Posted on 2013-06-24 17:40
kongkongzi 阅读(6244)
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c++ network library
POCO：
参考：
1.
http://pocoproject.org/2.
https://github.com/pocoproject解析版本：poco-1.4.6p1
测试代码--TestServer.cpp：
1
#include "Poco/Net/HTTPServer.h"
2#include "Poco/Net/HTTPRequestHandler.h"
3#include "Poco/Net/HTTPRequestHandlerFactory.h"
4#include "Poco/Net/HTTPServerParams.h"
5#include "Poco/Net/HTTPServerRequest.h"
6#include "Poco/Net/HTTPServerResponse.h"
7#include "Poco/Net/HTTPServerParams.h"
8#include "Poco/Net/ServerSocket.h"
9#include "Poco/Timestamp.h"
10#include "Poco/DateTimeFormatter.h"
11#include "Poco/DateTimeFormat.h"
12#include "Poco/Exception.h"
13#include "Poco/ThreadPool.h"
14#include "Poco/Util/ServerApplication.h"
15#include "Poco/Util/Option.h"
16#include "Poco/Util/OptionSet.h"
17#include "Poco/Util/HelpFormatter.h"
18#include <iostream>
19
20using Poco::Net::ServerSocket;
21using Poco::Net::HTTPRequestHandler;
22using Poco::Net::HTTPRequestHandlerFactory;
23using Poco::Net::HTTPServer;
24using Poco::Net::HTTPServerRequest;
25using Poco::Net::HTTPServerResponse;
26using Poco::Net::HTTPServerParams;
27using Poco::Timestamp;
28using Poco::DateTimeFormatter;
29using Poco::DateTimeFormat;
30using Poco::ThreadPool;
31using Poco::Util::ServerApplication;
32using Poco::Util::Application;
33using Poco::Util::Option;
34using Poco::Util::OptionSet;
35using Poco::Util::OptionCallback;
36using Poco::Util::HelpFormatter;
37
38class TimeRequestHandler: public HTTPRequestHandler
39
{
40
public:
41 TimeRequestHandler(const std::string& format): _format(format)
42
{
43
}
44
45 void handleRequest(HTTPServerRequest& request,
46 HTTPServerResponse& response)
47 {
48 Application& app = Application::instance();
49 app.logger().information("Request from "
50 + request.clientAddress().toString());
51
52 Timestamp now;
53 std::string dt(DateTimeFormatter::format(now, _format));
54
55 response.setChunkedTransferEncoding(true);
56 response.setContentType("text/html");
57
58 std::ostream& ostr = response.send();
59 ostr << "<html><head><title>HTTPTimeServer powered by "
60 "POCO C++ Libraries</title>";
61 ostr << "<meta http-equiv=\"refresh\" content=\"1\"></head>";
62 ostr << "<body><p style=\"text-align: center; "
63 "font-size: 48px;\">";
64 ostr << dt;
65 ostr << "</p></body></html>";
66 }
67
68private:
69 std::string _format;
70
};
71
72class TimeRequestHandlerFactory: public HTTPRequestHandlerFactory
73{
74public:
75 TimeRequestHandlerFactory(const std::string& format):
76 _format(format)
77 {
78 }
79
80 HTTPRequestHandler* createRequestHandler(
81 const HTTPServerRequest& request)
82 {
83 if (request.getURI() == "/")
84 return new TimeRequestHandler(_format);
85 else
86 return 0;
87 }
88
89private:
90 std::string _format;
91};
92
93class HTTPTimeServer: public Poco::Util::ServerApplication
94{
95public:
96 HTTPTimeServer(): _helpRequested(false)
97 {
98 }
99
100 ~HTTPTimeServer()
101 {
102 }
103
104protected:
105 void initialize(Application& self)
106 {
107 loadConfiguration();
108 ServerApplication::initialize(self);
109 }
110
111 void uninitialize()
112 {
113 ServerApplication::uninitialize();
114 }
115
116 void defineOptions(OptionSet& options)
117 {
118 ServerApplication::defineOptions(options);
119
120 options.addOption(
121 Option("help", "h", "display argument help information")
122 .required(false)
123 .repeatable(false)
124 .callback(OptionCallback<HTTPTimeServer>(
125 this, &HTTPTimeServer::handleHelp)));
126 }
127
128 void handleHelp(const std::string& name,
129 const std::string& value)
130 {
131 HelpFormatter helpFormatter(options());
132 helpFormatter.setCommand(commandName());
133 helpFormatter.setUsage("OPTIONS");
134 helpFormatter.setHeader(
135 "A web server that serves the current date and time.");
136 helpFormatter.format(std::cout);
137 stopOptionsProcessing();
138 _helpRequested = true;
139 }
140
141 int main(const std::vector<std::string>& args)
142 {
143 if (!_helpRequested)
144 {
145 unsigned short port = (unsigned short)
146 config().getInt("HTTPTimeServer.port", 9980);
147 std::string format(
148 config().getString("HTTPTimeServer.format",
149 DateTimeFormat::SORTABLE_FORMAT));
150
151 ServerSocket svs(port);
152 HTTPServer srv(new TimeRequestHandlerFactory(format),
153 svs, new HTTPServerParams);
154 srv.start();
155 waitForTerminationRequest();
156 srv.stop();
157 }
158 return Application::EXIT_OK;
159 }
160
161private:
162 bool _helpRequested;
163};
164
165int main(int argc, char** argv)
166{
167 HTTPTimeServer app;
168 return app.run(argc, argv);
169} 对应的配置文件--TestServer.xml：
<config>
<HTTPTimeServer>
<port>3112</port>
</HTTPTimeServer>
</config> 图1：poco-acceptConnection
图2：poco-dispatchConnection
图3：poco-recvRequest
图4：poco-sendResponseHeader
图5：poco-sendResponseBody
poco-HTTP message：
