From ac368af4fe27f61f5a4209cdfe90956ff745993c Mon Sep 17 00:00:00 2001 From: sfan5 Date: Fri, 1 May 2020 21:44:28 +0200 Subject: [PATCH] Allow connection info to be missing from minetest.get_player_information() (#9739) fixes #9352 This reverts commit 23c907befea02005e2c0c87fca0131b60aace18a. --- doc/lua_api.txt | 11 ++-- src/network/connection.h | 6 +- src/script/lua_api/l_server.cpp | 102 ++++++++++++++++---------------- 3 files changed, 61 insertions(+), 58 deletions(-) diff --git a/doc/lua_api.txt b/doc/lua_api.txt index 5e4e18b62..f9107b623 100644 --- a/doc/lua_api.txt +++ b/doc/lua_api.txt @@ -4160,17 +4160,18 @@ Utilities { address = "127.0.0.1", -- IP address of client ip_version = 4, -- IPv4 / IPv6 + connection_uptime = 200, -- seconds since client connected + protocol_version = 32, -- protocol version used by client + formspec_version = 2, -- supported formspec version + lang_code = "fr" -- Language code used for translation + -- the following keys can be missing if no stats have been collected yet min_rtt = 0.01, -- minimum round trip time max_rtt = 0.2, -- maximum round trip time avg_rtt = 0.02, -- average round trip time min_jitter = 0.01, -- minimum packet time jitter max_jitter = 0.5, -- maximum packet time jitter avg_jitter = 0.03, -- average packet time jitter - connection_uptime = 200, -- seconds since client connected - protocol_version = 32, -- protocol version used by client - formspec_version = 2, -- supported formspec version - lang_code = "fr" -- Language code used for translation - -- following information is available on debug build only!!! + -- the following information is available in a debug build only!!! -- DO NOT USE IN MODS --ser_vers = 26, -- serialization version used by client --major = 0, -- major version number diff --git a/src/network/connection.h b/src/network/connection.h index 85f021c4c..47b0805ce 100644 --- a/src/network/connection.h +++ b/src/network/connection.h @@ -612,16 +612,16 @@ class Peer { struct rttstats { float jitter_min = FLT_MAX; float jitter_max = 0.0f; - float jitter_avg = -2.0f; + float jitter_avg = -1.0f; float min_rtt = FLT_MAX; float max_rtt = 0.0f; - float avg_rtt = -2.0f; + float avg_rtt = -1.0f; rttstats() = default; }; rttstats m_rtt; - float m_last_rtt = -2.0f; + float m_last_rtt = -1.0f; // current usage count unsigned int m_usage = 0; diff --git a/src/script/lua_api/l_server.cpp b/src/script/lua_api/l_server.cpp index 7137484e8..b6754938e 100644 --- a/src/script/lua_api/l_server.cpp +++ b/src/script/lua_api/l_server.cpp @@ -138,53 +138,54 @@ int ModApiServer::l_get_player_ip(lua_State *L) // get_player_information(name) int ModApiServer::l_get_player_information(lua_State *L) { - NO_MAP_LOCK_REQUIRED; - const char * name = luaL_checkstring(L, 1); - RemotePlayer *player = dynamic_cast(getEnv(L))->getPlayer(name); - if (player == NULL) { + + Server *server = getServer(L); + + const char *name = luaL_checkstring(L, 1); + RemotePlayer *player = server->getEnv().getPlayer(name); + if (!player) { lua_pushnil(L); // no such player return 1; } Address addr; - try - { - addr = getServer(L)->getPeerAddress(player->getPeerId()); - } catch(const con::PeerNotFoundException &) { + try { + addr = server->getPeerAddress(player->getPeerId()); + } catch (const con::PeerNotFoundException &) { dstream << FUNCTION_NAME << ": peer was not found" << std::endl; lua_pushnil(L); // error return 1; } - float min_rtt,max_rtt,avg_rtt,min_jitter,max_jitter,avg_jitter; + float min_rtt, max_rtt, avg_rtt, min_jitter, max_jitter, avg_jitter; ClientState state; u32 uptime; u16 prot_vers; - u8 ser_vers,major,minor,patch; - std::string vers_string; - std::string lang_code; - -#define ERET(code) \ - if (!(code)) { \ - dstream << FUNCTION_NAME << ": peer was not found" << std::endl; \ - lua_pushnil(L); /* error */ \ - return 1; \ + u8 ser_vers, major, minor, patch; + std::string vers_string, lang_code; + + auto getConInfo = [&] (con::rtt_stat_type type, float *value) -> bool { + return server->getClientConInfo(player->getPeerId(), type, value); + }; + + bool have_con_info = + getConInfo(con::MIN_RTT, &min_rtt) && + getConInfo(con::MAX_RTT, &max_rtt) && + getConInfo(con::AVG_RTT, &avg_rtt) && + getConInfo(con::MIN_JITTER, &min_jitter) && + getConInfo(con::MAX_JITTER, &max_jitter) && + getConInfo(con::AVG_JITTER, &avg_jitter); + + bool r = server->getClientInfo(player->getPeerId(), &state, &uptime, + &ser_vers, &prot_vers, &major, &minor, &patch, &vers_string, + &lang_code); + if (!r) { + dstream << FUNCTION_NAME << ": peer was not found" << std::endl; + lua_pushnil(L); // error + return 1; } - ERET(getServer(L)->getClientConInfo(player->getPeerId(), con::MIN_RTT, &min_rtt)) - ERET(getServer(L)->getClientConInfo(player->getPeerId(), con::MAX_RTT, &max_rtt)) - ERET(getServer(L)->getClientConInfo(player->getPeerId(), con::AVG_RTT, &avg_rtt)) - ERET(getServer(L)->getClientConInfo(player->getPeerId(), con::MIN_JITTER, - &min_jitter)) - ERET(getServer(L)->getClientConInfo(player->getPeerId(), con::MAX_JITTER, - &max_jitter)) - ERET(getServer(L)->getClientConInfo(player->getPeerId(), con::AVG_JITTER, - &avg_jitter)) - - ERET(getServer(L)->getClientInfo(player->getPeerId(), &state, &uptime, &ser_vers, - &prot_vers, &major, &minor, &patch, &vers_string, &lang_code)) - lua_newtable(L); int table = lua_gettop(L); @@ -202,29 +203,31 @@ int ModApiServer::l_get_player_information(lua_State *L) } lua_settable(L, table); - lua_pushstring(L,"min_rtt"); - lua_pushnumber(L, min_rtt); - lua_settable(L, table); + if (have_con_info) { // may be missing + lua_pushstring(L, "min_rtt"); + lua_pushnumber(L, min_rtt); + lua_settable(L, table); - lua_pushstring(L,"max_rtt"); - lua_pushnumber(L, max_rtt); - lua_settable(L, table); + lua_pushstring(L, "max_rtt"); + lua_pushnumber(L, max_rtt); + lua_settable(L, table); - lua_pushstring(L,"avg_rtt"); - lua_pushnumber(L, avg_rtt); - lua_settable(L, table); + lua_pushstring(L, "avg_rtt"); + lua_pushnumber(L, avg_rtt); + lua_settable(L, table); - lua_pushstring(L,"min_jitter"); - lua_pushnumber(L, min_jitter); - lua_settable(L, table); + lua_pushstring(L, "min_jitter"); + lua_pushnumber(L, min_jitter); + lua_settable(L, table); - lua_pushstring(L,"max_jitter"); - lua_pushnumber(L, max_jitter); - lua_settable(L, table); + lua_pushstring(L, "max_jitter"); + lua_pushnumber(L, max_jitter); + lua_settable(L, table); - lua_pushstring(L,"avg_jitter"); - lua_pushnumber(L, avg_jitter); - lua_settable(L, table); + lua_pushstring(L, "avg_jitter"); + lua_pushnumber(L, avg_jitter); + lua_settable(L, table); + } lua_pushstring(L,"connection_uptime"); lua_pushnumber(L, uptime); @@ -268,7 +271,6 @@ int ModApiServer::l_get_player_information(lua_State *L) lua_settable(L, table); #endif -#undef ERET return 1; } -- 2.25.1