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 |
//
// SharedLibraryTest.cpp
//
// Created by Setsu on 7/24/10.
// Copyright 2010 RoundSquare Inc. All rights reserved.
//
// Permission is hereby granted, free of charge, to any person or organization
// obtaining a copy of the software and accompanying documentation covered by
// this license (the "Software") to use, reproduce, display, distribute,
// execute, and transmit the Software, and to prepare derivative works of the
// Software, and to permit third-parties to whom the Software is furnished to
// do so, all subject to the following:
//
// The copyright notices in the Software and this entire statement, including
// the above license grant, this restriction and the following disclaimer,
// must be included in all copies of the Software, in whole or in part, and
// all derivative works of the Software, unless such copies or derivative
// works are solely in the form of machine-executable object code generated by
// a source language processor.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
// SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
// FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
//
//----------------------------------------
// include
//----------------------------------------
#include <Poco/Logger.h>
#include <Poco/PatternFormatter.h>
#include <Poco/FormattingChannel.h>
#include <Poco/ConsoleChannel.h>
#include <Poco/Format.h>
#include <Poco/SharedLibrary.h>
#include <string>
#include "ScopedLogMessage.h"
//----------------------------------------
// typedef
//----------------------------------------
typedef void (*HelloFunc)(std::string& str); // function pointer type
//----------------------------------------
// const
//----------------------------------------
const std::string kSharedLibraryName("libSharedLibrary");
const std::string kFunctionName("hello");
//----------------------------------------
// PrepareConsoleLogger
//----------------------------------------
void PrepareConsoleLogger(const std::string& name, int level=Poco::Message::PRIO_INFORMATION)
{
Poco::FormattingChannel* pFCConsole = new Poco::FormattingChannel(new Poco::PatternFormatter("%t"));
pFCConsole->setChannel(new Poco::ConsoleChannel);
pFCConsole->open();
Poco::Logger::create(name, pFCConsole, level);
}
//----------------------------------------
// main
//----------------------------------------
int main(int /*argc*/, char** /*argv*/)
{
PrepareConsoleLogger(Poco::Logger::ROOT, Poco::Message::PRIO_INFORMATION);
ScopedLogMessage msg("SharedLibraryTest ", "start", "end");
std::string path(kSharedLibraryName);
path.append(Poco::SharedLibrary::suffix());
Poco::SharedLibrary library;
try
{
library.load(path);
if(library.isLoaded())
{
msg.Message(Poco::format(" \"%s\" is loaded", path));
std::string str;
try
{
HelloFunc func = reinterpret_cast<HelloFunc>(library.getSymbol(kFunctionName));
func(str);
library.unload();
msg.Message(Poco::format(" %s", str));
}
catch(Poco::NotFoundException& exc)
{
msg.Message(Poco::format(" %s \"%s\"", std::string(exc.name()), kFunctionName));
}
}
}
catch(Poco::LibraryLoadException& exc)
{
msg.Message(Poco::format(" %s \"%s\"", std::string(exc.name()), path));
}
return 0;
} |
