receive data via IPC msg queue
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README.md
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README.md
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# reHDDPrinter #
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Generate label and print them via brother_ql to
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- Generate label and print them via brother QL-570.
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- Receive data from [reHDD](https://git.mosad.xyz/localhorst/reHDD) via IPC message queue.
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## Printer usage ##
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# Install #
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`pip install qrcode sysv-ipc pycstruct`
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```
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cd /root/
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git clone https://git.mosad.xyz/localhorst/reHDDPrinter.git
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cd reHDDPrinter
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chmod +x reHDDPrinter.py
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cp reHDDPrinter.service /lib/systemd/system/reHDDPrinter.service
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systemctl daemon-reload
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systemctl enable /lib/systemd/system/reHDDPrinter.service
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```
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## Test printer manually ##
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```
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export BROTHER_QL_PRINTER=file:///dev/usb/lp0
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export BROTHER_QL_MODEL=QL-570
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```
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`brother_ql print -l 62 Untitled.png`
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## Printer/Paper Info ##
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- Brother QL-570
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- Paper With: 62mm or 696px
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Brother QL-570
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Paper With: 62mm or 696px
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## Install ##
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see https://github.com/pklaus/brother_ql
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pip install qrcode
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BIN
output.png
BIN
output.png
Binary file not shown.
Before Width: | Height: | Size: 5.5 KiB After Width: | Height: | Size: 5.6 KiB |
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Date of last modification: 2022/11/23
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"""
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import sysv_ipc
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import pycstruct
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import layouter
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str_buffer_size = 64 #keep this synchronous to reHDD
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msg_queue_key = 0x1B11193C0 #keep this synchronous to reHDD
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def get_struct_format():
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#keep this synchronous to struct in reHDD
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driveData = pycstruct.StructDef()
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driveData.add('utf-8', 'driveIndex', length=str_buffer_size)
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driveData.add('utf-8', 'driveHours', length=str_buffer_size)
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driveData.add('utf-8', 'driveCycles', length=str_buffer_size)
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driveData.add('utf-8', 'driveErrors', length=str_buffer_size)
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driveData.add('utf-8', 'driveShredTimestamp', length=str_buffer_size)
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driveData.add('utf-8', 'driveShredDuration', length=str_buffer_size)
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driveData.add('utf-8', 'driveCapacity', length=str_buffer_size)
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driveData.add('utf-8', 'driveState', length=str_buffer_size)
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driveData.add('utf-8', 'driveModelFamiliy', length=str_buffer_size)
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driveData.add('utf-8', 'driveModelName', length=str_buffer_size)
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driveData.add('utf-8', 'driveSerialnumber', length=str_buffer_size)
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driveData.add('utf-8', 'driveReHddVersion', length=str_buffer_size)
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return driveData
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def main():
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try:
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mq = sysv_ipc.MessageQueue(msg_queue_key, sysv_ipc.IPC_CREAT)
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rehdd_info = layouter.ReHddInfo("https://git.mosad.xyz/localhorst/reHDD", "bV0.2.2") # read this from rehdd process
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while True:
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message, mtype = mq.receive()
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driveData = get_struct_format().deserialize(message)
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temp_drive = layouter.DriveData(
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drive_index=0,\
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drive_state="shredded",\
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modelfamiliy="Toshiba 2.5\\ HDD MK..65GSSX",\
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modelname="TOSHIBA MK3265GSDX",\
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capacity=343597383680,\
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serialnumber="YG6742U56UDRL123",\
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power_on_hours=7074,\
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power_cycle=4792,\
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smart_error_count=1,\
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shred_timestamp=1647937421,\
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shred_duration=81718)
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rehdd_info = layouter.ReHddInfo("https://git.mosad.xyz/localhorst/reHDD", driveData['driveReHddVersion'])
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layouter.generate_image(temp_drive, rehdd_info, "output.png")
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drive = layouter.DriveData(
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drive_index=int(driveData['driveIndex']),\
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drive_state=str(driveData['driveState']),\
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modelfamiliy=str(driveData['driveModelFamiliy']),\
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modelname=str(driveData['driveModelName']),\
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capacity=int(driveData['driveCapacity']),\
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serialnumber=str(driveData['driveSerialnumber']),\
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power_on_hours=int(driveData['driveHours']),\
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power_cycle=int(driveData['driveCycles']),\
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smart_error_count=int(driveData['driveErrors']),\
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shred_timestamp=int(driveData['driveShredTimestamp']),\
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shred_duration=int(driveData['driveShredDuration']))
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layouter.generate_image(drive, rehdd_info, "output.png")
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except sysv_ipc.ExistentialError:
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print("ERROR: message queue creation failed")
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if __name__ == "__main__":
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[Unit]
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Description=reHDDPrinter
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After=syslog.target
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[Service]
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Type=simple
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User=root
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Group=root
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Restart=on-failure
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RestartSec=5s
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ExecStart=/usr/bin/python3 /root/reHDDPrinter/reHDDPrinter.py
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[Install]
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WantedBy=multi-user.target
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