37 lines
1.3 KiB
C++
37 lines
1.3 KiB
C++
// Copyright (2019-2024) Paul Scherrer Institute
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#include "ZMQWriterNotificationPuller.h"
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#include "nlohmann/json.hpp"
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ZMQWriterNotificationPuller::ZMQWriterNotificationPuller(const std::string &addr, std::chrono::milliseconds timeout)
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: socket(ZMQSocketType::Pull) {
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socket.ReceiveTimeout(timeout);
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socket.Bind(addr);
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}
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std::optional<ZMQWriterNotificationOutput> ZMQWriterNotificationPuller::Receive(uint64_t run_number, const std::string &run_name) {
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ZMQMessage msg;
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// Loop to ensure that messages with wrong run_number or run_name are filtered
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while (socket.Receive(msg)) {
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nlohmann::json j;
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try {
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j = nlohmann::json::parse(std::string((char *) msg.data(), msg.size()));
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} catch (const std::exception& e) {
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throw JFJochException(JFJochExceptionCategory::JSON,
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"Notification message parsing error: " + std::string(e.what()));
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}
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if ((j["run_number"] == run_number) && (j["run_name"] == run_name)) {
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ZMQWriterNotificationOutput ret{};
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ret.ok = j["ok"];
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ret.processed_images = j["processed_images"];
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ret.socket_number = j["socket_number"];
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return ret;
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}
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}
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return {};
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}
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std::string ZMQWriterNotificationPuller::GetEndpointName() {
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return socket.GetEndpointName();
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}
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