Exemplo n.º 1
0
static inline int ight_socket_normalize_if_invalid_unix_(int filenum) {
    /*
     * This makes sense only in the Unix world in which all negative
     * integers different from -1 are non-canonical representations of
     * the invalid socket descriptor.
     */
    if (!ight_socket_valid(filenum))
        filenum = IGHT_SOCKET_INVALID;
    return (filenum);
}
Exemplo n.º 2
0
IghtConnectionState::IghtConnectionState(const char *family, const char *address,
    const char *port, long long filenum)
{
	auto evbase = ight_get_global_event_base();
	auto poller = ight_get_global_poller();

	if (!ight_socket_valid(filenum))
		filenum = IGHT_SOCKET_INVALID;		/* Normalize */

	/*
	 * TODO: switch to RAII.
	 */

	// filedesc: if valid, it is set on success only

	if ((this->bev = bufferevent_socket_new(evbase, (evutil_socket_t)
	    filenum, BEV_OPT_DEFER_CALLBACKS)) == NULL)
		throw std::bad_alloc();

	// closing: nothing to be done

	if (!ight_socket_valid(filenum))
		this->connecting = 1;

	// reading: nothing to be done

	if ((this->address = strdup(address)) == NULL) {
		bufferevent_free(this->bev);
		throw std::bad_alloc();
	}

	if ((this->port = strdup(port)) == NULL) {
		bufferevent_free(this->bev);
		free(this->address);
		throw std::bad_alloc();
	}

	if ((this->addrlist = new (std::nothrow) IghtStringVector(poller,
	    16)) == NULL) {
		bufferevent_free(this->bev);
		free(this->address);
		free(this->port);
		throw std::bad_alloc();
	}

	if ((this->family = strdup(family)) == NULL) {
		bufferevent_free(this->bev);
		free(this->address);
		free(this->port);
		delete (this->addrlist);
		throw std::bad_alloc();
	}

	if ((this->pflist = new (std::nothrow) IghtStringVector(poller,
	    16)) == NULL) {
		bufferevent_free(this->bev);
		free(this->address);
		free(this->port);
		delete (this->addrlist);
		free(this->family);
		throw std::bad_alloc();
	}

	// must_resolve_ipv4: if connecting, set later by this->resolve()
	// must_resolve_ipv6: if connecting, set later by this->resolve()

	/*
	 * The following makes this non copyable and non movable.
	 */
	bufferevent_setcb(this->bev, this->handle_read, this->handle_write,
	    this->handle_event, this);

	if (!ight_socket_valid(filenum))
		this->start_connect = IghtDelayedCall(0.0, std::bind(
		    this->resolve, this));
	else
		this->filedesc = filenum;	/* Own the socket on success */
}