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set socket options in sockets received by systemd as well.

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This commit is contained in:
Nikos Mavrogiannopoulos
2013-12-30 22:58:34 +01:00
parent 6cf43e6d20
commit f344ced1d0
1 changed files with 29 additions and 14 deletions
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src/main.c
+29 -14
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@@ -104,6 +104,27 @@ static void add_listener(struct listen_list_st *list,
list->total++;
}
static void set_udp_socket_options(int fd)
{
int y;
#if defined(IP_DONTFRAG)
y = 1;
if (setsockopt(fd, SOL_IP, IP_DONTFRAG,
(const void *) &y, sizeof(y)) < 0)
perror("setsockopt(IP_DF) failed");
#elif defined(IP_MTU_DISCOVER)
y = IP_PMTUDISC_DO;
if (setsockopt(fd, IPPROTO_IP, IP_MTU_DISCOVER,
(const void *) &y, sizeof(y)) < 0)
perror("setsockopt(IP_DF) failed");
#endif
}
static void set_common_socket_options(int fd)
{
set_cloexec_flag (fd, 1);
}
static
int _listen_ports(struct cfg_st* config, struct addrinfo *res, struct listen_list_st *list)
{
@@ -134,7 +155,7 @@ int _listen_ports(struct cfg_st* config, struct addrinfo *res, struct listen_lis
perror("socket() failed");
continue;
}
#if defined(IPV6_V6ONLY)
if (ptr->ai_family == AF_INET6) {
y = 1;
@@ -151,21 +172,12 @@ int _listen_ports(struct cfg_st* config, struct addrinfo *res, struct listen_lis
perror("setsockopt(SO_REUSEADDR) failed");
}
set_common_socket_options(s);
if (ptr->ai_socktype == SOCK_DGRAM) {
#if defined(IP_DONTFRAG)
y = 1;
if (setsockopt(s, SOL_IP, IP_DONTFRAG,
(const void *) &y, sizeof(y)) < 0)
perror("setsockopt(IP_DF) failed");
#elif defined(IP_MTU_DISCOVER)
y = IP_PMTUDISC_DO;
if (setsockopt(s, IPPROTO_IP, IP_MTU_DISCOVER,
(const void *) &y, sizeof(y)) < 0)
perror("setsockopt(IP_DF) failed");
#endif
set_udp_socket_options(s);
}
set_cloexec_flag (s, 1);
if (bind(s, ptr->ai_addr, ptr->ai_addrlen) < 0) {
perror("bind() failed");
@@ -228,7 +240,10 @@ listen_ports(struct cfg_st* config, struct listen_list_st *list, const char *nod
else
continue;
set_cloexec_flag (fd, 1);
set_common_socket_options(fd);
if (type == SOCK_DGRAM)
set_udp_socket_options(fd);
add_listener(list, fd, family, type, 0, NULL, 0);
}