Monitor command to ping the RPC server.
Signed-off-by: Michael Roth <mdr...@linux.vnet.ibm.com>
---
hmp-commands.hx | 16 ++++++++++
qmp-commands.hx | 32 +++++++++++++++++++++
virtagent.c | 84 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
virtagent.h | 3 ++
4 files changed, 135 insertions(+), 0 deletions(-)
diff --git a/hmp-commands.hx b/hmp-commands.hx
index 3250e41..d3f642f 100644
--- a/hmp-commands.hx
+++ b/hmp-commands.hx
@@ -1260,6 +1260,22 @@ STEXI
Shutdown/reboot a guest locally
ETEXI
+ {
+ .name = "agent_ping",
+ .args_type = "",
+ .params = "",
+ .help = "Ping a guest",
+ .user_print = do_agent_ping_print,
+ .mhandler.cmd_async = do_agent_ping,
+ .flags = MONITOR_CMD_ASYNC,
+ },
+
+STEXI
+...@item agent_ping
+...@findex agent_ping
+Ping a guest
+ETEXI
+
STEXI
@end table
ETEXI
diff --git a/qmp-commands.hx b/qmp-commands.hx
index 0f983cc..1e798f5 100644
--- a/qmp-commands.hx
+++ b/qmp-commands.hx
@@ -838,6 +838,38 @@ Example:
EQMP
{
+ .name = "agent_ping",
+ .args_type = "",
+ .params = "",
+ .help = "Ping a guest",
+ .user_print = do_agent_ping_print,
+ .mhandler.cmd_async = do_agent_ping,
+ .flags = MONITOR_CMD_ASYNC,
+ },
+
+STEXI
+...@item agent_ping
+...@findex agent_ping
+Ping a guest
+ETEXI
+SQMP
+agent_ping
+--------
+
+Ping a guest
+
+Arguments:
+
+(none)
+
+Example:
+
+-> { "execute": "agent_ping" }
+<- { "return": { "response":"ok" } }
+
+EQMP
+
+ {
.name = "qmp_capabilities",
.args_type = "",
.params = "",
diff --git a/virtagent.c b/virtagent.c
index a56aeac..9071131 100644
--- a/virtagent.c
+++ b/virtagent.c
@@ -503,3 +503,87 @@ int do_agent_shutdown(Monitor *mon, const QDict
*mon_params,
return 0;
}
+
+void do_agent_ping_print(Monitor *mon, const QObject *data)
+{
+ QDict *qdict;
+ const char *response;
+
+ TRACE("called");
+
+ qdict = qobject_to_qdict(data);
+ response = qdict_get_str(qdict, "response");
+ if (qdict_haskey(qdict, "response")) {
+ monitor_printf(mon, "%s", response);
+ }
+
+ monitor_printf(mon, "\n");
+}
+
+static void do_agent_ping_cb(void *opaque)
+{
+ VARPCData *rpc_data = opaque;
+ xmlrpc_value *resp = NULL;
+ xmlrpc_env env;
+ QDict *qdict = qdict_new();
+
+ TRACE("called");
+
+ if (rpc_data->status != VA_RPC_STATUS_OK) {
+ LOG("error handling RPC request");
+ qdict_put(qdict, "response", qstring_from_str("error"));
+ goto out_no_resp;
+ }
+
+ xmlrpc_env_init(&env);
+ resp = xmlrpc_parse_response(&env, rpc_data->resp_xml,
+ rpc_data->resp_xml_len);
+ if (rpc_has_error(&env)) {
+ qdict_put(qdict, "response", qstring_from_str("error"));
+ goto out_no_resp;
+ }
+ qdict_put(qdict, "response", qstring_from_str("ok"));
+
+ xmlrpc_DECREF(resp);
+out_no_resp:
+ if (rpc_data->mon_cb) {
+ rpc_data->mon_cb(rpc_data->mon_data, QOBJECT(qdict));
+ }
+ qobject_decref(QOBJECT(qdict));
+}
+
+/*
+ * do_agent_ping(): Ping a guest
+ */
+int do_agent_ping(Monitor *mon, const QDict *mon_params,
+ MonitorCompletion cb, void *opaque)
+{
+ xmlrpc_env env;
+ xmlrpc_value *params;
+ VARPCData *rpc_data;
+ int ret;
+
+ xmlrpc_env_init(&env);
+
+ params = xmlrpc_build_value(&env, "(n)");
+ if (rpc_has_error(&env)) {
+ return -1;
+ }
+
+ rpc_data = qemu_mallocz(sizeof(VARPCData));
+ rpc_data->cb = do_agent_ping_cb;
+ rpc_data->mon_cb = cb;
+ rpc_data->mon_data = opaque;
+
+ ret = rpc_execute(&env, "va_ping", params, rpc_data);
+ if (ret == -EREMOTE) {
+ monitor_printf(mon, "RPC Failed (%i): %s\n", env.fault_code,
+ env.fault_string);
+ return -1;
+ } else if (ret == -1) {
+ monitor_printf(mon, "RPC communication error\n");
+ return -1;
+ }
+
+ return 0;
+}
diff --git a/virtagent.h b/virtagent.h
index 96c6260..071530c 100644
--- a/virtagent.h
+++ b/virtagent.h
@@ -31,5 +31,8 @@ int do_agent_viewdmesg(Monitor *mon, const QDict *mon_params,
MonitorCompletion cb, void *opaque);
int do_agent_shutdown(Monitor *mon, const QDict *mon_params,
MonitorCompletion cb, void *opaque);
+void do_agent_ping_print(Monitor *mon, const QObject *qobject);
+int do_agent_ping(Monitor *mon, const QDict *mon_params,
+ MonitorCompletion cb, void *opaque);
#endif /* VIRTAGENT_H */
--
1.7.0.4
