mirror of https://gitee.com/openkylin/libvirt.git
virsh: Refactor block job waiting in cmdBlockCopy
Similarly to the refactor of cmdBlockCommit in a previous commit this does the same change for cmdBlockCopy.
This commit is contained in:
Peter Krempa
parent
7408403560
commit
faa1439123
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@ -2263,20 +2263,13 @@ cmdBlockCopy(vshControl *ctl, const vshCmd *cmd)
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bool blocking = vshCommandOptBool(cmd, "wait") || finish || pivot;
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bool async = vshCommandOptBool(cmd, "async");
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int timeout = 0;
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struct sigaction sig_action;
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struct sigaction old_sig_action;
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sigset_t sigmask, oldsigmask;
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struct timeval start;
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struct timeval curr;
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const char *path = NULL;
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bool quit = false;
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int abort_flags = 0;
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const char *xml = NULL;
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char *xmlstr = NULL;
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virTypedParameterPtr params = NULL;
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vshBlockJobWaitDataPtr bjWait = NULL;
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int nparams = 0;
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int status = -1;
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int cb_id = -1;
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if (vshCommandOptStringReq(ctl, cmd, "path", &path) < 0)
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return false;
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@ -2335,33 +2328,14 @@ cmdBlockCopy(vshControl *ctl, const vshCmd *cmd)
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}
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}
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if (blocking) {
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sigemptyset(&sigmask);
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sigaddset(&sigmask, SIGINT);
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intCaught = 0;
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sig_action.sa_sigaction = vshCatchInt;
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sig_action.sa_flags = SA_SIGINFO;
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sigemptyset(&sig_action.sa_mask);
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sigaction(SIGINT, &sig_action, &old_sig_action);
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GETTIMEOFDAY(&start);
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}
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virConnectDomainEventGenericCallback cb =
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VIR_DOMAIN_EVENT_CALLBACK(vshBlockJobStatusHandler);
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if ((cb_id = virConnectDomainEventRegisterAny(ctl->conn,
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dom,
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VIR_DOMAIN_EVENT_ID_BLOCK_JOB,
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cb,
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&status,
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NULL)) < 0)
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vshResetLibvirtError();
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if (!(dom = vshCommandOptDomain(ctl, cmd, NULL)))
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goto cleanup;
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if (blocking &&
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!(bjWait = vshBlockJobWaitInit(ctl, dom, path, _("Block Copy"), verbose,
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timeout, async)))
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goto cleanup;
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if (xml) {
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if (virFileReadAll(xml, VSH_MAX_XML_FILE, &xmlstr) < 0) {
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vshReportError(ctl);
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@ -2436,83 +2410,52 @@ cmdBlockCopy(vshControl *ctl, const vshCmd *cmd)
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goto cleanup;
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}
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while (blocking) {
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virDomainBlockJobInfo info;
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int result;
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pthread_sigmask(SIG_BLOCK, &sigmask, &oldsigmask);
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result = virDomainGetBlockJobInfo(dom, path, &info, 0);
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pthread_sigmask(SIG_SETMASK, &oldsigmask, NULL);
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if (result < 0) {
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vshError(ctl, _("failed to query job for disk %s"), path);
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/* Execution continues here only if --wait or friends were specified */
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switch (vshBlockJobWait(bjWait)) {
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case -1:
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goto cleanup;
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}
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if (result == 0) {
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vshError(ctl, _("Block Copy unexpectedly failed"));
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case VIR_DOMAIN_BLOCK_JOB_CANCELED:
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vshPrint(ctl, "\n%s", _("Copy aborted"));
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goto cleanup;
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}
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if (verbose)
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vshPrintJobProgress(_("Block Copy"), info.end - info.cur, info.end);
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if (info.cur == info.end)
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break;
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GETTIMEOFDAY(&curr);
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if (intCaught || (timeout &&
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(((int)(curr.tv_sec - start.tv_sec) * 1000 +
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(int)(curr.tv_usec - start.tv_usec) / 1000) >
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timeout))) {
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vshDebug(ctl, VSH_ERR_DEBUG,
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intCaught ? "interrupted" : "timeout");
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intCaught = 0;
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timeout = 0;
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status = VIR_DOMAIN_BLOCK_JOB_CANCELED;
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if (virDomainBlockJobAbort(dom, path, abort_flags) < 0) {
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vshError(ctl, _("failed to abort job for disk %s"), path);
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case VIR_DOMAIN_BLOCK_JOB_FAILED:
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vshPrint(ctl, "\n%s", _("Copy failed"));
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goto cleanup;
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}
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if (abort_flags & VIR_DOMAIN_BLOCK_JOB_ABORT_ASYNC)
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break;
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} else {
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usleep(500 * 1000);
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}
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case VIR_DOMAIN_BLOCK_JOB_READY:
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case VIR_DOMAIN_BLOCK_JOB_COMPLETED:
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break;
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}
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if (status == VIR_DOMAIN_BLOCK_JOB_CANCELED)
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quit = true;
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if (!quit && pivot) {
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if (pivot) {
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abort_flags |= VIR_DOMAIN_BLOCK_JOB_ABORT_PIVOT;
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if (virDomainBlockJobAbort(dom, path, abort_flags) < 0) {
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vshError(ctl, _("failed to pivot job for disk %s"), path);
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goto cleanup;
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}
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} else if (finish && !quit &&
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virDomainBlockJobAbort(dom, path, abort_flags) < 0) {
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vshPrint(ctl, "\n%s", _("Successfully pivoted"));
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} else if (finish) {
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if (virDomainBlockJobAbort(dom, path, abort_flags) < 0) {
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vshError(ctl, _("failed to finish job for disk %s"), path);
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goto cleanup;
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}
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if (quit)
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vshPrint(ctl, "\n%s", _("Copy aborted"));
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else if (pivot)
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vshPrint(ctl, "\n%s", _("Successfully pivoted"));
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else if (finish)
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vshPrint(ctl, "\n%s", _("Successfully copied"));
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else
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} else {
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vshPrint(ctl, "\n%s", _("Now in mirroring phase"));
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}
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ret = true;
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cleanup:
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VIR_FREE(xmlstr);
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virTypedParamsFree(params, nparams);
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if (dom)
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virDomainFree(dom);
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if (blocking)
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sigaction(SIGINT, &old_sig_action, NULL);
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if (cb_id >= 0)
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virConnectDomainEventDeregisterAny(ctl->conn, cb_id);
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vshBlockJobWaitFree(bjWait);
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return ret;
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}
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