From: Keir Fraser Date: Fri, 7 May 2010 08:31:38 +0000 (+0100) Subject: xl: Add "xl rename" command, a clone of "xm rename". X-Git-Tag: archive/raspbian/4.8.0-1+rpi1~1^2~12222 X-Git-Url: https://dgit.raspbian.org/%22http:/www.example.com/cgi/%22https:/%22bookmarks://%22/%22http:/www.example.com/cgi/%22https:/%22bookmarks:/%22?a=commitdiff_plain;h=cd62ba5322c54c4b96cf5665cbe1557587ed2c85;p=xen.git xl: Add "xl rename" command, a clone of "xm rename". Signed-off-by: Yang Hongyang --- diff --git a/tools/libxl/xl_cmdimpl.c b/tools/libxl/xl_cmdimpl.c index c8212f4b40..d3a86a1d9a 100644 --- 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 \n\n"); printf("Convert a domain id to domain name.\n"); + } else if (!strcmp(command, "rename")) { + printf("Usage: xl rename \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 46d3823f00..bf1b72fa8c 100644 --- 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 b72c9cf4bc..752e47aa26 100644 --- 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);