XRootD
XrdOucERoute.cc
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1 /******************************************************************************/
2 /* */
3 /* X r d O u c E R o u t e . h h */
4 /* */
5 /* (c) 2012 by the Board of Trustees of the Leland Stanford, Jr., University */
6 /* All Rights Reserved */
7 /* Produced by Andrew Hanushevsky for Stanford University under contract */
8 /* DE-AC02-76-SFO0515 with the Department of Energy */
9 /* */
10 /* This file is part of the XRootD software suite. */
11 /* */
12 /* XRootD is free software: you can redistribute it and/or modify it under */
13 /* the terms of the GNU Lesser General Public License as published by the */
14 /* Free Software Foundation, either version 3 of the License, or (at your */
15 /* option) any later version. */
16 /* */
17 /* XRootD is distributed in the hope that it will be useful, but WITHOUT */
18 /* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or */
19 /* FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public */
20 /* License for more details. */
21 /* */
22 /* You should have received a copy of the GNU Lesser General Public License */
23 /* along with XRootD in a file called COPYING.LESSER (LGPL license) and file */
24 /* COPYING (GPL license). If not, see <http://www.gnu.org/licenses/>. */
25 /* */
26 /* The copyright holder's institutional names and contributor's names may not */
27 /* be used to endorse or promote products derived from this software without */
28 /* specific prior written permission of the institution or contributor. */
29 /******************************************************************************/
30 
31 #include <cctype>
32 #include <cstdio>
33 #include <cstring>
34 
35 #include "XrdOuc/XrdOucERoute.hh"
36 #include "XrdOuc/XrdOucStream.hh"
37 #include "XrdSys/XrdSysError.hh"
38 #include "XrdSys/XrdSysPlatform.hh"
39 
40 /******************************************************************************/
41 /* F o r m a t */
42 /******************************************************************************/
43 
44 int XrdOucERoute::Format(char *buff, int blen, int ecode, const char *etxt1,
45  const char *etxt2)
46 {
47  const char *esep = " ", *estr = XrdSysError::ec2text(ecode);
48  char ebuff[256];
49  int n;
50 
51 // Substitute something of no ecode translation exists
52 //
53  if (!estr) estr = "reason unknown";
54  else if (isupper(static_cast<int>(*estr)))
55  {strlcpy(ebuff, estr, sizeof(ebuff));
56  *ebuff = static_cast<char>(tolower(static_cast<int>(*estr)));
57  estr = ebuff;
58  }
59 
60 // Set format elements
61 //
62  if (!etxt2) etxt2 = esep = "";
63 
64 // Format the message
65 //
66  n = snprintf(buff, blen, "Unable to %s%s%s; %s",etxt1,esep,etxt2,estr);
67  return (n < blen ? n : blen-1);
68 }
69 
70 /******************************************************************************/
71 /* R o u t e */
72 /******************************************************************************/
73 
75  const char *esfx, int ecode,
76  const char *etxt1, const char *etxt2)
77 {
78  char ebuff[2048];
79  int elen;
80 
81 // Format the error message
82 //
83  elen = Format(ebuff, sizeof(ebuff), ecode, etxt1, etxt2);
84 
85 // Route appropriately
86 //
87  if (elog) elog->Emsg(esfx, ebuff);
88  if (estrm) estrm->Put(ebuff, elen);
89 
90 // Return the error number
91 //
92  if (ecode) return (ecode < 0 ? ecode : -ecode);
93  return -1;
94 }
size_t strlcpy(char *dst, const char *src, size_t sz)
static int Format(char *buff, int blen, int ecode, const char *etxt1, const char *etxt2=0)
Definition: XrdOucERoute.cc:44
static int Route(XrdSysError *elog, XrdOucStream *estrm, const char *esfx, int ecode, const char *etxt1, const char *etxt2=0)
Definition: XrdOucERoute.cc:74
int Put(const char *data, const int dlen)
int Emsg(const char *esfx, int ecode, const char *text1, const char *text2=0)
Definition: XrdSysError.cc:95
static const char * ec2text(int ecode)
Definition: XrdSysError.cc:79