Created
December 8, 2013 09:09
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TCP Fast Open – Webを速くするためにGoogleがやっていること Make the Web Faster 4 -
Python サンプルコード
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| import sys, socket | |
| ''' | |
| tcp fast open server sample code | |
| execute it before enable tfo flag | |
| $ echo 3 | sudo tee /proc/sys/net/ipv4/tcp_fastopen | |
| ''' | |
| PORT = 80 | |
| MSG_FASTOPEN = 0x20000000 | |
| def client(): | |
| # tfo cookie request | |
| s = socket.socket(socket.AF_INET, socket.SOCK_STREAM) | |
| s.sendto("hello\n", MSG_FASTOPEN, (sys.argv[1], PORT)) | |
| print s.recv(6) | |
| s.close() | |
| # tfo data | |
| s = socket.socket(socket.AF_INET, socket.SOCK_STREAM) | |
| s.sendto("hello\n", MSG_FASTOPEN, (sys.argv[1], PORT)) | |
| print s.recv(6) | |
| s.close() | |
| def main(): | |
| client() | |
| if __name__ == '__main__': | |
| main() |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| import socket | |
| ''' | |
| tcp fast open server sample code | |
| execute it before enable tfo flag | |
| $ echo 3 | sudo tee /proc/sys/net/ipv4/tcp_fastopen | |
| ''' | |
| PORT = 80 | |
| TCP_FASTOPEN = 23 | |
| def server(): | |
| s = socket.socket(socket.AF_INET, socket.SOCK_STREAM) | |
| s.setsockopt(socket.SOL_TCP, TCP_FASTOPEN, 5) | |
| s.bind(("", PORT)) | |
| s.listen(1024) | |
| while True: | |
| conn, addr = s.accept() | |
| msg = conn.recv(6) | |
| print msg | |
| conn.send(msg) | |
| conn.close() | |
| s.close() | |
| def main(): | |
| server() | |
| if __name__ == '__main__': | |
| main() |
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