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https://github.com/paulscherrerinstitute/sf_daq_buffer.git
synced 2026-04-21 05:54:36 +02:00
86 lines
2.7 KiB
C++
86 lines
2.7 KiB
C++
#include <BufferBinaryWriter.hpp>
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#include "BufferUtils.hpp"
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#include <fcntl.h>
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#include "gtest/gtest.h"
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TEST(BinaryWriter, basic_interaction)
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{
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auto root_folder = ".";
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auto device_name = "test_device";
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uint64_t pulse_id = 5;
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BufferBinaryWriter writer(device_name, root_folder);
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BufferBinaryFormat frame_data;
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frame_data.pulse_id = 1;
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frame_data.frame_id = 2;
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frame_data.daq_rec = 3;
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frame_data.n_recv_packets = 4;
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ASSERT_EQ(frame_data.FORMAT_MARKER, JF_FORMAT_START_BYTE);
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writer.write(5, &frame_data);
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auto output_filename =
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BufferUtils::get_filename(root_folder, device_name, pulse_id);
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auto read_fd = open(output_filename.c_str(), O_RDONLY);
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ASSERT_NE(read_fd, -1);
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auto file_frame_index = BufferUtils::get_file_frame_index(pulse_id);
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BufferBinaryFormat read_data;
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::lseek(read_fd, file_frame_index * sizeof(BufferBinaryFormat), SEEK_SET);
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::read(read_fd, &read_data, sizeof(BufferBinaryFormat));
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ASSERT_EQ(frame_data.FORMAT_MARKER, JF_FORMAT_START_BYTE);
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ASSERT_EQ(frame_data.FORMAT_MARKER, read_data.FORMAT_MARKER);
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ASSERT_EQ(frame_data.pulse_id, read_data.pulse_id);
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ASSERT_EQ(frame_data.frame_id, read_data.frame_id);
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ASSERT_EQ(frame_data.daq_rec, read_data.daq_rec);
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ASSERT_EQ(frame_data.n_recv_packets, read_data.n_recv_packets);
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}
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TEST(BinaryWriter, test_format_marker)
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{
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auto root_folder = ".";
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auto device_name = "test_device";
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uint64_t pulse_id = 5;
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BufferBinaryWriter writer(device_name, root_folder);
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BufferBinaryFormat frame_data;
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frame_data.pulse_id = 1;
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frame_data.frame_id = 2;
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frame_data.daq_rec = 3;
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frame_data.n_recv_packets = 4;
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writer.write(5, &frame_data);
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auto output_filename =
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BufferUtils::get_filename(root_folder, device_name, pulse_id);
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auto read_fd = open(output_filename.c_str(), O_RDONLY);
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ASSERT_NE(read_fd, -1);
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auto file_frame_index = BufferUtils::get_file_frame_index(pulse_id);
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BufferBinaryFormat read_data;
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// One frame before should be empty.
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::lseek(read_fd, (file_frame_index-1) * sizeof(BufferBinaryFormat), SEEK_SET);
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::read(read_fd, &read_data, sizeof(BufferBinaryFormat));
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ASSERT_NE(read_data.FORMAT_MARKER, JF_FORMAT_START_BYTE);
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// One frame after should be empty as well.
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::lseek(read_fd, (file_frame_index+1) * sizeof(BufferBinaryFormat), SEEK_SET);
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::read(read_fd, &read_data, sizeof(BufferBinaryFormat));
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ASSERT_NE(read_data.FORMAT_MARKER, JF_FORMAT_START_BYTE);
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// But this frame should be here.
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::lseek(read_fd, (file_frame_index) * sizeof(BufferBinaryFormat), SEEK_SET);
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::read(read_fd, &read_data, sizeof(BufferBinaryFormat));
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ASSERT_EQ(read_data.FORMAT_MARKER, JF_FORMAT_START_BYTE);
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} |