Esempio n. 1
0
static char *camqp_strerror (camqp_config_t *conf, /* {{{ */
        char *buffer, size_t buffer_size)
{
    amqp_rpc_reply_t r;

    r = amqp_get_rpc_reply (conf->connection);
    switch (r.reply_type)
    {
        case AMQP_RESPONSE_NORMAL:
            sstrncpy (buffer, "Success", sizeof (buffer));
            break;

        case AMQP_RESPONSE_NONE:
            sstrncpy (buffer, "Missing RPC reply type", sizeof (buffer));
            break;

        case AMQP_RESPONSE_LIBRARY_EXCEPTION:
#if HAVE_AMQP_RPC_REPLY_T_LIBRARY_ERRNO
            if (r.library_errno)
                return (sstrerror (r.library_errno, buffer, buffer_size));
#else
            if (r.library_error)
                return (sstrerror (r.library_error, buffer, buffer_size));
#endif
            else
                sstrncpy (buffer, "End of stream", sizeof (buffer));
            break;

        case AMQP_RESPONSE_SERVER_EXCEPTION:
            if (r.reply.id == AMQP_CONNECTION_CLOSE_METHOD)
            {
                amqp_connection_close_t *m = r.reply.decoded;
                char *tmp = camqp_bytes_cstring (&m->reply_text);
                ssnprintf (buffer, buffer_size, "Server connection error %d: %s",
                        m->reply_code, tmp);
                sfree (tmp);
            }
            else if (r.reply.id == AMQP_CHANNEL_CLOSE_METHOD)
            {
                amqp_channel_close_t *m = r.reply.decoded;
                char *tmp = camqp_bytes_cstring (&m->reply_text);
                ssnprintf (buffer, buffer_size, "Server channel error %d: %s",
                        m->reply_code, tmp);
                sfree (tmp);
            }
            else
            {
                ssnprintf (buffer, buffer_size, "Server error method %#"PRIx32,
                        r.reply.id);
            }
            break;

        default:
            ssnprintf (buffer, buffer_size, "Unknown reply type %i",
                    (int) r.reply_type);
    }

    return (buffer);
} /* }}} char *camqp_strerror */
Esempio n. 2
0
static int camqp_read_header(camqp_config_t *conf) /* {{{ */
{
  int status;
  amqp_frame_t frame;
  amqp_basic_properties_t *properties;
  char *content_type;

  status = amqp_simple_wait_frame(conf->connection, &frame);
  if (status < 0) {
    status = (-1) * status;
    ERROR("amqp plugin: amqp_simple_wait_frame failed: %s", STRERROR(status));
    camqp_close_connection(conf);
    return status;
  }

  if (frame.frame_type != AMQP_FRAME_HEADER) {
    NOTICE("amqp plugin: Unexpected frame type: %#" PRIx8, frame.frame_type);
    return -1;
  }

  properties = frame.payload.properties.decoded;
  content_type = camqp_bytes_cstring(&properties->content_type);
  if (content_type == NULL) {
    ERROR("amqp plugin: Unable to determine content type.");
    return -1;
  }

  status = camqp_read_body(conf, (size_t)frame.payload.properties.body_size,
                           content_type);

  sfree(content_type);
  return status;
} /* }}} int camqp_read_header */
Esempio n. 3
0
static int camqp_setup_queue (camqp_config_t *conf) /* {{{ */
{
    amqp_queue_declare_ok_t *qd_ret;
    amqp_basic_consume_ok_t *cm_ret;

    qd_ret = amqp_queue_declare (conf->connection,
            /* channel     = */ CAMQP_CHANNEL,
            /* queue       = */ (conf->queue != NULL)
            ? amqp_cstring_bytes (conf->queue)
            : AMQP_EMPTY_BYTES,
            /* passive     = */ 0,
            /* durable     = */ 0,
            /* exclusive   = */ 0,
            /* auto_delete = */ 1,
            /* arguments   = */ AMQP_EMPTY_TABLE);
    if (qd_ret == NULL)
    {
        ERROR ("amqp plugin: amqp_queue_declare failed.");
        camqp_close_connection (conf);
        return (-1);
    }

    if (conf->queue == NULL)
    {
        conf->queue = camqp_bytes_cstring (&qd_ret->queue);
        if (conf->queue == NULL)
        {
            ERROR ("amqp plugin: camqp_bytes_cstring failed.");
            camqp_close_connection (conf);
            return (-1);
        }

        INFO ("amqp plugin: Created queue \"%s\".", conf->queue);
    }
    DEBUG ("amqp plugin: Successfully created queue \"%s\".", conf->queue);

    /* bind to an exchange */
    if (conf->exchange != NULL)
    {
        amqp_queue_bind_ok_t *qb_ret;

        assert (conf->queue != NULL);
        qb_ret = amqp_queue_bind (conf->connection,
                /* channel     = */ CAMQP_CHANNEL,
                /* queue       = */ amqp_cstring_bytes (conf->queue),
                /* exchange    = */ amqp_cstring_bytes (conf->exchange),
                /* routing_key = */ (conf->routing_key != NULL)
                ? amqp_cstring_bytes (conf->routing_key)
                : AMQP_EMPTY_BYTES,
                /* arguments   = */ AMQP_EMPTY_TABLE);
        if ((qb_ret == NULL) && camqp_is_error (conf))
        {
            char errbuf[1024];
            ERROR ("amqp plugin: amqp_queue_bind failed: %s",
                    camqp_strerror (conf, errbuf, sizeof (errbuf)));
            camqp_close_connection (conf);
            return (-1);
        }

        DEBUG ("amqp plugin: Successfully bound queue \"%s\" to exchange \"%s\".",
                conf->queue, conf->exchange);
    } /* if (conf->exchange != NULL) */

    cm_ret = amqp_basic_consume (conf->connection,
            /* channel      = */ CAMQP_CHANNEL,
            /* queue        = */ amqp_cstring_bytes (conf->queue),
            /* consumer_tag = */ AMQP_EMPTY_BYTES,
            /* no_local     = */ 0,
            /* no_ack       = */ 1,
            /* exclusive    = */ 0,
            /* arguments    = */ AMQP_EMPTY_TABLE
        );
    if ((cm_ret == NULL) && camqp_is_error (conf))
    {
        char errbuf[1024];
        ERROR ("amqp plugin: amqp_basic_consume failed: %s",
                    camqp_strerror (conf, errbuf, sizeof (errbuf)));
        camqp_close_connection (conf);
        return (-1);
    }

    return (0);
} /* }}} int camqp_setup_queue */