add reading and writing into netstat

lualib-src/lua-socket.c

@@ -758,6 +758,10 @@ getinfo(lua_State *L, struct socket_info *si) {
 	lua_setfield(L, -2, "rtime");
 	lua_pushinteger(L, si->wtime);
 	lua_setfield(L, -2, "wtime");
+	lua_pushboolean(L, si->reading);
+	lua_setfield(L, -2, "reading");
+	lua_pushboolean(L, si->writing);
+	lua_setfield(L, -2, "writing");
 	if (si->name[0]) {
 		lua_pushstring(L, si->name);
 		lua_setfield(L, -2, "peer");

skynet-src/socket_info.h

@@ -18,6 +18,8 @@ struct socket_info {
 	uint64_t rtime;
 	uint64_t wtime;
 	int64_t wbuffer;
+	uint8_t reading;
+	uint8_t writing;
 	char name[128];
 	struct socket_info *next;
 };

skynet-src/socket_server.c

@@ -2185,6 +2185,8 @@ query_info(struct socket *s, struct socket_info *si) {
 	si->rtime = s->stat.rtime;
 	si->wtime = s->stat.wtime;
 	si->wbuffer = s->wb_size;
+	si->reading = s->reading;
+	si->writing = s->writing;
 
 	return 1;
 }