[Xen-changelog] [xen-unstable] xl: Add "xl rename" command, a clone of "xm rename".

[Xen patchbot-unstable <patchbot-unstable@xxxxxxxxxxxxxxxxxxx>]

# HG changeset patch
# User Keir Fraser <keir.fraser@xxxxxxxxxx>
# Date 1273221098 -3600
# Node ID bf60f0c6f28a5af6404fd7cde2abd1551355a054
# Parent  9a289224efeacf6c0dadf7a7a2591ebdc68e9415
xl: Add "xl rename" command, a clone of "xm rename".

Signed-off-by: Yang Hongyang <yanghy@xxxxxxxxxxxxxx>
---
 tools/libxl/xl_cmdimpl.c  |   45 +++++++++++++++++++++++++++++++++++++++++++++
 tools/libxl/xl_cmdimpl.h  |    1 +
 tools/libxl/xl_cmdtable.c |    1 +
 3 files changed, 47 insertions(+)

diff -r 9a289224efea -r bf60f0c6f28a tools/libxl/xl_cmdimpl.c
--- a/tools/libxl/xl_cmdimpl.c  Fri May 07 09:31:21 2010 +0100
+++ b/tools/libxl/xl_cmdimpl.c  Fri May 07 09:31:38 2010 +0100
@@ -1243,6 +1243,9 @@ void help(char *command)
     } else if (!strcmp(command, "domname")) {
         printf("Usage: xl domname <DomainId>\n\n");
         printf("Convert a domain id to domain name.\n");
+    } else if (!strcmp(command, "rename")) {
+        printf("Usage: xl rename <Domain> <NewDomainName>\n\n");
+        printf("Rename a domain.\n");
     }
 }
 
@@ -3040,3 +3043,45 @@ int main_domname(int argc, char **argv)
 
     exit(0);
 }
+
+int main_rename(int argc, char **argv)
+{
+    int opt;
+    char *dom;
+    char *new_name;
+    xs_transaction_t t;
+
+    while ((opt = getopt(argc, argv, "h")) != -1) {
+        switch (opt) {
+        case 'h':
+            help("rename");
+            exit(0);
+        default:
+            fprintf(stderr, "option `%c' not supported.\n", opt);
+            break;
+        }
+    }
+
+    dom = argv[optind++];
+    if (!dom || !argv[optind]) {
+        fprintf(stderr, "'xl rename' requires 2 arguments.\n\n");
+        help("rename");
+        exit(1);
+    }
+
+    find_domain(dom);
+    new_name = argv[optind];
+
+retry_transaction:
+    t = xs_transaction_start(ctx.xsh);
+    if (libxl_domain_rename(&ctx, domid, common_domname, new_name, t)) {
+        fprintf(stderr, "Can't rename domain '%s'.\n", dom);
+        exit(1);
+    }
+
+    if (!xs_transaction_end(ctx.xsh, t, 0))
+        if (errno == EAGAIN)
+            goto retry_transaction;
+
+    exit(0);
+}
diff -r 9a289224efea -r bf60f0c6f28a tools/libxl/xl_cmdimpl.h
--- a/tools/libxl/xl_cmdimpl.h  Fri May 07 09:31:21 2010 +0100
+++ b/tools/libxl/xl_cmdimpl.h  Fri May 07 09:31:38 2010 +0100
@@ -37,5 +37,6 @@ int main_sched_credit(int argc, char **a
 int main_sched_credit(int argc, char **argv);
 int main_domid(int argc, char **argv);
 int main_domname(int argc, char **argv);
+int main_rename(int argc, char **argv);
 
 void help(char *command);
diff -r 9a289224efea -r bf60f0c6f28a tools/libxl/xl_cmdtable.c
--- a/tools/libxl/xl_cmdtable.c Fri May 07 09:31:21 2010 +0100
+++ b/tools/libxl/xl_cmdtable.c Fri May 07 09:31:38 2010 +0100
@@ -38,6 +38,7 @@ struct cmd_spec cmd_table[] = {
     { "sched-credit", &main_sched_credit, "get/set credit scheduler 
parameters" },
     { "domid", &main_domid, "convert a domain name to domain id"},
     { "domname", &main_domname, "convert a domain id to domain name"},
+    { "rename", &main_rename, "rename a domain"},
 };
 
 int cmdtable_len = sizeof(cmd_table)/sizeof(struct cmd_spec);

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