void FeatureFloodCount::communicateAndMerge()
{
// First we need to transform the raw data into a usable data structure
populateDataStructuresFromFloodData();
/*********************************************************************************
*********************************************************************************
* Begin Parallel Communication Section
*********************************************************************************
*********************************************************************************/
/**
* The libMesh packed range routines handle the communication of the individual
* string buffers. Here we need to create a container to hold our type
* to serialize. It'll always be size one because we are sending a single
* byte stream of all the data to other processors. The stream need not be
* the same size on all processors.
*/
std::vector<std::string> send_buffers(1);
/**
* Additionally we need to create a different container to hold the received
* byte buffers. The container type need not match the send container type.
* However, We do know the number of incoming buffers (num processors) so we'll
* go ahead and use a vector.
*/
std::vector<std::string> recv_buffers;
recv_buffers.reserve(_app.n_processors());
serialize(send_buffers[0]);
/**
* Each processor needs information from all other processors to create a complete
* global feature map.
*/
_communicator.allgather_packed_range((void *)(NULL), send_buffers.begin(), send_buffers.end(),
std::back_inserter(recv_buffers));
deserialize(recv_buffers);
/*********************************************************************************
*********************************************************************************
* End Parallel Communication Section
*********************************************************************************
*********************************************************************************/
// We'll inflate the bounding boxes by a percentage of the domain
RealVectorValue inflation;
for (unsigned int i = 0; i < LIBMESH_DIM; ++i)
inflation(i) = _mesh.dimensionWidth(i);
// Let's try 1%
inflation *= 0.01;
inflateBoundingBoxes(inflation);
mergeSets(true);
}
void FeatureFloodCount::communicateAndMerge()
{
// First we need to transform the raw data into a usable data structure
prepareDataForTransfer();
/*********************************************************************************
*********************************************************************************
* Begin Parallel Communication Section
*********************************************************************************
*********************************************************************************/
/**
* The libMesh packed range routines handle the communication of the individual
* string buffers. Here we need to create a container to hold our type
* to serialize. It'll always be size one because we are sending a single
* byte stream of all the data to other processors. The stream need not be
* the same size on all processors.
*/
std::vector<std::string> send_buffers(1);
/**
* Additionally we need to create a different container to hold the received
* byte buffers. The container type need not match the send container type.
* However, We do know the number of incoming buffers (num processors) so we'll
* go ahead and use a vector.
*/
std::vector<std::string> recv_buffers;
recv_buffers.reserve(_app.n_processors());
serialize(send_buffers[0]);
/**
* Each processor needs information from all other processors to create a complete
* global feature map.
*/
_communicator.allgather_packed_range((void *)(nullptr), send_buffers.begin(), send_buffers.end(),
std::back_inserter(recv_buffers));
deserialize(recv_buffers);
/*********************************************************************************
*********************************************************************************
* End Parallel Communication Section
*********************************************************************************
*********************************************************************************/
mergeSets(true);
}
void FeatureFloodCount::communicateAndMerge()
{
// First we need to transform the raw data into a usable data structure
prepareDataForTransfer();
/**
* The libMesh packed range routines handle the communication of the individual
* string buffers. Here we need to create a container to hold our type
* to serialize. It'll always be size one because we are sending a single
* byte stream of all the data to other processors. The stream need not be
* the same size on all processors.
*/
std::vector<std::string> send_buffers(1);
/**
* Additionally we need to create a different container to hold the received
* byte buffers. The container type need not match the send container type.
* However, We do know the number of incoming buffers (num processors) so we'll
* go ahead and use a vector.
*/
std::vector<std::string> recv_buffers;
if (_is_master)
recv_buffers.reserve(_app.n_processors());
serialize(send_buffers[0]);
// Free up as much memory as possible here before we do global communication
clearDataStructures();
/**
* Send the data from all processors to the root to create a complete
* global feature map.
*/
_communicator.gather_packed_range(0, (void *)(nullptr), send_buffers.begin(), send_buffers.end(),
std::back_inserter(recv_buffers));
if (_is_master)
{
// The root process now needs to deserialize and merge all of the data
deserialize(recv_buffers);
recv_buffers.clear();
mergeSets(true);
}
// Make sure that feature count is communicated to all ranks
_communicator.broadcast(_feature_count);
}
void
SlopeReconstructionBase::finalize()
{
ElementLoopUserObject::finalize();
if (_app.n_processors() > 1)
{
_side_geoinfo_cached = true;
std::vector<std::string> send_buffers(1);
std::vector<std::string> recv_buffers;
recv_buffers.reserve(_app.n_processors());
serialize(send_buffers[0]);
comm().allgather_packed_range((void *)(nullptr), send_buffers.begin(), send_buffers.end(), std::back_inserter(recv_buffers));
deserialize(recv_buffers);
}
}
/*
* Handle an ack charLpEvent.
*/
static void vioHandleAck(struct HvLpEvent *event)
{
struct viocharlpevent *cevent = (struct viocharlpevent *)event;
unsigned long flags;
u8 port = cevent->virtual_device;
if (port >= VTTY_PORTS) {
printk(VIOCONS_KERN_WARN "data on invalid virtual device\n");
return;
}
spin_lock_irqsave(&consolelock, flags);
port_info[port].ack = event->xCorrelationToken;
spin_unlock_irqrestore(&consolelock, flags);
if (port_info[port].used)
send_buffers(&port_info[port]);
}
int proxy_data_coming(event_t *ev, void *arg)
{
request_t *req;
connection_t *conn = (connection_t *)arg;
conn->buf = lt_new_buffer_chain(conn->buf_pool_manager,
DEFAULT_UPSTREAM_BUFFER_SIZE);
int rv = lt_recv(conn->fd, conn->buf);//nginx just recv a part
if (rv == LAGAIN) {
conn->status = L_PROXY_WAITING_RESPONSE;
} else if (rv == LCLOSE) {
debug_print("%s", "proxy FD CLOSE\n");
conn->status = L_PROXY_CLOSING;
} else if (rv == LERROR) {
conn->status = L_PROXY_ERROR;
}
if (conn->status == L_PROXY_WAITING_RESPONSE) {
req = http_create_request(conn);
http_process_response_line(conn, req);
debug_print("%s", "SUCCESS parse response\n");
//send_chains(ev->base, conn->pair->fd, &chain);
// http_process_response_line(conn, req);
// http_process_request_line(conn, req);
}
if (conn->status == L_HTTP_WROTE_RESPONSE_HEADER) {
// if (conn->chunked) {
int client_fd = conn->pair->fd;
send_buffers(conn->ev->base, client_fd, conn->buf);
//optional
//A: splice2 in splice2 out
//B: lt_recv() in vmsplice2 out
//C:
//http_check_chunked(conn->buf);//TODO
// }
// conn->handler(conn, conn->handler_arg);
}
//send_chains(ev->base, conn->fd, <#lt_chain_t *#>)
return 0;
}
void
RestartableTypesChecker::execute()
{
// First we need to check that the data has been restored properly
checkData();
/**
* For testing the packed range routines, we'll make sure that we can pack up several types
* into a single string and send it as a packed range and successfully restore it.
*/
// Buffers for parallel communication
std::vector<std::string> send_buffers(1);
std::vector<std::string> recv_buffers;
// String streams for serialization and deserialization
std::ostringstream oss;
std::istringstream iss;
/**
* Serialize
*/
dataStore(oss, _real_data, this);
dataStore(oss, _vector_data, this);
dataStore(oss, _vector_vector_data, this);
dataStore(oss, _pointer_data, this);
dataStore(oss, _custom_data, this);
dataStore(oss, _set_data, this);
dataStore(oss, _map_data, this);
dataStore(oss, _dense_vector_data, this);
dataStore(oss, _dense_matrix_data, this);
send_buffers[0] = oss.str();
/**
* Communicate
*/
recv_buffers.reserve(_app.n_processors());
_communicator.allgather_packed_range(
(void *)(NULL), send_buffers.begin(), send_buffers.end(), std::back_inserter(recv_buffers));
if (recv_buffers.size() != _app.n_processors())
mooseError("Error in sizes of communicated buffers");
/**
* Deserialize and check
*/
for (unsigned int i = 0; i < recv_buffers.size(); ++i)
{
iss.str(recv_buffers[i]);
// reset the stream state
iss.clear();
// Clear types (just to make sure we don't get any false positives in our testing)
clearTypes();
// Now load the values
dataLoad(iss, _real_data, this);
dataLoad(iss, _vector_data, this);
dataLoad(iss, _vector_vector_data, this);
dataLoad(iss, _pointer_data, this);
dataLoad(iss, _custom_data, this);
dataLoad(iss, _set_data, this);
dataLoad(iss, _map_data, this);
dataLoad(iss, _dense_vector_data, this);
dataLoad(iss, _dense_matrix_data, this);
dataLoad(iss, *this, this);
// Finally confirm that the data is sane
checkData();
}
}
/*
* Our internal writer. Gets called both from the console device and
* the tty device. the tty pointer will be NULL if called from the console.
* Return total number of bytes "written".
*
* NOTE: Don't use printk in here because it gets nastily recursive. hvlog
* can be used to log to the hypervisor buffer
*/
static int internal_write(struct port_info *pi, const char *buf,
size_t len, struct viocharlpevent *viochar)
{
HvLpEvent_Rc hvrc;
size_t bleft;
size_t curlen;
const char *curbuf;
unsigned long flags;
int copy_needed = (viochar == NULL);
/*
* Write to the hvlog of inbound data are now done prior to
* calling internal_write() since internal_write() is only called in
* the event that an lp event path is active, which isn't the case for
* logging attempts prior to console initialization.
*
* If there is already data queued for this port, send it prior to
* attempting to send any new data.
*/
if (pi->used)
send_buffers(pi);
spin_lock_irqsave(&consolelock, flags);
/*
* If the internal_write() was passed a pointer to a
* viocharlpevent then we don't need to allocate a new one
* (this is the case where we are internal_writing user space
* data). If we aren't writing user space data then we need
* to get an event from viopath.
*/
if (copy_needed) {
/* This one is fetched from the viopath data structure */
viochar = (struct viocharlpevent *)
vio_get_event_buffer(viomajorsubtype_chario);
/* Make sure we got a buffer */
if (viochar == NULL) {
spin_unlock_irqrestore(&consolelock, flags);
hvlog("\n\rviocons: Can't get viochar buffer in internal_write().");
return -EAGAIN;
}
initDataEvent(viochar, pi->lp);
}
curbuf = buf;
bleft = len;
while ((bleft > 0) && (pi->used == 0) &&
((pi->seq - pi->ack) < VIOCHAR_WINDOW)) {
if (bleft > VIOCHAR_MAX_DATA)
curlen = VIOCHAR_MAX_DATA;
else
curlen = bleft;
viochar->event.xCorrelationToken = pi->seq++;
if (copy_needed) {
memcpy(viochar->data, curbuf, curlen);
viochar->len = curlen;
}
viochar->event.xSizeMinus1 =
offsetof(struct viocharlpevent, data) + curlen;
hvrc = HvCallEvent_signalLpEvent(&viochar->event);
if (hvrc) {
spin_unlock_irqrestore(&consolelock, flags);
if (copy_needed)
vio_free_event_buffer(viomajorsubtype_chario, viochar);
hvlog("viocons: error sending event! %d\n", (int)hvrc);
return len - bleft;
}
curbuf += curlen;
bleft -= curlen;
}
/* If we didn't send it all, buffer as much of it as we can. */
if (bleft > 0)
bleft -= buffer_add(pi, curbuf, bleft);
/*
* Since we grabbed it from the viopath data structure, return
* it to the data structure.
*/
if (copy_needed)
vio_free_event_buffer(viomajorsubtype_chario, viochar);
spin_unlock_irqrestore(&consolelock, flags);
return len - bleft;
}