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introduce huge_buf_len and huge_data_len

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wangyu
2020-07-15 03:59:58 -04:00
parent b3e06de4cb
commit 79bb28fd12
4 changed files with 20 additions and 19 deletions
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22
network.cpp
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@@ -43,7 +43,7 @@ const u32_t receive_window_lower_bound=40960;
const u32_t receive_window_random_range=512;
const unsigned char wscale=0x05;
char g_packet_buf[buf_len]; //looks dirty but works well
char g_packet_buf[huge_buf_len]; //looks dirty but works well
int g_packet_buf_len=-1;
int g_packet_buf_cnt=0;
@@ -834,37 +834,37 @@ int pre_recv_raw_packet()
assert(g_packet_buf_cnt==0);
g_sockaddr_len=sizeof(g_sockaddr.ll);
g_packet_buf_len = recvfrom(raw_recv_fd, g_packet_buf, max_data_len+1, 0 ,(sockaddr*)&g_sockaddr , &g_sockaddr_len);
g_packet_buf_len = recvfrom(raw_recv_fd, g_packet_buf, huge_data_len+1, 0 ,(sockaddr*)&g_sockaddr , &g_sockaddr_len);
//assert(g_sockaddr_len==sizeof(g_sockaddr.ll)); //g_sockaddr_len=18, sizeof(g_sockaddr.ll)=20, why its not equal? maybe its bc sll_halen is 6?
//assert(g_addr_ll_size==sizeof(g_addr_ll));
if(g_packet_buf_len==max_data_len+1)
if(g_packet_buf_len==huge_data_len+1)
{
if(g_fix_gro==0)
{
mylog(log_warn,"huge packet, data_len %d > %d(max_data_len),dropped\n",g_packet_buf_len,max_data_len);
mylog(log_warn,"huge packet, data_len %d > %d,dropped\n",g_packet_buf_len,huge_data_len);
return -1;
}
else
{
mylog(log_debug,"huge packet, data_len %d > %d(max_data_len),not dropped\n",g_packet_buf_len,max_data_len);
g_packet_buf_len=max_data_len;
mylog(log_debug,"huge packet, data_len %d > %d,not dropped\n",g_packet_buf_len,huge_data_len);
g_packet_buf_len=huge_data_len;
}
}
if(g_packet_buf_len> single_max_data_len+1)
if(g_packet_buf_len> max_data_len+1)
{
if(g_fix_gro==0)
{
mylog(log_warn, "huge packet, data_len %d > %d(single_max_data_len) dropped, maybe you need to turn down mtu at upper level, or you may take a look at --fix-gro\n", g_packet_buf_len,
single_max_data_len);
mylog(log_warn, "huge packet, data_len %d > %d(max_data_len) dropped, maybe you need to turn down mtu at upper level, or you may take a look at --fix-gro\n", g_packet_buf_len,
max_data_len);
return -1;
}
else
{
mylog(log_debug, "huge packet, data_len %d > %d(single_max_data_len) not dropped\n", g_packet_buf_len,
single_max_data_len);
mylog(log_debug, "huge packet, data_len %d > %d(max_data_len) not dropped\n", g_packet_buf_len,
max_data_len);
//return -1;
}