Examples with HTTP1xRouterStageConfig com.ociweb.pronghorn.network.http.HTTP1xRouterStageConfig used on opensource projects

Example 1 with HTTP1xRouterStageConfig

use of com.ociweb.pronghorn.network.http.HTTP1xRouterStageConfig in project GreenLightning by oci-pronghorn.

the class MsgRuntime method buildLastHalfOfGraphForServer.

private void buildLastHalfOfGraphForServer(MsgApp app, ServerPipesConfig serverConfig, ServerCoordinator serverCoord, final int routerCount, Pipe[] acks, Pipe[] handshakeIncomingGroup, Pipe[] planIncomingGroup) {
    if (app instanceof MsgAppParallel) {
        int p = builder.parallelTracks();
        for (int i = 0; i < p; i++) {
            constructingParallelInstance(i);
            // this creates all the modules for this parallel instance
            ((MsgAppParallel) app).declareParallelBehavior(this);
        }
    } else {
        if (builder.parallelTracks() > 1) {
            throw new UnsupportedOperationException("Remove call to parallelism(" + builder.parallelTracks() + ") OR make the application implement GreenAppParallel or something extending it.");
        }
    }
    // ////////////////
    // ////////////////
    HTTP1xRouterStageConfig routerConfig = builder.routerConfig();
    ArrayList<Pipe> forPipeCleaner = new ArrayList<Pipe>();
    Pipe<HTTPRequestSchema>[][] fromRouterToModules = new Pipe[routerCount][];
    int t = routerCount;
    int totalRequestPipes = 0;
    while (--t >= 0) {
        // [router/parallel] then [parser/routes]
        int path = routerConfig.totalPathsCount();
        // /////////////
        if (path == 0) {
            path = 1;
        }
        // ///////////
        fromRouterToModules[t] = new Pipe[path];
        while (--path >= 0) {
            ArrayList<Pipe<HTTPRequestSchema>> requestPipes = builder.buildFromRequestArray(t, path);
            // with a single pipe just pass it one, otherwise use the replicator to fan out from a new single pipe.
            int size = requestPipes.size();
            totalRequestPipes += size;
            if (1 == size) {
                fromRouterToModules[t][path] = requestPipes.get(0);
            } else {
                // we only create a pipe when we are about to use the replicator
                fromRouterToModules[t][path] = builder.newHTTPRequestPipe(builder.pcm.getConfig(HTTPRequestSchema.class));
                if (0 == size) {
                    logger.info("warning there are routes without any consumers");
                    // we have no consumer so tie it to pipe cleaner
                    forPipeCleaner.add(fromRouterToModules[t][path]);
                } else {
                    ReplicatorStage.newInstance(gm, fromRouterToModules[t][path], requestPipes.toArray(new Pipe[requestPipes.size()]));
                }
            }
        }
        if (0 == totalRequestPipes) {
            logger.warn("ERROR: includeRoutes or includeAllRoutes must be called on REST listener.");
        }
    }
    if (!forPipeCleaner.isEmpty()) {
        PipeCleanerStage.newInstance(gm, forPipeCleaner.toArray(new Pipe[forPipeCleaner.size()]));
    }
    // NOTE: building arrays of pipes grouped by parallel/routers heading out to order supervisor
    Pipe<ServerResponseSchema>[][] fromModulesToOrderSuper = new Pipe[routerCount][];
    Pipe<ServerResponseSchema>[] errorResponsePipes = new Pipe[routerCount];
    PipeConfig<ServerResponseSchema> errConfig = ServerResponseSchema.instance.newPipeConfig(4, 512);
    final boolean catchAll = builder.routerConfig().totalPathsCount() == 0;
    int j = routerCount;
    while (--j >= 0) {
        Pipe<ServerResponseSchema>[] temp = fromModulesToOrderSuper[j] = builder.buildToOrderArray(j);
        // this block is required to make sure the ordering stage has room
        int c = temp.length;
        while (--c >= 0) {
            // ensure that the ordering stage can consume messages of this size
            serverConfig.ensureServerCanWrite(temp[c].config().maxVarLenSize());
        }
    }
    serverConfig.ensureServerCanWrite(errConfig.maxVarLenSize());
    int r = routerCount;
    while (--r >= 0) {
        errorResponsePipes[r] = new Pipe<ServerResponseSchema>(errConfig);
        fromModulesToOrderSuper[r] = PronghornStage.join(errorResponsePipes[r], fromModulesToOrderSuper[r]);
    }
    NetGraphBuilder.buildRouters(gm, planIncomingGroup, acks, fromRouterToModules, errorResponsePipes, routerConfig, serverCoord, catchAll);
    // NOTE: this array populated here must be equal or larger than the fromModules..
    Pipe<NetPayloadSchema>[] fromOrderedContent = NetGraphBuilder.buildRemainderOFServerStages(gm, serverCoord, serverConfig, handshakeIncomingGroup);
    // NOTE: the fromOrderedContent must hold var len data which is greater than fromModulesToOrderSuper
    NetGraphBuilder.buildOrderingSupers(gm, serverCoord, routerCount, fromModulesToOrderSuper, fromOrderedContent);
}