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26b0f687 CH |
1 | /* |
2 | The software in this package is distributed under the GNU General | |
3 | Public License version 2 (with a special exception described below). | |
4 | ||
5 | A copy of GNU General Public License (GPL) is included in this distribution, | |
6 | in the file COPYING.GPL. | |
7 | ||
8 | As a special exception, if other files instantiate templates or use macros | |
9 | or inline functions from this file, or you compile this file and link it | |
10 | with other works to produce a work based on this file, this file | |
11 | does not by itself cause the resulting work to be covered | |
12 | by the GNU General Public License. | |
13 | ||
14 | However the source code for this file must still be made available | |
15 | in accordance with section (3) of the GNU General Public License. | |
16 | ||
17 | This exception does not invalidate any other reasons why a work based | |
18 | on this file might be covered by the GNU General Public License. | |
19 | */ | |
20 | ||
21 | #define BOOST_TEST_MAIN | |
22 | #define BOOST_TEST_DYN_LINK | |
23 | ||
24 | #include <algorithm> | |
25 | ||
26 | #include <boost/test/unit_test.hpp> | |
27 | #include <boost/asio/io_service.hpp> | |
28 | #include <boost/asio/ip/address.hpp> | |
8d26221d CH |
29 | #include <boost/bind.hpp> |
30 | ||
31 | #include <logfunc.hpp> | |
26b0f687 CH |
32 | |
33 | #include "host/pingprotocol.h" | |
34 | #include "dns/hostaddress.h" | |
35 | #include "dns/dnsmaster.h" | |
36 | #include "dns/dnscache.h" | |
37 | #include "dns/resolverbase.h" | |
8d26221d CH |
38 | #include "dns/cname.h" |
39 | ||
40 | using boost::asio::ip::address; | |
26b0f687 | 41 | |
cd71d095 CH |
42 | // constants for master |
43 | address name_server = address::from_string("127.0.0.1"); | |
44 | const int resolved_ip_ttl_threshold = 5; // this should be greater than... | |
45 | const uint32_t min_time_between_resolves = 3; // ... this! | |
46 | const int max_address_resolution_attempts = 2; | |
47 | const int max_recursion_count = 10; | |
48 | const std::string cache_file = DnsCache::DoNotUseCacheFile; | |
49 | ||
26b0f687 | 50 | //------------------------------------------------------------------------------ |
8d26221d | 51 | // Global Test fixture (created once for test suite) |
26b0f687 CH |
52 | //------------------------------------------------------------------------------ |
53 | ||
8d26221d CH |
54 | // rely on boost that there will only be one instance |
55 | struct GlobalFixture; | |
56 | GlobalFixture *global_fixture; | |
26b0f687 | 57 | |
8d26221d CH |
58 | |
59 | struct GlobalFixture | |
26b0f687 | 60 | { |
8d26221d CH |
61 | |
62 | GlobalFixture() | |
63 | : IoService() | |
64 | , Cache() | |
65 | , Master() | |
26b0f687 | 66 | { |
8d26221d CH |
67 | BOOST_TEST_MESSAGE("Create global fixture"); |
68 | ||
69 | // setup logging so we can see output from out code | |
70 | I2n::Logger::enable_stderr_log( true ); | |
4389b86d | 71 | I2n::Logger::set_log_level( I2n::Logger::LogLevel::Info ); |
8d26221d CH |
72 | I2n::Logger::GlobalLogger.info() << "Logging enabled for DnsTest"; |
73 | ||
74 | // IoService | |
75 | IoServiceItem io_service_temp( new boost::asio::io_service() ); | |
76 | io_service_temp.swap( IoService ); | |
77 | io_service_temp.reset(); | |
78 | ||
79 | // DNS Cache | |
80 | DnsCacheItem cache_temp = DnsCacheItem( | |
f833126b | 81 | new DnsCache(IoService, cache_file, min_time_between_resolves) ); |
8d26221d CH |
82 | cache_temp.swap( Cache ); |
83 | cache_temp.reset(); | |
84 | fill_cache(); | |
85 | ||
86 | // create master | |
87 | DnsMaster::create_master(IoService, | |
26b0f687 CH |
88 | name_server, |
89 | resolved_ip_ttl_threshold, | |
90 | max_address_resolution_attempts, | |
cd71d095 | 91 | max_recursion_count, |
8d26221d CH |
92 | Cache); |
93 | Master = DnsMaster::get_instance(); | |
94 | ||
95 | // remember this instance, so we can later access all these variables | |
96 | if (global_fixture == 0) | |
97 | global_fixture = this; | |
26b0f687 | 98 | } |
8d26221d CH |
99 | |
100 | ~GlobalFixture() | |
101 | { | |
102 | BOOST_TEST_MESSAGE("Destructing global fixture"); | |
103 | IoService->stop(); | |
104 | IoService.reset(); | |
105 | Master.reset(); | |
106 | } | |
107 | ||
108 | void fill_cache() | |
109 | { | |
110 | BOOST_TEST_MESSAGE( "Filling cache..." ); | |
111 | { | |
112 | HostAddress ip(address::from_string("192.168.42.1"), 61); | |
113 | HostAddressVec ips; | |
114 | ips.push_back(ip); | |
115 | Cache->update("host1.test", ips); | |
116 | } | |
117 | ||
118 | { | |
119 | HostAddress ip1(address::from_string("192.168.42.2"), 92); | |
120 | HostAddress ip2(address::from_string("192.168.42.3"), 93); | |
121 | HostAddressVec ips; | |
122 | ips.push_back(ip1); | |
123 | ips.push_back(ip2); | |
124 | Cache->update("host2_3.test", ips); | |
125 | } | |
126 | ||
00c81aa0 CH |
127 | { |
128 | // cname.test --> host1.test | |
129 | Cache->update("cname.test", Cname("host1.test", 35) ); | |
8d26221d | 130 | |
00c81aa0 CH |
131 | // cname2.test --> cname.test --> host1.test |
132 | Cache->update("cname2.test", Cname("cname.test", 33) ); | |
9d1b2726 | 133 | |
00c81aa0 CH |
134 | // cname3.test --> cname2.test --> cname.test --> host1.test |
135 | Cache->update("cname3.test", Cname("cname2.test", 37) ); | |
136 | } | |
137 | ||
f833126b | 138 | { // for cache_outdated_test |
00c81aa0 CH |
139 | HostAddressVec ips; |
140 | ips.push_back( HostAddress( address::from_string("192.168.42.4"), | |
141 | 0 ) ); | |
142 | ips.push_back( HostAddress( address::from_string("192.168.42.5"), | |
143 | resolved_ip_ttl_threshold-1 ) ); | |
144 | ips.push_back( HostAddress( address::from_string("192.168.42.6"), | |
145 | resolved_ip_ttl_threshold ) ); | |
146 | ips.push_back( HostAddress( address::from_string("192.168.42.7"), | |
147 | resolved_ip_ttl_threshold+1 ) ); | |
148 | Cache->update("host_outdated.test", ips); | |
149 | ||
150 | Cache->update( "cname_outdated.test", | |
151 | Cname("host_outdated.test", resolved_ip_ttl_threshold) ); | |
152 | Cache->update( "cname_up_to_date.test", | |
153 | Cname("host_outdated.test", resolved_ip_ttl_threshold+1)); | |
154 | } | |
8d26221d | 155 | |
f833126b CH |
156 | { // for cache_ttl_below_thresh_test |
157 | // TTLs < min_time_between_resolves should be corrected | |
158 | HostAddressVec ips; | |
159 | ips.push_back( HostAddress( address::from_string("192.128.42.8"), | |
160 | 1 ) ); | |
161 | Cache->update("host_ttl_below_thresh.test", ips); | |
162 | ||
163 | Cache->update( "cname_ttl_below_thresh.test", | |
164 | Cname("host_ttl_below_thresh.test", 2) ); | |
165 | } | |
166 | ||
cd71d095 CH |
167 | { // create a CNAME loop cname_loop1.test --> cname_loop2.test |
168 | // --> cname_loop3.test --> cname_loop1.test | |
169 | Cache->update( "cname_loop1.test", Cname("cname_loop2.test", 60) ); | |
170 | Cache->update( "cname_loop2.test", Cname("cname_loop3.test", 60) ); | |
171 | Cache->update( "cname_loop3.test", Cname("cname_loop1.test", 60) ); | |
172 | } | |
173 | ||
8d26221d CH |
174 | BOOST_TEST_MESSAGE( "Done filling cache." ); |
175 | } | |
176 | ||
177 | // these variables will not be available in test cases: | |
178 | IoServiceItem IoService; | |
179 | DnsCacheItem Cache; | |
180 | DnsMasterItem Master; | |
181 | }; | |
182 | ||
183 | // this causes above fixture to be created only once before tests start and | |
184 | // destructed after tests end; however, variables are not accessible in test | |
185 | // cases | |
186 | BOOST_GLOBAL_FIXTURE( GlobalFixture ) | |
187 | ||
188 | ||
189 | // using this as suite-level fixture makes variable Master accessible in all | |
190 | // test cases | |
191 | struct TestFixture | |
192 | { | |
193 | IoServiceItem IoService; | |
194 | DnsCacheItem Cache; | |
195 | DnsMasterItem Master; | |
196 | ||
197 | TestFixture() | |
198 | : IoService() | |
199 | , Cache() | |
200 | , Master() | |
201 | { | |
202 | BOOST_TEST_MESSAGE("Create test-level fixture"); | |
203 | GlobalFixture *global = global_fixture; | |
204 | IoService = global->IoService; | |
205 | Cache = global->Cache; | |
206 | Master = global->Master; | |
207 | } | |
208 | ||
209 | virtual ~TestFixture() {} | |
210 | }; | |
26b0f687 CH |
211 | |
212 | //------------------------------------------------------------------------------ | |
213 | // test suite | |
214 | //------------------------------------------------------------------------------ | |
215 | ||
8d26221d | 216 | BOOST_FIXTURE_TEST_SUITE( TestDns, TestFixture ) |
26b0f687 CH |
217 | |
218 | BOOST_AUTO_TEST_CASE( create_master ) | |
219 | { | |
8d26221d CH |
220 | // simple checks |
221 | BOOST_CHECK_EQUAL( Master->get_resolved_ip_ttl_threshold(), | |
222 | resolved_ip_ttl_threshold ); | |
223 | BOOST_CHECK_EQUAL( Master->get_max_address_resolution_attempts(), | |
224 | max_address_resolution_attempts ); | |
26b0f687 CH |
225 | } |
226 | ||
8d26221d CH |
227 | //------------------------------------------------------------------------------ |
228 | // test Cache | |
229 | //------------------------------------------------------------------------------ | |
230 | BOOST_FIXTURE_TEST_SUITE( TestDnsCache, TestFixture ) | |
231 | ||
232 | BOOST_AUTO_TEST_CASE( cache_retrieve_ip1 ) | |
26b0f687 | 233 | { |
8d26221d | 234 | HostAddressVec ips = Cache->get_ips("host1.test"); |
f833126b | 235 | BOOST_REQUIRE_EQUAL( ips.size(), 1 ); |
8d26221d | 236 | HostAddress ip = ips.front(); |
4389b86d | 237 | BOOST_CHECK( ip.is_valid() ); |
8d26221d CH |
238 | BOOST_CHECK_EQUAL( ip.get_ip().to_string(), "192.168.42.1" ); |
239 | BOOST_CHECK_EQUAL( ip.get_ttl().get_value(), 61 ); | |
240 | } | |
241 | ||
242 | ||
243 | BOOST_AUTO_TEST_CASE( cache_retrieve_ip2 ) | |
244 | { | |
245 | HostAddressVec ips = Cache->get_ips("host2_3.test"); | |
246 | BOOST_CHECK_EQUAL( ips.size(), 2 ); | |
247 | HostAddress ip = ips[0]; | |
4389b86d | 248 | BOOST_CHECK( ip.is_valid() ); |
8d26221d CH |
249 | BOOST_CHECK_EQUAL( ip.get_ip().to_string(), "192.168.42.2" ); |
250 | BOOST_CHECK_EQUAL( ip.get_ttl().get_value(), 92 ); | |
251 | ip = ips[1]; | |
4389b86d | 252 | BOOST_CHECK( ip.is_valid() ); |
8d26221d CH |
253 | BOOST_CHECK_EQUAL( ip.get_ip().to_string(), "192.168.42.3" ); |
254 | BOOST_CHECK_EQUAL( ip.get_ttl().get_value(), 93 ); | |
255 | } | |
26b0f687 | 256 | |
8d26221d CH |
257 | BOOST_AUTO_TEST_CASE( cache_retrieve_cname ) |
258 | { | |
259 | HostAddressVec ips = Cache->get_ips("cname.test"); | |
260 | BOOST_CHECK( ips.empty() ); | |
261 | ||
262 | Cname cname = Cache->get_cname("cname.test"); | |
263 | BOOST_CHECK_EQUAL( cname.Host, "host1.test" ); | |
264 | BOOST_CHECK_EQUAL( cname.Ttl.get_value(), 35 ); | |
265 | } | |
266 | ||
267 | BOOST_AUTO_TEST_CASE( cache_retrieve_recursive1 ) | |
268 | { | |
269 | // should get IP from host1 but ttl from cname since is smaller | |
270 | HostAddressVec ips = Cache->get_ips_recursive("cname.test"); | |
f833126b | 271 | BOOST_REQUIRE_EQUAL( ips.size(), 1 ); |
8d26221d | 272 | HostAddress ip = ips.front(); |
4389b86d | 273 | BOOST_CHECK( ip.is_valid() ); |
8d26221d CH |
274 | BOOST_CHECK_EQUAL( ip.get_ip().to_string(), "192.168.42.1" ); |
275 | BOOST_CHECK_EQUAL( ip.get_ttl().get_value(), 35 ); | |
276 | } | |
277 | ||
278 | BOOST_AUTO_TEST_CASE( cache_retrieve_recursive2 ) | |
279 | { | |
280 | // should get IP from host1 but ttl from cname2 since is smaller | |
281 | HostAddressVec ips = Cache->get_ips_recursive("cname3.test"); | |
f833126b | 282 | BOOST_REQUIRE_EQUAL( ips.size(), 1 ); |
8d26221d | 283 | HostAddress ip = ips.front(); |
4389b86d | 284 | BOOST_CHECK( ip.is_valid() ); |
8d26221d CH |
285 | BOOST_CHECK_EQUAL( ip.get_ip().to_string(), "192.168.42.1" ); |
286 | BOOST_CHECK_EQUAL( ip.get_ttl().get_value(), 33 ); | |
287 | } | |
288 | ||
9d1b2726 CH |
289 | void cname_skip_test(const uint32_t ttl1, const uint32_t ttl2, |
290 | const uint32_t ttl3, const uint32_t ttl4, | |
291 | const DnsCacheItem &cache, | |
292 | const std::string &correct_host_after_skip) | |
8d26221d | 293 | { |
9d1b2726 CH |
294 | { // create cname chain: |
295 | // skip_chain_first -(ttl1)-> skip_chain_second -(ttl2)-> | |
296 | // skip_chain_third -(ttl3)-> skip_chain_fourth -(ttl4)-> IPs | |
297 | cache->update( "skip_chain_first.test", | |
298 | Cname("skip_chain_second.test", ttl1) ); | |
299 | cache->update( "skip_chain_second.test", | |
300 | Cname("skip_chain_third.test", ttl2) ); | |
301 | cache->update( "skip_chain_third.test", | |
302 | Cname("skip_chain_fourth.test", ttl3) ); | |
8d26221d | 303 | HostAddressVec ips; |
00c81aa0 CH |
304 | ips.push_back( HostAddress( address::from_string("192.168.42.100"), |
305 | ttl4 ) ); | |
9d1b2726 | 306 | cache->update("skip_chain_fourth.test", ips); |
8d26221d CH |
307 | } |
308 | ||
9d1b2726 | 309 | // normal recursive call should give nothing since one cname is outdated |
8d26221d | 310 | bool check_up_to_date = true; |
9d1b2726 | 311 | HostAddressVec ips = cache->get_ips_recursive("skip_chain_first.test", |
8d26221d | 312 | check_up_to_date); |
9d1b2726 CH |
313 | bool one_is_out_of_date = (ttl1 < 5) || (ttl2 < 5) |
314 | || (ttl3 < 5) || (ttl4 < 5); | |
315 | BOOST_CHECK_EQUAL( ips.empty(), one_is_out_of_date ); | |
8d26221d | 316 | |
9d1b2726 CH |
317 | // now find host to resolve after the outdated one |
318 | std::string first_outdated = cache->get_first_outdated_cname( | |
8d26221d | 319 | "skip_chain_first.test", 5); |
9d1b2726 CH |
320 | BOOST_CHECK_EQUAL( first_outdated, correct_host_after_skip ); |
321 | } | |
322 | ||
323 | BOOST_AUTO_TEST_CASE( cache_skip_tests ) | |
324 | { | |
325 | // build a cname chain where first one is out of date | |
326 | cname_skip_test(0, 120, 120, 60, Cache, "skip_chain_second.test"); | |
327 | ||
328 | // build a cname chain where second one is out of date | |
329 | cname_skip_test(120, 0, 120, 60, Cache, "skip_chain_third.test"); | |
330 | ||
331 | // build a cname chain where third one is out of date | |
332 | cname_skip_test(120, 120, 0, 120, Cache, "skip_chain_fourth.test"); | |
333 | ||
334 | // build a cname chain where just IPs are out of date | |
335 | cname_skip_test(120, 120, 120, 0, Cache, ""); | |
336 | ||
337 | // build a cname chain where all are out of date | |
338 | cname_skip_test(0, 0, 0, 0, Cache, "skip_chain_second.test"); | |
339 | ||
340 | // build a cname chain where all is up to date | |
341 | cname_skip_test(120, 120, 120, 120, Cache, ""); | |
342 | ||
343 | // test case with very short cname list that is up-to-date | |
344 | BOOST_CHECK_EQUAL( Cache->get_first_outdated_cname("cname.test", 5), "" ); | |
345 | ||
346 | // test case where there is no cname at all | |
347 | BOOST_CHECK_EQUAL( Cache->get_first_outdated_cname("host1.test", 5), "" ); | |
8d26221d CH |
348 | } |
349 | ||
4389b86d CH |
350 | BOOST_AUTO_TEST_CASE( cache_load_test ) |
351 | { | |
352 | std::stringstream file_name; | |
353 | file_name << DATA_DIR_STRING << "/" << "dns_cache_example.xml"; | |
354 | BOOST_TEST_MESSAGE( "loading cache from file " << file_name.str() ); | |
f833126b CH |
355 | DnsCache loaded_cache( IoService, |
356 | file_name.str(), | |
357 | min_time_between_resolves ); | |
4389b86d | 358 | HostAddressVec ips = loaded_cache.get_ips("abc.xyz"); |
f833126b | 359 | BOOST_REQUIRE_EQUAL( ips.size(), 1 ); |
4389b86d CH |
360 | HostAddress ip = ips.front(); |
361 | BOOST_CHECK_EQUAL( ip.get_ip().to_string(), "11.22.33.44" ); | |
362 | BOOST_CHECK_EQUAL( ip.get_ttl().get_value(), 567 ); | |
363 | BOOST_CHECK_EQUAL( ip.get_ttl().get_updated_value(), 0 ); | |
364 | ||
365 | Cname cname = loaded_cache.get_cname("cname1.xyz"); | |
366 | BOOST_CHECK_EQUAL( cname.Host, "abc.xyz" ); | |
367 | BOOST_CHECK_EQUAL( cname.Ttl.get_value(), 27 ); | |
368 | BOOST_CHECK_EQUAL( cname.Ttl.get_updated_value(), 0 ); | |
369 | ||
370 | // not testing Ttl set time since is private | |
371 | } | |
372 | ||
00c81aa0 CH |
373 | BOOST_AUTO_TEST_CASE( cache_outdated_test ) |
374 | { | |
375 | bool check_up_to_date = false; | |
376 | HostAddressVec ips = Cache->get_ips("host_outdated.test", check_up_to_date); | |
377 | BOOST_CHECK_EQUAL( ips.size(), 4 ); | |
378 | ips = Cache->get_ips_recursive("host_outdated.test", check_up_to_date); | |
379 | BOOST_CHECK_EQUAL( ips.size(), 4 ); | |
380 | Cname cname = Cache->get_cname("cname_outdated.test", check_up_to_date); | |
381 | BOOST_CHECK( !cname.Host.empty() ); | |
382 | ips = Cache->get_ips_recursive("cname_outdated.test", check_up_to_date); | |
383 | BOOST_CHECK_EQUAL( ips.size(), 4 ); | |
384 | ips = Cache->get_ips_recursive("cname_up_to_date.test", check_up_to_date); | |
385 | BOOST_CHECK_EQUAL( ips.size(), 4 ); | |
386 | ||
387 | check_up_to_date = true; | |
388 | ips = Cache->get_ips( "host_outdated.test", check_up_to_date ); | |
389 | BOOST_CHECK_EQUAL( ips.size(), 1 ); | |
390 | ips = Cache->get_ips_recursive("host_outdated.test", check_up_to_date); | |
391 | BOOST_CHECK_EQUAL( ips.size(), 1 ); | |
392 | cname = Cache->get_cname("cname_outdated.test", check_up_to_date); | |
393 | BOOST_CHECK( cname.Host.empty() ); | |
394 | ips = Cache->get_ips_recursive("cname_outdated.test", check_up_to_date); | |
395 | BOOST_CHECK_EQUAL( ips.size(), 0 ); | |
396 | ips = Cache->get_ips_recursive("cname_up_to_date.test", check_up_to_date); | |
397 | BOOST_CHECK_EQUAL( ips.size(), 1 ); | |
398 | } | |
399 | ||
f833126b CH |
400 | BOOST_AUTO_TEST_CASE( cache_ttl_below_thresh_test ) |
401 | { | |
f833126b CH |
402 | HostAddressVec ips = Cache->get_ips("host_ttl_below_thresh.test", false); |
403 | BOOST_REQUIRE_EQUAL( ips.size(), 1 ); | |
404 | HostAddress ip = ips.front(); | |
405 | BOOST_CHECK_EQUAL( ip.get_ttl().get_value(), min_time_between_resolves ); | |
00c81aa0 | 406 | |
f833126b CH |
407 | Cname cname = Cache->get_cname("cname_ttl_below_thresh.test", false); |
408 | BOOST_CHECK_EQUAL( cname.Ttl.get_value(), min_time_between_resolves ); | |
409 | } | |
8d26221d | 410 | |
cd71d095 CH |
411 | BOOST_AUTO_TEST_CASE( cache_retrieve_loop ) |
412 | { | |
413 | BOOST_CHECK_EQUAL( Cache->get_ips_recursive("cname_loop1.test").size(), 0 ); | |
414 | BOOST_CHECK_EQUAL( Cache->get_ips_recursive("cname_loop2.test").size(), 0 ); | |
415 | BOOST_CHECK_EQUAL( Cache->get_ips_recursive("cname_loop3.test").size(), 0 ); | |
416 | } | |
417 | ||
418 | ||
8d26221d CH |
419 | BOOST_AUTO_TEST_SUITE_END() // of TestDnsCache |
420 | ||
421 | ||
422 | // ----------------------------------------------------------------------------- | |
423 | // test resolver | |
424 | // ----------------------------------------------------------------------------- | |
425 | ||
426 | BOOST_FIXTURE_TEST_SUITE( TestDnsResolver, TestFixture ) | |
427 | ||
8d26221d CH |
428 | BOOST_AUTO_TEST_CASE( create_resolver_v4 ) |
429 | { | |
26b0f687 CH |
430 | // create resolver |
431 | std::string hostname = "www.intra2net.com"; | |
8d26221d CH |
432 | ResolverItem resolver = Master->get_resolver_for(hostname, |
433 | PingProtocol_ICMP); | |
26b0f687 CH |
434 | BOOST_CHECK_EQUAL( resolver->get_hostname(), hostname ); |
435 | BOOST_CHECK( !resolver->is_resolving() ); | |
4389b86d | 436 | BOOST_CHECK( !resolver->is_waiting_to_resolve() ); |
26b0f687 CH |
437 | |
438 | // cancel should have no effect | |
439 | resolver->cancel_resolve(); | |
440 | BOOST_CHECK( !resolver->is_resolving() ); | |
4389b86d | 441 | BOOST_CHECK( !resolver->is_waiting_to_resolve() ); |
26b0f687 CH |
442 | |
443 | // should not have any ips since cache did not load anything | |
444 | BOOST_CHECK_EQUAL( resolver->get_resolved_ip_count(), 0 ); | |
445 | BOOST_CHECK( !resolver->have_up_to_date_ip() ); | |
446 | std::string no_ip = "0.0.0.0"; | |
447 | BOOST_CHECK_EQUAL( resolver->get_next_ip().get_ip().to_string(), no_ip ); | |
448 | } | |
449 | ||
8d26221d | 450 | |
cd71d095 | 451 | struct ResolveCallback |
8d26221d | 452 | { |
cd71d095 CH |
453 | public: |
454 | IoServiceItem IoService; | |
455 | ResolverItem Resolver; | |
456 | int CallCount; | |
457 | bool LastCallWasSuccess; | |
458 | int LastCallRecursionCount; | |
459 | ||
460 | ResolveCallback(IoServiceItem &io_serv, ResolverItem &resolver) | |
461 | : IoService(io_serv) | |
462 | , Resolver(resolver) | |
463 | , CallCount(0) | |
464 | , LastCallWasSuccess(true) | |
465 | , LastCallRecursionCount(-10) | |
466 | {} | |
467 | ||
468 | void call(const bool was_success, const int recursion_count) | |
469 | { | |
470 | BOOST_TEST_MESSAGE( "Callback called" ); | |
471 | ++CallCount; | |
8d26221d | 472 | |
cd71d095 CH |
473 | Resolver->cancel_resolve(); |
474 | IoService->stop(); | |
475 | ||
476 | LastCallWasSuccess = was_success; | |
477 | LastCallRecursionCount = recursion_count; | |
478 | } | |
479 | }; | |
8d26221d CH |
480 | |
481 | BOOST_AUTO_TEST_CASE( do_resolve ) | |
482 | { | |
483 | // create resolver | |
484 | std::string hostname = "www.intra2net.com"; | |
485 | ResolverItem resolver = Master->get_resolver_for(hostname, | |
486 | PingProtocol_ICMP); | |
4389b86d CH |
487 | BOOST_CHECK( !resolver->is_resolving() ); |
488 | BOOST_CHECK( !resolver->is_waiting_to_resolve() ); | |
8d26221d CH |
489 | |
490 | // set callback | |
cd71d095 CH |
491 | ResolveCallback *callback_obj = new ResolveCallback(IoService, resolver); |
492 | // have to manually delete this obj in the end! | |
493 | callback_type callback = boost::bind( &ResolveCallback::call, callback_obj, | |
8d26221d | 494 | _1, _2 ); |
cd71d095 | 495 | |
8d26221d CH |
496 | // start resolving |
497 | resolver->async_resolve(callback); | |
4389b86d | 498 | BOOST_CHECK( resolver->is_resolving() ); |
8d26221d CH |
499 | IoService->run(); |
500 | // this will block until io service is stopped in resolve_callback | |
cd71d095 CH |
501 | BOOST_TEST_MESSAGE( "Back to synchronous operation" ); |
502 | IoService->reset(); | |
8d26221d CH |
503 | |
504 | // check for result | |
cd71d095 CH |
505 | BOOST_CHECK_EQUAL( callback_obj->CallCount, 1 ); |
506 | BOOST_CHECK( callback_obj->LastCallWasSuccess ); | |
507 | BOOST_CHECK_EQUAL( callback_obj->LastCallRecursionCount, 0 ); | |
8d26221d | 508 | BOOST_CHECK( resolver->have_up_to_date_ip() ); |
cd71d095 CH |
509 | |
510 | delete callback_obj; | |
8d26221d CH |
511 | } |
512 | ||
513 | BOOST_AUTO_TEST_SUITE_END() // of TestDnsResolver | |
514 | ||
26b0f687 | 515 | BOOST_AUTO_TEST_SUITE_END() |