pubsub_nanomsg_common.cc

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 *  KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

#include <memory.h>
#include "pubsub_nanomsg_common.h"

int celix::pubsub::nanomsg::localMsgTypeIdForMsgType(void *handle __attribute__((unused)), const char *msgType,
                                         unsigned int *msgTypeId) {
    *msgTypeId = utils_stringHash(msgType);
    return 0;
}

bool celix::pubsub::nanomsg::checkVersion(version_pt msgVersion, const celix::pubsub::nanomsg::msg_header *hdr) {
    bool check=false;
    int major=0,minor=0;

    if (msgVersion!=NULL) {
        version_getMajor(msgVersion,&major);
        version_getMinor(msgVersion,&minor);
        if (hdr->major==((unsigned char)major)) { /* Different major means incompatible */
            check = (hdr->minor>=((unsigned char)minor)); /* Compatible only if the provider has a minor equals or greater (means compatible update) */
        }
    }

    return check;
}

std::string celix::pubsub::nanomsg::setScopeAndTopicFilter(const std::string &scope, const std::string &topic) {
    std::string result("");
    if (scope.size() >= 2)  { //3 ??
        result += scope[0];
        result += scope[1];
    }
    if (topic.size() >= 2)  { //3 ??
        result += topic[0];
        result += topic[1];
    }
    return result;
}