C++ (Cpp) vr_usocket_bind_usockets Examples

Example #1

File: vr_dpdk_netlink.c Project: Juniper/contrail-vrouter

/* Init NetLink and UVHost sockets */
int
vr_dpdk_netlink_init(void)
{
    void *event_sock = NULL;
    int ret;

    RTE_LOG(INFO, VROUTER, "Starting NetLink...\n");
    ret = vr_message_transport_register(&dpdk_nl_transport);
    if (ret)
        return ret;

#ifdef AGENT_VROUTER_TCP
    vr_dpdk.netlink_sock = vr_usocket(NETLINK, TCP);
#else
    vr_dpdk.netlink_sock = vr_usocket(NETLINK, UNIX);
#endif
    if (!vr_dpdk.netlink_sock) {
        RTE_LOG(ERR, VROUTER, "    error creating NetLink server socket:"
            " %s (%d)\n", rte_strerror(errno), errno);
        goto error;
    }
    RTE_LOG(INFO, VROUTER, "    NetLink TCP socket FD is %d\n",
            ((struct vr_usocket *)vr_dpdk.netlink_sock)->usock_fd);

    ret = vr_nl_uvhost_connect();
    if (ret != 0) {
        RTE_LOG(ERR, VROUTER, "    error creating uvhost connection\n");
        goto error;
    }

    /* create and bind event usock to wake up the NetLink lcore */
    event_sock = (void *)vr_usocket(EVENT, RAW);
    if (!event_sock) {
        RTE_LOG(ERR, VROUTER, "    error creating NetLink event\n");
        goto error;
    }

    if (vr_usocket_bind_usockets(vr_dpdk.netlink_sock,
                event_sock)) {
        RTE_LOG(ERR, VROUTER, "    error binding NetLink event\n");
        goto error;
    }
    vr_dpdk.netlink_event_sock = event_sock;

    return 0;

error:
    vr_message_transport_unregister(&dpdk_nl_transport);
    vr_usocket_close(vr_dpdk.netlink_sock);

    return -1;
}

Example #2

File: vr_dpdk_packet.c Project: aawm/contrail-vrouter

int
dpdk_packet_socket_init(void)
{
    unsigned lcore_id;
    struct vr_dpdk_lcore *lcorep;
    void *event_sock = NULL;
    int err;

    vr_dpdk.packet_transport = (void *)vr_usocket(PACKET, RAW);
    if (!vr_dpdk.packet_transport)
        return -1;

    if (!vr_dpdk.packet_ring) {
        vr_dpdk.packet_ring = rte_ring_lookup("pkt0_tx");
        if (!vr_dpdk.packet_ring) {
            /* multi-producers single-consumer ring */
            vr_dpdk.packet_ring = rte_ring_create("pkt0_tx", VR_DPDK_TX_RING_SZ,
                    SOCKET_ID_ANY, RING_F_SC_DEQ);
            if (!vr_dpdk.packet_ring) {
                RTE_LOG(ERR, VROUTER, "    error creating pkt0 ring\n");
                goto error;
            }
        }
    }

    /* socket events to wake up the pkt0 lcore */
    RTE_LCORE_FOREACH(lcore_id) {
        lcorep = vr_dpdk.lcores[lcore_id];
        event_sock = (void *)vr_usocket(EVENT, RAW);
        if (!event_sock) {
            goto error;
        }

        if (vr_usocket_bind_usockets(vr_dpdk.packet_transport,
                    event_sock))
            goto error;
        lcorep->lcore_event_sock = event_sock;
    }

    return 0;

error:
    err = errno;
    if (event_sock)
        vr_usocket_close(event_sock);
    vr_usocket_close(vr_dpdk.packet_transport);
    vr_dpdk.packet_transport = NULL;
    errno = err;

    return -ENOMEM;
}

Example #3

File: vr_dpdk_packet.c Project: Francisco1000/contrail-vrouter

int
dpdk_packet_socket_init(void)
{
    void *event_sock = NULL;
    int err;

    vr_dpdk.packet_transport = (void *)vr_usocket(PACKET, RAW);
    if (!vr_dpdk.packet_transport)
        return -1;

    if (!vr_dpdk.packet_ring) {
        vr_dpdk.packet_ring = rte_ring_lookup("packet_tx");
        if (!vr_dpdk.packet_ring) {
            /* multi-producers single-consumer ring */
            vr_dpdk.packet_ring = rte_ring_create("packet_tx", VR_DPDK_TX_RING_SZ,
                    SOCKET_ID_ANY, RING_F_SC_DEQ);
            if (!vr_dpdk.packet_ring) {
                RTE_LOG(ERR, VROUTER, "    error creating packet ring\n");
                goto error;
            }
        }
    }

    /* create and bind event usock to wake up the packet lcore */
    event_sock = (void *)vr_usocket(EVENT, RAW);
    if (!event_sock) {
        RTE_LOG(ERR, VROUTER, "    error creating packet event\n");
        goto error;
    }

    if (vr_usocket_bind_usockets(vr_dpdk.packet_transport,
                event_sock)) {
        RTE_LOG(ERR, VROUTER, "    error binding packet event\n");
        goto error;
    }
    vr_dpdk.packet_event_sock = event_sock;

    return 0;

error:
    err = errno;
    if (event_sock)
        vr_usocket_close(event_sock);
    vr_usocket_close(vr_dpdk.packet_transport);
    vr_dpdk.packet_transport = NULL;
    errno = err;

    return -ENOMEM;
}