src/rx/rx_globals.c

   1 /*
   2  * Copyright 2000, International Business Machines Corporation and others.
   3  * All Rights Reserved.
   4  *
   5  * This software has been released under the terms of the IBM Public
   6  * License.  For details, see the LICENSE file in the top-level source
   7  * directory or online at http://www.openafs.org/dl/license10.html
   8  */
   9
  10 /* RX:  Globals for internal use, basically */
  11
  12 /* This controls the size of an fd_set; it must be defined early before
  13  * the system headers define that type and the macros that operate on it.
  14  * Its value should be as large as the maximum file descriptor limit we
  15  * are likely to run into on any platform.  Right now, that is 65536
  16  * which is the default hard fd limit on Solaris 9 */
  17 #if !defined(_WIN32) && !defined(KERNEL)
  18 #define FD_SETSIZE 65536
  19 #endif
  20
  21 #include <afsconfig.h>
  22 #include <afs/param.h>
  23
  24 /* Enable data initialization when the header file is included */
  25 #define GLOBALSINIT(stuff) = stuff
  26 #if defined(AFS_NT40_ENV) && defined(AFS_PTHREAD_ENV)
  27 #define EXT __declspec(dllexport)
  28 #define EXT2 __declspec(dllexport)
  29 #define POSTAMBLE
  30 #else
  31 #define EXT
  32 #define EXT2
  33 #ifdef AFS_PTHREAD_ENV
  34 #define POSTAMBLE =PTHREAD_MUTEX_INITIALIZER
  35 #else
  36 #define POSTAMBLE
  37 #endif
  38 #endif
  39
  40 #ifdef KERNEL
  41 # ifndef UKERNEL
  42 #  include "h/types.h"
  43 # else /* !UKERNEL */
  44 #  include      "afs/sysincludes.h"
  45 # endif /* UKERNEL */
  46 #else /* KERNEL */
  47 # include <roken.h>
  48 #endif /* KERNEL */
  49
  50 #include "rx.h"
  51 #include "rx_clock.h"
  52 #include "rx_packet.h"
  53 #include "rx_globals.h"
  54
  55 void rx_SetMaxReceiveWindow(int packets)
  56 {
  57     if (packets > rx_maxWindow)
  58         packets = rx_maxWindow;
  59
  60     rx_maxReceiveWindow = packets;
  61 }
  62
  63 int rx_GetMaxReceiveWindow(void)
  64 {
  65     return rx_maxReceiveWindow;
  66 }
  67
  68 void rx_SetMaxSendWindow(int packets)
  69 {
  70     if (packets > rx_maxWindow)
  71         packets = rx_maxWindow;
  72
  73     rx_maxSendWindow = packets;
  74 }
  75
  76 int rx_GetMaxSendWindow(void)
  77 {
  78     return rx_maxSendWindow;
  79 }
  80
  81 void rx_SetMinPeerTimeout(int timeo)
  82 {
  83     if (timeo >= 1 && timeo < 1000)
  84         rx_minPeerTimeout = timeo;
  85 }
  86
  87 int rx_GetMinPeerTimeout(void)
  88 {
  89     return rx_minPeerTimeout;
  90 }
  91
  92 #ifdef AFS_NT40_ENV
  93
  94 void rx_SetRxDeadTime(int seconds)
  95 {
  96     rx_connDeadTime = seconds;
  97 }
  98
  99 int rx_GetMinUdpBufSize(void)
 100 {
 101     return 64*1024;
 102 }
 103
 104 void rx_SetUdpBufSize(int x)
 105 {
 106     if (x > rx_GetMinUdpBufSize())
 107         rx_UdpBufSize = x;
 108 }
 109
 110 #endif /* AFS_NT40_ENV */