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Sweden-Number/dlls/winsock/tests/sock.c

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/*
* Unit test suite for winsock functions
*
* Copyright 2002 Martin Wilck
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <stdarg.h>
#include <windef.h>
#include <winbase.h>
#include <winsock2.h>
#include <mswsock.h>
#include "wine/test.h"
#include <winnt.h>
#include <winerror.h>
#define MAX_CLIENTS 4 /* Max number of clients */
#define NUM_TESTS 2 /* Number of tests performed */
#define FIRST_CHAR 'A' /* First character in transferred pattern */
#define BIND_SLEEP 10 /* seconds to wait between attempts to bind() */
#define BIND_TRIES 6 /* Number of bind() attempts */
#define TEST_TIMEOUT 30 /* seconds to wait before killing child threads
after server initialization, if something hangs */
#define wsa_ok(op, cond, msg) \
do { \
int tmp, err = 0; \
tmp = op; \
if ( !(cond tmp) ) err = WSAGetLastError(); \
ok ( cond tmp, msg, GetCurrentThreadId(), err); \
} while (0);
/**************** Structs and typedefs ***************/
typedef struct thread_info
{
HANDLE thread;
DWORD id;
} thread_info;
/* Information in the server about open client connections */
typedef struct sock_info
{
SOCKET s;
struct sockaddr_in addr;
struct sockaddr_in peer;
char *buf;
int nread;
} sock_info;
/* Test parameters for both server & client */
typedef struct test_params
{
int sock_type;
int sock_prot;
char *inet_addr;
short inet_port;
int chunk_size;
int n_chunks;
int n_clients;
} test_params;
/* server-specific test parameters */
typedef struct server_params
{
test_params *general;
DWORD sock_flags;
int buflen;
} server_params;
/* client-specific test parameters */
typedef struct client_params
{
test_params *general;
DWORD sock_flags;
int buflen;
} client_params;
/* This type combines all information for setting up a test scenario */
typedef struct test_setup
{
test_params general;
LPVOID srv;
server_params srv_params;
LPVOID clt;
client_params clt_params;
} test_setup;
/* Thread local storage for server */
typedef struct server_memory
{
SOCKET s;
struct sockaddr_in addr;
sock_info sock[MAX_CLIENTS];
} server_memory;
/* Thread local storage for client */
typedef struct client_memory
{
SOCKET s;
struct sockaddr_in addr;
char *send_buf;
char *recv_buf;
} client_memory;
/**************** Static variables ***************/
static DWORD tls; /* Thread local storage index */
static HANDLE thread[1+MAX_CLIENTS];
static DWORD thread_id[1+MAX_CLIENTS];
static HANDLE server_ready;
static HANDLE client_ready[MAX_CLIENTS];
static int client_id;
/**************** General utility functions ***************/
static void set_so_opentype ( BOOL overlapped )
{
int optval = !overlapped, newval, len = sizeof (int);
ok ( setsockopt ( INVALID_SOCKET, SOL_SOCKET, SO_OPENTYPE,
(LPVOID) &optval, sizeof (optval) ) == 0,
"setting SO_OPENTYPE failed" );
ok ( getsockopt ( INVALID_SOCKET, SOL_SOCKET, SO_OPENTYPE,
(LPVOID) &newval, &len ) == 0,
"getting SO_OPENTYPE failed" );
ok ( optval == newval, "failed to set SO_OPENTYPE" );
}
static int set_blocking ( SOCKET s, BOOL blocking )
{
u_long val = !blocking;
return ioctlsocket ( s, FIONBIO, &val );
}
static void fill_buffer ( char *buf, int chunk_size, int n_chunks )
{
char c, *p;
for ( c = FIRST_CHAR, p = buf; c < FIRST_CHAR + n_chunks; c++, p += chunk_size )
memset ( p, c, chunk_size );
}
static char* test_buffer ( char *buf, int chunk_size, int n_chunks )
{
char c, *p;
int i;
for ( c = FIRST_CHAR, p = buf; c < FIRST_CHAR + n_chunks; c++, p += chunk_size )
{
for ( i = 0; i < chunk_size; i++ )
if ( p[i] != c ) return p + i;
}
return NULL;
}
/*
* This routine is called when a client / server does not expect any more data,
* but needs to acknowedge the closing of the connection (by reasing 0 bytes).
*/
static void read_zero_bytes ( SOCKET s )
{
char buf[256];
int tmp, n = 0;
while ( ( tmp = recv ( s, buf, 256, 0 ) ) > 0 )
n += tmp;
ok ( n <= 0, "garbage data received: %d bytes\n", n );
}
static int do_synchronous_send ( SOCKET s, char *buf, int buflen, int sendlen )
{
char* last = buf + buflen, *p;
int n = 1;
for ( p = buf; n > 0 && p < last; p += n )
n = send ( s, p, min ( sendlen, last - p ), 0 );
wsa_ok ( n, 0 <=, "do_synchronous_send (%lx): error %d" );
return p - buf;
}
static int do_synchronous_recv ( SOCKET s, char *buf, int buflen, int recvlen )
{
char* last = buf + buflen, *p;
int n = 1;
for ( p = buf; n > 0 && p < last; p += n )
n = recv ( s, p, min ( recvlen, last - p ), 0 );
wsa_ok ( n, 0 <=, "do_synchronous_recv (%lx): error %d:" );
return p - buf;
}
/*
* Call this routine right after thread startup.
* SO_OPENTYPE must by 0, regardless what the server did.
*/
static void check_so_opentype (void)
{
int tmp = 1, len;
len = sizeof (tmp);
getsockopt ( INVALID_SOCKET, SOL_SOCKET, SO_OPENTYPE, (LPVOID) &tmp, &len );
ok ( tmp == 0, "check_so_opentype: wrong startup value of SO_OPENTYPE: %d", tmp );
}
/**************** Server utility functions ***************/
/*
* Even if we have closed our server socket cleanly,
* the OS may mark the address "in use" for some time -
* this happens with native Linux apps, too.
*/
static void do_bind ( SOCKET s, struct sockaddr* addr, int addrlen )
{
int err, wsaerr = 0, n_try = BIND_TRIES;
while ( ( err = bind ( s, addr, addrlen ) ) != 0 &&
( wsaerr = WSAGetLastError () ) == WSAEADDRINUSE &&
n_try-- >= 0)
{
trace ( "address in use, waiting ...\n" );
Sleep ( 1000 * BIND_SLEEP );
}
ok ( err == 0, "failed to bind: %d\n", wsaerr );
}
static void server_start ( server_params *par )
{
int i;
test_params *gen = par->general;
server_memory *mem = (LPVOID) LocalAlloc ( LPTR, sizeof (server_memory));
TlsSetValue ( tls, mem );
mem->s = WSASocketA ( AF_INET, gen->sock_type, gen->sock_prot,
NULL, 0, par->sock_flags );
ok ( mem->s != INVALID_SOCKET, "Server: WSASocket failed" );
mem->addr.sin_family = AF_INET;
mem->addr.sin_addr.s_addr = inet_addr ( gen->inet_addr );
mem->addr.sin_port = htons ( gen->inet_port );
for (i = 0; i < MAX_CLIENTS; i++)
{
mem->sock[i].s = INVALID_SOCKET;
mem->sock[i].buf = (LPVOID) LocalAlloc ( LPTR, gen->n_chunks * gen->chunk_size );
mem->sock[i].nread = 0;
}
if ( gen->sock_type == SOCK_STREAM )
do_bind ( mem->s, (struct sockaddr*) &mem->addr, sizeof (mem->addr) );
}
static void server_stop (void)
{
int i;
server_memory *mem = TlsGetValue ( tls );
for (i = 0; i < MAX_CLIENTS; i++ )
{
LocalFree ( (HANDLE) mem->sock[i].buf );
if ( mem->sock[i].s != INVALID_SOCKET )
closesocket ( mem->sock[i].s );
}
ok ( closesocket ( mem->s ) == 0, "closesocket failed" );
LocalFree ( (HANDLE) mem );
ExitThread ( GetCurrentThreadId () );
}
/**************** Client utilitiy functions ***************/
static void client_start ( client_params *par )
{
test_params *gen = par->general;
client_memory *mem = (LPVOID) LocalAlloc (LPTR, sizeof (client_memory));
TlsSetValue ( tls, mem );
WaitForSingleObject ( server_ready, INFINITE );
mem->s = WSASocketA ( AF_INET, gen->sock_type, gen->sock_prot,
NULL, 0, par->sock_flags );
mem->addr.sin_family = AF_INET;
mem->addr.sin_addr.s_addr = inet_addr ( gen->inet_addr );
mem->addr.sin_port = htons ( gen->inet_port );
ok ( mem->s != INVALID_SOCKET, "Client: WSASocket failed" );
mem->send_buf = (LPVOID) LocalAlloc ( LPTR, 2 * gen->n_chunks * gen->chunk_size );
mem->recv_buf = mem->send_buf + gen->n_chunks * gen->chunk_size;
fill_buffer ( mem->send_buf, gen->chunk_size, gen->n_chunks );
SetEvent ( client_ready[client_id] );
/* Wait for the other clients to come up */
WaitForMultipleObjects ( min ( gen->n_clients, MAX_CLIENTS ), client_ready, TRUE, INFINITE );
}
static void client_stop (void)
{
client_memory *mem = TlsGetValue ( tls );
wsa_ok ( closesocket ( mem->s ), 0 ==, "closesocket error (%lx): %d\n" );
LocalFree ( (HANDLE) mem->send_buf );
LocalFree ( (HANDLE) mem );
ExitThread(0);
}
/**************** Servers ***************/
/*
* simple_server: A very basic server doing synchronous IO.
*/
static VOID WINAPI simple_server ( server_params *par )
{
test_params *gen = par->general;
server_memory *mem;
int n_recvd, n_sent, n_expected = gen->n_chunks * gen->chunk_size, tmp, i,
id = GetCurrentThreadId();
char *p;
trace ( "simple_server (%x) starting\n", id );
set_so_opentype ( FALSE ); /* non-overlapped */
server_start ( par );
mem = TlsGetValue ( tls );
wsa_ok ( set_blocking ( mem->s, TRUE ), 0 ==, "simple_server (%lx): failed to set blocking mode: %d");
wsa_ok ( listen ( mem->s, SOMAXCONN ), 0 ==, "simple_server (%lx): listen failed: %d");
trace ( "simple_server (%x) ready\n", id );
SetEvent ( server_ready ); /* notify clients */
for ( i = 0; i < min ( gen->n_clients, MAX_CLIENTS ); i++ )
{
trace ( "simple_server (%x): waiting for client\n", id );
/* accept a single connection */
tmp = sizeof ( mem->sock[0].peer );
mem->sock[0].s = accept ( mem->s, (struct sockaddr*) &mem->sock[0].peer, &tmp );
wsa_ok ( mem->sock[0].s, INVALID_SOCKET !=, "simple_server (%lx): accept failed: %d" );
ok ( mem->sock[0].peer.sin_addr.s_addr == inet_addr ( gen->inet_addr ),
"simple_server (%x): strange peer address", id );
/* Receive data & check it */
n_recvd = do_synchronous_recv ( mem->sock[0].s, mem->sock[0].buf, n_expected, par->buflen );
ok ( n_recvd == n_expected,
"simple_server (%x): received less data then expected: %d of %d", id, n_recvd, n_expected );
p = test_buffer ( mem->sock[0].buf, gen->chunk_size, gen->n_chunks );
ok ( p == NULL, "simple_server (%x): test pattern error: %d", id, p - mem->sock[0].buf);
/* Echo data back */
n_sent = do_synchronous_send ( mem->sock[0].s, mem->sock[0].buf, n_expected, par->buflen );
ok ( n_sent == n_expected,
"simple_server (%x): sent less data then expected: %d of %d", id, n_sent, n_expected );
/* cleanup */
read_zero_bytes ( mem->sock[0].s );
wsa_ok ( closesocket ( mem->sock[0].s ), 0 ==, "simple_server (%lx): closesocket error: %d" );
mem->sock[0].s = INVALID_SOCKET;
}
trace ( "simple_server (%x) exiting\n", id );
server_stop ();
}
/**************** Clients ***************/
/*
* simple_client: A very basic client doing synchronous IO.
*/
static VOID WINAPI simple_client ( client_params *par )
{
test_params *gen = par->general;
client_memory *mem;
int n_sent, n_recvd, n_expected = gen->n_chunks * gen->chunk_size, id;
char *p;
id = GetCurrentThreadId();
trace ( "simple_client (%x): starting\n", id );
/* wait here because we want to call set_so_opentype before creating a socket */
WaitForSingleObject ( server_ready, INFINITE );
trace ( "simple_client (%x): server ready\n", id );
check_so_opentype ();
set_so_opentype ( FALSE ); /* non-overlapped */
client_start ( par );
mem = TlsGetValue ( tls );
/* Connect */
wsa_ok ( connect ( mem->s, (struct sockaddr*) &mem->addr, sizeof ( mem->addr ) ),
0 ==, "simple_client (%lx): connect error: %d" );
ok ( set_blocking ( mem->s, TRUE ) == 0,
"simple_client (%x): failed to set blocking mode", id );
trace ( "simple_client (%x) connected\n", id );
/* send data to server */
n_sent = do_synchronous_send ( mem->s, mem->send_buf, n_expected, par->buflen );
ok ( n_sent == n_expected,
"simple_client (%x): sent less data then expected: %d of %d", id, n_sent, n_expected );
/* shutdown send direction */
wsa_ok ( shutdown ( mem->s, SD_SEND ), 0 ==, "simple_client (%lx): shutdown failed: %d" );
/* Receive data echoed back & check it */
n_recvd = do_synchronous_recv ( mem->s, mem->recv_buf, n_expected, par->buflen );
ok ( n_recvd == n_expected,
"simple_client (%x): received less data then expected: %d of %d", id, n_recvd, n_expected );
/* check data */
p = test_buffer ( mem->recv_buf, gen->chunk_size, gen->n_chunks );
ok ( p == NULL, "simple_client (%x): test pattern error: %d", id, p - mem->recv_buf);
/* cleanup */
read_zero_bytes ( mem->s );
trace ( "simple_client (%x) exiting\n", id );
client_stop ();
}
/*
* event_client: An event-driven client
*/
static void WINAPI event_client ( client_params *par )
{
test_params *gen = par->general;
client_memory *mem;
int id = GetCurrentThreadId(), n_expected = gen->n_chunks * gen->chunk_size,
tmp, err, n;
HANDLE event;
WSANETWORKEVENTS wsa_events;
char *send_last, *recv_last, *send_p, *recv_p;
long mask = FD_READ | FD_WRITE | FD_CLOSE;
trace ( "event_client (%x): starting\n", id );
client_start ( par );
trace ( "event_client (%x): server ready\n", id );
mem = TlsGetValue ( tls );
/* Prepare event notification for connect, makes socket nonblocking */
event = WSACreateEvent ();
WSAEventSelect ( mem->s, event, FD_CONNECT );
tmp = connect ( mem->s, (struct sockaddr*) &mem->addr, sizeof ( mem->addr ) );
if ( tmp != 0 && ( err = WSAGetLastError () ) != WSAEWOULDBLOCK )
ok ( 0, "event_client (%x): connect error: %d", id, err );
tmp = WaitForSingleObject ( event, INFINITE );
ok ( tmp == WAIT_OBJECT_0, "event_client (%x): wait for connect event failed: %d", id, tmp );
err = WSAEnumNetworkEvents ( mem->s, event, &wsa_events );
wsa_ok ( err, 0 ==, "event_client (%lx): WSAEnumNetworkEvents error: %d\n" );
err = wsa_events.iErrorCode[ FD_CONNECT_BIT ];
ok ( err == 0, "event_client (%x): connect error: %d", id, err );
if ( err ) goto out;
trace ( "event_client (%x) connected\n", id );
WSAEventSelect ( mem->s, event, mask );
recv_p = mem->recv_buf;
recv_last = mem->recv_buf + n_expected;
send_p = mem->send_buf;
send_last = mem->send_buf + n_expected;
while ( TRUE )
{
err = WaitForSingleObject ( event, INFINITE );
ok ( err == WAIT_OBJECT_0, "event_client (%x): wait failed", id );
err = WSAEnumNetworkEvents ( mem->s, event, &wsa_events );
wsa_ok ( err, 0 ==, "event_client (%lx): WSAEnumNetworkEvents error: %d\n" );
if ( wsa_events.lNetworkEvents & FD_WRITE )
{
err = wsa_events.iErrorCode[ FD_WRITE_BIT ];
ok ( err == 0, "event_client (%x): FD_WRITE error code: %d\n", id, err );
if ( err== 0 )
do
{
n = send ( mem->s, send_p, min ( send_last - send_p, par->buflen ), 0 );
if ( n < 0 )
{
err = WSAGetLastError ();
ok ( err == WSAEWOULDBLOCK, "event_client (%x): send error: %d\n", id, err );
}
else
send_p += n;
}
while ( n >= 0 && send_p < send_last );
if ( send_p == send_last )
{
trace ( "event_client (%x): all data sent - shutdown\n", id );
shutdown ( mem->s, SD_SEND );
mask &= ~FD_WRITE;
WSAEventSelect ( mem->s, event, mask );
}
}
if ( wsa_events.lNetworkEvents & FD_READ )
{
err = wsa_events.iErrorCode[ FD_READ_BIT ];
ok ( err == 0, "event_client (%x): FD_READ error code: %d\n", id, err );
if ( err != 0 ) break;
/* First read must succeed */
n = recv ( mem->s, recv_p, min ( recv_last - recv_p, par->buflen ), 0 );
wsa_ok ( n, 0 <=, "event_client (%lx): recv error: %d\n" );
while ( n >= 0 ) {
recv_p += n;
if ( recv_p == recv_last )
{
mask &= ~FD_READ;
trace ( "event_client (%x): all data received\n", id );
WSAEventSelect ( mem->s, event, mask );
break;
}
n = recv ( mem->s, recv_p, min ( recv_last - recv_p, par->buflen ), 0 );
if ( n < 0 && ( err = WSAGetLastError()) != WSAEWOULDBLOCK )
ok ( 0, "event_client (%x): read error: %d\n", id, err );
}
}
if ( wsa_events.lNetworkEvents & FD_CLOSE )
{
trace ( "event_client (%x): close event\n", id );
err = wsa_events.iErrorCode[ FD_CLOSE_BIT ];
ok ( err == 0, "event_client (%x): FD_CLOSE error code: %d\n", id, err );
break;
}
}
ok ( send_p == send_last,
"simple_client (%x): sent less data then expected: %d of %d",
id, send_p - mem->send_buf, n_expected );
ok ( recv_p == recv_last,
"simple_client (%x): received less data then expected: %d of %d",
id, recv_p - mem->recv_buf, n_expected );
recv_p = test_buffer ( mem->recv_buf, gen->chunk_size, gen->n_chunks );
ok ( recv_p == NULL, "event_client (%x): test pattern error: %d", id, recv_p - mem->recv_buf);
out:
WSACloseEvent ( event );
trace ( "event_client (%x) exiting\n", id );
client_stop ();
}
/**************** Main program utility functions ***************/
static void Init (void)
{
WORD ver = MAKEWORD (2, 2);
WSADATA data;
ok ( WSAStartup ( ver, &data ) == 0, "WSAStartup failed" );
tls = TlsAlloc();
}
static void Exit (void)
{
TlsFree ( tls );
ok ( WSACleanup() == 0, "WSACleanup failed" );
}
static void StartServer (LPTHREAD_START_ROUTINE routine,
test_params *general, server_params *par)
{
par->general = general;
thread[0] = CreateThread ( NULL, 0, routine, par, 0, &thread_id[0] );
ok ( thread[0] != NULL, "Failed to create server thread" );
}
static void StartClients (LPTHREAD_START_ROUTINE routine,
test_params *general, client_params *par)
{
int i;
par->general = general;
for ( i = 1; i <= min ( general->n_clients, MAX_CLIENTS ); i++ )
{
client_id = i - 1;
thread[i] = CreateThread ( NULL, 0, routine, par, 0, &thread_id[i] );
ok ( thread[i] != NULL, "Failed to create client thread" );
/* Make sure the client is up and running */
WaitForSingleObject ( client_ready[client_id], INFINITE );
};
}
static void do_test( test_setup *test )
{
DWORD i, n = min (test->general.n_clients, MAX_CLIENTS);
DWORD wait;
server_ready = CreateEventA ( NULL, TRUE, FALSE, NULL );
for (i = 0; i <= n; i++)
client_ready[i] = CreateEventA ( NULL, TRUE, FALSE, NULL );
StartServer ( test->srv, &test->general, &test->srv_params );
StartClients ( test->clt, &test->general, &test->clt_params );
WaitForSingleObject ( server_ready, INFINITE );
wait = WaitForMultipleObjects ( 1 + n, thread, TRUE, 1000 * TEST_TIMEOUT );
ok ( wait >= WAIT_OBJECT_0 && wait <= WAIT_OBJECT_0 + n ,
"some threads have not completed: %lx\n", wait );
if ( ! ( wait >= WAIT_OBJECT_0 && wait <= WAIT_OBJECT_0 + n ) )
{
for (i = 0; i <= n; i++)
{
trace ("terminating thread %08lx\n", thread_id[i]);
if ( WaitForSingleObject ( thread[i], 0 ) != WAIT_OBJECT_0 )
TerminateThread ( thread [i], 0 );
}
}
CloseHandle ( server_ready );
for (i = 0; i <= n; i++)
CloseHandle ( client_ready[i] );
}
/************* Array containing the tests to run **********/
#define STD_STREAM_SOCKET \
SOCK_STREAM, \
0, \
"127.0.0.1", \
9374
static test_setup tests [NUM_TESTS] =
{
/* Test 0: synchronous client and server */
{
{
STD_STREAM_SOCKET,
2048,
16,
2
},
simple_server,
{
NULL,
0,
64
},
simple_client,
{
NULL,
0,
128
}
},
/* Test 1: event-driven client, synchronous server */
{
{
STD_STREAM_SOCKET,
2048,
16,
2
},
simple_server,
{
NULL,
0,
64
},
event_client,
{
NULL,
WSA_FLAG_OVERLAPPED,
128
}
}
};
/**************** Main program ***************/
START_TEST( sock )
{
int i;
Init();
for (i = 0; i < NUM_TESTS; i++)
{
trace ( " **** STARTING TEST %d **** \n", i );
do_test ( &tests[i] );
trace ( " **** TEST %d COMPLETE **** \n", i );
}
Exit();
}
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