Begin port selection code for windows
diff --git a/Makefile b/Makefile
index 94c0236..cbf7c4d 100644
--- a/Makefile
+++ b/Makefile
@@ -2925,6 +2925,7 @@
test/core/util/grpc_profiler.c \
test/core/util/parse_hexstring.c \
test/core/util/port_posix.c \
+ test/core/util/port_windows.c \
test/core/util/slice_splitter.c \
@@ -2954,6 +2955,7 @@
test/core/util/grpc_profiler.c: $(OPENSSL_DEP)
test/core/util/parse_hexstring.c: $(OPENSSL_DEP)
test/core/util/port_posix.c: $(OPENSSL_DEP)
+test/core/util/port_windows.c: $(OPENSSL_DEP)
test/core/util/slice_splitter.c: $(OPENSSL_DEP)
endif
@@ -2987,6 +2989,7 @@
$(OBJDIR)/$(CONFIG)/test/core/util/grpc_profiler.o:
$(OBJDIR)/$(CONFIG)/test/core/util/parse_hexstring.o:
$(OBJDIR)/$(CONFIG)/test/core/util/port_posix.o:
+$(OBJDIR)/$(CONFIG)/test/core/util/port_windows.o:
$(OBJDIR)/$(CONFIG)/test/core/util/slice_splitter.o:
diff --git a/build.json b/build.json
index f7a05fa..fb81e34 100644
--- a/build.json
+++ b/build.json
@@ -434,6 +434,7 @@
"test/core/util/grpc_profiler.c",
"test/core/util/parse_hexstring.c",
"test/core/util/port_posix.c",
+ "test/core/util/port_windows.c",
"test/core/util/slice_splitter.c"
],
"deps": [
diff --git a/test/core/util/port_windows.c b/test/core/util/port_windows.c
new file mode 100644
index 0000000..279aa2d
--- /dev/null
+++ b/test/core/util/port_windows.c
@@ -0,0 +1,159 @@
+/*
+ *
+ * Copyright 2015, 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>
+#include "test/core/util/test_config.h"
+#if defined(GPR_WINSOCK_SOCKET) && defined(GRPC_TEST_PICK_PORT)
+
+#include "test/core/util/port.h"
+
+#include <netinet/in.h>
+#include <sys/socket.h>
+#include <stdio.h>
+#include <errno.h>
+#include <string.h>
+#include <unistd.h>
+
+#include <grpc/support/log.h>
+
+#define NUM_RANDOM_PORTS_TO_PICK 100
+
+static int is_port_available(int *port, int is_tcp) {
+ const int proto = is_tcp ? IPPROTO_TCP : 0;
+ const int fd = socket(AF_INET, is_tcp ? SOCK_STREAM : SOCK_DGRAM, proto);
+ int one = 1;
+ struct sockaddr_in addr;
+ socklen_t alen = sizeof(addr);
+ int actual_port;
+
+ GPR_ASSERT(*port >= 0);
+ GPR_ASSERT(*port <= 65535);
+ if (fd < 0) {
+ gpr_log(GPR_ERROR, "socket() failed: %s", strerror(errno));
+ return 0;
+ }
+
+ /* Reuseaddr lets us start up a server immediately after it exits */
+ if (setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &one, sizeof(one)) < 0) {
+ gpr_log(GPR_ERROR, "setsockopt() failed: %s", strerror(errno));
+ close(fd);
+ return 0;
+ }
+
+ /* Try binding to port */
+ addr.sin_family = AF_INET;
+ addr.sin_addr.s_addr = INADDR_ANY;
+ addr.sin_port = htons(*port);
+ if (bind(fd, (struct sockaddr *)&addr, sizeof(addr)) < 0) {
+ gpr_log(GPR_DEBUG, "bind(port=%d) failed: %s", *port, strerror(errno));
+ close(fd);
+ return 0;
+ }
+
+ /* Get the bound port number */
+ if (getsockname(fd, (struct sockaddr *)&addr, &alen) < 0) {
+ gpr_log(GPR_ERROR, "getsockname() failed: %s", strerror(errno));
+ close(fd);
+ return 0;
+ }
+ GPR_ASSERT(alen <= sizeof(addr));
+ actual_port = ntohs(addr.sin_port);
+ GPR_ASSERT(actual_port > 0);
+ if (*port == 0) {
+ *port = actual_port;
+ } else {
+ GPR_ASSERT(*port == actual_port);
+ }
+
+ close(fd);
+ return 1;
+}
+
+int grpc_pick_unused_port(void) {
+ /* We repeatedly pick a port and then see whether or not it is
+ available for use both as a TCP socket and a UDP socket. First, we
+ pick a random large port number. For subsequent
+ iterations, we bind to an anonymous port and let the OS pick the
+ port number. The random port picking reduces the probability of
+ races with other processes on kernels that want to reuse the same
+ port numbers over and over. */
+
+ /* In alternating iterations we try UDP ports before TCP ports UDP
+ ports -- it could be the case that this machine has been using up
+ UDP ports and they are scarcer. */
+
+ /* Type of port to first pick in next iteration */
+ int is_tcp = 1;
+ int try = 0;
+
+ for (;;) {
+ int port;
+ try++;
+ if (try == 1) {
+ port = getpid() % (65536 - 30000) + 30000;
+ } else if (try <= NUM_RANDOM_PORTS_TO_PICK) {
+ port = rand() % (65536 - 30000) + 30000;
+ } else {
+ port = 0;
+ }
+
+ if (!is_port_available(&port, is_tcp)) {
+ continue;
+ }
+
+ GPR_ASSERT(port > 0);
+ /* Check that the port # is free for the other type of socket also */
+ if (!is_port_available(&port, !is_tcp)) {
+ /* In the next iteration try to bind to the other type first
+ because perhaps it is more rare. */
+ is_tcp = !is_tcp;
+ continue;
+ }
+
+ /* TODO(ctiller): consider caching this port in some structure, to avoid
+ handing it out again */
+
+ return port;
+ }
+
+ /* The port iterator reached the end without finding a suitable port. */
+ return 0;
+}
+
+int grpc_pick_unused_port_or_die(void) {
+ int port = grpc_pick_unused_port();
+ GPR_ASSERT(port > 0);
+ return port;
+}
+
+#endif /* GPR_WINSOCK_SOCKET && GRPC_TEST_PICK_PORT */
diff --git a/vsprojects/vs2010/grpc_test_util.vcxproj b/vsprojects/vs2010/grpc_test_util.vcxproj
index 967543f..d3559d4 100644
--- a/vsprojects/vs2010/grpc_test_util.vcxproj
+++ b/vsprojects/vs2010/grpc_test_util.vcxproj
@@ -96,6 +96,8 @@
</ClCompile>
<ClCompile Include="..\..\test\core\util\port_posix.c">
</ClCompile>
+ <ClCompile Include="..\..\test\core\util\port_windows.c">
+ </ClCompile>
<ClCompile Include="..\..\test\core\util\slice_splitter.c">
</ClCompile>
</ItemGroup>
diff --git a/vsprojects/vs2013/grpc_test_util.vcxproj b/vsprojects/vs2013/grpc_test_util.vcxproj
index 4756f53..d25fd7c 100644
--- a/vsprojects/vs2013/grpc_test_util.vcxproj
+++ b/vsprojects/vs2013/grpc_test_util.vcxproj
@@ -98,6 +98,8 @@
</ClCompile>
<ClCompile Include="..\..\test\core\util\port_posix.c">
</ClCompile>
+ <ClCompile Include="..\..\test\core\util\port_windows.c">
+ </ClCompile>
<ClCompile Include="..\..\test\core\util\slice_splitter.c">
</ClCompile>
</ItemGroup>