69 lines
2.5 KiB
Python
69 lines
2.5 KiB
Python
import structio
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import sys
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import time
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_print = print
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def print(*args, **kwargs):
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sys.stdout.write(f"[{time.strftime('%H:%M:%S')}] ")
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_print(*args, **kwargs)
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async def test(host: str, port: int, bufsize: int = 4096, keepalive: bool = False):
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print(f"Attempting a connection to {host}:{port} {'in keep-alive mode' if keepalive else ''}")
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socket = await structio.socket.connect_tcp_ssl_socket(host, port)
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buffer = b""
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print("Connected")
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# Ensures the code below doesn't run for more than 5 seconds
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with structio.skip_after(5) as scope:
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# Closes the socket automatically
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async with socket:
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print("Entered socket context manager, sending HTTP request data")
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await socket.send_all(
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f"GET / HTTP/1.1\r\nUser-Agent: Structio/0.1.0\r\nAccept: */*\r\nHost: {host}"
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f"\r\nAccept-Encoding: gzip, deflate, br\r\nConnection: {'close' if not keepalive else 'keep-alive'}"
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f"\r\n\r\n".encode()
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)
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print("Data sent")
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while True:
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# We purposely do NOT check for the end of the response (\r\n) so that when the
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# connection is in keep-alive mode we hang and let our timeout expire the whole
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# block
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print(
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f"Requesting up to {bufsize} bytes (current response size: {len(buffer)})"
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)
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data = await socket.receive(bufsize)
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if data:
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print(f"Received {len(data)} bytes")
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buffer += data
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else:
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print("Received empty stream, closing connection")
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break
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if buffer:
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data = buffer.decode().split("\r\n")
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print(
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f"HTTP Response below {'(might be incomplete)' if scope.timed_out else ''}:"
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)
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_print(f"Response: {data[0]}")
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_print("Headers:")
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content = False
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for i, element in enumerate(data):
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if i == 0:
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continue
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else:
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if not element.strip() and not content:
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sys.stdout.write("\nContent:")
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content = True
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if not content:
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_print(f"\t{element}")
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else:
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for line in element.split("\n"):
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_print(f"\t{line}")
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_print("Done!")
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structio.run(test, "google.com", 443, 256)
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# With keep-alive on, our timeout will kick in
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structio.run(test, "google.com", 443, 256, True)
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