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patch 8.2.4780: parsing an LSP message fails when it is split

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Problem:    Parsing an LSP message fails when it is split.
Solution:   Collapse the received data before parsing. (Yegappan Lakshmanan,
            closes #10215)
This commit is contained in:
Yegappan Lakshmanan
2022-04-18 14:07:46 +01:00
committed by Bram Moolenaar
parent 53e8f3ffdf
commit 03cca297df
5 changed files with 53 additions and 16 deletions
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16
src/testdir/test_channel_lsp.py
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@@ -73,6 +73,18 @@ class ThreadedTCPRequestHandler(socketserver.BaseRequestHandler):
resp += s
self.request.sendall(resp.encode('utf-8'))
def send_delayed_payload(self, msgid, resp_dict):
# test for sending the hdr first and then after some delay, send the
# payload
v = {'jsonrpc': '2.0', 'id': msgid, 'result': resp_dict}
s = json.dumps(v)
resp = "Content-Length: " + str(len(s)) + "\r\n"
resp += "\r\n"
self.request.sendall(resp.encode('utf-8'))
time.sleep(0.05)
resp = s
self.request.sendall(resp.encode('utf-8'))
def send_hdr_without_len(self, msgid, resp_dict):
# test for sending the http header without length
v = {'jsonrpc': '2.0', 'id': msgid, 'result': resp_dict}
@@ -152,6 +164,9 @@ class ThreadedTCPRequestHandler(socketserver.BaseRequestHandler):
def do_extra_hdr_fields(self, payload):
self.send_extra_hdr_fields(payload['id'], 'extra-hdr-fields')
def do_delayad_payload(self, payload):
self.send_delayed_payload(payload['id'], 'delayed-payload')
def do_hdr_without_len(self, payload):
self.send_hdr_without_len(payload['id'], 'hdr-without-len')
@@ -186,6 +201,7 @@ class ThreadedTCPRequestHandler(socketserver.BaseRequestHandler):
'msg-specifc-cb': self.do_msg_specific_cb,
'server-req': self.do_server_req,
'extra-hdr-fields': self.do_extra_hdr_fields,
'delayed-payload': self.do_delayad_payload,
'hdr-without-len': self.do_hdr_without_len,
'hdr-with-wrong-len': self.do_hdr_with_wrong_len,
'hdr-with-negative-len': self.do_hdr_with_negative_len,