1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
|
// Copyright (c) 2009-2010 Satoshi Nakamoto
// Copyright (c) 2009-2014 The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
/**
* Server/client environment: argument handling, config file parsing,
* logging, thread wrappers
*/
#ifndef BITCOIN_UTIL_H
#define BITCOIN_UTIL_H
#if defined(HAVE_CONFIG_H)
#include "config/bitcoin-config.h"
#endif
#include "compat.h"
#include "tinyformat.h"
#include "utiltime.h"
#include <exception>
#include <map>
#include <stdint.h>
#include <string>
#include <vector>
#include <boost/filesystem/path.hpp>
#include <boost/signals2/signal.hpp>
#include <boost/thread/exceptions.hpp>
/** Signals for translation. */
class CTranslationInterface
{
public:
/** Translate a message to the native language of the user. */
boost::signals2::signal<std::string (const char* psz)> Translate;
};
extern std::map<std::string, std::string> mapArgs;
extern std::map<std::string, std::vector<std::string> > mapMultiArgs;
extern bool fDebug;
extern bool fPrintToConsole;
extern bool fPrintToDebugLog;
extern bool fServer;
extern std::string strMiscWarning;
extern bool fLogTimestamps;
extern bool fLogIPs;
extern volatile bool fReopenDebugLog;
extern CTranslationInterface translationInterface;
/**
* Translation function: Call Translate signal on UI interface, which returns a boost::optional result.
* If no translation slot is registered, nothing is returned, and simply return the input.
*/
inline std::string _(const char* psz)
{
boost::optional<std::string> rv = translationInterface.Translate(psz);
return rv ? (*rv) : psz;
}
void SetupEnvironment();
/** Return true if log accepts specified category */
bool LogAcceptCategory(const char* category);
/** Send a string to the log output */
int LogPrintStr(const std::string &str);
#define LogPrintf(...) LogPrint(NULL, __VA_ARGS__)
/**
* When we switch to C++11, this can be switched to variadic templates instead
* of this macro-based construction (see tinyformat.h).
*/
#define MAKE_ERROR_AND_LOG_FUNC(n) \
/** Print to debug.log if -debug=category switch is given OR category is NULL. */ \
template<TINYFORMAT_ARGTYPES(n)> \
static inline int LogPrint(const char* category, const char* format, TINYFORMAT_VARARGS(n)) \
{ \
if(!LogAcceptCategory(category)) return 0; \
return LogPrintStr(tfm::format(format, TINYFORMAT_PASSARGS(n))); \
} \
/** Log error and return false */ \
template<TINYFORMAT_ARGTYPES(n)> \
static inline bool error(const char* format, TINYFORMAT_VARARGS(n)) \
{ \
LogPrintStr("ERROR: " + tfm::format(format, TINYFORMAT_PASSARGS(n)) + "\n"); \
return false; \
}
TINYFORMAT_FOREACH_ARGNUM(MAKE_ERROR_AND_LOG_FUNC)
/**
* Zero-arg versions of logging and error, these are not covered by
* TINYFORMAT_FOREACH_ARGNUM
*/
static inline int LogPrint(const char* category, const char* format)
{
if(!LogAcceptCategory(category)) return 0;
return LogPrintStr(format);
}
static inline bool error(const char* format)
{
LogPrintStr(std::string("ERROR: ") + format + "\n");
return false;
}
void PrintExceptionContinue(const std::exception *pex, const char* pszThread);
void ParseParameters(int argc, const char*const argv[]);
void FileCommit(FILE *fileout);
bool TruncateFile(FILE *file, unsigned int length);
int RaiseFileDescriptorLimit(int nMinFD);
void AllocateFileRange(FILE *file, unsigned int offset, unsigned int length);
bool RenameOver(boost::filesystem::path src, boost::filesystem::path dest);
bool TryCreateDirectory(const boost::filesystem::path& p);
boost::filesystem::path GetDefaultDataDir();
const boost::filesystem::path &GetDataDir(bool fNetSpecific = true);
void ClearDatadirCache();
boost::filesystem::path GetConfigFile();
#ifndef WIN32
boost::filesystem::path GetPidFile();
void CreatePidFile(const boost::filesystem::path &path, pid_t pid);
#endif
void ReadConfigFile(std::map<std::string, std::string>& mapSettingsRet, std::map<std::string, std::vector<std::string> >& mapMultiSettingsRet);
#ifdef WIN32
boost::filesystem::path GetSpecialFolderPath(int nFolder, bool fCreate = true);
#endif
boost::filesystem::path GetTempPath();
void ShrinkDebugFile();
void runCommand(std::string strCommand);
inline bool IsSwitchChar(char c)
{
#ifdef WIN32
return c == '-' || c == '/';
#else
return c == '-';
#endif
}
/**
* Return string argument or default value
*
* @param strArg Argument to get (e.g. "-foo")
* @param default (e.g. "1")
* @return command-line argument or default value
*/
std::string GetArg(const std::string& strArg, const std::string& strDefault);
/**
* Return integer argument or default value
*
* @param strArg Argument to get (e.g. "-foo")
* @param default (e.g. 1)
* @return command-line argument (0 if invalid number) or default value
*/
int64_t GetArg(const std::string& strArg, int64_t nDefault);
/**
* Return boolean argument or default value
*
* @param strArg Argument to get (e.g. "-foo")
* @param default (true or false)
* @return command-line argument or default value
*/
bool GetBoolArg(const std::string& strArg, bool fDefault);
/**
* Set an argument if it doesn't already have a value
*
* @param strArg Argument to set (e.g. "-foo")
* @param strValue Value (e.g. "1")
* @return true if argument gets set, false if it already had a value
*/
bool SoftSetArg(const std::string& strArg, const std::string& strValue);
/**
* Set a boolean argument if it doesn't already have a value
*
* @param strArg Argument to set (e.g. "-foo")
* @param fValue Value (e.g. false)
* @return true if argument gets set, false if it already had a value
*/
bool SoftSetBoolArg(const std::string& strArg, bool fValue);
/**
* Format a string to be used as group of options in help messages
*
* @param message Group name (e.g. "RPC server options:")
* @return the formatted string
*/
std::string HelpMessageGroup(const std::string& message);
/**
* Format a string to be used as option description in help messages
*
* @param option Option message (e.g. "-rpcuser=<user>")
* @param message Option description (e.g. "Username for JSON-RPC connections")
* @return the formatted string
*/
std::string HelpMessageOpt(const std::string& option, const std::string& message);
void SetThreadPriority(int nPriority);
void RenameThread(const char* name);
/**
* .. and a wrapper that just calls func once
*/
template <typename Callable> void TraceThread(const char* name, Callable func)
{
std::string s = strprintf("bitcoin-%s", name);
RenameThread(s.c_str());
try
{
LogPrintf("%s thread start\n", name);
func();
LogPrintf("%s thread exit\n", name);
}
catch (const boost::thread_interrupted&)
{
LogPrintf("%s thread interrupt\n", name);
throw;
}
catch (const std::exception& e) {
PrintExceptionContinue(&e, name);
throw;
}
catch (...) {
PrintExceptionContinue(NULL, name);
throw;
}
}
#endif // BITCOIN_UTIL_H
|
