virsh: Refactor argument checking in cmdBlockCommit

Use the VSH_EXCLUSIVE_OPTIONS to exclude combinations of --pivot and
--keep-overlay and refactor the enforcing of the --wait option and other
flags that imply --wait.
This commit is contained in:
Peter Krempa 2015-07-13 16:23:59 +02:00
parent 5dceea2c95
commit bd687cf9b9

View File

@ -1802,7 +1802,8 @@ cmdBlockCommit(vshControl *ctl, const vshCmd *cmd)
bool pivot = vshCommandOptBool(cmd, "pivot");
bool finish = vshCommandOptBool(cmd, "keep-overlay");
bool active = vshCommandOptBool(cmd, "active") || pivot || finish;
bool blocking = vshCommandOptBool(cmd, "wait");
bool blocking = vshCommandOptBool(cmd, "wait") || pivot || finish;
bool async = vshCommandOptBool(cmd, "async");
int timeout = 0;
struct sigaction sig_action;
struct sigaction old_sig_action;
@ -1819,6 +1820,8 @@ cmdBlockCommit(vshControl *ctl, const vshCmd *cmd)
unsigned int flags = 0;
unsigned long bandwidth = 0;
VSH_EXCLUSIVE_OPTIONS("pivot", "keep-overlay");
if (vshCommandOptStringReq(ctl, cmd, "path", &path) < 0)
return false;
@ -1843,17 +1846,30 @@ cmdBlockCommit(vshControl *ctl, const vshCmd *cmd)
if (vshCommandOptBool(cmd, "keep-relative"))
flags |= VIR_DOMAIN_BLOCK_COMMIT_RELATIVE;
blocking |= vshCommandOptBool(cmd, "timeout") || pivot || finish;
if (blocking) {
if (pivot && finish) {
vshError(ctl, "%s", _("cannot mix --pivot and --keep-overlay"));
if (vshCommandOptTimeoutToMs(ctl, cmd, &timeout) < 0)
return false;
if (timeout)
blocking = true;
if (!blocking) {
if (verbose) {
vshError(ctl, "%s", _("--verbose requires at least one of --timeout, "
"--wait, --pivot, or --keep-overlay"));
return false;
}
if (vshCommandOptTimeoutToMs(ctl, cmd, &timeout) < 0)
return false;
if (vshCommandOptBool(cmd, "async"))
abort_flags |= VIR_DOMAIN_BLOCK_JOB_ABORT_ASYNC;
if (async) {
vshError(ctl, "%s", _("--async requires at least one of --timeout, "
"--wait, --pivot, or --keep-overlay"));
return false;
}
}
if (async)
abort_flags |= VIR_DOMAIN_BLOCK_JOB_ABORT_ASYNC;
if (blocking) {
sigemptyset(&sigmask);
sigaddset(&sigmask, SIGINT);
@ -1864,9 +1880,6 @@ cmdBlockCommit(vshControl *ctl, const vshCmd *cmd)
sigaction(SIGINT, &sig_action, &old_sig_action);
GETTIMEOFDAY(&start);
} else if (verbose || vshCommandOptBool(cmd, "async")) {
vshError(ctl, "%s", _("missing --wait option"));
return false;
}
if (!(dom = vshCommandOptDomain(ctl, cmd, NULL)))