117 lines
2.7 KiB
Go
117 lines
2.7 KiB
Go
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// Copyright (c) 2021 Tulir Asokan
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//
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// This Source Code Form is subject to the terms of the Mozilla Public
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// License, v. 2.0. If a copy of the MPL was not distributed with this
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// file, You can obtain one at http://mozilla.org/MPL/2.0/.
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package event
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import (
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"encoding/json"
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"fmt"
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"strconv"
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)
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type CallHangupReason string
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const (
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CallHangupICEFailed CallHangupReason = "ice_failed"
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CallHangupInviteTimeout CallHangupReason = "invite_timeout"
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CallHangupUserHangup CallHangupReason = "user_hangup"
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CallHangupUserMediaFailed CallHangupReason = "user_media_failed"
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CallHangupUnknownError CallHangupReason = "unknown_error"
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)
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type CallDataType string
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const (
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CallDataTypeOffer CallDataType = "offer"
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CallDataTypeAnswer CallDataType = "answer"
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)
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type CallData struct {
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SDP string `json:"sdp"`
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Type CallDataType `json:"type"`
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}
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type CallCandidate struct {
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Candidate string `json:"candidate"`
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SDPMLineIndex int `json:"sdpMLineIndex"`
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SDPMID string `json:"sdpMid"`
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}
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type CallVersion string
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func (cv *CallVersion) UnmarshalJSON(raw []byte) error {
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var numberVersion int
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err := json.Unmarshal(raw, &numberVersion)
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if err != nil {
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var stringVersion string
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err = json.Unmarshal(raw, &stringVersion)
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if err != nil {
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return fmt.Errorf("failed to parse CallVersion: %w", err)
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}
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*cv = CallVersion(stringVersion)
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} else {
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*cv = CallVersion(strconv.Itoa(numberVersion))
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}
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return nil
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}
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func (cv *CallVersion) MarshalJSON() ([]byte, error) {
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for _, char := range *cv {
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if char < '0' || char > '9' {
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// The version contains weird characters, return as string.
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return json.Marshal(string(*cv))
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}
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}
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// The version consists of only ASCII digits, return as an integer.
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return []byte(*cv), nil
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}
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func (cv *CallVersion) Int() (int, error) {
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return strconv.Atoi(string(*cv))
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}
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type BaseCallEventContent struct {
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CallID string `json:"call_id"`
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PartyID string `json:"party_id"`
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Version CallVersion `json:"version"`
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}
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type CallInviteEventContent struct {
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BaseCallEventContent
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Lifetime int `json:"lifetime"`
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Offer CallData `json:"offer"`
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}
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type CallCandidatesEventContent struct {
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BaseCallEventContent
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Candidates []CallCandidate `json:"candidates"`
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}
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type CallRejectEventContent struct {
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BaseCallEventContent
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}
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type CallAnswerEventContent struct {
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BaseCallEventContent
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Answer CallData `json:"answer"`
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}
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type CallSelectAnswerEventContent struct {
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BaseCallEventContent
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SelectedPartyID string `json:"selected_party_id"`
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}
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type CallNegotiateEventContent struct {
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BaseCallEventContent
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Lifetime int `json:"lifetime"`
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Description CallData `json:"description"`
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}
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type CallHangupEventContent struct {
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BaseCallEventContent
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Reason CallHangupReason `json:"reason"`
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}
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