1 /* LuaEvent - Copyright (C) 2007 Thomas Harning <harningt@gmail.com>
2 * Licensed as LGPL - See doc/COPYING for details */
5 #include "event_callback.h"
6 #include "event_buffer.h"
7 #include "buffer_event.h"
13 #define EVENT_BASE_MT "EVENT_BASE_MT"
15 le_base
* event_base_get(lua_State
* L
, int idx
) {
16 return (le_base
*)luaL_checkudata(L
, idx
, EVENT_BASE_MT
);
19 int luaevent_newbase(lua_State
* L
) {
20 le_base
*base
= (le_base
*)lua_newuserdata(L
, sizeof(le_base
));
21 base
->loop_L
= NULL
; /* No running loop */
22 base
->base
= event_init();
23 luaL_getmetatable(L
, EVENT_BASE_MT
);
24 lua_setmetatable(L
, -2);
28 static int luaevent_base_gc(lua_State
* L
) {
29 le_base
*base
= event_base_get(L
, 1);
31 event_base_free(base
->base
);
37 int getSocketFd(lua_State
* L
, int idx
) {
39 luaL_checktype(L
, idx
, LUA_TUSERDATA
);
40 lua_getfield(L
, idx
, "getfd");
42 return luaL_error(L
, "Socket type missing 'getfd' method");
43 lua_pushvalue(L
, idx
);
45 fd
= lua_tointeger(L
, -1);
50 void load_timeval(double time
, struct timeval
*tv
) {
51 tv
->tv_sec
= (int)time
;
52 tv
->tv_usec
= (int)(time
* 1000000) % 1000000;
55 /* sock, event, callback, timeout */
56 static int luaevent_addevent(lua_State
* L
) {
58 le_callback
* arg
= event_callback_push(L
, 1, 4);
59 struct timeval
*tv
= &arg
->timeout
;
60 if(lua_isnil(L
, 2) && lua_isnumber(L
, 5)) {
61 fd
= -1; /* Per event_timer_set.... */
63 fd
= getSocketFd(L
, 2);
65 event
= luaL_checkinteger(L
, 3);
66 if(lua_isnumber(L
, 5)) {
67 double time
= lua_tonumber(L
, 5);
68 load_timeval(time
, tv
);
74 event_set(&arg
->ev
, fd
, event
| EV_PERSIST
, luaevent_callback
, arg
);
75 event_base_set(arg
->base
->base
, &arg
->ev
);
76 event_add(&arg
->ev
, tv
);
80 static int luaevent_loop(lua_State
* L
) {
81 le_base
*base
= event_base_get(L
, 1);
83 int ret
= event_base_loop(base
->base
, 0);
84 lua_pushinteger(L
, ret
);
88 static luaL_Reg base_funcs
[] = {
89 { "addevent", luaevent_addevent
},
90 { "loop", luaevent_loop
},
94 static luaL_Reg funcs
[] = {
95 { "new", luaevent_newbase
},
104 static namedInteger consts
[] = {
106 {"EV_READ", EV_READ
},
107 {"EV_WRITE", EV_WRITE
},
108 {"EV_TIMEOUT", EV_TIMEOUT
},
110 {"EVBUFFER_READ", EVBUFFER_READ
},
111 {"EVBUFFER_WRITE", EVBUFFER_WRITE
},
112 {"EVBUFFER_EOF", EVBUFFER_EOF
},
113 {"EVBUFFER_ERROR", EVBUFFER_ERROR
},
114 {"EVBUFFER_TIMEOUT", EVBUFFER_TIMEOUT
},
118 void setNamedIntegers(lua_State
* L
, namedInteger
* p
) {
120 lua_pushinteger(L
, p
->value
);
121 lua_setfield(L
, -2, p
->name
);
127 int luaopen_luaevent_core(lua_State
* L
) {
128 /* Register external items */
129 event_callback_register(L
);
130 event_buffer_register(L
);
131 buffer_event_register(L
);
133 /* Setup metatable */
134 luaL_newmetatable(L
, EVENT_BASE_MT
);
136 luaL_register(L
, NULL
, base_funcs
);
137 lua_setfield(L
, -2, "__index");
138 lua_pushcfunction(L
, luaevent_base_gc
);
139 lua_setfield(L
, -2, "__gc");
142 luaL_register(L
, "luaevent.core", funcs
);
143 setNamedIntegers(L
, consts
);