mirror of
https://github.com/wangyu-/udp2raw.git
synced 2025-01-19 14:29:34 +08:00
added tons of assert,fixed some small bugs
This commit is contained in:
wangyu
wangyu
parent
e822e244b0
commit
0b65dc2358
9
common.h
9
common.h
@ -57,7 +57,7 @@
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#include <net/if.h>
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#include <arpa/inet.h>
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#include <stdarg.h>
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#include <assert.h>
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#include <unordered_map>
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@ -85,12 +85,13 @@ const uint32_t timer_interval=400;//this should be smaller than heartbeat_interv
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const int RETRY_TIME=3;
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const uint32_t conv_timeout=120000; //60 second
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//const uint32_t conv_timeout=120000; //120 second
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const uint32_t conv_timeout=20000; //for test
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const uint32_t client_conn_timeout=10000;
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const uint32_t server_conn_timeout=conv_timeout+60000;//this should be 60s+ longer than conv_timeout,so that conv_manager can destruct convs gradually,to avoid latency glicth
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//const uint32_t server_conn_timeout=conv_timeout+60000;//this should be 60s+ longer than conv_timeout,so that conv_manager can destruct convs gradually,to avoid latency glicth
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const uint32_t server_conn_timeout=conv_timeout+10000;//for test
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129
main.cpp
129
main.cpp
@ -210,7 +210,7 @@ struct conv_manager_t //TODO change map to unordered map
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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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mylog(log_info,"conv %x cleared\n");
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mylog(log_info,"conv %x cleared\n",conv);
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return 0;
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}
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int clear_inactive()
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@ -280,6 +280,7 @@ struct conn_info_t
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oppsite_const_id=0;
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conv_manager=0;
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anti_replay=0;
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timer_fd=0;
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}
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void prepare()
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{
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@ -386,12 +387,25 @@ struct conn_manager_t
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if(erase_it->second->state.server_current_state==server_ready)
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{
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ready_num--;
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assert(int32_t(ready_num)!=-1);
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assert(erase_it->second!=0);
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assert(erase_it->second->timer_fd !=0);
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assert(erase_it->second->oppsite_const_id!=0);
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assert(const_id_mp.find(erase_it->second->oppsite_const_id)!=const_id_mp.end());
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assert(timer_fd_mp.find(erase_it->second->timer_fd)!=timer_fd_mp.end());
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const_id_mp.erase(erase_it->second->oppsite_const_id);
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timer_fd_mp.erase(erase_it->second->timer_fd);
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close(erase_it->second->timer_fd);// close will auto delte it from epoll
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delete(erase_it->second);
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mp.erase(erase_it->first);
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}
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else
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{
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assert(erase_it->second==0);
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assert(erase_it->second->timer_fd ==0);
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assert(erase_it->second->oppsite_const_id==0);
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}
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return 0;
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}
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int clear_inactive()
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@ -428,16 +442,12 @@ int clear_inactive()
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}
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else if(it->second->conv_manager!=0&&it->second->conv_manager->get_size() >0)
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{
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if(it->second->state.server_current_state!=server_ready)
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{
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mylog(log_fatal,"this shouldnt happen!\n");
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myexit(-1);
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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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}
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else
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{
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//mylog(log_info,"inactive conv %u cleared \n",it->first);
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mylog(log_info,"[%s:%d]inactive conn cleared \n",my_ntoa(it->second->raw_info.recv_info.src_ip),it->second->raw_info.recv_info.src_port);
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old_it=it;
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it++;
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erase(old_it);
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@ -451,12 +461,29 @@ int clear_inactive()
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conn_info_t::~conn_info_t()
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{
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if(oppsite_const_id!=0)
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conn_manager.const_id_mp.erase(oppsite_const_id);
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if(program_mode==server_mode)
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{
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if(state.server_current_state==server_ready)
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{
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assert(conv_manager!=0);
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assert(anti_replay!=0);
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assert(oppsite_const_id!=0);
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//assert(conn_manager.const_id_mp.find(oppsite_const_id)!=conn_manager.const_id_mp.end()); // conn_manager 's deconstuction function erases it
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}
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else
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{
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assert(conv_manager==0);
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assert(anti_replay==0);
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assert(oppsite_const_id==0);
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}
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}
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//if(oppsite_const_id!=0) //do this at conn_manager 's deconstuction function
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//conn_manager.const_id_mp.erase(oppsite_const_id);
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if(conv_manager!=0)
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delete conv_manager;
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if(anti_replay!=0)
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delete anti_replay;
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//send_packet_info.protocol=g_packet_info_send.protocol;
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}
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@ -598,7 +625,7 @@ void server_clear_function(uint64_t u64)
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{
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int fd=int(u64);
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int ret;
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assert(fd!=0);
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/*
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epoll_event ev;
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@ -619,7 +646,8 @@ void server_clear_function(uint64_t u64)
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myexit(-1); //this shouldnt happen
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}
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//mylog(log_fatal,"size:%d !!!!\n",conn_manager.udp_fd_mp.size());
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conn_manager.udp_fd_mp.erase(udp_fd);
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assert(conn_manager.udp_fd_mp.find(fd)!=conn_manager.udp_fd_mp.end());
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conn_manager.udp_fd_mp.erase(fd);
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}
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@ -1057,6 +1085,11 @@ int keep_connection_server_multi(conn_info_t &conn_info)
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mylog(log_trace,"heart beat sent<%x>\n",conn_info.my_id);
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}
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else
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{
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mylog(log_fatal,"this shouldnt happen!\n");
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myexit(-1);
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}
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return 0;
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}
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@ -1426,7 +1459,7 @@ int server_on_raw_ready(conn_info_t &conn_info)
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conn_info.last_hb_recv_time = current_time_rough;
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mylog(log_trace, "<<<<conv:%u>>>>\n", tmp_conv_id);
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mylog(log_trace, "conv:%u\n", tmp_conv_id);
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if (!conn_info.conv_manager->is_conv_used(tmp_conv_id)) {
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if (conn_info.conv_manager->get_size() >= max_conv_num) {
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mylog(log_warn,
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@ -1505,7 +1538,22 @@ int server_on_raw_ready(conn_info_t &conn_info)
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}
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return 0;
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}
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int server_on_raw_is_syn()
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{
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return 1;
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}
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int server_on_raw_reply_syn()
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{
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return 0;
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}
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int server_on_raw_is_handshake()
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{
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return 1;
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}
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int server_on_raw_reply_handshake()
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{
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return 0;
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}
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int server_on_raw_recv_multi()
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{
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uint32_t ip;uint16_t port;
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@ -1530,7 +1578,11 @@ int server_on_raw_recv_multi()
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{
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raw_info_t tmp_raw_info;
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recv_bare(tmp_raw_info,data,data_len);
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if(recv_bare(tmp_raw_info,data,data_len)<0)
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{
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return 0;
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return 0;
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}
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if(raw_mode==mode_faketcp)
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{
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if (!(tmp_raw_info.recv_info.syn == 1 && tmp_raw_info.recv_info.ack == 0 && data_len == 0))
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@ -1716,6 +1768,7 @@ int server_on_raw_recv_multi()
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//g_conn_info=conn_info;
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int new_timer_fd;
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set_timer_server(epollfd, new_timer_fd);
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conn_info.timer_fd=new_timer_fd;
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conn_manager.timer_fd_mp[new_timer_fd] = &conn_info;//pack_u64(ip,port);
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@ -2292,16 +2345,14 @@ int server_event_loop()
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int i, j, k;int ret;
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bind_address_uint32=local_address_uint32;
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bind_address_uint32=local_address_uint32;//only server has bind adress,client sets it to zero
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//g_packet_info_send.src_ip=inet_addr(local_address);
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//g_packet_info_send.src_port=local_port;
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if(raw_mode==mode_faketcp)
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{
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bind_fd=socket(AF_INET,SOCK_STREAM,0);
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}
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else if(raw_mode==mode_udp||raw_mode==mode_icmp)
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else if(raw_mode==mode_udp||raw_mode==mode_icmp)//bind an adress to avoid collision,for icmp,there is no port,just bind a udp port
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{
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bind_fd=socket(AF_INET,SOCK_DGRAM,0);
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}
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@ -2318,6 +2369,7 @@ int server_event_loop()
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mylog(log_fatal,"bind fail\n");
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myexit(-1);
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}
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if(raw_mode==mode_faketcp)
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{
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@ -2331,7 +2383,7 @@ int server_event_loop()
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init_raw_socket();
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init_filter(local_port);
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init_filter(local_port);//bpf filter
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epollfd = epoll_create1(0);
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const int max_events = 4096;
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@ -2351,7 +2403,9 @@ int server_event_loop()
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myexit(-1);
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}
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int timer_fd;
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set_timer(epollfd,timer_fd);
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while(1)////////////////////////
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{
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int nfds = epoll_wait(epollfd, events, max_events, 180 * 1000);
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@ -2371,7 +2425,11 @@ int server_event_loop()
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current_time_rough=get_current_time();
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conn_manager.clear_inactive();
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}
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if ((events[idx].data.u64 >>32u) == 2u)
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else if (events[idx].data.u64 == (uint64_t)raw_recv_fd)
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{
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server_on_raw_recv_multi();
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}
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else if ((events[idx].data.u64 >>32u) == 2u)
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{
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int fd=get_u64_l(events[idx].data.u64);
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uint64_t dummy;
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@ -2379,7 +2437,7 @@ int server_event_loop()
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if(conn_manager.timer_fd_mp.find(fd)==conn_manager.timer_fd_mp.end()) //this can happen,when fd is a just closed fd
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{
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mylog(log_info,"timer_fd no longer exits\n", nfds);
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mylog(log_info,"timer_fd no longer exits\n");
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continue;
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}
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conn_info_t* p_conn_info=conn_manager.timer_fd_mp[fd];
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@ -2387,18 +2445,18 @@ int server_event_loop()
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uint32_t port=p_conn_info->raw_info.recv_info.src_port;
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if(!conn_manager.exist(ip,port))//TODO remove this for peformance
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{
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mylog(log_fatal,"ip port no longer exits!!!this shouldnt happen\n", nfds);
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mylog(log_fatal,"ip port no longer exits 1!!!this shouldnt happen\n");
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myexit(-1);
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}
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if (p_conn_info->state.server_current_state != server_ready) //TODO remove this for peformance
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{
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mylog(log_fatal,"p_conn_info->state.server_current_state!=server_ready!!!this shouldnt happen\n");
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myexit(-1);
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}
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//conn_info_t &conn_info=conn_manager.find(ip,port);
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keep_connection_server_multi(*p_conn_info);
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}
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else if (events[idx].data.u64 == (uint64_t)raw_recv_fd)
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{
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server_on_raw_recv_multi();
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}
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else
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if ((events[idx].data.u64 >>32u) == 1u)
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else if ((events[idx].data.u64 >>32u) == 1u)
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{
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//uint32_t conv_id=events[n].data.u64>>32u;
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@ -2416,7 +2474,7 @@ int server_event_loop()
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uint32_t port=p_conn_info->raw_info.recv_info.src_port;
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if(!conn_manager.exist(ip,port))//TODO remove this for peformance
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{
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mylog(log_fatal,"ip port no longer exits!!!this shouldnt happen\n", nfds);
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mylog(log_fatal,"ip port no longer exits 2!!!this shouldnt happen\n", nfds);
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myexit(-1);
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}
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@ -2431,32 +2489,29 @@ int server_event_loop()
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if(!conn_info.conv_manager->is_u64_used(fd))
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{
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mylog(log_debug,"conv no longer exists,udp fd %d\n",fd);
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int recv_len=recv(fd,buf,buf_len,0); ///////////TODO ,delete this
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int recv_len=recv(fd,0,0,0); ///////////TODO ,delete this
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continue;
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}
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uint32_t conv_id=conn_info.conv_manager->find_conv_by_u64(fd);
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int recv_len=recv(fd,buf,buf_len,0);
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mylog(log_trace,"received a packet from udp_fd,len:%d\n",recv_len);
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if(recv_len<0)
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{
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mylog(log_trace,"continue\n");
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//perror("wtf?");
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mylog(log_debug,"udp fd,recv_len<0 continue\n");
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continue;
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//return 0;
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}
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conn_info.conv_manager->update_active_time(conv_id);
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//conn_info.conv_manager->update_active_time(conv_id); server dosnt update from upd side,only update from raw side. (client updates at both side)
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if(conn_info.state.server_current_state==server_ready)
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{
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send_data_safer(conn_info,buf,recv_len,conv_id);
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//send_data(g_packet_info_send,buf,recv_len,my_id,oppsite_id,conv_id);
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mylog(log_trace,"send !!\n");
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mylog(log_trace,"send_data_safer ,sent !!\n");
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}
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}
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@ -2812,7 +2867,7 @@ void iptables_warn()
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}
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int main(int argc, char *argv[])
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{
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//assert(0==1);
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dup2(1, 2);//redirect stderr to stdout
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signal(SIGINT, INThandler);
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process_arg(argc,argv);
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