summaryrefslogtreecommitdiffstats
path: root/utils/src/ping_server.cc
blob: b1a6e1509ca15b66e232fb1cd58b4188cc7cc678 (plain)
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
106
107
108
109
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
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
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
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
/*
 * Copyright (c) 2017-2019 Cisco and/or its affiliates.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at:
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#include <hicn/transport/interfaces/socket_producer.h>
#ifndef _WIN32
#include <hicn/transport/utils/daemonizator.h>
#include <unistd.h>
#else
#include <openssl/applink.c>
#endif

#include <hicn/transport/core/content_object.h>
#include <hicn/transport/core/interest.h>
#include <hicn/transport/security/identity.h>
#include <hicn/transport/security/signer.h>
#include <hicn/transport/utils/string_tokenizer.h>


#include <asio.hpp>

namespace transport {

namespace interface {

using HashAlgorithm = core::HashAlgorithm;
using CryptoSuite = utils::CryptoSuite;

utils::Identity setProducerIdentity(std::string keystore_name,
                                    std::string keystore_password,
                                    utils::CryptoHashType hash_algorithm) {
  if (access(keystore_name.c_str(), F_OK) != -1) {
    return utils::Identity(keystore_name, keystore_password, hash_algorithm);
  } else {
    return utils::Identity(keystore_name, keystore_password,
                           CryptoSuite::RSA_SHA256, 1024, 365, "producer-test");
  }
}

class CallbackContainer {
  const std::size_t log2_content_object_buffer_size = 12;

 public:
  CallbackContainer(const Name &prefix, uint32_t object_size, bool verbose,
                    bool dump, bool quite, bool flags, bool reset, uint8_t ttl,
                    utils::Identity *identity, bool sign, uint32_t lifetime)
      : buffer_(object_size, 'X'),
        content_objects_((std::uint32_t)(1 << log2_content_object_buffer_size)),
        mask_((std::uint16_t)(1 << log2_content_object_buffer_size) - 1),
        content_objects_index_(0),
        verbose_(verbose),
        dump_(dump),
        quite_(quite),
        flags_(flags),
        reset_(reset),
        ttl_(ttl),
        identity_(identity),
        sign_(sign) {
    core::Packet::Format format;

    if (prefix.getAddressFamily() == AF_INET) {
      format = core::Packet::Format::HF_INET_TCP;
      if (sign_) {
        format = core::Packet::Format::HF_INET_TCP_AH;
      }
    } else {
      format = core::Packet::Format::HF_INET6_TCP;
      if (sign_) {
        format = core::Packet::Format::HF_INET6_TCP_AH;
      }
    }

    for (int i = 0; i < (1 << log2_content_object_buffer_size); i++) {
      content_objects_[i] = std::make_shared<ContentObject>(
          prefix, format, (const uint8_t *)buffer_.data(), buffer_.size());
      content_objects_[i]->setLifetime(lifetime);
    }
  }

  void processInterest(ProducerSocket &p, const Interest &interest,
                       uint32_t lifetime) {
    if (verbose_) {
      std::cout << "<<< received interest " << interest.getName()
                << " src port: " << interest.getSrcPort()
                << " dst port: " << interest.getDstPort()
                << " flags: " << interest.printFlags()
                << "TTL: " << (int)interest.getTTL() << std::endl;
    } else if (!quite_) {
      std::cout << "<<< received interest " << interest.getName() << std::endl;
    }

    if (dump_) {
      std::cout << "----- interest dump -----" << std::endl;
      interest.dump();
      std::cout << "-------------------------" << std::endl;
    }

    if (interest.testRst()) {
      std::cout << "!!!got a reset, I don't reply" << std::endl;
    } else {
      auto &content_object = content_objects_[content_objects_index_++ & mask_];

      content_object->setName(interest.getName());
      content_object->setLifetime(lifetime);
      content_object->setLocator(interest.getLocator());
      content_object->setSrcPort(interest.getDstPort());
      content_object->setDstPort(interest.getSrcPort());
      content_object->setTTL(ttl_);

      if (!sign_) {
        content_object->resetFlags();
      }

      if (flags_) {
        if (interest.testSyn()) {
          content_object->setSyn();
          content_object->setAck();
        } else if (interest.testAck()) {
          content_object->setAck();
        }  // here I may need to handle the FIN flag;
      } else if (reset_) {
        content_object->setRst();
      }

      if (verbose_) {
        std::cout << ">>> send object " << content_object->getName()
                  << " src port: " << content_object->getSrcPort()
                  << " dst port: " << content_object->getDstPort()
                  << " flags: " << content_object->printFlags()
                  << " TTL: " << (int)content_object->getTTL() << std::endl;
      } else if (!quite_) {
        std::cout << ">>> send object " << content_object->getName()
                  << std::endl;
      }

      if (dump_) {
        std::cout << "----- object dump -----" << std::endl;
        content_object->dump();
        std::cout << "-----------------------" << std::endl;
      }

      if (!quite_) std::cout << std::endl;

      if (sign_) {
        identity_->getSigner()->sign(*content_object);
      }

      p.produce(*content_object);
    }
  }

 private:
  std::string buffer_;
  std::vector<std::shared_ptr<ContentObject>> content_objects_;
  std::uint16_t mask_;
  std::uint16_t content_objects_index_;
  bool verbose_;
  bool dump_;
  bool quite_;
  bool flags_;
  bool reset_;
  uint8_t ttl_;
  utils::Identity *identity_;
  bool sign_;
};

void help() {
  std::cout << "usage: hicn-preoducer-ping [options]" << std::endl;
  std::cout << "PING options" << std::endl;
  std::cout << "-s <val>  object content size (default 1350B)" << std::endl;
  std::cout << "-n <val>  hicn name (default b001::/64)" << std::endl;
  std::cout << "-f        set tcp flags according to the flag received "
               "(default false)"
            << std::endl;
  std::cout << "-l        data lifetime" << std::endl;
  std::cout << "-r        always reply with a reset flag (default false)"
            << std::endl;
  std::cout << "-t        set ttl (default 64)" << std::endl;
  std::cout << "OUTPUT options" << std::endl;
  std::cout << "-V        verbose, prints statistics about the messagges sent "
               "and received (default false)"
            << std::endl;
  std::cout << "-D        dump, dumps sent and received packets (default false)"
            << std::endl;
  std::cout << "-q        quite, not prints (default false)" << std::endl;
#ifndef _WIN32
  std::cout << "-d        daemon mode" << std::endl;
#endif
  std::cout << "-H        prints this message" << std::endl;
}

int main(int argc, char **argv) {
#ifdef _WIN32
  WSADATA wsaData = {0};
  WSAStartup(MAKEWORD(2, 2), &wsaData);
#else
  bool daemon = false;
#endif
  std::string name_prefix = "b001::0/64";
  std::string delimiter = "/";
  bool verbose = false;
  bool dump = false;
  bool quite = false;
  bool flags = false;
  bool reset = false;
  uint32_t object_size = 1250;
  uint8_t ttl = 64;
  std::string keystore_path = "./rsa_crypto_material.p12";
  std::string keystore_password = "cisco";
  bool sign = false;
  uint32_t data_lifetime = default_values::content_object_expiry_time;

  int opt;
#ifndef _WIN32
  while ((opt = getopt(argc, argv, "s:n:t:l:qfrVDdHk:p:")) != -1) {
#else
  while ((opt = getopt(argc, argv, "s:n:t:l:qfrVDHk:p:")) != -1) {
#endif
    switch (opt) {
      case 's':
        object_size = std::stoi(optarg);
        break;
      case 'n':
        name_prefix = optarg;
        break;
      case 't':
        ttl = (uint8_t)std::stoi(optarg);
        break;
      case 'l':
        data_lifetime = std::stoi(optarg);
        break;
      case 'V':
        verbose = true;
        break;
      case 'D':
        dump = true;
        break;
      case 'q':
        verbose = false;
        dump = false;
        quite = true;
        break;
#ifndef _WIN32
      case 'd':
        daemon = true;
        break;
#endif
      case 'f':
        flags = true;
        break;
      case 'r':
        reset = true;
        break;
      case 'k':
        keystore_path = optarg;
        sign = true;
        break;
      case 'p':
        keystore_password = optarg;
        break;
      case 'H':
      default:
        help();
        exit(EXIT_FAILURE);
    }
  }

#ifndef _WIN32
  if (daemon) {
    utils::Daemonizator::daemonize();
  }
#endif

  core::Prefix producer_namespace(name_prefix);

  utils::StringTokenizer tokenizer(name_prefix, delimiter);
  std::string ip_address = tokenizer.nextToken();
  Name n(ip_address);

  if (object_size > 1350) object_size = 1350;

  CallbackContainer *stubs;
  utils::Identity identity = setProducerIdentity(
      keystore_path, keystore_password, utils::CryptoHashType::SHA_256);

  if (sign) {
    stubs = new CallbackContainer(n, object_size, verbose, dump, quite, flags,
                                  reset, ttl, &identity, sign, data_lifetime);
  } else {
    utils::Identity *identity = nullptr;
    stubs = new CallbackContainer(n, object_size, verbose, dump, quite, flags,
                                  reset, ttl, identity, sign, data_lifetime);
  }

  ProducerSocket p;
  p.registerPrefix(producer_namespace);

  p.setSocketOption(GeneralTransportOptions::OUTPUT_BUFFER_SIZE, 0U);
  p.setSocketOption(
      ProducerCallbacksOptions::CACHE_MISS,
      (ProducerInterestCallback)bind(&CallbackContainer::processInterest, stubs,
                                     std::placeholders::_1,
                                     std::placeholders::_2, data_lifetime));

  p.connect();

  asio::io_service io_service;
  asio::signal_set signal_set(io_service, SIGINT);
  signal_set.async_wait(
      [&p, &io_service](const std::error_code &, const int &) {
        std::cout << "STOPPING!!" << std::endl;
        p.stop();
        io_service.stop();
      });

  io_service.run();

#ifdef _WIN32
  WSACleanup();
#endif
  return 0;
}

}  // namespace interface

}  // end namespace transport

int main(int argc, char **argv) {
  return transport::interface::main(argc, argv);
}