XRootD
XrdCmsFinder.hh
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1 #ifndef __CMS_FINDER__
2 #define __CMS_FINDER__
3 /******************************************************************************/
4 /* */
5 /* X r d C m s F i n d e r . h h */
6 /* */
7 /* (c) 2007 by the Board of Trustees of the Leland Stanford, Jr., University */
8 /* All Rights Reserved */
9 /* Produced by Andrew Hanushevsky for Stanford University under contract */
10 /* DE-AC02-76-SFO0515 with the Department of Energy */
11 /* */
12 /* This file is part of the XRootD software suite. */
13 /* */
14 /* XRootD is free software: you can redistribute it and/or modify it under */
15 /* the terms of the GNU Lesser General Public License as published by the */
16 /* Free Software Foundation, either version 3 of the License, or (at your */
17 /* option) any later version. */
18 /* */
19 /* XRootD is distributed in the hope that it will be useful, but WITHOUT */
20 /* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or */
21 /* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public */
22 /* License for more details. */
23 /* */
24 /* You should have received a copy of the GNU Lesser General Public License */
25 /* along with XRootD in a file called COPYING.LESSER (LGPL license) and file */
26 /* COPYING (GPL license). If not, see <http://www.gnu.org/licenses/>. */
27 /* */
28 /* The copyright holder's institutional names and contributor's names may not */
29 /* be used to endorse or promote products derived from this software without */
30 /* specific prior written permission of the institution or contributor. */
31 /******************************************************************************/
32 
33 #include "XrdCms/XrdCmsClient.hh"
34 #include "XrdCms/XrdCmsPerfMon.hh"
35 
36 #include "XrdSys/XrdSysPthread.hh"
37 
38 class XrdCmsClientMan;
39 class XrdOss;
40 class XrdOucEnv;
41 class XrdOucErrInfo;
42 class XrdOucTList;
43 struct XrdCmsData;
44 class XrdCmsRRData;
45 struct XrdSfsPrep;
46 class XrdSysLogger;
47 struct XrdVersionInfo;
48 
49 /******************************************************************************/
50 /* R e m o t e F i n d e r */
51 /******************************************************************************/
52 
54 {
55 public:
56  void Added(const char *path, int Pend=0) {}
57 
58  int Configure(const char *cfn, char *Args, XrdOucEnv *EnvInfo);
59 
60  int Forward(XrdOucErrInfo &Resp, const char *cmd,
61  const char *arg1=0, const char *arg2=0,
62  XrdOucEnv *Env1=0, XrdOucEnv *Env2=0);
63 
64  int Locate(XrdOucErrInfo &Resp, const char *path, int flags,
65  XrdOucEnv *Info=0);
66 
67 XrdOucTList *Managers() {return myManList;}
68 
69  int Prepare(XrdOucErrInfo &Resp, XrdSfsPrep &pargs,
70  XrdOucEnv *Info=0);
71 
72  void Removed(const char *path) {}
73 
74  void setSS(XrdOss *thess) {}
75 
76  int Space(XrdOucErrInfo &Resp, const char *path, XrdOucEnv *Info=0);
77 
78 static bool VCheck(XrdVersionInfo &urVersion);
79 
80  XrdCmsFinderRMT(XrdSysLogger *lp, int whoami=0, int Port=0);
82 
83 static const int MaxMan = 15;
84 
85 private:
86 int Decode(char **resp);
87 void Inform(XrdCmsClientMan *xman, struct iovec xmsg[], int xnum);
88 int LocLocal(XrdOucErrInfo &Resp, XrdOucEnv *Env);
89 XrdCmsClientMan *SelectManager(XrdOucErrInfo &Resp, const char *path);
90 void SelectManFail(XrdOucErrInfo &Resp);
91 int send2Man(XrdOucErrInfo &, const char *, struct iovec *, int);
92 int StartManagers(XrdOucTList *);
93 
94 XrdCmsClientMan *myManTable[MaxMan];
95 XrdCmsClientMan *myManagers;
96 XrdOucTList *myManList;
97 int myManCount;
98 XrdSysMutex myData;
99 char *CMSPath;
100 int ConWait;
101 int RepDelay;
102 int RepNone;
103 int RepWait;
104 int FwdWait;
105 int PrepWait;
106 int isMeta;
107 int isProxy;
108 int isTarget;
109 int myPort;
110 unsigned char SMode;
111 unsigned char sendID;
112 unsigned char savePath;
113 };
114 
115 /******************************************************************************/
116 /* T a r g e t F i n d e r */
117 /******************************************************************************/
118 
119 class XrdOucStream;
120 class XrdOucTList;
121 
123 {
124 public:
125  void Added(const char *path, int Pend=0);
126 
127  int Configure(const char *cfn, char *Args, XrdOucEnv *EnvInfo);
128 
129  int Locate(XrdOucErrInfo &Resp, const char *path, int flags,
130  XrdOucEnv *Info=0);
131 
132  int Prepare(XrdOucErrInfo &Resp, XrdSfsPrep &pargs,
133  XrdOucEnv *Info=0) {return 0;}
134 
135 XrdOucTList *Managers() {return myManList;}
136 
137  void PutInfo(XrdCmsPerfMon::PerfInfo &perfInfo, bool alert=false);
138 
139  void Removed(const char *path);
140 
141  void Resume (int Perm=1);
142  void Suspend(int Perm=1);
143 
144  int Resource(int n);
145  int Reserve (int n);
146  int Release (int n);
147 
148  int RunAdmin(char *Path, const char *vnid);
149 
150  void *RunPM();
151 
152  int Space(XrdOucErrInfo &Resp, const char *path, XrdOucEnv *envP=0)
153  {return 0;}
154 
155  void *Start();
156 
157  void Utilization(unsigned int util, bool alert=false);
158 
159 static bool VCheck(XrdVersionInfo &urVersion);
160 
161  XrdCmsFinderTRG(XrdSysLogger *, int, int, XrdOss *theSS=0);
163 
164 private:
165 
166 void Hookup();
167 int Process(XrdCmsRRData &Data);
168 
169 XrdOss *SS;
170 char *CMSPath;
171 char *Login;
172 XrdOucTList *myManList;
173 XrdOucStream *CMSp;
174 XrdSysMutex myData;
175 XrdSysMutex rrMutex;
176 int resMax;
177 int resCur;
178 int myPort;
179 int isRedir;
180 int isProxy;
181 int Active;
182 XrdCmsPerfMon *perfMon;
183 int perfInt;
184 };
185 #endif
@ Info
XrdOucString Path
< Prepare parameters
int Forward(XrdOucErrInfo &Resp, const char *cmd, const char *arg1=0, const char *arg2=0, XrdOucEnv *Env1=0, XrdOucEnv *Env2=0)
void setSS(XrdOss *thess)
Definition: XrdCmsFinder.hh:74
static const int MaxMan
Definition: XrdCmsFinder.hh:83
void Added(const char *path, int Pend=0)
Definition: XrdCmsFinder.hh:56
void Removed(const char *path)
Definition: XrdCmsFinder.hh:72
int Locate(XrdOucErrInfo &Resp, const char *path, int flags, XrdOucEnv *Info=0)
int Prepare(XrdOucErrInfo &Resp, XrdSfsPrep &pargs, XrdOucEnv *Info=0)
int Space(XrdOucErrInfo &Resp, const char *path, XrdOucEnv *Info=0)
int Configure(const char *cfn, char *Args, XrdOucEnv *EnvInfo)
XrdCmsFinderRMT(XrdSysLogger *lp, int whoami=0, int Port=0)
XrdOucTList * Managers()
Definition: XrdCmsFinder.hh:67
static bool VCheck(XrdVersionInfo &urVersion)
XrdCmsFinderTRG(XrdSysLogger *, int, int, XrdOss *theSS=0)
void Resume(int Perm=1)
int Release(int n)
int Locate(XrdOucErrInfo &Resp, const char *path, int flags, XrdOucEnv *Info=0)
void PutInfo(XrdCmsPerfMon::PerfInfo &perfInfo, bool alert=false)
void Utilization(unsigned int util, bool alert=false)
int Space(XrdOucErrInfo &Resp, const char *path, XrdOucEnv *envP=0)
int Prepare(XrdOucErrInfo &Resp, XrdSfsPrep &pargs, XrdOucEnv *Info=0)
void Removed(const char *path)
void Suspend(int Perm=1)
XrdOucTList * Managers()
int Reserve(int n)
int RunAdmin(char *Path, const char *vnid)
void Added(const char *path, int Pend=0)
int Resource(int n)
static bool VCheck(XrdVersionInfo &urVersion)
int Configure(const char *cfn, char *Args, XrdOucEnv *EnvInfo)
XrdOucEnv * envP
Definition: XrdPss.cc:109
Structure used for reporting performance metrics.