Blame view

3rdparty/c-ares-1.18.1/test/dns-dump.cc 801 Bytes
73ef4ff3   Hu Chunming   提交三方库
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
  #include <sys/types.h>
  #include <fcntl.h>
  #ifdef _MSC_VER
  #  include <io.h>
  #else
  #  include <unistd.h>
  #endif
  
  #include <iostream>
  #include <vector>
  
  #include "dns-proto.h"
  
  namespace ares {
  
  static void ShowFile(const char* filename) {
    int fd = open(filename, O_RDONLY);
    if (fd < 0) {
      std::cerr << "Failed to open '" << filename << "'" << std::endl;
      return;
    }
    std::vector<unsigned char> contents;
    while (true) {
      unsigned char buffer[1024];
      int len = read(fd, buffer, sizeof(buffer));
      if (len <= 0) break;
      contents.insert(contents.end(), buffer, buffer + len);
    }
    std::cout << PacketToString(contents) << std::endl;
  }
  
  }  // namespace ares
  
  int main(int argc, char* argv[]) {
    for (int ii = 1; ii < argc; ++ii) {
      ares::ShowFile(argv[ii]);
    }
    return 0;
  }