void JObjectWrap::set_jholder(JObject& jholder) {
IOTJS_ASSERT(_jholder == NULL);
IOTJS_ASSERT(jholder.IsObject());
JRawValueType raw_value = jholder.raw_value();
_jholder = new JObject(&raw_value, false);
}
void OnRead(uv_stream_t* handle, ssize_t nread, const uv_buf_t* buf) {
TcpWrap* tcp_wrap = reinterpret_cast<TcpWrap*>(handle->data);
IOTJS_ASSERT(tcp_wrap != NULL);
// tcp handle
JObject jtcp = tcp_wrap->jobject();
IOTJS_ASSERT(jtcp.IsObject());
// socket object
JObject jsocket = jtcp.GetProperty("owner");
IOTJS_ASSERT(jsocket.IsObject());
// onread callback
JObject jonread = jtcp.GetProperty("onread");
IOTJS_ASSERT(jonread.IsFunction());
JArgList jargs(4);
jargs.Add(jsocket);
jargs.Add(JVal::Number((int)nread));
jargs.Add(JVal::Bool(false));
if (nread <= 0) {
if (buf->base != NULL) {
ReleaseBuffer(buf->base);
}
if (nread < 0) {
if (nread == UV__EOF) {
jargs.Set(2, JVal::Bool(true));
}
MakeCallback(jonread, JObject::Null(), jargs);
}
return;
}
JObject jbuffer(CreateBuffer(static_cast<size_t>(nread)));
BufferWrap* buffer_wrap = BufferWrap::FromJBuffer(jbuffer);
buffer_wrap->Copy(buf->base, nread);
jargs.Add(jbuffer);
MakeCallback(jonread, JObject::Null(), jargs);
ReleaseBuffer(buf->base);
}
JObjectWrap::JObjectWrap(JObject& jobject)
: _jobject(NULL) {
IOTJS_ASSERT(jobject.IsObject());
// This wrapper hold pointer to the javascript object but never increase
// reference count.
JRawValueType raw_value = jobject.raw_value();
_jobject = new JObject(&raw_value, false);
// Set native pointer of the object to be this wrapper.
// If the object is freed by GC, the wrapper instance should also be freed.
_jobject->SetNative((uintptr_t)this, FreeObjectWrap);
}
// Socket close result handler.
static void AfterClose(uv_handle_t* handle) {
HandleWrap* tcp_wrap = HandleWrap::FromHandle(handle);
IOTJS_ASSERT(tcp_wrap != NULL);
// tcp object.
JObject jtcp = tcp_wrap->jobject();
IOTJS_ASSERT(jtcp.IsObject());
// callback function.
JObject jcallback = jtcp.GetProperty("onclose");
if (jcallback.IsFunction()) {
MakeCallback(jcallback, JObject::Null(), JArgList::Empty());
}
}
// A client socket wants to connect to this server.
// Parameters:
// * uv_stream_t* handle - server handle
// * int status - status code
static void OnConnection(uv_stream_t* handle, int status) {
// Server tcp wrapper.
TcpWrap* tcp_wrap = reinterpret_cast<TcpWrap*>(handle->data);
IOTJS_ASSERT(tcp_wrap->tcp_handle() == reinterpret_cast<uv_tcp_t*>(handle));
// Tcp object
JObject jtcp = tcp_wrap->jobject();
IOTJS_ASSERT(jtcp.IsObject());
// `onconnection` callback.
JObject jonconnection = jtcp.GetProperty("onconnection");
IOTJS_ASSERT(jonconnection.IsFunction());
// The callback takes two parameter
// [0] status
// [1] client tcp object
JArgList args(2);
args.Add(JVal::Number(status));
if (status == 0) {
// Create client socket handle wrapper.
JObject jcreate_tcp = jtcp.GetProperty("createTCP");
IOTJS_ASSERT(jcreate_tcp.IsFunction());
JObject jclient_tcp = jcreate_tcp.CallOk(JObject::Null(),
JArgList::Empty());
IOTJS_ASSERT(jclient_tcp.IsObject());
TcpWrap* tcp_wrap = reinterpret_cast<TcpWrap*>(jclient_tcp.GetNative());
uv_stream_t* client_handle =
reinterpret_cast<uv_stream_t*>(tcp_wrap->tcp_handle());
int err = uv_accept(handle, client_handle);
if (err) {
return;
}
args.Add(jclient_tcp);
}
MakeCallback(jonconnection, jtcp, args);
}