MountSessionTest.cpp 14.9 KB
Newer Older
1
/******************************************************************************
Eric Cano's avatar
Eric Cano committed
2
 *                      tapeserverdTest.cpp
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
 *
 * This file is part of the Castor project.
 * See http://castor.web.cern.ch/castor
 *
 * Copyright (C) 2003  CERN
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 *
 * 
 *
 * @author Castor Dev team, castor-dev@cern.ch
 *****************************************************************************/

25
26
27
28
#define __STDC_CONSTANT_MACROS // For using stdint macros (stdint is included
// by inttypes.h, so we shoot first)
#include <stdint.h>
#include <inttypes.h>
29
#include <gtest/gtest.h>
30
31
32
#include "castor/tape/tapeserver/client/ClientSimulator.hpp"
#include "castor/tape/tapeserver/client/ClientSimSingleReply.hpp"
#include "castor/tape/tapeserver/client/ClientProxy.hpp"
33
#include "../threading/Threading.hpp"
Eric Cano's avatar
Eric Cano committed
34
35
#include "castor/log/StringLogger.hpp"
#include "MountSession.hpp"
36
37
#include "../system/Wrapper.hpp"
#include "Ctape.h"
38
39
40
41
#include "castor/tape/tapegateway/Volume.hpp"
#include "castor/tape/tapegateway/NoMoreFiles.hpp"
#include "castor/tape/tapegateway/EndNotificationErrorReport.hpp"
#include "castor/tape/tapegateway/NotificationAcknowledge.hpp"
42
#include "castor/tape/tapeserver/file/File.hpp"
Eric Cano's avatar
Eric Cano committed
43
44
#include "castor/tape/tapegateway/RetryPolicyElement.hpp"
#include "smc_struct.h"
45
46
47
48
#include "castor/legacymsg/VmgrProxyDummy.hpp"
#include "castor/legacymsg/VdqmProxyDummy.hpp"
#include "castor/legacymsg/RmcProxyDummy.hpp"
#include "castor/legacymsg/TapeserverProxyDummy.hpp"
Eric Cano's avatar
Eric Cano committed
49
50
51
52
53
54
55
#include <sys/mman.h>
#include <zlib.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>

56

57
using namespace castor::tape::tapeserver;
58
using namespace castor::tape::tapeserver::daemon;
59
60
61
62
namespace unitTest {

class clientRunner: public castor::tape::threading::Thread {
public:
63
  clientRunner(client::ClientSimulator &client): m_sim(client) {}
64
65
66
67
private:
  void run() {
    m_sim.sessionLoop();
  }
68
  client::ClientSimulator & m_sim;
69
70
71
};

  
Eric Cano's avatar
Eric Cano committed
72
TEST(tapeServer, MountSessionGooddayRecall) {
73
74
75
76
  // TpcpClients only supports 32 bits session number
  // This number has to be less than 2^31 as in addition there is a mix
  // of signed and unsigned numbers
  // As the current ids in prod are ~30M, we are far from overflow (Feb 2013)
Eric Cano's avatar
Eric Cano committed
77
78
79
  // 0) Prepare the logger for everyone
  castor::log::StringLogger logger("tapeServerUnitTest");
  
80
  // 1) prepare the client and run it in another thread
81
82
  uint32_t volReq = 0xBEEF;
  std::string vid = "V12345";
83
  std::string density = "8000GC";
84
85
  client::ClientSimulator sim(volReq, vid, density, tapegateway::READ_TP,
    tapegateway::READ);
86
  client::ClientSimulator::ipPort clientAddr = sim.getCallbackAddress();
87
88
  clientRunner simRun(sim);
  simRun.start();
89
90
  
  // 2) Prepare the VDQM request
91
  castor::legacymsg::RtcpJobRqstMsgBody VDQMjob;
92
93
  snprintf(VDQMjob.clientHost, CA_MAXHOSTNAMELEN+1, "%d.%d.%d.%d",
    clientAddr.a, clientAddr.b, clientAddr.c, clientAddr.d);
94
95
  snprintf(VDQMjob.driveUnit, CA_MAXUNMLEN+1, "T10D6116");
  snprintf(VDQMjob.dgn, CA_MAXDGNLEN+1, "LIBXX");
96
97
98
  VDQMjob.clientPort = clientAddr.port;
  VDQMjob.volReqId = volReq;
  
99
100
101
  // 3) Prepare the necessary environment (logger, plus system wrapper), 
  // construct and run the session.
  castor::tape::System::mockWrapper mockSys;
102
103
  mockSys.delegateToFake();
  mockSys.disableGMockCallsCounting();
104
  mockSys.fake.setupForVirtualDriveSLC6();
105
106
107
108

  //delete is unnecessary
  //pointer with ownership will be passed to the application,
  //which will do the delete 
109
  mockSys.fake.m_pathToDrive["/dev/nst0"] = new castor::tape::drives::FakeDrive;
110
  
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
  // We can prepare files for reading on the drive
  {
    // Label the tape
    castor::tape::tapeFile::LabelSession ls(*mockSys.fake.m_pathToDrive["/dev/nst0"], 
        "V12345", true);
    mockSys.fake.m_pathToDrive["/dev/nst0"]->rewind();
    // And write to it
    castor::tape::tapeFile::WriteSession ws(*mockSys.fake.m_pathToDrive["/dev/nst0"],
        "V12345", 0, true);
    // Write a few files on the virtual tape
    // Prepare the data
    uint8_t data[1000];
    castor::tape::SCSI::Structures::zeroStruct(&data);
    for (int fseq=1; fseq <= 10 ; fseq ++) {
      castor::tape::tapegateway::FileToRecallStruct ftr;
      castor::tape::tapegateway::FileToMigrateStruct ftm_temp;
      ftr.setFseq(fseq);
      ftm_temp.setFseq(fseq);
      ftr.setFileid(1000 + fseq);
      ftm_temp.setFileid(1000 + fseq);
      castor::tape::tapeFile::WriteFile wf(&ws, ftm_temp, 256*1024);
      // Cut up the position into the old-style BlockId0-3
      ftr.setBlockId0(wf.getPosition() >> 24);
      ftr.setBlockId1( (wf.getPosition() >> 16) & 0xFF);
      ftr.setBlockId2( (wf.getPosition() >> 8) & 0xFF);
      ftr.setBlockId3(wf.getPosition() & 0xFF);
Eric Cano's avatar
Eric Cano committed
137
138
      // Set the recall destination (/dev/null)
      ftr.setPath("/dev/null");
139
140
141
142
143
144
145
146
      // Write the data (one block)
      wf.write(data, sizeof(data));
      // Close the file
      wf.close();
      // Record the file for recall
      sim.addFileToRecall(ftr, sizeof(data));
    }
  }
147
148
149
150
151
152
  utils::TpconfigLines tpConfig;
  // Actual TPCONFIG lifted from prod
  tpConfig.push_back(utils::TpconfigLine("T10D6116", "T10KD6", 
  "/dev/tape_T10D6116", "8000GC", "down", "acs0,1,1,6", "T10000"));
  tpConfig.push_back(utils::TpconfigLine("T10D6116", "T10KD6", 
  "/dev/tape_T10D6116", "5000GC", "down", "acs0,1,1,6", "T10000"));
153
  MountSession::CastorConf castorConf;
154
  castorConf.rtcopydBufsz = 1024*1024; // 1 MB memory buffers
155
  castorConf.rtcopydNbBufs = 10;
156
157
  castorConf.tapebridgeBulkRequestRecallMaxBytes = UINT64_C(100)*1000*1000*1000;
  castorConf.tapebridgeBulkRequestRecallMaxFiles = 1000;
158
  castorConf.tapeserverdDiskThreads = 1;
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
  castor::legacymsg::VmgrProxyDummy vmgr;
  castor::legacymsg::VdqmProxyDummy vdqm(VDQMjob);
  castor::legacymsg::RmcProxyDummy rmc;
  castor::legacymsg::TapeserverProxyDummy initialProcess;
  char argv_container [] = "tapeserver\0XXXXXXXX\0YYYYYYYYY\0ZZZZZZZZZZZ\0";
  int argc = 4;
  char * argv [4];
  {
    std::string argv_ctn_str(argv_container);
    size_t pos = 0;
    for (int i=0; i<4; i++) {
      argv[i] = & (argv_container[pos]);
      argv_ctn_str.find_first_of("\0",pos);
    }
  }
  MountSession sess(argc, argv, "tapeHost", VDQMjob, logger, mockSys, tpConfig, 
  vdqm, vmgr, rmc, initialProcess, castorConf);
Eric Cano's avatar
Eric Cano committed
176
  sess.execute();
177
  simRun.wait();
Eric Cano's avatar
Eric Cano committed
178
179
  std::string temp = logger.getLog();
  temp += "";
180
  ASSERT_EQ("V12345", sess.getVid());
181
182
}

183
184
185
186
187
188
189
190
191
TEST(tapeServer, MountSessionNoSuchDrive) {
  // TpcpClients only supports 32 bits session number
  // This number has to be less than 2^31 as in addition there is a mix
  // of signed and unsigned numbers
  // As the current ids in prod are ~30M, we are far from overflow (Feb 2013)
  // 1) prepare the client and run it in another thread
  uint32_t volReq = 0xBEEF;
  std::string vid = "V12345";
  std::string density = "8000GC";
192
193
  client::ClientSimulator sim(volReq, vid, density, tapegateway::READ_TP,
    tapegateway::READ);
194
  client::ClientSimulator::ipPort clientAddr = sim.getCallbackAddress();
195
196
197
198
  clientRunner simRun(sim);
  simRun.start();
  
  // 2) Prepare the VDQM request
199
  castor::legacymsg::RtcpJobRqstMsgBody VDQMjob;
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
  snprintf(VDQMjob.clientHost, CA_MAXHOSTNAMELEN+1, "%d.%d.%d.%d",
    clientAddr.a, clientAddr.b, clientAddr.c, clientAddr.d);
  snprintf(VDQMjob.driveUnit, CA_MAXUNMLEN+1, "T10D6116");
  snprintf(VDQMjob.dgn, CA_MAXDGNLEN+1, "LIBXX");
  VDQMjob.clientPort = clientAddr.port;
  VDQMjob.volReqId = volReq;
  
  // 3) Prepare the necessary environment (logger, plus system wrapper), 
  // construct and run the session.
  castor::log::StringLogger logger("tapeServerUnitTest");
  castor::tape::System::mockWrapper mockSys;
  mockSys.delegateToFake();
  mockSys.disableGMockCallsCounting();
  mockSys.fake.setupForVirtualDriveSLC6();
  utils::TpconfigLines tpConfig;
  // Actual TPCONFIG lifted from prod
  tpConfig.push_back(utils::TpconfigLine("T10D6116", "T10KD6", 
  "/dev/noSuchTape", "8000GC", "down", "acs0,1,1,6", "T10000"));
  tpConfig.push_back(utils::TpconfigLine("T10D6116", "T10KD6", 
  "/dev/noSuchTape", "5000GC", "down", "acs0,1,1,6", "T10000"));
220
221
222
  MountSession::CastorConf castorConf;
  castorConf.rtcopydBufsz = 1024;
  castorConf.rtcopydNbBufs = 10;
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
  castor::legacymsg::VmgrProxyDummy vmgr;
  castor::legacymsg::VdqmProxyDummy vdqm(VDQMjob);
  castor::legacymsg::RmcProxyDummy rmc;
  castor::legacymsg::TapeserverProxyDummy initialProcess;
  char argv_container [] = "tapeserver\0XXXXXXXX\0YYYYYYYYY\0ZZZZZZZZZZZ\0";
  int argc = 4;
  char * argv [4];
  {
    std::string argv_ctn_str(argv_container);
    size_t pos = 0;
    for (int i=0; i<4; i++) {
      argv[i] = & (argv_container[pos]);
      argv_ctn_str.find_first_of("\0",pos);
    }
  }
  MountSession sess(argc, argv, "tapeHost", VDQMjob, logger, mockSys, tpConfig, 
  vdqm, vmgr, rmc, initialProcess, castorConf);
240
241
242
243
244
245
246
  sess.execute();
  simRun.wait();
  std::string temp = logger.getLog();
  temp += "";
  ASSERT_NE(std::string::npos, logger.getLog().find("Drive not found on this path"));
}

Eric Cano's avatar
Eric Cano committed
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
class tempFile {
public:
  tempFile(size_t size): m_size(size) {
    // Create a temporary file
    int randomFd = open("/dev/urandom", 0);
    castor::exception::Errnum::throwOnMinusOne(randomFd, "Error opening /dev/urandom");
    char path[100];
    strncpy(path, "/tmp/castorUnitTestMigrationSourceXXXXXX", 100);
    int tmpFileFd = mkstemp(path);
    castor::exception::Errnum::throwOnMinusOne(tmpFileFd, "Error creating a temporary file");
    m_path = path;
    char * buff = NULL;
    try {
      buff = new char[size];
      if(!buff) { throw castor::exception::Exception("Failed to allocate memory to read /dev/urandom"); }
      castor::exception::Errnum::throwOnMinusOne(read(randomFd, buff, size));
      castor::exception::Errnum::throwOnMinusOne(write(tmpFileFd, buff, size));
      m_checksum = adler32(0L, Z_NULL, 0);
      m_checksum = adler32(m_checksum, (const Bytef *)buff, size);
      close(randomFd);
      close(tmpFileFd);
Eric Cano's avatar
Eric Cano committed
268
      delete[] buff;
Eric Cano's avatar
Eric Cano committed
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
    } catch (...) {
      delete[] buff;
      unlink(m_path.c_str());
      throw;
    }
  }
  
  ~tempFile() {
    unlink(m_path.c_str());
  }
  const size_t m_size;
  const std::string path() const { return m_path; }
  uint32_t checksum() const { return m_checksum; }
private:
  std::string m_path;
  uint32_t m_checksum;
};

class tempFileVector: public std::vector<tempFile *> {
public:
  ~tempFileVector() {
    while(size()) {
      delete back();
      pop_back();
    }
  }
};

struct expectedResult {
  expectedResult(int fs, uint32_t cs): fSeq(fs), checksum(cs) {}
  int fSeq;
  uint32_t checksum;
};

TEST(tapeServer, MountSessionGooddayMigration) {
  // TpcpClients only supports 32 bits session number
  // This number has to be less than 2^31 as in addition there is a mix
  // of signed and unsigned numbers
  // As the current ids in prod are ~30M, we are far from overflow (Feb 2013)
  // 0) Prepare the logger for everyone
  castor::log::StringLogger logger("tapeServerUnitTest");
  
  // 1) prepare the client and run it in another thread
  uint32_t volReq = 0xBEEF;
  std::string vid = "V12345";
  std::string density = "8000GC";
  client::ClientSimulator sim(volReq, vid, density, tapegateway::WRITE_TP,
    tapegateway::WRITE);
  client::ClientSimulator::ipPort clientAddr = sim.getCallbackAddress();
  clientRunner simRun(sim);
  simRun.start();
  
  // 2) Prepare the VDQM request
Eric Cano's avatar
Eric Cano committed
322
  castor::legacymsg::RtcpJobRqstMsgBody VDQMjob;
Eric Cano's avatar
Eric Cano committed
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
  snprintf(VDQMjob.clientHost, CA_MAXHOSTNAMELEN+1, "%d.%d.%d.%d",
    clientAddr.a, clientAddr.b, clientAddr.c, clientAddr.d);
  snprintf(VDQMjob.driveUnit, CA_MAXUNMLEN+1, "T10D6116");
  snprintf(VDQMjob.dgn, CA_MAXDGNLEN+1, "LIBXX");
  VDQMjob.clientPort = clientAddr.port;
  VDQMjob.volReqId = volReq;
  
  // 3) Prepare the necessary environment (logger, plus system wrapper), 
  // construct and run the session.
  castor::tape::System::mockWrapper mockSys;
  mockSys.delegateToFake();
  mockSys.disableGMockCallsCounting();
  mockSys.fake.setupForVirtualDriveSLC6();

  //delete is unnecessary
  //pointer with ownership will be passed to the application,
  //which will do the delete 
  mockSys.fake.m_pathToDrive["/dev/nst0"] = new castor::tape::drives::FakeDrive;
  
  // Just label the tape
  castor::tape::tapeFile::LabelSession ls(*mockSys.fake.m_pathToDrive["/dev/nst0"], 
      "V12345", true);
  mockSys.fake.m_pathToDrive["/dev/nst0"]->rewind();
  
  tempFileVector tempFiles;
  std::vector<expectedResult> expected;
  // Prepare the files (in real filesystem as they will be opened by the rfio client)
  for (int fseq=1; fseq<=10; fseq++) {
    // Create the file from which we will recall
    std::auto_ptr<tempFile> tf(new tempFile(1000));
    // Prepare the migrationRequest
    castor::tape::tapegateway::FileToMigrateStruct ftm;
    ftm.setFileSize(tf->m_size);
    ftm.setFileid(1000 + fseq);
    ftm.setFseq(fseq);
    ftm.setPath(tf->path());
    sim.addFileToMigrate(ftm);
    expected.push_back(expectedResult(fseq, tf->checksum()));
    tempFiles.push_back(tf.release());
  }
  utils::TpconfigLines tpConfig;
  // Actual TPCONFIG lifted from prod
  tpConfig.push_back(utils::TpconfigLine("T10D6116", "T10KD6", 
  "/dev/tape_T10D6116", "8000GC", "down", "acs0,1,1,6", "T10000"));
  tpConfig.push_back(utils::TpconfigLine("T10D6116", "T10KD6", 
  "/dev/tape_T10D6116", "5000GC", "down", "acs0,1,1,6", "T10000"));
  MountSession::CastorConf castorConf;
  castorConf.rtcopydBufsz = 1024*1024; // 1 MB memory buffers
  castorConf.rtcopydNbBufs = 10;
372
373
  castorConf.tapebridgeBulkRequestMigrationMaxBytes = UINT64_C(100)*1000*1000*1000;
  castorConf.tapebridgeBulkRequestMigrationMaxFiles = 1000;
Eric Cano's avatar
Eric Cano committed
374
  castorConf.tapeserverdDiskThreads = 1;
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
  castor::legacymsg::VmgrProxyDummy vmgr;
  castor::legacymsg::VdqmProxyDummy vdqm(VDQMjob);
  castor::legacymsg::RmcProxyDummy rmc;
  castor::legacymsg::TapeserverProxyDummy initialProcess;
  char argv_container [] = "tapeserver\0XXXXXXXX\0YYYYYYYYY\0ZZZZZZZZZZZ\0";
  int argc = 4;
  char * argv [4];
  {
    std::string argv_ctn_str(argv_container);
    size_t pos = 0;
    for (int i=0; i<4; i++) {
      argv[i] = & (argv_container[pos]);
      argv_ctn_str.find_first_of("\0",pos);
    }
  }
  MountSession sess(argc, argv, "tapeHost", VDQMjob, logger, mockSys, tpConfig, 
  vdqm, vmgr, rmc, initialProcess, castorConf);
Eric Cano's avatar
Eric Cano committed
392
393
  sess.execute();
  simRun.wait();
394
395
396
397
  for (std::vector<struct expectedResult>::iterator i = expected.begin();
      i != expected.end(); i++) {
    ASSERT_EQ(i->checksum, sim.m_receivedChecksums[i->fSeq]);
  }
Eric Cano's avatar
Eric Cano committed
398
399
}

400
}
401