Other changes: * Command line argument name and descriptions updated and formatted * Some exception messages updated for clarity * READMEs updated for tool and all provisioning examples * Minor update in example test scripts due to change in esp_prov.get_transport() API * Transport_HTTP now forces connect on initialization
56 lines
2.1 KiB
Python
56 lines
2.1 KiB
Python
# Copyright 2018 Espressif Systems (Shanghai) PTE LTD
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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from __future__ import print_function
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from future.utils import tobytes
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import socket
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import http.client
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import ssl
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from .transport import Transport
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class Transport_HTTP(Transport):
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def __init__(self, hostname, certfile=None):
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try:
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socket.gethostbyname(hostname.split(':')[0])
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except socket.gaierror:
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raise RuntimeError("Unable to resolve hostname :" + hostname)
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if certfile is None:
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self.conn = http.client.HTTPConnection(hostname, timeout=30)
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else:
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ssl_ctx = ssl.create_default_context(cafile=certfile)
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self.conn = http.client.HTTPSConnection(hostname, context=ssl_ctx, timeout=30)
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try:
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print("Connecting to " + hostname)
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self.conn.connect()
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except Exception as err:
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raise RuntimeError("Connection Failure : " + str(err))
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self.headers = {"Content-type": "application/x-www-form-urlencoded","Accept": "text/plain"}
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def _send_post_request(self, path, data):
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try:
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self.conn.request("POST", path, tobytes(data), self.headers)
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response = self.conn.getresponse()
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if response.status == 200:
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return response.read().decode('latin-1')
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except Exception as err:
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raise RuntimeError("Connection Failure : " + str(err))
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raise RuntimeError("Server responded with error code " + str(response.status))
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def send_data(self, ep_name, data):
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return self._send_post_request('/' + ep_name, data)
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