[Date Prev][Date Next]   [Thread Prev][Thread Next]   [Thread Index] [Date Index] [Author Index]

Re: [libvirt] [PATCH v2 01/16] qemu: extract out qemuFetchConfigs from firmware



On Fri, Aug 23, 2019 at 12:21:45PM -0400, Cole Robinson wrote:
From: Marc-André Lureau <marcandre lureau redhat com>

The same config files disovery & priority rules are used for
vhost-user backends.

Signed-off-by: Marc-André Lureau <marcandre lureau redhat com>
Signed-off-by: Cole Robinson <crobinso redhat com>
---
src/qemu/Makefile.inc.am |   2 +
src/qemu/qemu_configs.c  | 183 +++++++++++++++++++++++++++++++++++++++
src/qemu/qemu_configs.h  |  28 ++++++
src/qemu/qemu_firmware.c | 144 +-----------------------------
4 files changed, 215 insertions(+), 142 deletions(-)
create mode 100644 src/qemu/qemu_configs.c
create mode 100644 src/qemu/qemu_configs.h

diff --git a/src/qemu/Makefile.inc.am b/src/qemu/Makefile.inc.am
index 30a9751cfd..f7a0fa4a84 100644
--- a/src/qemu/Makefile.inc.am
+++ b/src/qemu/Makefile.inc.am
@@ -30,6 +30,8 @@ QEMU_DRIVER_SOURCES = \
	qemu/qemu_hotplugpriv.h \
	qemu/qemu_conf.c \
	qemu/qemu_conf.h \
+	qemu/qemu_configs.c \
+	qemu/qemu_configs.h \
	qemu/qemu_process.c \
	qemu/qemu_process.h \
	qemu/qemu_processpriv.h \
diff --git a/src/qemu/qemu_configs.c b/src/qemu/qemu_configs.c
new file mode 100644
index 0000000000..39b8906be5
--- /dev/null
+++ b/src/qemu/qemu_configs.c
@@ -0,0 +1,183 @@
+/*
+ * qemu_configs.c: QEMU firmware/vhost-user etc configs
+ *
+ * Copyright (C) 2019 Red Hat, 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, see
+ * <http://www.gnu.org/licenses/>.
+ */
+
+#include <config.h>
+
+#include "qemu_configs.h"
+#include "configmake.h"
+#include "viralloc.h"
+#include "virenum.h"
+#include "virfile.h"
+#include "virhash.h"
+#include "virlog.h"
+#include "virstring.h"
+
+#define VIR_FROM_THIS VIR_FROM_QEMU
+
+VIR_LOG_INIT("qemu.qemu_configs");
+
+static int
+qemuBuildFileList(virHashTablePtr files, const char *dir)
+{
+    DIR *dirp;
+    struct dirent *ent = NULL;
+    int rc;
+    int ret = -1;
+
+    if ((rc = virDirOpenIfExists(&dirp, dir)) < 0)
+        return -1;
+
+    if (rc == 0)
+        return 0;
+
+    while ((rc = virDirRead(dirp, &ent, dir)) > 0) {
+        VIR_AUTOFREE(char *) filename = NULL;
+        VIR_AUTOFREE(char *) path = NULL;
+        struct stat sb;
+
+        if (STRPREFIX(ent->d_name, "."))
+            continue;
+
+        if (VIR_STRDUP(filename, ent->d_name) < 0)
+            goto cleanup;
+
+        if (virAsprintf(&path, "%s/%s", dir, filename) < 0)
+            goto cleanup;
+
+        if (stat(path, &sb) < 0) {
+            virReportSystemError(errno, _("Unable to access %s"), path);
+            goto cleanup;
+        }
+
+        if (!S_ISREG(sb.st_mode) && !S_ISLNK(sb.st_mode))
+            continue;
+
+        if (virHashUpdateEntry(files, filename, path) < 0)
+            goto cleanup;
+
+        path = NULL;
+    }
+
+    if (rc < 0)
+        goto cleanup;
+
+    ret = 0;
+ cleanup:
+    virDirClose(&dirp);
+    return ret;
+}
+
+static int
+qemuConfigFilesSorter(const virHashKeyValuePair *a,
+                        const virHashKeyValuePair *b)

Indentation is off.

+{
+    return strcmp(a->key, b->key);
+}
+
+#define QEMU_SYSTEM_LOCATION PREFIX "/share/qemu"
+#define QEMU_ETC_LOCATION SYSCONFDIR "/qemu"
+
+int
+qemuFetchConfigs(const char *name,
+                 char ***configs,
+                 bool privileged)
+{
+    VIR_AUTOPTR(virHashTable) files = NULL;
+    VIR_AUTOFREE(char *) homeConfig = NULL;
+    VIR_AUTOFREE(char *) xdgConfig = NULL;

+    VIR_AUTOFREE(char *) sysLocation = virFileBuildPath(QEMU_SYSTEM_LOCATION, name, NULL);
+    VIR_AUTOFREE(char *) etcLocation = virFileBuildPath(QEMU_ETC_LOCATION, name, NULL);

These variables were not part of the original function.

I'd expect a commit called 'extract out' to not have any functional
impact and any changes would be done later.

+    VIR_AUTOFREE(virHashKeyValuePairPtr) pairs = NULL;
+    virHashKeyValuePairPtr tmp = NULL;
+
+    *configs = NULL;
+

Jano

Attachment: signature.asc
Description: PGP signature


[Date Prev][Date Next]   [Thread Prev][Thread Next]   [Thread Index] [Date Index] [Author Index]