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#include "connection.h"
#include <stdlib.h>
#include <string.h>
#include <unistd.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);
}
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