source: trunk/FACT++/src/chatclient.cc@ 10506

Last change on this file since 10506 was 10506, checked in by tbretz, 10 years ago
File size: 4.9 KB
Line 
1#include <boost/filesystem.hpp>
2
3#include "Configuration.h"
4#include "ChatClient.h"
5
6using namespace std;
7
8template <class T>
9void RunShell(Configuration &conf)
10{
11 // A normal kill will call its destructor! (Very nice feature ;) )
12 static T shell(conf.GetName().c_str(), conf.Get<int>("console")!=1);
13
14 WindowLog &win = shell.GetStreamIn();
15 WindowLog &wout = shell.GetStreamOut();
16
17 if (conf.Has("log"))
18 if (!wout.OpenLogFile(conf.Get<string>("log")))
19 win << kRed << "ERROR - Couldn't open log-file " << conf.Get<string>("log") << ": " << strerror(errno) << endl;
20
21 shell.Run();
22}
23
24
25// ========================================================================
26void SetupConfiguration(Configuration &conf)
27{
28 const string n = conf.GetName()+".log";
29
30 po::options_description config("Program options");
31 config.add_options()
32 ("dns", var<string>("localhost"), "Dim nameserver host name (Overwites DIM_DNS_NODE environment variable)")
33 ("log,l", var<string>(n), "Write log-file")
34 ("console,c", var<int>(), "Use console (0=shell, 1=simple buffered, X=simple unbuffered)")
35 ;
36
37 conf.AddEnv("dns", "DIM_DNS_NODE");
38
39 conf.AddOptions(config);
40}
41
42/*
43 Extract usage clause(s) [if any] for SYNOPSIS.
44 Translators: "Usage" and "or" here are patterns (regular expressions) which
45 are used to match the usage synopsis in program output. An example from cp
46 (GNU coreutils) which contains both strings:
47 Usage: cp [OPTION]... [-T] SOURCE DEST
48 or: cp [OPTION]... SOURCE... DIRECTORY
49 or: cp [OPTION]... -t DIRECTORY SOURCE...
50 */
51void PrintUsage()
52{
53 cout << "\n"
54 "The console connects to all available Dim Servers and allows to "
55 "easily access all of their commands.\n"
56 "\n"
57 "Usage: test3 [-c type] [OPTIONS]\n"
58 " or: test3 [OPTIONS]\n"
59 "\n"
60 "Options:\n"
61 "The following describes the available commandline options. "
62 "For further details on how command line option are parsed "
63 "and in which order which configuration sources are accessed "
64 "please refer to the class reference of the Configuration class.";
65 cout << endl;
66
67}
68
69void PrintHelp()
70{
71 cout <<
72 "The default is that the program is started without user intercation. "
73 "All actions are supposed to arrive as DimCommands. Using the -c "
74 "option, a local shell can be initialized. With h or help a short "
75 "help message about the usuage can be brought to the screen."
76 << endl;
77
78 /*
79 cout << "bla bla bla" << endl << endl;
80 cout << endl;
81 cout << "Environment:" << endl;
82 cout << "environment" << endl;
83 cout << endl;
84 cout << "Examples:" << endl;
85 cout << "test exam" << endl;
86 cout << endl;
87 cout << "Files:" << endl;
88 cout << "files" << endl;
89 cout << endl;
90 */
91}
92
93/*
94 The first line of the --version information is assumed to be in one
95 of the following formats:
96
97 <version>
98 <program> <version>
99 {GNU,Free} <program> <version>
100 <program> ({GNU,Free} <package>) <version>
101 <program> - {GNU,Free} <package> <version>
102
103 and separated from any copyright/author details by a blank line.
104
105 Handle multi-line bug reporting sections of the form:
106
107 Report <program> bugs to <addr>
108 GNU <package> home page: <url>
109 ...
110*/
111void PrintVersion(const char *name)
112{
113 string n = boost::filesystem::basename(name);
114 if (n.substr(0, 3)=="lt-")
115 n = n.substr(3);
116
117 cout <<
118 n << " - FACT++ 1.0\n"
119 "\n"
120 "Written by Thomas Bretz <thomas.bretz@epfl.ch> et al.\n"
121 "\n"
122 "Report bugs to Thomas Bretz <thomas.bretz@epfl.ch>\n"
123 "FACT++ home page: http://www.xxx.com\n"
124 "\n"
125 "Copyright (C) 2011 by the FACT Collaboration.\n"
126 "This is free software; see the source for copying conditions.\n"
127 << endl;
128}
129
130int main(int argc, const char *argv[])
131{
132 Configuration conf(argv[0]);
133 conf.SetPrintUsage(PrintUsage);
134 SetupConfiguration(conf);
135
136 po::variables_map vm;
137 try
138 {
139 vm = conf.Parse(argc, argv);
140 }
141 catch (std::exception &e)
142 {
143#if BOOST_VERSION > 104000
144 po::multiple_occurrences *MO = dynamic_cast<po::multiple_occurrences*>(&e);
145 if (MO)
146 cout << "Error: " << e.what() << " of '" << MO->get_option_name() << "' option." << endl;
147 else
148#endif
149 cout << "Error: " << e.what() << endl;
150 cout << endl;
151
152 return -1;
153 }
154
155 if (conf.HasPrint())
156 return -1;
157
158 if (conf.HasVersion())
159 {
160 PrintVersion(argv[0]);
161 return -1;
162 }
163
164 if (conf.HasHelp())
165 {
166 PrintHelp();
167 return -1;
168 }
169
170 // To allow overwriting of DIM_DNS_NODE set 0 to 1
171 setenv("DIM_DNS_NODE", conf.Get<string>("dns").c_str(), 1);
172
173 if (conf.Get<int>("console")==0)
174 RunShell<ChatShell>(conf);
175 else
176 RunShell<ChatConsole>(conf);
177
178
179 return 0;
180}
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