Added connection stub

1 files changed, 52 insertions, 0 deletions

diff --git a/connection.c b/connection.c
new file mode 100644
index 0000000..c7dd151
--- /dev/null
+++ b/connection.c
@@ -0,0 +1,52 @@
+#include "connection.h"
+
+#include <stdlib.h>
+#include <string.h>
+
+#include <lauxlib.h>
+#include <lua.h>
+
+#include "request.h"
+
+/// Creates new connection.
+/// \param L Server's Lua state
+/// \param client File descriptor of client's socket
+/// \return Pointer to connection or NULL if an error occured
+struct connection * connection_new(lua_State * L, const int client)
+{
+	struct connection * c = malloc(sizeof(struct connection));
+
+	if (NULL == c)
+	{
+		return NULL;
+	}
+
+	memset(c, 0, sizeof(struct connection));
+
+	c->fd = client;
+	c->L = lua_newthread(L);
+	c->lua_ref = luaL_ref(L, LUA_REGISTRYINDEX);
+
+	return c;
+}
+
+/// Clears the state of connection readying it for new request.
+/// \param c Connection to clear
+void connection_clear(struct connection * c)
+{
+	if (NULL != c->request)
+	{
+		free_request(c->request);
+	}
+}
+
+/// Frees all resources associated with the connection.
+/// \param L Server's Lua state
+/// \param c Connection to free
+void connection_free(lua_State * L, struct connection * c)
+{
+	connection_clear(c);
+	luaL_unref(L, LUA_REGISTRYINDEX, c->lua_ref);
+	close(c->fd); // TODO: Check for errors in close()?
+	free(c);
+}