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ntsu_socketutil.t.cpp
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// Copyright 2020-2023 Bloomberg Finance L.P.
// SPDX-License-Identifier: Apache-2.0
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include <ntscfg_test.h>
#include <bsls_ident.h>
BSLS_IDENT_RCSID(ntsu_socketutil_t_cpp, "$Id$ $CSID$")
#include <ntsu_socketutil.h>
#include <ntsu_adapterutil.h>
#include <ntsu_socketoptionutil.h>
#include <ntsu_socketutil.h>
#include <ntsu_timestamputil.h>
#if defined(BSLS_PLATFORM_OS_WINDOWS)
#ifdef NTDDI_VERSION
#undef NTDDI_VERSION
#endif
#ifdef WINVER
#undef WINVER
#endif
#ifdef _WIN32_WINNT
#undef _WIN32_WINNT
#endif
#define NTDDI_VERSION 0x06000100
#define WINVER 0x0600
#define _WIN32_WINNT 0x0600
#ifndef _WINSOCK_DEPRECATED_NO_WARNINGS
#define _WINSOCK_DEPRECATED_NO_WARNINGS
#endif
#ifndef WIN32_LEAN_AND_MEAN
#define WIN32_LEAN_AND_MEAN
#endif
// clang-format off
#include <windows.h>
// clang-format on
#endif
#if defined(BSLS_PLATFORM_OS_LINUX)
#include <linux/ethtool.h>
#include <linux/sockios.h>
#include <linux/version.h>
#include <net/if.h>
#include <sys/ioctl.h>
#endif
using namespace BloombergLP;
namespace BloombergLP {
namespace ntsu {
// Provide tests for 'ntsu::SocketUtil'.
class SocketUtilTest
{
/// This typedef defines a callback function invoked to test a particular
/// portion of the component using the specified connected 'server' and
/// 'client' having the specified stream socket 'transport', supplying
/// memory using the specified 'allocator'.
typedef bsl::function<void(ntsa::Transport::Value transport,
ntsa::Handle server,
ntsa::Handle client,
bslma::Allocator* allocator)>
StreamSocketTestCallback;
/// This typedef defines a callback function invoked to test a particular
/// portion of the component using using the specified 'server' bound to the
/// specified 'serverEndpoint' and 'client' bound to the specified
/// 'clientEndpoint', each 'client' and 'server' socket having the
/// specified 'transport', supplying
/// memory using the specified 'allocator'.
typedef bsl::function<void(ntsa::Transport::Value transport,
ntsa::Handle server,
const ntsa::Endpoint& serverEndpoint,
ntsa::Handle client,
const ntsa::Endpoint& clientEndpoint,
bslma::Allocator* allocator)>
DatagramSocketTestCallback;
// Provide a in-core storage of bytes.
template <unsigned N>
class Storage;
#if defined(BSLS_PLATFORM_OS_LINUX)
// Return the native flags indicating timestamping support for the
// specified 'socket'.
static bsl::uint32_t timestampingSupport(ntsa::Handle socket);
#endif
// Return true if the specified 'socket' supports RX timestamps.
static bool supportsRxTimestamps(ntsa::Handle socket);
// Return true if the specified 'socket' supports TX timestamps.
static bool supportsTxTimestamps(ntsa::Handle socket);
// Load into the specified 'result' the zero-copy notifications for the
// specified 'handle'.
static void extractZeroCopyNotifications(bsl::list<ntsa::ZeroCopy>* result,
ntsa::Handle handle,
bslma::Allocator* allocator);
// Load into the specified 'result' the timestamp notifications for the
// specified 'handle'.
static void extractTimestampNotifications(
bsl::list<ntsa::Timestamp>* result,
ntsa::Handle handle,
bslma::Allocator* allocator);
// Load into the specified 'result' the notifications for the specified
// 'handle'.
static void extractNotifications(bsl::list<ntsa::Notification>* result,
ntsa::Handle handle,
bslma::Allocator* allocator);
// Execute the specified 'test'.
static void executeStreamSocketTest(const StreamSocketTestCallback& test,
bslma::Allocator* basicAllocator = 0);
// Execute the specified 'test'.
static void executeDatagramSocketTest(
const DatagramSocketTestCallback& test,
bslma::Allocator* basicAllocator = 0);
static void testStreamSocketTransmissionSingleBuffer(
ntsa::Transport::Value transport,
ntsa::Handle server,
ntsa::Handle client,
bslma::Allocator* allocator);
static void testStreamSocketTransmissionSingleBufferWithControlMsg(
ntsa::Transport::Value transport,
ntsa::Handle server,
ntsa::Handle client,
bslma::Allocator* allocator);
static void testStreamSocketTransmissionMultipleBuffers(
ntsa::Transport::Value transport,
ntsa::Handle server,
ntsa::Handle client,
bslma::Allocator* allocator);
static void testStreamSocketTransmissionBlob(
ntsa::Transport::Value transport,
ntsa::Handle server,
ntsa::Handle client,
bslma::Allocator* allocator);
static void testStreamSocketTransmissionBlobWithControlMsg(
ntsa::Transport::Value transport,
ntsa::Handle server,
ntsa::Handle client,
bslma::Allocator* allocator);
static void testStreamSocketTransmissionWithControlMsgDropped(
ntsa::Transport::Value transport,
ntsa::Handle server,
ntsa::Handle client,
bslma::Allocator* allocator);
static void testStreamSocketTransmissionFile(
ntsa::Transport::Value transport,
ntsa::Handle server,
ntsa::Handle client,
bslma::Allocator* allocator);
static void testDatagramSocketTransmissionSingleBuffer(
ntsa::Transport::Value transport,
ntsa::Handle server,
const ntsa::Endpoint& serverEndpoint,
ntsa::Handle client,
const ntsa::Endpoint& clientEndpoint,
bslma::Allocator* allocator);
static void testDatagramSocketTransmissionSingleBufferWithControlMsg(
ntsa::Transport::Value transport,
ntsa::Handle server,
const ntsa::Endpoint& serverEndpoint,
ntsa::Handle client,
const ntsa::Endpoint& clientEndpoint,
bslma::Allocator* allocator);
static void testDatagramSocketTransmissionMultipleBuffers(
ntsa::Transport::Value transport,
ntsa::Handle server,
const ntsa::Endpoint& serverEndpoint,
ntsa::Handle client,
const ntsa::Endpoint& clientEndpoint,
bslma::Allocator* allocator);
static void testDatagramSocketTransmissionBlob(
ntsa::Transport::Value transport,
ntsa::Handle server,
const ntsa::Endpoint& serverEndpoint,
ntsa::Handle client,
const ntsa::Endpoint& clientEndpoint,
bslma::Allocator* allocator);
static void testDatagramSocketTransmissionBlobWithControlMsg(
ntsa::Transport::Value transport,
ntsa::Handle server,
const ntsa::Endpoint& serverEndpoint,
ntsa::Handle client,
const ntsa::Endpoint& clientEndpoint,
bslma::Allocator* allocator);
static void testDatagramSocketTransmissionWithControlMsgDropped(
ntsa::Transport::Value transport,
ntsa::Handle server,
const ntsa::Endpoint& serverEndpoint,
ntsa::Handle client,
const ntsa::Endpoint& clientEndpoint,
bslma::Allocator* allocator);
static void testDatagramSocketTransmissionSingleMessage(
ntsa::Transport::Value transport,
ntsa::Handle server,
const ntsa::Endpoint& serverEndpoint,
ntsa::Handle client,
const ntsa::Endpoint& clientEndpoint,
bslma::Allocator* allocator);
static void testDatagramSocketTransmissionMultipleMessages(
ntsa::Transport::Value transport,
ntsa::Handle server,
const ntsa::Endpoint& serverEndpoint,
ntsa::Handle client,
const ntsa::Endpoint& clientEndpoint,
bslma::Allocator* allocator);
static void testStreamSocketMsgZeroCopy(ntsa::Transport::Value transport,
ntsa::Handle server,
ntsa::Handle client,
bslma::Allocator* allocator);
static void testDatagramSocketTxTimestamps(
ntsa::Transport::Value transport,
ntsa::Handle server,
const ntsa::Endpoint& serverEndpoint,
ntsa::Handle client,
const ntsa::Endpoint& clientEndpoint,
bslma::Allocator* allocator);
static void testStreamSocketTxTimestamps(ntsa::Transport::Value transport,
ntsa::Handle server,
ntsa::Handle client,
bslma::Allocator* allocator);
static void testDatagramSocketTxTimestampsAndZeroCopy(
ntsa::Transport::Value transport,
ntsa::Handle server,
const ntsa::Endpoint& serverEndpoint,
ntsa::Handle client,
const ntsa::Endpoint& clientEndpoint,
bslma::Allocator* allocator);
static void testStreamSocketTxTimestampsAndZeroCopy(
ntsa::Transport::Value transport,
ntsa::Handle server,
ntsa::Handle client,
bslma::Allocator* allocator);
static void testStreamSocketReceiveNotifications(
ntsa::Transport::Value transport,
ntsa::Handle server,
ntsa::Handle client,
bslma::Allocator* allocator);
static void testDatagramSocketReceiveNotifications(
ntsa::Transport::Value transport,
ntsa::Handle server,
const ntsa::Endpoint& serverEndpoint,
ntsa::Handle client,
const ntsa::Endpoint& clientEndpoint,
bslma::Allocator* allocator);
public:
// TODO
static void verifyCase1();
// TODO
static void verifyCase2();
// TODO
static void verifyCase3();
// TODO
static void verifyCase4();
// TODO
static void verifyCase5();
// TODO
static void verifyCase6();
// TODO
static void verifyCase7();
// TODO
static void verifyCase8();
// TODO
static void verifyCase9();
// TODO
static void verifyCase10();
// TODO
static void verifyCase11();
// TODO
static void verifyCase12();
// TODO
static void verifyCase13();
// TODO
static void verifyCase14();
// TODO
static void verifyCase15();
// TODO
static void verifyCase16();
// TODO
static void verifyCase17();
// TODO
static void verifyCase18();
// TODO
static void verifyCase19();
// TODO
static void verifyCase20();
// TODO
static void verifyCase21();
// TODO
static void verifyCase22();
// TODO
static void verifyCase23();
// TODO
static void verifyCase24();
// TODO
static void verifyCase25();
// TODO
static void verifyCase26();
// TODO
static void verifyCase27();
// TODO
static void verifyCase28();
// TODO
static void verifyCase29();
// TODO
static void verifyCase30();
// TODO
static void verifyCase31();
// TODO
static void verifyCase32();
// TODO
static void verifyCase33();
// TODO
static void verifyCase34();
};
/// Provide a in-core storage of bytes.
template <unsigned N>
class SocketUtilTest::Storage
{
char d_buffer[N];
public:
char* data()
{
return d_buffer;
}
bsl::size_t size() const
{
return N;
}
};
#if defined(BSLS_PLATFORM_OS_LINUX)
bsl::uint32_t SocketUtilTest::timestampingSupport(ntsa::Handle socket)
{
ntsa::Error error;
int rc;
struct ::ethtool_ts_info info;
bsl::memset(&info, 0, sizeof info);
info.cmd = ETHTOOL_GET_TS_INFO;
struct ::ifreq ifr;
bsl::memset(&ifr, 0, sizeof ifr);
bsl::strcpy(ifr.ifr_ifrn.ifrn_name, "lo");
ifr.ifr_ifru.ifru_data = reinterpret_cast<char*>(&info);
rc = ::ioctl(socket, SIOCETHTOOL, &ifr);
if (rc != 0) {
error = ntsa::Error(errno);
BSLS_LOG_DEBUG("I/O control SIOCETHTOOL failed: %s",
error.text().c_str());
return 0;
}
return static_cast<bsl::uint32_t>(info.so_timestamping);
}
bool SocketUtilTest::supportsRxTimestamps(ntsa::Handle socket)
{
const bsl::uint32_t flags = timestampingSupport(socket);
return (flags & ntsu::TimestampUtil::e_SOF_TIMESTAMPING_RX_SOFTWARE) != 0;
}
bool SocketUtilTest::supportsTxTimestamps(ntsa::Handle socket)
{
const bsl::uint32_t flags = timestampingSupport(socket);
return (flags & ntsu::TimestampUtil::e_SOF_TIMESTAMPING_TX_SOFTWARE) != 0;
}
#else
bool SocketUtilTest::supportsRxTimestamps(ntsa::Handle socket)
{
NTSCFG_WARNING_UNUSED(socket);
return false;
}
bool SocketUtilTest::supportsTxTimestamps(ntsa::Handle socket)
{
NTSCFG_WARNING_UNUSED(socket);
return false;
}
#endif
void SocketUtilTest::extractZeroCopyNotifications(
bsl::list<ntsa::ZeroCopy>* result,
ntsa::Handle handle,
bslma::Allocator* allocator)
{
ntsa::NotificationQueue notifications(allocator);
notifications.setHandle(handle);
ntsa::Error error =
ntsu::SocketUtil::receiveNotifications(¬ifications, handle);
NTSCFG_TEST_OK(error);
NTSCFG_TEST_LOG_DEBUG << notifications << NTSCFG_TEST_LOG_END;
for (bsl::vector<ntsa::Notification>::const_iterator it =
notifications.notifications().cbegin();
it != notifications.notifications().cend();
++it)
{
NTSCFG_TEST_TRUE(it->isZeroCopy());
result->push_back(it->zeroCopy());
}
}
void SocketUtilTest::extractTimestampNotifications(
bsl::list<ntsa::Timestamp>* result,
ntsa::Handle handle,
bslma::Allocator* allocator)
{
ntsa::NotificationQueue notifications(allocator);
notifications.setHandle(handle);
ntsa::Error error =
ntsu::SocketUtil::receiveNotifications(¬ifications, handle);
NTSCFG_TEST_OK(error);
NTSCFG_TEST_LOG_DEBUG << notifications << NTSCFG_TEST_LOG_END;
for (bsl::vector<ntsa::Notification>::const_iterator it =
notifications.notifications().cbegin();
it != notifications.notifications().cend();
++it)
{
NTSCFG_TEST_TRUE(it->isTimestamp());
result->push_back(it->timestamp());
}
}
void SocketUtilTest::extractNotifications(
bsl::list<ntsa::Notification>* result,
ntsa::Handle handle,
bslma::Allocator* allocator)
{
ntsa::NotificationQueue notifications(allocator);
notifications.setHandle(handle);
ntsa::Error error =
ntsu::SocketUtil::receiveNotifications(¬ifications, handle);
NTSCFG_TEST_OK(error);
NTSCFG_TEST_LOG_DEBUG << notifications << NTSCFG_TEST_LOG_END;
for (bsl::vector<ntsa::Notification>::const_iterator it =
notifications.notifications().cbegin();
it != notifications.notifications().cend();
++it)
{
result->push_back(*it);
}
}
void SocketUtilTest::executeStreamSocketTest(
const StreamSocketTestCallback& test,
bslma::Allocator* basicAllocator)
{
// Execute the specified stream socket 'test'.
bslma::Allocator* allocator = bslma::Default::allocator(basicAllocator);
ntsa::Error error;
bsl::vector<ntsa::Transport::Value> socketTypes;
if (ntsu::AdapterUtil::supportsTransport(
ntsa::Transport::e_TCP_IPV4_STREAM))
{
socketTypes.push_back(ntsa::Transport::e_TCP_IPV4_STREAM);
}
if (ntsu::AdapterUtil::supportsTransport(
ntsa::Transport::e_TCP_IPV6_STREAM))
{
socketTypes.push_back(ntsa::Transport::e_TCP_IPV6_STREAM);
}
if (ntsu::AdapterUtil::supportsTransport(ntsa::Transport::e_LOCAL_STREAM))
{
socketTypes.push_back(ntsa::Transport::e_LOCAL_STREAM);
}
for (bsl::size_t i = 0; i < socketTypes.size(); ++i) {
ntsa::Transport::Value transport = socketTypes[i];
// Create a blocking socket, bind it to any port on the loopback
// address, then begin listening for connections.
ntsa::Handle listener;
error = ntsu::SocketUtil::create(&listener, transport);
NTSCFG_TEST_ASSERT(!error);
if (transport == ntsa::Transport::e_TCP_IPV4_STREAM) {
error = ntsu::SocketUtil::bind(
ntsa::Endpoint(ntsa::Ipv4Address::loopback(), 0),
false,
listener);
NTSCFG_TEST_ASSERT(!error);
}
else if (transport == ntsa::Transport::e_TCP_IPV6_STREAM) {
error = ntsu::SocketUtil::bind(
ntsa::Endpoint(ntsa::Ipv6Address::loopback(), 0),
false,
listener);
NTSCFG_TEST_ASSERT(!error);
}
else if (transport == ntsa::Transport::e_LOCAL_STREAM) {
ntsa::LocalName localName;
error = ntsa::LocalName::generateUnique(&localName);
NTSCFG_TEST_ASSERT(!error);
error = ntsu::SocketUtil::bind(ntsa::Endpoint(localName),
false,
listener);
NTSCFG_TEST_ASSERT(!error);
}
else {
NTSCFG_TEST_TRUE(false);
}
error = ntsu::SocketUtil::listen(1, listener);
NTSCFG_TEST_ASSERT(!error);
// Create a blocking socket for the client, then connect that socket to
// the listener socket's local endpoint.
ntsa::Handle client;
error = ntsu::SocketUtil::create(&client, transport);
NTSCFG_TEST_ASSERT(!error);
ntsa::Endpoint listenerEndpoint;
error = ntsu::SocketUtil::sourceEndpoint(&listenerEndpoint, listener);
NTSCFG_TEST_ASSERT(!error);
error = ntsu::SocketUtil::connect(listenerEndpoint, client);
NTSCFG_TEST_ASSERT(!error);
// Create a blocking socket for the server by accepting the connection
// made to the listener socket.
ntsa::Handle server;
error = ntsu::SocketUtil::accept(&server, listener);
NTSCFG_TEST_ASSERT(!error);
// Execute the test.
test(transport, server, client, allocator);
// Shutdown writing by the client socket.
error = ntsu::SocketUtil::shutdown(ntsa::ShutdownType::e_SEND, client);
NTSCFG_TEST_ASSERT(!error);
// Dequeue incoming data received by the server socket, and observe
// that zero bytes are successfully dequeued, indicating the client
// socket has shut down writing from its side of the connection.
{
char buffer;
ntsa::ReceiveContext context;
ntsa::ReceiveOptions options;
ntsa::Data data(ntsa::MutableBuffer(&buffer, 1));
error =
ntsu::SocketUtil::receive(&context, &data, options, server);
NTSCFG_TEST_ASSERT(!error);
NTSCFG_TEST_ASSERT(context.bytesReceivable() == 1);
NTSCFG_TEST_ASSERT(context.bytesReceived() == 0);
}
// Shutdown writing by the server socket.
error = ntsu::SocketUtil::shutdown(ntsa::ShutdownType::e_SEND, server);
NTSCFG_TEST_ASSERT(!error);
// Dequeue incoming data received by the client socket, and observe
// that zero bytes are successfully dequeued, indicating the server
// socket has shut down writing from its side of the connection.
{
char buffer;
ntsa::ReceiveContext context;
ntsa::ReceiveOptions options;
ntsa::Data data(ntsa::MutableBuffer(&buffer, 1));
error =
ntsu::SocketUtil::receive(&context, &data, options, client);
NTSCFG_TEST_ASSERT(!error);
NTSCFG_TEST_ASSERT(context.bytesReceivable() == 1);
NTSCFG_TEST_ASSERT(context.bytesReceived() == 0);
}
// Close each socket.
error = ntsu::SocketUtil::close(listener);
NTSCFG_TEST_ASSERT(!error);
error = ntsu::SocketUtil::close(client);
NTSCFG_TEST_ASSERT(!error);
error = ntsu::SocketUtil::close(server);
NTSCFG_TEST_ASSERT(!error);
}
}
void SocketUtilTest::executeDatagramSocketTest(
const DatagramSocketTestCallback& test,
bslma::Allocator* basicAllocator)
{
// Execute the specified datagram socket 'test'.
bslma::Allocator* allocator = bslma::Default::allocator(basicAllocator);
ntsa::Error error;
bsl::vector<ntsa::Transport::Value> socketTypes;
if (ntsu::AdapterUtil::supportsTransport(
ntsa::Transport::e_UDP_IPV4_DATAGRAM))
{
socketTypes.push_back(ntsa::Transport::e_UDP_IPV4_DATAGRAM);
}
if (ntsu::AdapterUtil::supportsTransport(
ntsa::Transport::e_UDP_IPV6_DATAGRAM))
{
socketTypes.push_back(ntsa::Transport::e_UDP_IPV6_DATAGRAM);
}
if (ntsu::AdapterUtil::supportsTransport(
ntsa::Transport::e_LOCAL_DATAGRAM))
{
socketTypes.push_back(ntsa::Transport::e_LOCAL_DATAGRAM);
}
for (bsl::size_t i = 0; i < socketTypes.size(); ++i) {
ntsa::Transport::Value transport = socketTypes[i];
// Create a blocking socket for the server and bind it to any port on
// the loopback address.
ntsa::Handle server;
error = ntsu::SocketUtil::create(&server, transport);
NTSCFG_TEST_ASSERT(!error);
if (transport == ntsa::Transport::e_UDP_IPV4_DATAGRAM) {
error = ntsu::SocketUtil::bind(
ntsa::Endpoint(ntsa::Ipv4Address::loopback(), 0),
false,
server);
NTSCFG_TEST_ASSERT(!error);
}
else if (transport == ntsa::Transport::e_UDP_IPV6_DATAGRAM) {
error = ntsu::SocketUtil::bind(
ntsa::Endpoint(ntsa::Ipv6Address::loopback(), 0),
false,
server);
NTSCFG_TEST_ASSERT(!error);
}
else if (transport == ntsa::Transport::e_LOCAL_DATAGRAM) {
ntsa::LocalName localName;
error = ntsa::LocalName::generateUnique(&localName);
NTSCFG_TEST_ASSERT(!error);
error = ntsu::SocketUtil::bind(ntsa::Endpoint(localName),
false,
server);
NTSCFG_TEST_ASSERT(!error);
}
else {
NTSCFG_TEST_TRUE(false);
}
ntsa::Endpoint serverEndpoint;
error = ntsu::SocketUtil::sourceEndpoint(&serverEndpoint, server);
NTSCFG_TEST_ASSERT(!error);
// Create a blocking socket for the client and bind it to any port on
// the loopback address.
ntsa::Handle client;
error = ntsu::SocketUtil::create(&client, transport);
NTSCFG_TEST_ASSERT(!error);
if (transport == ntsa::Transport::e_UDP_IPV4_DATAGRAM) {
error = ntsu::SocketUtil::bind(
ntsa::Endpoint(ntsa::Ipv4Address::loopback(), 0),
false,
client);
NTSCFG_TEST_ASSERT(!error);
}
else if (transport == ntsa::Transport::e_UDP_IPV6_DATAGRAM) {
error = ntsu::SocketUtil::bind(
ntsa::Endpoint(ntsa::Ipv6Address::loopback(), 0),
false,
client);
NTSCFG_TEST_ASSERT(!error);
}
else if (transport == ntsa::Transport::e_LOCAL_DATAGRAM) {
ntsa::LocalName localName;
error = ntsa::LocalName::generateUnique(&localName);
NTSCFG_TEST_ASSERT(!error);
error = ntsu::SocketUtil::bind(ntsa::Endpoint(localName),
false,
client);
NTSCFG_TEST_ASSERT(!error);
}
else {
NTSCFG_TEST_TRUE(false);
}
ntsa::Endpoint clientEndpoint;
error = ntsu::SocketUtil::sourceEndpoint(&clientEndpoint, client);
NTSCFG_TEST_ASSERT(!error);
// Execute the test.
test(transport,
server,
serverEndpoint,
client,
clientEndpoint,
allocator);
// Close each socket.
error = ntsu::SocketUtil::close(client);
NTSCFG_TEST_ASSERT(!error);
error = ntsu::SocketUtil::close(server);
NTSCFG_TEST_ASSERT(!error);
}
}
void SocketUtilTest::testStreamSocketTransmissionSingleBuffer(
ntsa::Transport::Value transport,
ntsa::Handle server,
ntsa::Handle client,
bslma::Allocator* allocator)
{
NTSCFG_TEST_LOG_DEBUG << "Testing " << transport << ": send/recv"
<< NTSCFG_TEST_LOG_END;
ntsa::Error error;
char DATA[] = "Hello, world!";
char clientBuffer[sizeof DATA - 1];
char serverBuffer[sizeof DATA - 1];
bsl::memcpy(clientBuffer, DATA, sizeof DATA - 1);
// Enqueue outgoing data to transmit by the client socket.
{
ntsa::SendContext context;
ntsa::SendOptions options;
ntsa::Data data(ntsa::ConstBuffer(clientBuffer, sizeof clientBuffer));
error = ntsu::SocketUtil::send(&context, data, options, client);
NTSCFG_TEST_ASSERT(!error);
NTSCFG_TEST_ASSERT(context.bytesSendable() == sizeof clientBuffer);
NTSCFG_TEST_ASSERT(context.bytesSent() == sizeof clientBuffer);
}
// Dequeue incoming data received by the server socket.
{
ntsa::ReceiveContext context;
ntsa::ReceiveOptions options;
ntsa::Data data(
ntsa::MutableBuffer(serverBuffer, sizeof serverBuffer));
error = ntsu::SocketUtil::receive(&context, &data, options, server);
NTSCFG_TEST_ASSERT(!error);
NTSCFG_TEST_ASSERT(context.bytesReceivable() == sizeof serverBuffer);
NTSCFG_TEST_ASSERT(context.bytesReceived() == sizeof serverBuffer);
NTSCFG_TEST_ASSERT(
bsl::memcmp(serverBuffer, clientBuffer, sizeof clientBuffer) == 0);
}
}
void SocketUtilTest::testStreamSocketTransmissionSingleBufferWithControlMsg(
ntsa::Transport::Value transport,
ntsa::Handle server,
ntsa::Handle client,
bslma::Allocator* allocator)
{
if (transport != ntsa::Transport::e_LOCAL_STREAM) {
return;
}
NTSCFG_TEST_LOG_DEBUG << "Testing " << transport << ": send/recv "
<< "with ancillary data" << NTSCFG_TEST_LOG_END;
ntsa::Error error;
char DATA[] = "Hello, world!";
char clientBuffer[sizeof DATA - 1];
char serverBuffer[sizeof DATA - 1];
bsl::memcpy(clientBuffer, DATA, sizeof DATA - 1);
ntsa::Handle domesticSocket;
error = ntsu::SocketUtil::create(&domesticSocket, transport);
NTSCFG_TEST_ASSERT(!error);
error = ntsu::SocketUtil::bind(
ntsa::Endpoint(ntsa::LocalName::generateUnique()),
false,
domesticSocket);
NTSCFG_TEST_ASSERT(!error);
ntsa::Endpoint domesticSourceEndpoint;
error = ntsu::SocketUtil::sourceEndpoint(&domesticSourceEndpoint,
domesticSocket);
NTSCFG_TEST_ASSERT(!error);
// Enqueue outgoing data to transmit by the client socket.
{
ntsa::SendContext context;
ntsa::SendOptions options;
options.setForeignHandle(domesticSocket);
ntsa::Data data(ntsa::ConstBuffer(clientBuffer, sizeof clientBuffer));
error = ntsu::SocketUtil::send(&context, data, options, client);
NTSCFG_TEST_ASSERT(!error);
NTSCFG_TEST_ASSERT(context.bytesSendable() == sizeof clientBuffer);
NTSCFG_TEST_ASSERT(context.bytesSent() == sizeof clientBuffer);
}
// Dequeue incoming data received by the server socket.
{
ntsa::ReceiveContext context;
ntsa::ReceiveOptions options;
options.showForeignHandles();
ntsa::Data data(
ntsa::MutableBuffer(serverBuffer, sizeof serverBuffer));
error = ntsu::SocketUtil::receive(&context, &data, options, server);
NTSCFG_TEST_ASSERT(!error);
NTSCFG_TEST_ASSERT(context.bytesReceivable() == sizeof serverBuffer);
NTSCFG_TEST_ASSERT(context.bytesReceived() == sizeof serverBuffer);
NTSCFG_TEST_ASSERT(
bsl::memcmp(serverBuffer, clientBuffer, sizeof clientBuffer) == 0);
NTSCFG_TEST_TRUE(!context.foreignHandle().isNull());
ntsa::Endpoint foreignSourceEndpoint;
error =
ntsu::SocketUtil::sourceEndpoint(&foreignSourceEndpoint,
context.foreignHandle().value());
NTSCFG_TEST_ASSERT(!error);
NTSCFG_TEST_EQ(foreignSourceEndpoint, domesticSourceEndpoint);
error = ntsu::SocketUtil::close(domesticSocket);
NTSCFG_TEST_ASSERT(!error);
error = ntsu::SocketUtil::close(context.foreignHandle().value());
NTSCFG_TEST_ASSERT(!error);
}
}
void SocketUtilTest::testStreamSocketTransmissionMultipleBuffers(
ntsa::Transport::Value transport,
ntsa::Handle server,
ntsa::Handle client,
bslma::Allocator* allocator)
{
NTSCFG_TEST_LOG_DEBUG << "Testing " << transport << ": writev/readv"
<< NTSCFG_TEST_LOG_END;
ntsa::Error error;
char DATA[] = "123456789";
char clientBuffer0[sizeof DATA - 1];
char clientBuffer1[sizeof DATA - 1];
char clientBuffer2[sizeof DATA - 1];
char serverBuffer0[sizeof DATA - 1];
char serverBuffer1[sizeof DATA - 1];
char serverBuffer2[sizeof DATA - 1];
bsl::memcpy(clientBuffer0, DATA + 0, 3);
bsl::memcpy(clientBuffer1, DATA + 3, 3);
bsl::memcpy(clientBuffer2, DATA + 6, 3);
ntsa::ConstBuffer clientBufferArray[3];
clientBufferArray[0].setBuffer(clientBuffer0, 3);
clientBufferArray[1].setBuffer(clientBuffer1, 3);
clientBufferArray[2].setBuffer(clientBuffer2, 3);