Пример #1
0
void KineticController_HandleResult(bus_msg_result_t *res, void *udata)
{
    KineticOperation* op = udata;
    KINETIC_ASSERT(op);
    KINETIC_ASSERT(op->session);

    KineticStatus status = bus_to_kinetic_status(res->status);

    if (status == KINETIC_STATUS_SUCCESS) {
        KineticResponse * response = res->u.response.opaque_msg;

        status = KineticResponse_GetStatus(response);

        LOGF2("[PDU RX] pdu: %p, session: %p, bus: %p, "
              "fd: %6d, seq: %8lld, protoLen: %8u, valueLen: %8u, op: %p, status: %s",
              (void*)response,
              (void*)op->session, (void*)op->session->messageBus,
              op->session->socket, response->command->header->acksequence,
              KineticResponse_GetProtobufLength(response),
              KineticResponse_GetValueLength(response),
              (void*)op,
              Kinetic_GetStatusDescription(status));
        KineticLogger_LogHeader(3, &response->header);
        KineticLogger_LogProtobuf(3, response->proto);

        if (op->response == NULL) {
            op->response = response;
        }
    } else {
        LOGF0("Error receiving response, got message bus error: %s", bus_error_string(res->status));
        if (res->status == BUS_SEND_RX_TIMEOUT) {
            LOG0("RX_TIMEOUT");
        }
    }

    // Call operation-specific callback, if configured
    if (op->opCallback != NULL) {
        status = op->opCallback(op, status);
    }

    KineticOperation_Complete(op, status);
}
Пример #2
0
KineticStatus KineticPDU_ReceiveMain(KineticPDU* const response)
{
    assert(response != NULL);
    assert(response->connection != NULL);
    const int fd = response->connection->socket;
    assert(fd >= 0);
    LOGF1("\nReceiving PDU via fd=%d", fd);

    KineticStatus status;
    KineticMessage* msg = &response->protoData.message;

    // Receive the PDU header
    ByteBuffer rawHeader =
        ByteBuffer_Create(&response->headerNBO, sizeof(KineticPDUHeader), 0);
    status = KineticSocket_Read(fd, &rawHeader, rawHeader.array.len);
    if (status != KINETIC_STATUS_SUCCESS) {
        LOG0("Failed to receive PDU header!");
        return status;
    }
    else {
        LOG3("PDU header received successfully");
        KineticPDUHeader* headerNBO = &response->headerNBO;
        response->header = (KineticPDUHeader) {
            .versionPrefix = headerNBO->versionPrefix,
            .protobufLength = KineticNBO_ToHostU32(headerNBO->protobufLength),
            .valueLength = KineticNBO_ToHostU32(headerNBO->valueLength),
        };
        KineticLogger_LogHeader(1, &response->header);
    }

    // Receive the protobuf message
    status = KineticSocket_ReadProtobuf(fd, response);
    if (status != KINETIC_STATUS_SUCCESS) {
        LOG0("Failed to receive PDU protobuf message!");
        return status;
    }
    else {
        LOG3("Received PDU protobuf");
        KineticLogger_LogProtobuf(2, response->proto);
    }

    // Validate the HMAC for the recevied protobuf message
    if (response->proto->authType == KINETIC_PROTO_MESSAGE_AUTH_TYPE_HMACAUTH) {
        if(!KineticHMAC_Validate(
          response->proto, response->connection->session.hmacKey)) {
            LOG0("Received PDU protobuf message has invalid HMAC!");
            msg->has_command = true;
            msg->command.status = &msg->status;
            msg->status.code = KINETIC_PROTO_COMMAND_STATUS_STATUS_CODE_DATA_ERROR;
            return KINETIC_STATUS_DATA_ERROR;
        }
        else {
            LOG3("Received protobuf HMAC validation succeeded");
        }
    }
    else if (response->proto->authType == KINETIC_PROTO_MESSAGE_AUTH_TYPE_PINAUTH) {
        LOG0("PIN-based authentication not yet supported!");
        return KINETIC_STATUS_DATA_ERROR;
    }
    else if (response->proto->authType == KINETIC_PROTO_MESSAGE_AUTH_TYPE_UNSOLICITEDSTATUS) {
        LOG3("Unsolicited status message is not authenticated");
    }

    // Extract embedded command, if supplied
    KineticProto_Message* pMsg = response->proto;
    if (pMsg->has_commandBytes &&
      pMsg->commandBytes.data != NULL &&
      pMsg->commandBytes.len > 0) {
        response->command = KineticProto_command__unpack(
            NULL,
            pMsg->commandBytes.len,
            pMsg->commandBytes.data);
    }

    status = KineticPDU_GetStatus(response);
    if (status == KINETIC_STATUS_SUCCESS) {
        LOG2("PDU received successfully!");
    }
    return status;
}

KineticStatus KineticPDU_ReceiveValue(int socket_desc, ByteBuffer* value, size_t value_length)
{
    assert(socket_desc >= 0);
    assert(value != NULL);
    assert(value->array.data != NULL);

    // Receive value payload
    LOGF1("Receiving value payload (%lld bytes)...", value_length);
    ByteBuffer_Reset(value);
    KineticStatus status = KineticSocket_Read(socket_desc, value, value_length);
    if (status != KINETIC_STATUS_SUCCESS) {
        LOG0("Failed to receive PDU value payload!");
        return status;
    }
    LOG1("Received value payload successfully");
    KineticLogger_LogByteBuffer(3, "Value Buffer", *value);
    return status;
}