78 lines
3.0 KiB
C++
78 lines
3.0 KiB
C++
// Copyright (2019-2022) Paul Scherrer Institute
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// SPDX-License-Identifier: GPL-3.0-or-later
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#include <cstring>
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#include "ProcessJFPacket.h"
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#include "RawJFUDPPacket.h"
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#include "../common/JFJochException.h"
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ProcessJFPacket::ProcessJFPacket(ThreadSafeFIFO<Completion> &in_c, ThreadSafeFIFO<ProcessWorkRequest> &in_wr,
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uint32_t nmodules, JFConversion *in_conversion)
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: c_fifo(in_c),
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wr_fifo(in_wr),
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module_info(2 * nmodules),
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conversion(in_conversion) {
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for (auto &i: module_info)
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i.c.frame_number = UINT64_MAX;
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}
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ProcessJFPacket::~ProcessJFPacket() {
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for (auto &i: module_info) {
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if (i.c.frame_number != UINT64_MAX)
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c_fifo.Put(i.c);
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}
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}
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bool ProcessJFPacket::ProcessPacket(jf_payload *datagram, uint32_t src_ip) {
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if (datagram->framenum == 0)
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throw JFJochException(JFJochExceptionCategory::ArrayOutOfBounds, "Frame number cannot be zero");
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uint64_t frame_number = datagram->framenum - 1;
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uint32_t ipv4_src_addr_host = src_ip >> 24;
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uint64_t module_number = (ipv4_src_addr_host % 32) / 2;
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bool second_half_module = (ipv4_src_addr_host % 2 == 1);
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uint32_t packetnum = datagram->packetnum | (second_half_module ? 64 : 0);
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uint64_t counter = (module_number * 2) | (frame_number % 2);
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if (counter > module_info.size())
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throw JFJochException(JFJochExceptionCategory::ArrayOutOfBounds, "Module number out of bounds");
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{
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std::shared_lock<std::shared_mutex> sl(m);
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if (module_info[counter].c.frame_number != frame_number) {
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sl.unlock();
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{
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std::unique_lock<std::shared_mutex> ul(m);
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if (module_info[counter].c.frame_number != UINT64_MAX)
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c_fifo.Put(module_info[counter].c);
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auto wr = wr_fifo.GetBlocking();
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module_info[counter].c.type = Completion::Type::Image;
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module_info[counter].c.frame_number = frame_number;
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module_info[counter].c.timestamp = datagram->timestamp;
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module_info[counter].c.bunchid = datagram->bunchid;
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module_info[counter].c.debug = datagram->debug;
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module_info[counter].c.packet_mask[0] = 0;
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module_info[counter].c.packet_mask[1] = 0;
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module_info[counter].c.packet_count = 0;
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module_info[counter].c.module = module_number;
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module_info[counter].c.handle = wr.handle;
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module_info[counter].ptr = wr.ptr;
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}
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sl.lock();
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}
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module_info[counter].c.packet_count++;
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module_info[counter].c.packet_mask[packetnum >= 64 ? 1 : 0] |= (1LU << (packetnum % 64));
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if (conversion)
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conversion->ConvertPacket((int16_t *) (module_info[counter].ptr + 4096 * packetnum), datagram->data,
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packetnum);
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else
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memcpy(module_info[counter].ptr + 4096 * packetnum, datagram->data, 4096 * sizeof(uint16_t));
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}
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return true;
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}
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