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https://github.com/wangyu-/udp2raw.git
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reduce diff
This commit is contained in:
wangyu-
parent
8331610e7a
commit
c72480110f
12
client.cpp
12
client.cpp
@ -10,7 +10,6 @@
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int client_on_timer(conn_info_t &conn_info) //for client. called when a timer is ready in epoll
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{
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//keep_iptables_rule();
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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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@ -117,7 +116,6 @@ int client_on_timer(conn_info_t &conn_info) //for client. called when a timer is
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mylog(log_info,"state changed from client_idle to client_tcp_handshake\n");
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}
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}
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conn_info.last_state_time=get_current_time();
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conn_info.last_hb_sent_time=0;
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@ -321,7 +319,6 @@ int client_on_raw_recv(conn_info_t &conn_info) //called when raw fd received a p
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if(conn_info.state.client_current_state==client_idle )
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{
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discard_raw_packet();
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//recv(raw_recv_fd, 0,0, 0 );
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}
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@ -354,7 +351,6 @@ int client_on_raw_recv(conn_info_t &conn_info) //called when raw fd received a p
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mylog(log_info,"state changed from client_tcp_dummy to client_handshake1\n");
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//send_info.ack_seq=recv_info.seq+1;
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}
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conn_info.state.client_current_state = client_handshake1;
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conn_info.last_state_time = get_current_time();
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@ -385,17 +381,14 @@ int client_on_raw_recv(conn_info_t &conn_info) //called when raw fd received a p
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mylog(log_debug,"too short to be a handshake\n");
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return -1;
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}
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//id_t tmp_oppsite_id= ntohl(* ((u32_t *)&data[0]));
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my_id_t tmp_oppsite_id;
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memcpy(&tmp_oppsite_id,&data[0],sizeof(tmp_oppsite_id));
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tmp_oppsite_id=ntohl(tmp_oppsite_id);
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//id_t tmp_my_id=ntohl(* ((u32_t *)&data[sizeof(id_t)]));
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my_id_t tmp_my_id;
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memcpy(&tmp_my_id,&data[sizeof(my_id_t)],sizeof(tmp_my_id));
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tmp_my_id=ntohl(tmp_my_id);
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//id_t tmp_oppsite_const_id=ntohl(* ((u32_t *)&data[sizeof(id_t)*2]));
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my_id_t tmp_oppsite_const_id;
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memcpy(&tmp_oppsite_const_id,&data[sizeof(my_id_t)*2],sizeof(tmp_oppsite_const_id));
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tmp_oppsite_const_id=ntohl(tmp_oppsite_const_id);
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@ -424,7 +417,6 @@ int client_on_raw_recv(conn_info_t &conn_info) //called when raw fd received a p
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mylog(log_info,"changed state from to client_handshake1 to client_handshake2,my_id is %x,oppsite id is %x\n",conn_info.my_id,conn_info.oppsite_id);
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//send_handshake(raw_info,conn_info.my_id,conn_info.oppsite_id,const_id); //////////////send
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conn_info.state.client_current_state = client_handshake2;
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conn_info.last_state_time = get_current_time();
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conn_info.last_hb_sent_time=0;
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@ -467,7 +459,6 @@ int client_on_raw_recv(conn_info_t &conn_info) //called when raw fd received a p
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if(hb_mode==0)
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conn_info.last_hb_recv_time=get_current_time();
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//u32_t tmp_conv_id= ntohl(* ((u32_t *)&data[0]));
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u32_t tmp_conv_id;
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memcpy(&tmp_conv_id,&data[0],sizeof(tmp_conv_id));
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tmp_conv_id=ntohl(tmp_conv_id);
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@ -481,7 +472,6 @@ int client_on_raw_recv(conn_info_t &conn_info) //called when raw fd received a p
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conn_info.blob->conv_manager.c.update_active_time(tmp_conv_id);
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//u64_t u64=conn_info.blob->conv_manager.c.find_data_by_conv(tmp_conv_id);
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address_t tmp_addr=conn_info.blob->conv_manager.c.find_data_by_conv(tmp_conv_id);
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//sockaddr_in tmp_sockaddr={0};
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@ -542,7 +532,6 @@ int client_on_udp_recv(conn_info_t &conn_info)
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tmp_addr.from_sockaddr((sockaddr *)&udp_new_addr_in,udp_new_addr_len);
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u32_t conv;
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//u64_t u64;//////todo
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if(!conn_info.blob->conv_manager.c.is_data_used(tmp_addr))
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{
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if(conn_info.blob->conv_manager.c.get_size() >=max_conv_num)
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@ -788,6 +777,5 @@ int client_event_loop()
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}
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ev_run(loop, 0);
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return 0;
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}
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22
common.cpp
22
common.cpp
@ -9,9 +9,10 @@
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#include "log.h"
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#include "misc.h"
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#include <random>
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#include <cmath>
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//static int random_number_fd=-1;
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int force_socket_buf=0;
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int address_t::from_str(char *str)
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@ -322,15 +323,12 @@ int my_ip_t::from_address_t(address_t tmp_addr)
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int my_ip_t::from_str(char * str)
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{
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u32_t type;
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if(strchr(str,':')==NULL)
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type=AF_INET;
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else
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type=AF_INET6;
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int ret;
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ret=inet_pton(type, str,this);
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if(ret==0) // 0 if address type doesnt match
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{
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mylog(log_error,"confusion in parsing %s, %d\n",str,ret);
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@ -454,7 +452,6 @@ u64_t get_true_random_number_64()
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mylog(log_fatal,"get random number failed %d\n",size);
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myexit(-1);
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}
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return ret;
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}
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u32_t get_true_random_number()
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@ -478,6 +475,11 @@ u32_t get_true_random_number_nz() //nz for non-zero
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return ret;
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}
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inline int is_big_endian()
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{
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int i=1;
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return ! *((char *)&i);
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}
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u64_t ntoh64(u64_t a)
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{
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#ifdef UDP2RAW_LITTLE_ENDIAN
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@ -495,7 +497,6 @@ u64_t hton64(u64_t a)
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return ntoh64(a);
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}
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void write_u16(char * p,u16_t w)
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{
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*(unsigned char*)(p + 1) = (w & 0xff);
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@ -562,7 +563,6 @@ void setnonblocking(int sock) {
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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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@ -641,12 +641,12 @@ int set_buf_size(int fd,int socket_buf_size)
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{
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if(setsockopt(fd, SOL_SOCKET, SO_SNDBUF, &socket_buf_size, sizeof(socket_buf_size))<0)
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{
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mylog(log_fatal,"SO_SNDBUF fail socket_buf_size=%d errno=%s\n",socket_buf_size,strerror(errno));
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mylog(log_fatal,"SO_SNDBUF fail socket_buf_size=%d errno=%s\n",socket_buf_size,get_sock_error());
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myexit(1);
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}
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if(setsockopt(fd, SOL_SOCKET, SO_RCVBUF, &socket_buf_size, sizeof(socket_buf_size))<0)
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{
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mylog(log_fatal,"SO_RCVBUF fail socket_buf_size=%d errno=%s\n",socket_buf_size,strerror(errno));
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mylog(log_fatal,"SO_RCVBUF fail socket_buf_size=%d errno=%s\n",socket_buf_size,get_sock_error());
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myexit(1);
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}
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}
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@ -1096,7 +1096,6 @@ void print_binary_chars(const char * a,int len)
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log_bare(log_debug,"\n");
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}
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u32_t djb2(unsigned char *str,int len)
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{
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u32_t hash = 5381;
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@ -1123,6 +1122,3 @@ u32_t sdbm(unsigned char *str,int len)
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//hash=htonl(hash);
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return hash;
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}
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@ -9,7 +9,6 @@
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#include "encrypt.h"
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#include "fd_manager.h"
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int disable_anti_replay=0;//if anti_replay windows is diabled
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@ -346,7 +345,6 @@ int conn_manager_t::clear_inactive0()
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int send_bare(raw_info_t &raw_info,const char* data,int len)//send function with encryption but no anti replay,this is used when client and server verifys each other
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//you have to design the protocol carefully, so that you wont be affect by relay attack
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{
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@ -594,7 +592,8 @@ int reserved_parse_safer(conn_info_t &conn_info,const char * input,int input_len
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}
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else
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{
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assert(0==1);
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mylog(log_fatal,"unknow hb_mode\n");
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myexit(-1);
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}
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@ -30,7 +30,8 @@ void fd_manager_t::fd64_close(fd64_t fd64)
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{
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fd_info_mp.erase(fd64);
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}
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assert(close(fd)==0);
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//assert(close(fd)==0);
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sock_close(fd);
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}
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void fd_manager_t::reserve(int n)
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{
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16
main.cpp
16
main.cpp
@ -26,23 +26,9 @@ void sigint_cb(struct ev_loop *l, ev_signal *w, int revents)
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int client_event_loop();
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int server_event_loop();
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/*
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int test()
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{
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char ip_str[100]="8.8.8.8";
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u32_t ip=inet_addr(ip_str);
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u32_t dest_ip;
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string if_name;
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string hw;
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find_lower_level_info(ip,dest_ip,if_name,hw);
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printf("%s %s %s\n",my_ntoa(dest_ip),if_name.c_str(),hw.c_str());
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exit(0);
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return 0;
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}*/
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int main(int argc, char *argv[])
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{
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assert(sizeof(unsigned short)==2);
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assert(sizeof(unsigned int)==4);
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assert(sizeof(unsigned long long)==8);
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@ -79,7 +65,6 @@ int main(int argc, char *argv[])
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signal(SIGTERM, signal_handler);
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signal(SIGQUIT, signal_handler);
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}
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#if !defined(__MINGW32__)
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if(geteuid() != 0)
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{
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@ -91,7 +76,6 @@ int main(int argc, char *argv[])
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}
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#endif
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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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20
misc.cpp
20
misc.cpp
@ -15,10 +15,8 @@
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int hb_mode=1;
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int hb_len=1200;
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char hb_buf[buf_len];
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int mtu_warn=1375;//if a packet larger than mtu warn is receviced,there will be a warning
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int max_rst_to_show=15;
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@ -91,6 +89,8 @@ int about_to_exit=0;
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int socket_buf_size=1024*1024;
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//int force_socket_buf=0;
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//char lower_level_arg[1000];
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@ -129,7 +129,6 @@ void print_help()
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printf("udp2raw-tunnel\n");
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printf("git version:%s ",git_version_buf);
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printf("build date:%s %s\n",__DATE__,__TIME__);
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printf("repository: https://github.com/wangyu-/udp2raw-tunnel\n");
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printf("\n");
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printf("usage:\n");
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@ -199,7 +198,7 @@ int load_config(char *file_name, int &argc, vector<string> &argv) //load conf fi
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std::string line;
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if(conf_file.fail())
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{
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mylog(log_fatal,"conf_file %s open failed,reason :%s\n",file_name,strerror(errno));
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mylog(log_fatal,"conf_file %s open failed,reason :%s\n",file_name,get_sock_error());
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myexit(-1);
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}
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while(std::getline(conf_file,line))
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@ -419,7 +418,6 @@ void process_arg(int argc, char *argv[]) //process all options
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} else {
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mylog(log_fatal,"invalid parameter for -l ,%s,should be ip:port\n",optarg);
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myexit(-1);
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}*/
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break;
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case 'r':
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@ -483,7 +481,6 @@ void process_arg(int argc, char *argv[]) //process all options
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{
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clear_iptables=1;
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}
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else if(strcmp(long_options[option_index].name,"source-ip")==0)
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{
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mylog(log_debug,"parsing long option :source-ip\n");
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@ -604,6 +601,10 @@ void process_arg(int argc, char *argv[]) //process all options
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{
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//enable_log_color=0;
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}
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else if(strcmp(long_options[option_index].name,"enable-color")==0)
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{
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//enable_log_color=0;
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}
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else if(strcmp(long_options[option_index].name,"debug")==0)
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{
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debug_flag=1;
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@ -768,9 +769,6 @@ void process_arg(int argc, char *argv[]) //process all options
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raw_ip_version=local_addr.get_type();
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}
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//if(lower_level)
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//process_lower_level_arg();
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mylog(log_info,"important variables: ");
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log_bare(log_info,"log_level=%d:%s ",log_level,log_text[log_level]);
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@ -1191,7 +1189,6 @@ int set_timer_server(int epollfd,int &timer_fd,fd64_t &fd64)//only for server
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return 0;
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}
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int handle_lower_level(raw_info_t &raw_info)//fill lower_level info,when --lower-level is enabled,only for server
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{
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packet_info_t &send_info=raw_info.send_info;
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@ -1363,6 +1360,3 @@ void signal_handler(int sig)
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about_to_exit=1;
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// myexit(0);
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}
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