int CavanThread::run(void)
{
if (mHandler) {
return mHandler(this);
}
return 0;
}
void AsyncTaskBase::Dispatch()
{
if(mIsRunning) MACRO_THROW_EXCEPTION(InvalidStateException, "Running");
if(!mIsEnabled) MACRO_THROW_EXCEPTION(InvalidStateException, "Disabled");
mIsRunning = true;
mIsComplete = false;
mIsExpired = false;
mHandler(this);
}
bool IdleInvalidator::threadLoop() {
ALOGE_IF(II_DEBUG, "shs %s", __func__);
usleep(mSleepTime * 1000);
if(mSleepAgain) {
//We need to sleep again!
mSleepAgain = false;
return true;
}
mHandler((void*)mHwcContext);
return false;
}
void JamDetector::SetJamState(bool aNewState)
{
bool shouldInvokeHandler = aNewState;
if (aNewState != mJamState)
{
mJamState = aNewState;
shouldInvokeHandler = true;
otLogInfoUtil(GetInstance(), "JamDetector - jamming %s", mJamState ? "detected" : "cleared");
}
if (shouldInvokeHandler)
{
mHandler(mJamState, mContext);
}
}
bool IdleInvalidator::threadLoop() {
ALOGD_IF(II_DEBUG, "IdleInvalidator::%s", __FUNCTION__);
struct pollfd pFd;
pFd.fd = mTimeoutEventFd;
if (pFd.fd >= 0)
pFd.events = POLLPRI | POLLERR;
// Poll for an timeout event from driver
int err = poll(&pFd, 1, -1);
if(err > 0) {
if (pFd.revents & POLLPRI) {
char data[64];
// Consume the node by reading it
ssize_t len = pread(pFd.fd, data, 64, 0);
ALOGD_IF(II_DEBUG, "IdleInvalidator::%s Idle Timeout fired len %zd",
__FUNCTION__, len);
mHandler((void*)mHwcContext);
}
}
return true;
}
/**
* Perform several algorithmic steps (or less)
* @param steps on entry: requested number of steps, on exit: actual number of steps
* -1 on exit means an error
*/
void solve(long long& steps) {
int count = -1;
while (true) {
count++;
if (count >= steps)
break;
if (mSubs.empty()) {
steps = count;
break;
}
Sub s = getSub();
mHandler(mIncumbent, s);
int n = s.mBox.mDim;
Box<FT> lb(n), rb(n);
BoxUtils::divideByLongestEdge(s.mBox, lb, rb);
Sub ls(lb);
Sub rs(rb);
putSub(ls);
putSub(rs);
}
}
void HandleRequest(Message &aMessage, const Ip6::MessageInfo &aMessageInfo) const
{
mHandler(mContext, &aMessage, &aMessageInfo);
}
void operator()(System_Event_t* e)
{
if (static_cast<WiFiEvent>(e->event) == mEvent || mEvent == WIFI_EVENT_ANY) {
mHandler(e);
}
}
void HandleEchoReply(Message &message, const MessageInfo &messageInfo) {
mHandler(mContext, message, messageInfo);
}
int MsgServer::CreateServerSocket()
{
u_long nbio = 1;
int bReuseaddr = 1;
mServerSock = socket(AF_INET, SOCK_STREAM, 0);
#ifdef WIN32
if (mServerSock == INVALID_SOCKET) {
#else
if (mServerSock < 0) {
#endif
WBTRACE("socket failed!");
goto failed;
}
#ifdef WIN32
ioctlsocket(mServerSock, FIONBIO, &nbio);
#else
fcntl(mServerSock, F_SETFL, O_NONBLOCK);
#endif
setsockopt(mServerSock, SOL_SOCKET, SO_REUSEADDR,
(const char*)&bReuseaddr, sizeof(bReuseaddr));
struct sockaddr_in server_addr;
server_addr.sin_family = AF_INET;
server_addr.sin_port = htons(mPort);
server_addr.sin_addr.s_addr = htonl (INADDR_LOOPBACK);
if (bind(mServerSock, (struct sockaddr *)&server_addr,
sizeof(server_addr)) < 0) {
LogMsg("bind failed!");
goto failed;
}
if (listen(mServerSock, MAX_CONN) == -1) {
LogMsg("listen failed!");
goto failed;
}
WBTRACE("Listening port %d ...\n", mPort);
mFailed = 0;
return 0;
failed:
WBTRACE("CreateServerSocket failed!");
#ifdef WIN32
closesocket(mServerSock);
#else
close(mServerSock);
#endif
return -1;
}
int MsgServer::Send(const char *pData)
{
if (strlen(pData) + strlen(mSendBuffer) < BUFFER_SIZE) {
strcat(mSendBuffer, pData);
return 0;
}
else {
//buffer overflow
return -1;
}
}
int MsgServer::AddTrigger(int instance, int msg, int *trigger)
{
for (int i = 0; i < MAX_TRIGGER; i++) {
if (mTriggers[i].mInstance == EMPTY_TRIGGER) {
mTriggers[i].mInstance = instance;
mTriggers[i].mMsg = msg;
mTriggers[i].mTrigger = trigger;
return 0;
}
}
//no more room
return -1;
}
int MsgServer::Listen()
{
if (mFailed)
return -1;
mCounter++;
int ret = 0;
if (mCounter >= 200 && mMsgSock < 0) {
// haven't received any connection request after 200 times. quit
return -1;
}
FD_ZERO(&readfds);
FD_ZERO(&writefds);
FD_ZERO(&exceptfds);
#ifdef WIN32
// Type cast to avoid warning message:
// warning C4018: '==' : signed/unsigned mismatch
FD_SET((UINT32)mServerSock, &readfds);
FD_SET((UINT32)mServerSock, &writefds);
FD_SET((UINT32)mServerSock, &exceptfds);
#else
FD_SET(mServerSock, &readfds);
FD_SET(mServerSock, &writefds);
FD_SET(mServerSock, &exceptfds);
#endif
// the value of the highest file descriptor plus one.
int maxfdp1 = mServerSock + 1;
if (mMsgSock >= 0) {
#ifdef WIN32
// Type cast to avoid warning message:
// warning C4018: '==' : signed/unsigned mismatch
FD_SET((UINT32)mMsgSock, &readfds);
FD_SET((UINT32)mMsgSock, &writefds);
FD_SET((UINT32)mMsgSock, &exceptfds);
#else
FD_SET(mMsgSock, &readfds);
FD_SET(mMsgSock, &writefds);
FD_SET(mMsgSock, &exceptfds);
#endif
maxfdp1 = mMsgSock + 1;
}
// wait for 1 second if no connect or recv/send socket requests.
struct timeval tv;
tv.tv_sec = 1;
tv.tv_usec = 0;
int n = select(maxfdp1, &readfds, &writefds, &exceptfds, &tv);
if (n < 0) {
WBTRACE("Exception occurred!\n");
ret = -1;
} else if (n > 0) {
if (FD_ISSET(mServerSock, &readfds)) {
struct sockaddr_in peer_addr;
int len = sizeof(peer_addr);
#ifdef WIN32
if ((mMsgSock = accept(mServerSock, (struct sockaddr*)&peer_addr,
&len)) == -1) {
#else
if ((mMsgSock = accept(mServerSock, (struct sockaddr*)&peer_addr,
(socklen_t*)&len)) == -1) {
#endif
WBTRACE("accept fail!\n");
ret = -1;
}
} else if (FD_ISSET(mServerSock, &exceptfds)) {
WBTRACE("Exception occurred!\n");
ret = -1;
} else if (FD_ISSET(mMsgSock, &readfds)) {
ret = RecvData();
} else if (FD_ISSET(mMsgSock, &writefds)) {
ret = SendData();
} else if (FD_ISSET(mMsgSock, &exceptfds)) {
WBTRACE("Exception occurred!\n");
ret = -1;
}
}
return ret;
}
int MsgServer::RecvData()
{
char recvDataBuf[BUFFER_SIZE] = "\0";
char unfinishedMsgBuf[BUFFER_SIZE] = "\0";
int len = recv(mMsgSock, recvDataBuf, BUFFER_SIZE_HALF, 0);
if (len == 0) {
// value 0 means the network connection is closed.
WBTRACE("client socket has been closed!\n");
return -1;
}
else if (len < 0) {
// value -1 indicates a failure
WBTRACE("receive fail!\n");
return len;
}
recvDataBuf[len] = 0;
WBTRACE("Client socket recv %s\n", recvDataBuf);
if (len + strlen(mRecvBuffer) < BUFFER_SIZE) {
strcat(mRecvBuffer, recvDataBuf);
memset(recvDataBuf, '\0', strlen(recvDataBuf));
}
char *delimiterPtr = strstr(mRecvBuffer, MSG_DELIMITER);
if (!delimiterPtr) {
// The message buffer has no message delimiters, should be part
// of a long ( > BUFFER_SIZE) message. Cache the message piece
// into the long message buffer (mLongRecvBuffer).
if (len + (int)strlen(mLongRecvBuffer) >= mLongRecvBufferSize) {
char *tmpRecvBuffer = mLongRecvBuffer;
mLongRecvBufferSize += BUFFER_SIZE * 4;
mLongRecvBuffer
= new char [mLongRecvBufferSize];
memset(mLongRecvBuffer, '\0', mLongRecvBufferSize);
strcpy(mLongRecvBuffer, tmpRecvBuffer);
delete [] tmpRecvBuffer;
}
strcat(mLongRecvBuffer, mRecvBuffer);
// Clear the normal message buffer for incoming new messages.
memset(mRecvBuffer, '\0', strlen(mRecvBuffer));
} else {
// Find the last message delimiter, the remaining characters are part
// of an unfinished message.
char *tmpPtr;
while (tmpPtr = strstr(delimiterPtr + strlen(MSG_DELIMITER), \
MSG_DELIMITER))
delimiterPtr = tmpPtr;
for (int i = 0; i < (int)strlen(MSG_DELIMITER); i++)
*(delimiterPtr + i) = 0;
// save the unfinished message part, if any.
strcpy(unfinishedMsgBuf, delimiterPtr + strlen(MSG_DELIMITER));
char token[BUFFER_SIZE] = "\0";
char* bufferPtr = mRecvBuffer;
while (bufferPtr != NULL) {
memset(token, '\0', strlen(token));
delimiterPtr = strstr(bufferPtr, MSG_DELIMITER);
if (delimiterPtr == NULL) {
// no delimiter, return the whole string.
strcpy(token, bufferPtr);
bufferPtr = NULL;
} else {
strncpy(token, bufferPtr, delimiterPtr - bufferPtr);
bufferPtr = delimiterPtr + strlen(MSG_DELIMITER);
}
if (token[0] == '@') {
// this is a special response message.
int instance, msg, data;
int i = sscanf(token, "@%d,%d,%d", &instance, &msg, &data);
if (i == 3) {
for (int i = 0; i < MAX_TRIGGER; i++) {
if (mTriggers[i].mInstance == instance
&& mTriggers[i].mMsg == msg) {
*(mTriggers[i].mTrigger) = data;
mTriggers[i].mInstance = EMPTY_TRIGGER;
break;
}
}
}
} else if (token[0] == '*') {
// this is quit message
if (mHandler) {
mHandler(&token[1]);
}
return -1;
} else {
if (mHandler) {
// For each message piece ending with a message delimiter,
// check whether the long message buffer is empty. If not,
// this is the end part of a long message, construct the
// complete, long message.
if (!strlen(mLongRecvBuffer)) {
mHandler(token);
} else {
// If the long message buffer is not long enough to hold this end
// message piece, alloc more space.
if (((int)strlen(mLongRecvBuffer) + (int)strlen(token))
>= mLongRecvBufferSize) {
char *tmpRecvBuffer = mLongRecvBuffer;
// one more BUFFER_SIZE space is enough for one msgToken (message).
mLongRecvBufferSize += BUFFER_SIZE;
mLongRecvBuffer
= new char [mLongRecvBufferSize];
memset(mLongRecvBuffer, '\0', mLongRecvBufferSize);
strcpy(mLongRecvBuffer, tmpRecvBuffer);
delete [] tmpRecvBuffer;
}
strcat(mLongRecvBuffer, token);
mHandler(mLongRecvBuffer);
// Clear the long message buffer.
memset(mLongRecvBuffer, '\0',
strlen(mLongRecvBuffer));
}
}
}
} // end while{}
// clear the receiver buffer, all the messages should be handled,
// except part of an unfinished message.
memset(mRecvBuffer, '\0', strlen(mRecvBuffer));
// restore the unfinished message, if any
if (strlen(unfinishedMsgBuf)) {
strcpy(mRecvBuffer, unfinishedMsgBuf);
}
// store the unhandled message since the receiver buffer is full.
if (strlen(recvDataBuf)) {
strcat(mRecvBuffer, recvDataBuf);
}
}
return len;
}
int MsgServer::SendData()
{
int len = strlen(mSendBuffer);
if (len == 0)
return 0;
len = send(mMsgSock, mSendBuffer, len, 0);
WBTRACE("Client socket send %s\n", mSendBuffer);
if (len > 0) {
mSendBuffer[0] = 0;
}
else if (len < 0) {
WBTRACE("send fail!\n");
}
return len;
}
void operator() (Params&&... ps) {
mHandler(std::forward<Params>(ps)...);
}
void HandleRequest(Header &aHeader, Message &aMessage, const Ip6::MessageInfo &aMessageInfo) {
mHandler(mContext, aHeader, aMessage, aMessageInfo);
}
void RunTask(void) { mHandler(*this); }
void Fired(void) { mHandler(mContext); }
void IdleTimer::timer_cb(int sig, siginfo_t* si, void* uc) {
mHandler((void*)si->si_value.sival_ptr);
signal(sig, SIG_IGN);
}
