TEST(SocketAddress, SetFromSocketUnixExplicit) {
// Pick two temporary path names.
// We use mkstemp() just to avoid warnings about mktemp,
// but we need to remove the file to let the socket code bind to it.
char serverPath[] = "/tmp/TSocketAddressTest.server.XXXXXX";
int serverPathFd = mkstemp(serverPath);
EXPECT_GE(serverPathFd, 0);
char clientPath[] = "/tmp/TSocketAddressTest.client.XXXXXX";
int clientPathFd = mkstemp(clientPath);
EXPECT_GE(clientPathFd, 0);
int rc = unlink(serverPath);
EXPECT_EQ(rc, 0);
rc = unlink(clientPath);
EXPECT_EQ(rc, 0);
TSocketAddress serverBindAddr;
TSocketAddress clientBindAddr;
TSocketAddress listenAddr;
TSocketAddress acceptAddr;
TSocketAddress serverAddr;
TSocketAddress serverPeerAddr;
TSocketAddress clientAddr;
TSocketAddress clientPeerAddr;
try {
serverBindAddr.setFromPath(serverPath);
clientBindAddr.setFromPath(clientPath);
testSetFromSocket(&serverBindAddr, &clientBindAddr,
&listenAddr, &acceptAddr,
&serverAddr, &serverPeerAddr,
&clientAddr, &clientPeerAddr);
} catch (...) {
// Remove the socket files after we are done
unlink(serverPath);
unlink(clientPath);
throw;
}
unlink(serverPath);
unlink(clientPath);
// The server socket's local address should be the same as the listen
// address.
EXPECT_EQ(serverAddr, listenAddr);
// The client's peer address should always be the same as the server
// socket's address.
EXPECT_EQ(clientPeerAddr, serverAddr);
EXPECT_EQ(serverPeerAddr, clientAddr);
EXPECT_EQ(serverPeerAddr, acceptAddr);
EXPECT_EQ(acceptAddr, clientAddr);
}
/*
* Note this test exercises Linux-specific Unix socket behavior
*/
TEST(SocketAddress, SetFromSocketUnixAbstract) {
// Explicitly binding to an empty path results in an abstract socket
// name being picked for us automatically.
TSocketAddress serverBindAddr;
string path(1, 0);
path.append("test address");
serverBindAddr.setFromPath(path);
TSocketAddress clientBindAddr;
clientBindAddr.setFromPath("");
TSocketAddress listenAddr;
TSocketAddress acceptAddr;
TSocketAddress serverAddr;
TSocketAddress serverPeerAddr;
TSocketAddress clientAddr;
TSocketAddress clientPeerAddr;
testSetFromSocket(&serverBindAddr, &clientBindAddr,
&listenAddr, &acceptAddr,
&serverAddr, &serverPeerAddr,
&clientAddr, &clientPeerAddr);
// The server socket's local address should be the same as the listen
// address.
EXPECT_EQ(serverAddr, listenAddr);
// The client's peer address should always be the same as the server
// socket's address.
EXPECT_EQ(clientPeerAddr, serverAddr);
EXPECT_EQ(serverPeerAddr, clientAddr);
// Oddly, the address returned by accept() does not seem to match the address
// returned by getpeername() on the server socket or getsockname() on the
// client socket.
// EXPECT_EQ(serverPeerAddr, acceptAddr);
// EXPECT_EQ(acceptAddr, clientAddr);
}
TEST(SocketAddress, SetFromSocketUnixAnonymous) {
// Test an anonymous client talking to a fixed-path unix socket.
char serverPath[] = "/tmp/TSocketAddressTest.server.XXXXXX";
int serverPathFd = mkstemp(serverPath);
EXPECT_GE(serverPathFd, 0);
int rc = unlink(serverPath);
EXPECT_EQ(rc, 0);
TSocketAddress serverBindAddr;
TSocketAddress listenAddr;
TSocketAddress acceptAddr;
TSocketAddress serverAddr;
TSocketAddress serverPeerAddr;
TSocketAddress clientAddr;
TSocketAddress clientPeerAddr;
try {
serverBindAddr.setFromPath(serverPath);
testSetFromSocket(&serverBindAddr, nullptr,
&listenAddr, &acceptAddr,
&serverAddr, &serverPeerAddr,
&clientAddr, &clientPeerAddr);
} catch (...) {
// Remove the socket file after we are done
unlink(serverPath);
throw;
}
unlink(serverPath);
// The server socket's local address should be the same as the listen
// address.
EXPECT_EQ(serverAddr, listenAddr);
// The client's peer address should always be the same as the server
// socket's address.
EXPECT_EQ(clientPeerAddr, serverAddr);
// Since the client is using an anonymous address, it won't compare equal to
// any other anonymous addresses. Make sure the addresses are anonymous.
EXPECT_EQ(serverPeerAddr.getPath(), "");
EXPECT_EQ(clientAddr.getPath(), "");
EXPECT_EQ(acceptAddr.getPath(), "");
}
TEST(SocketAddress, Unix) {
TSocketAddress addr;
// Test a small path
addr.setFromPath("foo");
EXPECT_EQ(addr.getFamily(), AF_UNIX);
EXPECT_EQ(addr.describe(), "foo");
EXPECT_THROW(addr.getAddressStr(), TTransportException);
EXPECT_THROW(addr.getPort(), TTransportException);
EXPECT_TRUE(addr.isPrivateAddress());
EXPECT_TRUE(addr.isLoopbackAddress());
// Test a path that is too large
const char longPath[] =
"abcdefghijklmnopqrstuvwxyz0123456789"
"abcdefghijklmnopqrstuvwxyz0123456789"
"abcdefghijklmnopqrstuvwxyz0123456789"
"abcdefghijklmnopqrstuvwxyz0123456789";
EXPECT_THROW(addr.setFromPath(longPath), TTransportException);
// The original address should still be the same
EXPECT_EQ(addr.getFamily(), AF_UNIX);
EXPECT_EQ(addr.describe(), "foo");
// Test a path that exactly fits in sockaddr_un
// (not including the NUL terminator)
const char exactLengthPath[] =
"abcdefghijklmnopqrstuvwxyz0123456789"
"abcdefghijklmnopqrstuvwxyz0123456789"
"abcdefghijklmnopqrstuvwxyz0123456789";
addr.setFromPath(exactLengthPath);
EXPECT_EQ(addr.describe(), exactLengthPath);
// Test converting a unix socket address to an IPv4 one, then back
addr.setFromHostPort("127.0.0.1", 1234);
EXPECT_EQ(addr.getFamily(), AF_INET);
EXPECT_EQ(addr.describe(), "127.0.0.1:1234");
addr.setFromPath("/i/am/a/unix/address");
EXPECT_EQ(addr.getFamily(), AF_UNIX);
EXPECT_EQ(addr.describe(), "/i/am/a/unix/address");
// Test copy constructor and assignment operator
{
TSocketAddress copy(addr);
EXPECT_EQ(copy, addr);
copy.setFromPath("/abc");
EXPECT_NE(copy, addr);
copy = addr;
EXPECT_EQ(copy, addr);
copy.setFromIpPort("127.0.0.1", 80);
EXPECT_NE(copy, addr);
copy = addr;
EXPECT_EQ(copy, addr);
}
{
TSocketAddress copy(addr);
EXPECT_EQ(copy, addr);
EXPECT_EQ(copy.describe(), "/i/am/a/unix/address");
EXPECT_EQ(copy.getPath(), "/i/am/a/unix/address");
TSocketAddress other("127.0.0.1", 80);
EXPECT_NE(other, addr);
other = copy;
EXPECT_EQ(other, copy);
EXPECT_EQ(other, addr);
EXPECT_EQ(copy, addr);
}
#if __GXX_EXPERIMENTAL_CXX0X__
{
TSocketAddress copy;
{
// move a unix address into a non-unix address
TSocketAddress tmpCopy(addr);
copy = std::move(tmpCopy);
}
EXPECT_EQ(copy, addr);
copy.setFromPath("/another/path");
{
// move a unix address into a unix address
TSocketAddress tmpCopy(addr);
copy = std::move(tmpCopy);
}
EXPECT_EQ(copy, addr);
{
// move a non-unix address into a unix address
TSocketAddress tmp("127.0.0.1", 80);
copy = std::move(tmp);
}
EXPECT_EQ(copy.getAddressStr(), "127.0.0.1");
EXPECT_EQ(copy.getPort(), 80);
copy = addr;
// move construct a unix address
TSocketAddress other(std::move(copy));
EXPECT_EQ(other, addr);
EXPECT_EQ(other.getPath(), addr.getPath());
}
#endif
}
TEST(SocketAddress, EqualityAndHash) {
// IPv4
TSocketAddress local1("127.0.0.1", 1234);
EXPECT_EQ(local1, local1);
EXPECT_EQ(local1.hash(), local1.hash());
TSocketAddress local2("127.0.0.1", 1234);
EXPECT_EQ(local1, local2);
EXPECT_EQ(local1.hash(), local2.hash());
TSocketAddress local3("127.0.0.1", 4321);
EXPECT_NE(local1, local3);
EXPECT_NE(local1.hash(), local3.hash());
TSocketAddress other1("1.2.3.4", 1234);
EXPECT_EQ(other1, other1);
EXPECT_EQ(other1.hash(), other1.hash());
EXPECT_NE(local1, other1);
EXPECT_NE(local1.hash(), other1.hash());
TSocketAddress other2("4.3.2.1", 1234);
EXPECT_NE(other1.hash(), other2.hash());
EXPECT_NE(other1.hash(), other2.hash());
other2.setFromIpPort("1.2.3.4", 0);
EXPECT_NE(other1.hash(), other2.hash());
EXPECT_NE(other1.hash(), other2.hash());
other2.setPort(1234);
EXPECT_EQ(other1.hash(), other2.hash());
EXPECT_EQ(other1.hash(), other2.hash());
// IPv6
TSocketAddress v6_1("2620:0:1c00:face:b00c:0:0:abcd", 1234);
TSocketAddress v6_2("2620:0:1c00:face:b00c::abcd", 1234);
TSocketAddress v6_3("2620:0:1c00:face:b00c::bcda", 1234);
EXPECT_EQ(v6_1, v6_2);
EXPECT_EQ(v6_1.hash(), v6_2.hash());
EXPECT_NE(v6_1, v6_3);
EXPECT_NE(v6_1.hash(), v6_3.hash());
// IPv4 versus IPv6 comparison
TSocketAddress localIPv6("::1", 1234);
// Even though these both refer to localhost,
// IPv4 and IPv6 addresses are never treated as the same address
EXPECT_NE(local1, localIPv6);
EXPECT_NE(local1.hash(), localIPv6.hash());
// IPv4-mapped IPv6 addresses are not treated as equal
// to the equivalent IPv4 address
TSocketAddress v4("10.0.0.3", 99);
TSocketAddress v6_mapped1("::ffff:10.0.0.3", 99);
TSocketAddress v6_mapped2("::ffff:0a00:0003", 99);
EXPECT_NE(v4, v6_mapped1);
EXPECT_NE(v4, v6_mapped2);
EXPECT_EQ(v6_mapped1, v6_mapped2);
// However, after calling convertToIPv4(), the mapped address should now be
// equal to the v4 version.
EXPECT_TRUE(v6_mapped1.isIPv4Mapped());
v6_mapped1.convertToIPv4();
EXPECT_EQ(v6_mapped1, v4);
EXPECT_NE(v6_mapped1, v6_mapped2);
// Unix
TSocketAddress unix1;
unix1.setFromPath("/foo");
TSocketAddress unix2;
unix2.setFromPath("/foo");
TSocketAddress unix3;
unix3.setFromPath("/bar");
TSocketAddress unixAnon;
unixAnon.setFromPath("");
EXPECT_EQ(unix1, unix2);
EXPECT_EQ(unix1.hash(), unix2.hash());
EXPECT_NE(unix1, unix3);
EXPECT_NE(unix1, unixAnon);
EXPECT_NE(unix2, unix3);
EXPECT_NE(unix2, unixAnon);
// anonymous addresses aren't equal to any other address,
// including themselves
EXPECT_NE(unixAnon, unixAnon);
// It isn't strictly required that hashes for different addresses be
// different, but we should have very few collisions. It generally indicates
// a problem if these collide
EXPECT_NE(unix1.hash(), unix3.hash());
EXPECT_NE(unix1.hash(), unixAnon.hash());
EXPECT_NE(unix3.hash(), unixAnon.hash());
}