Drizzled Public API Documentation

server_detect.cc
1 /* -*- mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; -*-
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4  * Copyright (C) 2011 Andrew Hutchings
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20 
21 #include "client_priv.h"
22 
23 #include <boost/regex.hpp>
24 #include <iostream>
25 #include <client/server_detect.h>
26 
27 ServerDetect::ServerDetect(drizzle_con_st *connection) :
28  type(SERVER_UNKNOWN_FOUND),
29  version("")
30 {
31  boost::match_flag_type flags = boost::match_default;
32 
33  // FIXME: Detecting capabilities from a version number is a recipe for
34  // disaster, like we've seen with 15 years of JavaScript :-)
35  // Anyway, as there is no MySQL 7.x yet, this will do for tonight.
36  // I will get back to detect something tangible after the release (like
37  // presence of some table or its record in DATA_DICTIONARY.
38  boost::regex mysql_regex("^([3-6]\\.[0-9]+\\.[0-9]+)");
39  boost::regex drizzle_regex7("^(20[0-9]{2}\\.(0[1-9]|1[012])\\.[0-9]+)");
40  boost::regex drizzle_regex71("^([7-9]\\.[0-9]+\\.[0-9]+)");
41 
42  version= drizzle_con_server_version(connection);
43 
44  if (regex_search(version, drizzle_regex7, flags))
45  {
46  type= SERVER_DRIZZLE_FOUND;
47  }
48  else if (regex_search(version, drizzle_regex71, flags))
49  {
50  type= SERVER_DRIZZLE_FOUND;
51  }
52  else if (regex_search(version, mysql_regex, flags))
53  {
54  type= SERVER_MYSQL_FOUND;
55  }
56  else
57  {
58  std::cerr << "Server version not detectable. Assuming MySQL." << std::endl;
59  type= SERVER_MYSQL_FOUND;
60  }
61 }