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runtime(doc): fix typo in usr_52.txt Commit: https://github.com/vim/vim/commit/b7258738f80f26be302a84a99f968b3bdc2f29bb Author: Christian Brabandt <cb@256bit.org> Date: Sun May 12 19:04:47 2024 +0200 runtime(doc): fix typo in usr_52.txt fixes: https://github.com/vim/vim/issues/14758 Signed-off-by: Christian Brabandt <cb@256bit.org>
author Christian Brabandt <cb@256bit.org>
date Sun, 12 May 2024 19:15:08 +0200
parents 41e2414d2886
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 #!/usr/bin/env python
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2 #
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3 # Server that will accept connections from a Vim channel.
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4 # Used by test_channel.vim to test LSP functionality.
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5 #
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6 # This requires Python 2.6 or later.
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7
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8 from __future__ import print_function
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9 import json
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10 import socket
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11 import sys
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12 import time
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13 import threading
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14
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15 try:
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16 # Python 3
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17 import socketserver
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18 except ImportError:
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19 # Python 2
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20 import SocketServer as socketserver
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21
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22 class ThreadedTCPRequestHandler(socketserver.BaseRequestHandler):
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23
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24 def setup(self):
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25 self.request.setsockopt(socket.IPPROTO_TCP, socket.TCP_NODELAY, 1)
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26
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27 def debuglog(self, msg):
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28 if self.debug:
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29 with open("Xlspserver.log", "a") as myfile:
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30 myfile.write(msg)
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31
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32 def send_lsp_req(self, msgid, method, params):
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33 v = {'jsonrpc': '2.0', 'id': msgid, 'method': method}
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34 if len(params) != 0:
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35 v['params'] = params
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36 s = json.dumps(v)
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37 req = "Content-Length: " + str(len(s)) + "\r\n"
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38 req += "Content-Type: application/vscode-jsonrpc; charset=utf-8\r\n"
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39 req += "\r\n"
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40 req += s
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41 if self.debug:
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42 self.debuglog("SEND: ({0} bytes) '{1}'\n".format(len(req), req))
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43 self.request.sendall(req.encode('utf-8'))
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44
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45 def send_lsp_resp(self, msgid, resp_dict):
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46 v = {'jsonrpc': '2.0', 'result': resp_dict}
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47 if msgid != -1:
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48 v['id'] = msgid
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49 s = json.dumps(v)
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50 resp = "Content-Length: " + str(len(s)) + "\r\n"
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51 resp += "Content-Type: application/vscode-jsonrpc; charset=utf-8\r\n"
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52 resp += "\r\n"
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53 resp += s
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54 if self.debug:
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55 self.debuglog("SEND: ({0} bytes) '{1}'\n".format(len(resp), resp))
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56 self.request.sendall(resp.encode('utf-8'))
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57
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58 def send_wrong_payload(self):
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59 v = 'wrong-payload'
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60 s = json.dumps(v)
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61 resp = "Content-Length: " + str(len(s)) + "\r\n"
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62 resp += "Content-Type: application/vscode-jsonrpc; charset=utf-8\r\n"
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63 resp += "\r\n"
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64 resp += s
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65 self.request.sendall(resp.encode('utf-8'))
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66
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67 def send_empty_header(self, msgid, resp_dict):
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68 v = {'jsonrpc': '2.0', 'id': msgid, 'result': resp_dict}
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69 s = json.dumps(v)
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70 resp = "\r\n"
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71 resp += s
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72 self.request.sendall(resp.encode('utf-8'))
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73
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74 def send_empty_payload(self):
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75 resp = "Content-Length: 0\r\n"
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76 resp += "Content-Type: application/vscode-jsonrpc; charset=utf-8\r\n"
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77 resp += "\r\n"
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78 self.request.sendall(resp.encode('utf-8'))
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79
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80 def send_extra_hdr_fields(self, msgid, resp_dict):
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81 # test for sending extra fields in the http header
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82 v = {'jsonrpc': '2.0', 'id': msgid, 'result': resp_dict}
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83 s = json.dumps(v)
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84 resp = "Host: abc.vim.org\r\n"
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85 resp += "User-Agent: Python\r\n"
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86 resp += "Accept-Language: en-US,en\r\n"
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87 resp += "Content-Type: application/vscode-jsonrpc; charset=utf-8\r\n"
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88 resp += "Content-Length: " + str(len(s)) + "\r\n"
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89 resp += "\r\n"
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90 resp += s
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91 self.request.sendall(resp.encode('utf-8'))
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92
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93 def send_delayed_payload(self, msgid, resp_dict):
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94 # test for sending the hdr first and then after some delay, send the
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95 # payload
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96 v = {'jsonrpc': '2.0', 'id': msgid, 'result': resp_dict}
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97 s = json.dumps(v)
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98 resp = "Content-Length: " + str(len(s)) + "\r\n"
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99 resp += "\r\n"
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100 self.request.sendall(resp.encode('utf-8'))
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101 time.sleep(0.05)
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102 resp = s
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103 self.request.sendall(resp.encode('utf-8'))
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104
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105 def send_hdr_without_len(self, msgid, resp_dict):
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106 # test for sending the http header without length
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107 v = {'jsonrpc': '2.0', 'id': msgid, 'result': resp_dict}
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108 s = json.dumps(v)
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109 resp = "Content-Type: application/vscode-jsonrpc; charset=utf-8\r\n"
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110 resp += "\r\n"
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111 resp += s
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112 self.request.sendall(resp.encode('utf-8'))
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113
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114 def send_hdr_with_wrong_len(self, msgid, resp_dict):
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115 # test for sending the http header with wrong length
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116 v = {'jsonrpc': '2.0', 'id': msgid, 'result': resp_dict}
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117 s = json.dumps(v)
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118 resp = "Content-Length: 1000\r\n"
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119 resp += "\r\n"
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120 resp += s
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121 self.request.sendall(resp.encode('utf-8'))
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122
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123 def send_hdr_with_negative_len(self, msgid, resp_dict):
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124 # test for sending the http header with negative length
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125 v = {'jsonrpc': '2.0', 'id': msgid, 'result': resp_dict}
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126 s = json.dumps(v)
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127 resp = "Content-Length: -1\r\n"
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128 resp += "\r\n"
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129 resp += s
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130 self.request.sendall(resp.encode('utf-8'))
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131
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132 def do_ping(self, payload):
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133 time.sleep(0.2)
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134 self.send_lsp_resp(payload['id'], 'alive')
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135
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136 def do_echo(self, payload):
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137 self.send_lsp_resp(-1, payload)
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138
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139 def do_simple_rpc(self, payload):
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140 # test for a simple RPC request
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141 self.send_lsp_resp(payload['id'], 'simple-rpc')
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142
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143 def do_rpc_with_notif(self, payload):
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144 # test for sending a notification before replying to a request message
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145 self.send_lsp_resp(-1, 'rpc-with-notif-notif')
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146 # sleep for some time to make sure the notification is delivered
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147 time.sleep(0.2)
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148 self.send_lsp_resp(payload['id'], 'rpc-with-notif-resp')
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149
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150 def do_wrong_payload(self, payload):
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151 # test for sending a non dict payload
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152 self.send_wrong_payload()
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153 time.sleep(0.2)
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154 self.send_lsp_resp(-1, 'wrong-payload')
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155
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156 def do_large_payload(self, payload):
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157 # test for sending a large (> 64K) payload
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158 self.send_lsp_resp(payload['id'], payload)
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159
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160 def do_rpc_resp_incorrect_id(self, payload):
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161 self.send_lsp_resp(-1, 'rpc-resp-incorrect-id-1')
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162 self.send_lsp_resp(-1, 'rpc-resp-incorrect-id-2')
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163 self.send_lsp_resp(1, 'rpc-resp-incorrect-id-3')
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164 time.sleep(0.2)
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165 self.send_lsp_resp(payload['id'], 'rpc-resp-incorrect-id-4')
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166
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167 def do_simple_notif(self, payload):
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168 # notification message test
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169 self.send_lsp_resp(-1, 'simple-notif')
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170
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171 def do_multi_notif(self, payload):
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172 # send multiple notifications
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173 self.send_lsp_resp(-1, 'multi-notif1')
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174 self.send_lsp_resp(-1, 'multi-notif2')
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175
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176 def do_msg_with_id(self, payload):
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177 self.send_lsp_resp(payload['id'], 'msg-with-id')
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178
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179 def do_msg_specific_cb(self, payload):
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180 self.send_lsp_resp(payload['id'], 'msg-specific-cb')
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181
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182 def do_server_req(self, payload):
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183 self.send_lsp_resp(201, {'method': 'checkhealth', 'params': {'a': 20}})
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184
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185 def do_extra_hdr_fields(self, payload):
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186 self.send_extra_hdr_fields(payload['id'], 'extra-hdr-fields')
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187
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188 def do_delayed_payload(self, payload):
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189 self.send_delayed_payload(payload['id'], 'delayed-payload')
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190
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191 def do_hdr_without_len(self, payload):
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192 self.send_hdr_without_len(payload['id'], 'hdr-without-len')
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193
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194 def do_hdr_with_wrong_len(self, payload):
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195 self.send_hdr_with_wrong_len(payload['id'], 'hdr-with-wrong-len')
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196
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197 def do_hdr_with_negative_len(self, payload):
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198 self.send_hdr_with_negative_len(payload['id'], 'hdr-with-negative-len')
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199
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200 def do_empty_header(self, payload):
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201 self.send_empty_header(payload['id'], 'empty-header')
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202
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203 def do_empty_payload(self, payload):
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204 self.send_empty_payload()
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205
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206 def do_server_req_in_middle(self, payload):
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207 # Send a notification message to the client in the middle of processing
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208 # a request message from the client
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209 self.send_lsp_req(-1, 'server-req-in-middle', {'text': 'server-notif'})
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210 # Send a request message to the client in the middle of processing a
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211 # request message from the client.
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212 self.send_lsp_req(payload['id'], 'server-req-in-middle', {'text': 'server-req'})
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213
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214 def do_server_req_in_middle_resp(self, payload):
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215 # After receiving a response from the client send the response to the
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216 # client request.
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217 self.send_lsp_resp(payload['id'], {'text': 'server-resp'})
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218
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219 def process_msg(self, msg):
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220 try:
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221 decoded = json.loads(msg)
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222 if 'method' in decoded:
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223 test_map = {
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224 'ping': self.do_ping,
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225 'echo': self.do_echo,
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226 'simple-rpc': self.do_simple_rpc,
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227 'rpc-with-notif': self.do_rpc_with_notif,
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228 'wrong-payload': self.do_wrong_payload,
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229 'large-payload': self.do_large_payload,
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230 'rpc-resp-incorrect-id': self.do_rpc_resp_incorrect_id,
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231 'simple-notif': self.do_simple_notif,
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232 'multi-notif': self.do_multi_notif,
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233 'msg-with-id': self.do_msg_with_id,
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234 'msg-specific-cb': self.do_msg_specific_cb,
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235 'server-req': self.do_server_req,
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236 'extra-hdr-fields': self.do_extra_hdr_fields,
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237 'delayed-payload': self.do_delayed_payload,
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238 'hdr-without-len': self.do_hdr_without_len,
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239 'hdr-with-wrong-len': self.do_hdr_with_wrong_len,
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240 'hdr-with-negative-len': self.do_hdr_with_negative_len,
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parents:
diff changeset
241 'empty-header': self.do_empty_header,
33318
41e2414d2886 patch 9.0.1924: LSP server message still wrongly handled (after 9.0.1922)
Christian Brabandt <cb@256bit.org>
parents: 32996
diff changeset
242 'empty-payload': self.do_empty_payload,
41e2414d2886 patch 9.0.1924: LSP server message still wrongly handled (after 9.0.1922)
Christian Brabandt <cb@256bit.org>
parents: 32996
diff changeset
243 'server-req-in-middle': self.do_server_req_in_middle,
41e2414d2886 patch 9.0.1924: LSP server message still wrongly handled (after 9.0.1922)
Christian Brabandt <cb@256bit.org>
parents: 32996
diff changeset
244 'server-req-in-middle-resp': self.do_server_req_in_middle_resp,
28244
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diff changeset
245 }
85b07a942518 patch 8.2.4648: handling LSP messages is a bit slow
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parents:
diff changeset
246 if decoded['method'] in test_map:
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parents:
diff changeset
247 test_map[decoded['method']](decoded)
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parents:
diff changeset
248 else:
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diff changeset
249 self.debuglog("Error: Unsupported method - " + decoded['method'] + "\n")
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diff changeset
250 else:
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diff changeset
251 self.debuglog("Error: 'method' field is not found\n")
28244
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diff changeset
252
85b07a942518 patch 8.2.4648: handling LSP messages is a bit slow
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parents:
diff changeset
253 except ValueError:
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diff changeset
254 self.debuglog("Error: json decoding failed\n")
28244
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parents:
diff changeset
255
85b07a942518 patch 8.2.4648: handling LSP messages is a bit slow
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parents:
diff changeset
256 def process_msgs(self, msgbuf):
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parents:
diff changeset
257 while True:
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diff changeset
258 sidx = msgbuf.find('Content-Length: ')
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parents:
diff changeset
259 if sidx == -1:
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diff changeset
260 # partial message received
28244
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diff changeset
261 return msgbuf
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parents:
diff changeset
262 sidx += 16
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parents:
diff changeset
263 eidx = msgbuf.find('\r\n')
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parents:
diff changeset
264 if eidx == -1:
28528
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diff changeset
265 # partial message received
28244
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diff changeset
266 return msgbuf
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parents:
diff changeset
267 msglen = int(msgbuf[sidx:eidx])
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parents:
diff changeset
268
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parents:
diff changeset
269 hdrend = msgbuf.find('\r\n\r\n')
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diff changeset
270 if hdrend == -1:
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diff changeset
271 # partial message received
28244
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diff changeset
272 return msgbuf
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diff changeset
273
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diff changeset
274 if msglen > len(msgbuf[hdrend + 4:]):
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diff changeset
275 if self.debug:
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diff changeset
276 self.debuglog("Partial message ({0} bytes)\n".format(len(msgbuf)))
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diff changeset
277 # partial message received
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diff changeset
278 return msgbuf
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diff changeset
279
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diff changeset
280 if self.debug:
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diff changeset
281 self.debuglog("Complete message ({0} bytes) received\n".format(msglen))
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diff changeset
282
28244
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diff changeset
283 # Remove the header
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parents:
diff changeset
284 msgbuf = msgbuf[hdrend + 4:]
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parents:
diff changeset
285 payload = msgbuf[:msglen]
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parents:
diff changeset
286
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Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
287 self.process_msg(payload)
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parents:
diff changeset
288
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parents:
diff changeset
289 # Remove the processed message
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parents:
diff changeset
290 msgbuf = msgbuf[msglen:]
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parents:
diff changeset
291
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parents:
diff changeset
292 def handle(self):
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diff changeset
293 self.debug = False
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diff changeset
294 self.debuglog("=== socket opened ===\n")
28244
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diff changeset
295 msgbuf = ''
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parents:
diff changeset
296 while True:
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parents:
diff changeset
297 try:
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parents:
diff changeset
298 received = self.request.recv(4096).decode('utf-8')
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parents:
diff changeset
299 except socket.error:
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diff changeset
300 self.debuglog("=== socket error ===\n")
28244
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parents:
diff changeset
301 break
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parents:
diff changeset
302 except IOError:
28528
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diff changeset
303 self.debuglog("=== socket closed ===\n")
28244
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parents:
diff changeset
304 break
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parents:
diff changeset
305 if received == '':
28528
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parents: 28511
diff changeset
306 self.debuglog("=== socket closed ===\n")
28244
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Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
307 break
85b07a942518 patch 8.2.4648: handling LSP messages is a bit slow
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
308
85b07a942518 patch 8.2.4648: handling LSP messages is a bit slow
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
309 # Write the received lines into the file for debugging
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parents:
diff changeset
310 if self.debug:
28528
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parents: 28511
diff changeset
311 self.debuglog("RECV: ({0} bytes) '{1}'\n".format(len(received), received))
28244
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parents:
diff changeset
312
85b07a942518 patch 8.2.4648: handling LSP messages is a bit slow
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parents:
diff changeset
313 # Can receive more than one line in a response or a partial line.
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parents:
diff changeset
314 # Accumulate all the received characters and process one line at
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parents:
diff changeset
315 # a time.
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parents:
diff changeset
316 msgbuf += received
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parents:
diff changeset
317 msgbuf = self.process_msgs(msgbuf)
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Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
318
85b07a942518 patch 8.2.4648: handling LSP messages is a bit slow
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parents:
diff changeset
319 class ThreadedTCPServer(socketserver.ThreadingMixIn, socketserver.TCPServer):
85b07a942518 patch 8.2.4648: handling LSP messages is a bit slow
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
320 pass
85b07a942518 patch 8.2.4648: handling LSP messages is a bit slow
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
321
85b07a942518 patch 8.2.4648: handling LSP messages is a bit slow
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parents:
diff changeset
322 def writePortInFile(port):
85b07a942518 patch 8.2.4648: handling LSP messages is a bit slow
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
323 # Write the port number in Xportnr, so that the test knows it.
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parents:
diff changeset
324 f = open("Xportnr", "w")
85b07a942518 patch 8.2.4648: handling LSP messages is a bit slow
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parents:
diff changeset
325 f.write("{0}".format(port))
85b07a942518 patch 8.2.4648: handling LSP messages is a bit slow
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
326 f.close()
85b07a942518 patch 8.2.4648: handling LSP messages is a bit slow
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
327
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parents:
diff changeset
328 def main(host, port, server_class=ThreadedTCPServer):
85b07a942518 patch 8.2.4648: handling LSP messages is a bit slow
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parents:
diff changeset
329 # Wait half a second before opening the port to test waittime in ch_open().
85b07a942518 patch 8.2.4648: handling LSP messages is a bit slow
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
330 # We do want to get the port number, get that first. We cannot open the
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Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
331 # socket, guess a port is free.
85b07a942518 patch 8.2.4648: handling LSP messages is a bit slow
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
332 if len(sys.argv) >= 2 and sys.argv[1] == 'delay':
85b07a942518 patch 8.2.4648: handling LSP messages is a bit slow
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
333 port = 13684
85b07a942518 patch 8.2.4648: handling LSP messages is a bit slow
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
334 writePortInFile(port)
85b07a942518 patch 8.2.4648: handling LSP messages is a bit slow
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
335 time.sleep(0.5)
85b07a942518 patch 8.2.4648: handling LSP messages is a bit slow
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
336
31665
8492bbc9f533 patch 9.0.1165: tests using IPv6 sometimes fail
Bram Moolenaar <Bram@vim.org>
parents: 30986
diff changeset
337 addrs = socket.getaddrinfo(host, port, 0, 0, socket.IPPROTO_TCP)
8492bbc9f533 patch 9.0.1165: tests using IPv6 sometimes fail
Bram Moolenaar <Bram@vim.org>
parents: 30986
diff changeset
338 # Each addr is a (family, type, proto, canonname, sockaddr) tuple
8492bbc9f533 patch 9.0.1165: tests using IPv6 sometimes fail
Bram Moolenaar <Bram@vim.org>
parents: 30986
diff changeset
339 sockaddr = addrs[0][4]
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Bram Moolenaar <Bram@vim.org>
parents: 30986
diff changeset
340 server_class.address_family = addrs[0][0]
8492bbc9f533 patch 9.0.1165: tests using IPv6 sometimes fail
Bram Moolenaar <Bram@vim.org>
parents: 30986
diff changeset
341
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Bram Moolenaar <Bram@vim.org>
parents: 30986
diff changeset
342 server = server_class(sockaddr[0:2], ThreadedTCPRequestHandler)
28244
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parents:
diff changeset
343 ip, port = server.server_address[0:2]
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Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
344
85b07a942518 patch 8.2.4648: handling LSP messages is a bit slow
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parents:
diff changeset
345 # Start a thread with the server. That thread will then start a new thread
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Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
346 # for each connection.
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parents:
diff changeset
347 server_thread = threading.Thread(target=server.serve_forever)
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parents:
diff changeset
348 server_thread.start()
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parents:
diff changeset
349
85b07a942518 patch 8.2.4648: handling LSP messages is a bit slow
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
350 writePortInFile(port)
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Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
351
85b07a942518 patch 8.2.4648: handling LSP messages is a bit slow
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
352 # Main thread terminates, but the server continues running
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Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
353 # until server.shutdown() is called.
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Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
354 try:
85b07a942518 patch 8.2.4648: handling LSP messages is a bit slow
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
355 while server_thread.is_alive():
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Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
356 server_thread.join(1)
85b07a942518 patch 8.2.4648: handling LSP messages is a bit slow
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
357 except (KeyboardInterrupt, SystemExit):
85b07a942518 patch 8.2.4648: handling LSP messages is a bit slow
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
358 server.shutdown()
85b07a942518 patch 8.2.4648: handling LSP messages is a bit slow
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
359
85b07a942518 patch 8.2.4648: handling LSP messages is a bit slow
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
360 if __name__ == "__main__":
85b07a942518 patch 8.2.4648: handling LSP messages is a bit slow
Bram Moolenaar <Bram@vim.org>
parents:
diff changeset
361 main("localhost", 0)