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kalzu rekku 2024-02-11 09:05:43 +02:00
parent 1f542b1720
commit 63c10720c6
4 changed files with 208 additions and 113 deletions
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49
foobar/kiss.py Normal file
View File

@ -0,0 +1,49 @@
import queue
import time
import threading
def main():
print("Hello There")
que = queue.Queue()
event = threading.Event()
#input(que)
input_thread = threading.Thread(target=input, args=(que,event))
input_thread.daemon = True
input_thread.start()
#output(que)
output_thread = threading.Thread(target=output, args=(que,event))
output_thread.daemon = True
output_thread.start()
for num in range(21):
print(f"wait till full: {num}/20", end='\r')
time.sleep(0.5)
print("\nDone!")
event.set()
def input(que, event):
loop = 0
while not event:
message = f"{time.time()} | Hi! {loop}"
que.put(message)
loop = loop + 1
time.sleep(1)
def output(que, event):
file = '/tmp/test_out'
with open(file, 'a') as out_file:
while not event:
message = que.get()
out_file.write(f"{message}\r\n")
out_file.flush()
time.sleep(1)
out_file.close()
if __name__ == "__main__":
main()
print("Bye now!")
exit(0)

64
ircthing.py
View File

@ -1,28 +1,43 @@
"""
My attempt to mimic Suckless.org's ii (irc it) software
"""
import sys
import time
import multiprocessing
from ircthing_core import irc_router, connect_to_irc_server
from ircthing_utils import read_config, cli_args, base_path
import time
import os
import multiprocessing
Processes = {}
Stop_Toggle = multiprocessing.Event()
def clean_exit():
"""
Sets the Stop_Toggle event to signal clean exit.
"""
Stop_Toggle.set()
def main():
"""
Main function to initialize irc connections specified on the configuration file.
This will run each irc server connection in invidual sub process.
Hold the process handlers on list.
Kill them with Stop_Toggle.
"""
root_path = base_path()
# Get configuration file path if given
config_path = 'config.ini'
config_path = "config.ini"
argument = cli_args()
if argument:
config_path = argument
# Read configuration
# Read configuration
network_configs = read_config(config_path)
## Get irc socket for each network in configuration
## Start thread for each socket
## Start thread for each socket
for network in network_configs:
net_name = network["net_name"]
server = network["server"]
@ -31,42 +46,21 @@ def main():
password = network["password"]
print(f"{time.time()} | Found configs for {net_name} network.")
irc_socket, fifo_files, network_dir = connect_to_irc_server(root_path, net_name, server, port, nickname, password)
irc_socket, fifo_files, network_dir = connect_to_irc_server(
root_path, net_name, server, port, nickname, password
)
router_instance = irc_router(fifo_files, irc_socket, server, nickname, network_dir)
router_instance = irc_router(
fifo_files, irc_socket, server, nickname, network_dir
)
Processes[net_name] = multiprocessing.Process(target=router_instance.start)
Processes[net_name].daemon = True
Processes[net_name].start()
main_handle(root_path)
# Wait for all the sub processes to end.
for process in Processes.values():
process.join()
def main_handle(path):
input = f"{path}/in"
output = f"{path}/out"
os.mkfifo(input)
os.mkfifo(output)
while True:
line = read_input(input)
write_output(output, line)
def read_input(file):
with open(file, 'r') as input:
line = input.readline().strip()
if not line:
return
if line == "exit":
clean_exit()
return line
def write_output(file, line):
with open(file, 'a') as output:
output.write(f"{time.time()} | {line}\r\n")
output.flush()
output.close()
if __name__ == "__main__":
print(f"{time.time()} | Lets start!")
@ -77,4 +71,4 @@ if __name__ == "__main__":
finally:
clean_exit()
print(f"{time.time()} | Bye!")
exit(0)
sys.exit(0)

148
ircthing_core.py
View File

@ -1,9 +1,10 @@
import time
import re
import asyncio
import socket
import os
from ircthing_utils import make_files
from threading import Thread, Event
def connect_to_irc_server(
base_path,
@ -35,6 +36,7 @@ def connect_to_irc_server(
class irc_router:
def __init__(self, fifo_files, irc_socket, server, nickname, network_dir):
self.fifo_files = fifo_files
self.irc_socket = irc_socket
@ -42,83 +44,98 @@ class irc_router:
self.nickname = nickname
self.network_dir = network_dir
self.channels = []
self._loop = asyncio.new_event_loop()
self.threads = []
self.disconnect_toggle = Event()
def start(self):
try:
asyncio.set_event_loop(self._loop)
tasks = [self.user_listener(), self.irc_message_loop()]
self._loop.run_until_complete(asyncio.gather(*tasks))
finally:
for file in self.fifo_files:
try:
os.close(file)
except:
# Errors are okay at this point.
pass
self._loop.close()
self.start_threads()
## Main loop for reading irc inflow and routing to correct _out fifos.
## Also handle ping/pong here
async def irc_message_loop(self):
output_files=[]
loop = asyncio.get_running_loop()
while True:
for file in self.fifo_files:
try:
os.close(file)
except:
# Errors are okay at this point.
pass
self.irc_send("QUIT")
for output in self.fifo_files:
if output.endswith('out'):
if output not in output_files:
print(f"{time.time()} | {self.server} has output file: {output}")
output_files.append(output)
def start_threads(self):
user_listener_thread = Thread(target=self.user_listener)
irc_listener_thread = Thread(target=self.irc_message_loop)
self.threads.append(user_listener_thread)
self.threads.append(irc_listener_thread)
# start the threads
for thread in self.threads:
thread.start()
# wait for all the threads to reach end
for thread in self.threads:
thread.join()
def get_output_fifos(self):
output_fifos = []
for fifo in self.fifo_files:
if fifo.endswith("out") and fifo not in output_fifos:
output_fifos.append(fifo)
return output_fifos
def write_to_server_out(self, message):
server_out = os.path.join(self.network_dir, "out")
if os.access(server_out, os.W_OK):
self.write_to_out(server_out, message)
else:
print(f"{time.time()} | {self.server} | {message}")
def irc_message_loop(self):
while not self.disconnect_toggle.is_set():
try:
irc_input = await loop.sock_recv(self.irc_socket, 2048)
irc_input = self.irc_socket.recv(2048)
irc_input = irc_input.decode("utf-8")
except Exception as e:
print(f"Error reading from socket: {e}")
continue
if irc_input:
##
## The main logic hapens here.
## support for channel joins
## and spliting the input to channel specifig channel/[in, out] locations
##
if "PING" in irc_input:
self.irc_send(f"PONG :{self.server}")
self.write_to_out(output_files[0], f"{time.time()} | ping/pong")
continue
self.handle_irc_input(irc_input)
time.sleep(0.5)
if f":{self.server} 353" in irc_input:
## We have joined a channel!
match = re.search(r'353 \S+ = (#\S+)', irc_input)
channel_join = match.group(1)
await self.make_files(channel_join)
continue
def handle_irc_input(self, irc_input):
if "PING" in irc_input:
self.irc_send(f"PONG :{self.server}")
self.write_to_server_out("ping/pong")
elif f":{self.server} 353" in irc_input:
self.handle_channel_join(irc_input)
elif "PRIVMSG" in irc_input:
self.handle_privmsg(irc_input)
else:
self.write_to_server_out(irc_input)
if "PRIVMSG" in irc_input:
if self.if_input_belongs_to_channel(irc_input):
continue
def handle_channel_join(self, irc_input):
## We have joined a channel!
channel = re.search(r"353 \S+ = (#\S+)", irc_input).group(1)
self.make_files(channel)
self.write_to_out(output_files[0], irc_input)
def handle_privmsg(self, irc_input):
if not self.input_belongs_to_channel(irc_input):
self.write_to_server_out(irc_input)
await asyncio.sleep(0.1)
def if_input_belongs_to_channel(self, input):
def input_belongs_to_channel(self, input):
output_files = self.get_output_fifos()
# We know that input includes "PRIVMSG"
# But to where it shoudl go?
message = re.search(r':.*:(.*)', input).group(1)
input_user = re.search(r'^:(\S+)', input).group(1)
input_channel = re.search(r'PRIVMSG (\S+) :', input)
done=False
for file in self.fifo_files:
if input_channel.group(1) in file:
if file.endswith("out"):
self.write_to_out(file, f"{input_user}: {message}")
done=True
message = re.search(r":.*:(.*)", input).group(1)
input_user = re.search(r"^:(\S+)", input).group(1)
input_channel = re.search(r"PRIVMSG (\S+) :", input).group(1)
done = False
for file in output_files:
if input_channel in file:
self.write_to_out(file, f"{input_user}: {message}")
done = True
return done
async def make_files(self, channel):
def make_files(self, channel):
network_path = os.path.dirname(self.fifo_files[1])
channel_dir = os.path.join(network_path, channel)
os.makedirs(channel_dir, exist_ok=True)
@ -134,7 +151,6 @@ class irc_router:
fifo_files.append(f"{channel_dir}/in")
fifo_files.append(f"{channel_dir}/out")
self.fifo_files.extend(fifo_files)
await asyncio.sleep(1)
def write_to_out(self, file, input):
if file == None:
@ -149,29 +165,28 @@ class irc_router:
self.irc_socket.send(bytes(f"{message}\r\n", "utf-8"))
print(f"{time.time()} | Send: {message}")
async def async_readline(self, file, queue):
def async_readline(self, file, queue):
print(f"Trying to read from file {file}")
try:
while True:
with open(file, mode='r') as in_file:
with open(file, mode="r") as in_file:
line = in_file.readline().strip()
if not line:
print("There was no line!")
continue
await queue.put(line)
queue.put(line)
in_file.close()
await asyncio.sleep(0.5)
except Exception as e:
print(f"ERROR IN async_readline func: {e}")
async def process_user_input(self, queue):
def process_user_input(self, queue):
print("Processing of user input may start!")
while True:
line = await queue.get()
print(f"{time.time()} | trying to send: {line} to {self.server}")
self.irc_send(line)
await asyncio.sleep(0.2)
time.sleep(0.5)
async def user_listener(self):
print("User Listener is HERE!")
@ -189,5 +204,4 @@ class irc_router:
# Wait for all tasks to complete
await asyncio.gather(*tasks)
finally:
self.irc_send('QUIT')
self.irc_send("QUIT")

60
ircthing_utils.py
View File

@ -1,23 +1,53 @@
"""
ircthing_utils
Some functions that make life nicer.
"""
import configparser
import argparse
import os
import sys
from typing import Union, List, Tuple
def base_path():
def base_path() -> str:
"""
Returns location that the script will use as root for its dir structure
Returns:
str: path for run time files
"""
my_name = sys.argv[0]
my_name_pyless, _ = os.path.splitext(my_name)
return f'/tmp/{my_name_pyless}'
return f"/tmp/{my_name_pyless}"
def cli_args():
parser = argparse.ArgumentParser(description="Usage: python3.11 ircthing.py /myconfig.ini")
parser.add_argument('config', help="Path to the configuration file.")
def cli_args() -> Union[str, None]:
"""
Parse arguments and provide small usage message
Returns:
str or None: path to config file
"""
parser = argparse.ArgumentParser(
description="Usage: python3.11 ircthing.py /myconfig.ini"
)
parser.add_argument("config", help="Path to the configuration file.")
args = parser.parse_args()
if args.config:
return args.config
return None
def read_config(config_path):
def read_config(config_path: str) -> List[dict]:
"""
Read configuration file and return list of dicts.
Dictionaries hold information about irc networks/server to connecto to.
args:
str: Path to the configuration file.
Returns:
list[{}, {}]: List of dictionaries.
"""
config = configparser.ConfigParser()
config.read(config_path)
@ -43,12 +73,21 @@ def read_config(config_path):
}
network_configs.append(network_config)
return network_configs
except Exception as e:
print(f"Failure while reading configuration file. {e}")
exit(1)
except Exception as config_read_error:
print(f"Failure while reading configuration file. {config_read_error}")
sys.exit(1)
def make_files(path, net_name):
def make_files(path: str, net_name: str) -> Tuple[List[str], str]:
"""
Make directories and fifo files need to make irc server connection.
Args:
str: The root path for run time files.
str: The network name of the irc server we are joining
Returns:
list: List containing the fio files created.
str: Path to the directory created for the network connection.
"""
os.makedirs(path, exist_ok=True)
server_dir = os.path.join(path, net_name)
os.makedirs(server_dir, exist_ok=True)
@ -64,4 +103,3 @@ def make_files(path, net_name):
fifo_files.append(f"{server_dir}/in")
fifo_files.append(f"{server_dir}/out")
return fifo_files, server_dir