Refactor SOL_SOCKET options

Store all the socket level options in a struct and call {Get/Set}SockOpt on
this struct. This will avoid implementing socket level options on all
endpoints. This CL contains implementing one socket level option for tcp and
udp endpoints.

PiperOrigin-RevId: 342203981

1 files changed, 28 insertions, 0 deletions

diff --git a/test/syscalls/linux/socket_generic.cc b/test/syscalls/linux/socket_generic.cc
index 5d39e6fbd..796546224 100644
--- a/test/syscalls/linux/socket_generic.cc
+++ b/test/syscalls/linux/socket_generic.cc
@@ -818,5 +818,33 @@ TEST_P(AllSocketPairTest, GetSockoptProtocol) {
   }
 }
 
+TEST_P(AllSocketPairTest, GetSockoptBroadcast) {
+  auto sockets = ASSERT_NO_ERRNO_AND_VALUE(NewSocketPair());
+  int opt = -1;
+  socklen_t optlen = sizeof(opt);
+  EXPECT_THAT(
+      getsockopt(sockets->first_fd(), SOL_SOCKET, SO_BROADCAST, &opt, &optlen),
+      SyscallSucceeds());
+  ASSERT_EQ(optlen, sizeof(opt));
+  EXPECT_EQ(opt, 0);
+}
+
+TEST_P(AllSocketPairTest, SetAndGetSocketBroadcastOption) {
+  auto sockets = ASSERT_NO_ERRNO_AND_VALUE(NewSocketPair());
+  int kSockOptOn = 1;
+  ASSERT_THAT(setsockopt(sockets->first_fd(), SOL_SOCKET, SO_BROADCAST,
+                         &kSockOptOn, sizeof(kSockOptOn)),
+              SyscallSucceedsWithValue(0));
+
+  int got = -1;
+  socklen_t length = sizeof(got);
+  ASSERT_THAT(
+      getsockopt(sockets->first_fd(), SOL_SOCKET, SO_BROADCAST, &got, &length),
+      SyscallSucceedsWithValue(0));
+
+  ASSERT_EQ(length, sizeof(got));
+  EXPECT_EQ(got, kSockOptOn);
+}
+
 }  // namespace testing
 }  // namespace gvisor