int main(int argc, char **argv) {
initiate(argc, argv); /* initialize executor */
#ifndef BASIC
socket_setup();
network_socket = socket_connect();
#endif
runsys(); /* initialize running system */
if (has_network_socket()) {
request_id();
GraphRes = get_graph_res();
graph_setstatus();
if (GraphRes < 0) exit(12);
if (remote) send_ready();
}
setjmp (contenv); /* set label for continue long jump */
while (TRUE) { /* repeat until exit() is called */
get_internal();
schedule(); /* reschedule current process */
if (ready != 0) {
decode(); /* fetch instruction */
execute(); /* and execute it */
}
}
return 0;
} /* end main */
// Optionally compress an output block and send it
void flow_t::send_output(line_details_t* const line, const int b) {
const auto block = line->pre.line.block(b);
const auto owner_and_id = output_blocks.partition->find_block(line->pre.line.section,block);
const int owner = owner_and_id.x;
const local_id_t owner_block_id = owner_and_id.y;
const int tag = request_id(owner_block_id,line->pre.line.dimension);
const auto event = line->pre.line.block_line_event(b);
MPI_Request request;
#if PENTAGO_MPI_COMPRESS_OUTPUTS
// Send compressed block
thread_time_t time(output_send_kind,event);
const auto compressed = line->compressed_output_block_data(b);
CHECK(MPI_Isend((void*)compressed.data(),compressed.size(),MPI_BYTE,owner,tag,comms.output_comm,&request));
PENTAGO_MPI_TRACE("send output %p: owner %d, owner block id %d, dimension %d, count %d, tag %d, event 0x%llx",line,owner,owner_block_id.id,line->pre.line.dimension,compressed.size(),tag,event);
#else
// Send without compression
thread_time_t time(output_send_kind,event);
const auto block_data = line->output_block_data(b);
CHECK(MPI_Isend((void*)block_data.data(),8*block_data.size(),MPI_LONG_LONG_INT,owner,tag,comms.output_comm,&request));
PENTAGO_MPI_TRACE("send output %p: owner %d, owner block id %d, dimension %d, count %d, tag %d, event 0x%llx",line,owner,owner_block_id.id,line->pre.line.dimension,block_data.size(),tag,event);
#endif
requests.add(request,curry(&flow_t::finish_output_send,this,line));
}
bool CWRequest::ReceiveFromBridge(string sSessionID, string* pRequestID, bool* pSetResponseCookie, bool* pSecure, bool* pKeepAlive, bool bLongPolling, int iTimeoutMS, CWCallbackFunction pCallback, const void* pCallbackArg, int iCallbackIntervalMS, string* pErrorMessage)
{
if(sSessionID == "")
{
if(pErrorMessage != NULL) *pErrorMessage = "session_id is empty.";
return false;
}
Clear();
// ---
// read request id from queue
// ---
string queue_filename = "";
if(bLongPolling)
{
queue_filename = TempDir() + sSessionID + ".queue_lp";
// if no long polling request is waiting, return false
int queue_size = 0;
if(!FileExists(queue_filename, &queue_size))
return false;
if(queue_size <= 0)
return false;
}
else
queue_filename = TempDir() + sSessionID + ".queue";
char* buffer = NULL;
int buffer_size = 0;
if(!PopData(queue_filename, (void**)&buffer, &buffer_size, iTimeoutMS, pCallback, pCallbackArg, iCallbackIntervalMS, pErrorMessage))
return false;
string request_id(buffer, buffer_size);
free(buffer);
// ---
// read request from file
// ---
string request_filename = TempDir() + request_id + ".request";
int fd = -1;
int file_size = 0;
if(!FileOpenExistingAndLock(request_filename, REQUEST_RECEIVE_TIMEOUT, &fd, &file_size, pErrorMessage))
return false;
// query
if(!FileReadStringList(fd, Query, pErrorMessage))
{
FileUnlockAndClose(fd, NULL);
return false;
}
// post
if(!FileReadStringList(fd, Post, pErrorMessage))
{
FileUnlockAndClose(fd, NULL);
return false;
}
// cookie
if(!FileReadStringList(fd, Cookie, pErrorMessage))
{
FileUnlockAndClose(fd, NULL);
return false;
}
// env
if(!FileReadStringList(fd, Env, pErrorMessage))
{
FileUnlockAndClose(fd, NULL);
return false;
}
// unlock file
FileUnlockAndClose(fd, NULL);
// delete file
FileDelete(request_filename, NULL);
if(Cookie->GetValue("session_id") != sSessionID)
{
Cookie->SetValue("session_id", sSessionID);
*pSetResponseCookie = true;
}
else
*pSetResponseCookie = false;
if(Env->GetValue("HTTPS") == "on")
*pSecure = true;
else
*pSecure = false;
if(pKeepAlive != NULL) *pKeepAlive = GetValue("keep_alive") == "1" || GetValue("keep_alive") == "true";
*pRequestID = request_id;
return true;
}
