77 lines
2.9 KiB
C++
77 lines
2.9 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 "ZMQImagePusher.h"
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#include "JFJochException.h"
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ZMQImagePusher::ZMQImagePusher(ZMQContext &zmq_context, const std::vector<std::string> &addr,
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int32_t send_buffer_high_watermark, int32_t send_buffer_size) {
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if (addr.empty())
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throw JFJochException(JFJochExceptionCategory::InputParameterInvalid,
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"No writer ZMQ address provided");
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for (const auto &a : addr) {
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auto s = std::make_unique<ZMQSocket>(zmq_context, ZMQSocketType::Push);
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if (send_buffer_size > 0)
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s->SendBufferSize(send_buffer_size);
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if (send_buffer_high_watermark > 0)
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s->SendWaterMark(send_buffer_high_watermark);
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s->Bind(a);
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sockets.push_back(std::move(s));
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}
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}
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ZMQImagePusher::ZMQImagePusher(const std::vector<std::string> &addr,
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int32_t send_buffer_high_watermark, int32_t send_buffer_size) {
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if (addr.empty())
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throw JFJochException(JFJochExceptionCategory::InputParameterInvalid,
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"No writer ZMQ address provided");
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for (const auto &a : addr) {
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auto c = std::make_unique<ZMQContext>();
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auto s = std::make_unique<ZMQSocket>(*c, ZMQSocketType::Push);
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if (send_buffer_size > 0)
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s->SendBufferSize(send_buffer_size);
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if (send_buffer_high_watermark > 0)
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s->SendWaterMark(send_buffer_high_watermark);
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s->Bind(a);
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contexts.push_back(std::move(c));
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sockets.push_back(std::move(s));
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}
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}
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void ZMQImagePusher::SendDataInternal(const std::vector<uint8_t> &serialized_image, int64_t image_number) {
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if (sockets.empty())
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return;
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auto socket_number = (image_number % file_count) % sockets.size();
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sockets[socket_number]->Send(serialized_image.data(), serialized_image.size());
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}
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void ZMQImagePusher::StartDataCollection(const StartMessage& message) {
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JFJochFrameSerializer serializer(80*1024*1024); // 80 MiB should be safe even for 16M
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if (message.data_file_count < 1)
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throw JFJochException(JFJochExceptionCategory::InputParameterInvalid,
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"File count cannot be zero or negative");
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file_count = message.data_file_count;
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serializer.SerializeSequenceStart(message);
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auto &buffer = serializer.GetBuffer();
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for (const auto &s: sockets)
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s->Send(buffer.data(), buffer.size(), true);
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}
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void ZMQImagePusher::EndDataCollection(const EndMessage& message) {
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JFJochFrameSerializer serializer(1024*1024);
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EndMessage end_message = message;
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for (const auto &s: sockets) {
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serializer.SerializeSequenceEnd(end_message);
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auto &buffer = serializer.GetBuffer();
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s->Send(buffer.data(), buffer.size(), true);
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end_message.write_master_file = false;
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}
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} |