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[tests] Added tests for SRTO_MININPUTBW
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@maxsharabayko
maxsharabayko committed Feb 19, 2021
1 parent ea37146 commit bb25a02
Showing 1 changed file with 149 additions and 24 deletions.
173 changes: 149 additions & 24 deletions test/test_socket_options.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -33,13 +33,48 @@ class TestSocketOptions
// cleanup any pending stuff, but no exceptions allowed
}

public:
void StartListener()
{
// Specify address of the listener
sockaddr* psa = (sockaddr*)&m_sa;
ASSERT_NE(srt_bind(m_listen_sock, psa, sizeof m_sa), SRT_ERROR);

srt_listen(m_listen_sock, 1);
}

SRTSOCKET EstablishConnection()
{
auto accept_async = [](SRTSOCKET listen_sock) {
sockaddr_in client_address;
int length = sizeof(sockaddr_in);
const SRTSOCKET accepted_socket = srt_accept(listen_sock, (sockaddr*)&client_address, &length);
return accepted_socket;
};
auto accept_res = async(launch::async, accept_async, m_listen_sock);

sockaddr* psa = (sockaddr*)&m_sa;
const int connect_res = srt_connect(m_caller_sock, psa, sizeof m_sa);
EXPECT_EQ(connect_res, SRT_SUCCESS);

const SRTSOCKET accepted_sock = accept_res.get();
EXPECT_NE(accepted_sock, SRT_INVALID_SOCK);

return accepted_sock;
}

protected:
// SetUp() is run immediately before a test starts.
void SetUp()
{
ASSERT_GE(srt_startup(), 0);
const int yes = 1;

memset(&m_sa, 0, sizeof m_sa);
m_sa.sin_family = AF_INET;
m_sa.sin_port = htons(5200);
ASSERT_EQ(inet_pton(AF_INET, "127.0.0.1", &m_sa.sin_addr), 1);

m_caller_sock = srt_create_socket();
ASSERT_NE(m_caller_sock, SRT_INVALID_SOCK);
ASSERT_EQ(srt_setsockopt(m_caller_sock, 0, SRTO_RCVSYN, &yes, sizeof yes), SRT_SUCCESS); // for async connect
Expand All @@ -63,6 +98,7 @@ class TestSocketOptions
protected:
// put in any custom data members that you need

sockaddr_in m_sa;
SRTSOCKET m_caller_sock = SRT_INVALID_SOCK;
SRTSOCKET m_listen_sock = SRT_INVALID_SOCK;

Expand All @@ -78,30 +114,8 @@ TEST_F(TestSocketOptions, LossMaxTTL)
const int loss_max_ttl = 5;
ASSERT_EQ(srt_setsockopt(m_listen_sock, 0, SRTO_LOSSMAXTTL, &loss_max_ttl, sizeof loss_max_ttl), SRT_SUCCESS);

// Specify address
sockaddr_in sa;
memset(&sa, 0, sizeof sa);
sa.sin_family = AF_INET;
sa.sin_port = htons(5200);
ASSERT_EQ(inet_pton(AF_INET, "127.0.0.1", &sa.sin_addr), 1);
sockaddr* psa = (sockaddr*)&sa;
ASSERT_NE(srt_bind(m_listen_sock, psa, sizeof sa), SRT_ERROR);

srt_listen(m_listen_sock, 1);

auto accept_async = [](SRTSOCKET listen_sock) {
sockaddr_in client_address;
int length = sizeof(sockaddr_in);
const SRTSOCKET accepted_socket = srt_accept(listen_sock, (sockaddr*)&client_address, &length);
return accepted_socket;
};
auto accept_res = async(launch::async, accept_async, m_listen_sock);

const int connect_res = srt_connect(m_caller_sock, psa, sizeof sa);
EXPECT_EQ(connect_res, SRT_SUCCESS);

const SRTSOCKET accepted_sock = accept_res.get();
ASSERT_NE(accepted_sock, SRT_INVALID_SOCK);
StartListener();
const SRTSOCKET accepted_sock = EstablishConnection();

int opt_val = 0;
int opt_len = 0;
Expand All @@ -121,3 +135,114 @@ TEST_F(TestSocketOptions, LossMaxTTL)
}


// Try to set/get SRTO_MININPUTBW with wrong optlen
TEST_F(TestSocketOptions, MinInputBWWrongLen)
{
int64_t mininputbw = 0;
int optlen = (int)(sizeof mininputbw) - 1;
EXPECT_EQ(srt_getsockopt(m_listen_sock, 0, SRTO_MININPUTBW, &mininputbw, &optlen), SRT_ERROR);
EXPECT_EQ(srt_getlasterror(NULL), SRT_EINVPARAM);
optlen += 2;
EXPECT_EQ(srt_getsockopt(m_listen_sock, 0, SRTO_MININPUTBW, &mininputbw, &optlen), SRT_SUCCESS) << "Bigger storage is allowed";
EXPECT_EQ(optlen, (int)(sizeof mininputbw));

EXPECT_EQ(srt_setsockopt(m_listen_sock, 0, SRTO_MININPUTBW, &mininputbw, sizeof mininputbw - 1), SRT_ERROR);
EXPECT_EQ(srt_getlasterror(NULL), SRT_EINVPARAM);
EXPECT_EQ(srt_setsockopt(m_listen_sock, 0, SRTO_MININPUTBW, &mininputbw, sizeof mininputbw + 1), SRT_ERROR);
EXPECT_EQ(srt_getlasterror(NULL), SRT_EINVPARAM);
}

// Check the default SRTO_MININPUTBW is SRT_PACING_MAXBW_DEFAULT
TEST_F(TestSocketOptions, MinInputBWDefault)
{
const int mininputbw_expected = 0;
int64_t mininputbw = 1;
int optlen = (int)(sizeof mininputbw);
EXPECT_EQ(srt_getsockopt(m_listen_sock, 0, SRTO_MININPUTBW, &mininputbw, &optlen), SRT_SUCCESS);
EXPECT_EQ(optlen, (int)(sizeof mininputbw));
EXPECT_EQ(mininputbw, mininputbw_expected);

StartListener();
const SRTSOCKET accepted_sock = EstablishConnection();

// Check both listener and accepted socket have default values
for (SRTSOCKET sock : { m_listen_sock, accepted_sock })
{
optlen = (int)(sizeof mininputbw);
EXPECT_EQ(srt_getsockopt(sock, 0, SRTO_MININPUTBW, &mininputbw, &optlen), SRT_SUCCESS);
EXPECT_EQ(optlen, (int)(sizeof mininputbw));
EXPECT_EQ(mininputbw, mininputbw_expected);
}

ASSERT_NE(srt_close(accepted_sock), SRT_ERROR);
}

// Check setting and getting SRT_MININPUTBW
TEST_F(TestSocketOptions, MinInputBWSet)
{
const int64_t mininputbw_dflt = 0;
const int64_t mininputbw = 50000000;
int optlen = (int)(sizeof mininputbw);

int64_t bw = -100;
EXPECT_EQ(srt_setsockopt(m_listen_sock, 0, SRTO_MININPUTBW, &bw, sizeof bw), SRT_ERROR) << "Has to be a non-negative number";
EXPECT_EQ(srt_getsockopt(m_listen_sock, 0, SRTO_MININPUTBW, &bw, &optlen), SRT_SUCCESS);
EXPECT_EQ(bw, mininputbw_dflt);

bw = mininputbw;
EXPECT_EQ(srt_setsockopt(m_listen_sock, 0, SRTO_MININPUTBW, &bw, sizeof bw), SRT_SUCCESS);
EXPECT_EQ(srt_getsockopt(m_listen_sock, 0, SRTO_MININPUTBW, &bw, &optlen), SRT_SUCCESS);
EXPECT_EQ(bw, mininputbw);

StartListener();
const SRTSOCKET accepted_sock = EstablishConnection();

// Check accepted socket inherits values
for (SRTSOCKET sock : { m_listen_sock, accepted_sock })
{
optlen = (int)(sizeof bw);
EXPECT_EQ(srt_getsockopt(sock, 0, SRTO_MININPUTBW, &bw, &optlen), SRT_SUCCESS);
EXPECT_EQ(optlen, (int)(sizeof bw));
EXPECT_EQ(bw, mininputbw);
}

ASSERT_NE(srt_close(accepted_sock), SRT_ERROR);
}

// Check setting and getting SRTO_MININPUTBW in runtime
TEST_F(TestSocketOptions, MinInputBWRuntime)
{
const int64_t mininputbw = 50000000;

// Establish a connection
StartListener();
const SRTSOCKET accepted_sock = EstablishConnection();

// Test a connected socket
int64_t bw = mininputbw;
int optlen = (int)(sizeof bw);
EXPECT_EQ(srt_setsockopt(accepted_sock, 0, SRTO_MININPUTBW, &bw, sizeof bw), SRT_SUCCESS);
EXPECT_EQ(srt_getsockopt(accepted_sock, 0, SRTO_MININPUTBW, &bw, &optlen), SRT_SUCCESS);
EXPECT_EQ(bw, mininputbw);

bw = 0;
EXPECT_EQ(srt_setsockopt(accepted_sock, 0, SRTO_INPUTBW, &bw, sizeof bw), SRT_SUCCESS);
EXPECT_EQ(srt_getsockopt(accepted_sock, 0, SRTO_INPUTBW, &bw, &optlen), SRT_SUCCESS);
EXPECT_EQ(bw, 0);

EXPECT_EQ(srt_setsockopt(accepted_sock, 0, SRTO_MAXBW, &bw, sizeof bw), SRT_SUCCESS);
EXPECT_EQ(srt_getsockopt(accepted_sock, 0, SRTO_MAXBW, &bw, &optlen), SRT_SUCCESS);
EXPECT_EQ(bw, 0);

EXPECT_EQ(srt_getsockopt(accepted_sock, 0, SRTO_MININPUTBW, &bw, &optlen), SRT_SUCCESS);
EXPECT_EQ(bw, mininputbw);

const int64_t new_mininputbw = 20000000;
bw = new_mininputbw;
EXPECT_EQ(srt_setsockopt(accepted_sock, 0, SRTO_MININPUTBW, &bw, sizeof bw), SRT_SUCCESS);
EXPECT_EQ(srt_getsockopt(accepted_sock, 0, SRTO_MININPUTBW, &bw, &optlen), SRT_SUCCESS);
EXPECT_EQ(bw, new_mininputbw);

ASSERT_NE(srt_close(accepted_sock), SRT_ERROR);
}

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