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https://github.com/wangyu-/udp2raw.git
synced 2024-06-16 12:09:18 +00:00
delete unused codes, reduce diff with non-mp version
This commit is contained in:
wangyu-
parent
a3535364fa
commit
6ccf6ce3dc
49
client.cpp
49
client.cpp
@ -496,11 +496,9 @@ int client_on_raw_recv(conn_info_t &conn_info) //called when raw fd received a p
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if(ret<0)
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{
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mylog(log_warn,"sento returned %d,%s,%02x,%s\n",ret,strerror(errno),int(tmp_addr.get_type()),tmp_addr.get_str());
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mylog(log_warn,"sento returned %d,%s,%02x,%s\n",ret,get_sock_error(),int(tmp_addr.get_type()),tmp_addr.get_str());
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//perror("ret<0");
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}
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//mylog(log_trace,"%s :%d\n",inet_ntoa(tmp_sockaddr.sin_addr),ntohs(tmp_sockaddr.sin_port));
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mylog(log_trace,"%d byte sent\n",ret);
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}
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else
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{
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@ -525,7 +523,7 @@ int client_on_udp_recv(conn_info_t &conn_info)
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socklen_t udp_new_addr_len = sizeof(address_t::storage_t);
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if ((recv_len = recvfrom(udp_fd, buf, max_data_len+1, 0,
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(struct sockaddr *) &udp_new_addr_in, &udp_new_addr_len)) == -1) {
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mylog(log_warn,"recv_from error,%s\n",strerror(errno));
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mylog(log_warn,"recv_from error,%s\n",get_sock_error());
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//myexit(1);
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};
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@ -539,34 +537,9 @@ int client_on_udp_recv(conn_info_t &conn_info)
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{
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mylog(log_warn,"huge packet,data len=%d (>=%d).strongly suggested to set a smaller mtu at upper level,to get rid of this warn\n ",recv_len,mtu_warn);
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}
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//mylog(log_trace,"Received packet from %s:%d,len: %d\n", inet_ntoa(udp_new_addr_in.sin_addr),
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// ntohs(udp_new_addr_in.sin_port),recv_len);
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/*
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if(udp_old_addr_in.sin_addr.s_addr==0&&udp_old_addr_in.sin_port==0)
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{
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memcpy(&udp_old_addr_in,&udp_new_addr_in,sizeof(udp_new_addr_in));
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}
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else if(udp_new_addr_in.sin_addr.s_addr!=udp_old_addr_in.sin_addr.s_addr
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||udp_new_addr_in.sin_port!=udp_old_addr_in.sin_port)
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{
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if(get_current_time()- last_udp_recv_time <udp_timeout)
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{
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printf("new <ip,port> connected in,ignored,bc last connection is still active\n");
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continue;
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}
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else
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{
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printf("new <ip,port> connected in,accpeted\n");
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memcpy(&udp_old_addr_in,&udp_new_addr_in,sizeof(udp_new_addr_in));
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conv_id++;
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}
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}*/
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//last_udp_recv_time=get_current_time();
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address_t tmp_addr;
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tmp_addr.from_sockaddr((sockaddr *)&udp_new_addr_in,udp_new_addr_len);
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//u64_t u64=((u64_t(udp_new_addr_in.sin_addr.s_addr))<<32u)+ntohs(udp_new_addr_in.sin_port);
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u32_t conv;
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//u64_t u64;//////todo
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@ -590,14 +563,6 @@ int client_on_udp_recv(conn_info_t &conn_info)
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if(conn_info.state.client_current_state==client_ready)
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{
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/*
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char buf2[6000];
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int ret1=send_raw(conn_info.raw_info,buf2,40);
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int ret2=send_raw(conn_info.raw_info,buf2,500);
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int ret3=send_raw(conn_info.raw_info,buf2,1000);
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int ret4=send_raw(conn_info.raw_info,buf2,2000);
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mylog(log_warn,"ret= %d %d %d %d\n",ret1,ret2,ret3,ret4);*/
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send_data_safer(conn_info,buf,recv_len,conv);
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}
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return 0;
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@ -741,7 +706,6 @@ int client_event_loop()
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send_info.new_dst_ip.from_address_t(remote_addr);
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send_info.dst_port=remote_addr.get_port();
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@ -749,7 +713,7 @@ int client_event_loop()
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set_buf_size(udp_fd,socket_buf_size);
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if (bind(udp_fd, (struct sockaddr*) &local_addr.inner, local_addr.get_len()) == -1) {
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if (::bind(udp_fd, (struct sockaddr*) &local_addr.inner, local_addr.get_len()) == -1) {
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mylog(log_fatal,"socket bind error\n");
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//perror("socket bind error");
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myexit(1);
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@ -799,13 +763,6 @@ int client_event_loop()
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ev_io_init(&raw_recv_watcher, raw_recv_cb, raw_recv_fd, EV_READ);
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ev_io_start(loop, &raw_recv_watcher);
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////add_timer for fake_tcp_keep_connection_client
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//sleep(10);
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//memset(&udp_old_addr_in,0,sizeof(sockaddr_in));
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int unbind=1;
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//set_timer(epollfd,timer_fd);
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struct ev_timer clear_timer;
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38
common.cpp
38
common.cpp
@ -10,7 +10,7 @@
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#include "misc.h"
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static int random_number_fd=-1;
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//static int random_number_fd=-1;
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int force_socket_buf=0;
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@ -413,7 +413,7 @@ char * my_ntoa(u32_t ip)
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a.s_addr=ip;
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return inet_ntoa(a);
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}
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/*
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void init_random_number_fd()
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{
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@ -425,11 +425,30 @@ void init_random_number_fd()
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myexit(-1);
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}
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setnonblocking(random_number_fd);
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}
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}*/
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struct random_fd_t
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{
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int random_number_fd;
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random_fd_t()
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{
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random_number_fd=open("/dev/urandom",O_RDONLY);
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if(random_number_fd==-1)
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{
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mylog(log_fatal,"error open /dev/urandom\n");
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myexit(-1);
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}
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setnonblocking(random_number_fd);
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}
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int get_fd()
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{
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return random_number_fd;
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}
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}random_fd;
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u64_t get_true_random_number_64()
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{
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u64_t ret;
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int size=read(random_number_fd,&ret,sizeof(ret));
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int size=read(random_fd.get_fd(),&ret,sizeof(ret));
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if(size!=sizeof(ret))
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{
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mylog(log_fatal,"get random number failed %d\n",size);
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@ -441,7 +460,7 @@ u64_t get_true_random_number_64()
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u32_t get_true_random_number()
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{
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u32_t ret;
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int size=read(random_number_fd,&ret,sizeof(ret));
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int size=read(random_fd.get_fd(),&ret,sizeof(ret));
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if(size!=sizeof(ret))
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{
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mylog(log_fatal,"get random number failed %d\n",size);
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@ -518,6 +537,7 @@ u64_t read_u64(char * s)
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}
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void setnonblocking(int sock) {
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#if !defined(__MINGW32__)
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int opts;
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opts = fcntl(sock, F_GETFL);
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@ -532,9 +552,17 @@ void setnonblocking(int sock) {
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//perror("fcntl(sock,SETFL,opts)");
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myexit(1);
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}
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#else
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int iResult;
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u_long iMode = 1;
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iResult = ioctlsocket(sock, FIONBIO, &iMode);
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if (iResult != NO_ERROR)
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printf("ioctlsocket failed with error: %d\n", iResult);
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#endif
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}
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/*
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Generic checksum calculation function
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*/
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3
main.cpp
3
main.cpp
@ -53,6 +53,7 @@ int main(int argc, char *argv[])
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#endif
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pre_process_arg(argc,argv);
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if(program_mode==client_mode)
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{
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struct ev_loop* loop=ev_default_loop(0);
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@ -93,7 +94,7 @@ int main(int argc, char *argv[])
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mylog(log_info,"remote_ip=[%s], make sure this is a vaild IP address\n",remote_addr.get_ip());
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init_random_number_fd();
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//init_random_number_fd();
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srand(get_true_random_number_nz());
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const_id=get_true_random_number_nz();
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@ -247,10 +247,10 @@ int init_ifindex(const char * if_name,int fd,int &index);
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int find_lower_level_info(u32_t ip,u32_t &dest_ip,string &if_name,string &hw);
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int get_src_adress(u32_t &ip,u32_t remote_ip_uint32,int remote_port); //a trick to get src adress for a dest adress,so that we can use the src address in raw socket as source ip
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int get_src_adress2(address_t &output_addr,address_t remote_addr);
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int try_to_list_and_bind(int & bind_fd,u32_t local_ip_uint32,int port); //try to bind to a port,may fail.
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int try_to_list_and_bind2(int &fd,address_t address);
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int client_bind_to_a_new_port(int & bind_fd,u32_t local_ip_uint32);//find a free port and bind to it.
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int client_bind_to_a_new_port2(int &fd,const address_t& address);
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