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hmp: add NBD server commands

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Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Paolo Bonzini 2012-08-23 11:53:04 +02:00
parent 17b6be4a7f
commit 4057725f35
3 changed files with 124 additions and 0 deletions
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76
hmp.c
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@ -18,6 +18,7 @@
#include "qemu-option.h"
#include "qemu-timer.h"
#include "qmp-commands.h"
#include "qemu_socket.h"
#include "monitor.h"
#include "console.h"
@ -1259,3 +1260,78 @@ void hmp_screen_dump(Monitor *mon, const QDict *qdict)
qmp_screendump(filename, &err);
hmp_handle_error(mon, &err);
}
void hmp_nbd_server_start(Monitor *mon, const QDict *qdict)
{
const char *uri = qdict_get_str(qdict, "uri");
int writable = qdict_get_try_bool(qdict, "writable", 0);
int all = qdict_get_try_bool(qdict, "all", 0);
Error *local_err = NULL;
BlockInfoList *block_list, *info;
SocketAddress *addr;
if (writable && !all) {
error_setg(&local_err, "-w only valid together with -a");
goto exit;
}
/* First check if the address is valid and start the server. */
addr = socket_parse(uri, &local_err);
if (local_err != NULL) {
goto exit;
}
qmp_nbd_server_start(addr, &local_err);
qapi_free_SocketAddress(addr);
if (local_err != NULL) {
goto exit;
}
if (!all) {
return;
}
/* Then try adding all block devices. If one fails, close all and
* exit.
*/
block_list = qmp_query_block(NULL);
for (info = block_list; info; info = info->next) {
if (!info->value->has_inserted) {
continue;
}
qmp_nbd_server_add(info->value->device, true, writable, &local_err);
if (local_err != NULL) {
qmp_nbd_server_stop(NULL);
break;
}
}
qapi_free_BlockInfoList(block_list);
exit:
hmp_handle_error(mon, &local_err);
}
void hmp_nbd_server_add(Monitor *mon, const QDict *qdict)
{
const char *device = qdict_get_str(qdict, "device");
int writable = qdict_get_try_bool(qdict, "writable", 0);
Error *local_err = NULL;
qmp_nbd_server_add(device, true, writable, &local_err);
if (local_err != NULL) {
hmp_handle_error(mon, &local_err);
}
}
void hmp_nbd_server_stop(Monitor *mon, const QDict *qdict)
{
Error *errp = NULL;
qmp_nbd_server_stop(&errp);
hmp_handle_error(mon, &errp);
}