From 4057725f35abe00ea371f85c6e27dd25eafd9ddf Mon Sep 17 00:00:00 2001 From: Paolo Bonzini Date: Thu, 23 Aug 2012 11:53:04 +0200 Subject: hmp: add NBD server commands Signed-off-by: Paolo Bonzini --- hmp.c | 76 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 76 insertions(+) (limited to 'hmp.c') diff --git a/hmp.c b/hmp.c index 895a343dc3..180ba2bfd9 100644 --- a/hmp.c +++ b/hmp.c @@ -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); +} -- cgit v1.2.3