From 3ac2cb114a38ea683c1f0646ddba3ac49987b169 Mon Sep 17 00:00:00 2001
From: Aki <please@ignore.pl>
Date: Sun, 15 Aug 2021 16:15:04 +0200
Subject: Exported plop state to a structure

---
 Makefile |  2 +-
 main.c   | 22 ++++++++++------------
 plop.c   |  6 ++++++
 plop.h   |  9 +++++++++
 4 files changed, 26 insertions(+), 13 deletions(-)

diff --git a/Makefile b/Makefile
index d0bf8a2..7facfe1 100644
--- a/Makefile
+++ b/Makefile
@@ -11,7 +11,7 @@ all: plop
 
 plop: connection.o main.o plop.o stream.o
 
-main.o: CFLAGS+=-DPLOP_DEFAULT_HANDLER=\"$(PLOP_DEFAULT_HANDLER)\"
+main.o plop.o: CFLAGS+=-DPLOP_DEFAULT_HANDLER=\"$(PLOP_DEFAULT_HANDLER)\"
 main.o: plop.h
 plop.o: connection.h plop.h stream.h
 connection.o: connection.h
diff --git a/main.c b/main.c
index 950aa03..94b8bde 100644
--- a/main.c
+++ b/main.c
@@ -50,28 +50,26 @@ int main(int argc, char ** argv)
 		}
 	}
 
-	const char * handler_path = PLOP_DEFAULT_HANDLER;
-
 	if (optind < argc)
 	{
-		handler_path = argv[optind];
+		plop.handler = argv[optind];
 	}
 
-	lua_State * L = plop_initialize_lua();
+	plop.L = plop_initialize_lua();
 
-	if (NULL == L)
+	if (NULL == plop.L)
 	{
 		return 9;
 	}
 
-	if (LUA_OK != plop_load_handler(L, handler_path))
+	if (LUA_OK != plop_load_handler(plop.L, plop.handler))
 	{
 		return 2;
 	}
 
-	const int efd = epoll_create1(0);
+	plop.efd = epoll_create1(0);
 
-	if (-1 == efd)
+	if (-1 == plop.efd)
 	{
 		return 3;
 	}
@@ -81,7 +79,7 @@ int main(int argc, char ** argv)
 	e.data.ptr = NULL; // TODO: Consider putting server's Lua state in here?
 	const int server = open_server(NULL, service); // TODO: Check server's fd before ctl?
 
-	if (-1 == epoll_ctl(efd, EPOLL_CTL_ADD, server, &e))
+	if (-1 == epoll_ctl(plop.efd, EPOLL_CTL_ADD, server, &e))
 	{
 		return 4;
 	}
@@ -91,7 +89,7 @@ int main(int argc, char ** argv)
 
 	while (1)
 	{
-		int evc = epoll_wait(efd, events, MAX_EVENTS, -1);
+		int evc = epoll_wait(plop.efd, events, MAX_EVENTS, -1);
 
 		if (-1 == evc)
 		{
@@ -102,14 +100,14 @@ int main(int argc, char ** argv)
 		{
 			if (NULL == events[i].data.ptr)
 			{
-				if (-1 == plop_handle_server(L, efd, server))
+				if (-1 == plop_handle_server(plop.L, plop.efd, server))
 				{
 					return 6;
 				}
 			}
 			else
 			{
-				if (-1 == plop_handle_client(L, &events[i]))
+				if (-1 == plop_handle_client(plop.L, &events[i]))
 				{
 					return 7;
 				}
diff --git a/plop.c b/plop.c
index ee24634..8a21919 100644
--- a/plop.c
+++ b/plop.c
@@ -18,6 +18,12 @@
 #include "connection.h"
 #include "stream.h"
 
+struct plop plop = {
+	.handler = PLOP_DEFAULT_HANDLER,
+	.L = NULL,
+	.efd = -1,
+};
+
 /// Initializes new Lua state for the server.
 /// \return Lua state
 lua_State * plop_initialize_lua(void)
diff --git a/plop.h b/plop.h
index f3a1fe0..903fb1f 100644
--- a/plop.h
+++ b/plop.h
@@ -4,6 +4,15 @@
 
 #include <lua.h>
 
+struct plop
+{
+	const char * handler;
+	lua_State * L;
+	int efd;
+};
+
+extern struct plop plop;
+
 lua_State * plop_initialize_lua(void);
 int open_server(const char *, const char *);
 int plop_load_handler(lua_State *, const char *);
-- 
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