FreeDATA/test/util_data_channel_1.py

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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""
Created on Wed Dec 23 07:04:24 2020
@author: DJ2LS
"""
import base64
import json
import sys
import time
from pprint import pformat
import structlog
sys.path.insert(0, "..")
sys.path.insert(0, "../tnc")
import codec2
import data_handler
import helpers
import modem
import sock
import static
def t_setup(
mycall: str,
dxcall: str,
lowbwmode: bool,
t_transmit,
t_process_data,
):
# Disable data_handler testmode - This is required to test a conversation.
data_handler.TESTMODE = False
modem.RXCHANNEL = "/tmp/hfchannel1"
modem.TESTMODE = True
modem.TXCHANNEL = "/tmp/hfchannel2"
static.HAMLIB_RADIOCONTROL = "disabled"
static.LOW_BANDWIDTH_MODE = lowbwmode
static.MYGRID = bytes("AA12aa", "utf-8")
static.RESPOND_TO_CQ = True
static.SSID_LIST = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]
mycallsign = helpers.callsign_to_bytes(mycall)
mycallsign = helpers.bytes_to_callsign(mycallsign)
static.MYCALLSIGN = mycallsign
static.MYCALLSIGN_CRC = helpers.get_crc_24(static.MYCALLSIGN)
dxcallsign = helpers.callsign_to_bytes(dxcall)
dxcallsign = helpers.bytes_to_callsign(dxcallsign)
static.DXCALLSIGN = dxcallsign
static.DXCALLSIGN_CRC = helpers.get_crc_24(static.DXCALLSIGN)
# Create the TNC
tnc = data_handler.DATA()
orig_rx_func = data_handler.DATA.process_data
data_handler.DATA.process_data = t_process_data
tnc.log = structlog.get_logger("station1_DATA")
# Limit the frame-ack timeout
tnc.time_list_low_bw = [3, 1, 1]
tnc.time_list_high_bw = [3, 1, 1]
tnc.time_list = [3, 1, 1]
# Create the modem
t_modem = modem.RF()
orig_tx_func = modem.RF.transmit
modem.RF.transmit = t_transmit
t_modem.log = structlog.get_logger("station1_RF")
return tnc, orig_rx_func, orig_tx_func
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def t_highsnr_arq_short_station1(
parent_pipe,
freedv_mode: str,
n_frames_per_burst: int,
mycall: str,
dxcall: str,
message: str,
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lowbwmode: bool,
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):
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log = structlog.get_logger("station1")
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orig_tx_func: object
orig_rx_func: object
def t_transmit(self, mode, repeats: int, repeat_delay: int, frames: bytearray):
"""'Wrap' RF.transmit function to extract the arguments."""
nonlocal orig_tx_func, parent_pipe
t_frames = frames
parent_pipe.send(t_frames)
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# log.info("S1 TX: ", frames=t_frames)
for item in t_frames:
frametype = int.from_bytes(item[:1], "big")
log.info("S1 TX: ", TX=frametype)
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# Apologies for the Python "magic." "orig_func" is a pointer to the
# original function captured before this one was put in place.
orig_tx_func(self, mode, repeats, repeat_delay, frames) # type: ignore
def t_process_data(self, bytes_out, freedv, bytes_per_frame: int):
"""'Wrap' DATA.process_data function to extract the arguments."""
nonlocal orig_rx_func, parent_pipe
t_bytes_out = bytes(bytes_out)
parent_pipe.send(t_bytes_out)
log.debug(
"S1 RX: ",
bytes_out=t_bytes_out,
bytes_per_frame=bytes_per_frame,
)
frametype = int.from_bytes(t_bytes_out[:1], "big")
log.info("S1 RX: ", RX=frametype)
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# Apologies for the Python "magic." "orig_func" is a pointer to the
# original function captured before this one was put in place.
orig_rx_func(self, bytes_out, freedv, bytes_per_frame) # type: ignore
tnc, orig_rx_func, orig_tx_func = t_setup(
mycall, dxcall, lowbwmode, t_transmit, t_process_data
)
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# Try to wait for the far-end to start up.
# time.sleep(0.5)
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# Construct message to dxstation.
# Tests seem to work better when this side sends a 'dummy' frame first.
data = {"type": "ping", "command": "ping", "dxcallsign": "BB4NN"}
sock.process_tnc_commands(json.dumps(data, indent=None))
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time.sleep(0.5)
b64_str = str(base64.b64encode(bytes(message, "UTF-8")), "UTF-8").strip()
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data = {
"type": "arq",
"command": "send_raw",
"parameter": [
{
"data": b64_str,
"dxcallsign": dxcall,
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"mode": codec2.FREEDV_MODE[freedv_mode].value,
"n_frames": n_frames_per_burst,
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}
],
}
sock.process_tnc_commands(json.dumps(data, indent=None))
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time.sleep(0.5)
# This transaction should take less than 14 sec.
timeout = time.time() + 20
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while "ARQ;TRANSMITTING;SUCCESS" not in static.INFO:
if time.time() > timeout:
log.warning("station1 TIMEOUT", first=True)
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break
time.sleep(0.1)
log.info("station1, first", arq_state=pformat(static.ARQ_STATE))
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data = {"type": "arq", "command": "disconnect", "dxcallsign": dxcall}
sock.process_tnc_commands(json.dumps(data, indent=None))
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# Allow enough time for this side to process the disconnect frame.
timeout = time.time() + 10
while static.ARQ_STATE or tnc.data_queue_transmit.queue:
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if time.time() > timeout:
log.error("station1", TIMEOUT=True)
break
time.sleep(0.5)
log.info("station1", arq_state=pformat(static.ARQ_STATE))
log.info("S1 DQT: ", DQ_Tx=pformat(tnc.data_queue_transmit.queue))
log.info("S1 DQR: ", DQ_Rx=pformat(tnc.data_queue_received.queue))
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log.info("S1 Info: ", info=static.INFO)
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assert "DATACHANNEL;OPENING" in static.INFO
assert "DATACHANNEL;OPEN" in static.INFO
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assert "ARQ;TRANSMITTING;SUCCESS" in static.INFO
log.error("station1: Exiting!")