[Qemu-devel] [RFC][PATCH v4 15/18] virtagent: add va_hello RPC function

[Michael Roth <mdroth@linux.vnet.ibm.com>]

This RPC tells us the guest agent is up and ready, and invokes guest
agent capability negotiation

Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
---
 virtagent-daemon.c |   19 +++++++++++++++++++
 1 files changed, 19 insertions(+), 0 deletions(-)

diff --git a/virtagent-daemon.c b/virtagent-daemon.c
index 137641d..ae306b9 100644
--- a/virtagent-daemon.c
+++ b/virtagent-daemon.c
@@ -194,6 +194,23 @@ static xmlrpc_value *va_ping(xmlrpc_env *env,
     return result;
 }
 
+/* va_hello(): handle client startup notification
+ * rpc return values: none
+ */
+
+static xmlrpc_value *va_hello(xmlrpc_env *env,
+                                   xmlrpc_value *param,
+                                   void *user_data)
+{
+    int ret = va_client_init_capabilities();
+    TRACE("called");
+    SLOG("va_hello()");
+    if (ret < 0) {
+        LOG("error setting initializing client capabilities");
+    }
+    return NULL;
+}
+
 static int va_accept(int listen_fd) {
     struct sockaddr_in saddr;
     struct sockaddr *addr;
@@ -234,6 +251,8 @@ static RPCFunction guest_functions[] = {
 static RPCFunction host_functions[] = {
     { .func = va_ping,
       .func_name = "va_ping" },
+    { .func = va_hello,
+      .func_name = "va_hello" },
     { NULL, NULL }
 };
 
-- 
1.7.0.4