32_t> u64_to_conv; //conv and u64 are both supposed to be uniq
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unordered_map<u32_t,u64_t> conv_to_u64;
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unordered_map<T,u32_t> data_to_conv; //conv and u64 are both supposed to be uniq
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unordered_map<u32_t,T> conv_to_data;
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unordered_map<u32_t,u64_t> conv_last_active_time;
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unordered_map<u32_t,u64_t>::iterator clear_it;
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unordered_map<u32_t,u64_t>::iterator it;
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unordered_map<u32_t,u64_t>::iterator old_it;
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//void (*clear_function)(uint64_t u64) ;
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void (*additional_clear_function)(T data) =0;
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long long last_clear_time;
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conv_manager_t()
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{
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clear_it=conv_last_active_time.begin();
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long long last_clear_time=0;
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additional_clear_function=0;
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}
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~conv_manager_t()
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{
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clear();
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}
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int get_size()
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{
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return conv_to_data.size();
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}
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void reserve()
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{
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data_to_conv.reserve(10007);
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conv_to_data.reserve(10007);
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conv_last_active_time.reserve(10007);
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}
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void clear()
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{
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if(disable_conv_clear) return ;
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if(additional_clear_function!=0)
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{
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for(auto it=conv_to_data.begin();it!=conv_to_data.end();it++)
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{
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//int fd=int((it->second<<32u)>>32u);
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additional_clear_function( it->second);
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}
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}
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data_to_conv.clear();
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conv_to_data.clear();
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conv_last_active_time.clear();
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clear_it=conv_last_active_time.begin();
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}
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u32_t get_new_conv()
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{
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u32_t conv=get_true_random_number_nz();
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while(conv_to_data.find(conv)!=conv_to_data.end())
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{
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conv=get_true_random_number_nz();
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}
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return conv;
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}
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int is_conv_used(u32_t conv)
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{
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return conv_to_data.find(conv)!=conv_to_data.end();
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}
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int is_data_used(T data)
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{
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return data_to_conv.find(data)!=data_to_conv.end();
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}
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u32_t find_conv_by_data(T data)
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{
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return data_to_conv[data];
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}
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u64_t find_data_by_conv(u32_t conv)
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{
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return conv_to_data[conv];
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}
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int update_active_time(u32_t conv)
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{
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return conv_last_active_time[conv]=get_current_time();
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}
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int insert_conv(u32_t conv,u64_t u64)
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{
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data_to_conv[u64]=conv;
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conv_to_data[conv]=u64;
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conv_last_active_time[conv]=get_current_time();
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return 0;
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}
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int erase_conv(u32_t conv)
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{
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if(disable_conv_clear) return 0;
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u64_t u64=conv_to_data[conv];
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if(program_mode==server_mode)
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{
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server_clear_function(u64);
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}
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conv_to_data.erase(conv);
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data_to_conv.erase(u64);
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conv_last_active_time.erase(conv);
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return 0;
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}
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int clear_inactive(char * ip_port=0)
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{
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if(get_current_time()-last_clear_time>conv_clear_interval)
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{
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last_clear_time=get_current_time();
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return clear_inactive0(ip_port);
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}
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return 0;
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}
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int clear_inactive0(char * ip_port)
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{
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if(disable_conv_clear) return 0;
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unordered_map<u32_t,u64_t>::iterator it;
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unordered_map<u32_t,u64_t>::iterator old_it;
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//map<uint32_t,uint64_t>::iterator it;
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int cnt=0;
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it=clear_it;
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int size=conv_last_active_time.size();
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int num_to_clean=size/conv_clear_ratio+conv_clear_min; //clear 1/10 each time,to avoid latency glitch
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num_to_clean=min(num_to_clean,size);
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u64_t current_time=get_current_time();
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for(;;)
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{
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if(cnt>=num_to_clean) break;
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if(conv_last_active_time.begin()==conv_last_active_time.end()) break;
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if(it==conv_last_active_time.end())
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{
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it=conv_last_active_time.begin();
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}
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if( current_time -it->second >conv_timeout )
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{
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//mylog(log_info,"inactive conv %u cleared \n",it->first);
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old_it=it;
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it++;
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u32_t conv= old_it->first;
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erase_conv(old_it->first);
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if(ip_port==0)
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{
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mylog(log_info,"conv %x cleared\n",conv);
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}
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else
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{
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mylog(log_info,"[%s]conv %x cleared\n",ip_port,conv);
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}
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}
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else
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{
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it++;
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}
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cnt++;
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}
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clear_it=it;
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return 0;
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}
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/*
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conv_manager_t();
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~conv_manager_t();
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int get_size();
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@ -55,19 +210,25 @@ struct conv_manager_t // manage the udp connections
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void clear();
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u32_t get_new_conv();
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int is_conv_used(u32_t conv);
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int is_u64_used(u64_t u64);
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u32_t find_conv_by_u64(u64_t u64);
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u64_t find_u64_by_conv(u32_t conv);
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int is_u64_used(T u64);
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u32_t find_conv_by_u64(T u64);
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T find_u64_by_conv(u32_t conv);
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int update_active_time(u32_t conv);
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int insert_conv(u32_t conv,u64_t u64);
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int insert_conv(u32_t conv,T u64);
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int erase_conv(u32_t conv);
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int clear_inactive(char * ip_port=0);
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int clear_inactive0(char * ip_port);
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int clear_inactive0(char * ip_port);*/
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};//g_conv_manager;
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struct blob_t //used in conn_info_t. conv_manager_t and anti_replay_t are costly data structures ,we dont allocate them until its necessary
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struct blob_t:not_copy_able_t //used in conn_info_t. conv_manager_t and anti_replay_t are costly data structures ,we dont allocate them until its necessary
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{
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conv_manager_t conv_manager;
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struct //TODO change to unconstrained union
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{
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conv_manager_t<u64_t> c;
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conv_manager_t<u64_t> s;
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conv_manager_t<address_t> test;
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}conv_manager;
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anti_replay_t anti_replay;
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};
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struct conn_info_t //stores info for a raw connection.for client ,there is only one connection,for server there can be thousand of connection since server can
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37
main.cpp
37
main.cpp
@ -23,7 +23,7 @@ int client_on_timer(conn_info_t &conn_info) //for client. called when a timer is
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packet_info_t &send_info=conn_info.raw_info.send_info;
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packet_info_t &recv_info=conn_info.raw_info.recv_info;
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raw_info_t &raw_info=conn_info.raw_info;
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conn_info.blob->conv_manager.clear_inactive();
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conn_info.blob->conv_manager.c.clear_inactive();
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mylog(log_trace,"timer!\n");
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mylog(log_trace,"roller my %d,oppsite %d,%lld\n",int(conn_info.my_roller),int(conn_info.oppsite_roller),conn_info.last_oppsite_roller_time);
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@ -310,7 +310,7 @@ int server_on_timer_multi(conn_info_t &conn_info,char * ip_port) //for server.
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|
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if(conn_info.state.server_current_state==server_ready)
|
||||
{
|
||||
conn_info.blob->conv_manager.clear_inactive(ip_port);
|
||||
conn_info.blob->conv_manager.s.clear_inactive(ip_port);
|
||||
/*
|
||||
if( get_current_time()-conn_info.last_hb_recv_time>heartbeat_timeout )
|
||||
{
|
||||
@ -496,15 +496,15 @@ int client_on_raw_recv(conn_info_t &conn_info) //called when raw fd received a p
|
||||
memcpy(&tmp_conv_id,&data[0],sizeof(tmp_conv_id));
|
||||
tmp_conv_id=ntohl(tmp_conv_id);
|
||||
|
||||
if(!conn_info.blob->conv_manager.is_conv_used(tmp_conv_id))
|
||||
if(!conn_info.blob->conv_manager.c.is_conv_used(tmp_conv_id))
|
||||
{
|
||||
mylog(log_info,"unknow conv %d,ignore\n",tmp_conv_id);
|
||||
return 0;
|
||||
}
|
||||
|
||||
conn_info.blob->conv_manager.update_active_time(tmp_conv_id);
|
||||
conn_info.blob->conv_manager.c.update_active_time(tmp_conv_id);
|
||||
|
||||
u64_t u64=conn_info.blob->conv_manager.find_u64_by_conv(tmp_conv_id);
|
||||
u64_t u64=conn_info.blob->conv_manager.c.find_data_by_conv(tmp_conv_id);
|
||||
|
||||
|
||||
sockaddr_in tmp_sockaddr={0};
|
||||
@ -845,8 +845,8 @@ int server_on_raw_recv_ready(conn_info_t &conn_info,char * ip_port,char type,cha
|
||||
conn_info.last_hb_recv_time = get_current_time();
|
||||
|
||||
mylog(log_trace, "conv:%u\n", tmp_conv_id);
|
||||
if (!conn_info.blob->conv_manager.is_conv_used(tmp_conv_id)) {
|
||||
if (conn_info.blob->conv_manager.get_size() >= max_conv_num) {
|
||||
if (!conn_info.blob->conv_manager.s.is_conv_used(tmp_conv_id)) {
|
||||
if (conn_info.blob->conv_manager.s.get_size() >= max_conv_num) {
|
||||
mylog(log_warn,
|
||||
"[%s]ignored new conv %x connect bc max_conv_num exceed\n",ip_port,
|
||||
tmp_conv_id);
|
||||
@ -907,7 +907,7 @@ int server_on_raw_recv_ready(conn_info_t &conn_info,char * ip_port,char type,cha
|
||||
return -1;
|
||||
}
|
||||
|
||||
conn_info.blob->conv_manager.insert_conv(tmp_conv_id, new_udp_fd64);
|
||||
conn_info.blob->conv_manager.s.insert_conv(tmp_conv_id, new_udp_fd64);
|
||||
|
||||
|
||||
|
||||
@ -924,9 +924,9 @@ int server_on_raw_recv_ready(conn_info_t &conn_info,char * ip_port,char type,cha
|
||||
|
||||
}
|
||||
|
||||
fd64_t fd64 = conn_info.blob->conv_manager.find_u64_by_conv(tmp_conv_id);
|
||||
fd64_t fd64 = conn_info.blob->conv_manager.s.find_data_by_conv(tmp_conv_id);
|
||||
|
||||
conn_info.blob->conv_manager.update_active_time(tmp_conv_id);
|
||||
conn_info.blob->conv_manager.s.update_active_time(tmp_conv_id);
|
||||
|
||||
int fd = fd_manager.to_fd(fd64);
|
||||
|
||||
@ -968,6 +968,7 @@ int server_on_raw_recv_pre_ready(conn_info_t &conn_info,char * ip_port,u32_t tmp
|
||||
}
|
||||
|
||||
conn_info.prepare();
|
||||
conn_info.blob->conv_manager.s.additional_clear_function=server_clear_function;
|
||||
conn_info.state.server_current_state = server_ready;
|
||||
conn_info.oppsite_const_id=tmp_oppsite_const_id;
|
||||
conn_manager.ready_num++;
|
||||
@ -1405,23 +1406,23 @@ int client_event_loop()
|
||||
u64_t u64=((u64_t(udp_new_addr_in.sin_addr.s_addr))<<32u)+ntohs(udp_new_addr_in.sin_port);
|
||||
u32_t conv;
|
||||
|
||||
if(!conn_info.blob->conv_manager.is_u64_used(u64))
|
||||
if(!conn_info.blob->conv_manager.c.is_data_used(u64))
|
||||
{
|
||||
if(conn_info.blob->conv_manager.get_size() >=max_conv_num)
|
||||
if(conn_info.blob->conv_manager.c.get_size() >=max_conv_num)
|
||||
{
|
||||
mylog(log_warn,"ignored new udp connect bc max_conv_num exceed\n");
|
||||
continue;
|
||||
}
|
||||
conv=conn_info.blob->conv_manager.get_new_conv();
|
||||
conn_info.blob->conv_manager.insert_conv(conv,u64);
|
||||
conv=conn_info.blob->conv_manager.c.get_new_conv();
|
||||
conn_info.blob->conv_manager.c.insert_conv(conv,u64);
|
||||
mylog(log_info,"new packet from %s:%d,conv_id=%x\n",inet_ntoa(udp_new_addr_in.sin_addr),ntohs(udp_new_addr_in.sin_port),conv);
|
||||
}
|
||||
else
|
||||
{
|
||||
conv=conn_info.blob->conv_manager.find_conv_by_u64(u64);
|
||||
conv=conn_info.blob->conv_manager.c.find_conv_by_data(u64);
|
||||
}
|
||||
|
||||
conn_info.blob->conv_manager.update_active_time(conv);
|
||||
conn_info.blob->conv_manager.c.update_active_time(conv);
|
||||
|
||||
if(conn_info.state.client_current_state==client_ready)
|
||||
{
|
||||
@ -1713,9 +1714,9 @@ int server_event_loop()
|
||||
|
||||
conn_info_t &conn_info=*p_conn_info;
|
||||
|
||||
assert(conn_info.blob->conv_manager.is_u64_used(fd64));
|
||||
assert(conn_info.blob->conv_manager.s.is_data_used(fd64));
|
||||
|
||||
u32_t conv_id=conn_info.blob->conv_manager.find_conv_by_u64(fd64);
|
||||
u32_t conv_id=conn_info.blob->conv_manager.s.find_conv_by_data(fd64);
|
||||
|
||||
int fd=fd_manager.to_fd(fd64);
|
||||
|
||||
|
Loading…
x
Reference in New Issue
Block a user