mirror of
https://github.com/wangyu-/UDPspeeder.git
synced 2025-01-19 06:19:34 +08:00
919 lines
23 KiB
C++
919 lines
23 KiB
C++
#include "common.h"
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#include "log.h"
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#include "git_version.h"
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#include "lib/rs.h"
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#include "packet.h"
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#include "conn_manager.h"
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#include "classic.h"
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using namespace std;
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typedef unsigned long long u64_t; //this works on most platform,avoid using the PRId64
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typedef long long i64_t;
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typedef unsigned int u32_t;
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typedef int i32_t;
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int dup_num=1;
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int dup_delay_min=20; //0.1ms
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int dup_delay_max=20;
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//int dup_first_delay=9000; //0.1ms
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int jitter_min=0;
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int jitter_max=0;
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int random_number_fd=-1;
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int remote_fd=-1;
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int local_fd=-1;
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int is_client = 0, is_server = 0;
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int local_listen_fd=-1;
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int mtu_warn=1350;
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u32_t remote_address_uint32=0;
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char local_address[100], remote_address[100];
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int local_port = -1, remote_port = -1;
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int multi_process_mode=0;
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int random_drop=0;
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u64_t last_report_time=0;
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int report_interval=0;
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int max_pending_packet=0;
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conn_manager_t conn_manager;
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int VVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVVV;
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typedef u64_t my_time_t;
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struct delay_data
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{
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int fd;
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int times_left;
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char * data;
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int len;
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u64_t u64;
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};
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int delay_timer_fd;
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int sendto_u64 (int fd,char * buf, int len,int flags, u64_t u64)
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{
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if(is_server)
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{
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dup_packet_send_count++;
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}
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if(is_server&&random_drop!=0)
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{
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if(get_true_random_number()%10000<(u32_t)random_drop)
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{
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return 0;
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}
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}
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sockaddr_in tmp_sockaddr;
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memset(&tmp_sockaddr,0,sizeof(tmp_sockaddr));
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tmp_sockaddr.sin_family = AF_INET;
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tmp_sockaddr.sin_addr.s_addr = (u64 >> 32u);
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tmp_sockaddr.sin_port = htons(uint16_t((u64 << 32u) >> 32u));
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return sendto(fd, buf,
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len , 0,
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(struct sockaddr *) &tmp_sockaddr,
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sizeof(tmp_sockaddr));
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}
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int send_fd (int fd,char * buf, int len,int flags)
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{
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if(is_client)
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{
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dup_packet_send_count++;
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}
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if(is_client&&random_drop!=0)
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{
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if(get_true_random_number()%10000<(u32_t)random_drop)
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{
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return 0;
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}
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}
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return send(fd,buf,len,flags);
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}
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multimap<my_time_t,delay_data> delay_mp;
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int add_to_delay_mp(int fd,int times_left,u32_t delay,char * buf,int len,u64_t u64)
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{
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if(max_pending_packet!=0&&int(delay_mp.size()) >=max_pending_packet)
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{
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mylog(log_warn,"max pending packet reached,ignored\n");
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return 0;
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}
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delay_data tmp;
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tmp.data = buf;
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tmp.fd = fd;
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tmp.times_left = times_left;
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tmp.len = len;
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tmp.u64=u64;
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my_time_t tmp_time=get_current_time_us();
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tmp_time+=delay*100;
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delay_mp.insert(make_pair(tmp_time,tmp));
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return 0;
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}
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int add_and_new(int fd,int times_left,u32_t delay,char * buf,int len,u64_t u64)
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{
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if(times_left<=0) return -1;
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char * str= (char *)malloc(len);
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memcpy(str,buf,len);
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add_to_delay_mp(fd,times_left,delay,str,len,u64);
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return 0;
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}
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multimap<u64_t,delay_data> new_delay_mp;
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void handler(int num) {
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int status;
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int pid;
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while ((pid = waitpid(-1, &status, WNOHANG)) > 0) {
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if (WIFEXITED(status)) {
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//printf("The child exit with code %d",WEXITSTATUS(status));
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}
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}
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}
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void check_delay_map()
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{
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if(!delay_mp.empty())
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{
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my_time_t current_time;
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multimap<my_time_t,delay_data>::iterator it;
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while(1)
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{
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int ret=0;
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it=delay_mp.begin();
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if(it==delay_mp.end()) break;
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current_time=get_current_time_us();
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if(it->first < current_time||it->first ==current_time)
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{
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if (is_client) {
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if (conn_manager.exist_fd(it->second.fd)) {
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u64_t u64 = conn_manager.find_u64_by_fd(it->second.fd);
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if (u64 != it->second.u64) {
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it->second.times_left = 0; //fd has been deleted and recreated
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// 偷懒的做法
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} else {
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char new_data[buf_len];
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int new_len = 0;
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do_obscure(it->second.data, it->second.len,
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new_data, new_len);
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ret = send_fd(it->second.fd, new_data, new_len, 0);
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}
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} else {
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it->second.times_left = 0;
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}
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} else {
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if (conn_manager.exist_fd(it->second.fd)) {
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u64_t u64 = conn_manager.find_u64_by_fd(it->second.fd);
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if (u64 != it->second.u64) {
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it->second.times_left = 0;//fd has been deleted and recreated
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// 偷懒的做法
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} else {
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char new_data[buf_len];
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int new_len = 0;
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do_obscure(it->second.data, it->second.len,
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new_data, new_len);
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sendto_u64(local_listen_fd, new_data, new_len, 0,
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u64);
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}
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} else {
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it->second.times_left = 0;
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}
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}
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if (ret < 0) {
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mylog(log_debug, "send return %d at @300", ret);
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}
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if(it->second.times_left>1)
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{
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//delay_mp.insert(pair<my_time,delay_data>(current_time));
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add_to_delay_mp(it->second.fd,it->second.times_left-1,random_between(dup_delay_min,dup_delay_max),it->second.data,it->second.len,it->second.u64);
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}
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else
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{
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free(it->second.data);
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}
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delay_mp.erase(it);
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}
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else
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{
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break;
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}
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}
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if(!delay_mp.empty())
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{
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itimerspec its;
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memset(&its.it_interval,0,sizeof(its.it_interval));
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its.it_value.tv_sec=delay_mp.begin()->first/1000000llu;
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its.it_value.tv_nsec=(delay_mp.begin()->first%1000000llu)*1000llu;
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timerfd_settime(delay_timer_fd,TFD_TIMER_ABSTIME,&its,0);
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}
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}
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}
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int event_loop()
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{
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struct sockaddr_in local_me, local_other;
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local_listen_fd = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
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int yes = 1;
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//setsockopt(local_listen_fd, SOL_SOCKET, SO_REUSEADDR, &yes, sizeof(yes));
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set_buf_size(local_listen_fd,4*1024*1024);
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setnonblocking(local_listen_fd);
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//char data[buf_len];
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//char *data=data0;
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socklen_t slen = sizeof(sockaddr_in);
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memset(&local_me, 0, sizeof(local_me));
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local_me.sin_family = AF_INET;
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local_me.sin_port = htons(local_port);
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local_me.sin_addr.s_addr = inet_addr(local_address);
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if (bind(local_listen_fd, (struct sockaddr*) &local_me, slen) == -1)
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{
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mylog(log_fatal,"socket bind error");
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myexit(1);
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}
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int epollfd = epoll_create1(0);
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const int max_events = 4096;
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struct epoll_event ev, events[max_events];
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if (epollfd < 0)
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{
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mylog(log_fatal,"epoll created return %d\n", epollfd);
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myexit(-1);
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}
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ev.events = EPOLLIN;
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ev.data.fd = local_listen_fd;
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int ret = epoll_ctl(epollfd, EPOLL_CTL_ADD, local_listen_fd, &ev);
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if(ret!=0)
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{
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mylog(log_fatal,"epoll created return %d\n", epollfd);
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myexit(-1);
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}
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int clear_timer_fd=-1;
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set_timer_ms(epollfd,clear_timer_fd,timer_interval);
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if ((delay_timer_fd = timerfd_create(CLOCK_MONOTONIC, TFD_NONBLOCK)) < 0)
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{
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mylog(log_fatal,"timer_fd create error");
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myexit(1);
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}
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ev.events = EPOLLIN;
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ev.data.fd = delay_timer_fd;
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itimerspec zero_its;
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memset(&zero_its, 0, sizeof(zero_its));
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timerfd_settime(delay_timer_fd, TFD_TIMER_ABSTIME, &zero_its, 0);
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epoll_ctl(epollfd, EPOLL_CTL_ADD, delay_timer_fd, &ev);
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if (ret < 0)
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{
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mylog(log_fatal,"epoll_ctl return %d\n", ret);
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myexit(-1);
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}
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for (;;)
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{
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int nfds = epoll_wait(epollfd, events, max_events, 180 * 1000); //3mins
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if (nfds < 0)
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{
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mylog(log_fatal,"epoll_wait return %d\n", nfds);
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myexit(-1);
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}
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int n;
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int clear_triggered=0;
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for (n = 0; n < nfds; ++n)
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{
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if (events[n].data.fd == local_listen_fd) //data income from local end
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{
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char data[buf_len];
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int data_len;
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slen = sizeof(sockaddr_in);
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if ((data_len = recvfrom(local_listen_fd, data, max_data_len, 0,
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(struct sockaddr *) &local_other, &slen)) == -1) //<--first packet from a new ip:port turple
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{
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mylog(log_error,"recv_from error,errno %s,this shouldnt happen,but lets try to pretend it didnt happen",strerror(errno));
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//myexit(1);
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continue;
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}
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mylog(log_trace, "received data from listen fd,%s:%d, len=%d\n", my_ntoa(local_other.sin_addr.s_addr),ntohs(local_other.sin_port),data_len);
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if(data_len>mtu_warn)
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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 ",data_len,mtu_warn);
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}
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data[data_len] = 0; //for easier debug
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u64_t u64=pack_u64(local_other.sin_addr.s_addr,ntohs(local_other.sin_port));
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if(!conn_manager.exist_u64(u64))
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{
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if(int(conn_manager.fd_to_u64.size())>=max_conv_num)
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{
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mylog(log_info,"new connection from %s:%d ,but ignored,bc of max_conv_num reached\n",my_ntoa(local_other.sin_addr.s_addr),ntohs(local_other.sin_port));
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continue;
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}
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int new_udp_fd;
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if(create_new_udp(new_udp_fd,remote_address_uint32,remote_port)!=0)
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{
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mylog(log_info,"new connection from %s:%d ,but create udp fd failed\n",my_ntoa(local_other.sin_addr.s_addr),ntohs(local_other.sin_port));
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continue;
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}
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struct epoll_event ev;
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mylog(log_trace, "u64: %lld\n", u64);
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ev.events = EPOLLIN;
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ev.data.fd = new_udp_fd;
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ret = epoll_ctl(epollfd, EPOLL_CTL_ADD, new_udp_fd, &ev);
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if (ret != 0) {
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mylog(log_info,"new connection from %s:%d ,but add to epoll failed\n",my_ntoa(local_other.sin_addr.s_addr),ntohs(local_other.sin_port));
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close(new_udp_fd);
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continue;
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}
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mylog(log_info,"new connection from %s:%d ,created new udp fd %d\n",my_ntoa(local_other.sin_addr.s_addr),ntohs(local_other.sin_port),new_udp_fd);
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conn_manager.insert_fd(new_udp_fd,u64);
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}
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int new_udp_fd=conn_manager.find_fd_by_u64(u64);
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conn_manager.update_active_time(new_udp_fd);
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int ret;
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if(is_client)
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{
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add_seq(data,data_len);
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if(jitter_max==0)
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{
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char new_data[buf_len];
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int new_len=0;
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do_obscure(data, data_len, new_data, new_len);
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ret = send_fd(new_udp_fd, new_data,new_len, 0);
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if (ret < 0) {
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mylog(log_warn, "send returned %d ,errno:%s\n", ret,strerror(errno));
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}
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add_and_new(new_udp_fd, dup_num - 1,random_between(dup_delay_min,dup_delay_max), data, data_len,u64);
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}
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else
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{
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add_and_new(new_udp_fd, dup_num,random_between(jitter_min,jitter_max), data, data_len,u64);
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}
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packet_send_count++;
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}
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else
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{
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char new_data[buf_len];
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int new_len;
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if (de_obscure(data, data_len, new_data, new_len) != 0) {
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mylog(log_trace,"de_obscure failed \n");
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continue;
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}
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//dup_packet_recv_count++;
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if (remove_seq(new_data, new_len) != 0) {
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mylog(log_trace,"remove_seq failed \n");
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continue;
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}
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//packet_recv_count++;
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ret = send_fd(new_udp_fd, new_data,new_len, 0);
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if (ret < 0) {
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mylog(log_warn, "send returned %d,%s\n", ret,strerror(errno));
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//perror("what happened????");
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}
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}
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}
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else if(events[n].data.fd == clear_timer_fd)
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{
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clear_triggered=1;
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if(report_interval!=0 &&get_current_time()-last_report_time>u64_t(report_interval)*1000)
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{
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last_report_time=get_current_time();
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if(is_client)
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mylog(log_info,"client-->server: %llu,%llu(include dup); server-->client %llu,%lld(include dup)\n",packet_send_count,
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dup_packet_send_count,packet_recv_count,dup_packet_recv_count);
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else
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mylog(log_info,"client-->server: %llu,%llu(include dup); server-->client %llu,%lld(include dup)\n",packet_recv_count,dup_packet_recv_count,packet_send_count,
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dup_packet_send_count);
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}
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}
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else if (events[n].data.fd == delay_timer_fd)
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{
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uint64_t value;
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read(delay_timer_fd, &value, 8);
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//printf("<timerfd_triggered, %d>",delay_mp.size());
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//fflush(stdout);
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}
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else
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{
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int udp_fd=events[n].data.fd;
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if(!conn_manager.exist_fd(udp_fd)) continue;
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char data[buf_len];
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int data_len =recv(udp_fd,data,max_data_len,0);
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mylog(log_trace, "received data from udp fd %d, len=%d\n", udp_fd,data_len);
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if(data_len<0)
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{
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if(errno==ECONNREFUSED)
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{
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//conn_manager.clear_list.push_back(udp_fd);
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mylog(log_debug, "recv failed %d ,udp_fd%d,errno:%s\n", data_len,udp_fd,strerror(errno));
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}
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mylog(log_warn, "recv failed %d ,udp_fd%d,errno:%s\n", data_len,udp_fd,strerror(errno));
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continue;
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}
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if(data_len>mtu_warn)
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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 ",data_len,mtu_warn);
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}
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assert(conn_manager.exist_fd(udp_fd));
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conn_manager.update_active_time(udp_fd);
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u64_t u64=conn_manager.find_u64_by_fd(udp_fd);
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if(is_client)
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{
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char new_data[buf_len];
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int new_len;
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if (de_obscure(data, data_len, new_data, new_len) != 0) {
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mylog(log_debug,"data_len=%d \n",data_len);
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continue;
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}
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//dup_packet_recv_count++;
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if (remove_seq(new_data, new_len) != 0) {
|
||
mylog(log_debug,"remove_seq error \n");
|
||
continue;
|
||
}
|
||
//packet_recv_count++;
|
||
ret = sendto_u64(local_listen_fd, new_data,
|
||
new_len , 0,u64);
|
||
if (ret < 0) {
|
||
mylog(log_warn, "sento returned %d,%s\n", ret,strerror(errno));
|
||
//perror("ret<0");
|
||
}
|
||
}
|
||
else
|
||
{
|
||
add_seq(data,data_len);
|
||
|
||
if(jitter_max==0)
|
||
{
|
||
char new_data[buf_len];
|
||
int new_len=0;
|
||
do_obscure(data, data_len, new_data, new_len);
|
||
ret = sendto_u64(local_listen_fd, new_data,
|
||
new_len , 0,u64);
|
||
add_and_new(udp_fd, dup_num - 1,random_between(dup_delay_min,dup_delay_max), data, data_len,u64);
|
||
if (ret < 0) {
|
||
mylog(log_warn, "sento returned %d,%s\n", ret,strerror(errno));
|
||
//perror("ret<0");
|
||
}
|
||
}
|
||
else
|
||
{
|
||
add_and_new(udp_fd, dup_num,random_between(jitter_min,jitter_max), data, data_len,u64);
|
||
}
|
||
packet_send_count++;
|
||
|
||
|
||
}
|
||
|
||
//mylog(log_trace, "%s :%d\n", inet_ntoa(tmp_sockaddr.sin_addr),
|
||
// ntohs(tmp_sockaddr.sin_port));
|
||
//mylog(log_trace, "%d byte sent\n", ret);
|
||
|
||
}
|
||
}
|
||
check_delay_map();
|
||
conn_manager.check_clear_list();
|
||
if(clear_triggered) // 删除操作在epoll event的最后进行，防止event cache中的fd失效。
|
||
{
|
||
u64_t value;
|
||
read(clear_timer_fd, &value, 8);
|
||
mylog(log_trace, "timer!\n");
|
||
conn_manager.clear_inactive();
|
||
}
|
||
}
|
||
myexit(0);
|
||
return 0;
|
||
}
|
||
int unit_test()
|
||
{
|
||
int i,j,k;
|
||
void *code=fec_new(3,6);
|
||
char arr[6][100]=
|
||
{
|
||
"aaa","bbb","ccc"
|
||
,"ddd","eee","fff"
|
||
};
|
||
char *data[6];
|
||
for(i=0;i<6;i++)
|
||
{
|
||
data[i]=arr[i];
|
||
}
|
||
rs_encode(code,data,3);
|
||
//printf("%d %d",(int)(unsigned char)arr[5][0],(int)('a'^'b'^'c'^'d'^'e'));
|
||
|
||
for(i=0;i<6;i++)
|
||
{
|
||
printf("<%s>",data[i]);
|
||
}
|
||
|
||
data[0]=0;
|
||
//data[1]=0;
|
||
//data[5]=0;
|
||
|
||
int ret=rs_decode(code,data,3);
|
||
printf("ret:%d\n",ret);
|
||
|
||
for(i=0;i<6;i++)
|
||
{
|
||
printf("<%s>",data[i]);
|
||
}
|
||
fec_free(code);
|
||
return 0;
|
||
}
|
||
void print_help()
|
||
{
|
||
char git_version_buf[100]={0};
|
||
strncpy(git_version_buf,gitversion,10);
|
||
|
||
printf("UDPspeeder\n");
|
||
printf("git version:%s ",git_version_buf);
|
||
printf("build date:%s %s\n",__DATE__,__TIME__);
|
||
printf("repository: https://github.com/wangyu-/UDPspeeder\n");
|
||
printf("\n");
|
||
printf("usage:\n");
|
||
printf(" run as client : ./this_program -c -l local_listen_ip:local_port -r server_ip:server_port [options]\n");
|
||
printf(" run as server : ./this_program -s -l server_listen_ip:server_port -r remote_ip:remote_port [options]\n");
|
||
printf("\n");
|
||
printf("common option,must be same on both sides:\n");
|
||
printf(" -k,--key <string> key for simple xor encryption,default:\"secret key\"\n");
|
||
|
||
printf("main options:\n");
|
||
printf(" -d <number> duplicated packet number, -d 0 means no duplicate. default value:0\n");
|
||
printf(" -t <number> duplicated packet delay time, unit: 0.1ms,default value:20(2ms)\n");
|
||
printf(" -j <number> simulated jitter.randomly delay first packet for 0~jitter_value*0.1 ms,to\n");
|
||
printf(" create simulated jitter.default value:0.do not use if you dont\n");
|
||
printf(" know what it means\n");
|
||
printf(" --report <number> turn on udp send/recv report,and set a time interval for reporting,unit:s\n");
|
||
printf("advanced options:\n");
|
||
printf(" -t tmin:tmax simliar to -t above,but delay randomly between tmin and tmax\n");
|
||
printf(" -j jmin:jmax simliar to -j above,but create jitter randomly between jmin and jmax\n");
|
||
printf(" --random-drop <number> simulate packet loss ,unit:0.01%%\n");
|
||
printf(" --disable-filter disable duplicate packet filter.\n");
|
||
printf(" -m <number> max pending packets,to prevent the program from eating up all your memory,\n");
|
||
printf(" default value:0(disabled).\n");
|
||
printf("other options:\n");
|
||
printf(" --log-level <number> 0:never 1:fatal 2:error 3:warn \n");
|
||
printf(" 4:info (default) 5:debug 6:trace\n");
|
||
printf(" --log-position enable file name,function name,line number in log\n");
|
||
printf(" --disable-color disable log color\n");
|
||
printf(" --sock-buf <number> buf size for socket,>=10 and <=10240,unit:kbyte,default:1024\n");
|
||
//printf(" -p use multi-process mode instead of epoll.very costly,only for test,do dont use\n");
|
||
printf(" -h,--help print this help message\n");
|
||
|
||
//printf("common options,these options must be same on both side\n");
|
||
}
|
||
void process_arg(int argc, char *argv[])
|
||
{
|
||
int i, j, k;
|
||
int opt;
|
||
static struct option long_options[] =
|
||
{
|
||
{"log-level", required_argument, 0, 1},
|
||
{"log-position", no_argument, 0, 1},
|
||
{"disable-color", no_argument, 0, 1},
|
||
{"disable-filter", no_argument, 0, 1},
|
||
{"sock-buf", required_argument, 0, 1},
|
||
{"random-drop", required_argument, 0, 1},
|
||
{"report", required_argument, 0, 1},
|
||
{NULL, 0, 0, 0}
|
||
};
|
||
int option_index = 0;
|
||
if (argc == 1)
|
||
{
|
||
print_help();
|
||
myexit( -1);
|
||
}
|
||
for (i = 0; i < argc; i++)
|
||
{
|
||
if(strcmp(argv[i],"--unit-test")==0)
|
||
{
|
||
unit_test();
|
||
myexit(0);
|
||
}
|
||
}
|
||
for (i = 0; i < argc; i++)
|
||
{
|
||
if(strcmp(argv[i],"-h")==0||strcmp(argv[i],"--help")==0)
|
||
{
|
||
print_help();
|
||
myexit(0);
|
||
}
|
||
}
|
||
for (i = 0; i < argc; i++)
|
||
{
|
||
if(strcmp(argv[i],"--log-level")==0)
|
||
{
|
||
if(i<argc -1)
|
||
{
|
||
sscanf(argv[i+1],"%d",&log_level);
|
||
if(0<=log_level&&log_level<log_end)
|
||
{
|
||
}
|
||
else
|
||
{
|
||
log_bare(log_fatal,"invalid log_level\n");
|
||
myexit(-1);
|
||
}
|
||
}
|
||
}
|
||
if(strcmp(argv[i],"--disable-color")==0)
|
||
{
|
||
enable_log_color=0;
|
||
}
|
||
}
|
||
|
||
mylog(log_info,"argc=%d ", argc);
|
||
|
||
for (i = 0; i < argc; i++) {
|
||
log_bare(log_info, "%s ", argv[i]);
|
||
}
|
||
log_bare(log_info, "\n");
|
||
|
||
if (argc == 1)
|
||
{
|
||
print_help();
|
||
myexit(-1);
|
||
}
|
||
|
||
int no_l = 1, no_r = 1;
|
||
while ((opt = getopt_long(argc, argv, "l:r:d:t:hcspk:j:m:",long_options,&option_index)) != -1)
|
||
{
|
||
//string opt_key;
|
||
//opt_key+=opt;
|
||
switch (opt)
|
||
{
|
||
case 'p':
|
||
multi_process_mode=1;
|
||
break;
|
||
case 'k':
|
||
sscanf(optarg,"%s\n",key_string);
|
||
mylog(log_debug,"key=%s\n",key_string);
|
||
if(strlen(key_string)==0)
|
||
{
|
||
mylog(log_fatal,"key len=0??\n");
|
||
myexit(-1);
|
||
}
|
||
break;
|
||
|
||
case 'm':
|
||
sscanf(optarg,"%d\n",&max_pending_packet);
|
||
if(max_pending_packet<1000)
|
||
{
|
||
mylog(log_fatal,"max_pending_packet must be >1000\n");
|
||
myexit(-1);
|
||
}
|
||
break;
|
||
|
||
case 'j':
|
||
if (strchr(optarg, ':') == 0)
|
||
{
|
||
int jitter;
|
||
sscanf(optarg,"%d\n",&jitter);
|
||
if(jitter<0 ||jitter>1000*100)
|
||
{
|
||
mylog(log_fatal,"jitter must be between 0 and 100,000(10 second)\n");
|
||
myexit(-1);
|
||
}
|
||
jitter_min=0;
|
||
jitter_max=jitter;
|
||
}
|
||
else
|
||
{
|
||
sscanf(optarg,"%d:%d\n",&jitter_min,&jitter_max);
|
||
if(jitter_min<0 ||jitter_max<0||jitter_min>jitter_max)
|
||
{
|
||
mylog(log_fatal," must satisfy 0<=jmin<=jmax\n");
|
||
myexit(-1);
|
||
}
|
||
}
|
||
break;
|
||
case 't':
|
||
if (strchr(optarg, ':') == 0)
|
||
{
|
||
int dup_delay=-1;
|
||
sscanf(optarg,"%d\n",&dup_delay);
|
||
if(dup_delay<1||dup_delay>1000*100)
|
||
{
|
||
mylog(log_fatal,"dup_delay must be between 1 and 100,000(10 second)\n");
|
||
myexit(-1);
|
||
}
|
||
dup_delay_min=dup_delay_max=dup_delay;
|
||
}
|
||
else
|
||
{
|
||
sscanf(optarg,"%d:%d\n",&dup_delay_min,&dup_delay_max);
|
||
if(dup_delay_min<1 ||dup_delay_max<1||dup_delay_min>dup_delay_max)
|
||
{
|
||
mylog(log_fatal," must satisfy 1<=dmin<=dmax\n");
|
||
myexit(-1);
|
||
}
|
||
}
|
||
break;
|
||
case 'd':
|
||
dup_num=-1;
|
||
sscanf(optarg,"%d\n",&dup_num);
|
||
if(dup_num<0 ||dup_num>5)
|
||
{
|
||
mylog(log_fatal,"dup_num must be between 0 and 5\n");
|
||
myexit(-1);
|
||
}
|
||
dup_num+=1;
|
||
break;
|
||
case 'c':
|
||
is_client = 1;
|
||
break;
|
||
case 's':
|
||
is_server = 1;
|
||
break;
|
||
case 'l':
|
||
no_l = 0;
|
||
if (strchr(optarg, ':') != 0)
|
||
{
|
||
sscanf(optarg, "%[^:]:%d", local_address, &local_port);
|
||
}
|
||
else
|
||
{
|
||
mylog(log_fatal," -r ip:port\n");
|
||
myexit(1);
|
||
strcpy(local_address, "127.0.0.1");
|
||
sscanf(optarg, "%d", &local_port);
|
||
}
|
||
break;
|
||
case 'r':
|
||
no_r = 0;
|
||
if (strchr(optarg, ':') != 0)
|
||
{
|
||
//printf("in :\n");
|
||
//printf("%s\n",optarg);
|
||
sscanf(optarg, "%[^:]:%d", remote_address, &remote_port);
|
||
//printf("%d\n",remote_port);
|
||
}
|
||
else
|
||
{
|
||
mylog(log_fatal," -r ip:port\n");
|
||
myexit(1);
|
||
strcpy(remote_address, "127.0.0.1");
|
||
sscanf(optarg, "%d", &remote_port);
|
||
}
|
||
break;
|
||
case 'h':
|
||
break;
|
||
case 1:
|
||
if(strcmp(long_options[option_index].name,"log-level")==0)
|
||
{
|
||
}
|
||
else if(strcmp(long_options[option_index].name,"disable-filter")==0)
|
||
{
|
||
disable_replay_filter=1;
|
||
//enable_log_color=0;
|
||
}
|
||
else if(strcmp(long_options[option_index].name,"disable-color")==0)
|
||
{
|
||
//enable_log_color=0;
|
||
}
|
||
else if(strcmp(long_options[option_index].name,"log-position")==0)
|
||
{
|
||
enable_log_position=1;
|
||
}
|
||
else if(strcmp(long_options[option_index].name,"random-drop")==0)
|
||
{
|
||
sscanf(optarg,"%d",&random_drop);
|
||
if(random_drop<0||random_drop>10000)
|
||
{
|
||
mylog(log_fatal,"random_drop must be between 0 10000 \n");
|
||
myexit(-1);
|
||
}
|
||
}
|
||
else if(strcmp(long_options[option_index].name,"report")==0)
|
||
{
|
||
sscanf(optarg,"%d",&report_interval);
|
||
|
||
if(report_interval<=0)
|
||
{
|
||
mylog(log_fatal,"report_interval must be >0 \n");
|
||
myexit(-1);
|
||
}
|
||
}
|
||
else if(strcmp(long_options[option_index].name,"sock-buf")==0)
|
||
{
|
||
int tmp=-1;
|
||
sscanf(optarg,"%d",&tmp);
|
||
if(10<=tmp&&tmp<=10*1024)
|
||
{
|
||
socket_buf_size=tmp*1024;
|
||
}
|
||
else
|
||
{
|
||
mylog(log_fatal,"sock-buf value must be between 1 and 10240 (kbyte) \n");
|
||
myexit(-1);
|
||
}
|
||
}
|
||
else
|
||
{
|
||
mylog(log_fatal,"unknown option\n");
|
||
myexit(-1);
|
||
}
|
||
break;
|
||
default:
|
||
mylog(log_fatal,"unknown option <%x>", opt);
|
||
myexit(-1);
|
||
}
|
||
}
|
||
|
||
if (no_l)
|
||
mylog(log_fatal,"error: -i not found\n");
|
||
if (no_r)
|
||
mylog(log_fatal,"error: -o not found\n");
|
||
if (no_l || no_r)
|
||
myexit(-1);
|
||
if (is_client == 0 && is_server == 0)
|
||
{
|
||
mylog(log_fatal,"-s -c hasnt been set\n");
|
||
myexit(-1);
|
||
}
|
||
if (is_client == 1 && is_server == 1)
|
||
{
|
||
mylog(log_fatal,"-s -c cant be both set\n");
|
||
myexit(-1);
|
||
}
|
||
}
|
||
|
||
int main(int argc, char *argv[])
|
||
{
|
||
assert(sizeof(u64_t)==8);
|
||
assert(sizeof(i64_t)==8);
|
||
assert(sizeof(u32_t)==4);
|
||
assert(sizeof(i32_t)==4);
|
||
dup2(1, 2); //redirect stderr to stdout
|
||
int i, j, k;
|
||
process_arg(argc,argv);
|
||
init_random_number_fd();
|
||
|
||
remote_address_uint32=inet_addr(remote_address);
|
||
|
||
if(!multi_process_mode)
|
||
{
|
||
event_loop();
|
||
}
|
||
else
|
||
{
|
||
}
|
||
|
||
|
||
return 0;
|
||
}
|
||
|