Enable CFStream with environment variable

3 files changed, 80 insertions, 3 deletions

diff --git a/src/core/lib/iomgr/iomgr_posix_cfstream.cc b/src/core/lib/iomgr/iomgr_posix_cfstream.cc
new file mode 100644
index 0000000000..646dd9ee6d
--- /dev/null
+++ b/src/core/lib/iomgr/iomgr_posix_cfstream.cc
@@ -0,0 +1,76 @@
+/*
+ *
+ * Copyright 2015 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 <grpc/support/port_platform.h>
+
+#include "src/core/lib/iomgr/port.h"
+
+#ifdef GRPC_CFSTREAM_IOMGR
+
+
+#include "src/core/lib/debug/trace.h"
+#include "src/core/lib/iomgr/ev_posix.h"
+#include "src/core/lib/iomgr/iomgr_internal.h"
+#include "src/core/lib/iomgr/iomgr_posix.h"
+#include "src/core/lib/iomgr/resolve_address.h"
+#include "src/core/lib/iomgr/tcp_client.h"
+#include "src/core/lib/iomgr/tcp_posix.h"
+#include "src/core/lib/iomgr/tcp_server.h"
+#include "src/core/lib/iomgr/timer.h"
+
+static const char *grpc_cfstream_env_var = "grpc_cfstream";
+
+extern grpc_tcp_server_vtable grpc_posix_tcp_server_vtable;
+extern grpc_tcp_client_vtable grpc_posix_tcp_client_vtable;
+extern grpc_tcp_client_vtable grpc_cfstream_client_vtable;
+extern grpc_timer_vtable grpc_generic_timer_vtable;
+extern grpc_pollset_vtable grpc_posix_pollset_vtable;
+extern grpc_pollset_set_vtable grpc_posix_pollset_set_vtable;
+extern grpc_address_resolver_vtable grpc_posix_resolver_vtable;
+
+static void iomgr_platform_init(void) {
+  grpc_wakeup_fd_global_init();
+  grpc_event_engine_init();
+}
+
+static void iomgr_platform_flush(void) {}
+
+static void iomgr_platform_shutdown(void) {
+  grpc_event_engine_shutdown();
+  grpc_wakeup_fd_global_destroy();
+}
+
+static grpc_iomgr_platform_vtable vtable = {
+    iomgr_platform_init, iomgr_platform_flush, iomgr_platform_shutdown};
+
+void grpc_set_default_iomgr_platform() {
+  char *enable_cfstream = getenv(grpc_cfstream_env_var);
+  grpc_tcp_client_vtable *client_vtable = &grpc_posix_tcp_client_vtable;
+  if (enable_cfstream != nullptr && enable_cfstream[0] == '1') {
+    client_vtable = &grpc_cfstream_client_vtable;
+  }
+  grpc_set_tcp_client_impl(client_vtable);
+  grpc_set_tcp_server_impl(&grpc_posix_tcp_server_vtable);
+  grpc_set_timer_impl(&grpc_generic_timer_vtable);
+  grpc_set_pollset_vtable(&grpc_posix_pollset_vtable);
+  grpc_set_pollset_set_vtable(&grpc_posix_pollset_set_vtable);
+  grpc_set_resolver_impl(&grpc_posix_resolver_vtable);
+  grpc_set_iomgr_platform_vtable(&vtable);
+}
+
+#endif /* GRPC_CFSTREAM_IOMGR */
diff --git a/src/core/lib/iomgr/port.h b/src/core/lib/iomgr/port.h
index 80d8e63cdd..1d0ecff802 100644
--- a/src/core/lib/iomgr/port.h
+++ b/src/core/lib/iomgr/port.h
@@ -98,9 +98,9 @@
 #define GRPC_POSIX_FORK 1
 #define GRPC_POSIX_NO_SPECIAL_WAKEUP_FD 1
 #ifdef GRPC_CFSTREAM
-#define GRPC_POSIX_SOCKET_IOMGR 1
-#define GRPC_CFSTREAM_ENDPOINT 1
+#define GRPC_CFSTREAM_IOMGR 1
 #define GRPC_CFSTREAM_CLIENT 1
+#define GRPC_CFSTREAM_ENDPOINT 1
 #define GRPC_POSIX_SOCKET_ARES_EV_DRIVER 1
 #define GRPC_POSIX_SOCKET_EV 1
 #define GRPC_POSIX_SOCKET_EV_EPOLL1 1
@@ -111,6 +111,7 @@
 #define GRPC_POSIX_SOCKET_SOCKADDR 1
 #define GRPC_POSIX_SOCKET_SOCKET_FACTORY 1
 #define GRPC_POSIX_SOCKET_TCP 1
+#define GRPC_POSIX_SOCKET_TCP_CLIENT 1
 #define GRPC_POSIX_SOCKET_TCP_SERVER 1
 #define GRPC_POSIX_SOCKET_TCP_SERVER_UTILS_COMMON 1
 #define GRPC_POSIX_SOCKET_UTILS_COMMON 1
diff --git a/src/core/lib/iomgr/tcp_client_cfstream.cc b/src/core/lib/iomgr/tcp_client_cfstream.cc
index 5acea91792..4b21322d74 100644
--- a/src/core/lib/iomgr/tcp_client_cfstream.cc
+++ b/src/core/lib/iomgr/tcp_client_cfstream.cc
@@ -211,6 +211,6 @@ static void CFStreamClientConnect(grpc_closure* closure, grpc_endpoint** ep,
   gpr_mu_unlock(&connect->mu);
 }
 
-grpc_tcp_client_vtable grpc_posix_tcp_client_vtable = {CFStreamClientConnect};
+grpc_tcp_client_vtable grpc_cfstream_client_vtable = {CFStreamClientConnect};
 
 #endif /* GRPC_CFSTREAM_CLIENT */