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XrdCl::PollerFactory Class Reference

Helper for creating poller objects. More...

#include <XrdClPollerFactory.hh>

+ Collaboration diagram for XrdCl::PollerFactory:

Static Public Member Functions

static PollerCreatePoller (const std::string &preference)
 

Detailed Description

Helper for creating poller objects.

Definition at line 30 of file XrdClPollerFactory.hh.

Member Function Documentation

◆ CreatePoller()

Poller * XrdCl::PollerFactory::CreatePoller ( const std::string &  preference)
static

Create a poller object, try in order of preference, if none of the poller types is known then return 0

Parameters
preferencecomma separated list of poller types in order of preference
Returns
poller object or 0 if non of the poller types is known

Definition at line 44 of file XrdClPollerFactory.cc.

45 {
46 Log *log = DefaultEnv::GetLog();
47
48 //--------------------------------------------------------------------------
49 // Create a list of known pollers
50 //--------------------------------------------------------------------------
51 typedef std::map<std::string, Poller *(*)()> PollerMap;
52 PollerMap pollerMap;
53 pollerMap["built-in"] = createBuiltIn;
54
55 //--------------------------------------------------------------------------
56 // Print the list of available pollers
57 //--------------------------------------------------------------------------
58 PollerMap::iterator it;
59 std::string available;
60 for( it = pollerMap.begin(); it != pollerMap.end(); ++it )
61 {
62 available += it->first; available += ", ";
63 }
64 if( !available.empty() )
65 available.erase( available.length()-2, 2 );
66 log->Debug( PollerMsg, "Available pollers: %s", available.c_str() );
67
68 //--------------------------------------------------------------------------
69 // Try to create a poller
70 //--------------------------------------------------------------------------
71 if( preference.empty() )
72 {
73 log->Error( PollerMsg, "Poller preference list is empty" );
74 return 0;
75 }
76 log->Debug( PollerMsg, "Attempting to create a poller according to "
77 "preference: %s", preference.c_str() );
78
79 std::vector<std::string> prefs;
80 std::vector<std::string>::iterator itP;
81 Utils::splitString( prefs, preference, "," );
82 for( itP = prefs.begin(); itP != prefs.end(); ++itP )
83 {
84 it = pollerMap.find( *itP );
85 if( it == pollerMap.end() )
86 {
87 log->Debug( PollerMsg, "Unable to create poller: %s",
88 itP->c_str() );
89 continue;
90 }
91 log->Debug( PollerMsg, "Creating poller: %s", itP->c_str() );
92 return (*it->second)();
93 }
94
95 return 0;
96 }
static Log * GetLog()
Get default log.
static void splitString(Container &result, const std::string &input, const std::string &delimiter)
Split a string.
Definition XrdClUtils.hh:56
const uint64_t PollerMsg
XrdSysError Log
Definition XrdConfig.cc:112

References XrdCl::Log::Debug(), XrdCl::Log::Error(), XrdCl::DefaultEnv::GetLog(), XrdCl::PollerMsg, and XrdCl::Utils::splitString().

Referenced by XrdCl::PostMaster::Initialize().

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