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
|
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
module thrift.base;
/**
* Common base class for all Thrift exceptions.
*/
class TException : Exception {
///
this(string msg = "", string file = __FILE__, size_t line = __LINE__,
Throwable next = null)
{
super(msg, file, line, next);
}
}
/**
* An operation failed because one or more sub-tasks failed.
*/
class TCompoundOperationException : TException {
///
this(string msg, Exception[] exceptions, string file = __FILE__,
size_t line = __LINE__, Throwable next = null)
{
super(msg, file, line, next);
this.exceptions = exceptions;
}
/// The exceptions thrown by the children of the operation. If applicable,
/// the list is ordered in the same way the exceptions occured.
Exception[] exceptions;
}
/// The Thrift version string, used for informative purposes.
// Note: This is currently hardcoded, but will likely be filled in by the build
// system in future versions.
enum VERSION = "0.9.2";
/**
* Functions used for logging inside Thrift.
*
* By default, the formatted messages are written to stdout/stderr, but this
* behavior can be overwritten by providing custom g_{Info, Error}LogSink
* handlers.
*
* Examples:
* ---
* logInfo("An informative message.");
* logError("Some error occured: %s", e);
* ---
*/
alias logFormatted!g_infoLogSink logInfo;
alias logFormatted!g_errorLogSink logError; /// Ditto
/**
* Error and info log message sinks.
*
* These delegates are called with the log message passed as const(char)[]
* argument, and can be overwritten to hook the Thrift libraries up with a
* custom logging system. By default, they forward all output to stdout/stderr.
*/
__gshared void delegate(const(char)[]) g_infoLogSink;
__gshared void delegate(const(char)[]) g_errorLogSink; /// Ditto
shared static this() {
import std.stdio;
g_infoLogSink = (const(char)[] text) {
stdout.writeln(text);
};
g_errorLogSink = (const(char)[] text) {
stderr.writeln(text);
};
}
// This should be private, if it could still be used through the aliases then.
template logFormatted(alias target) {
void logFormatted(string file = __FILE__, int line = __LINE__,
T...)(string format, T args) if (
__traits(compiles, { target(""); })
) {
import std.format, std.stdio;
if (target !is null) {
scope(exit) g_formatBuffer.clear();
// Phobos @@BUG@@: If the empty string put() is removed, Appender.data
// stays empty.
g_formatBuffer.put("");
formattedWrite(g_formatBuffer, "%s:%s: ", file, line);
static if (T.length == 0) {
g_formatBuffer.put(format);
} else {
formattedWrite(g_formatBuffer, format, args);
}
target(g_formatBuffer.data);
}
}
}
private {
// Use a global, but thread-local buffer for constructing log messages.
import std.array : Appender;
Appender!(char[]) g_formatBuffer;
}
|
