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71 lines
3.6 KiB
Python
71 lines
3.6 KiB
Python
# Copyright (c) 2020, Matthew Waters <matthew@centricular.com>
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU Lesser General Public
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# License as published by the Free Software Foundation; either
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# version 2.1 of the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public
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# License along with this program; if not, write to the
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# Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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# Boston, MA 02110-1301, USA.
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from enum import Enum, unique
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@unique
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class SignallingState(Enum):
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"""
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State of the signalling protocol.
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"""
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NEW = "new" # no connection has been made
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ERROR = "error" # an error was thrown. overrides all others
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OPEN = "open" # websocket connection is open
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HELLO = "hello" # hello was sent and received
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SESSION = "session" # session setup was sent and received
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@unique
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class NegotiationState(Enum):
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"""
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State of the webrtc negotiation. Both peers have separate states and are
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tracked separately.
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"""
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NEW = "new" # No negotiation has been performed
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ERROR = "error" # an error occured
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OFFER_CREATED = "offer-created" # offer was created
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ANSWER_CREATED = "answer-created" # answer was created
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OFFER_SET = "offer-set" # offer has been set
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ANSWER_SET = "answer-set" # answer has been set
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@unique
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class DataChannelState(Enum):
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"""
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State of a data channel. Each data channel is tracked individually
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"""
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NEW = "new" # data channel created but not connected
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OPEN = "open" # data channel is open, data can flow
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CLOSED = "closed" # data channel is closed, sending data will fail
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ERROR = "error" # data channel encountered an error
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@unique
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class Actions(Enum):
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"""
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Action names that we implement. Each name is the structure name for each
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action as stored in the scenario file.
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"""
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CREATE_OFFER = "create-offer" # create an offer and send it to the peer
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CREATE_ANSWER = "create-answer" # create an answer and send it to the peer
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WAIT_FOR_NEGOTIATION_STATE = "wait-for-negotiation-state" # wait for the @NegotiationState to reach a certain value
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ADD_STREAM = "add-stream" # add a stream to send to the peer. local only
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ADD_DATA_CHANNEL = "add-data-channel" # add a stream to send to the peer. local only
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WAIT_FOR_DATA_CHANNEL = "wait-for-data-channel" # wait for a data channel to appear
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WAIT_FOR_DATA_CHANNEL_STATE = "wait-for-data-channel-state" # wait for a data channel to have a certain state
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SEND_DATA_CHANNEL_STRING = "send-data-channel-string" # send a string over the data channel
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WAIT_FOR_DATA_CHANNEL_STRING = "wait-for-data-channel-string" # wait for a string on the data channel
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CLOSE_DATA_CHANNEL = "close-data-channel" # close a data channel
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WAIT_FOR_NEGOTIATION_NEEDED = "wait-for-negotiation-needed" # wait for negotiation needed to fire
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SET_WEBRTC_OPTIONS = "set-webrtc-options" # set some options
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