[libvirt] [PATCH 2/3 V3] send-key: Expose the new API in virsh
Also support string names for the linux keycode(auto detect).
Signed-off-by: Lai Jiangshan <laijs(a)cn.fujitsu.com>
---
tools/virsh.c | 93 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
tools/virsh.pod | 4 ++
2 files changed, 97 insertions(+), 0 deletions(-)
diff --git a/tools/virsh.c b/tools/virsh.c
index a1e2f83..d7fb8a6 100644
--- a/tools/virsh.c
+++ b/tools/virsh.c
@@ -3263,6 +3263,98 @@ cmdInjectNMI(vshControl *ctl, const vshCmd *cmd)
}
/*
+ * "send-key" command
+ */
+static const vshCmdInfo info_send_key[] = {
+ {"help", N_("Send keycodes to the guest")},
+ {"desc", N_("Send keycodes to the guest, the keycodes must be
integers\n"
+ " Examples:\n\n"
+ " virsh # send-key <domain> 37 18 21\n"
+ " virsh # send-key <domain> KEY_RIGHTCTRL
KEY_C\n"
+ " virsh # send-key <domain> --codeset xt 37 18
21\n"
+ " virsh # send-key <domain> --holdtime 1000 0x15 18
0xf\n"
+ )},
+ {NULL, NULL}
+};
+
+static const vshCmdOptDef opts_send_key[] = {
+ {"domain", VSH_OT_DATA, VSH_OFLAG_REQ, N_("domain name, id or
uuid")},
+ {"codeset", VSH_OT_STRING, VSH_OFLAG_REQ_OPT, N_("the codeset of
keycodes, default:linux")},
+ {"holdtime", VSH_OT_INT, VSH_OFLAG_REQ_OPT,
+ N_("the time (in millsecond) how long the keys will be
held")},
+ {"keycode", VSH_OT_ARGV, VSH_OFLAG_REQ, N_("the key code")},
+ {NULL, 0, 0, NULL}
+};
+
+static int get_integer_keycode(const char *key_name)
+{
+ long val;
+ char *endptr;
+
+ val = strtol(key_name, &endptr, 0);
+ if (*endptr != '\0' || val > 0xffff || val <= 0)
+ return -1;
+
+ return val;
+}
+
+static bool
+cmdSendKey(vshControl *ctl, const vshCmd *cmd)
+{
+ virDomainPtr dom;
+ int ret = false;
+ const char *codeset_option;
+ int codeset;
+ int holdtime;
+ int count = 0;
+ const vshCmdOpt *opt = NULL;
+ int keycode;
+ unsigned int keycodes[VIR_DOMAIN_SEND_KEY_MAX_KEYS];
+
+ if (!vshConnectionUsability(ctl, ctl->conn))
+ return false;
+
+ if (!(dom = vshCommandOptDomain(ctl, cmd, NULL)))
+ return false;
+
+ if (vshCommandOptString(cmd, "codeset", &codeset_option) <= 0)
+ codeset_option = "linux";
+
+ if (vshCommandOptInt(cmd, "holdtime", &holdtime) <= 0)
+ holdtime = 0;
+
+ codeset = virParseKeycodeSet(codeset_option);
+ if ((int)codeset < 0) {
+ vshError(ctl, _("unknown codeset: '%s'"), codeset_option);
+ goto cleanup;
+ }
+
+ while ((opt = vshCommandOptArgv(cmd, opt))) {
+ if (count == VIR_DOMAIN_SEND_KEY_MAX_KEYS) {
+ vshError(ctl, _("too many keycodes"));
+ goto cleanup;
+ }
+
+ if ((keycode = get_integer_keycode(opt->data)) <= 0) {
+ if ((keycode = virParseKeyName(codeset, opt->data)) <= 0) {
+ vshError(ctl, _("invalid keycode: '%s'"),
opt->data);
+ goto cleanup;
+ }
+ }
+
+ keycodes[count] = keycode;
+ count++;
+ }
+
+ if (!(virDomainSendKey(dom, codeset, holdtime, keycodes, count, 0) < 0))
+ ret = true;
+
+cleanup:
+ virDomainFree(dom);
+ return ret;
+}
+
+/*
* "setmemory" command
*/
static const vshCmdInfo info_setmem[] = {
@@ -11672,6 +11764,7 @@ static const vshCmdDef domManagementCmds[] = {
{"dumpxml", cmdDumpXML, opts_dumpxml, info_dumpxml, 0},
{"edit", cmdEdit, opts_edit, info_edit, 0},
{"inject-nmi", cmdInjectNMI, opts_inject_nmi, info_inject_nmi, 0},
+ {"send-key", cmdSendKey, opts_send_key, info_send_key},
{"managedsave", cmdManagedSave, opts_managedsave, info_managedsave, 0},
{"managedsave-remove", cmdManagedSaveRemove, opts_managedsaveremove,
info_managedsaveremove, 0},
diff --git a/tools/virsh.pod b/tools/virsh.pod
index 023ab42..50c4800 100644
--- a/tools/virsh.pod
+++ b/tools/virsh.pod
@@ -308,6 +308,10 @@ scheduling by the hypervisor.
Inject NMI to the guest
+=item B<send-key> I<domain-id> optional I<--codeset> B<codeset>
optional I<--holdtime> B<holdtime> B<keycode>...
+
+Send keys to the guest
+
=item B<shutdown>
The domain is in the process of shutting down, i.e. the guest operating system
--
1.7.4.4