src/fde.cc

   1
   2 /*
   3  * DEBUG: none          FDE
   4  * AUTHOR: Robert Collins
   5  *
   6  * SQUID Web Proxy Cache          http://www.squid-cache.org/
   7  * ----------------------------------------------------------
   8  *
   9  *  Squid is the result of efforts by numerous individuals from
  10  *  the Internet community; see the CONTRIBUTORS file for full
  11  *  details.   Many organizations have provided support for Squid's
  12  *  development; see the SPONSORS file for full details.  Squid is
  13  *  Copyrighted (C) 2001 by the Regents of the University of
  14  *  California; see the COPYRIGHT file for full details.  Squid
  15  *  incorporates software developed and/or copyrighted by other
  16  *  sources; see the CREDITS file for full details.
  17  *
  18  *  This program is free software; you can redistribute it and/or modify
  19  *  it under the terms of the GNU General Public License as published by
  20  *  the Free Software Foundation; either version 2 of the License, or
  21  *  (at your option) any later version.
  22  *
  23  *  This program is distributed in the hope that it will be useful,
  24  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  25  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  26  *  GNU General Public License for more details.
  27  *
  28  *  You should have received a copy of the GNU General Public License
  29  *  along with this program; if not, write to the Free Software
  30  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111, USA.
  31  *
  32  */
  33
  34 #include "squid.h"
  35 #include "comm.h"
  36 #include "fde.h"
  37 #include "globals.h"
  38 #include "SquidTime.h"
  39 #include "Store.h"
  40
  41 fde *fde::Table = NULL;
  42
  43 bool
  44 fde::readPending(int fdNumber)
  45 {
  46     if (type == FD_SOCKET)
  47         return comm_monitors_read(fdNumber);
  48
  49     return read_handler ? true : false ;
  50 }
  51
  52 void
  53 fde::dumpStats (StoreEntry &dumpEntry, int fdNumber)
  54 {
  55     if (!flags.open)
  56         return;
  57
  58 #if _SQUID_WINDOWS_
  59
  60     storeAppendPrintf(&dumpEntry, "%4d 0x%-8lX %-6.6s %4d %7" PRId64 "%c %7" PRId64 "%c %-21s %s\n",
  61                       fdNumber,
  62                       win32.handle,
  63 #else
  64     storeAppendPrintf(&dumpEntry, "%4d %-6.6s %4d %7" PRId64 "%c %7" PRId64 "%c %-21s %s\n",
  65                       fdNumber,
  66 #endif
  67                       fdTypeStr[type],
  68                       timeoutHandler != NULL ? (int) (timeout - squid_curtime) : 0,
  69                       bytes_read,
  70                       readPending(fdNumber) ? '*' : ' ',
  71                       bytes_written,
  72                       write_handler ? '*' : ' ',
  73                       remoteAddr(),
  74                       desc);
  75 }
  76
  77 void
  78 fde::DumpStats (StoreEntry *dumpEntry)
  79 {
  80     int i;
  81     storeAppendPrintf(dumpEntry, "Active file descriptors:\n");
  82 #if _SQUID_WINDOWS_
  83
  84     storeAppendPrintf(dumpEntry, "%-4s %-10s %-6s %-4s %-7s* %-7s* %-21s %s\n",
  85                       "File",
  86                       "Handle",
  87 #else
  88     storeAppendPrintf(dumpEntry, "%-4s %-6s %-4s %-7s* %-7s* %-21s %s\n",
  89                       "File",
  90 #endif
  91                       "Type",
  92                       "Tout",
  93                       "Nread",
  94                       "Nwrite",
  95                       "Remote Address",
  96                       "Description");
  97 #if _SQUID_WINDOWS_
  98     storeAppendPrintf(dumpEntry, "---- ---------- ------ ---- -------- -------- --------------------- ------------------------------\n");
  99 #else
 100     storeAppendPrintf(dumpEntry, "---- ------ ---- -------- -------- --------------------- ------------------------------\n");
 101 #endif
 102
 103     for (i = 0; i < Squid_MaxFD; ++i) {
 104         fd_table[i].dumpStats(*dumpEntry, i);
 105     }
 106 }
 107
 108 char const *
 109 fde::remoteAddr() const
 110 {
 111     LOCAL_ARRAY(char, buf, MAX_IPSTRLEN );
 112
 113     if (type != FD_SOCKET)
 114         return null_string;
 115
 116     if ( *ipaddr )
 117         snprintf( buf, MAX_IPSTRLEN, "%s:%d", ipaddr, (int)remote_port);
 118     else
 119         local_addr.toUrl(buf,MAX_IPSTRLEN); // toHostStr does not include port.
 120
 121     return buf;
 122 }
 123
 124 void
 125 fde::noteUse()
 126 {
 127     ++ pconn.uses;
 128 }