xl: Add "xl rename" command, a clone of "xm rename".

Signed-off-by: Yang Hongyang <yanghy@cn.fujitsu.com>

diff --git a/tools/libxl/xl_cmdimpl.c b/tools/libxl/xl_cmdimpl.c
index c8212f4b400552f946fa2737b8f1b99fa6dd4d21..d3a86a1d9ae776dbf65ba549027e22b94db8b5f7 100644 (file)
--- a/tools/libxl/xl_cmdimpl.c
+++ b/tools/libxl/xl_cmdimpl.c
@@ -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 --git a/tools/libxl/xl_cmdimpl.h b/tools/libxl/xl_cmdimpl.h
index 46d3823f00f2f05bf30cb0784cdf6577bfd975aa..bf1b72fa8c0c8b7f94cbe34e901670b68082dcad 100644 (file)
--- a/tools/libxl/xl_cmdimpl.h
+++ b/tools/libxl/xl_cmdimpl.h
@@ -37,5 +37,6 @@ int main_memset(int argc, char **argv);
 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 --git a/tools/libxl/xl_cmdtable.c b/tools/libxl/xl_cmdtable.c
index b72c9cf4bc81489ecd13293ab0bc3cdbb1dd82dd..752e47aa26ee2e27e7db9b26ae2dd669acf839e5 100644 (file)
--- a/tools/libxl/xl_cmdtable.c
+++ b/tools/libxl/xl_cmdtable.c
@@ -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);