void
ngx_http_lua_inject_socket_tcp_api(ngx_log_t *log, lua_State *L)
{
ngx_int_t rc;
//void lua_createtable (lua_State *L, int narr, int nrec);
//创建一个新的table并将之放在栈顶.narr是该table数组部分的长度,nrec是该table hash部分的长度.
//当我们确切的知道要放多少元素到table的时候,使用这个函数,lua可以预分配一些内存,提升性能.
//如果不确定要存放多少元素可以使用 lua_newtable 函数来创建table.
lua_createtable(L, 0, 4 /* nrec */); /* ngx.socket */
lua_pushcfunction(L, ngx_http_lua_socket_tcp);//栈顶
////////////////////////////////
//
// 2 -1 ngx_http_lua_socket_tcp
// 1 -2 {}
//////////////////////////////////////
lua_pushvalue(L, -1);
////////////////////////////////
//
// 3 -1 ngx_http_lua_socket_tcp
// 2 -2 ngx_http_lua_socket_tcp
// 1 -3 {}
//////////////////////////////////////
lua_setfield(L, -3, "tcp");
////////////////////////////////
//
// 2 -1 ngx_http_lua_socket_tcp
// 1 -2 {"tcp"=ngx_http_lua_socket_tcp}
//////////////////////////////////////
lua_setfield(L, -2, "stream");
////////////////////////////////
//
// 1 -1 {"tcp"=ngx_http_lua_socket_tcp, "stream" = ngx_http_lua_socket_tcp}
//////////////////////////////////////
{
const char buf[] = "local sock = ngx.socket.tcp()"
" local ok, err = sock:connect(...)"
" if ok then return sock else return nil, err end";
//载入并编译内存中的一段Lua代码，然后作为一个代码块(称为chunk)压入栈中/
rc = luaL_loadbuffer(L, buf, sizeof(buf) - 1, "=ngx.socket.connect");//
}
////////////////////////////////
// 2 -1 "local sock ...."
// 1 -2 {"tcp"=ngx_http_lua_socket_tcp, "stream" = ngx_http_lua_socket_tcp}
//////////////////////////////////////
if (rc != NGX_OK) {
ngx_log_error(NGX_LOG_CRIT, log, 0,
"failed to load Lua code for ngx.socket.connect(): %i",
rc);
} else {
lua_setfield(L, -2, "connect");
////////////////////////////////
//
// 1 -1 {"tcp"=ngx_http_lua_socket_tcp, "stream" = ngx_http_lua_socket_tcp, "connect"="local sock ...."}
//////////////////////////////////////
}
lua_setfield(L, -2, "socket");
////////////////////////////////
//
// 1 -1 {"socket"={"tcp"=ngx_http_lua_socket_tcp, "stream" = ngx_http_lua_socket_tcp, "connect"="local sock ...."}}
//////////////////////////////////////
/* {{{req socket object metatable */
lua_pushlightuserdata(L, &ngx_http_lua_req_socket_metatable_key);
lua_createtable(L, 0 /* narr */, 5 /* nrec */);
////////////////////////////////
// 3 -1 {}
// 2 -2 ngx_http_lua_req_socket_metatable_key
// 1 -3 {"socket"={"tcp"=ngx_http_lua_socket_tcp, "stream" = ngx_http_lua_socket_tcp, "connect"="local sock ...."}}
//////////////////////////////////////
lua_pushcfunction(L, ngx_http_lua_socket_tcp_receive);
////////////////////////////////
// 4 -1 ngx_http_lua_socket_tcp_receive
// 3 -2 {}
// 2 -3 ngx_http_lua_req_socket_metatable_key
// 1 -4 {"socket"={"tcp"=ngx_http_lua_socket_tcp, "stream" = ngx_http_lua_socket_tcp, "connect"="local sock ...."}}
//////////////////////////////////////
lua_setfield(L, -2, "receive");
////////////////////////////////
// 3 -1 {"receive"=ngx_http_lua_socket_tcp_receive}
// 2 -2 ngx_http_lua_req_socket_metatable_key
// 1 -3 {"socket"={"tcp"=ngx_http_lua_socket_tcp, "stream" = ngx_http_lua_socket_tcp, "connect"="local sock ...."}}
//////////////////////////////////////
lua_pushcfunction(L, ngx_http_lua_socket_tcp_receiveuntil);
lua_setfield(L, -2, "receiveuntil");
////////////////////////////////
// 3 -1 {"receive"=ngx_http_lua_socket_tcp_receive, "receiveuntil"=ngx_http_lua_socket_tcp_receiveuntil}
// 2 -2 ngx_http_lua_req_socket_metatable_key
// 1 -3 {"socket"={"tcp"=ngx_http_lua_socket_tcp, "stream" = ngx_http_lua_socket_tcp, "connect"="local sock ...."}}
//////////////////////////////////////
lua_pushcfunction(L, ngx_http_lua_socket_tcp_settimeout);
lua_setfield(L, -2, "settimeout"); /* ngx socket mt */
////////////////////////////////
// 3 -1 {"receive"=ngx_http_lua_socket_tcp_receive, "receiveuntil"=ngx_http_lua_socket_tcp_receiveuntil, "settimeout"=ngx_http_lua_socket_tcp_settimeout}
// 2 -2 ngx_http_lua_req_socket_metatable_key
// 1 -3 {"socket"={"tcp"=ngx_http_lua_socket_tcp, "stream" = ngx_http_lua_socket_tcp, "connect"="local sock ...."}}
//////////////////////////////////////
lua_pushcfunction(L, ngx_http_lua_socket_tcp_settimeouts);
lua_setfield(L, -2, "settimeouts"); /* ngx socket mt */
////////////////////////////////
// 3 -1 {"receive"=ngx_http_lua_socket_tcp_receive, "receiveuntil"=ngx_http_lua_socket_tcp_receiveuntil, "settimeout"=ngx_http_lua_socket_tcp_settimeout, "settimeouts"=ngx_http_lua_socket_tcp_settimeouts}
// 2 -2 ngx_http_lua_req_socket_metatable_key
// 1 -3 {"socket"={"tcp"=ngx_http_lua_socket_tcp, "stream" = ngx_http_lua_socket_tcp, "connect"="local sock ...."}}
//////////////////////////////////////
lua_pushvalue(L, -1);
////////////////////////////////
// 4 -1 {"receive"=ngx_http_lua_socket_tcp_receive, "receiveuntil"=ngx_http_lua_socket_tcp_receiveuntil, "settimeout"=ngx_http_lua_socket_tcp_settimeout, "settimeouts"=ngx_http_lua_socket_tcp_settimeouts}
// 3 -2 {"receive"=ngx_http_lua_socket_tcp_receive, "receiveuntil"=ngx_http_lua_socket_tcp_receiveuntil, "settimeout"=ngx_http_lua_socket_tcp_settimeout, "settimeouts"=ngx_http_lua_socket_tcp_settimeouts}
// 2 -3 ngx_http_lua_req_socket_metatable_key
// 1 -4 {"socket"={"tcp"=ngx_http_lua_socket_tcp, "stream" = ngx_http_lua_socket_tcp, "connect"="local sock ...."}}
//////////////////////////////////////
lua_setfield(L, -2, "__index");
////////////////////////////////
// 3 -1 {"__index"=this, "receive"=ngx_http_lua_socket_tcp_receive, "receiveuntil"=ngx_http_lua_socket_tcp_receiveuntil, "settimeout"=ngx_http_lua_socket_tcp_settimeout, "settimeouts"=ngx_http_lua_socket_tcp_settimeouts}
// 2 -2 ngx_http_lua_req_socket_metatable_key
// 1 -3 {"socket"={"tcp"=ngx_http_lua_socket_tcp, "stream" = ngx_http_lua_socket_tcp, "connect"="local sock ...."}}
//////////////////////////////////////
//lua_rawset和lua_settable(lua_State* L, int index)类似，但是直接赋值
//lua_settable就是把表在lua堆栈中的值弹出来，index 是table 在堆栈中的位置，
//假如 table 在 -3, 则key 应该是 -2，value 是 -1
//相当于 table[key] = value.
//table[]
//////////////////////////////////////////////
//
//
//
// 1 -1 {"socket"={"tcp"=ngx_http_lua_socket_tcp, "stream" = ngx_http_lua_socket_tcp, "connect"="local sock ....", "ngx_http_lua_req_socket_metatable_key" = {"__index"=this, "receive"=ngx_http_lua_socket_tcp_receive, "receiveuntil"=ngx_http_lua_socket_tcp_receiveuntil, "settimeout"=ngx_http_lua_socket_tcp_settimeout, "settimeouts"=ngx_http_lua_socket_tcp_settimeouts}}}
//////////////////////////////////////////////
lua_rawset(L, LUA_REGISTRYINDEX);//直接赋值 LUA_REGISTRYINDEX是Lua注册表的伪索引
/* }}} */
/* {{{raw req socket object metatable */
lua_pushlightuserdata(L, &ngx_http_lua_raw_req_socket_metatable_key);
lua_createtable(L, 0 /* narr */, 6 /* nrec */);
//////////////////////////////////////////////////////////////////////
//
//
//
// {}
// ngx_http_lua_raw_req_socket_metatable_key
// 1 -1 {"socket"={"tcp"=ngx_http_lua_socket_tcp, "stream" = ngx_http_lua_socket_tcp, "connect"="local sock ....", "ngx_http_lua_req_socket_metatable_key" = {"__index"=this, "receive"=ngx_http_lua_socket_tcp_receive, "receiveuntil"=ngx_http_lua_socket_tcp_receiveuntil, "settimeout"=ngx_http_lua_socket_tcp_settimeout, "settimeouts"=ngx_http_lua_socket_tcp_settimeouts}}}
//////////////////////////////////////////////////////////////////
lua_pushcfunction(L, ngx_http_lua_socket_tcp_receive);
lua_setfield(L, -2, "receive");
//////////////////////////////////////////////////////////////////////
//
//
//
// { "receive"=ngx_http_lua_socket_tcp_receive}
// ngx_http_lua_raw_req_socket_metatable_key
// 1 -1 {"socket"={"tcp"=ngx_http_lua_socket_tcp, "stream" = ngx_http_lua_socket_tcp, "connect"="local sock ....", "ngx_http_lua_req_socket_metatable_key" = {"__index"=this, "receive"=ngx_http_lua_socket_tcp_receive, "receiveuntil"=ngx_http_lua_socket_tcp_receiveuntil, "settimeout"=ngx_http_lua_socket_tcp_settimeout, "settimeouts"=ngx_http_lua_socket_tcp_settimeouts}}}
//////////////////////////////////////////////////////////////////
lua_pushcfunction(L, ngx_http_lua_socket_tcp_receiveuntil);
lua_setfield(L, -2, "receiveuntil");
//////////////////////////////////////////////////////////////////////
//
//
//
// { "receive"=ngx_http_lua_socket_tcp_receive, "receiveuntil"=ngx_http_lua_socket_tcp_receiveuntil}
// ngx_http_lua_raw_req_socket_metatable_key
// 1 -1 {"socket"={"tcp"=ngx_http_lua_socket_tcp, "stream" = ngx_http_lua_socket_tcp, "connect"="local sock ....", "ngx_http_lua_req_socket_metatable_key" = {"__index"=this, "receive"=ngx_http_lua_socket_tcp_receive, "receiveuntil"=ngx_http_lua_socket_tcp_receiveuntil, "settimeout"=ngx_http_lua_socket_tcp_settimeout, "settimeouts"=ngx_http_lua_socket_tcp_settimeouts}}}
//////////////////////////////////////////////////////////////////
lua_pushcfunction(L, ngx_http_lua_socket_tcp_send);
lua_setfield(L, -2, "send");
//////////////////////////////////////////////////////////////////////
//
//
//
// { "receive"=ngx_http_lua_socket_tcp_receive, "receiveuntil"=ngx_http_lua_socket_tcp_receiveuntil, "settimeout"=ngx_http_lua_socket_tcp_send}
// ngx_http_lua_raw_req_socket_metatable_key
// 1 -1 {"socket"={"tcp"=ngx_http_lua_socket_tcp, "stream" = ngx_http_lua_socket_tcp, "connect"="local sock ....", "ngx_http_lua_req_socket_metatable_key" = {"__index"=this, "receive"=ngx_http_lua_socket_tcp_receive, "receiveuntil"=ngx_http_lua_socket_tcp_receiveuntil, "settimeout"=ngx_http_lua_socket_tcp_settimeout, "settimeouts"=ngx_http_lua_socket_tcp_settimeouts}}}
//////////////////////////////////////////////////////////////////
lua_pushcfunction(L, ngx_http_lua_socket_tcp_settimeout);
lua_setfield(L, -2, "settimeout"); /* ngx socket mt */
//////////////////////////////////////////////////////////////////////
//
//
//
// { "receive"=ngx_http_lua_socket_tcp_receive, "receiveuntil"=ngx_http_lua_socket_tcp_receiveuntil, "settimeout"=ngx_http_lua_socket_tcp_send}
// ngx_http_lua_raw_req_socket_metatable_key
// 1 -1 {"socket"={"tcp"=ngx_http_lua_socket_tcp, "stream" = ngx_http_lua_socket_tcp, "connect"="local sock ....", "ngx_http_lua_req_socket_metatable_key" = {"__index"=this, "receive"=ngx_http_lua_socket_tcp_receive, "receiveuntil"=ngx_http_lua_socket_tcp_receiveuntil, "settimeout"=ngx_http_lua_socket_tcp_settimeout, "settimeouts"=ngx_http_lua_socket_tcp_settimeouts}}}
//////////////////////////////////////////////////////////////////
lua_pushcfunction(L, ngx_http_lua_socket_tcp_settimeouts);
lua_setfield(L, -2, "settimeouts"); /* ngx socket mt */
//////////////////////////////////////////////////////////////////////
//
// { "receive"=ngx_http_lua_socket_tcp_receive, "receiveuntil"=ngx_http_lua_socket_tcp_receiveuntil, "settimeout"=ngx_http_lua_socket_tcp_send, "settimeouts"=ngx_http_lua_socket_tcp_settimeouts}
// { "receive"=ngx_http_lua_socket_tcp_receive, "receiveuntil"=ngx_http_lua_socket_tcp_receiveuntil, "settimeout"=ngx_http_lua_socket_tcp_send, ""}
// ngx_http_lua_raw_req_socket_metatable_key
// 1 -1 {"socket"={"tcp"=ngx_http_lua_socket_tcp, "stream" = ngx_http_lua_socket_tcp, "connect"="local sock ....", "ngx_http_lua_req_socket_metatable_key" = {"__index"=this, "receive"=ngx_http_lua_socket_tcp_receive, "receiveuntil"=ngx_http_lua_socket_tcp_receiveuntil, "settimeout"=ngx_http_lua_socket_tcp_settimeout, "settimeouts"=ngx_http_lua_socket_tcp_settimeouts}}}
//////////////////////////////////////////////////////////////////
lua_pushvalue(L, -1);
lua_setfield(L, -2, "__index");
//////////////////////////////////////////////////////////////////////
//
//
//
// { "__index" = this, "receive"=ngx_http_lua_socket_tcp_receive, "receiveuntil"=ngx_http_lua_socket_tcp_receiveuntil, "settimeout"=ngx_http_lua_socket_tcp_send, "settimeouts"=ngx_http_lua_socket_tcp_settimeouts}
// ngx_http_lua_raw_req_socket_metatable_key
// 1 -1 {"socket"={"tcp"=ngx_http_lua_socket_tcp, "stream" = ngx_http_lua_socket_tcp, "connect"="local sock ....", "ngx_http_lua_req_socket_metatable_key" = {"__index"=this, "receive"=ngx_http_lua_socket_tcp_receive, "receiveuntil"=ngx_http_lua_socket_tcp_receiveuntil, "settimeout"=ngx_http_lua_socket_tcp_settimeout, "settimeouts"=ngx_http_lua_socket_tcp_settimeouts}}}
//////////////////////////////////////////////////////////////////
lua_rawset(L, LUA_REGISTRYINDEX);
/* }}} */
//////////////////////////////////////////////////////////////////////
//
//
//
// { "socket"={ "tcp"=ngx_http_lua_socket_tcp,"stream" = ngx_http_lua_socket_tcp,"connect"="local sock ...."},
// "ngx_http_lua_req_socket_metatable_key" = {"__index"=this, "receive"=ngx_http_lua_socket_tcp_receive, "receiveuntil"=ngx_http_lua_socket_tcp_receiveuntil, "settimeout"=ngx_http_lua_socket_tcp_settimeout, "settimeouts"=ngx_http_lua_socket_tcp_settimeouts}
// "ngx_http_lua_raw_req_socket_metatable_key"={ "__index" = this, "receive"=ngx_http_lua_socket_tcp_receive, "receiveuntil"=ngx_http_lua_socket_tcp_receiveuntil, "settimeout"=ngx_http_lua_socket_tcp_send, "settimeouts"=ngx_http_lua_socket_tcp_settimeouts}
//
// }
//////////////////////////////////////////////////////////////////
/* {{{tcp object metatable */
lua_pushlightuserdata(L, &ngx_http_lua_tcp_socket_metatable_key);
lua_createtable(L, 0 /* narr */, 12 /* nrec */);
lua_pushcfunction(L, ngx_http_lua_socket_tcp_connect);
lua_setfield(L, -2, "connect");
///////////////////////////////////////////////////////////////
//
// {"connect"=ngx_http_lua_socket_tcp_connect}
// ngx_http_lua_tcp_socket_metatable_key
////////////////////////////////////////////////////////////////
#if (NGX_HTTP_SSL)
lua_pushcfunction(L, ngx_http_lua_socket_tcp_sslhandshake);
lua_setfield(L, -2, "sslhandshake");
///////////////////////////////////////////////////////////////
//
// {"connect"=ngx_http_lua_socket_tcp_connect, "sslhandshake"=ngx_http_lua_socket_tcp_sslhandshake}
// ngx_http_lua_tcp_socket_metatable_key
////////////////////////////////////////////////////////////////
#endif
lua_pushcfunction(L, ngx_http_lua_socket_tcp_receive);
lua_setfield(L, -2, "receive");
///////////////////////////////////////////////////////////////
//
// { "connect"=ngx_http_lua_socket_tcp_connect,
// "sslhandshake"=ngx_http_lua_socket_tcp_sslhandshake,
// "receive"=ngx_http_lua_socket_tcp_receive
// }
// ngx_http_lua_tcp_socket_metatable_key
////////////////////////////////////////////////////////////////
lua_pushcfunction(L, ngx_http_lua_socket_tcp_receiveuntil);
lua_setfield(L, -2, "receiveuntil");
///////////////////////////////////////////////////////////////
//
// { "connect"=ngx_http_lua_socket_tcp_connect,
// "sslhandshake"=ngx_http_lua_socket_tcp_sslhandshake,
// "receive"=ngx_http_lua_socket_tcp_receive,
// "receiveuntil"=ngx_http_lua_socket_tcp_receiveuntil
// }
// ngx_http_lua_tcp_socket_metatable_key
////////////////////////////////////////////////////////////////
lua_pushcfunction(L, ngx_http_lua_socket_tcp_send);
lua_setfield(L, -2, "send");
///////////////////////////////////////////////////////////////
//
// { "connect"=ngx_http_lua_socket_tcp_connect,
// "sslhandshake"=ngx_http_lua_socket_tcp_sslhandshake,
// "receive"=ngx_http_lua_socket_tcp_receive,
// "receiveuntil"=ngx_http_lua_socket_tcp_receiveuntil,
// "send"=ngx_http_lua_socket_tcp_send
// }
// ngx_http_lua_tcp_socket_metatable_key
////////////////////////////////////////////////////////////////
lua_pushcfunction(L, ngx_http_lua_socket_tcp_close);
lua_setfield(L, -2, "close");
///////////////////////////////////////////////////////////////
//
// { "connect"=ngx_http_lua_socket_tcp_connect,
// "sslhandshake"=ngx_http_lua_socket_tcp_sslhandshake,
// "receive"=ngx_http_lua_socket_tcp_receive,
// "receiveuntil"=ngx_http_lua_socket_tcp_receiveuntil,
// "send"=ngx_http_lua_socket_tcp_send,
// "close"=ngx_http_lua_socket_tcp_close
// }
// ngx_http_lua_tcp_socket_metatable_key
////////////////////////////////////////////////////////////////
lua_pushcfunction(L, ngx_http_lua_socket_tcp_setoption);
lua_setfield(L, -2, "setoption");
///////////////////////////////////////////////////////////////
//
// { "connect"=ngx_http_lua_socket_tcp_connect,
// "sslhandshake"=ngx_http_lua_socket_tcp_sslhandshake,
// "receive"=ngx_http_lua_socket_tcp_receive,
// "receiveuntil"=ngx_http_lua_socket_tcp_receiveuntil,
// "send"=ngx_http_lua_socket_tcp_send,
// "close"=ngx_http_lua_socket_tcp_close,
// "setoption"=ngx_http_lua_socket_tcp_setoption
// }
// ngx_http_lua_tcp_socket_metatable_key
////////////////////////////////////////////////////////////////
lua_pushcfunction(L, ngx_http_lua_socket_tcp_settimeout);
lua_setfield(L, -2, "settimeout"); /* ngx socket mt */
///////////////////////////////////////////////////////////////
//
// { "connect"=ngx_http_lua_socket_tcp_connect,
// "sslhandshake"=ngx_http_lua_socket_tcp_sslhandshake,
// "receive"=ngx_http_lua_socket_tcp_receive,
// "receiveuntil"=ngx_http_lua_socket_tcp_receiveuntil,
// "send"=ngx_http_lua_socket_tcp_send,
// "close"=ngx_http_lua_socket_tcp_close,
// "setoption"=ngx_http_lua_socket_tcp_setoption,
// "settimeout"=ngx_http_lua_socket_tcp_settimeout
// }
// ngx_http_lua_tcp_socket_metatable_key
////////////////////////////////////////////////////////////////
lua_pushcfunction(L, ngx_http_lua_socket_tcp_settimeouts);
lua_setfield(L, -2, "settimeouts"); /* ngx socket mt */
///////////////////////////////////////////////////////////////
//
// { "connect"=ngx_http_lua_socket_tcp_connect,
// "sslhandshake"=ngx_http_lua_socket_tcp_sslhandshake,
// "receive"=ngx_http_lua_socket_tcp_receive,
// "receiveuntil"=ngx_http_lua_socket_tcp_receiveuntil,
// "send"=ngx_http_lua_socket_tcp_send,
// "close"=ngx_http_lua_socket_tcp_close,
// "setoption"=ngx_http_lua_socket_tcp_setoption,
// "settimeout"=ngx_http_lua_socket_tcp_settimeout,
// "settimeouts"=ngx_http_lua_socket_tcp_settimeouts
// }
// ngx_http_lua_tcp_socket_metatable_key
////////////////////////////////////////////////////////////////
lua_pushcfunction(L, ngx_http_lua_socket_tcp_getreusedtimes);
lua_setfield(L, -2, "getreusedtimes");
///////////////////////////////////////////////////////////////
//
// { "connect"=ngx_http_lua_socket_tcp_connect,
// "sslhandshake"=ngx_http_lua_socket_tcp_sslhandshake,
// "receive"=ngx_http_lua_socket_tcp_receive,
// "receiveuntil"=ngx_http_lua_socket_tcp_receiveuntil,
// "send"=ngx_http_lua_socket_tcp_send,
// "close"=ngx_http_lua_socket_tcp_close,
// "setoption"=ngx_http_lua_socket_tcp_setoption,
// "settimeout"=ngx_http_lua_socket_tcp_settimeout,
// "settimeouts"=ngx_http_lua_socket_tcp_settimeouts,
// "getreusedtimes"=ngx_http_lua_socket_tcp_getreusedtimes
// }
// ngx_http_lua_tcp_socket_metatable_key
////////////////////////////////////////////////////////////////
lua_pushcfunction(L, ngx_http_lua_socket_tcp_setkeepalive);
lua_setfield(L, -2, "setkeepalive");
///////////////////////////////////////////////////////////////
//
// { "connect"=ngx_http_lua_socket_tcp_connect,
// "sslhandshake"=ngx_http_lua_socket_tcp_sslhandshake,
// "receive"=ngx_http_lua_socket_tcp_receive,
// "receiveuntil"=ngx_http_lua_socket_tcp_receiveuntil,
// "send"=ngx_http_lua_socket_tcp_send,
// "close"=ngx_http_lua_socket_tcp_close,
// "setoption"=ngx_http_lua_socket_tcp_setoption,
// "settimeout"=ngx_http_lua_socket_tcp_settimeout,
// "settimeouts"=ngx_http_lua_socket_tcp_settimeouts,
// "getreusedtimes"=ngx_http_lua_socket_tcp_getreusedtimes,
// "setkeepalive"=ngx_http_lua_socket_tcp_setkeepalive
// }
// ngx_http_lua_tcp_socket_metatable_key
////////////////////////////////////////////////////////////////
lua_pushvalue(L, -1);
lua_setfield(L, -2, "__index");
lua_rawset(L, LUA_REGISTRYINDEX);
/* }}} */
//////////////////////////////////////////////////////////////////////
//
// { "socket"={ "tcp"=ngx_http_lua_socket_tcp, "stream" = ngx_http_lua_socket_tcp,"connect"="local sock ...."},
// "ngx_http_lua_req_socket_metatable_key" = {"__index"=this, "receive"=ngx_http_lua_socket_tcp_receive, "receiveuntil"=ngx_http_lua_socket_tcp_receiveuntil, "settimeout"=ngx_http_lua_socket_tcp_settimeout, "settimeouts"=ngx_http_lua_socket_tcp_settimeouts}
// "ngx_http_lua_raw_req_socket_metatable_key"={ "__index" = this, "receive"=ngx_http_lua_socket_tcp_receive, "receiveuntil"=ngx_http_lua_socket_tcp_receiveuntil, "settimeout"=ngx_http_lua_socket_tcp_send, "settimeouts"=ngx_http_lua_socket_tcp_settimeouts}
// "ngx_http_lua_tcp_socket_metatable_key"=
// {
// "__index"=this,
// "connect"=ngx_http_lua_socket_tcp_connect,
// "sslhandshake"=ngx_http_lua_socket_tcp_sslhandshake,
// "receive"=ngx_http_lua_socket_tcp_receive,
// "receiveuntil"=ngx_http_lua_socket_tcp_receiveuntil,
// "send"=ngx_http_lua_socket_tcp_send,
// "close"=ngx_http_lua_socket_tcp_close,
// "setoption"=ngx_http_lua_socket_tcp_setoption,
// "settimeout"=ngx_http_lua_socket_tcp_settimeout,
// "settimeouts"=ngx_http_lua_socket_tcp_settimeouts,
// "getreusedtimes"=ngx_http_lua_socket_tcp_getreusedtimes,
// "setkeepalive"=ngx_http_lua_socket_tcp_setkeepalive
// }
// }
////////////////////////////////////////////////////////////////
/* {{{upstream userdata metatable */
lua_pushlightuserdata(L, &ngx_http_lua_upstream_udata_metatable_key);
lua_createtable(L, 0 /* narr */, 1 /* nrec */); /* metatable */
lua_pushcfunction(L, ngx_http_lua_socket_tcp_upstream_destroy);
lua_setfield(L, -2, "__gc");
lua_rawset(L, LUA_REGISTRYINDEX);
//////////////////////////////////////////////////////////////////////
//
// { "socket"={ "tcp"=ngx_http_lua_socket_tcp, "stream" = ngx_http_lua_socket_tcp,"connect"="local sock ...."},
// "ngx_http_lua_req_socket_metatable_key" = {"__index"=this, "receive"=ngx_http_lua_socket_tcp_receive, "receiveuntil"=ngx_http_lua_socket_tcp_receiveuntil, "settimeout"=ngx_http_lua_socket_tcp_settimeout, "settimeouts"=ngx_http_lua_socket_tcp_settimeouts}
// "ngx_http_lua_raw_req_socket_metatable_key"={ "__index" = this, "receive"=ngx_http_lua_socket_tcp_receive, "receiveuntil"=ngx_http_lua_socket_tcp_receiveuntil, "settimeout"=ngx_http_lua_socket_tcp_send, "settimeouts"=ngx_http_lua_socket_tcp_settimeouts}
// "ngx_http_lua_tcp_socket_metatable_key"=
// {
// "__index"=this,
// "connect"=ngx_http_lua_socket_tcp_connect,
// "sslhandshake"=ngx_http_lua_socket_tcp_sslhandshake,
// "receive"=ngx_http_lua_socket_tcp_receive,
// "receiveuntil"=ngx_http_lua_socket_tcp_receiveuntil,
// "send"=ngx_http_lua_socket_tcp_send,
// "close"=ngx_http_lua_socket_tcp_close,
// "setoption"=ngx_http_lua_socket_tcp_setoption,
// "settimeout"=ngx_http_lua_socket_tcp_settimeout,
// "settimeouts"=ngx_http_lua_socket_tcp_settimeouts,
// "getreusedtimes"=ngx_http_lua_socket_tcp_getreusedtimes,
// "setkeepalive"=ngx_http_lua_socket_tcp_setkeepalive
// },
// "ngx_http_lua_upstream_udata_metatable_key"={"__gc" = ngx_http_lua_socket_tcp_upstream_destroy}
// }
////////////////////////////////////////////////////////////////
/* }}} */
/* {{{downstream userdata metatable */
lua_pushlightuserdata(L, &ngx_http_lua_downstream_udata_metatable_key);
lua_createtable(L, 0 /* narr */, 1 /* nrec */); /* metatable */
lua_pushcfunction(L, ngx_http_lua_socket_downstream_destroy);
lua_setfield(L, -2, "__gc");
lua_rawset(L, LUA_REGISTRYINDEX);
//////////////////////////////////////////////////////////////////////
//
// { "socket"={ "tcp"=ngx_http_lua_socket_tcp, "stream" = ngx_http_lua_socket_tcp,"connect"="local sock ...."},
// "ngx_http_lua_req_socket_metatable_key" = {"__index"=this, "receive"=ngx_http_lua_socket_tcp_receive, "receiveuntil"=ngx_http_lua_socket_tcp_receiveuntil, "settimeout"=ngx_http_lua_socket_tcp_settimeout, "settimeouts"=ngx_http_lua_socket_tcp_settimeouts}
// "ngx_http_lua_raw_req_socket_metatable_key"={ "__index" = this, "receive"=ngx_http_lua_socket_tcp_receive, "receiveuntil"=ngx_http_lua_socket_tcp_receiveuntil, "settimeout"=ngx_http_lua_socket_tcp_send, "settimeouts"=ngx_http_lua_socket_tcp_settimeouts}
// "ngx_http_lua_tcp_socket_metatable_key"=
// {
// "__index"=this,
// "connect"=ngx_http_lua_socket_tcp_connect,
// "sslhandshake"=ngx_http_lua_socket_tcp_sslhandshake,
// "receive"=ngx_http_lua_socket_tcp_receive,
// "receiveuntil"=ngx_http_lua_socket_tcp_receiveuntil,
// "send"=ngx_http_lua_socket_tcp_send,
// "close"=ngx_http_lua_socket_tcp_close,
// "setoption"=ngx_http_lua_socket_tcp_setoption,
// "settimeout"=ngx_http_lua_socket_tcp_settimeout,
// "settimeouts"=ngx_http_lua_socket_tcp_settimeouts,
// "getreusedtimes"=ngx_http_lua_socket_tcp_getreusedtimes,
// "setkeepalive"=ngx_http_lua_socket_tcp_setkeepalive
// },
// "ngx_http_lua_upstream_udata_metatable_key"={"__gc" = ngx_http_lua_socket_tcp_upstream_destroy}
// "ngx_http_lua_downstream_udata_metatable_key"={"__gc" = ngx_http_lua_socket_downstream_destroy}
// }
////////////////////////////////////////////////////////////////
/* }}} */
/* {{{socket pool userdata metatable */
lua_pushlightuserdata(L, &ngx_http_lua_pool_udata_metatable_key);
lua_createtable(L, 0, 1); /* metatable */
lua_pushcfunction(L, ngx_http_lua_socket_shutdown_pool);
lua_setfield(L, -2, "__gc");
lua_rawset(L, LUA_REGISTRYINDEX);
//////////////////////////////////////////////////////////////////////
//
// { "socket"={ "tcp"=ngx_http_lua_socket_tcp, "stream" = ngx_http_lua_socket_tcp,"connect"="local sock ...."},
// "ngx_http_lua_req_socket_metatable_key" = {"__index"=this, "receive"=ngx_http_lua_socket_tcp_receive, "receiveuntil"=ngx_http_lua_socket_tcp_receiveuntil, "settimeout"=ngx_http_lua_socket_tcp_settimeout, "settimeouts"=ngx_http_lua_socket_tcp_settimeouts}
// "ngx_http_lua_raw_req_socket_metatable_key"={ "__index" = this, "receive"=ngx_http_lua_socket_tcp_receive, "receiveuntil"=ngx_http_lua_socket_tcp_receiveuntil, "settimeout"=ngx_http_lua_socket_tcp_send, "settimeouts"=ngx_http_lua_socket_tcp_settimeouts}
// "ngx_http_lua_tcp_socket_metatable_key"=
// {
// "__index"=this,
// "connect"=ngx_http_lua_socket_tcp_connect,
// "sslhandshake"=ngx_http_lua_socket_tcp_sslhandshake,
// "receive"=ngx_http_lua_socket_tcp_receive,
// "receiveuntil"=ngx_http_lua_socket_tcp_receiveuntil,
// "send"=ngx_http_lua_socket_tcp_send,
// "close"=ngx_http_lua_socket_tcp_close,
// "setoption"=ngx_http_lua_socket_tcp_setoption,
// "settimeout"=ngx_http_lua_socket_tcp_settimeout,
// "settimeouts"=ngx_http_lua_socket_tcp_settimeouts,
// "getreusedtimes"=ngx_http_lua_socket_tcp_getreusedtimes,
// "setkeepalive"=ngx_http_lua_socket_tcp_setkeepalive
// },
// "ngx_http_lua_upstream_udata_metatable_key"={"__gc" = ngx_http_lua_socket_tcp_upstream_destroy}
// "ngx_http_lua_downstream_udata_metatable_key"={"__gc" = ngx_http_lua_socket_downstream_destroy}
// "ngx_http_lua_pool_udata_metatable_key"={"__gc" = ngx_http_lua_socket_shutdown_pool}
// }
////////////////////////////////////////////////////////////////
/* }}} */
/* {{{socket compiled pattern userdata metatable */
lua_pushlightuserdata(L, &ngx_http_lua_pattern_udata_metatable_key);
lua_createtable(L, 0 /* narr */, 1 /* nrec */); /* metatable */
lua_pushcfunction(L, ngx_http_lua_socket_cleanup_compiled_pattern);
lua_setfield(L, -2, "__gc");
lua_rawset(L, LUA_REGISTRYINDEX);
//////////////////////////////////////////////////////////////////////
//
// { "socket"={ "tcp"=ngx_http_lua_socket_tcp, "stream" = ngx_http_lua_socket_tcp,"connect"="local sock ...."},
// "ngx_http_lua_req_socket_metatable_key" = {"__index"=this, "receive"=ngx_http_lua_socket_tcp_receive, "receiveuntil"=ngx_http_lua_socket_tcp_receiveuntil, "settimeout"=ngx_http_lua_socket_tcp_settimeout, "settimeouts"=ngx_http_lua_socket_tcp_settimeouts}
// "ngx_http_lua_raw_req_socket_metatable_key"={ "__index" = this, "receive"=ngx_http_lua_socket_tcp_receive, "receiveuntil"=ngx_http_lua_socket_tcp_receiveuntil, "settimeout"=ngx_http_lua_socket_tcp_send, "settimeouts"=ngx_http_lua_socket_tcp_settimeouts}
// "ngx_http_lua_tcp_socket_metatable_key"=
// {
// "__index"=this,
// "connect"=ngx_http_lua_socket_tcp_connect,
// "sslhandshake"=ngx_http_lua_socket_tcp_sslhandshake,
// "receive"=ngx_http_lua_socket_tcp_receive,
// "receiveuntil"=ngx_http_lua_socket_tcp_receiveuntil,
// "send"=ngx_http_lua_socket_tcp_send,
// "close"=ngx_http_lua_socket_tcp_close,
// "setoption"=ngx_http_lua_socket_tcp_setoption,
// "settimeout"=ngx_http_lua_socket_tcp_settimeout,
// "settimeouts"=ngx_http_lua_socket_tcp_settimeouts,
// "getreusedtimes"=ngx_http_lua_socket_tcp_getreusedtimes,
// "setkeepalive"=ngx_http_lua_socket_tcp_setkeepalive
// },
// "ngx_http_lua_upstream_udata_metatable_key"={"__gc" = ngx_http_lua_socket_tcp_upstream_destroy},
// "ngx_http_lua_downstream_udata_metatable_key"={"__gc" = ngx_http_lua_socket_downstream_destroy},
// "ngx_http_lua_pool_udata_metatable_key"={"__gc" = ngx_http_lua_socket_shutdown_pool},
// "ngx_http_lua_pattern_udata_metatable_key"={"__gc" = ngx_http_lua_socket_cleanup_compiled_pattern}
// }
////////////////////////////////////////////////////////////////
/* }}} */
#if (NGX_HTTP_SSL)
/* {{{ssl session userdata metatable */
lua_pushlightuserdata(L, &ngx_http_lua_ssl_session_metatable_key);
lua_createtable(L, 0 /* narr */, 1 /* nrec */); /* metatable */
lua_pushcfunction(L, ngx_http_lua_ssl_free_session);
lua_setfield(L, -2, "__gc");
lua_rawset(L, LUA_REGISTRYINDEX);
//////////////////////////////////////////////////////////////////////
//
// { "socket"={ "tcp"=ngx_http_lua_socket_tcp, "stream" = ngx_http_lua_socket_tcp,"connect"="local sock ...."},
// "ngx_http_lua_req_socket_metatable_key" = {"__index"=this, "receive"=ngx_http_lua_socket_tcp_receive, "receiveuntil"=ngx_http_lua_socket_tcp_receiveuntil, "settimeout"=ngx_http_lua_socket_tcp_settimeout, "settimeouts"=ngx_http_lua_socket_tcp_settimeouts}
// "ngx_http_lua_raw_req_socket_metatable_key"={ "__index" = this, "receive"=ngx_http_lua_socket_tcp_receive, "receiveuntil"=ngx_http_lua_socket_tcp_receiveuntil, "settimeout"=ngx_http_lua_socket_tcp_send, "settimeouts"=ngx_http_lua_socket_tcp_settimeouts}
// "ngx_http_lua_tcp_socket_metatable_key"=
// {
// "__index"=this,
// "connect"=ngx_http_lua_socket_tcp_connect,
// "sslhandshake"=ngx_http_lua_socket_tcp_sslhandshake,
// "receive"=ngx_http_lua_socket_tcp_receive,
// "receiveuntil"=ngx_http_lua_socket_tcp_receiveuntil,
// "send"=ngx_http_lua_socket_tcp_send,
// "close"=ngx_http_lua_socket_tcp_close,
// "setoption"=ngx_http_lua_socket_tcp_setoption,
// "settimeout"=ngx_http_lua_socket_tcp_settimeout,
// "settimeouts"=ngx_http_lua_socket_tcp_settimeouts,
// "getreusedtimes"=ngx_http_lua_socket_tcp_getreusedtimes,
// "setkeepalive"=ngx_http_lua_socket_tcp_setkeepalive
// },
// "ngx_http_lua_upstream_udata_metatable_key"={"__gc" = ngx_http_lua_socket_tcp_upstream_destroy},
// "ngx_http_lua_downstream_udata_metatable_key"={"__gc" = ngx_http_lua_socket_downstream_destroy},
// "ngx_http_lua_pool_udata_metatable_key"={"__gc" = ngx_http_lua_socket_shutdown_pool},
// "ngx_http_lua_pattern_udata_metatable_key"={"__gc" = ngx_http_lua_socket_cleanup_compiled_pattern},
// "ngx_http_lua_ssl_session_metatable_key"={"__gc" = ngx_http_lua_ssl_free_session}
// }
////////////////////////////////////////////////////////////////
/* }}} */
#endif
}ngx_http_lua_inject_socket_tcp_api函数代码注释
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转载自blog.csdn.net/liu0808/article/details/84061345
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