/*
 * Unit tests for 32-bit socket functions in Wine
 *
 * Copyright (c) 2005 Thomas Kho, Fredy Garcia, Douglas Rosenberg
 *
 * 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 <stdio.h>

#include <windows.h>
#include <winsock.h>
#include <wtypes.h>
#include <winerror.h>
#include <string.h>

#ifndef STANDALONE
#include "wine/test.h"
#else
#include <assert.h>
#define START_TEST(name) main(int argc, char **argv)
#define ok(condition, msg) \
	do { \
		if(!(condition)) \
		{ \
			fprintf(stderr,"failed at %d\n",__LINE__); \
			exit(0); \
		} \
	} while(0)

#define todo_wine
#endif

#define NUM_CLIENTS 1
// amount of data to transfer from each client to server
#define TRANSFER_SIZE 1000000

int clientsDone = 0;

struct TestParams {
	int serverSock;
	int serverType;
	int serverPort;
	int clientPort[NUM_CLIENTS];
};

struct ClientParams {
	struct TestParams *test;
	int clientNum; // 1...NUM_CLIENTS
};

static void test_Startup(void);
void BlockingClient(int *serverPort);
void BlockingServer(int *port);
static void test_ClientServerBlocking_1(void);
static void test_Startup(void);

// StartNetworkApp creates socket sock of type type and returns assigned port number in addr.
void StartNetworkApp(int type, SOCKET *sock, SOCKADDR_IN *addr)
{
	SOCKADDR_IN tmpAddr;
	int tmpAddrSize;

	*sock = socket(AF_INET, type, 0);
	if (*sock == INVALID_SOCKET) {
		ok( 0 , "Error in socket()");
		WSACleanup();
		exit(0);
	}
	trace("socket() ok\n");

	addr->sin_family = AF_INET;
	addr->sin_addr.s_addr = INADDR_ANY;
	addr->sin_port = htons(0);

	if( bind(*sock, (const SOCKADDR *) addr, sizeof(*addr)) ) {
		ok( 0 , "Error binding client to socket");
		WSACleanup();
		exit(0);
	}

	// get port number
	tmpAddrSize = sizeof(tmpAddr);
	getsockname(*sock, (SOCKADDR *) &tmpAddr, &tmpAddrSize);
	addr->sin_port = tmpAddr.sin_port;
}

void BlockingClient(int *serverPort)
{
	SOCKET sock;
	SOCKADDR_IN client, server;
	HOSTENT *hp;
	StartNetworkApp(SOCK_STREAM, &sock, &client);

	hp = gethostbyname("localhost");

	while(*serverPort == 0) ;

	// network code here
	server.sin_family = AF_INET;
	server.sin_addr = *(struct in_addr *) hp->h_addr;
	server.sin_port = *serverPort;

	trace("blocking client done\n");
	clientsDone++;
}

void ProcessConnection(SOCKET *ConnectedSocket)
{
	// this will handle all connections to the server, it's in its own function to allow for multithreading
	int bClosed;
	bClosed = close(ConnectedSocket);
	//ok(bClosed,"Error closing socket");
}

void BlockingServer(int *port) // listens for incoming connections and accepts up to NUM_CLIENTS connections at once
{
	HANDLE* ServerThreads; // the handles for the threads that process connections
	DWORD* ServerThreadIDs; // the thread ids for the threads that process connections
	SOCKET* ConnectedSockets; // the threads created by accept() that get sent to the processing function
	int ThreadIndex = 0;

	SOCKET sock;
	SOCKADDR_IN server;
	Handle* ServerThreads;
	DWORD* ServerThreadIDs;
	int ThreadIndex = 0;

	StartNetworkApp(SOCK_STREAM, &sock, &server);
	*port = server.sin_port;

	ServerThreads = malloc(sizeof(HANDLE) * NUM_CLIENTS);
	memset(ServerThreads, 0, sizeof(HANDLE) * NUM_CLIENTS);

	ServerThreadIDs = malloc(sizeof(DWORD) * NUM_CLIENTS);
	memset(ServerThreadIDs, 0, sizeof(DWORD) * NUM_CLIENTS);

	ConnectedSockets = malloc(sizeof(DWORD) * NUM_CLIENTS);
	memset(ConnectedSockets, 0, sizeof(DWORD) * NUM_CLIENTS);

	//SOCKADDR_IN RemoteAddress;

	ListenReturn = listen(sock, 5);
	ok(ListenReturn != SOCKET_ERROR, "error listening on socket");
	
	for (ThreadIndex = 0; ThreadIndex < NUM_CLIENTS; ThreadIndex++)
	{
			ConnectedSocket = accept(sock); // this can be modified to include the address of the remote socket
			ok(ConnectedSocket != INVALID_SOCKET, "error accepting socket");

			ServerThreads[ThreadIndex] = CreateThread(NULL, 0, (LPTHREAD_START_ROUTINE) &ProcessConnection, &ConnectedSockets[ThreadIndex], 0, &ServerThreadIDs[ThreadIndex]);
	}

	// network code here

	free(ServerThreads);
	free(ServerThreadIDs);
	free(ConnectedSockets);
	trace("blocking server done\n");
}

static void test_ClientServerBlocking_1(void)
{
	int ThreadIndex = 0;
	int serverPort = 0; // I think the server port would work better as a #DEFINE rather than a variable that gets passed around everywhere
	HANDLE ServerThread;
	DWORD ServerThreadId;
	DWORD *ClientThreadIds;
	HANDLE *ClientThreads;

	ServerThread = CreateThread(NULL, 0, (LPTHREAD_START_ROUTINE) &BlockingClient, &serverPort, 0, &ServerThreadId);

	ClientThreads = malloc(sizeof(HANDLE) * NUM_CLIENTS);
	memset(ClientThreads, 0, sizeof(HANDLE) * NUM_CLIENTS);
	
	ClientThreadIds = malloc(sizeof(DWORD) * NUM_CLIENTS);
	memset(ClientThreadIds, 0, sizeof(DWORD) * NUM_CLIENTS);

	for(ThreadIndex = 0; ThreadIndex < NUM_CLIENTS; ThreadIndex++) {
		ClientThreads[ThreadIndex] = CreateThread(NULL, 0, (LPTHREAD_START_ROUTINE) &BlockingServer, &serverPort, 0, &ClientThreadIds[ThreadIndex]);
	}

	trace("test_ClientServerBlocking_1 done\n");
}

static void test_Startup(void)
{
	// initialize application
	WSADATA wsaData;
  int wsastartup_result = WSAStartup(MAKEWORD(1,1), &wsaData);
	if ( (LOBYTE(wsaData.wVersion) != 1) && (HIBYTE(wsaData.wVersion) != 1) )
	{
		ok( 0 , "WSAStartup returns an incompatible sockets version");
		WSACleanup();
		exit(0);
	}

   ok((wsastartup_result == NO_ERROR), "Error in WSAStartup()");
}


START_TEST(wsock32_main)
{
  trace("test 1 of 2:\n");
  test_Startup();
  trace("test 2 of 2:\n");
  test_ClientServerBlocking_1();
  trace("all tests done\n");
	while (clientsDone != NUM_CLIENTS)
		;
}