tools/brimtrans.cc

   1 ///
   2 /// \file       brimtrans.cc
   3 ///             Translates log files generated by RIM's USB driver
   4 ///             into something more or less readable.
   5 ///
   6
   7 /*
   8     Copyright (C) 2005-2011, Net Direct Inc. (http://www.netdirect.ca/)
   9     Copyright (C) 2009, Josh Kropf
  10
  11     This program is free software; you can redistribute it and/or modify
  12     it under the terms of the GNU General Public License as published by
  13     the Free Software Foundation; either version 2 of the License, or
  14     (at your option) any later version.
  15
  16     This program is distributed in the hope that it will be useful,
  17     but WITHOUT ANY WARRANTY; without even the implied warranty of
  18     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  19
  20     See the GNU General Public License in the COPYING file at the
  21     root directory of this project for more details.
  22 */
  23
  24 #include <iostream>
  25 #include <iomanip>
  26 #include <sstream>
  27 #include <string>
  28 #include <vector>
  29 #include <list>
  30 #include <cctype>
  31 #include <stdint.h>
  32 #include "i18n.h"
  33
  34 using namespace std;
  35
  36 string trim_right(const string& source , const string& t = " ");
  37 string trim_data_line(const string& line);
  38 void dump(const list<string>& event);
  39 void parse_hex(const string& source, vector<uint16_t>& data);
  40 void print_hex(const vector<uint16_t>& data);
  41
  42 int main(int argc, char* argv[])
  43 {
  44         list<string>* event = NULL;
  45         string line;
  46
  47         INIT_I18N(PACKAGE);
  48
  49         while( !getline(cin, line).eof() ) {
  50                 size_t pos = line.find_first_of(':');
  51
  52                 // skip lines missing colon
  53                 if( pos == string::npos )
  54                         continue;
  55
  56                 line = trim_right(line.substr(pos + 2), "\n\r ");
  57
  58                 // each sequence of write/read packets begins with this line
  59                 if( line == "BbUsbDevice: WriteToDevice" ) {
  60                         if( event != NULL ) {
  61                                 dump(*event);
  62                                 delete event;
  63                         }
  64
  65                         event = new list<string>;
  66                 }
  67                 else if( line.substr(0, 3) == "<-:" ) { // send to device
  68                         event->push_front(trim_data_line(line.erase(0, 3)));
  69                 }
  70                 else if( line.substr(0, 3) == "->:" ) { // receive from device
  71                         event->push_back(trim_data_line(line.erase(0, 3)));
  72                 }
  73         }
  74
  75         if( event != NULL ) {
  76                 dump(*event);
  77                 delete event;
  78         }
  79
  80         return 0;
  81 }
  82
  83 string trim_right(const string& source , const string& t)
  84 {
  85         string str = source;
  86         return str.erase(str.find_last_not_of(t) + 1);
  87 }
  88
  89 string trim_data_line(const string& line)
  90 {
  91         size_t pos = line.find_first_of(':');
  92         return line.substr(pos + 2);
  93 }
  94
  95 void dump(const list<string>& event)
  96 {
  97         vector<uint16_t> data;
  98         list<string>::const_iterator i, begin = event.begin(), end = event.end();
  99         for( i=begin; i != end; ++i ) {
 100                 data.clear();
 101                 parse_hex(*i, data);
 102                 cout << (i == begin? "Send" : "Receive") << endl;
 103                 print_hex(data);
 104         }
 105         cout << endl;
 106 }
 107
 108 void parse_hex(const string& source, vector<uint16_t>& data)
 109 {
 110         istringstream ss(source);
 111         uint16_t byte;
 112
 113         while( !ss.eof() ) {
 114                 ss >> hex >> byte;
 115                 data.push_back(byte);
 116         }
 117 }
 118
 119 void print_hex(const vector<uint16_t>& data)
 120 {
 121         int remaining = data.size(), offset = 0;
 122         do {
 123                 cout << "    " << hex << setfill('0') << setw(8) << offset;
 124                 int margin = 13;
 125
 126                 for( int i=0, stop=min(16, remaining); i<stop; i++ ) {
 127                         cout << ' ' << hex << setfill('0') << setw(2) << data[offset + i];
 128                         margin += 3;
 129                 }
 130
 131                 cout << string(62-margin, ' ');
 132
 133                 for( int i=0, stop=min(16, remaining); i<stop; i++) {
 134                         char c = data[offset + i];
 135                         cout << (isprint(c)? c : '.');
 136                 }
 137
 138                 offset += 16;
 139                 remaining -= 16;
 140
 141                 cout << endl;
 142         } while( remaining > 0 );
 143 }