Jack2  1.9.9
JackTools.h
1 /*
2  Copyright (C) 2006-2008 Grame
3 
4  This program is free software; you can redistribute it and/or modify
5  it under the terms of the GNU Lesser General Public License as published by
6  the Free Software Foundation; either version 2.1 of the License, or
7  (at your option) any later version.
8 
9  This program is distributed in the hope that it will be useful,
10  but WITHOUT ANY WARRANTY; without even the implied warranty of
11  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12  GNU Lesser General Public License for more details.
13 
14  You should have received a copy of the GNU Lesser General Public License
15  along with this program; if not, write to the Free Software
16  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
17 
18 */
19 
20 #ifndef __JackTools__
21 #define __JackTools__
22 
23 #ifdef WIN32
24 #include <windows.h>
25 #define DIR_SEPARATOR '\\'
26 #else
27 #define DIR_SEPARATOR '/'
28 #include <sys/stat.h>
29 #include <sys/types.h>
30 #include <unistd.h>
31 #include <dirent.h>
32 #endif
33 
34 #ifdef __APPLE__
35 #include <sys/syslimits.h>
36 #endif
37 
38 #include "jslist.h"
39 #include "JackCompilerDeps.h"
40 #include "JackError.h"
41 
42 #include <string>
43 #include <algorithm>
44 #include <vector>
45 #include <iostream>
46 #include <fstream>
47 
48 namespace Jack
49 {
50 
55  struct SERVER_EXPORT JackTools
56  {
57  static int GetPID();
58  static int GetUID();
59 
60  static void KillServer();
61 
62  static int MkDir(const char* path);
63  static char* UserDir();
64  static char* ServerDir(const char* server_name, char* server_dir);
65  static const char* DefaultServerName();
66  static void CleanupFiles(const char* server_name);
67  static int GetTmpdir();
68  static void RewriteName(const char* name, char* new_name);
69  static void ThrowJackNetException();
70 
71  // For OSX only
72  static int ComputationMicroSec(int buffer_size)
73  {
74  if (buffer_size < 128) {
75  return 500;
76  } else if (buffer_size < 256) {
77  return 300;
78  } else {
79  return 100;
80  }
81  }
82  };
83 
101  template <class T> class JackGnuPlotMonitor
102  {
103  private:
104  uint32_t fMeasureCnt;
105  uint32_t fMeasurePoints;
106  uint32_t fMeasureId;
107  T* fCurrentMeasure;
108  T** fMeasureTable;
109  uint32_t fTablePos;
110  std::string fName;
111 
112  public:
113  JackGnuPlotMonitor(uint32_t measure_cnt, uint32_t measure_points, std::string name)
114  {
115  jack_log ( "JackGnuPlotMonitor::JackGnuPlotMonitor %u measure points - %u measures", measure_points, measure_cnt );
116 
117  fMeasureCnt = measure_cnt;
118  fMeasurePoints = measure_points;
119  fTablePos = 0;
120  fName = name;
121  fCurrentMeasure = new T[fMeasurePoints];
122  fMeasureTable = new T*[fMeasureCnt];
123  for ( uint32_t cnt = 0; cnt < fMeasureCnt; cnt++ )
124  {
125  fMeasureTable[cnt] = new T[fMeasurePoints];
126  std::fill_n ( fMeasureTable[cnt], fMeasurePoints, 0 );
127  }
128  }
129 
131  {
132  jack_log ( "JackGnuPlotMonitor::~JackGnuPlotMonitor" );
133 
134  for ( uint32_t cnt = 0; cnt < fMeasureCnt; cnt++ )
135  delete[] fMeasureTable[cnt];
136  delete[] fMeasureTable;
137  delete[] fCurrentMeasure;
138  }
139 
140  T AddNew(T measure_point)
141  {
142  fMeasureId = 0;
143  return fCurrentMeasure[fMeasureId++] = measure_point;
144  }
145 
146  uint32_t New()
147  {
148  return fMeasureId = 0;
149  }
150 
151  T Add(T measure_point)
152  {
153  return fCurrentMeasure[fMeasureId++] = measure_point;
154  }
155 
156  uint32_t AddLast(T measure_point)
157  {
158  fCurrentMeasure[fMeasureId] = measure_point;
159  fMeasureId = 0;
160  return Write();
161  }
162 
163  uint32_t Write()
164  {
165  for ( uint32_t point = 0; point < fMeasurePoints; point++ )
166  fMeasureTable[fTablePos][point] = fCurrentMeasure[point];
167  if ( ++fTablePos == fMeasureCnt )
168  fTablePos = 0;
169  return fTablePos;
170  }
171 
172  int Save(std::string name = std::string ( "" ))
173  {
174  std::string filename = ( name.empty() ) ? fName : name;
175  filename += ".log";
176 
177  jack_log ( "JackGnuPlotMonitor::Save filename %s", filename.c_str() );
178 
179  std::ofstream file ( filename.c_str() );
180 
181  for ( uint32_t cnt = 0; cnt < fMeasureCnt; cnt++ )
182  {
183  for ( uint32_t point = 0; point < fMeasurePoints; point++ )
184  file << fMeasureTable[cnt][point] << " \t";
185  file << std::endl;
186  }
187 
188  file.close();
189  return 0;
190  }
191 
192  int SetPlotFile(std::string* options_list, uint32_t options_number,
193  std::string* field_names, uint32_t field_number,
194  std::string name = std::string ( "" ))
195  {
196  std::string title = ( name.empty() ) ? fName : name;
197  std::string plot_filename = title + ".plt";
198  std::string data_filename = title + ".log";
199 
200  std::ofstream file ( plot_filename.c_str() );
201 
202  file << "set multiplot" << std::endl;
203  file << "set grid" << std::endl;
204  file << "set title \"" << title << "\"" << std::endl;
205 
206  for ( uint32_t i = 0; i < options_number; i++ )
207  file << options_list[i] << std::endl;
208 
209  file << "plot ";
210  for ( uint32_t row = 1; row <= field_number; row++ )
211  {
212  file << "\"" << data_filename << "\" using " << row << " title \"" << field_names[row-1] << "\" with lines";
213  file << ( ( row < field_number ) ? ", " : "\n" );
214  }
215 
216  jack_log ( "JackGnuPlotMonitor::SetPlotFile - Save GnuPlot file to '%s'", plot_filename.c_str() );
217 
218  file.close();
219  return 0;
220  }
221 
222  };
223 
224  void BuildClientPath(char* path_to_so, int path_len, const char* so_name);
225  void PrintLoadError(const char* so_name);
226 
227 }
228 
229 #endif
Utility functions.
Definition: JackTools.h:55
Generic monitoring class. Saves data to GnuPlot files (&#39;.plt&#39; and &#39;.log&#39; datafile) ...
Definition: JackTools.h:101
SERVER_EXPORT void jack_log(const char *fmt,...)
Definition: JackError.cpp:107