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/* $Id$ */
/** @file
* IPRT testcase - TCP.
*/
/*
* Copyright (C) 2010-2022 Oracle and/or its affiliates.
*
* This file is part of VirtualBox base platform packages, as
* available from https://www.virtualbox.org.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation, in version 3 of the
* License.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <https://www.gnu.org/licenses>.
*
* The contents of this file may alternatively be used under the terms
* of the Common Development and Distribution License Version 1.0
* (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
* in the VirtualBox distribution, in which case the provisions of the
* CDDL are applicable instead of those of the GPL.
*
* You may elect to license modified versions of this file under the
* terms and conditions of either the GPL or the CDDL or both.
*
* SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
*/
/*********************************************************************************************************************************
* Header Files *
*********************************************************************************************************************************/
#include <iprt/tcp.h>
#include <iprt/err.h>
#include <iprt/string.h>
#include <iprt/test.h>
/*********************************************************************************************************************************
* Global Variables *
*********************************************************************************************************************************/
static RTTEST g_hTest;
/* * * * * * * * Test 3 * * * * * * * */
static DECLCALLBACK(int) test3Server(RTSOCKET hSocket, void *pvUser)
{
RT_NOREF_PV(pvUser);
RTTestSetDefault(g_hTest, NULL);
char szBuf[4096];
/* say hello */
RTTESTI_CHECK_RC_RET(RTTcpWrite(hSocket, "hello\n", sizeof("hello\n") - 1), VINF_SUCCESS, VERR_TCP_SERVER_STOP);
RT_ZERO(szBuf);
RTTESTI_CHECK_RC_RET(RTTcpRead(hSocket, szBuf, sizeof("dude!\n") - 1, NULL), VINF_SUCCESS, VERR_TCP_SERVER_STOP);
szBuf[sizeof("dude!\n") - 1] = '\0';
RTTESTI_CHECK_RET(strcmp(szBuf, "dude!\n") == 0, VERR_TCP_SERVER_STOP);
/* Send ~20 MB of data that the client receives while trying to disconnect. */
RT_ZERO(szBuf);
size_t cbSent = 0;
while (cbSent < 20 * _1M)
{
RTTESTI_CHECK_RC_RET(RTTcpWrite(hSocket, szBuf, sizeof(szBuf)), VINF_SUCCESS, VERR_TCP_SERVER_STOP);
cbSent += sizeof(szBuf);
}
return VERR_TCP_SERVER_STOP;
}
void test3()
{
RTTestSub(g_hTest, "Graceful disconnect");
uint32_t cStartErrors = RTTestErrorCount(g_hTest);
for (unsigned i = 0; i < 100 && cStartErrors == RTTestErrorCount(g_hTest); i++)
{
PRTTCPSERVER pServer;
int rc = RTTcpServerCreate("localhost", 9999, RTTHREADTYPE_DEFAULT, "server-2", test3Server, NULL, &pServer);
#if defined(RT_OS_SOLARIS) || defined(RT_OS_LINUX)
/** @todo testboxsh1 occationally hits this for some stupid reason. i=21 in
* one occurrence. Fudge a bit for now and see if it helps.
* Same for testboxopt, i=98 in another case. */
if (rc == VERR_NET_ADDRESS_IN_USE)
{
RTThreadSleep(500);
rc = RTTcpServerCreate("localhost", 9999, RTTHREADTYPE_DEFAULT, "server-2", test3Server, NULL, &pServer);
}
#endif
if (rc != VINF_SUCCESS)
{
RTTestIFailed("RTTcpServerCreate -> %Rrc, i=%d", rc, i);
return;
}
RTSOCKET hSocket;
RTTESTI_CHECK_RC(rc = RTTcpClientConnect("localhost", 9999, &hSocket), VINF_SUCCESS);
if (RT_SUCCESS(rc))
{
char szBuf[512];
RT_ZERO(szBuf);
do /* break non-loop */
{
RTTESTI_CHECK_RC_BREAK(RTTcpRead(hSocket, szBuf, sizeof("hello\n") - 1, NULL), VINF_SUCCESS);
RTTESTI_CHECK_BREAK(strcmp(szBuf, "hello\n") == 0);
RTTESTI_CHECK_RC_BREAK(RTTcpWrite(hSocket, "dude!\n", sizeof("dude!\n") - 1), VINF_SUCCESS);
} while (0);
RTTESTI_CHECK_RC(RTTcpClientClose(hSocket), VINF_SUCCESS);
}
RTTESTI_CHECK_RC(RTTcpServerDestroy(pServer), VINF_SUCCESS);
}
}
/* * * * * * * * Test 2 * * * * * * * */
static DECLCALLBACK(int) test2Server(RTSOCKET hSocket, void *pvUser)
{
RT_NOREF_PV(pvUser);
RTTestSetDefault(g_hTest, NULL);
char szBuf[512];
/* say hello */
RTTESTI_CHECK_RC_RET(RTTcpWrite(hSocket, "hello\n", sizeof("hello\n") - 1), VINF_SUCCESS, VERR_TCP_SERVER_STOP);
RT_ZERO(szBuf);
RTTESTI_CHECK_RC_RET(RTTcpRead(hSocket, szBuf, sizeof("dude!\n") - 1, NULL), VINF_SUCCESS, VERR_TCP_SERVER_STOP);
szBuf[sizeof("dude!\n") - 1] = '\0';
RTTESTI_CHECK_RET(strcmp(szBuf, "dude!\n") == 0, VERR_TCP_SERVER_STOP);
/* wait for a goodbye which doesn't arrive. */
RT_ZERO(szBuf);
RTTESTI_CHECK_RC_RET(RTTcpRead(hSocket, szBuf, sizeof("byebye\n") - 1, NULL), VERR_NET_SHUTDOWN, VERR_TCP_SERVER_STOP);
return VERR_TCP_SERVER_STOP;
}
void test2()
{
RTTestSub(g_hTest, "Rude client");
PRTTCPSERVER pServer;
RTTESTI_CHECK_RC_RETV(RTTcpServerCreate("localhost", 9999, RTTHREADTYPE_DEFAULT, "server-2",
test2Server, NULL, &pServer), VINF_SUCCESS);
int rc;
RTSOCKET hSocket;
RTTESTI_CHECK_RC(rc = RTTcpClientConnect("localhost", 9999, &hSocket), VINF_SUCCESS);
if (RT_SUCCESS(rc))
{
char szBuf[512];
RT_ZERO(szBuf);
do /* break non-loop */
{
RTTESTI_CHECK_RC_BREAK(RTTcpRead(hSocket, szBuf, sizeof("hello\n") - 1, NULL), VINF_SUCCESS);
RTTESTI_CHECK_BREAK(strcmp(szBuf, "hello\n") == 0);
RTTESTI_CHECK_RC_BREAK(RTTcpWrite(hSocket, "dude!\n", sizeof("dude!\n") - 1), VINF_SUCCESS);
} while (0);
RTTESTI_CHECK_RC(RTTcpClientClose(hSocket), VINF_SUCCESS);
}
RTTESTI_CHECK_RC(RTTcpServerDestroy(pServer), VINF_SUCCESS);
}
/* * * * * * * * Test 1 * * * * * * * */
static DECLCALLBACK(int) test1Server(RTSOCKET hSocket, void *pvUser)
{
RTTestSetDefault(g_hTest, NULL);
char szBuf[512];
RTTESTI_CHECK_RET(pvUser == NULL, VERR_TCP_SERVER_STOP);
/* say hello */
RTTESTI_CHECK_RC_RET(RTTcpWrite(hSocket, "hello\n", sizeof("hello\n") - 1), VINF_SUCCESS, VERR_TCP_SERVER_STOP);
RTTESTI_CHECK_RC_RET(RTTcpRead(hSocket, szBuf, sizeof("dude!\n") - 1, NULL), VINF_SUCCESS, VERR_TCP_SERVER_STOP);
szBuf[sizeof("dude!\n") - 1] = '\0';
RTTESTI_CHECK_RET(strcmp(szBuf, "dude!\n") == 0, VERR_TCP_SERVER_STOP);
/* say goodbye */
RTTESTI_CHECK_RC_RET(RTTcpRead(hSocket, szBuf, sizeof("byebye\n") - 1, NULL), VINF_SUCCESS, VERR_TCP_SERVER_STOP);
szBuf[sizeof("byebye\n") - 1] = '\0';
RTTESTI_CHECK_RET(strcmp(szBuf, "byebye\n") == 0, VERR_TCP_SERVER_STOP);
RTTESTI_CHECK_RC_RET(RTTcpWrite(hSocket, "bye\n", sizeof("bye\n") - 1), VINF_SUCCESS, VERR_TCP_SERVER_STOP);
return VERR_TCP_SERVER_STOP;
}
void test1()
{
RTTestSub(g_hTest, "Simple server-client setup");
PRTTCPSERVER pServer;
RTTESTI_CHECK_RC_RETV(RTTcpServerCreate("localhost", 9999, RTTHREADTYPE_DEFAULT, "server-1",
test1Server, NULL, &pServer), VINF_SUCCESS);
int rc;
RTSOCKET hSocket;
RTTESTI_CHECK_RC(rc = RTTcpClientConnect("localhost", 9999, &hSocket), VINF_SUCCESS);
if (RT_SUCCESS(rc))
{
do /* break non-loop */
{
char szBuf[512];
RT_ZERO(szBuf);
RTTESTI_CHECK_RC_BREAK(RTTcpRead(hSocket, szBuf, sizeof("hello\n") - 1, NULL), VINF_SUCCESS);
RTTESTI_CHECK_BREAK(strcmp(szBuf, "hello\n") == 0);
RTTESTI_CHECK_RC_BREAK(RTTcpWrite(hSocket, "dude!\n", sizeof("dude!\n") - 1), VINF_SUCCESS);
RTTESTI_CHECK_RC_BREAK(RTTcpWrite(hSocket, "byebye\n", sizeof("byebye\n") - 1), VINF_SUCCESS);
RT_ZERO(szBuf);
RTTESTI_CHECK_RC_BREAK(RTTcpRead(hSocket, szBuf, sizeof("bye\n") - 1, NULL), VINF_SUCCESS);
RTTESTI_CHECK_BREAK(strcmp(szBuf, "bye\n") == 0);
} while (0);
RTTESTI_CHECK_RC(RTTcpClientClose(hSocket), VINF_SUCCESS);
}
RTTESTI_CHECK_RC(RTTcpServerDestroy(pServer), VINF_SUCCESS);
}
int main()
{
RTEXITCODE rcExit = RTTestInitAndCreate("tstRTTcp-1", &g_hTest);
if (rcExit != RTEXITCODE_SUCCESS)
return rcExit;
RTTestBanner(g_hTest);
test1();
test2();
test3();
/** @todo test the full RTTcp API. */
return RTTestSummaryAndDestroy(g_hTest);
}
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