def get_http2_upgrade_header(self):
# try h2c protocol
hc = {}
hc["Upgrade"] = "h2c"
hc['Connection'] = 'Upgrade, HTTP2-Settings'
http2_settings = SettingsFrame(0)
http2_settings.settings[SettingsFrame.INITIAL_WINDOW_SIZE] = 65535
settings = base64.urlsafe_b64encode(
http2_settings.serialize_body()).rstrip(b'=').decode("utf8")
hc['HTTP2-Settings'] = settings
return hc
def _add_upgrade_headers(self, headers):
# Add HTTP Upgrade headers.
headers[b'connection'] = b'Upgrade, HTTP2-Settings'
headers[b'upgrade'] = H2C_PROTOCOL
# Encode SETTINGS frame payload in Base64 and put into the HTTP-2
# Settings header.
http2_settings = SettingsFrame(0)
http2_settings.settings[SettingsFrame.INITIAL_WINDOW_SIZE] = 65535
encoded_settings = base64.urlsafe_b64encode(
http2_settings.serialize_body())
headers[b'HTTP2-Settings'] = encoded_settings.rstrip(b'=')
def _add_upgrade_headers(self, headers):
# Add HTTP Upgrade headers.
headers[b'connection'] = b'Upgrade, HTTP2-Settings'
headers[b'upgrade'] = H2C_PROTOCOL
# Encode SETTINGS frame payload in Base64 and put into the HTTP-2
# Settings header.
http2_settings = SettingsFrame(0)
http2_settings.settings[SettingsFrame.INITIAL_WINDOW_SIZE] = 65535
encoded_settings = base64.urlsafe_b64encode(
http2_settings.serialize_body()
)
headers[b'HTTP2-Settings'] = encoded_settings.rstrip(b'=')