void SocketMultiplexer::ControlLoop() {
control_socket_ = CreateSocket(config_.control_socket_path);
Unlinker u_control_socket(config_.control_socket_path);
FDCloser c_control_socket(control_socket_);
if (control_socket_ < 0) {
ELOG(ERROR, "CreateSocket()", errno);
return;
}
while (true) {
int control_fd = AcceptSocket(control_socket_);
if (control_fd < 0 && errno == EINVAL) {
break;
}
if (control_fd < 0) {
ELOG(ERROR, "AcceptSocket()", errno);
break;
}
std::thread t([this](int control_fd) {
FDCloser c_control_fd(control_fd);
char buf[1024];
int uid;
int ret = PeekSocketCredentials(control_fd, NULL, &uid, NULL);
if (ret < 0) {
ELOG(ERROR, "PeekSocketCredentials()", errno);
return;
}
while (true) {
int recved = recv(control_fd, buf, 1024, 0);
if (recved < 0) {
ELOG(ERROR, "recv", errno);
break;
}
if (recved == 0) {
break;
}
std::istringstream iss(std::string(buf, recved));
std::string line;
while (std::getline(iss, line)) {
std::string result = this->DispatchCommand(uid, line);
send(control_fd, result.c_str(), result.size(), 0);
}
}
}, control_fd);
t.detach();
}
}
void SocketMultiplexer::MainLoop() {
master_socket_ = CreateSocket(config_.master_socket_path);
Unlinker u_master_socket(config_.master_socket_path);
FDCloser c_master_socket(master_socket_);
if (master_socket_ < 0) {
ELOG(ERROR, "CreateSocket()", errno);
return;
}
while (true) {
int master_fd = AcceptSocket(master_socket_);
if (master_fd < 0 && errno == EINVAL) {
break;
}
if (master_fd < 0) {
ELOG(ERROR, "AcceptSocket()", errno);
break;
}
std::thread t([this](int master_fd) {
FDCloser c_master_fd(master_fd);
int uid;
int ret = PeekSocketCredentials(master_fd, NULL, &uid, NULL);
if (ret < 0) {
ELOG(ERROR, "PeekSocketCredentials()", errno);
return;
}
int slave_fd = this->TryConnectActiveSocket(uid);
FDCloser c_slave_fd(slave_fd);
if (slave_fd < 0) {
ELOG(ERROR, "TryConnectActiveSocket()", errno);
return;
}
SocketCoupler(master_fd, slave_fd);
}, master_fd);
t.detach();
}
}
//-----------------------------------------------------------------------------
int main(int argc, char** argv) {
if(SDL_Init(SDL_INIT_TIMER|SDL_INIT_EVENTS) != 0) {
fprintf(stderr, "ER: SDL_Init: %s\n", SDL_GetError());
exit(-1);
}
if(SDLNet_Init() == -1) {
fprintf(stderr, "ER: SDLNet_Init: %s\n", SDLNet_GetError());
exit(-1);
}
IPaddress ip;
if(SDLNet_ResolveHost(&ip, NULL, 8099) == -1) {
fprintf(stderr, "ER: SDLNet_ResolveHost: %s\n", SDLNet_GetError());
exit(-1);
}
sockets[SERVER_SOCKET] = SDLNet_TCP_Open(&ip);
if(sockets[SERVER_SOCKET] == NULL) {
fprintf(stderr, "ER: SDLNet_TCP_Open: %s\n", SDLNet_GetError());
exit(-1);
}
socket_set = SDLNet_AllocSocketSet(MAX_SOCKETS);
if(socket_set == NULL) {
fprintf(stderr, "ER: SDLNet_AllocSocketSet: %s\n", SDLNet_GetError());
exit(-1);
}
if(SDLNet_TCP_AddSocket(socket_set, sockets[SERVER_SOCKET]) == -1) {
fprintf(stderr, "ER: SDLNet_TCP_AddSocket: %s\n", SDLNet_GetError());
exit(-1);
}
int running = 1;
while(running) {
int num_rdy = SDLNet_CheckSockets(socket_set, 1000);
if(num_rdy <= 0) {
// NOTE: none of the sockets are ready
int ind;
for(ind=0; ind<MAX_SOCKETS; ++ind) {
if(!clients[ind].in_use) continue;
/*
if(clients[ind].questing &&
(SDL_GetTicks()-clients[ind].timer_wood)>WOOD_WAIT_TIME
) {
clients[ind].questing = 0;
clients[ind].amt_wood += 4;
char msg[0xFF] = "> quest complete\n\r";
SendData(ind, msg, (strlen(msg)+1));
}
*/
clients[ind].amt_wood += 4;
/*
uint16_t length = 0;
uint8_t data[MAX_PACKET];
memcpy(data+length, &clients[ind].amt_wood, sizeof(uint8_t));
length += sizeof(uint8_t);
SendData(ind, data, length, FLAG_WOOD_UPDATE);
*/
}
} else {
int ind;
for(ind=0; (ind<MAX_SOCKETS) && num_rdy; ++ind) {
if(sockets[ind] == NULL) continue;
if(!SDLNet_SocketReady(sockets[ind])) continue;
if(ind == SERVER_SOCKET) {
int got_socket = AcceptSocket(next_ind);
if(!got_socket) {
num_rdy--;
continue;
}
// NOTE: get a new index
int chk_count;
for(chk_count=0; chk_count<MAX_SOCKETS; ++chk_count) {
if(sockets[(next_ind+chk_count)%MAX_SOCKETS] == NULL) break;
}
next_ind = (next_ind+chk_count)%MAX_SOCKETS;
printf("DB: new connection (next_ind = %d)\n", next_ind);
num_rdy--;
} else {
uint8_t* data;
uint16_t flag;
uint16_t length;
data = RecvData(ind, &length, &flag);
if(data == NULL) {
num_rdy--;
continue;
}
switch(flag) {
case FLAG_WOOD_UPDATE: {
uint16_t offset = 0;
uint8_t send_data[MAX_PACKET];
memcpy(send_data+offset, &clients[ind].amt_wood, sizeof(uint8_t));
offset += sizeof(uint8_t);
SendData(ind, send_data, offset, FLAG_WOOD_UPDATE);
} break;
}
/*
uint8_t* data; int length;
data = RecvData(ind, &length);
if(data == NULL) {
num_rdy--;
continue;
}
int i;
for(i=0; i<length; ++i) {
if(data[i] == '\n') data[i] = '\0';
if(data[i] == '\r') data[i] = '\0';
}
// TEMP: add a NULL terminator
data = (uint8_t*) realloc(data, (length+1));
data[length] = '\0';
int was_processed = 0;
if(!strcmp(data, "exit")) {
was_processed = 1;
running = 0;
} else if(!strcmp(data, "quit")) {
was_processed = 1;
CloseSocket(ind);
} else if(!strcmp(data, "get data")) {
was_processed = 1;
char msg[0xFF] = {};
sprintf(msg, "> wood: %d\n\r", clients[ind].amt_wood);
//SendData(ind, msg, (strlen(msg)+1));
} else if(!strcmp(data, "quest")) {
was_processed = 1;
if(!clients[ind].questing) {
clients[ind].questing = 1;
clients[ind].timer_wood = SDL_GetTicks();
char msg[0xFF] = "> started quest\n\r";
//SendData(ind, msg, (strlen(msg)+1));
} else {
char msg[0xFF] = "> currently running quest\n\r";
//SendData(ind, msg, (strlen(msg)+1));
}
}
if(was_processed) printf("PR: %s\n", data);
free(data);
*/
num_rdy--;
}
}
}
}
int i;
for(i=0; i<MAX_SOCKETS; ++i) {
if(sockets[i] == NULL) continue;
CloseSocket(i);
}
SDLNet_FreeSocketSet(socket_set);
SDLNet_Quit();
SDL_Quit();
return 0;
}
LRESULT CALLBACK WndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam) {
int wmId, wmEvent;
LPMINMAXINFO minInfo;
static SOCKET serverSocket;
static SOCKET clientSocket;
switch (message) {
case WM_CREATE:
serverSocket = CreateSocket(hWnd);
connectionStatus = statusNotConnected;
EnableMenuItem(GetMenu(hWnd), IDM_DISCONNECT, MF_BYCOMMAND | MF_GRAYED);
ListAddresses();
break;
case WM_NETWORK:
switch (WSAGETSELECTEVENT(lParam)) {
case FD_ACCEPT:
clientSocket = AcceptSocket(hWnd, serverSocket);
break;
case FD_CLOSE:
if (connectionStatus == statusConnected)
CloseSocket(hWnd, clientSocket);
break;
}
break;
case WM_COMMAND:
wmId = LOWORD(wParam);
wmEvent = HIWORD(wParam);
switch (wmId) {
case IDM_ABOUT:
DialogBox(hInst, MAKEINTRESOURCE(IDD_ABOUTBOX), hWnd, About);
break;
case IDM_EXIT:
Shell_NotifyIcon(NIM_DELETE, &trayIcon[trayIconNotConnected]);
DestroyWindow(hWnd);
break;
case IDM_TRAY:
HideInTray(hWnd, TRUE);
break;
case IDM_DISCONNECT:
if (connectionStatus == statusConnected)
CloseSocket(hWnd, clientSocket);
break;
case IDM_OPEN:
HideInTray(hWnd, FALSE);
break;
default:
return DefWindowProc(hWnd, message, wParam, lParam);
}
break;
case WM_GETMINMAXINFO:
minInfo = (LPMINMAXINFO)lParam;
minInfo->ptMinTrackSize.x = kWidthMin;
minInfo->ptMinTrackSize.y = kHeightMin;
break;
case WM_PAINT:
DisplayWindow(hWnd);
break;
case WM_SYSCOMMAND:
if (wParam == SC_MINIMIZE)
HideInTray(hWnd, TRUE);
else
return DefWindowProc(hWnd, message, wParam, lParam);
break;
case WM_CLOSE:
HideInTray(hWnd, TRUE);
break;
case WM_DESTROY:
PostQuitMessage(0);
break;
case WM_TRAYMENU:
if (wParam == kTrayId) {
switch (lParam) {
case WM_RBUTTONDOWN:
DisplayTrayMenu(hWnd);
break;
case WM_LBUTTONDBLCLK:
HideInTray(hWnd, !bInTray);
break;
default:
break;
}
}
break;
default:
return DefWindowProc(hWnd, message, wParam, lParam);
}
return 0;
}
int CXSPAsyncSocket::SocketIOEpollWait(int timeout)
{
while(true)
{
pthread_t thrid = pthread_self();
EpollWaitObject *pEwobj=NULL;
if(this->m_ThreadId2Ewobj.Find(thrid, pEwobj) != 0)
{
pthread_exit((void *)"the map without the thread data");
break;
}
int &epollId = pEwobj->epollId;
vector<EPOLLEVENT> &vEvents = pEwobj->vEvents;
volatile int &maxEvent = pEwobj->maxEvent;
SIGSETT &sigset = pEwobj->sigset;
int ret = epoll_pwait(epollId, &vEvents[0], maxEvent, timeout, &sigset);
if(0 == ret) continue;//timeout
else if(0 > ret)
{
err_ret(GetLastError(ERROR_EPOLL_WAIT));
if(EINTR == errno || EAGAIN == errno)
continue;
pthread_exit((void *)"epoll pwait error");
return -1;
}
int &fds = ret;//监听套接子的个数
for(int i=0; i<fds && i<maxEvent; ++i)
{
struct sockaddr addr;
EPOLLEVENT &event = vEvents[i];
if(m_socket.sock_fd == event.data.fd)
{
int clifd = 0;
while( 0 < (clifd = AcceptSocket(&addr)) )
{
SetAsyncSocket(clifd);
SocketEpollAdd(clifd, EPOLLET | EPOLLIN | EPOLLET);
#ifndef Debug
printf("Add epoll event %d", clifd);
#endif
}
if(-1 == clifd && errno != EAGAIN &&
ECONNABORTED !=errno && EPROTO!=errno && EINTR != errno)
{
err_ret(GetLastError(ERROR_ACCEPT_SOCK));
}
continue;
}
else if(EPOLLIN & event.events)//read data
{
int &fd = event.data.fd;
string szRecvData;
szRecvData.resize(4);
int reLen = 0, offset=0;
while((reLen=read(fd, &szRecvData[offset], 4)) > 0)
{
offset += reLen;
szRecvData.resize(offset+1024);
}
if((reLen < 0 && errno==ECONNRESET)
|| (0 == reLen) )
{
close(fd);
SocketEpollDel(fd, event.events);
continue;
}
else if(reLen < 0) continue;
szRecvData.resize(offset);
this->m_deque.PushBack(szRecvData);
#ifndef Debug
printf("recv epoll data from %d", fd);
#endif
}
else if(EPOLLOUT & event.events )//write data
{
int &fd = event.data.fd;
string szSendData = (char *)event.data.ptr;
int datalen = szSendData.size(), sendlen=0;
while(0 < datalen)
{
sendlen=write(fd, szSendData.c_str(), datalen);
if(sendlen < 0)
{
if(-1 == sendlen && errno != EAGAIN)
{
err_ret(GetLastError(ERROR_SEND_SOCK));
}
break;
}
datalen -= sendlen;
}
}
}
}
return 0;
}
