Add support for modifying TCP and UDP socket buffer size in nacl_io

native_client_sdk/src/tests/nacl_io_socket_test/socket_test.cc

Index: native_client_sdk/src/tests/nacl_io_socket_test/socket_test.cc
diff --git a/native_client_sdk/src/tests/nacl_io_socket_test/socket_test.cc b/native_client_sdk/src/tests/nacl_io_socket_test/socket_test.cc
index 5dfe0046fc166424f76b5f33e2af73f37ba95f5a..267ee5bf598030449ccbcf82124bd723bb63d657 100644
--- a/native_client_sdk/src/tests/nacl_io_socket_test/socket_test.cc
+++ b/native_client_sdk/src/tests/nacl_io_socket_test/socket_test.cc
@@ -511,6 +511,28 @@ TEST_F(SocketTest, Sockopt_REUSEADDR) {
   ASSERT_EQ(sizeof(int), len);
 }
 
+TEST_F(SocketTest, Sockopt_BUFSIZE) {
+  int option = 1024*1024;
+  socklen_t len = sizeof(option);
+
+  sock1_ = ki_socket(AF_INET, SOCK_DGRAM, 0);
+  ASSERT_GT(sock1_, -1);
+  ASSERT_EQ(0, Bind(sock1_, LOCAL_HOST, PORT1));
+  ASSERT_EQ(0, ki_setsockopt(sock1_, SOL_SOCKET, SO_RCVBUF, &option, len))
+    << "failed with: " << strerror(errno);
+  ASSERT_EQ(0, ki_setsockopt(sock1_, SOL_SOCKET, SO_SNDBUF, &option, len))
+    << "failed with: " << strerror(errno);
+
+  sock2_ = socket(AF_INET, SOCK_STREAM, 0);

[CodeByThePound, 2014/06/02 19:38:18]

I think you meant to call ki_socket here, instead of socket?

+  ASSERT_GT(sock2_, -1);
+  ASSERT_EQ(0, Bind(sock2_, LOCAL_HOST, PORT2));
+
+  ASSERT_EQ(0, ki_setsockopt(sock2_, SOL_SOCKET, SO_RCVBUF, &option, len))
+    << "failed with: " << strerror(errno);
+  ASSERT_EQ(0, ki_setsockopt(sock2_, SOL_SOCKET, SO_SNDBUF, &option, len))
+    << "failed with: " << strerror(errno);
+}
+
 // The size of the data to send is deliberately chosen to be
 // larger than the TCP buffer in nacl_io.
 // TODO(sbc): use ioctl to discover the actual buffer size at