예제 #1
0
int net_init_socket(const NetClientOptions *opts, const char *name,
                    NetClientState *peer)
{
    const NetdevSocketOptions *sock;

    assert(opts->kind == NET_CLIENT_OPTIONS_KIND_SOCKET);
    sock = opts->socket;

    if (sock->has_fd + sock->has_listen + sock->has_connect + sock->has_mcast +
        sock->has_udp != 1) {
        error_report("exactly one of fd=, listen=, connect=, mcast= or udp="
                     " is required");
        return -1;
    }

    if (sock->has_localaddr && !sock->has_mcast && !sock->has_udp) {
        error_report("localaddr= is only valid with mcast= or udp=");
        return -1;
    }

    if (sock->has_fd) {
        int fd;

        fd = net_handle_fd_param(cur_mon, sock->fd);
        if (fd == -1 || !net_socket_fd_init(peer, "socket", name, fd, 1)) {
            return -1;
        }
        return 0;
    }

    if (sock->has_listen) {
        if (net_socket_listen_init(peer, "socket", name, sock->listen) == -1) {
            return -1;
        }
        return 0;
    }

    if (sock->has_connect) {
        if (net_socket_connect_init(peer, "socket", name, sock->connect) ==
            -1) {
            return -1;
        }
        return 0;
    }

    if (sock->has_mcast) {
        /* if sock->localaddr is missing, it has been initialized to "all bits
         * zero" */
        if (net_socket_mcast_init(peer, "socket", name, sock->mcast,
            sock->localaddr) == -1) {
            return -1;
        }
        return 0;
    }

    assert(sock->has_udp);
    if (!sock->has_localaddr) {
        error_report("localaddr= is mandatory with udp=");
        return -1;
    }
    if (net_socket_udp_init(peer, "udp", name, sock->udp, sock->localaddr) ==
        -1) {
        return -1;
    }
    return 0;
}
예제 #2
0
파일: socket.c 프로젝트: MatzeB/qemu-fixes
int net_init_socket(QemuOpts *opts,
                    Monitor *mon,
                    const char *name,
                    VLANState *vlan)
{
    if (qemu_opt_get(opts, "fd")) {
        int fd;

        if (qemu_opt_get(opts, "listen") ||
            qemu_opt_get(opts, "connect") ||
            qemu_opt_get(opts, "mcast") ||
            qemu_opt_get(opts, "localaddr")) {
            error_report("listen=, connect=, mcast= and localaddr= is invalid with fd=");
            return -1;
        }

        fd = net_handle_fd_param(mon, qemu_opt_get(opts, "fd"));
        if (fd == -1) {
            return -1;
        }

        if (!net_socket_fd_init(vlan, "socket", name, fd, 1)) {
            return -1;
        }
    } else if (qemu_opt_get(opts, "listen")) {
        const char *listen;

        if (qemu_opt_get(opts, "fd") ||
            qemu_opt_get(opts, "connect") ||
            qemu_opt_get(opts, "mcast") ||
            qemu_opt_get(opts, "localaddr")) {
            error_report("fd=, connect=, mcast= and localaddr= is invalid with listen=");
            return -1;
        }

        listen = qemu_opt_get(opts, "listen");

        if (net_socket_listen_init(vlan, "socket", name, listen) == -1) {
            return -1;
        }
    } else if (qemu_opt_get(opts, "connect")) {
        const char *connect;

        if (qemu_opt_get(opts, "fd") ||
            qemu_opt_get(opts, "listen") ||
            qemu_opt_get(opts, "mcast") ||
            qemu_opt_get(opts, "localaddr")) {
            error_report("fd=, listen=, mcast= and localaddr= is invalid with connect=");
            return -1;
        }

        connect = qemu_opt_get(opts, "connect");

        if (net_socket_connect_init(vlan, "socket", name, connect) == -1) {
            return -1;
        }
    } else if (qemu_opt_get(opts, "mcast")) {
        const char *mcast, *localaddr;

        if (qemu_opt_get(opts, "fd") ||
            qemu_opt_get(opts, "connect") ||
            qemu_opt_get(opts, "listen")) {
            error_report("fd=, connect= and listen= is invalid with mcast=");
            return -1;
        }

        mcast = qemu_opt_get(opts, "mcast");
        localaddr = qemu_opt_get(opts, "localaddr");

        if (net_socket_mcast_init(vlan, "socket", name, mcast, localaddr) == -1) {
            return -1;
        }
    } else if (qemu_opt_get(opts, "udp")) {
        const char *udp, *localaddr;

        if (qemu_opt_get(opts, "fd") ||
            qemu_opt_get(opts, "connect") ||
            qemu_opt_get(opts, "listen") ||
            qemu_opt_get(opts, "mcast")) {
            error_report("fd=, connect=, listen=\
                         and mcast= is invalid with udp=");
            return -1;
        }

        udp = qemu_opt_get(opts, "udp");
        localaddr = qemu_opt_get(opts, "localaddr");
        if (localaddr == NULL) {
                error_report("localaddr= is mandatory with udp=");
                return -1;
        }

        if (net_socket_udp_init(vlan, "udp", name, udp, localaddr) == -1) {
            return -1;
        }
    } else {