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3b2543e7 GE |
1 | /*************************************************************************** |
2 | * Copyright (C) 2004 by Intra2net AG * | |
3 | * info@intra2net.com * | |
4 | * * | |
5 | ***************************************************************************/ | |
6 | ||
7 | #include <sys/types.h> | |
8 | #include <unistd.h> | |
9 | #include <errno.h> | |
10 | #include <signal.h> | |
11 | #include <stdio.h> | |
12 | ||
13 | #include <iostream> | |
14 | #include <string> | |
15 | #include <sstream> | |
16 | #include <stdexcept> | |
17 | ||
18 | #include <cppunit/extensions/TestFactoryRegistry.h> | |
19 | #include <cppunit/ui/text/TestRunner.h> | |
20 | #include <cppunit/extensions/HelperMacros.h> | |
21 | ||
22 | #include <boost/archive/binary_oarchive.hpp> | |
23 | #include <boost/archive/binary_iarchive.hpp> | |
24 | #include <boost/archive/xml_oarchive.hpp> | |
25 | #include <boost/archive/xml_iarchive.hpp> | |
26 | #include <boost/serialization/serialization.hpp> | |
27 | ||
28 | #include <container.hxx> | |
29 | #include <socket_client.hxx> | |
30 | #include <socket_server.hxx> | |
31 | #include <command_client.hxx> | |
32 | #include <command_server.hxx> | |
33 | ||
34 | using namespace std; | |
35 | using namespace CppUnit; | |
36 | using namespace libt2n; | |
37 | ||
276fd052 | 38 | namespace reentrant |
3b2543e7 GE |
39 | { |
40 | ||
d55e0d0f | 41 | command_server *global_server = NULL; |
3b2543e7 | 42 | |
696c95c2 TJ |
43 | int fork_count = 3; |
44 | int requests_per_child = 100; | |
45 | int all_requests = (2 << (fork_count-1)) * requests_per_child; | |
46 | ||
47 | int seen_client_requests = 0; | |
48 | ||
3b2543e7 GE |
49 | string testfunc(const string& str) |
50 | { | |
51 | string ret; | |
52 | ret=str+", testfunc() was here"; | |
53 | ||
54 | // call handle, eventually reentrant | |
d55e0d0f | 55 | if (global_server) |
56f3994d | 56 | global_server->handle(10000); |
3b2543e7 | 57 | |
696c95c2 TJ |
58 | ++seen_client_requests; |
59 | ||
3b2543e7 GE |
60 | return ret; |
61 | } | |
62 | ||
63 | class testfunc_res : public libt2n::result | |
64 | { | |
65 | private: | |
66 | string res; | |
67 | ||
68 | friend class boost::serialization::access; | |
69 | template<class Archive> | |
70 | void serialize(Archive & ar, const unsigned int version) | |
71 | { | |
72 | ar & BOOST_SERIALIZATION_BASE_OBJECT_NVP(libt2n::result); | |
73 | ar & BOOST_SERIALIZATION_NVP(res); | |
74 | } | |
75 | ||
76 | public: | |
77 | testfunc_res() | |
696c95c2 TJ |
78 | { |
79 | } | |
3b2543e7 GE |
80 | |
81 | testfunc_res(const string& str) | |
82 | { | |
83 | res=str; | |
84 | } | |
85 | ||
86 | string get_data() | |
87 | { | |
88 | return res; | |
89 | } | |
90 | }; | |
91 | ||
92 | ||
93 | class testfunc_cmd : public libt2n::command | |
94 | { | |
95 | private: | |
96 | string param; | |
97 | ||
98 | friend class boost::serialization::access; | |
99 | template<class Archive> | |
100 | void serialize(Archive & ar, const unsigned int version) | |
101 | { | |
102 | ar & BOOST_SERIALIZATION_BASE_OBJECT_NVP(libt2n::command); | |
103 | ar & BOOST_SERIALIZATION_NVP(param); | |
104 | } | |
105 | ||
106 | public: | |
107 | testfunc_cmd() | |
696c95c2 TJ |
108 | { |
109 | } | |
3b2543e7 GE |
110 | |
111 | testfunc_cmd(const string& str) | |
112 | { | |
113 | param=str; | |
114 | } | |
115 | ||
116 | libt2n::result* operator()() | |
117 | { | |
118 | return new testfunc_res(testfunc(param)); | |
119 | } | |
120 | }; | |
121 | ||
122 | } | |
123 | ||
696c95c2 | 124 | |
3b2543e7 GE |
125 | #include <boost/serialization/export.hpp> |
126 | ||
276fd052 TJ |
127 | BOOST_CLASS_EXPORT(reentrant::testfunc_cmd) |
128 | BOOST_CLASS_EXPORT(reentrant::testfunc_res) | |
129 | ||
130 | using namespace reentrant; | |
3b2543e7 GE |
131 | |
132 | class test_reentrant : public TestFixture | |
133 | { | |
134 | CPPUNIT_TEST_SUITE(test_reentrant); | |
135 | ||
136 | CPPUNIT_TEST(ReentrantServer); | |
137 | ||
138 | CPPUNIT_TEST_SUITE_END(); | |
139 | ||
3b2543e7 GE |
140 | public: |
141 | ||
142 | void setUp() | |
143 | { } | |
144 | ||
145 | void tearDown() | |
146 | { } | |
147 | ||
148 | void ReentrantServer() | |
149 | { | |
56f3994d | 150 | switch(fork()) |
3b2543e7 GE |
151 | { |
152 | case -1: | |
153 | { | |
154 | CPPUNIT_FAIL("fork error"); | |
155 | break; | |
156 | } | |
157 | case 0: | |
158 | // child | |
159 | { | |
160 | // wait till server is up | |
696c95c2 | 161 | sleep(2); |
3b2543e7 | 162 | |
696c95c2 TJ |
163 | // hammer the server |
164 | for (int i = 0; i < fork_count; i++) | |
165 | fork(); | |
3b2543e7 | 166 | |
56f3994d | 167 | try |
3b2543e7 | 168 | { |
696c95c2 | 169 | for (int i=0; i < requests_per_child; i++) |
56f3994d TJ |
170 | { |
171 | socket_client_connection sc("./socket"); | |
696c95c2 | 172 | // sc.set_logging(&cerr,debug); |
56f3994d TJ |
173 | command_client cc(&sc); |
174 | ||
175 | result_container rc; | |
176 | cc.send_command(new testfunc_cmd("hello"),rc); | |
177 | ||
178 | testfunc_res *res = dynamic_cast<testfunc_res*>(rc.get_result()); | |
179 | if (res) | |
180 | { | |
181 | string ret = res->get_data(); | |
182 | if (ret != "hello, testfunc() was here") | |
696c95c2 | 183 | std::cout << "ERROR reentrant server testfunc_res failed, res: \"" << ret << "\"\n"; |
56f3994d TJ |
184 | } |
185 | else | |
186 | { | |
696c95c2 | 187 | std::cout << "ERROR result from reentrant server empty (" << rc.get_result() << ")\n"; |
56f3994d TJ |
188 | } |
189 | } | |
190 | } catch (exception &e) | |
191 | { | |
192 | cerr << "caught exception: " << e.what() << endl; | |
441d41fe TJ |
193 | } catch(...) |
194 | { | |
195 | std::cerr << "exception in child. ignoring\n"; | |
3b2543e7 GE |
196 | } |
197 | ||
198 | // don't call atexit and stuff | |
199 | _exit(0); | |
200 | } | |
201 | ||
202 | default: | |
203 | // parent | |
204 | { | |
56f3994d TJ |
205 | // don't kill us on broken pipe |
206 | signal(SIGPIPE, SIG_IGN); | |
207 | ||
3b2543e7 GE |
208 | socket_server ss("./socket"); |
209 | command_server cs(ss); | |
210 | ||
211 | global_server=&cs; | |
212 | ||
696c95c2 TJ |
213 | // Wait until all requests have successed |
214 | int safety_check = 0; | |
215 | while (seen_client_requests < all_requests) | |
216 | { | |
217 | ++safety_check; | |
218 | if (safety_check > 10) { | |
219 | std::cerr << "reached safety check, aborting.\n"; | |
220 | break; | |
221 | } | |
56f3994d | 222 | |
696c95c2 TJ |
223 | long long maxtime=1000000; |
224 | while(maxtime > 0) | |
225 | cs.handle(maxtime,&maxtime); | |
226 | } | |
56f3994d | 227 | |
d55e0d0f | 228 | global_server = NULL; |
3b2543e7 GE |
229 | } |
230 | ||
231 | // we are still alive, everything is ok | |
696c95c2 | 232 | CPPUNIT_ASSERT_EQUAL(all_requests, seen_client_requests); |
3b2543e7 GE |
233 | } |
234 | } | |
235 | ||
236 | }; | |
237 | ||
238 | ||
239 | CPPUNIT_TEST_SUITE_REGISTRATION(test_reentrant); |