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Ported auto-discover LAN connect to win32

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This commit is contained in:
Mark Vejvoda
2010-04-01 07:46:14 +00:00
parent 215fbdb33f
commit 6c92f188b6
13 changed files with 642 additions and 28 deletions
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8
source/shared_lib/sources/platform/posix/socket.cpp
View File

@@ -87,7 +87,8 @@ std::vector<std::string> Socket::getLocalIPAddressList() {
int ipIdx = 0;
while (myhostent->h_addr_list[ipIdx] != 0) {
sprintf(myhostaddr, "%s",inet_ntoa(*(struct in_addr *)myhostent->h_addr_list[ipIdx]));
printf("%s\n",myhostaddr);
//printf("%s\n",myhostaddr);
SystemFlags::OutputDebug(SystemFlags::debugNetwork,"In [%s::%s Line: %d] myhostaddr = [%s]\n",__FILE__,__FUNCTION__,__LINE__,myhostaddr);
if(strlen(myhostaddr) > 0 && strncmp(myhostaddr,"127.",4) != 0) {
ipList.push_back(myhostaddr);
@@ -1035,7 +1036,10 @@ void BroadCastSocketThread::execute() {
try {
// Send this machine's host name and address in hostname:n.n.n.n format
sprintf(buff,"%s:%s",myhostname,ipList[0].c_str());
strcat(buff,myhostname);
for(int idx = 0; idx < ipList.size() ++idx) {
sprintf(buff,"%s:%s",buf,ipList[idx].c_str());
}
time_t elapsed = 0;
for( pn = 1; ; pn++ )

15
source/shared_lib/sources/platform/sdl/gl_wrap.cpp
View File

@@ -21,6 +21,7 @@
#include "sdl_private.h"
#include "noimpl.h"
#include "util.h"
#include "window.h"
#include "leak_dumper.h"
@@ -37,18 +38,18 @@ void PlatformContextGl::init(int colorBits, int depthBits, int stencilBits) {
SystemFlags::OutputDebug(SystemFlags::debugSystem,"In [%s::%s Line: %d]\n",__FILE__,__FUNCTION__,__LINE__);
SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
SDL_GL_SetAttribute(SDL_GL_RED_SIZE, 1);
SDL_GL_SetAttribute(SDL_GL_GREEN_SIZE, 1);
SDL_GL_SetAttribute(SDL_GL_BLUE_SIZE, 1);
SDL_GL_SetAttribute(SDL_GL_STENCIL_SIZE, stencilBits);
SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE, depthBits);
Window::setupGraphicsScreen(depthBits, stencilBits);
SystemFlags::OutputDebug(SystemFlags::debugSystem,"In [%s::%s Line: %d]\n",__FILE__,__FUNCTION__,__LINE__);
int flags = SDL_OPENGL;
if(Private::shouldBeFullscreen)
if(Private::shouldBeFullscreen) {
flags |= SDL_FULLSCREEN;
Window::setIsFullScreen(true);
}
else {
Window::setIsFullScreen(false);
}
int resW = Private::ScreenWidth;
int resH = Private::ScreenHeight;

122
source/shared_lib/sources/platform/sdl/window.cpp
View File

@@ -15,9 +15,11 @@
#include "conversion.h"
#include "platform_util.h"
#include "leak_dumper.h"
#include "sdl_private.h"
#include "noimpl.h"
#include "util.h"
#include "SDL_syswm.h"
#include "leak_dumper.h"
using namespace Shared::Util;
using namespace std;
@@ -37,6 +39,7 @@ unsigned int Window::lastMouseEvent = 0; /** for use in mouse hover calculations
Vec2i Window::mousePos;
MouseState Window::mouseState;
bool Window::isKeyPressedDown = false;
bool Window::isFullScreen = false;
// ========== PUBLIC ==========
@@ -118,6 +121,7 @@ bool Window::handleEvent() {
/* handle ALT+Return */
if(event.key.keysym.sym == SDLK_RETURN
&& (event.key.keysym.mod & (KMOD_LALT | KMOD_RALT))) {
SystemFlags::OutputDebug(SystemFlags::debugSystem,"In [%s::%s %d] SDLK_RETURN pressed.\n",__FILE__,__FUNCTION__,__LINE__);
toggleFullscreen();
}
if(global_window) {
@@ -206,8 +210,124 @@ void Window::destroy() {
SDL_PushEvent(&event);
}
void Window::setupGraphicsScreen(int depthBits, int stencilBits) {
static int newDepthBits = depthBits;
static int newStencilBits = stencilBits;
if(depthBits >= 0)
newDepthBits = depthBits;
if(stencilBits >= 0)
newStencilBits = stencilBits;
SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
SDL_GL_SetAttribute(SDL_GL_RED_SIZE, 1);
SDL_GL_SetAttribute(SDL_GL_GREEN_SIZE, 1);
SDL_GL_SetAttribute(SDL_GL_BLUE_SIZE, 1);
SDL_GL_SetAttribute(SDL_GL_STENCIL_SIZE, newStencilBits);
SDL_GL_SetAttribute(SDL_GL_DEPTH_SIZE, newDepthBits);
}
static HWND GetSDLWindow()
{
SDL_SysWMinfo info;
SDL_VERSION(&info.version);
if (SDL_GetWMInfo(&info) == -1)
return NULL;
return info.window;
}
void Window::toggleFullscreen() {
SystemFlags::OutputDebug(SystemFlags::debugSystem,"In [%s::%s %d]\n",__FILE__,__FUNCTION__,__LINE__);
Window::isFullScreen = !Window::isFullScreen;
#ifdef WIN32
/* -- Portable Fullscreen Toggling --
As of SDL 1.2.10, if width and height are both 0, SDL_SetVideoMode will use the
width and height of the current video mode (or the desktop mode, if no mode has been set).
Use 0 for Height, Width, and Color Depth to keep the current values. */
/*
//setupGraphicsScreen();
//SDL_Surface *surface = SDL_GetVideoSurface();
//int flags = surface->flags ^ SDL_FULLSCREEN;
//int flags = SDL_OPENGL;
//if(Window::isFullScreen) {
// flags |= SDL_FULLSCREEN;
//}
//SystemFlags::OutputDebug(SystemFlags::debugSystem,"In [%s::%s %d]\n",__FILE__,__FUNCTION__,__LINE__);
//SDL_SetVideoMode(0, 0, 0, flags);
//SystemFlags::OutputDebug(SystemFlags::debugSystem,"In [%s::%s %d]\n",__FILE__,__FUNCTION__,__LINE__);
SDL_Surface *sf = SDL_GetVideoSurface();
SDL_Surface **surface = &sf;
uint32 *flags = NULL;
void *pixels = NULL;
SDL_Color *palette = NULL;
SDL_Rect clip;
int ncolors = 0;
Uint32 tmpflags = 0;
int w = 0;
int h = 0;
int bpp = 0;
if ( (!surface) || (!(*surface)) ) // don't bother if there's no surface.
return;
SystemFlags::OutputDebug(SystemFlags::debugSystem,"In [%s::%s %d]\n",__FILE__,__FUNCTION__,__LINE__);
tmpflags = (*surface)->flags;
w = (*surface)->w;
h = (*surface)->h;
bpp = (*surface)->format->BitsPerPixel;
SystemFlags::OutputDebug(SystemFlags::debugSystem,"In [%s::%s %d]\n w = %d, h = %d, bpp = %d",__FILE__,__FUNCTION__,__LINE__,w,h,bpp);
if (flags == NULL) // use the surface's flags.
flags = &tmpflags;
//
if ( *flags & SDL_FULLSCREEN )
*flags &= ~SDL_FULLSCREEN;
//
else
*flags |= SDL_FULLSCREEN;
SDL_GetClipRect(*surface, &clip);
SystemFlags::OutputDebug(SystemFlags::debugSystem,"In [%s::%s %d]\n",__FILE__,__FUNCTION__,__LINE__);
*surface = SDL_SetVideoMode(w, h, bpp, (*flags));
if (*surface == NULL) {
SystemFlags::OutputDebug(SystemFlags::debugSystem,"In [%s::%s %d]\n",__FILE__,__FUNCTION__,__LINE__);
*surface = SDL_SetVideoMode(w, h, bpp, tmpflags);
} // if
SystemFlags::OutputDebug(SystemFlags::debugSystem,"In [%s::%s %d]\n",__FILE__,__FUNCTION__,__LINE__);
SDL_SetClipRect(*surface, &clip);
*/
HWND handle = GetSDLWindow();
if(Window::isFullScreen == true) {
SystemFlags::OutputDebug(SystemFlags::debugSystem,"In [%s::%s %d] Window::isFullScreen == true [%d]\n",__FILE__,__FUNCTION__,__LINE__,handle);
ShowWindow(handle, SW_MAXIMIZE);
}
else {
SystemFlags::OutputDebug(SystemFlags::debugSystem,"In [%s::%s %d] Window::isFullScreen == false [%d]\n",__FILE__,__FUNCTION__,__LINE__,handle);
ShowWindow(handle, SW_RESTORE);
}
#else
SDL_WM_ToggleFullScreen(SDL_GetVideoSurface());
#endif
SystemFlags::OutputDebug(SystemFlags::debugSystem,"In [%s::%s %d]\n",__FILE__,__FUNCTION__,__LINE__);
}
void Window::handleMouseDown(SDL_Event event) {

56
source/shared_lib/sources/platform/win32/platform_util.cpp
View File

@@ -650,6 +650,48 @@ void getFullscreenVideoInfo(int &colorBits,int &screenWidth,int &screenHeight) {
}
}
void getFullscreenVideoModes(list<ModeInfo> *modeinfos) {
// Get the current video hardware information
//const SDL_VideoInfo* vidInfo = SDL_GetVideoInfo();
//colorBits = vidInfo->vfmt->BitsPerPixel;
//screenWidth = vidInfo->current_w;
//screenHeight = vidInfo->current_h;
SystemFlags::OutputDebug(SystemFlags::debugSystem,"In [%s::%s Line: %d]\n",__FILE__,__FUNCTION__,__LINE__);
/* Get available fullscreen/hardware modes */
SDL_Rect**modes = SDL_ListModes(NULL, SDL_FULLSCREEN|SDL_HWSURFACE);
/* Check if there are any modes available */
if (modes == (SDL_Rect**)0) {
SystemFlags::OutputDebug(SystemFlags::debugSystem,"In [%s::%s Line: %d] no hardware modes available.\n",__FILE__,__FUNCTION__,__LINE__);
const SDL_VideoInfo* vidInfo = SDL_GetVideoInfo();
modeinfos->push_back(ModeInfo(vidInfo->current_w,vidInfo->current_h,vidInfo->vfmt->BitsPerPixel));
SystemFlags::OutputDebug(SystemFlags::debugSystem,"In [%s::%s Line: %d] adding only current resolution: %d x %d.\n",__FILE__,__FUNCTION__,__LINE__,vidInfo->current_w,vidInfo->current_h);
}
/* Check if our resolution is restricted */
else if (modes == (SDL_Rect**)-1) {
SystemFlags::OutputDebug(SystemFlags::debugSystem,"In [%s::%s Line: %d] all resolutions available.\n",__FILE__,__FUNCTION__,__LINE__);
const SDL_VideoInfo* vidInfo = SDL_GetVideoInfo();
modeinfos->push_back(ModeInfo(vidInfo->current_w,vidInfo->current_h,vidInfo->vfmt->BitsPerPixel));
SystemFlags::OutputDebug(SystemFlags::debugSystem,"In [%s::%s Line: %d] adding only current resolution: %d x %d.\n",__FILE__,__FUNCTION__,__LINE__,vidInfo->current_w,vidInfo->current_h);
}
else{
/* Print valid modes */
SystemFlags::OutputDebug(SystemFlags::debugSystem,"In [%s::%s Line: %d] available Modes are:\n",__FILE__,__FUNCTION__,__LINE__);
int bestW = -1;
int bestH = -1;
for(int i=0; modes[i]; ++i) {
SystemFlags::OutputDebug(SystemFlags::debugSystem,"%d x %d\n",modes[i]->w, modes[i]->h,modes[i]->x);
modeinfos->push_back(ModeInfo(modes[i]->w,modes[i]->h,modes[i]->x));
SystemFlags::OutputDebug(SystemFlags::debugSystem,"In [%s::%s Line: %d] adding resolution: %d x %d.\n",__FILE__,__FUNCTION__,__LINE__,modes[i]->w,modes[i]->h);
}
}
}
bool changeVideoMode(int resW, int resH, int colorBits, int ) {
Private::shouldBeFullscreen = true;
return true;
@@ -710,4 +752,18 @@ bool isKeyDown(int virtualKey){
return (GetKeyState(virtualKey) & 0x8000) != 0;
}
// =====================================
// ModeInfo
// =====================================
ModeInfo::ModeInfo(int w, int h, int d) {
width=w;
height=h;
depth=d;
}
string ModeInfo::getString() const{
return intToStr(width)+"x"+intToStr(height);
}
}}//end namespace

366
source/shared_lib/sources/platform/win32/socket.cpp
View File

@@ -18,7 +18,7 @@
#include <strstream>
#include <algorithm>
#include "util.h"
#include "platform_util.h"
#include "leak_dumper.h"
#define socklen_t int
@@ -155,6 +155,8 @@ const char* WSAGetLastErrorMessage(const char* pcMessagePrefix,
namespace Shared{ namespace Platform{
int Socket::broadcast_portno = 61357;
// =====================================================
// class Ip
// =====================================================
@@ -208,6 +210,32 @@ Socket::SocketManager::~SocketManager(){
SystemFlags::OutputDebug(SystemFlags::debugNetwork,"Winsock cleanup complete.\n");
}
std::vector<std::string> Socket::getLocalIPAddressList() {
std::vector<std::string> ipList;
/* get my host name */
char myhostname[101]="";
gethostname(myhostname,100);
struct hostent* myhostent = gethostbyname(myhostname);
// get all host IP addresses (Except for loopback)
char myhostaddr[101] = "";
int ipIdx = 0;
while (myhostent->h_addr_list[ipIdx] != 0) {
sprintf(myhostaddr, "%s",inet_ntoa(*(struct in_addr *)myhostent->h_addr_list[ipIdx]));
//printf("%s\n",myhostaddr);
SystemFlags::OutputDebug(SystemFlags::debugNetwork,"In [%s::%s Line: %d] myhostaddr = [%s]\n",__FILE__,__FUNCTION__,__LINE__,myhostaddr);
if(strlen(myhostaddr) > 0 && strncmp(myhostaddr,"127.",4) != 0) {
ipList.push_back(myhostaddr);
}
ipIdx++;
}
return ipList;
}
Socket::Socket(SOCKET sock){
this->sock= sock;
}
@@ -757,9 +785,132 @@ void ClientSocket::connect(const Ip &ip, int port)
}
}
//=======================================================================
// Function : discovery_response_thread
// in : none
// return : none
// Description: To be forked in its own thread to listen and respond to broadcasts from
// other servers
//
std::vector<string> ClientSocket::discoverServers() {
SystemFlags::OutputDebug(SystemFlags::debugNetwork,"In [%s::%s Line: %d]\n",__FILE__,__FUNCTION__,__LINE__);
std::vector<string> foundServers;
short port; // The port for the broadcast.
struct sockaddr_in bcSender; // local socket address for the broadcast.
struct sockaddr_in bcaddr; // The broadcast address for the receiver.
int bcfd; // The file descriptor used for the broadcast.
bool one = true; // Parameter for "setscokopt".
char buff[10024]; // Buffers the data to be broadcasted.
socklen_t alen;
int nb; // The number of bytes read.
port = htons( Socket::getBroadCastPort() );
// Prepare to receive the broadcast.
bcfd = socket(AF_INET, SOCK_DGRAM, 0);
if( bcfd <= 0 ) {
SystemFlags::OutputDebug(SystemFlags::debugNetwork,"socket failed: %d\n", WSAGetLastError());
//exit(-1);
}
else {
// Create the address we are receiving on.
memset( (char*)&bcaddr, 0, sizeof(bcaddr));
bcaddr.sin_family = AF_INET;
bcaddr.sin_addr.s_addr = htonl(INADDR_ANY);
bcaddr.sin_port = port;
int val = 1;
setsockopt(bcfd, SOL_SOCKET, SO_REUSEADDR, (const char *)&val, sizeof(val));
if(bind( bcfd, (struct sockaddr *)&bcaddr, sizeof(bcaddr) ) < 0 ) {
SystemFlags::OutputDebug(SystemFlags::debugNetwork,"bind failed: %d\n", WSAGetLastError());
}
else {
SystemFlags::OutputDebug(SystemFlags::debugNetwork,"In [%s::%s Line: %d]\n",__FILE__,__FUNCTION__,__LINE__);
// Keep getting packets forever.
for( time_t elapsed = time(NULL); difftime(time(NULL),elapsed) <= 3; )
{
alen = sizeof(struct sockaddr);
if( (nb = recvfrom(bcfd, buff, 10024, 0, (struct sockaddr *) &bcSender, &alen)) <= 0 )
{
SystemFlags::OutputDebug(SystemFlags::debugNetwork,"recvfrom failed: %d\n", WSAGetLastError());
//exit(-1);
}
SystemFlags::OutputDebug(SystemFlags::debugNetwork,"broadcast message received: [%s] from: [%s]\n", buff,inet_ntoa(bcSender.sin_addr) );
vector<string> tokens;
Tokenize(buff,tokens,":");
for(int idx = 1; idx < tokens.size(); idx++) {
foundServers.push_back(tokens[idx]);
}
break;
}
}
}
SystemFlags::OutputDebug(SystemFlags::debugNetwork,"In [%s::%s Line: %d]\n",__FILE__,__FUNCTION__,__LINE__);
return foundServers;
}
// =====================================================
// class ServerSocket
// =====================================================
ServerSocket::ServerSocket() : Socket() {
SystemFlags::OutputDebug(SystemFlags::debugNetwork,"In [%s::%s Line: %d]\n",__FILE__,__FUNCTION__,__LINE__);
broadCastThread = NULL;
SystemFlags::OutputDebug(SystemFlags::debugNetwork,"In [%s::%s Line: %d]\n",__FILE__,__FUNCTION__,__LINE__);
}
ServerSocket::~ServerSocket() {
SystemFlags::OutputDebug(SystemFlags::debugNetwork,"In [%s::%s Line: %d]\n",__FILE__,__FUNCTION__,__LINE__);
stopBroadCastThread();
SystemFlags::OutputDebug(SystemFlags::debugNetwork,"In [%s::%s Line: %d]\n",__FILE__,__FUNCTION__,__LINE__);
}
void ServerSocket::stopBroadCastThread() {
SystemFlags::OutputDebug(SystemFlags::debugNetwork,"In [%s::%s Line: %d]\n",__FILE__,__FUNCTION__,__LINE__);
if(broadCastThread != NULL) {
SystemFlags::OutputDebug(SystemFlags::debugNetwork,"In [%s::%s Line: %d]\n",__FILE__,__FUNCTION__,__LINE__);
broadCastThread->signalQuit();
SystemFlags::OutputDebug(SystemFlags::debugNetwork,"In [%s::%s Line: %d]\n",__FILE__,__FUNCTION__,__LINE__);
for( time_t elapsed = time(NULL); difftime(time(NULL),elapsed) <= 5; ) {
if(broadCastThread->getRunningStatus() == false) {
break;
}
sleep(100);
SystemFlags::OutputDebug(SystemFlags::debugNetwork,"In [%s::%s Line: %d]\n",__FILE__,__FUNCTION__,__LINE__);
}
SystemFlags::OutputDebug(SystemFlags::debugNetwork,"In [%s::%s Line: %d]\n",__FILE__,__FUNCTION__,__LINE__);
delete broadCastThread;
broadCastThread = NULL;
}
SystemFlags::OutputDebug(SystemFlags::debugNetwork,"In [%s::%s Line: %d]\n",__FILE__,__FUNCTION__,__LINE__);
}
void ServerSocket::startBroadCastThread() {
SystemFlags::OutputDebug(SystemFlags::debugNetwork,"In [%s::%s Line: %d]\n",__FILE__,__FUNCTION__,__LINE__);
stopBroadCastThread();
broadCastThread = new BroadCastSocketThread();
broadCastThread->start();
SystemFlags::OutputDebug(SystemFlags::debugNetwork,"In [%s::%s Line: %d]\n",__FILE__,__FUNCTION__,__LINE__);
}
void ServerSocket::bind(int port){
//sockaddr structure
@@ -779,6 +930,8 @@ void ServerSocket::listen(int connectionQueueSize){
if(err==SOCKET_ERROR){
throwException("Error listening socket");
}
broadCastThread = new BroadCastSocketThread();
broadCastThread->start();
}
Socket *ServerSocket::accept(){
@@ -792,4 +945,215 @@ Socket *ServerSocket::accept(){
return new Socket(newSock);
}
BroadCastSocketThread::BroadCastSocketThread() {
SystemFlags::OutputDebug(SystemFlags::debugNetwork,"In [%s::%s Line: %d]\n",__FILE__,__FUNCTION__,__LINE__);
setQuitStatus(false);
setRunningStatus(false);
SystemFlags::OutputDebug(SystemFlags::debugNetwork,"In [%s::%s Line: %d]\n",__FILE__,__FUNCTION__,__LINE__);
}
void BroadCastSocketThread::signalQuit() {
SystemFlags::OutputDebug(SystemFlags::debugNetwork,"In [%s::%s Line: %d]\n",__FILE__,__FUNCTION__,__LINE__);
setQuitStatus(true);
SystemFlags::OutputDebug(SystemFlags::debugNetwork,"In [%s::%s Line: %d]\n",__FILE__,__FUNCTION__,__LINE__);
}
void BroadCastSocketThread::setQuitStatus(bool value) {
SystemFlags::OutputDebug(SystemFlags::debugNetwork,"In [%s::%s Line: %d]\n",__FILE__,__FUNCTION__,__LINE__);
mutexQuit.p();
quit = value;
mutexQuit.v();
SystemFlags::OutputDebug(SystemFlags::debugNetwork,"In [%s::%s Line: %d]\n",__FILE__,__FUNCTION__,__LINE__);
}
bool BroadCastSocketThread::getQuitStatus() {
//SystemFlags::OutputDebug(SystemFlags::debugNetwork,"In [%s::%s Line: %d]\n",__FILE__,__FUNCTION__,__LINE__);
bool retval = false;
mutexQuit.p();
retval = quit;
mutexQuit.v();
//SystemFlags::OutputDebug(SystemFlags::debugNetwork,"In [%s::%s Line: %d]\n",__FILE__,__FUNCTION__,__LINE__);
return retval;
}
bool BroadCastSocketThread::getRunningStatus() {
SystemFlags::OutputDebug(SystemFlags::debugNetwork,"In [%s::%s Line: %d]\n",__FILE__,__FUNCTION__,__LINE__);
bool retval = false;
mutexRunning.p();
retval = running;
mutexRunning.v();
SystemFlags::OutputDebug(SystemFlags::debugNetwork,"In [%s::%s Line: %d] running = %d\n",__FILE__,__FUNCTION__,__LINE__,retval);
return retval;
}
void BroadCastSocketThread::setRunningStatus(bool value) {
SystemFlags::OutputDebug(SystemFlags::debugNetwork,"In [%s::%s Line: %d] value = %d\n",__FILE__,__FUNCTION__,__LINE__,value);
mutexRunning.p();
running = value;
mutexRunning.v();
SystemFlags::OutputDebug(SystemFlags::debugNetwork,"In [%s::%s Line: %d] running = %d\n",__FILE__,__FUNCTION__,__LINE__,value);
}
//=======================================================================
// Function : broadcast_thread
// in : none
// return : none
// Description: To be forked in its own thread to send out a broadcast to the local subnet
// the current broadcast message is <myhostname:my.ip.address.dotted>
//
void BroadCastSocketThread::execute() {
SystemFlags::OutputDebug(SystemFlags::debugNetwork,"In [%s::%s Line: %d]\n",__FILE__,__FUNCTION__,__LINE__);
unsigned int tbcaddr; // The broadcast address.
short port; // The port for the broadcast.
struct sockaddr_in bcLocal; // local socket address for the broadcast.
struct sockaddr_in bcaddr; // The broadcast address for the receiver.
int bcfd; // The socket used for the broadcast.
bool one = true; // Parameter for "setscokopt".
int pn; // The number of the packet broadcasted.
char buff[1024]; // Buffers the data to be broadcasted.
char myhostname[100]; // hostname of local machine
//char subnetmask[100]; // Subnet mask to broadcast to
struct in_addr myaddr; // My host address in net format
struct hostent* myhostent;
char * ptr; // some transient vars
int len,i;
/* get my host name */
gethostname(myhostname,100);
myhostent = gethostbyname(myhostname);
// get only the first host IP address
std::vector<std::string> ipList = Socket::getLocalIPAddressList();
/*
strcpy(subnetmask, ipList[0].c_str());
ptr = &subnetmask[0];
len = strlen(ptr);
// substitute the address with class C subnet mask x.x.x.255
for(i=len;i>0;i--) {
if(ptr[i] == '.') {
strcpy(&ptr[i+1],"255");
break;
}
}
*/
// Convert the broadcast address from dot notation to a broadcast address.
//if( (tbcaddr = inet_addr( subnetmask )) == INADDR_NONE )
//{
// SystemFlags::OutputDebug(SystemFlags::debugNetwork,"Badly formatted BC address: %d\n", WSAGetLastError());
//exit(-1);
//}
//else
{
port = htons( Socket::getBroadCastPort() );
// Create the broadcast socket
memset( &bcLocal, 0, sizeof( struct sockaddr_in));
bcLocal.sin_family = AF_INET;
bcLocal.sin_addr.s_addr = htonl( INADDR_BROADCAST );
bcLocal.sin_port = port; // We are letting the OS fill in the port number for the local machine.
bcfd = socket( AF_INET, SOCK_DGRAM, 0 );
// If there is an error, report it and terminate.
if( bcfd <= 0 ) {
SystemFlags::OutputDebug(SystemFlags::debugNetwork,"Unable to allocate broadcast socket.: %d\n", WSAGetLastError());
//exit(-1);
}
// Mark the socket for broadcast.
else if( setsockopt( bcfd, SOL_SOCKET, SO_BROADCAST, (const char *) &one, sizeof( int ) ) < 0 ) {
SystemFlags::OutputDebug(SystemFlags::debugNetwork,"Could not set socket to broadcast.: %d\n", WSAGetLastError());
//exit(-1);
}
// Bind the address to the broadcast socket.
else {
//int val = 1;
//setsockopt(bcfd, SOL_SOCKET, SO_REUSEADDR, &val, sizeof(val));
//if(::bind(bcfd, (struct sockaddr *) &bcLocal, sizeof(struct sockaddr_in)) < 0) {
// SystemFlags::OutputDebug(SystemFlags::debugNetwork,"Could not bind address to BC socket.: %d\n", WSAGetLastError());
//exit(-1);
//}
//else
{
// Record the broadcast address of the receiver.
bcaddr.sin_family = AF_INET;
bcaddr.sin_addr.s_addr = htonl(INADDR_BROADCAST);//tbcaddr;
bcaddr.sin_port = port;
setRunningStatus(true);
SystemFlags::OutputDebug(SystemFlags::debugNetwork,"Broadcast thread is running\n");
SystemFlags::OutputDebug(SystemFlags::debugNetwork,"In [%s::%s Line: %d]\n",__FILE__,__FUNCTION__,__LINE__);
try {
// Send this machine's host name and address in hostname:n.n.n.n format
sprintf(buff,"%s",myhostname);
for(int idx = 0; idx < ipList.size(); idx++) {
sprintf(buff,"%s:%s",buff,ipList[idx].c_str());
}
time_t elapsed = 0;
for( pn = 1; ; pn++ )
{
if(difftime(time(NULL),elapsed) >= 1) {
time_t elapsed = time(NULL);
// Broadcast the packet to the subnet
if( sendto( bcfd, buff, sizeof(buff) + 1, 0 , (struct sockaddr *)&bcaddr, sizeof(struct sockaddr_in) ) != sizeof(buff) + 1 )
{
SystemFlags::OutputDebug(SystemFlags::debugNetwork,"Sendto error: %d\n", WSAGetLastError());
//exit(-1);
}
else {
//SystemFlags::OutputDebug(SystemFlags::debugNetwork,"Broadcasting to [%s] the message: [%s]\n",subnetmask,buff);
SystemFlags::OutputDebug(SystemFlags::debugNetwork,"Broadcasting on port [%d] the message: [%s]\n",Socket::getBroadCastPort(),buff);
}
SystemFlags::OutputDebug(SystemFlags::debugNetwork,"In [%s::%s Line: %d]\n",__FILE__,__FUNCTION__,__LINE__);
}
if(getQuitStatus() == true) {
SystemFlags::OutputDebug(SystemFlags::debugNetwork,"In [%s::%s Line: %d]\n",__FILE__,__FUNCTION__,__LINE__);
break;
}
sleep( 100 ); // send out broadcast every 1 seconds
}
SystemFlags::OutputDebug(SystemFlags::debugNetwork,"In [%s::%s Line: %d]\n",__FILE__,__FUNCTION__,__LINE__);
}
catch(const exception &ex) {
SystemFlags::OutputDebug(SystemFlags::debugNetwork,"In [%s::%s Line: %d] error [%s]\n",__FILE__,__FUNCTION__,__LINE__,ex.what());
setRunningStatus(false);
}
catch(...) {
SystemFlags::OutputDebug(SystemFlags::debugNetwork,"In [%s::%s Line: %d] unknown error\n",__FILE__,__FUNCTION__,__LINE__);
setRunningStatus(false);
}
setRunningStatus(false);
SystemFlags::OutputDebug(SystemFlags::debugNetwork,"Broadcast thread is exiting\n");
}
}
}
SystemFlags::OutputDebug(SystemFlags::debugNetwork,"In [%s::%s Line: %d]\n",__FILE__,__FUNCTION__,__LINE__);
}
}}//end namespace