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vhostmd/SOURCES/0009-Remove-xenctrl-support.patch
CentOS Sources 6846dd3d32 import vhostmd-0.5-18.el8
2021-09-10 05:40:19 +00:00

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From 3dd984f7299d1364d6e7a902776e1fcfd83d6370 Mon Sep 17 00:00:00 2001
From: Jim Fehlig <jfehlig@suse.com>
Date: Wed, 6 Jun 2018 14:40:33 -0600
Subject: [PATCH 09/17] Remove xenctrl support
The xenctrl interface has changed over the years, causing
the associated code in vhostmd to no longer compile. Instead
of trying to get this low-level xen interface working again,
simply remove it from vhostmd. libvirt or custom "actions"
should be used to gather metrics.
Signed-off-by: Jim Fehlig <jfehlig@suse.com>
---
configure.ac | 21 +-----
include/util.h | 2 -
vhostmd/Makefile.am | 17 +----
vhostmd/metric.c | 5 --
vhostmd/vhostmd.c | 4 --
vhostmd/xenctrl-util.c | 148 -----------------------------------------
6 files changed, 4 insertions(+), 193 deletions(-)
delete mode 100644 vhostmd/xenctrl-util.c
diff --git a/configure.ac b/configure.ac
index b0a07c7..2e88bfd 100644
--- a/configure.ac
+++ b/configure.ac
@@ -51,26 +51,7 @@ AC_ARG_ENABLE([libxenstat],
esac],[AC_CHECK_HEADER(xenstat.h, libxenstat=true, libxenstat=false)])
AM_CONDITIONAL(LIBXENSTAT, test x$libxenstat = xtrue)
-# Configure argument to support using xenctrl library for vm enumeration
-AC_ARG_ENABLE([xenctrl],
-[ --enable-xenctrl use xenctrl specific vm enumeration instead of libvirt],
- [case "${enableval}" in
- yes) xenctrl=true
- CFLAGS="$CFLAGS -DXENCTRL"
- ;;
- no) xenctrl=false ;;
- *) AC_MSG_ERROR(bad value ${enableval} for --enable-xenctrl) ;;
- esac],[AC_CHECK_HEADER(xenctrl.h, xenctrl=true, xenctrl=false,)])
-AM_CONDITIONAL(XENCTRL, test x$xenctrl = xtrue)
-
-libvirt=false
-AM_CONDITIONAL(LIBVIRT, test x$libvirt = xtrue)
-# Default to libvirt for vm enumeration if no other enabled
-if test "x$xenctrl" = "xfalse"; then
- libvirt=true
- PKG_CHECK_MODULES([LIBVIRT], [libvirt])
- AM_CONDITIONAL(LIBVIRT, test x$libvirt = xtrue)
-fi
+PKG_CHECK_MODULES([LIBVIRT], [libvirt])
# Configure argument to support using xenstore
AC_ARG_WITH([xenstore],
diff --git a/include/util.h b/include/util.h
index 6045665..3a21e09 100644
--- a/include/util.h
+++ b/include/util.h
@@ -53,12 +53,10 @@ typedef struct _vu_vm
} vu_vm;
-#ifndef XENCTRL
/* The libvirt URI to connect to (-c argument on the command line). If
* not set, this will be NULL.
*/
extern const char *libvirt_uri;
-#endif
/*
* Init logging interface. If running as daemon messages
diff --git a/vhostmd/Makefile.am b/vhostmd/Makefile.am
index 3801882..659a0ce 100644
--- a/vhostmd/Makefile.am
+++ b/vhostmd/Makefile.am
@@ -3,26 +3,15 @@ INCLUDES = \
-I../include
sbin_PROGRAMS = vhostmd
-vhostmd_SOURCES = vhostmd.c util.c metric.c
-vhostmd_CFLAGS = $(LIBXML_CFLAGS)
-vhostmd_LDADD = -lm $(LIBXML_LIBS)
+vhostmd_SOURCES = vhostmd.c util.c metric.c virt-util.c
+vhostmd_CFLAGS = $(LIBXML_CFLAGS) $(LIBVIRT_CFLAGS)
+vhostmd_LDADD = -lm $(LIBXML_LIBS) $(LIBVIRT_LIBS)
if WITH_XENSTORE
vhostmd_SOURCES += xenstore-update.c
vhostmd_LDADD += -lxenstore
endif
-if XENCTRL
-vhostmd_SOURCES += xenctrl-util.c
-vhostmd_LDADD += -lxenctrl -lxenstore
-endif
-
-if LIBVIRT
-vhostmd_SOURCES += virt-util.c
-vhostmd_LDADD += $(LIBVIRT_LIBS)
-vhostmd_CFLAGS += $(LIBVIRT_CFLAGS)
-endif
-
if LIBXENSTAT
vhostmd_SOURCES += xen-metrics.c
vhostmd_LDADD += ../xenstat/libxenstat/src/libxenstat.a
diff --git a/vhostmd/metric.c b/vhostmd/metric.c
index 3fdf4f6..84b1678 100644
--- a/vhostmd/metric.c
+++ b/vhostmd/metric.c
@@ -71,10 +71,6 @@ static int metric_action_subst(metric *m, char **action)
return -1;
}
-#ifdef XENCTRL
- temp = replace (temp, "CONNECT", "");
- if (temp == NULL) return -1;
-#else /* LIBVIRT used instead */
if (libvirt_uri) {
temp = replace (temp, "CONNECT", "--connect '%s'", libvirt_uri);
if (temp == NULL) return -1;
@@ -82,7 +78,6 @@ static int metric_action_subst(metric *m, char **action)
temp = replace (temp, "CONNECT", "");
if (temp == NULL) return -1;
}
-#endif
if (m->ctx == METRIC_CONTEXT_VM) {
temp = replace (temp, "NAME", "%s", m->vm->name);
diff --git a/vhostmd/vhostmd.c b/vhostmd/vhostmd.c
index 90ba76d..e2e91f6 100644
--- a/vhostmd/vhostmd.c
+++ b/vhostmd/vhostmd.c
@@ -979,9 +979,7 @@ int main(int argc, char *argv[])
{ "config", required_argument, NULL, 'f'},
{ "pid-file", required_argument, NULL, 'p'},
{ "user", required_argument, NULL, 'u'},
-#ifndef XENCTRL
{ "connect", required_argument, NULL, 'c'},
-#endif
{ "help", no_argument, NULL, '?' },
{0, 0, 0, 0}
};
@@ -1014,11 +1012,9 @@ int main(int argc, char *argv[])
case 'u':
user = optarg;
break;
-#ifndef XENCTRL
case 'c':
libvirt_uri = optarg;
break;
-#endif
case '?':
usage(argv[0]);
return 2;
diff --git a/vhostmd/xenctrl-util.c b/vhostmd/xenctrl-util.c
deleted file mode 100644
index 7c78ca4..0000000
--- a/vhostmd/xenctrl-util.c
+++ /dev/null
@@ -1,148 +0,0 @@
-/*
- * Copyright (C) 2009 Novell, Inc.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
- * Author: Pat Campbell <plc@novell.com>
- *
- * Preliminary, this could be done better
- */
-
-#include <config.h>
-
-#include <stdio.h>
-#include <string.h>
-#include <xenctrl.h>
-#include <xs.h>
-
-#include "util.h"
-
-#define MAX_DOMS 1024
-static int xc_handle = -1;
-static xc_dominfo_t info[MAX_DOMS];
-
-int vu_num_vms(void)
-{
- uint32_t first_dom = 0;
- int max_doms = MAX_DOMS, nr_doms = 0;
-
- if (xc_handle == -1)
- xc_handle = xc_interface_open();
-
- if (xc_handle == -1)
- return -1;
-
- nr_doms = xc_domain_getinfo(xc_handle, first_dom, max_doms, info);
-
- return(nr_doms);
-}
-
-int vu_get_vms(int *ids, int max_ids)
-{
- uint32_t first_dom = 0;
- int max_doms = MAX_DOMS, nr_doms = 0, i;
-
- if (xc_handle == -1)
- xc_handle = xc_interface_open();
-
- if (xc_handle == -1)
- return -1;
-
- nr_doms = xc_domain_getinfo(xc_handle, first_dom, max_doms, info);
- if (nr_doms < 0) {
- goto out;
- }
-
- if (max_ids < nr_doms)
- nr_doms = max_ids;
- for (i = 0; i < nr_doms; i++)
- ids[i] = (int)info[i].domid;
-
-out:
- return nr_doms;
-}
-
-vu_vm *vu_get_vm(int id)
-{
- vu_vm *vm = NULL;
- char *path = NULL, *buf = NULL;
- char *name = NULL;
- char *uuid = NULL;
- struct xs_handle *xsh = NULL;
- unsigned len;
- char *cp;
-
- vm = calloc(1, sizeof(vu_vm));
- if (vm == NULL)
- return NULL;
-
- vm->id = id;
-
- xsh = xs_daemon_open();
- if (xsh == NULL)
- goto error;
-
- path = xs_get_domain_path(xsh, id);
- if (path == NULL) {
- goto error;
- }
-
- asprintf(&buf, "%s/vm", path);
- uuid = xs_read(xsh, XBT_NULL, buf, &len);
- if (uuid == NULL) {
- goto error;
- }
- cp = strrchr(uuid, '/');
- memmove(uuid, cp+1, strlen(cp));
- vm->uuid = strdup(uuid);
- free(buf);
-
- asprintf(&buf, "%s/name", path);
- name = xs_read(xsh, XBT_NULL, buf, &len);
- if (name)
- vm->name = strdup(name);
-
- goto out;
-
-error:
- if (vm) free(vm);
- vm = NULL;
-
-out:
- if (buf) free(buf);
- if (path) free(path);
- if (name) free(name);
- if (uuid) free(uuid);
- if (xsh) xs_daemon_close(xsh);
-
- return vm;
-}
-
-void vu_vm_free(vu_vm *vm)
-{
- if (vm) {
- free(vm->name);
- free(vm->uuid);
- free(vm);
- }
-}
-
-void vu_vm_connect_close()
-{
- if (xc_handle != -1)
- xc_interface_close(xc_handle);
- xc_handle = -1;
-}
-
--
2.19.0.rc0
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