source: trunk/FACT++/src/MessageImp.h@ 20115

Last change on this file since 20115 was 17341, checked in by tbretz, 11 years ago
Implemented an output if between two messages, the date changes. This makes it easier to follow a long log file.
File size: 4.2 KB
Line 
1#ifndef FACT_MessageImp
2#define FACT_MessageImp
3
4#include <string>
5#include <sstream>
6#include <iostream>
7
8class Time;
9
10class MessageImp
11{
12public:
13 /// Severity of a message
14 enum Severity
15 {
16 kMessage = 10, ///< Just a message, usually obsolete
17 kInfo = 20, ///< An info telling something which can be interesting to know
18 kWarn = 30, ///< A warning, things that somehow might result in unexpected or unwanted bahaviour
19 kError = 40, ///< Error, something unexpected happened, but can still be handled by the program
20 kAlarm = 45, ///< Error, something unexpected happened, but needs user intervention (i.e. it needs a signal to the user)
21 kFatal = 50, ///< An error which cannot be handled at all happend, the only solution is program termination
22 kComment = 90, ///< A comment which is always printed
23 kDebug = 99, ///< A message used for debugging only
24 };
25
26private:
27 std::ostream &fOut; /// The ostream to which by default Write redirects its output
28 uint32_t fLastMjd; /// Mjd of last message
29
30 int WriteImp(const Time &time, const std::string &txt, int qos=kMessage);
31
32public:
33 MessageImp(std::ostream &out=std::cout);
34 virtual ~MessageImp() { }
35
36 virtual void IndicateStateChange(const Time &, const std::string &) { }
37 void StateChanged(const Time &time, const std::string &server, const std::string &msg, int state);
38 virtual int Write(const Time &time, const std::string &txt, int qos=kMessage);
39
40 int Update(const std::string &txt, int severity=kMessage);
41 int Update(const char *txt, int severity=kMessage) { return Update(std::string(txt), severity); }
42 int Update(const std::ostringstream &str, int severity=kMessage) { return Update(str.str(), severity); }
43// int Update(int qos, const char *fmt, ...);
44
45 int Debug(const std::string &str) { return Update(str, kDebug); }
46 int Message(const std::string &str) { return Update(str, kMessage); }
47 int Info(const std::string &str) { return Update(str, kInfo); }
48 int Warn(const std::string &str) { return Update(str, kWarn); }
49 int Error(const std::string &str) { return Update(str, kError); }
50 int Alarm(const std::string &str) { return Update(str, kAlarm); }
51 int Fatal(const std::string &str) { return Update(str, kFatal); }
52 int Comment(const std::string &str) { return Update(str, kComment); }
53
54 int Debug(const char *txt) { return Debug(std::string(txt)); }
55 int Message(const char *txt) { return Message(std::string(txt)); }
56 int Info(const char *txt) { return Info(std::string(txt)); }
57 int Warn(const char *txt) { return Warn(std::string(txt)); }
58 int Error(const char *txt) { return Error(std::string(txt)); }
59 int Alarm(const char *txt) { return Alarm(std::string(txt)); }
60 int Fatal(const char *txt) { return Fatal(std::string(txt)); }
61 int Comment(const char *txt) { return Comment(std::string(txt)); }
62
63 int Debug(const std::ostringstream &str) { return Debug(str.str()); }
64 int Message(const std::ostringstream &str) { return Message(str.str()); }
65 int Info(const std::ostringstream &str) { return Info(str.str()); }
66 int Warn(const std::ostringstream &str) { return Warn(str.str()); }
67 int Alarm(const std::ostringstream &str) { return Alarm(str.str()); }
68 int Error(const std::ostringstream &str) { return Error(str.str()); }
69 int Fatal(const std::ostringstream &str) { return Fatal(str.str()); }
70 int Comment(const std::ostringstream &str) { return Comment(str.str()); }
71
72 std::ostream &operator()() const { return fOut; }
73 std::ostream &Out() const { return fOut; }
74
75 virtual bool MessageQueueEmpty() const { return true; }
76};
77
78#endif
79
80// ***************************************************************************
81/** @fn MessageImp::IndicateStateChange(const Time &time, const std::string &server)
82
83This function is called to indicate a state change by StateChanged() to
84derived classes.
85
86@param time
87 Time at which the state change happened
88
89@param server
90 Server which emitted the state change
91
92**/
93// ***************************************************************************
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