usr.bin/eject/am_glue.c

   1 /*      $NetBSD: $      */
   2
   3 /*-
   4  * Copyright (c) 1999 The NetBSD Foundation, Inc.
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or without
   8  * modification, are permitted provided that the following conditions
   9  * are met:
  10  * 1. Redistributions of source code must retain the above copyright
  11  *    notice, this list of conditions and the following disclaimer.
  12  * 2. Redistributions in binary form must reproduce the above copyright
  13  *    notice, this list of conditions and the following disclaimer in the
  14  *    documentation and/or other materials provided with the distribution.
  15  *
  16  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
  17  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  18  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  19  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
  20  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  21  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  22  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  23  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  24  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  25  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  26  * POSSIBILITY OF SUCH DAMAGE.
  27  */
  28
  29 #include <sys/cdefs.h>
  30 #ifndef lint
  31 __RCSID("$NetBSD: eject.c,v 1.22 2008/07/21 14:19:22 lukem Exp $");
  32 #endif /* not lint */
  33
  34 #ifdef HAVE_CONFIG_H
  35 # include <config.h>
  36 #endif /* HAVE_CONFIG_H */
  37 #include <am_defs.h>
  38 #include <amu.h>
  39
  40 #include "am_glue.h"
  41
  42 static CLIENT *clnt;
  43
  44 /*
  45  * Appease lint: Properly typecast some numbers defined in
  46  * src/extern/bsd/am-utils/dist/include/amq_defs.h.
  47  */
  48 #define xAMQ_PROGRAM            (rpcprog_t)AMQ_PROGRAM
  49 #define xAMQ_VERSION            (rpcvers_t)AMQ_VERSION
  50 #define xAMQPROC_SYNC_UMNT      (rpcproc_t)AMQPROC_SYNC_UMNT
  51
  52 void
  53 am_init(void)
  54 {
  55         static struct timeval tv = { 5, 0 };
  56         static const char *server = "localhost";
  57
  58         /*
  59          * Create RPC endpoint
  60          */
  61         /* try tcp first */
  62         clnt = clnt_create(server, xAMQ_PROGRAM, xAMQ_VERSION, "tcp");
  63         if (clnt != NULL)
  64                 return;
  65
  66         /* try udp next */
  67         clnt = clnt_create(server, xAMQ_PROGRAM, xAMQ_VERSION, "udp");
  68         if (clnt != NULL)       /* set udp timeout */
  69                 (void)clnt_control(clnt, CLSET_RETRY_TIMEOUT, (void *)&tv);
  70 }
  71
  72 int
  73 am_unmount(const char *dirname)
  74 {
  75         static struct timeval timeout = { ALLOWED_MOUNT_TIME, 0 };
  76         amq_sync_umnt result;
  77
  78         if (clnt == NULL)
  79                 return AMQ_UMNT_FAILED;
  80
  81         if (clnt_call(clnt, xAMQPROC_SYNC_UMNT, xdr_amq_string, &dirname,
  82             xdr_amq_sync_umnt, (void *)&result, timeout) != RPC_SUCCESS)
  83                 return AMQ_UMNT_SERVER;
  84
  85         return result.au_etype;
  86 }