| 72 | } |
| 73 | |
| 74 | [kDispatch] (opts, handler) { |
| 75 | let origin |
| 76 | if (opts.origin && (typeof opts.origin === 'string' || opts.origin instanceof URL)) { |
| 77 | origin = String(opts.origin) |
| 78 | } else { |
| 79 | throw new InvalidArgumentError('opts.origin must be a non-empty string or URL.') |
| 80 | } |
| 81 | |
| 82 | const allowH2 = opts.allowH2 ?? this[kOptions].allowH2 |
| 83 | const key = allowH2 === false ? `${origin}#http1-only` : origin |
| 84 | |
| 85 | if (this[kOrigins].size >= this[kOptions].maxOrigins && !this[kOrigins].has(origin)) { |
| 86 | throw new MaxOriginsReachedError() |
| 87 | } |
| 88 | |
| 89 | let dispatcher = this[kClients].get(key) |
| 90 | if (!dispatcher) { |
| 91 | dispatcher = this[kFactory](opts.origin, allowH2 === false |
| 92 | ? { ...this[kOptions], allowH2: false } |
| 93 | : this[kOptions]) |
| 94 | |
| 95 | const closeClientIfUnused = () => { |
| 96 | if (this[kClients].get(key) !== dispatcher) { |
| 97 | return |
| 98 | } |
| 99 | |
| 100 | if (dispatcher[kConnected] > 0 || dispatcher[kBusy]) { |
| 101 | return |
| 102 | } |
| 103 | |
| 104 | this[kClients].delete(key) |
| 105 | if (!dispatcher.destroyed) { |
| 106 | dispatcher.close() |
| 107 | } |
| 108 | |
| 109 | let hasOrigin = false |
| 110 | for (const client of this[kClients].values()) { |
| 111 | if (client[kUrl].origin === dispatcher[kUrl].origin) { |
| 112 | hasOrigin = true |
| 113 | break |
| 114 | } |
| 115 | } |
| 116 | |
| 117 | if (!hasOrigin) { |
| 118 | this[kOrigins].delete(dispatcher[kUrl].origin) |
| 119 | } |
| 120 | } |
| 121 | |
| 122 | dispatcher |
| 123 | .on('drain', this[kOnDrain]) |
| 124 | .on('connect', this[kOnConnect]) |
| 125 | .on('disconnect', (origin, targets, err) => { |
| 126 | closeClientIfUnused() |
| 127 | this[kOnDisconnect](origin, targets, err) |
| 128 | }) |
| 129 | .on('connectionError', (origin, targets, err) => { |
| 130 | closeClientIfUnused() |
| 131 | this[kOnConnectionError](origin, targets, err) |