Exemple #1
0
static void
sp_socksrv_notify(Spfd *spfd, void *aux)
{
    int csock;
    Spsrv *srv;
    Spconn *conn;
    Socksrv *ss;
    struct sockaddr_in caddr;
    socklen_t caddrlen;
    char buf[64];

    srv = aux;
    ss = srv->srvaux;

    if (!spfd_can_read(spfd))
        return;

    spfd_read(spfd, buf, 0);
    caddrlen = sizeof(caddr);
    csock = accept(ss->sock, (struct sockaddr *) &caddr, &caddrlen);
    if (csock<0) {
        if (!ss->shutdown)
            return;

        close(ss->sock);
        if (sp_socksrv_connect(ss) < 0)
            fprintf(stderr, "error while reconnecting: %d\n", errno);
        return;
    }

    fcntl(csock, F_SETFD, FD_CLOEXEC);
    snprintf(buf, sizeof(buf), "%s!%d", inet_ntoa(caddr.sin_addr), ntohs(caddr.sin_port));
    if (!(conn = sp_conn_create(srv, strdup(buf), csock, csock)))
        close(csock);
}
Exemple #2
0
int
spcfd_can_read(Spcfd *spcfd)
{
	if (spcfd->spfd)
		return spfd_can_read(spcfd->spfd);

	return spcfd->rpos>0 || spcfd->flags&Reof;
}
Exemple #3
0
static void
pip_notify(Spfd *spfd, void *aux)
{
	Xfilepipe *p;

	p = aux;
//	fprintf(stderr, "pip_notify %p %d %d %d\n", spfd, spfd_can_read(spfd), spfd_can_write(spfd), spfd_has_error(spfd));
	if (p->buflen>0 || (p->direction==Read && spfd_can_read(spfd)))
		pip_read(p);

	if (spfd_can_write(spfd))
		pip_write(p);

	if (spfd_has_error(spfd)) {
		pip_read_eof(p);
		pip_disconnect(p);
	}
}
Exemple #4
0
static void
sp_ethconn_write(Spconn *conn)
{
	int n;
	Spfcall *rc;
	Spreq *req;
	Spsrv *srv = conn->srv;
	Spethconn *ethconn = conn->caux;

	if (srv->debuglevel > 0)
		fprintf(stderr, "sp_ethconn_write: entered\n");

	if (!conn->oreqs)
		return;

	req = conn->oreqs;
	rc = req->rcall;
	if (conn->srv->debuglevel) {
		fprintf(stderr, ">>> (%p) ", conn);
		sp_printfcall(stderr, rc, conn->dotu);
		fprintf(stderr, "\n");
	}

	printf("sending...\n");

	n = sendto(ethconn->fd, rc->pkt, rc->size, 0,
			(struct sockaddr *)&ethconn->saddr, sizeof(ethconn->saddr));
	if (srv->debuglevel > 0)
		fprintf(stderr, "sp_ethconn_write: sendto returned %d\n", n);
	if (n <= 0)
		return;

	conn->oreqs = req->next;
	sp_conn_free_incall(conn, req->tcall);
	sp_req_free(req);
	if (rc==srv->rcenomem || rc==srv->rcenomemu) {
		/* unblock reading and read some messages if we can */
		srv->enomem = 0;
		if (spfd_can_read(ethconn->spfd))
			sp_ethconn_read(conn);
	} else
		free(rc);
}
Exemple #5
0
static void
spc_notify(Spfd *spfd, void *aux)
{
	int ecode;
	char *ename;
	Spcfsys *fs;

	fs = aux;
	fs->in_notify++;
	sp_rerror(&ename, &ecode);
	if (ename)
		ename = strdup(ename);

	sp_werror(NULL, 0);
	if (spfd_can_read(spfd))
		spc_fd_read(fs);

	if (fs->destroyed) {
		free(fs);
		return;
	}

	if (!fs->spfd)
		goto error;

	if (spfd_can_write(spfd))
		spc_fd_write(fs);

	if (spfd_has_error(spfd))
		spc_disconnect_fsys(fs);

error:
	sp_rerror(&ename, &ecode);
	if (ecode) {
		if (spc_chatty)
			fprintf(stderr, "Error: %s: %d\n", ename, ecode);
		sp_werror(NULL, 0);
	}
	fs->in_notify--;
}
Exemple #6
0
static void
sp_ethconn_notify(Spfd *spfd, void *aux)
{
	int n = 0;
	Spconn *conn = aux;

//	int cr = spfd_can_read(spfd);
//	int cw = spfd_can_write(spfd);
//	if (conn->srv->debuglevel > 0)
//		fprintf(stderr, "sp_ethconn_notify: fd readable %d writable %d\n", cr, cw);

//	if (spfd_can_write(spfd))
//		spfd_write(spfd, 0, 0);	// reset polling flags

	if (spfd_can_read(spfd))
		n = sp_ethconn_read(conn);

	if (n || spfd_has_error(spfd))
	{
		if (conn->srv->debuglevel > 0)
			fprintf(stderr, "sp_ethconn_notify: error, shutdown conn\n");
		sp_conn_shutdown(conn);
	}
}