client.cpp

ICE-3.2 一个开源的中间件

// **********************************************************************
//
// Copyright (c) 2003-2007 ZeroC, Inc. All rights reserved.
//
// This copy of Ice is licensed to you under the terms described in the
// ICE_LICENSE file included in this distribution.
//
// **********************************************************************

#include <Ice/Ice.h>
#include <Filesystem.h>
#include <iostream>
#include <iterator>

using namespace std;
using namespace Filesystem;

// Recursively print the contents of directory "dir" in tree fashion. 
// For files, show the contents of each file. The "depth"
// parameter is the current nesting level (for indentation).

static void
listRecursive(const DirectoryPrx & dir, int depth = 0)
{
    string indent(++depth, '\t');

    NodeSeq contents = dir->list();

    for (NodeSeq::const_iterator i = contents.begin(); i != contents.end(); ++i) {
        DirectoryPrx dir = DirectoryPrx::checkedCast(*i);
        FilePrx file = FilePrx::uncheckedCast(*i);
        cout << indent << (*i)->name() << (dir ? " (directory):" : " (file):") << endl;
        if (dir) {
            listRecursive(dir, depth);
        } else {
            Lines text = file->read();
            for (Lines::const_iterator j = text.begin(); j != text.end(); ++j)
                cout << indent << "\t" << *j << endl;
        }
    }
}

int
main(int argc, char * argv[])
{
    int status = 0;
    Ice::CommunicatorPtr ic;
    try {
        // Create a communicator
        //
        ic = Ice::initialize(argc, argv);

        // Create a proxy for the root directory
        //
        Ice::ObjectPrx base = ic->stringToProxy("RootDir:default -p 10000");
        if (!base)
            throw "Could not create proxy";

        // Down-cast the proxy to a Directory proxy
        //
        DirectoryPrx rootDir = DirectoryPrx::checkedCast(base);
        if (!rootDir)
            throw "Invalid proxy";

        // Recursively list the contents of the root directory
        //
        cout << "Contents of root directory:" << endl;
        listRecursive(rootDir);
    } catch (const Ice::Exception & ex) {
        cerr << ex << endl;
        status = 1;
    } catch (const char * msg) {
        cerr << msg << endl;
        status = 1;
    }

    // Clean up
    //
    if (ic)
        ic->destroy();

    return status;
}