aboutsummaryrefslogtreecommitdiffhomepage
path: root/src/core/lib/iomgr/socket_windows.c
diff options
context:
space:
mode:
authorGravatar Craig Tiller <ctiller@google.com>2016-03-25 17:07:29 -0700
committerGravatar Craig Tiller <ctiller@google.com>2016-03-25 17:07:29 -0700
commitf23078cbd302d32649537eedda1769c5685228d8 (patch)
treeb0bb46845658e5b8256868d102076226aa10215e /src/core/lib/iomgr/socket_windows.c
parentf3d76384351039266e250aacf97c90d5b0c07dca (diff)
Stage #1 of core breakup: move everything under lib
Diffstat (limited to 'src/core/lib/iomgr/socket_windows.c')
-rw-r--r--src/core/lib/iomgr/socket_windows.c100
1 files changed, 100 insertions, 0 deletions
diff --git a/src/core/lib/iomgr/socket_windows.c b/src/core/lib/iomgr/socket_windows.c
new file mode 100644
index 0000000000..c1f419e273
--- /dev/null
+++ b/src/core/lib/iomgr/socket_windows.c
@@ -0,0 +1,100 @@
+/*
+ *
+ * Copyright 2015-2016, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ * * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include <grpc/support/port_platform.h>
+
+#ifdef GPR_WINSOCK_SOCKET
+
+#include <winsock2.h>
+
+// must be included after winsock2.h
+#include <mswsock.h>
+
+#include <grpc/support/alloc.h>
+#include <grpc/support/log.h>
+#include <grpc/support/log_win32.h>
+#include <grpc/support/string_util.h>
+
+#include "src/core/iomgr/iocp_windows.h"
+#include "src/core/iomgr/iomgr_internal.h"
+#include "src/core/iomgr/pollset.h"
+#include "src/core/iomgr/pollset_windows.h"
+#include "src/core/iomgr/socket_windows.h"
+
+grpc_winsocket *grpc_winsocket_create(SOCKET socket, const char *name) {
+ char *final_name;
+ grpc_winsocket *r = gpr_malloc(sizeof(grpc_winsocket));
+ memset(r, 0, sizeof(grpc_winsocket));
+ r->socket = socket;
+ gpr_mu_init(&r->state_mu);
+ gpr_asprintf(&final_name, "%s:socket=0x%p", name, r);
+ grpc_iomgr_register_object(&r->iomgr_object, final_name);
+ gpr_free(final_name);
+ grpc_iocp_add_socket(r);
+ return r;
+}
+
+/* Schedule a shutdown of the socket operations. Will call the pending
+ operations to abort them. We need to do that this way because of the
+ various callsites of that function, which happens to be in various
+ mutex hold states, and that'd be unsafe to call them directly. */
+void grpc_winsocket_shutdown(grpc_winsocket *winsocket) {
+ /* Grab the function pointer for DisconnectEx for that specific socket.
+ It may change depending on the interface. */
+ int status;
+ GUID guid = WSAID_DISCONNECTEX;
+ LPFN_DISCONNECTEX DisconnectEx;
+ DWORD ioctl_num_bytes;
+
+ status = WSAIoctl(winsocket->socket, SIO_GET_EXTENSION_FUNCTION_POINTER,
+ &guid, sizeof(guid), &DisconnectEx, sizeof(DisconnectEx),
+ &ioctl_num_bytes, NULL, NULL);
+
+ if (status == 0) {
+ DisconnectEx(winsocket->socket, NULL, 0, 0);
+ } else {
+ char *utf8_message = gpr_format_message(WSAGetLastError());
+ gpr_log(GPR_ERROR, "Unable to retrieve DisconnectEx pointer : %s",
+ utf8_message);
+ gpr_free(utf8_message);
+ }
+ closesocket(winsocket->socket);
+}
+
+void grpc_winsocket_destroy(grpc_winsocket *winsocket) {
+ grpc_iomgr_unregister_object(&winsocket->iomgr_object);
+ gpr_mu_destroy(&winsocket->state_mu);
+ gpr_free(winsocket);
+}
+
+#endif /* GPR_WINSOCK_SOCKET */