add options:

get/set : recv-buffer-size
get/set : send-buffer-size

Signed-off-by: surenyi <surenyi82@163.com>

src/options.c

@@ -115,6 +115,26 @@ int opt_set_broadcast(lua_State *L, p_socket ps)
     return opt_setboolean(L, ps, SOL_SOCKET, SO_BROADCAST);
 }
 
+int opt_set_recv_buf_size(lua_State *L, p_socket ps)
+{
+	return opt_setint(L, ps, SOL_SOCKET, SO_RCVBUF);
+}
+
+int opt_get_recv_buf_size(lua_State *L, p_socket ps)
+{
+	return opt_getint(L, ps, SOL_SOCKET, SO_RCVBUF);
+}
+
+int opt_get_send_buf_size(lua_State *L, p_socket ps)
+{
+	return opt_getint(L, ps, SOL_SOCKET, SO_SNDBUF);
+}
+
+int opt_set_send_buf_size(lua_State *L, p_socket ps)
+{
+	return opt_setint(L, ps, SOL_SOCKET, SO_SNDBUF);
+}
+
 int opt_get_broadcast(lua_State *L, p_socket ps)
 {
     return opt_getboolean(L, ps, SOL_SOCKET, SO_BROADCAST);

src/options.h

@@ -37,6 +37,8 @@ int opt_set_ip6_multicast_loop(lua_State *L, p_socket ps);
 int opt_set_ip6_add_membership(lua_State *L, p_socket ps);
 int opt_set_ip6_drop_membersip(lua_State *L, p_socket ps);
 int opt_set_ip6_v6only(lua_State *L, p_socket ps);
+int opt_set_recv_buf_size(lua_State *L, p_socket ps);
+int opt_set_send_buf_size(lua_State *L, p_socket ps);
 
 /* supported options for getoption */
 int opt_get_dontroute(lua_State *L, p_socket ps);
@@ -54,6 +56,8 @@ int opt_get_ip6_multicast_hops(lua_State *L, p_socket ps);
 int opt_get_ip6_unicast_hops(lua_State *L, p_socket ps);
 int opt_get_ip6_v6only(lua_State *L, p_socket ps);
 int opt_get_reuseport(lua_State *L, p_socket ps);
+int opt_get_recv_buf_size(lua_State *L, p_socket ps);
+int opt_get_send_buf_size(lua_State *L, p_socket ps);
 
 /* invokes the appropriate option handler */
 int opt_meth_setoption(lua_State *L, p_opt opt, p_socket ps);

src/tcp.c

@@ -79,6 +79,8 @@ static t_opt optget[] = {
     {"tcp-nodelay", opt_get_tcp_nodelay},
     {"linger",      opt_get_linger},
     {"error",       opt_get_error},
+	{"recv-buffer-size",     opt_get_recv_buf_size},
+	{"send-buffer-size",     opt_get_send_buf_size},
     {NULL,          NULL}
 };
 
@@ -89,6 +91,8 @@ static t_opt optset[] = {
     {"tcp-nodelay", opt_set_tcp_nodelay},
     {"ipv6-v6only", opt_set_ip6_v6only},
     {"linger",      opt_set_linger},
+	{"recv-buffer-size",     opt_set_recv_buf_size},
+	{"send-buffer-size",     opt_set_send_buf_size},
     {NULL,          NULL}
 };
 

src/udp.c

@@ -88,6 +88,8 @@ static t_opt optset[] = {
     {"ipv6-add-membership",  opt_set_ip6_add_membership},
     {"ipv6-drop-membership", opt_set_ip6_drop_membersip},
     {"ipv6-v6only",          opt_set_ip6_v6only},
+	{"recv-buffer-size",     opt_set_recv_buf_size},
+	{"send-buffer-size",     opt_set_send_buf_size},
     {NULL,                   NULL}
 };
 
@@ -104,6 +106,8 @@ static t_opt optget[] = {
     {"ipv6-multicast-hops",  opt_get_ip6_unicast_hops},
     {"ipv6-multicast-loop",  opt_get_ip6_multicast_loop},
     {"ipv6-v6only",          opt_get_ip6_v6only},
+	{"recv-buffer-size",     opt_get_recv_buf_size},
+	{"send-buffer-size",     opt_get_send_buf_size},
     {NULL,                   NULL}
 };