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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,103 @@ | ||
| import json | ||
| import os | ||
| import pwd | ||
| import socket | ||
|
|
||
| from pyroute2.common import AddrPool | ||
| from pyroute2.plan9 import ( | ||
| msg_tattach, | ||
| msg_tcall, | ||
| msg_tread, | ||
| msg_tversion, | ||
| msg_twalk, | ||
| msg_twrite, | ||
| ) | ||
| from pyroute2.plan9.plan9socket import Plan9Socket | ||
|
|
||
|
|
||
| class Plan9Client: | ||
| def __init__(self, address=None, use_socket=None): | ||
| if use_socket is None: | ||
| use_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM) | ||
| self.socket = Plan9Socket(use_socket=use_socket) | ||
| if address is not None: | ||
| self.socket.connect(address) | ||
| self.wnames = {'': 0} | ||
| self.cwd = 0 | ||
| self.fid_pool = AddrPool(minaddr=0x00000001, maxaddr=0x0000FFFF) | ||
|
|
||
| def init(self): | ||
| self.version() | ||
| self.auth() | ||
| self.attach() | ||
|
|
||
| def request(self, msg, tag=0): | ||
| if tag == 0: | ||
| tag = self.socket.addr_pool.alloc() | ||
| try: | ||
| msg['header']['tag'] = tag | ||
| msg.reset() | ||
| msg.encode() | ||
| self.socket.send(msg.data) | ||
| return self.socket.get(msg_seq=tag)[0] | ||
| finally: | ||
| self.socket.addr_pool.free(tag, ban=0xFF) | ||
|
|
||
| def version(self): | ||
| m = msg_tversion() | ||
| m['header']['tag'] = 0xFFFF | ||
| m['msize'] = 8192 | ||
| m['version'] = '9P2000' | ||
| return self.request(m, tag=0xFFFF) | ||
|
|
||
| def auth(self): | ||
| pass | ||
|
|
||
| def attach(self): | ||
| m = msg_tattach() | ||
| m['fid'] = 0 | ||
| m['afid'] = 0xFFFFFFFF | ||
| m['uname'] = pwd.getpwuid(os.getuid()).pw_name | ||
| m['aname'] = '' | ||
| return self.request(m) | ||
|
|
||
| def walk(self, path, newfid=None, fid=None): | ||
| m = msg_twalk() | ||
| m['fid'] = self.cwd if fid is None else fid | ||
| m['newfid'] = newfid if newfid is not None else self.fid_pool.alloc() | ||
| m['wname'] = path.split(os.path.sep) | ||
| self.wnames[path] = m['newfid'] | ||
| return self.request(m) | ||
|
|
||
| def fid(self, path): | ||
| if path not in self.wnames: | ||
| newfid = self.fid_pool.alloc() | ||
| self.walk(path, newfid) | ||
| self.wnames[path] = newfid | ||
| return self.wnames[path] | ||
|
|
||
| def read(self, fid): | ||
| m = msg_tread() | ||
| m['fid'] = fid | ||
| m['offset'] = 0 | ||
| m['count'] = 8192 | ||
| return self.request(m) | ||
|
|
||
| def write(self, fid, data): | ||
| m = msg_twrite() | ||
| m['fid'] = fid | ||
| m['offset'] = 0 | ||
| m['data'] = data | ||
| return self.request(m) | ||
|
|
||
| def call(self, fid, fname, argv=None, kwarg=None, data=b''): | ||
| spec = { | ||
| 'call': fname, | ||
| 'argv': argv if argv is not None else [], | ||
| 'kwarg': kwarg if kwarg is not None else {}, | ||
| } | ||
| m = msg_tcall() | ||
| m['fid'] = fid | ||
| m['text'] = json.dumps(spec) | ||
| m['data'] = data | ||
| return self.request(m) |
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