1    :  // Copyright 2013 Google Inc. All Rights Reserved.
   2    :  //
   3    :  // Licensed under the Apache License, Version 2.0 (the "License");
   4    :  // you may not use this file except in compliance with the License.
   5    :  // You may obtain a copy of the License at
   6    :  //
   7    :  //     http://www.apache.org/licenses/LICENSE-2.0
   8    :  //
   9    :  // Unless required by applicable law or agreed to in writing, software
  10    :  // distributed under the License is distributed on an "AS IS" BASIS,
  11    :  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  12    :  // See the License for the specific language governing permissions and
  13    :  // limitations under the License.
  14    :  
  15    :  #include "syzygy/sampler/sampler_app.h"
  16    :  
  17    :  namespace sampler {
  18    :  
  19    :  namespace {
  20    :  
  21    :  const char kUsageFormatStr[] =
  22    :      "Usage: %ls\n"
  23    :      "\n"
  24    :      "  A tool that polls running processes and profiles modules of interest.\n"
  25    :      "\n";
  26    :  
  27    :  }  // namespace
  28    :  
  29  E :  SamplerApp::SamplerApp() : common::AppImplBase("Sampler") {
  30  E :  }
  31    :  
  32  E :  bool SamplerApp::ParseCommandLine(const CommandLine* command_line) {
  33  E :    DCHECK(command_line != NULL);
  34    :  
  35    :    // TODO(chrisha): Implement me!
  36  E :    return PrintUsage(command_line->GetProgram(), "Not yet implemented!");
  37  E :  }
  38    :  
  39    :  int SamplerApp::Run() {
  40    :    // TODO(chrisha): Implement me!
  41    :    return 1;
  42    :  }
  43    :  
  44    :  bool SamplerApp::PrintUsage(const base::FilePath& program,
  45  E :                              const base::StringPiece& message) {
  46  E :    if (!message.empty()) {
  47  E :      ::fwrite(message.data(), 1, message.length(), out());
  48  E :      ::fprintf(out(), "\n\n");
  49    :    }
  50    :  
  51  E :    ::fprintf(out(), kUsageFormatStr, program.BaseName().value().c_str());
  52    :  
  53  E :    return false;
  54  E :  }
  55    :  
  56    :  }  // namespace sampler