1 kumpf 1.1 //%2006////////////////////////////////////////////////////////////////////////
 2           //
 3           // Copyright (c) 2000, 2001, 2002 BMC Software; Hewlett-Packard Development
 4           // Company, L.P.; IBM Corp.; The Open Group; Tivoli Systems.
 5           // Copyright (c) 2003 BMC Software; Hewlett-Packard Development Company, L.P.;
 6           // IBM Corp.; EMC Corporation, The Open Group.
 7           // Copyright (c) 2004 BMC Software; Hewlett-Packard Development Company, L.P.;
 8           // IBM Corp.; EMC Corporation; VERITAS Software Corporation; The Open Group.
 9           // Copyright (c) 2005 Hewlett-Packard Development Company, L.P.; IBM Corp.;
10           // EMC Corporation; VERITAS Software Corporation; The Open Group.
11           // Copyright (c) 2006 Hewlett-Packard Development Company, L.P.; IBM Corp.;
12           // EMC Corporation; Symantec Corporation; The Open Group.
13           //
14           // Permission is hereby granted, free of charge, to any person obtaining a copy
15           // of this software and associated documentation files (the "Software"), to
16           // deal in the Software without restriction, including without limitation the
17           // rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
18           // sell copies of the Software, and to permit persons to whom the Software is
19           // furnished to do so, subject to the following conditions:
20           // 
21           // THE ABOVE COPYRIGHT NOTICE AND THIS PERMISSION NOTICE SHALL BE INCLUDED IN
22 kumpf 1.1 // ALL COPIES OR SUBSTANTIAL PORTIONS OF THE SOFTWARE. THE SOFTWARE IS PROVIDED
23           // "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT
24           // LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
25           // PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
26           // HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
27           // ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
28           // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
29           //
30           //==============================================================================
31           //
32           //%/////////////////////////////////////////////////////////////////////////////
33           
34           #include <Pegasus/Common/System.h>
35           #include <Pegasus/Common/Logger.h>
36           #include <Pegasus/Common/FileSystem.h>
37           #include <Service/PidFile.h>
38           
39           PEGASUS_NAMESPACE_BEGIN
40           
41           PidFile::PidFile(const char* pidFilePath)
42               : _pidFilePath(pidFilePath)
43 kumpf 1.1 {
44           }
45           
46           PidFile::~PidFile()
47           {
48           }
49           
50           unsigned long PidFile::getPid()
51           {
52               FILE* pidFile;
53               unsigned long pid = 0;
54           
55               // open the PID file
56               pidFile = fopen(_pidFilePath, "r");
57               if (!pidFile)
58               {
59                   return 0;
60               }
61           
62               // get the pid from the file
63               fscanf(pidFile, "%lu\n", &pid);
64 kumpf 1.1 
65               fclose(pidFile);
66           
67               return pid;
68           }
69           
70           void PidFile::setPid(unsigned long pid)
71           {
72               // Remove the old file if it exists
73               remove();
74           
75               // Open the file
76               FILE *pidFile = fopen(_pidFilePath, "w");
77           
78               if (pidFile)
79               {
80                   // Save the pid in the file
81                   fprintf(pidFile, "%lu\n", (unsigned long)pid);
82                   fclose(pidFile);
83               }
84           }
85 kumpf 1.1 
86           void PidFile::remove()
87           {
88               System::removeFile(_pidFilePath);
89           }
90           
91           PEGASUS_NAMESPACE_END