LCOV - code coverage report
Current view: top level - bench - benchmark_util.cc (source / functions) Hit Total Coverage
Test: report.info Lines: 42 43 97.7 %
Date: 2012-05-15 Functions: 3 3 100.0 %
Legend: Lines: hit not hit | Branches: + taken - not taken # not executed Branches: 56 98 57.1 %

           Branch data     Line data    Source code
       1                 :            : // Copyright (C) 2010  Internet Systems Consortium, Inc. ("ISC")
       2                 :            : //
       3                 :            : // Permission to use, copy, modify, and/or distribute this software for any
       4                 :            : // purpose with or without fee is hereby granted, provided that the above
       5                 :            : // copyright notice and this permission notice appear in all copies.
       6                 :            : //
       7                 :            : // THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
       8                 :            : // REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
       9                 :            : // AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
      10                 :            : // INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
      11                 :            : // LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
      12                 :            : // OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
      13                 :            : // PERFORMANCE OF THIS SOFTWARE.
      14                 :            : 
      15                 :            : #include <fstream>
      16                 :            : #include <iostream>
      17                 :            : #include <string>
      18                 :            : #include <vector>
      19                 :            : 
      20                 :            : #include <exceptions/exceptions.h>
      21                 :            : 
      22                 :            : #include <util/buffer.h>
      23                 :            : #include <dns/exceptions.h>
      24                 :            : #include <dns/name.h>
      25                 :            : #include <dns/message.h>
      26                 :            : #include <dns/messagerenderer.h>
      27                 :            : #include <dns/opcode.h>
      28                 :            : #include <dns/rcode.h>
      29                 :            : #include <dns/rrtype.h>
      30                 :            : #include <dns/rrclass.h>
      31                 :            : #include <dns/question.h>
      32                 :            : 
      33                 :            : #include <bench/benchmark_util.h>
      34                 :            : 
      35                 :            : using namespace std;
      36                 :            : using namespace isc;
      37                 :            : using namespace isc::dns;
      38                 :            : using namespace isc::util;
      39                 :            : 
      40                 :            : namespace isc {
      41                 :            : namespace bench {
      42                 :            : void
      43                 :          2 : loadQueryData(const char* const input_file, BenchQueries& queries,
      44                 :            :               const RRClass& qclass, const bool strict)
      45                 :            : {
      46                 :          4 :     ifstream ifs;
      47                 :            : 
      48         [ +  - ]:          2 :     ifs.open(input_file, ios_base::in);
      49         [ +  + ]:          2 :     if ((ifs.rdstate() & istream::failbit) != 0) {
      50 [ +  - ][ +  - ]:          3 :         isc_throw(BenchMarkError, "failed to load query data file: " +
         [ +  - ][ +  - ]
      51                 :            :                   string(input_file));
      52                 :            :     }
      53         [ +  - ]:          1 :     loadQueryData(ifs, queries, qclass, strict);
      54         [ +  - ]:          1 :     ifs.close();
      55                 :          1 : }
      56                 :            : 
      57                 :            : void
      58                 :          8 : loadQueryData(istream& input, BenchQueries& queries, const RRClass& qclass,
      59                 :            :               const bool strict)
      60                 :            : {
      61                 :          8 :     string line;
      62                 :          8 :     unsigned int linenum = 0;
      63 [ +  - ][ +  - ]:         16 :     Message query_message(Message::RENDER);
      64 [ +  - ][ +  - ]:         16 :     MessageRenderer renderer;
      65 [ +  - ][ +  + ]:         39 :     while (getline(input, line), !input.eof()) {
      66                 :         33 :         ++linenum;
      67 [ +  - ][ +  - ]:         33 :         if (input.bad() || input.fail()) {
                 [ -  + ]
      68 [ #  # ][ #  # ]:          0 :             isc_throw(BenchMarkError,
                 [ #  # ]
      69                 :            :                       "Unexpected line in query data file around line " <<
      70                 :            :                       linenum);
      71                 :            :         }
      72 [ +  + ][ +  + ]:         64 :         if (line.empty() || line[0] == '#') {
                 [ +  + ]
      73                 :          5 :             continue;           // skip comment and blank lines
      74                 :            :         }
      75                 :            : 
      76   [ +  -  +  -  :         61 :         istringstream iss(line);
                   +  - ]
      77                 :         28 :         string qname_string, qtype_string;
      78 [ +  - ][ +  - ]:         28 :         iss >> qname_string >> qtype_string;
      79 [ +  - ][ +  + ]:         28 :         if (iss.bad() || iss.fail()) {
                 [ +  + ]
      80         [ +  + ]:          2 :             if (strict) {
      81 [ +  - ][ +  - ]:          3 :                 isc_throw(BenchMarkError,
                 [ +  - ]
      82                 :            :                           "load query: unexpected input around line " <<
      83                 :            :                           linenum);
      84                 :            :             }
      85                 :          1 :             continue;
      86                 :            :         }
      87                 :            : 
      88                 :            :         // We expect broken lines of data, which will be ignored with a
      89                 :            :         // warning message.
      90                 :            :         try {
      91         [ +  - ]:         26 :             query_message.clear(Message::RENDER);
      92         [ +  - ]:         26 :             query_message.setQid(0);
      93         [ +  - ]:         26 :             query_message.setOpcode(Opcode::QUERY());
      94         [ +  - ]:         26 :             query_message.setRcode(Rcode::NOERROR());
      95                 :         24 :             query_message.addQuestion(Question(Name(qname_string), qclass,
      96 [ +  + ][ +  - ]:         50 :                                                RRType(qtype_string)));
                 [ +  - ]
      97                 :            : 
      98         [ +  - ]:         24 :             renderer.clear();
      99         [ +  - ]:         24 :             query_message.toWire(renderer);
     100                 :            :             vector<unsigned char> query_data(
     101                 :         48 :                 static_cast<const unsigned char*>(renderer.getData()),
     102                 :         24 :                 static_cast<const unsigned char*>(renderer.getData()) +
     103                 :         24 :                 renderer.getLength());
     104                 :            :             queries.push_back(query_data);
     105         [ -  + ]:          4 :         } catch (const Exception&) {
     106         [ +  + ]:          2 :             if (strict) {
     107 [ -  + ][ -  + ]:          3 :                 isc_throw(BenchMarkError,
                 [ -  + ]
     108                 :            :                           "failed to parse/create query around line " <<
     109                 :            :                           linenum);
     110                 :            :             }
     111                 :          1 :             continue;
     112                 :            :         }
     113                 :            :     }
     114                 :          6 : }
     115                 :            : }
     116                 :          1 : }

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