Add GTS plugin

4 files changed, 85 insertions, 0 deletions

diff --git a/src/core/plugin_registry/grpc_cronet_plugin_registry.c b/src/core/plugin_registry/grpc_cronet_plugin_registry.c
index b468c03aa3..322ebea111 100644
--- a/src/core/plugin_registry/grpc_cronet_plugin_registry.c
+++ b/src/core/plugin_registry/grpc_cronet_plugin_registry.c
@@ -26,6 +26,8 @@ extern void grpc_deadline_filter_init(void);
 extern void grpc_deadline_filter_shutdown(void);
 extern void grpc_client_channel_init(void);
 extern void grpc_client_channel_shutdown(void);
+extern void grpc_tsi_gts_init(void);
+extern void grpc_tsi_gts_shutdown(void);
 extern void grpc_load_reporting_plugin_init(void);
 extern void grpc_load_reporting_plugin_shutdown(void);
 
@@ -38,6 +40,8 @@ void grpc_register_built_in_plugins(void) {
                        grpc_deadline_filter_shutdown);
   grpc_register_plugin(grpc_client_channel_init,
                        grpc_client_channel_shutdown);
+  grpc_register_plugin(grpc_tsi_gts_init,
+                       grpc_tsi_gts_shutdown);
   grpc_register_plugin(grpc_load_reporting_plugin_init,
                        grpc_load_reporting_plugin_shutdown);
 }
diff --git a/src/core/plugin_registry/grpc_plugin_registry.c b/src/core/plugin_registry/grpc_plugin_registry.c
index b0d06a3f43..fa9974952c 100644
--- a/src/core/plugin_registry/grpc_plugin_registry.c
+++ b/src/core/plugin_registry/grpc_plugin_registry.c
@@ -22,6 +22,8 @@ extern void grpc_http_filters_init(void);
 extern void grpc_http_filters_shutdown(void);
 extern void grpc_chttp2_plugin_init(void);
 extern void grpc_chttp2_plugin_shutdown(void);
+extern void grpc_tsi_gts_init(void);
+extern void grpc_tsi_gts_shutdown(void);
 extern void grpc_deadline_filter_init(void);
 extern void grpc_deadline_filter_shutdown(void);
 extern void grpc_client_channel_init(void);
@@ -58,6 +60,8 @@ void grpc_register_built_in_plugins(void) {
                        grpc_http_filters_shutdown);
   grpc_register_plugin(grpc_chttp2_plugin_init,
                        grpc_chttp2_plugin_shutdown);
+  grpc_register_plugin(grpc_tsi_gts_init,
+                       grpc_tsi_gts_shutdown);
   grpc_register_plugin(grpc_deadline_filter_init,
                        grpc_deadline_filter_shutdown);
   grpc_register_plugin(grpc_client_channel_init,
diff --git a/src/core/tsi/gts_transport_security.c b/src/core/tsi/gts_transport_security.c
new file mode 100644
index 0000000000..e2ac685e44
--- /dev/null
+++ b/src/core/tsi/gts_transport_security.c
@@ -0,0 +1,40 @@
+/*
+ *
+ * Copyright 2017 gRPC authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+#include "src/core/tsi/gts_transport_security.h"
+
+#include <string.h>
+
+static gts_shared_resource g_gts_resource;
+
+gts_shared_resource *gts_get_shared_resource(void) { return &g_gts_resource; }
+
+void grpc_tsi_gts_init() {
+  memset(&g_gts_resource, 0, sizeof(gts_shared_resource));
+  gpr_mu_init(&g_gts_resource.mu);
+}
+
+void grpc_tsi_gts_shutdown() {
+  gpr_mu_destroy(&g_gts_resource.mu);
+  if (g_gts_resource.cq == NULL) {
+    return;
+  }
+  grpc_completion_queue_destroy(g_gts_resource.cq);
+  grpc_channel_destroy(g_gts_resource.channel);
+  gpr_thd_join(g_gts_resource.thread_id);
+}
diff --git a/src/core/tsi/gts_transport_security.h b/src/core/tsi/gts_transport_security.h
new file mode 100644
index 0000000000..538e1030bc
--- /dev/null
+++ b/src/core/tsi/gts_transport_security.h
@@ -0,0 +1,37 @@
+/*
+ *
+ * Copyright 2017 gRPC authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+#ifndef GRPC_CORE_TSI_GTS_TRANSPORT_SECURITY_H
+#define GRPC_CORE_TSI_GTS_TRANSPORT_SECURITY_H
+
+#include <grpc/grpc.h>
+#include <grpc/support/sync.h>
+#include <grpc/support/thd.h>
+
+typedef struct gts_shared_resource {
+  gpr_thd_id thread_id;
+  grpc_channel *channel;
+  grpc_completion_queue *cq;
+  gpr_mu mu;
+} gts_shared_resource;
+
+/* This method returns the address of gts_shared_resource object shared by all
+ *    TSI handshakes. */
+gts_shared_resource *gts_get_shared_resource(void);
+
+#endif /* GRPC_CORE_TSI_GTS_TRANSPORT_SECURITY_H */