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added TFO for listening socket

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yrutschle 2019-03-10 10:11:06 +01:00
parent b0c3c8fdbc
commit 4e725e1520
2 changed files with 25 additions and 0 deletions
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21
common.c
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@ -86,6 +86,24 @@ int get_fd_sockets(int *sockfd[])
return sd; return sd;
} }
/* Set TCP_FASTOPEN on listening socket if all client protocols support it */
int make_listen_tfo(int s)
{
int i, qlen = 5;
/* Don't do it if not supported */
if (!TCP_FASTOPEN)
return;
/* Don't do it if any protocol does not specify it */
for (i = 0; i < cfg.protocols_len; i++) {
if (! cfg.protocols[i].tfo_ok)
return;
}
return setsockopt(s, SOL_SOCKET, TCP_FASTOPEN, (char*)&qlen, sizeof(qlen));
}
/* Starts listening sockets on specified addresses. /* Starts listening sockets on specified addresses.
* IN: addr[], num_addr * IN: addr[], num_addr
* OUT: *sockfd[] pointer to newly-allocated array of file descriptors * OUT: *sockfd[] pointer to newly-allocated array of file descriptors
@ -134,6 +152,9 @@ int start_listen_sockets(int *sockfd[], struct addrinfo *addr_list)
res = setsockopt((*sockfd)[i], SOL_SOCKET, SO_REUSEADDR, (char*)&one, sizeof(one)); res = setsockopt((*sockfd)[i], SOL_SOCKET, SO_REUSEADDR, (char*)&one, sizeof(one));
check_res_dump(CR_DIE, res, addr, "setsockopt(SO_REUSEADDR)"); check_res_dump(CR_DIE, res, addr, "setsockopt(SO_REUSEADDR)");
res = make_listen_tfo((*sockfd)[i]);
check_res_dump(CR_WARN, res, addr, "setsockopt(TCP_FASTOPEN)");
if (addr->ai_flags & SO_KEEPALIVE) { if (addr->ai_flags & SO_KEEPALIVE) {
res = setsockopt((*sockfd)[i], SOL_SOCKET, SO_KEEPALIVE, (char*)&one, sizeof(one)); res = setsockopt((*sockfd)[i], SOL_SOCKET, SO_KEEPALIVE, (char*)&one, sizeof(one));
check_res_dump(CR_DIE, res, addr, "setsockopt(SO_KEEPALIVE)"); check_res_dump(CR_DIE, res, addr, "setsockopt(SO_KEEPALIVE)");

4
common.h
View File

@ -67,6 +67,10 @@
#define IP_FREEBIND 0 #define IP_FREEBIND 0
#endif #endif
#ifndef TCP_FASTOPEN
#define TCP_FASTOPEN 0
#endif
#ifndef TCP_FASTOPEN_CONNECT #ifndef TCP_FASTOPEN_CONNECT
#define TCP_FASTOPEN_CONNECT 30 /* Attempt FastOpen with connect. */ #define TCP_FASTOPEN_CONNECT 30 /* Attempt FastOpen with connect. */
#endif #endif