1 // Copyright 2013 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #include "cloud_print/gcp20/prototype/command_line_reader.h" 6 7 #include "base/command_line.h" 8 #include "base/logging.h" 9 #include "base/strings/string_number_conversions.h" 10 #include "cloud_print/gcp20/prototype/gcp20_switches.h" 11 12 namespace command_line_reader { 13 14 uint16 ReadHttpPort(uint16 default_value) { 15 uint32 http_port = 0; 16 17 std::string http_port_string = 18 CommandLine::ForCurrentProcess()->GetSwitchValueASCII( 19 switches::kHttpPort); 20 21 if (!base::StringToUint(http_port_string, &http_port)) 22 http_port = default_value; 23 24 if (http_port > kuint16max) { 25 LOG(ERROR) << "HTTP Port is too large"; 26 http_port = default_value; 27 } 28 29 VLOG(1) << "HTTP port for responses: " << http_port; 30 return static_cast<uint16>(http_port); 31 } 32 33 uint32 ReadTtl(uint32 default_value) { 34 uint32 ttl = 0; 35 36 if (!base::StringToUint( 37 CommandLine::ForCurrentProcess()->GetSwitchValueASCII(switches::kTtl), 38 &ttl)) { 39 ttl = default_value; 40 } 41 42 VLOG(1) << "TTL for announcements: " << ttl; 43 return ttl; 44 } 45 46 std::string ReadServiceNamePrefix(const std::string& default_value) { 47 std::string service_name = 48 CommandLine::ForCurrentProcess()->GetSwitchValueASCII( 49 switches::kServiceName); 50 51 return service_name.empty() ? default_value : service_name; 52 } 53 54 std::string ReadDomainName(const std::string& default_value) { 55 std::string domain_name = 56 CommandLine::ForCurrentProcess()->GetSwitchValueASCII( 57 switches::kDomainName); 58 59 if (domain_name.empty()) 60 return default_value; 61 62 std::string suffix = ".local"; 63 if (domain_name == suffix) { 64 LOG(ERROR) << "Domain name cannot be only \"" << suffix << "\""; 65 return default_value; 66 } 67 68 if (domain_name.size() < suffix.size() || 69 domain_name.substr(domain_name.size() - suffix.size()) != suffix) { 70 LOG(ERROR) << "Domain name should end with \"" << suffix << "\""; 71 return default_value; 72 } 73 74 return domain_name; 75 } 76 77 std::string ReadStatePath(const std::string& default_value) { 78 std::string filename = CommandLine::ForCurrentProcess()->GetSwitchValueASCII( 79 switches::kStatePath); 80 81 if (filename.empty()) 82 return default_value; 83 return filename; 84 } 85 86 } // namespace command_line_reader 87 88