From 3235cbde1936856791e1f79ea5cc2853be025a61 Mon Sep 17 00:00:00 2001
From: Christian Pointner <equinox@spreadspace.org>
Date: Sun, 19 Dec 2010 17:37:17 +0000
Subject: updated TODO timer values allow + and - now

git-svn-id: https://svn.spreadspace.org/gcsd/trunk@71 ac14a137-c7f1-4531-abe0-07747231d213
---
 TODO                  | 15 ++++++++++-----
 src/command_queue.lua |  2 +-
 src/l_timer.c         | 50 ++++++++++++++++++++++++++++++--------------------
 3 files changed, 41 insertions(+), 26 deletions(-)

diff --git a/TODO b/TODO
index 691ad33..04ef741 100644
--- a/TODO
+++ b/TODO
@@ -1,8 +1,13 @@
- * input modules
-   - stdio
-   - tcp
- * out-of-order response
- * command & response dispatch table
+ * send response to requestor
+ * out-of-order responses
+ * finish API for command & response dispatch tables
+ * add listener tables (for requests, responses and other messages)
  * module loader cleanup (no require)
  * module API etc. clean-up, finalize, freeze
  * config-parser
+ * check max instances at modules (instance counter)
+ * add modules
+   - tcp
+   - udp
+   - unix
+   - inotify
diff --git a/src/command_queue.lua b/src/command_queue.lua
index 6bfd3d6..c91f9a7 100644
--- a/src/command_queue.lua
+++ b/src/command_queue.lua
@@ -77,7 +77,7 @@ function command_queue:command_sent()
    
    self.current.sent = true
    if(self.current.timeout) then
-      self.current.expiration_time = timer.add(timer.now(), self.current.timeout)
+      self.current.expiration_time = timer.now() + self.current.timeout
    end
    if(self.current.expected_response) then
       return self.current.expected_response
diff --git a/src/l_timer.c b/src/l_timer.c
index 129fd13..f510e22 100644
--- a/src/l_timer.c
+++ b/src/l_timer.c
@@ -35,19 +35,35 @@
 
 #include <sys/time.h>
 #include <string.h>
-#include <stdio.h>
 #include <errno.h>
 
 #include "l_timer.h"
 
-#define LUA_TIMER_UDATA_NAME "struct timeval"
+typedef struct timeval timer_t;
+#define LUA_TIMER_UDATA_NAME "timer_t"
+
+static int l_timer_add(lua_State *L);
+static int l_timer_sub(lua_State *L);
+
+static timer_t* newtimerudata(lua_State *L)
+{
+  timer_t* tv = (timer_t*)lua_newuserdata(L, sizeof(timer_t));
+  if(luaL_newmetatable(L, LUA_TIMER_UDATA_NAME)) {
+    lua_pushliteral(L, "__add");
+    lua_pushcfunction(L, l_timer_add);
+    lua_settable(L, -3);
+    lua_pushliteral(L, "__sub");
+    lua_pushcfunction(L, l_timer_sub);
+    lua_settable(L, -3);
+  }
+  lua_setmetatable(L, -2);
+  return tv;
+}
 
 static int l_timer_new(lua_State *L)
 {
   int ms = luaL_optint(L, 1, 0);
-  struct timeval* tv = (struct timeval*)lua_newuserdata(L, sizeof(struct timeval));
-  luaL_newmetatable(L, LUA_TIMER_UDATA_NAME);
-  lua_setmetatable(L, -2);
+  timer_t* tv = newtimerudata(L);
   tv->tv_sec = ms/1000;
   tv->tv_usec = (ms%1000)*1000;
   return 1;
@@ -55,44 +71,38 @@ static int l_timer_new(lua_State *L)
 
 static int l_timer_now(lua_State *L)
 {
-  struct timeval* now = (struct timeval*)lua_newuserdata(L, sizeof(struct timeval));
+  timer_t* now = newtimerudata(L);
   int ret = gettimeofday(now, NULL);
   if(ret) {
     lua_pushnil(L);
     lua_pushstring(L, strerror(errno)); // FIXXXXXME: strerror is not threadsafe!!!
     return 2;
   }
-  luaL_newmetatable(L, LUA_TIMER_UDATA_NAME);
-  lua_setmetatable(L, -2);
   return 1;
 }
 
 static int l_timer_add(lua_State *L)
 {
-  struct timeval* a = (struct timeval*)luaL_checkudata(L, 1, LUA_TIMER_UDATA_NAME);
-  struct timeval* b = (struct timeval*)luaL_checkudata(L, 2, LUA_TIMER_UDATA_NAME);
-  struct timeval* res = (struct timeval*)lua_newuserdata(L, sizeof(struct timeval));
-  luaL_newmetatable(L, LUA_TIMER_UDATA_NAME);
-  lua_setmetatable(L, -2);
+  timer_t* a = (timer_t*)luaL_checkudata(L, 1, LUA_TIMER_UDATA_NAME);
+  timer_t* b = (timer_t*)luaL_checkudata(L, 2, LUA_TIMER_UDATA_NAME);
+  timer_t* res = newtimerudata(L);
   timeradd(a, b, res);
   return 1;
 }
 
 static int l_timer_sub(lua_State *L)
 {
-  struct timeval* a = (struct timeval*)luaL_checkudata(L, 1, LUA_TIMER_UDATA_NAME);
-  struct timeval* b = (struct timeval*)luaL_checkudata(L, 2, LUA_TIMER_UDATA_NAME);
-  struct timeval* res = (struct timeval*)lua_newuserdata(L, sizeof(struct timeval));
-  luaL_newmetatable(L, LUA_TIMER_UDATA_NAME);
-  lua_setmetatable(L, -2);
+  timer_t* a = (timer_t*)luaL_checkudata(L, 1, LUA_TIMER_UDATA_NAME);
+  timer_t* b = (timer_t*)luaL_checkudata(L, 2, LUA_TIMER_UDATA_NAME);
+  timer_t* res = newtimerudata(L);
   timersub(a, b, res);
   return 1;
 }
 
 static int l_timer_cmp(lua_State *L)
 {
-  struct timeval* a = (struct timeval*)luaL_checkudata(L, 1, LUA_TIMER_UDATA_NAME);
-  struct timeval* b = (struct timeval*)luaL_checkudata(L, 2, LUA_TIMER_UDATA_NAME);
+  timer_t* a = (timer_t*)luaL_checkudata(L, 1, LUA_TIMER_UDATA_NAME);
+  timer_t* b = (timer_t*)luaL_checkudata(L, 2, LUA_TIMER_UDATA_NAME);
   if(timercmp(a, b, <))
     lua_pushinteger(L, -1);
   else if(timercmp(a, b, >))
-- 
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