cli/cli_diff.cpp

/*********************************************************************
 *
 * Copyright 2011 Intel Corporation
 * All Rights Reserved.
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 * Permission is hereby granted, free of charge, to any person
 * obtaining a copy of this software and associated documentation
 * files (the "Software"), to deal in the Software without
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 * of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
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 * The above copyright notice and this permission notice shall be
 * included in all copies or substantial portions of the Software.
 *
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 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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#include <string.h>
#include <iostream>

#include "cli.hpp"
#include "os_string.hpp"
#include "os_process.hpp"
#include "trace_resource.hpp"

static const char *synopsis = "Identify differences between two traces.";

static os::String
find_command(void)
{
    return trace::findScript("tracediff.py");
}

static void
usage(void)
{
    os::String command = find_command();
    if (!command.length()) {
        exit(1);
    }

    char *args[4];
    args[0] = (char *) "python";
    args[1] = (char *) command.str();
    args[2] = (char *) "--help";
    args[3] = NULL;

    os::execute(args);
}

static int
command(int argc, char *argv[])
{
    int i;

    os::String command = find_command();
    if (!command.length()) {
        return 1;
    }

    os::String apitracePath = os::getProcessName();

    std::vector<const char *> args;
    args.push_back("python");
    args.push_back(command.str());
    args.push_back("--apitrace");
    args.push_back(apitracePath.str());
    for (i = 1; i < argc; i++) {
        args.push_back(argv[i]);
    }
    args.push_back(NULL);

    return os::execute((char * const *)&args[0]);
}

const Command diff_command = {
    "diff",
    synopsis,
    usage,
    command
};