From 3d7391b2faaf0434ef1a0d370d834f0df3342516 Mon Sep 17 00:00:00 2001
From: wangyu- <wangyucn@gmail.com>
Date: Sun, 15 Oct 2017 12:03:10 -0500
Subject: [PATCH] before add debug code

---
 fec_manager.cpp | 52 ++++++++++++++++++++++++-------------------------
 fec_manager.h   | 35 ++++++++++++++++++---------------
 main.cpp        | 22 ++++++++++++++-------
 3 files changed, 60 insertions(+), 49 deletions(-)

diff --git a/fec_manager.cpp b/fec_manager.cpp
index d00ae46..b41cb77 100644
--- a/fec_manager.cpp
+++ b/fec_manager.cpp
@@ -43,7 +43,7 @@ int blob_encode_t::input(char *s,int len)
 	assert(current_len+len+sizeof(u16_t) <=max_fec_packet_num*buf_len);
 	assert(len<=65535&&len>=0);
 	counter++;
-	assert(counter<=max_normal_packet_num);
+	assert(counter<=max_fec_pending_packet_num);
 	write_u16(buf+current_len,len);
 	current_len+=sizeof(u16_t);
 	memcpy(buf+current_len,s,len);
@@ -95,7 +95,7 @@ int blob_decode_t::output(int &n,char ** &s_arr,int *&len_arr)
 	if(parser_pos+(int)sizeof(u32_t)>current_len) return -1;
 
 	n=(int)read_u32(buf+parser_pos);
-	if(n>max_normal_packet_num) {mylog(log_info,"failed 1\n");return -1;}
+	if(n>max_fec_pending_packet_num) {mylog(log_info,"failed 1\n");return -1;}
 	s_arr=s_buf;
 	len_arr=len_buf;
 
@@ -172,11 +172,11 @@ int fec_encode_manager_t::append(char *s,int len/*,int &is_first_packet*/)
 	{
 		mylog(log_trace,"counter=%d\n",counter);
 		assert(len<=65535&&len>=0);
-		char * p=buf[counter]+sizeof(u32_t)+4*sizeof(char);
+		char * p=input_buf[counter]+sizeof(u32_t)+4*sizeof(char);
 		write_u16(p,(u16_t)((u32_t)len));
 		p+=sizeof(u16_t);
 		memcpy(p,s,len);//remember to change this,if protocol is modified
-		buf_s_len[counter]=len+sizeof(u16_t);
+		input_len[counter]=len+sizeof(u16_t);
 	}
 	else
 	{
@@ -247,8 +247,8 @@ int fec_encode_manager_t::input(char *s,int len/*,int &is_first_packet*/)
 
     		for(int i=0;i<counter;i++)
     		{
-    			assert(buf_s_len[i]>=0);
-    			if(buf_s_len[i]>fec_len) fec_len=buf_s_len[i];
+    			assert(input_len[i]>=0);
+    			if(input_len[i]>fec_len) fec_len=input_len[i];
     		}
 
     	}
@@ -259,43 +259,43 @@ int fec_encode_manager_t::input(char *s,int len/*,int &is_first_packet*/)
     	{
     		int tmp_idx=0;
 
-        	write_u32(buf[i] + tmp_idx, seq);
+        	write_u32(input_buf[i] + tmp_idx, seq);
 			tmp_idx += sizeof(u32_t);
-			buf[i][tmp_idx++] = (unsigned char) type;
+			input_buf[i][tmp_idx++] = (unsigned char) type;
 			if (type == 1 && i < actual_data_num)
 			{
-				buf[i][tmp_idx++] = (unsigned char) 0;
-				buf[i][tmp_idx++] = (unsigned char) 0;
+				input_buf[i][tmp_idx++] = (unsigned char) 0;
+				input_buf[i][tmp_idx++] = (unsigned char) 0;
 			} else
 			{
-				buf[i][tmp_idx++] = (unsigned char) actual_data_num;
-				buf[i][tmp_idx++] = (unsigned char) actual_redundant_num;
+				input_buf[i][tmp_idx++] = (unsigned char) actual_data_num;
+				input_buf[i][tmp_idx++] = (unsigned char) actual_redundant_num;
 			}
-			buf[i][tmp_idx++] = (unsigned char) i;
+			input_buf[i][tmp_idx++] = (unsigned char) i;
 
 
-    		tmp_output_buf[i]=buf[i]+tmp_idx; //////caution ,trick here.
+    		tmp_output_buf[i]=input_buf[i]+tmp_idx; //////caution ,trick here.
 
     		if(type==0)
     		{
         		output_len[i]=tmp_idx+fec_len;
         		if(i<actual_data_num)
         		{
-        			memcpy(buf[i]+tmp_idx,blob_output[i],fec_len);
+        			memcpy(input_buf[i]+tmp_idx,blob_output[i],fec_len);
         		}
     		}
     		else
     		{
     			if(i<actual_data_num)
     			{
-    				output_len[i]=tmp_idx+buf_s_len[i];
-    				memset(tmp_output_buf[i]+buf_s_len[i],0,fec_len-buf_s_len[i]);
+    				output_len[i]=tmp_idx+input_len[i];
+    				memset(tmp_output_buf[i]+input_len[i],0,fec_len-input_len[i]);
     			}
     			else
     				output_len[i]=tmp_idx+fec_len;
 
     		}
-    		output_buf[i]=buf[i];
+    		output_buf[i]=input_buf[i];
 
     	}
     	//output_len=blob_len+sizeof(u32_t)+4*sizeof(char);/////remember to change this 4,if modified the protocol
@@ -347,16 +347,16 @@ int fec_encode_manager_t::input(char *s,int len/*,int &is_first_packet*/)
     		output_n=1;
 
     		int tmp_idx=0;
-    		write_u32(buf[buf_idx]+tmp_idx,seq);
+    		write_u32(input_buf[buf_idx]+tmp_idx,seq);
     		tmp_idx+=sizeof(u32_t);
 
-    		buf[buf_idx][tmp_idx++]=(unsigned char)type;
-    		buf[buf_idx][tmp_idx++]=(unsigned char)0;
-    		buf[buf_idx][tmp_idx++]=(unsigned char)0;
-    		buf[buf_idx][tmp_idx++]=(unsigned char)((u32_t)buf_idx);
+    		input_buf[buf_idx][tmp_idx++]=(unsigned char)type;
+    		input_buf[buf_idx][tmp_idx++]=(unsigned char)0;
+    		input_buf[buf_idx][tmp_idx++]=(unsigned char)0;
+    		input_buf[buf_idx][tmp_idx++]=(unsigned char)((u32_t)buf_idx);
 
-    		output_len[0]=buf_s_len[buf_idx]+tmp_idx;
-    		output_buf[0]=buf[buf_idx];
+    		output_len[0]=input_len[buf_idx]+tmp_idx;
+    		output_buf[0]=input_buf[buf_idx];
     	}
     }
 
@@ -394,7 +394,7 @@ fec_decode_manager_t::fec_decode_manager_t()
 
 int fec_decode_manager_t::re_init()
 {
-	for(int i=0;i<(int)fec_buff_size;i++)
+	for(int i=0;i<(int)fec_buff_num;i++)
 		fec_data[i].used=0;
 	ready_for_output=0;
 	return 0;
diff --git a/fec_manager.h b/fec_manager.h
index 9cdd7d9..97540a0 100644
--- a/fec_manager.h
+++ b/fec_manager.h
@@ -12,10 +12,10 @@
 #include "log.h"
 #include "lib/rs.h"
 
-const int max_normal_packet_num=1000;
+const int max_fec_pending_packet_num=1000;
 const int max_fec_packet_num=255;
-const u32_t anti_replay_buff_size=30000;
-const u32_t fec_buff_size=3000;
+const u32_t anti_replay_buff_size=10000;
+const u32_t fec_buff_num=1000;
 
 
 struct anti_replay_t
@@ -27,7 +27,7 @@ struct anti_replay_t
 	anti_replay_t()
 	{
 		memset(replay_buffer,-1,sizeof(replay_buffer));
-		st.rehash(anti_replay_buff_size*10);
+		st.rehash(anti_replay_buff_size*3);
 		index=0;
 	}
 	void set_invaild(u32_t seq)
@@ -62,7 +62,6 @@ struct blob_encode_t
 	int current_len;
 	int counter;
 
-
 	char *output_arr[max_fec_packet_num+100];
 
 	blob_encode_t();
@@ -84,8 +83,8 @@ struct blob_decode_t
 	int last_len;
 	int counter;
 
-	char *s_buf[max_normal_packet_num+100];
-	int len_buf[max_normal_packet_num+100];
+	char *s_buf[max_fec_pending_packet_num+100];
+	int len_buf[max_fec_pending_packet_num+100];
 
 	blob_decode_t();
 	int clear();
@@ -95,26 +94,30 @@ struct blob_decode_t
 
 class fec_encode_manager_t
 {
+private:
+	u32_t seq;
+
+	int type;
 	int fec_data_num,fec_redundant_num;
 	int fec_mtu;
 	int fec_pending_num;
 	int fec_pending_time;
-	char buf[max_fec_packet_num+5][buf_len];
-	int buf_s_len[max_fec_packet_num+5];
+
+	char input_buf[max_fec_packet_num+5][buf_len];
+	int input_len[max_fec_packet_num+5];
 	char *output_buf[max_fec_packet_num+5];
 	int output_len[max_fec_packet_num+5];
-	int ready_for_output;
-	u32_t seq;
+
 	int counter;
 	int timer_fd;
 	u64_t timer_fd64;
 
+	int ready_for_output;
 	u32_t output_n;
 
-	int type;
-
 	blob_encode_t blob_encode;
 	int append(char *s,int len);
+
 public:
 	fec_encode_manager_t();
 	~fec_encode_manager_t();
@@ -147,7 +150,7 @@ struct fec_group_t
 class fec_decode_manager_t
 {
 	anti_replay_t anti_replay;
-	fec_data_t fec_data[fec_buff_size];
+	fec_data_t fec_data[fec_buff_num];
 	int index;
 	unordered_map<u32_t, fec_group_t> mp;
 	blob_decode_t blob_decode;
@@ -156,8 +159,8 @@ class fec_decode_manager_t
 	int output_n;
 	char ** output_s_arr;
 	int * output_len_arr;
-	char *output_s_arr_buf[max_normal_packet_num+100];
-	int output_len_arr_buf[max_normal_packet_num+100];
+	char *output_s_arr_buf[max_fec_pending_packet_num+100];
+	int output_len_arr_buf[max_fec_pending_packet_num+100];
 	int ready_for_output;
 public:
 	fec_decode_manager_t();
diff --git a/main.cpp b/main.cpp
index c18782d..8681d95 100644
--- a/main.cpp
+++ b/main.cpp
@@ -28,9 +28,10 @@ int jitter_max=0;
 int mtu_warn=1350;
 
 int disable_mtu_warn=0;
+int disable_fec=1;
 
 int fec_data_num=20;
-int fec_redundant_num=8;
+int fec_redundant_num=10;
 int fec_mtu=1000;
 int fec_pending_num=30;
 int fec_pending_time=10000;
@@ -125,13 +126,14 @@ int delay_send(my_time_t delay,const dest_t &dest,char *data,int len)
 }
 int from_normal_to_fec(conn_info_t & conn_info,char *data,int len,int & out_n,char **&out_arr,int *&out_len,int *&out_delay)
 {
+
 	static int out_delay_buf[max_fec_packet_num+100]={0};
 	//static int out_len_buf[max_fec_packet_num+100]={0};
 	static int counter=0;
 	out_delay=out_delay_buf;
 	//out_len=out_len_buf;
 
-	if(0)
+	if(disable_fec)
 	{
 		if(data==0) return 0;
 		out_n=1;
@@ -158,10 +160,14 @@ int from_normal_to_fec(conn_info_t & conn_info,char *data,int len,int & out_n,ch
 
 		conn_info.fec_encode_manager.output(out_n,out_arr,out_len);
 
-
+		for(int i=0;i<out_n;i++)
+		{
+			out_delay_buf[i]=0;
+		}
 
 	}
 
+	mylog(log_debug,"from_normal_to_fec input_len=%d,output_n=%d\n",len,out_n);
 	//for(int i=0;i<n;i++)
 	//{
 		//delay_send(0,dest,s_arr[i],s_len);
@@ -172,9 +178,9 @@ int from_normal_to_fec(conn_info_t & conn_info,char *data,int len,int & out_n,ch
 }
 int from_fec_to_normal(conn_info_t & conn_info,char *data,int len,int & out_n,char **&out_arr,int *&out_len,int *&out_delay)
 {
-	static int out_delay_buf[max_normal_packet_num+100]={0};
+	static int out_delay_buf[max_fec_pending_packet_num+100]={0};
 	out_delay=out_delay_buf;
-	if(0)
+	if(disable_fec)
 	{
 		if(data==0) return 0;
 		out_n=1;
@@ -195,11 +201,13 @@ int from_fec_to_normal(conn_info_t & conn_info,char *data,int len,int & out_n,ch
 		conn_info.fec_decode_manager.output(out_n,out_arr,out_len);
 		for(int i=0;i<out_n;i++)
 		{
-			//out_delay_buf[i]=100*i;
+			out_delay_buf[i]=0;
 		}
 
 	}
 
+	mylog(log_debug,"from_fec_to_normal input_len=%d,output_n=%d\n",len,out_n);
+
 //	printf("<n:%d>",n);
 	/*
 	for(int i=0;i<n;i++)
@@ -642,7 +650,7 @@ int server_event_loop()
 					u64_t timer_fd64=conn_info.timer.get_timer_fd64();
 					fd_manager.get_info(timer_fd64).ip_port=ip_port;
 
-					mylog(log_info,"new connection from %s,conn_info.timer_fd %lld,\n",ip_port.to_s(),timer.get_timer_fd64());
+					mylog(log_info,"new connection from %s\n",ip_port.to_s());
 
 				}
 				conn_info_t &conn_info=conn_manager.find(ip_port);