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performance optimization for dup_max=0

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This commit is contained in:
wangyu- 2017-09-27 11:11:06 -05:00
parent a13358cdb3
commit b1a47bb8ea
1 changed files with 30 additions and 2 deletions
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32
main.cpp
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@ -198,9 +198,15 @@ struct conn_manager_t //TODO change map to unordered map
}
int insert_fd(u32_t fd,u64_t u64)
{
int before=fd_last_active_time.bucket_count();
u64_to_fd[u64]=fd;
fd_to_u64[fd]=u64;
fd_last_active_time[fd]=get_current_time();
int after=fd_last_active_time.bucket_count();
if(after!=before)//rehash happens!
{
clear_it=fd_last_active_time.begin();
}
return 0;
}
int erase_fd(u32_t fd)
@ -422,7 +428,7 @@ int remove_seq(char * data,int &data_len)
seq=ntoh64(seq);
if(anti_replay.is_vaild(seq)==0)
{
if(disable_replay_filter==1)
if(disable_replay_filter==1) // inefficient, to make packet_recv_count++ work for only non-dup packet
return 0;
mylog(log_trace,"seq %llx dropped bc of replay-filter\n ",seq);
return -1;
@ -773,7 +779,18 @@ int event_loop()
if (ret < 0) {
mylog(log_warn, "send returned %d ,errno:%s\n", ret,strerror(errno));
}
add_and_new(new_udp_fd, dup_num - 1,random_between(dup_delay_min,dup_delay_max), data, data_len,u64);
if(dup_delay_max!=0)
{
add_and_new(new_udp_fd, dup_num - 1,random_between(dup_delay_min,dup_delay_max), data, data_len,u64);
}
else
{
for(int i=0;i<dup_num - 1;i++)
{
do_obscure(data, data_len, new_data, new_len);
ret = send_fd(new_udp_fd, new_data,new_len, 0);
}
}
}
else
{
@ -889,7 +906,18 @@ int event_loop()
do_obscure(data, data_len, new_data, new_len);
ret = sendto_u64(local_listen_fd, new_data,
new_len , 0,u64);
if(dup_delay_max!=0)
{
add_and_new(udp_fd, dup_num - 1,random_between(dup_delay_min,dup_delay_max), data, data_len,u64);
}
else
{
for(int i=0;i<dup_num-1;i++)
{
do_obscure(data, data_len, new_data, new_len);
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");