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[Qemu-devel] [PULL 04/21] monitor: Convert client_migrate_info to QAPI


From: Markus Armbruster
Subject: [Qemu-devel] [PULL 04/21] monitor: Convert client_migrate_info to QAPI
Date: Tue, 2 Jun 2015 10:23:42 +0200

Signed-off-by: Markus Armbruster <address@hidden>
Reviewed-by: Eric Blake <address@hidden>
Reviewed-by: Luiz Capitulino <address@hidden>
---
 hmp-commands.hx  |  3 +--
 hmp.c            | 17 +++++++++++++++++
 hmp.h            |  1 +
 monitor.c        | 42 ++++++++++++++++++------------------------
 qapi-schema.json | 19 +++++++++++++++++++
 qmp-commands.hx  |  2 +-
 6 files changed, 57 insertions(+), 27 deletions(-)

diff --git a/hmp-commands.hx b/hmp-commands.hx
index 0cf592b..af2de61 100644
--- a/hmp-commands.hx
+++ b/hmp-commands.hx
@@ -1012,8 +1012,7 @@ ETEXI
         .args_type  = 
"protocol:s,hostname:s,port:i?,tls-port:i?,cert-subject:s?",
         .params     = "protocol hostname port tls-port cert-subject",
         .help       = "set migration information for remote display",
-        .user_print = monitor_user_noop,
-        .mhandler.cmd_new = client_migrate_info,
+        .mhandler.cmd = hmp_client_migrate_info,
     },
 
 STEXI
diff --git a/hmp.c b/hmp.c
index e17852d..5a43f9d 100644
--- a/hmp.c
+++ b/hmp.c
@@ -1250,6 +1250,23 @@ void hmp_migrate_set_parameter(Monitor *mon, const QDict 
*qdict)
     }
 }
 
+void hmp_client_migrate_info(Monitor *mon, const QDict *qdict)
+{
+    Error *err = NULL;
+    const char *protocol = qdict_get_str(qdict, "protocol");
+    const char *hostname = qdict_get_str(qdict, "hostname");
+    bool has_port        = qdict_haskey(qdict, "port");
+    int port             = qdict_get_try_int(qdict, "port", -1);
+    bool has_tls_port    = qdict_haskey(qdict, "tls-port");
+    int tls_port         = qdict_get_try_int(qdict, "tls-port", -1);
+    const char *cert_subject = qdict_get_try_str(qdict, "cert-subject");
+
+    qmp_client_migrate_info(protocol, hostname,
+                            has_port, port, has_tls_port, tls_port,
+                            !!cert_subject, cert_subject, &err);
+    hmp_handle_error(mon, &err);
+}
+
 void hmp_set_password(Monitor *mon, const QDict *qdict)
 {
     const char *protocol  = qdict_get_str(qdict, "protocol");
diff --git a/hmp.h b/hmp.h
index a158e3f..b81439c 100644
--- a/hmp.h
+++ b/hmp.h
@@ -67,6 +67,7 @@ void hmp_migrate_set_speed(Monitor *mon, const QDict *qdict);
 void hmp_migrate_set_capability(Monitor *mon, const QDict *qdict);
 void hmp_migrate_set_parameter(Monitor *mon, const QDict *qdict);
 void hmp_migrate_set_cache_size(Monitor *mon, const QDict *qdict);
+void hmp_client_migrate_info(Monitor *mon, const QDict *qdict);
 void hmp_set_password(Monitor *mon, const QDict *qdict);
 void hmp_expire_password(Monitor *mon, const QDict *qdict);
 void hmp_eject(Monitor *mon, const QDict *qdict);
diff --git a/monitor.c b/monitor.c
index 8170309..38ff972 100644
--- a/monitor.c
+++ b/monitor.c
@@ -1032,39 +1032,33 @@ static void hmp_info_trace_events(Monitor *mon, const 
QDict *qdict)
     qapi_free_TraceEventInfoList(events);
 }
 
-static int client_migrate_info(Monitor *mon, const QDict *qdict,
-                               QObject **ret_data)
+void qmp_client_migrate_info(const char *protocol, const char *hostname,
+                             bool has_port, int64_t port,
+                             bool has_tls_port, int64_t tls_port,
+                             bool has_cert_subject, const char *cert_subject,
+                             Error **errp)
 {
-    const char *protocol = qdict_get_str(qdict, "protocol");
-    const char *hostname = qdict_get_str(qdict, "hostname");
-    const char *subject  = qdict_get_try_str(qdict, "cert-subject");
-    int port             = qdict_get_try_int(qdict, "port", -1);
-    int tls_port         = qdict_get_try_int(qdict, "tls-port", -1);
-    Error *err = NULL;
-    int ret;
-
     if (strcmp(protocol, "spice") == 0) {
-        if (!qemu_using_spice(&err)) {
-            qerror_report_err(err);
-            error_free(err);
-            return -1;
+        if (!qemu_using_spice(errp)) {
+            return;
         }
 
-        if (port == -1 && tls_port == -1) {
-            qerror_report(QERR_MISSING_PARAMETER, "port/tls-port");
-            return -1;
+        if (!has_port && !has_tls_port) {
+            error_set(errp, QERR_MISSING_PARAMETER, "port/tls-port");
+            return;
         }
 
-        ret = qemu_spice_migrate_info(hostname, port, tls_port, subject);
-        if (ret != 0) {
-            qerror_report(QERR_UNDEFINED_ERROR);
-            return -1;
+        if (qemu_spice_migrate_info(hostname,
+                                    has_port ? port : -1,
+                                    has_tls_port ? tls_port : -1,
+                                    cert_subject)) {
+            error_set(errp, QERR_UNDEFINED_ERROR);
+            return;
         }
-        return 0;
+        return;
     }
 
-    qerror_report(QERR_INVALID_PARAMETER_VALUE, "protocol", "spice");
-    return -1;
+    error_set(errp, QERR_INVALID_PARAMETER_VALUE, "protocol", "spice");
 }
 
 static void hmp_logfile(Monitor *mon, const QDict *qdict)
diff --git a/qapi-schema.json b/qapi-schema.json
index 0662a9b..6e17a5c 100644
--- a/qapi-schema.json
+++ b/qapi-schema.json
@@ -638,6 +638,25 @@
   'returns': 'MigrationParameters' }
 
 ##
+# @client_migrate_info
+#
+# Set migration information for remote display.  This makes the server
+# ask the client to automatically reconnect using the new parameters
+# once migration finished successfully.  Only implemented for SPICE.
+#
+# @protocol:     must be "spice"
+# @hostname:     migration target hostname
+# @port:         #optional spice tcp port for plaintext channels
+# @tls-port:     #optional spice tcp port for tls-secured channels
+# @cert-subject: #optional server certificate subject
+#
+# Since: 0.14.0
+##
+{ 'command': 'client_migrate_info',
+  'data': { 'protocol': 'str', 'hostname': 'str', '*port': 'int',
+            '*tls-port': 'int', '*cert-subject': 'str' } }
+
+##
 # @MouseInfo:
 #
 # Information about a mouse device.
diff --git a/qmp-commands.hx b/qmp-commands.hx
index a9768a2..867a21f 100644
--- a/qmp-commands.hx
+++ b/qmp-commands.hx
@@ -785,7 +785,7 @@ EQMP
         .args_type  = 
"protocol:s,hostname:s,port:i?,tls-port:i?,cert-subject:s?",
         .params     = "protocol hostname port tls-port cert-subject",
         .help       = "set migration information for remote display",
-        .mhandler.cmd_new = client_migrate_info,
+        .mhandler.cmd_new = qmp_marshal_input_client_migrate_info,
     },
 
 SQMP
-- 
1.9.3




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