Add the query-dump API's in order to allow the dump-guest-memory to be used to monitor progress. Signed-off-by: John Ferlan <jferlan@xxxxxxxxxx> --- src/qemu/qemu_monitor.c | 14 +++++++++ src/qemu/qemu_monitor.h | 11 +++++++ src/qemu/qemu_monitor_json.c | 69 ++++++++++++++++++++++++++++++++++++++++++++ src/qemu/qemu_monitor_json.h | 4 +++ 4 files changed, 98 insertions(+) diff --git a/src/qemu/qemu_monitor.c b/src/qemu/qemu_monitor.c index ae64edd957..41a04dd007 100644 --- a/src/qemu/qemu_monitor.c +++ b/src/qemu/qemu_monitor.c @@ -2760,6 +2760,20 @@ qemuMonitorMigrateCancel(qemuMonitorPtr mon) } +int +qemuMonitorQueryDump(qemuMonitorPtr mon, + qemuMonitorDumpStatsPtr stats) +{ + QEMU_CHECK_MONITOR(mon); + + /* No capability is supported without JSON monitor */ + if (!mon->json) + return 0; + + return qemuMonitorJSONQueryDump(mon, stats); +} + + /** * Returns 1 if @capability is supported, 0 if it's not, or -1 on error. */ diff --git a/src/qemu/qemu_monitor.h b/src/qemu/qemu_monitor.h index ab4c67ef3e..b4322e360b 100644 --- a/src/qemu/qemu_monitor.h +++ b/src/qemu/qemu_monitor.h @@ -775,6 +775,17 @@ int qemuMonitorMigrateCancel(qemuMonitorPtr mon); int qemuMonitorGetDumpGuestMemoryCapability(qemuMonitorPtr mon, const char *capability); +typedef struct _qemuMonitorDumpStats qemuMonitorDumpStats; +typedef qemuMonitorDumpStats *qemuMonitorDumpStatsPtr; +struct _qemuMonitorDumpStats { + int status; /* qemuMonitorDumpStatus */ + unsigned long long completed; /* bytes written */ + unsigned long long total; /* total bytes to be written */ +}; + +int qemuMonitorQueryDump(qemuMonitorPtr mon, + qemuMonitorDumpStatsPtr stats); + int qemuMonitorDumpToFd(qemuMonitorPtr mon, int fd, const char *dumpformat); diff --git a/src/qemu/qemu_monitor_json.c b/src/qemu/qemu_monitor_json.c index 7e3cdce9cc..f29588c4db 100644 --- a/src/qemu/qemu_monitor_json.c +++ b/src/qemu/qemu_monitor_json.c @@ -3131,6 +3131,75 @@ int qemuMonitorJSONMigrateCancel(qemuMonitorPtr mon) return ret; } + +/* qemuMonitorJSONQueryDump: + * @mon: Monitor pointer + * @stats: Dump "stats" + * + * Attempt to make a "query-dump" call, check for errors, and get/return + * the current from the reply + * + * Returns: 0 on success, -1 on failure + */ +int +qemuMonitorJSONQueryDump(qemuMonitorPtr mon, + qemuMonitorDumpStatsPtr stats) +{ + int ret = -1; + virJSONValuePtr cmd = qemuMonitorJSONMakeCommand("query-dump", NULL); + virJSONValuePtr reply = NULL; + virJSONValuePtr result = NULL; + const char *statusstr; + + if (!cmd) + return -1; + + if (qemuMonitorJSONCommand(mon, cmd, &reply) < 0) + goto cleanup; + + if (qemuMonitorJSONCheckError(cmd, reply) < 0) + goto cleanup; + + if (!(result = virJSONValueObjectGetObject(reply, "return"))) + goto cleanup; + + if (!(statusstr = virJSONValueObjectGetString(result, "status"))) { + virReportError(VIR_ERR_INTERNAL_ERROR, "%s", + _("incomplete result, failed to get status")); + goto cleanup; + } + + stats->status = qemuMonitorDumpStatusTypeFromString(statusstr); + if (stats->status < 0) { + virReportError(VIR_ERR_INTERNAL_ERROR, + _("incomplete result, unknown status string '%s'"), + statusstr); + goto cleanup; + } + + if (virJSONValueObjectGetNumberUlong(result, "completed", + &stats->completed) < 0) { + virReportError(VIR_ERR_INTERNAL_ERROR, "%s", + _("incomplete result, failed to get completed")); + goto cleanup; + } + + if (virJSONValueObjectGetNumberUlong(result, "total", &stats->total) < 0) { + virReportError(VIR_ERR_INTERNAL_ERROR, "%s", + _("incomplete result, failed to get total")); + goto cleanup; + } + + ret = 0; + + cleanup: + virJSONValueFree(cmd); + virJSONValueFree(reply); + virJSONValueFree(result); + return ret; +} + + int qemuMonitorJSONGetDumpGuestMemoryCapability(qemuMonitorPtr mon, const char *capability) diff --git a/src/qemu/qemu_monitor_json.h b/src/qemu/qemu_monitor_json.h index 739a99293c..090e3a1441 100644 --- a/src/qemu/qemu_monitor_json.h +++ b/src/qemu/qemu_monitor_json.h @@ -162,6 +162,10 @@ int qemuMonitorJSONGetSpiceMigrationStatus(qemuMonitorPtr mon, int qemuMonitorJSONMigrateCancel(qemuMonitorPtr mon); +int +qemuMonitorJSONQueryDump(qemuMonitorPtr mon, + qemuMonitorDumpStatsPtr stats); + int qemuMonitorJSONGetDumpGuestMemoryCapability(qemuMonitorPtr mon, const char *capability); -- 2.13.6 -- libvir-list mailing list libvir-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/libvir-list