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authorNicolas "Pixel" Noble <pixel@nobis-crew.org>2013-12-21 23:49:52 -0800
committerNicolas "Pixel" Noble <pixel@nobis-crew.org>2013-12-21 23:49:52 -0800
commit4fb18f31865f9766579d7221b040b1da9c98b561 (patch)
tree3ae77b80dd383c9c623c15c06e6144cfc084f228 /src
parenta46ed587d6bac9dcda69b56979b2f0398013b5ef (diff)
WebSockets can now send frames.
Diffstat (limited to 'src')
-rw-r--r--src/BStream.cc1
-rw-r--r--src/BWebSocket.cc96
-rw-r--r--src/Task.cc3
3 files changed, 98 insertions, 2 deletions
diff --git a/src/BStream.cc b/src/BStream.cc
index 3a3f972..b8f5433 100644
--- a/src/BStream.cc
+++ b/src/BStream.cc
@@ -14,6 +14,7 @@ void Balau::BStream::close() throw (Balau::GeneralException) {
if (!m_detached)
m_h->close();
free(m_buffer);
+ m_buffer = NULL;
m_availBytes = 0;
m_cursor = 0;
}
diff --git a/src/BWebSocket.cc b/src/BWebSocket.cc
index 370b702..3e81e7d 100644
--- a/src/BWebSocket.cc
+++ b/src/BWebSocket.cc
@@ -5,11 +5,107 @@
#define rotate(value) (((value) << 8) | ((value) >> 24))
+Balau::WebSocketFrame::WebSocketFrame(const uint8_t * data, size_t len, uint8_t opcode, bool doMask) {
+ m_len = len;
+ m_headerSize = 2;
+ if (m_len >= 126) m_headerSize += 2;
+ if (m_len >= 65536) m_headerSize += 6;
+ if (doMask) m_headerSize += 4;
+ m_data = (uint8_t *)malloc(m_len + m_headerSize);
+ uint8_t * maskPtr;
+
+ m_data[0] = 0x80 | opcode;
+ m_data[1] = doMask ? 0x80 : 0x00;
+ if (m_len < 125) {
+ m_data[1] |= m_len;
+ maskPtr = m_data + 2;
+ } else if (m_len < 65536) {
+ m_data[1] |= 126;
+ m_data[2] = m_len >> 8;
+ m_data[3] = m_len & 0xff;
+ maskPtr = m_data + 4;
+ } else {
+ m_data[1] |= 127;
+ uint8_t * lenPtr = maskPtr = m_data + 10;
+ size_t len = m_len;
+ *(--lenPtr) = len & 0xff; len >>= 8;
+ *(--lenPtr) = len & 0xff; len >>= 8;
+ *(--lenPtr) = len & 0xff; len >>= 8;
+ *(--lenPtr) = len & 0xff; len >>= 8;
+ *(--lenPtr) = len & 0xff; len >>= 8;
+ *(--lenPtr) = len & 0xff; len >>= 8;
+ *(--lenPtr) = len & 0xff; len >>= 8;
+ *(--lenPtr) = len & 0xff; len >>= 8;
+ }
+
+ if (doMask) {
+ uint32_t mask = m_mask;
+ for (int i = 0; i < 4; i++) {
+ *(maskPtr++) = mask >> 24;
+ mask <<= 8;
+ }
+ } else {
+ m_mask = 0;
+ }
+
+ if (data) memcpy(maskPtr, data, m_len);
+}
+
+uint8_t & Balau::WebSocketFrame::operator[](size_t idx) {
+ static uint8_t dummy = 0;
+ if (idx >= m_len) return dummy;
+ return m_data[idx + m_headerSize];
+}
+
+void Balau::WebSocketFrame::send(Balau::IO<Balau::Handle> socket) {
+ size_t totalLen = m_headerSize + m_len;
+
+ if (m_mask) {
+ for (int i = m_headerSize; i < totalLen; i++) {
+ m_data[i] ^= m_mask >> 24;
+ m_mask = rotate(m_mask);
+ }
+ m_mask = 0;
+ }
+
+ while (m_bytesSent < totalLen) {
+ ssize_t r = socket->write(m_data + m_bytesSent, totalLen - m_bytesSent);
+ if (r < 0)
+ m_bytesSent = totalLen;
+ else
+ m_bytesSent += r;
+ }
+}
+
+Balau::WebSocketWorker::~WebSocketWorker() {
+ free(m_payload);
+ delete m_sending;
+ while (!m_sendQueue.isEmpty())
+ delete m_sendQueue.pop();
+}
+
void Balau::WebSocketWorker::Do() {
uint8_t c;
+ waitFor(m_sendQueue.getEvent());
+ m_sendQueue.getEvent()->resetMaybe();
+
try {
while (!m_socket->isClosed()) {
+ for (;;) {
+ if (m_sending)
+ m_sending->send(m_socket);
+
+ if (!m_sendQueue.isEmpty())
+ m_sending = m_sendQueue.pop();
+ else
+ break;
+ if (m_socket->isClosed()) return;
+ }
+
+ delete m_sending;
+ m_sending = NULL;
+
switch (m_state) {
case READ_H:
m_socket->read(&c, 1);
diff --git a/src/Task.cc b/src/Task.cc
index c97077b..9b15062 100644
--- a/src/Task.cc
+++ b/src/Task.cc
@@ -370,8 +370,7 @@ void * Balau::QueueBase::iPop(Events::Async * event, bool wait) {
m_lock.leave();
Task::operationYield(event, Task::INTERRUPTIBLE);
m_lock.enter();
- if (event->gotSignal())
- event->reset();
+ event->resetMaybe();
} else {
pthread_cond_wait(&m_cond, &m_lock.m_lock);
}