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BlacklistDecision Class Reference
Inheritance diagram for BlacklistDecision:
Collaboration diagram for BlacklistDecision:

Public Member Functions

 BlacklistDecision (XrdSysError &log)
virtual bool ConfigDecision (const char *parms)
virtual bool Decide (const std::string &lfn, XrdOss &) const
 A decision library that allows all files to be cached except for a blacklist.
Public Member Functions inherited from XrdPfc::Decision
virtual ~Decision ()
 Destructor.

Detailed Description

Definition at line 27 of file XrdPfcBlacklistDecision.cc.

Constructor & Destructor Documentation

◆ BlacklistDecision()

BlacklistDecision::BlacklistDecision ( XrdSysError & log)
inline

Definition at line 49 of file XrdPfcBlacklistDecision.cc.

50 : m_log(log)
51{}

Member Function Documentation

◆ ConfigDecision()

virtual bool BlacklistDecision::ConfigDecision ( const char * params)
inlinevirtual

Parse configuration arguments.

Parameters
paramsconfiguration parameters
Returns
status of configuration

Reimplemented from XrdPfc::Decision.

Definition at line 53 of file XrdPfcBlacklistDecision.cc.

54{
55 if (! parms || ! parms[0] || (strlen(parms) == 0))
56 {
57 m_log.Emsg("ConfigDecision", "Blacklist file not specified.");
58 return false;
59 }
60 m_log.Emsg("ConfigDecision", "Using blacklist", parms);
61 FILE * fp = fopen(parms, "r");
62 if (fp == 0)
63 {
64 m_log.Emsg("ConfigDecision", errno, "Failed to open blacklist:", parms);
65 return false;
66 }
67
68 char line[4096];
69 while(fgets(line, sizeof(line), fp))
70 {
71 char *trimmed = line;
72 while (trimmed[0] && isspace(trimmed[0])) {trimmed++; }
73 if (trimmed[0] == 0) {continue; }
74 size_t filelen = strlen(trimmed);
75 if (trimmed[filelen-1] == '\n') {trimmed[filelen-1] = '\0'; }
76 m_blacklist.push_back(trimmed);
77 }
78 if (! feof(fp))
79 {
80 m_log.Emsg("ConfigDecision", errno, "Failed to parse blacklist");
81 }
82 fclose(fp);
83 for (std::vector<std::string>::const_iterator it = m_blacklist.begin(); it!=m_blacklist.end(); it++)
84 {
85 m_log.Emsg("ConfigDecision", "Cache is blacklisting paths matching", it->c_str());
86 }
87 return true;
88}
int fclose(FILE *stream)
#define fopen(a, b)
Definition XrdPosix.hh:54

References fclose(), and fopen.

Here is the call graph for this function:

◆ Decide()

virtual bool BlacklistDecision::Decide ( const std::string & lfn,
XrdOss &  ) const
inlinevirtual

A decision library that allows all files to be cached except for a blacklist.

Implements XrdPfc::Decision.

Definition at line 34 of file XrdPfcBlacklistDecision.cc.

35{
36 //m_log.Emsg("BlacklistDecide", "Deciding whether to cache file", url.c_str());
37 for (std::vector<std::string>::const_iterator it = m_blacklist.begin(); it != m_blacklist.end(); it++)
38 {
39 if (! fnmatch(it->c_str(), lfn.c_str(), FNM_PATHNAME))
40 {
41 //m_log.Emsg("BlacklistDecide", "Not caching file as it matches blacklist entry", it->c_str());
42 return false;
43 }
44 }
45 //m_log.Emsg("BlacklistDecide", "Caching file", fname);
46 return true;
47}

The documentation for this class was generated from the following file: