Case
aiosendspin -> sendspin-cpp
Start the server first, then the client. The client discovers or looks up the server, initiates the WebSocket connection, advertises PCM as its only supported audio format, streams audio derived from almost_silent.flac, and compares canonical PCM hashes.
Server
aiosendspin
Client
sendspin-cpp
Status
Passed
PCM hashes match exactly
Server activation
Initial server/activate
What the aiosendspin server's own adapter recorded for its first server/activate on this connection, reported as sent. The case fails when none was sent, when its activities are not unique values from playback and pairing, or when it omits active_roles. Nothing else in it is checked against the specification: which activities and roles the matched PSK allows is not judged. A recording that cannot be read as that message is shown whole and not judged either.
Server group state
Every group/update after activation
What the aiosendspin server's own adapter recorded for each group/update it sent after its first server/activate on this connection, in order and reported as sent. The case fails when none followed, or when in any of them playback_state is not playing or stopped, or group_id or group_name is missing or not a string. How soon the first followed is not judged, because the specification says promptly and gives no bound, so one sent at any point in the case counts. Whether a change to a field produced a further message is not judged either. A recording of anything other than that message is shown whole and fails the case as a harness gap.
1 of 3
2 of 3
3 of 3
Inspection
Summaries, logs, and builds
Matrix result
RAW{
"case_dir": "artifacts/results/data/macos__client-initiated-pcm__aiosendspin__to__sendspin-cpp",
"client_exit_code": 0,
"client_impl": "sendspin-cpp",
"reason": "PCM hashes match exactly",
"scenario_id": "client-initiated-pcm",
"scenario_revision": 6,
"server_exit_code": 0,
"server_impl": "aiosendspin",
"status": "passed",
"unsupported": false
}Server summary (JSON)
RAW{
"activation": {
"payload": {
"active_roles": [
"player@v1"
],
"activities": []
},
"type": "server/activate"
},
"audio": {
"bit_depth": 16,
"channels": 1,
"clip_seconds": 5.0,
"duration_seconds": 5.0,
"fixture": "/Users/runner/work/conformance/conformance/repos/sendspin-cli/tests/fixtures/almost_silent.flac",
"frame_alignment_samples": null,
"frame_count": 40000,
"sample_rate": 8000,
"sent_audio_chunk_count": 200,
"sent_codec_header_sha256": null,
"sent_encoded_byte_count": 80000,
"sent_encoded_sha256": "b3481a3f75dea856a961e7842d12f8344c7147b3925f9f0b67c5445700bd4cf2",
"source_flac_sha256": "8fdda8244e318c63cd8b699fe461cd7cdddbb729327a0ba00d1bfdbe2192fe17",
"source_pcm_sha256": "9d447b5b270bc99b45bb9a616937e436c941ca56c477f9cbe16a93275a6b059e",
"trimmed_source_frames": 0
},
"availability_trace": [
{
"available": true,
"type": "client/state"
},
{
"phase": "sending",
"roles": [
"player"
],
"type": "stream/start"
},
{
"phase": "sent",
"roles": [
"player"
],
"type": "stream/start"
}
],
"client": {
"active_roles": [
"player@v1"
],
"client_id": "8GOXUiVcY5K9Hf3RsSWjv9tDlRkmI7SZG_fmCq1JWAs",
"name": "sendspin-cpp-client",
"supported_roles": [
"player@v1"
]
},
"discovery_method": "registry_advertised",
"group_updates": [
{
"payload": {
"group_id": "7d441f36-cfcf-49c3-97ac-edd1a9b0e496",
"group_name": "sendspin-cpp-client",
"playback_state": "stopped"
},
"type": "group/update"
},
{
"payload": {
"group_id": "7d441f36-cfcf-49c3-97ac-edd1a9b0e496",
"group_name": "sendspin-cpp-client",
"playback_state": "playing"
},
"type": "group/update"
},
{
"payload": {
"group_id": "7d441f36-cfcf-49c3-97ac-edd1a9b0e496",
"group_name": "sendspin-cpp-client",
"playback_state": "stopped"
},
"type": "group/update"
}
],
"implementation": "aiosendspin",
"initiator_role": "client",
"peer_hello": {
"payload": {
"device_info": {
"mac_address": "9e:1f:65:cd:d6:b8",
"manufacturer": "Sendspin Conformance",
"product_name": "sendspin-cpp Conformance Client",
"software_version": "0.2.0"
},
"name": "sendspin-cpp-client",
"player@v1_support": {
"buffer_capacity": 621312,
"supported_formats": [
{
"bit_depth": 16,
"channels": 1,
"codec": "pcm",
"sample_rate": 8000
}
]
},
"supported_pair_methods": {
"pairing_psk": {}
},
"supported_roles": [
"player@v1"
],
"unpaired_access": {
"enabled": true
}
},
"type": "client/hello"
},
"preferred_codec": "pcm",
"role": "server",
"scenario_id": "client-initiated-pcm",
"server_id": "dsIlKLOY1OqUfE4ig1m3id0r6yr2D5_3R-FJLQZI30I",
"server_name": "aiosendspin server",
"status": "ok",
"stream": {
"bit_depth": 16,
"channels": 1,
"codec": "pcm",
"codec_header": null,
"sample_rate": 8000
},
"time_exchange": [
{
"payload": {
"client_transmitted": 572080744
},
"type": "client/time"
},
{
"payload": {
"client_transmitted": 572080744,
"server_received": 572080949,
"server_transmitted": 572081327
},
"type": "server/time"
},
{
"payload": {
"client_transmitted": 572081468
},
"type": "client/time"
},
{
"payload": {
"client_transmitted": 572081468,
"server_received": 572081535,
"server_transmitted": 572081598
},
"type": "server/time"
},
{
"payload": {
"client_transmitted": 572081663
},
"type": "client/time"
},
{
"payload": {
"client_transmitted": 572081663,
"server_received": 572081718,
"server_transmitted": 572081871
},
"type": "server/time"
},
{
"payload": {
"client_transmitted": 572081933
},
"type": "client/time"
},
{
"payload": {
"client_transmitted": 572081933,
"server_received": 572081993,
"server_transmitted": 572082042
},
"type": "server/time"
},
{
"payload": {
"client_transmitted": 572082102
},
"type": "client/time"
},
{
"payload": {
"client_transmitted": 572082102,
"server_received": 572082158,
"server_transmitted": 572082206
},
"type": "server/time"
},
{
"payload": {
"client_transmitted": 572082260
},
"type": "client/time"
},
{
"payload": {
"client_transmitted": 572082260,
"server_received": 572082308,
"server_transmitted": 572082352
},
"type": "server/time"
},
{
"payload": {
"client_transmitted": 572082405
},
"type": "client/time"
},
{
"payload": {
"client_transmitted": 572082405,
"server_received": 572082466,
"server_transmitted": 572082510
},
"type": "server/time"
},
{
"payload": {
"client_transmitted": 572082554
},
"type": "client/time"
},
{
"payload": {
"client_transmitted": 572082554,
"server_received": 572082608,
"server_transmitted": 572082647
},
"type": "server/time"
},
{
"type": "other-sent"
}
]
}Server log
RAWINFO:aiosendspin.server.server:Starting Sendspin server on port 18928
INFO:aiosendspin.server.server:Sendspin server started successfully on 127.0.0.1:18928
WARNING:aiosendspin.server.server:No IP addresses available for mDNS advertising. Clients may not be able to discover this server. Consider specifying addresses manually via advertise_addresses.
{
"activation": {
"payload": {
"active_roles": [
"player@v1"
],
"activities": []
},
"type": "server/activate"
},
"audio": {
"bit_depth": 16,
"channels": 1,
"clip_seconds": 5.0,
"duration_seconds": 5.0,
"fixture": "/Users/runner/work/conformance/conformance/repos/sendspin-cli/tests/fixtures/almost_silent.flac",
"frame_alignment_samples": null,
"frame_count": 40000,
"sample_rate": 8000,
"sent_audio_chunk_count": 200,
"sent_codec_header_sha256": null,
"sent_encoded_byte_count": 80000,
"sent_encoded_sha256": "b3481a3f75dea856a961e7842d12f8344c7147b3925f9f0b67c5445700bd4cf2",
"source_flac_sha256": "8fdda8244e318c63cd8b699fe461cd7cdddbb729327a0ba00d1bfdbe2192fe17",
"source_pcm_sha256": "9d447b5b270bc99b45bb9a616937e436c941ca56c477f9cbe16a93275a6b059e",
"trimmed_source_frames": 0
},
"availability_trace": [
{
"available": true,
"type": "client/state"
},
{
"phase": "sending",
"roles": [
"player"
],
"type": "stream/start"
},
{
"phase": "sent",
"roles": [
"player"
],
"type": "stream/start"
}
],
"client": {
"active_roles": [
"player@v1"
],
"client_id": "8GOXUiVcY5K9Hf3RsSWjv9tDlRkmI7SZG_fmCq1JWAs",
"name": "sendspin-cpp-client",
"supported_roles": [
"player@v1"
]
},
"discovery_method": "registry_advertised",
"group_updates": [
{
"payload": {
"group_id": "7d441f36-cfcf-49c3-97ac-edd1a9b0e496",
"group_name": "sendspin-cpp-client",
"playback_state": "stopped"
},
"type": "group/update"
},
{
"payload": {
"group_id": "7d441f36-cfcf-49c3-97ac-edd1a9b0e496",
"group_name": "sendspin-cpp-client",
"playback_state": "playing"
},
"type": "group/update"
},
{
"payload": {
"group_id": "7d441f36-cfcf-49c3-97ac-edd1a9b0e496",
"group_name": "sendspin-cpp-client",
"playback_state": "stopped"
},
"type": "group/update"
}
],
"implementation": "aiosendspin",
"initiator_role": "client",
"peer_hello": {
"payload": {
"device_info": {
"mac_address": "9e:1f:65:cd:d6:b8",
"manufacturer": "Sendspin Conformance",
"product_name": "sendspin-cpp Conformance Client",
"software_version": "0.2.0"
},
"name": "sendspin-cpp-client",
"player@v1_support": {
"buffer_capacity": 621312,
"supported_formats": [
{
"bit_depth": 16,
"channels": 1,
"codec": "pcm",
"sample_rate": 8000
}
]
},
"supported_pair_methods": {
"pairing_psk": {}
},
"supported_roles": [
"player@v1"
],
"unpaired_access": {
"enabled": true
}
},
"type": "client/hello"
},
"preferred_codec": "pcm",
"role": "server",
"scenario_id": "client-initiated-pcm",
"server_id": "dsIlKLOY1OqUfE4ig1m3id0r6yr2D5_3R-FJLQZI30I",
"server_name": "aiosendspin server",
"status": "ok",
"stream": {
"bit_depth": 16,
"channels": 1,
"codec": "pcm",
"codec_header": null,
"sample_rate": 8000
},
"time_exchange": [
{
"payload": {
"client_transmitted": 572080744
},
"type": "client/time"
},
{
"payload": {
"client_transmitted": 572080744,
"server_received": 572080949,
"server_transmitted": 572081327
},
"type": "server/time"
},
{
"payload": {
"client_transmitted": 572081468
},
"type": "client/time"
},
{
"payload": {
"client_transmitted": 572081468,
"server_received": 572081535,
"server_transmitted": 572081598
},
"type": "server/time"
},
{
"payload": {
"client_transmitted": 572081663
},
"type": "client/time"
},
{
"payload": {
"client_transmitted": 572081663,
"server_received": 572081718,
"server_transmitted": 572081871
},
"type": "server/time"
},
{
"payload": {
"client_transmitted": 572081933
},
"type": "client/time"
},
{
"payload": {
"client_transmitted": 572081933,
"server_received": 572081993,
"server_transmitted": 572082042
},
"type": "server/time"
},
{
"payload": {
"client_transmitted": 572082102
},
"type": "client/time"
},
{
"payload": {
"client_transmitted": 572082102,
"server_received": 572082158,
"server_transmitted": 572082206
},
"type": "server/time"
},
{
"payload": {
"client_transmitted": 572082260
},
"type": "client/time"
},
{
"payload": {
"client_transmitted": 572082260,
"server_received": 572082308,
"server_transmitted": 572082352
},
"type": "server/time"
},
{
"payload": {
"client_transmitted": 572082405
},
"type": "client/time"
},
{
"payload": {
"client_transmitted": 572082405,
"server_received": 572082466,
"server_transmitted": 572082510
},
"type": "server/time"
},
{
"payload": {
"client_transmitted": 572082554
},
"type": "client/time"
},
{
"payload": {
"client_transmitted": 572082554,
"server_received": 572082608,
"server_transmitted": 572082647
},
"type": "server/time"
},
{
"type": "other-sent"
}
]
}
INFO:aiohttp.access:127.0.0.1 [21/Oct/2026:07:18:08 +0000] "GET /sendspin HTTP/1.1" 101 0 "-" "ixwebsocket/11.4.6 macos nossl"
Client summary (JSON)
RAW{
"audio": {
"audio_chunk_count": 200,
"received_encoded_sha256": "b3481a3f75dea856a961e7842d12f8344c7147b3925f9f0b67c5445700bd4cf2",
"received_pcm_sha256": "9d447b5b270bc99b45bb9a616937e436c941ca56c477f9cbe16a93275a6b059e",
"received_sample_count": 40000
},
"client_id": "8GOXUiVcY5K9Hf3RsSWjv9tDlRkmI7SZG_fmCq1JWAs",
"client_name": "sendspin-cpp-client",
"implementation": "sendspin-cpp",
"initiator_role": "client",
"peer_hello": {
"payload": {
"name": "aiosendspin server",
"source@v1_support": {
"supported_codecs": [
"flac",
"pcm",
"opus"
]
}
},
"type": "server/hello"
},
"preferred_codec": "pcm",
"reason": null,
"role": "client",
"scenario_id": "client-initiated-pcm",
"server": {
"connection_reason": null,
"name": "aiosendspin server",
"server_id": "dsIlKLOY1OqUfE4ig1m3id0r6yr2D5_3R-FJLQZI30I",
"version": 1
},
"status": "ok",
"stream": {
"bit_depth": 16,
"channels": 1,
"codec": "pcm",
"codec_header": null,
"sample_rate": 8000
}
}Client log
RAWI sendspin.record_store: Provisioned Sendspin Pairing PSK: tFiZah656_TSfFsr8uYMnPc-uC_NRvjuFhWaTKjvDYI
I sendspin.client: Generated ephemeral static keypair (no provider); client_id=8GOXUiVcY5K9Hf3RsSWjv9tDlRkmI7SZG_fmCq1JWAs
I sendspin.ws_server: Starting server on port: 19928 (max connections: 4)
I sendspin.conn_mgr: Initiating client connection to: ws://127.0.0.1:18928/sendspin
I sendspin.noise_handshake: Noise handshake complete: server_id=dsIlKLOY1OqUfE4ig1m3id0r6yr2D5_3R-FJLQZI30I psk_category=2
I sendspin.connection: Noise transport active (server_id=dsIlKLOY1OqUfE4ig1m3id0r6yr2D5_3R-FJLQZI30I, psk_category=2)
I sendspin.conn_mgr: Connection admitted: server_id=dsIlKLOY1OqUfE4ig1m3id0r6yr2D5_3R-FJLQZI30I
I sendspin.sync_task: Processed new codec header: pcm, 8000 Hz, 1 ch, 16-bit
I sendspin.conn_mgr: Admitted connection lost
{"status":"ok","reason":null,"implementation":"sendspin-cpp","role":"client","scenario_id":"client-initiated-pcm","initiator_role":"client","preferred_codec":"pcm","client_name":"sendspin-cpp-client","client_id":"8GOXUiVcY5K9Hf3RsSWjv9tDlRkmI7SZG_fmCq1JWAs","server":{"server_id":"dsIlKLOY1OqUfE4ig1m3id0r6yr2D5_3R-FJLQZI30I","name":"aiosendspin server","version":1,"connection_reason":null},"peer_hello":{"payload":{"name":"aiosendspin server","source@v1_support":{"supported_codecs":["flac","pcm","opus"]}},"type":"server/hello"},"stream":{"codec":"pcm","sample_rate":8000,"channels":1,"bit_depth":16,"codec_header":null},"audio":{"audio_chunk_count":200,"received_encoded_sha256":"b3481a3f75dea856a961e7842d12f8344c7147b3925f9f0b67c5445700bd4cf2","received_pcm_sha256":"9d447b5b270bc99b45bb9a616937e436c941ca56c477f9cbe16a93275a6b059e","received_sample_count":40000}}Server build log · python-adapters · built · 0.24s
RAW.py'... Compiling 'src/conformance/_vendor/aiosendspin/server/roles/player/audio_transformers.py'... Compiling 'src/conformance/_vendor/aiosendspin/server/roles/player/capabilities.py'... Compiling 'src/conformance/_vendor/aiosendspin/server/roles/player/events.py'... Compiling 'src/conformance/_vendor/aiosendspin/server/roles/player/group.py'... Compiling 'src/conformance/_vendor/aiosendspin/server/roles/player/types.py'... Compiling 'src/conformance/_vendor/aiosendspin/server/roles/player/v1.py'... Compiling 'src/conformance/_vendor/aiosendspin/server/roles/registry.py'... Compiling 'src/conformance/_vendor/aiosendspin/server/roles/scheduled_state.py'... Listing 'src/conformance/_vendor/aiosendspin/server/roles/source'... Compiling 'src/conformance/_vendor/aiosendspin/server/roles/source/__init__.py'... Compiling 'src/conformance/_vendor/aiosendspin/server/roles/source/events.py'... Compiling 'src/conformance/_vendor/aiosendspin/server/roles/source/stream.py'... Compiling 'src/conformance/_vendor/aiosendspin/server/roles/source/v1.py'... Listing 'src/conformance/_vendor/aiosendspin/server/roles/visualizer'... Compiling 'src/conformance/_vendor/aiosendspin/server/roles/visualizer/__init__.py'... Compiling 'src/conformance/_vendor/aiosendspin/server/roles/visualizer/features.py'... Compiling 'src/conformance/_vendor/aiosendspin/server/roles/visualizer/group.py'... Compiling 'src/conformance/_vendor/aiosendspin/server/roles/visualizer/packing.py'... Compiling 'src/conformance/_vendor/aiosendspin/server/roles/visualizer/types.py'... Compiling 'src/conformance/_vendor/aiosendspin/server/roles/visualizer/v1.py'... Listing 'src/conformance/_vendor/aiosendspin/server/roles/visualizer_draft_r1'... Compiling 'src/conformance/_vendor/aiosendspin/server/roles/visualizer_draft_r1/__init__.py'... Compiling 'src/conformance/_vendor/aiosendspin/server/roles/visualizer_draft_r1/features.py'... Compiling 'src/conformance/_vendor/aiosendspin/server/roles/visualizer_draft_r1/packing.py'... Compiling 'src/conformance/_vendor/aiosendspin/server/roles/visualizer_draft_r1/role.py'... Compiling 'src/conformance/_vendor/aiosendspin/server/server.py'... Compiling 'src/conformance/_vendor/aiosendspin/util.py'... Listing 'src/conformance/adapters'... Compiling 'src/conformance/adapters/__init__.py'... Compiling 'src/conformance/adapters/_aiosendspin_pairing.py'... Compiling 'src/conformance/adapters/_aiosendspin_protocol_evidence.py'... Compiling 'src/conformance/adapters/aiosendspin_client.py'... Compiling 'src/conformance/adapters/aiosendspin_server.py'... Compiling 'src/conformance/adapters/placeholder.py'... Compiling 'src/conformance/cli.py'... Compiling 'src/conformance/flac.py'... Compiling 'src/conformance/merge.py'... Compiling 'src/conformance/pcm.py'... Compiling 'src/conformance/registry.py'... Listing 'src/conformance/validator'... Compiling 'src/conformance/validator/__init__.py'... Compiling 'src/conformance/validator/checks.py'... Compiling 'src/conformance/validator/cli.py'... Compiling 'src/conformance/validator/code_pairing.py'... Compiling 'src/conformance/validator/code_pairing_checks.py'... Compiling 'src/conformance/validator/discovery.py'... Compiling 'src/conformance/validator/findings.py'... Compiling 'src/conformance/validator/noncompliance_refs.py'... Compiling 'src/conformance/validator/prompter.py'... Compiling 'src/conformance/validator/recorder.py'... Compiling 'src/conformance/validator/report.py'... Compiling 'src/conformance/validator/session.py'... Compiling 'src/conformance/validator/storage.py'... Compiling 'src/conformance/validator/suite_checks.py'... Compiling 'src/conformance/validator/suites.py'... Listing 'src/sendspin_conformance.egg-info'... Listing 'scripts'... Compiling 'scripts/detect_regressions.py'... Compiling 'scripts/merge_results.py'... Compiling 'scripts/run_all.py'... Compiling 'scripts/setup_repositories.py'... Compiling 'scripts/setup_workspace.py'... Compiling 'scripts/vendor_aiosendspin.py'...
Client build log · sendspin-cpp-client · built · 63.96s
RAW/IXWebSocketPerMessageDeflateCodec.cpp:194:60: warning: unused parameter 'clientNoContextTakeOver' [-Wunused-parameter]
194 | bool clientNoContextTakeOver)
| ^
/Users/runner/work/conformance/conformance/adapters/sendspin-cpp/client/build/_deps/ixwebsocket-src/ixwebsocket/IXWebSocketPerMessageDeflateCodec.cpp:209:80: warning: unused parameter 'in' [-Wunused-parameter]
209 | bool WebSocketPerMessageDeflateDecompressor::decompress(const std::string& in, std::string& out)
| ^
/Users/runner/work/conformance/conformance/adapters/sendspin-cpp/client/build/_deps/ixwebsocket-src/ixwebsocket/IXWebSocketPerMessageDeflateCodec.cpp:209:97: warning: unused parameter 'out' [-Wunused-parameter]
209 | bool WebSocketPerMessageDeflateDecompressor::decompress(const std::string& in, std::string& out)
| ^
In file included from /Users/runner/work/conformance/conformance/adapters/sendspin-cpp/client/build/_deps/ixwebsocket-src/ixwebsocket/IXWebSocketPerMessageDeflateCodec.cpp:7:
/Users/runner/work/conformance/conformance/adapters/sendspin-cpp/client/build/_deps/ixwebsocket-src/ixwebsocket/IXWebSocketPerMessageDeflateCodec.h:39:13: warning: private field '_flush' is not used [-Wunused-private-field]
39 | int _flush;
| ^
/Users/runner/work/conformance/conformance/adapters/sendspin-cpp/client/build/_deps/ixwebsocket-src/ixwebsocket/IXWebSocketPerMessageDeflateCodec.h:40:44: warning: private field '_compressBuffer' is not used [-Wunused-private-field]
40 | std::array<unsigned char, 1 << 14> _compressBuffer;
| ^
/Users/runner/work/conformance/conformance/adapters/sendspin-cpp/client/build/_deps/ixwebsocket-src/ixwebsocket/IXWebSocketPerMessageDeflateCodec.h:57:13: warning: private field '_flush' is not used [-Wunused-private-field]
57 | int _flush;
| ^
/Users/runner/work/conformance/conformance/adapters/sendspin-cpp/client/build/_deps/ixwebsocket-src/ixwebsocket/IXWebSocketPerMessageDeflateCodec.h:58:44: warning: private field '_compressBuffer' is not used [-Wunused-private-field]
58 | std::array<unsigned char, 1 << 14> _compressBuffer;
| ^
12 warnings generated.
/Users/runner/work/conformance/conformance/adapters/sendspin-cpp/client/build/_deps/ixwebsocket-src/ixwebsocket/IXWebSocketPerMessageDeflateOptions.cpp:17:26: warning: unused variable 'minServerMaxWindowBits' [-Wunused-const-variable]
17 | static const uint8_t minServerMaxWindowBits = 8;
| ^~~~~~~~~~~~~~~~~~~~~~
/Users/runner/work/conformance/conformance/adapters/sendspin-cpp/client/build/_deps/ixwebsocket-src/ixwebsocket/IXWebSocketPerMessageDeflateOptions.cpp:18:26: warning: unused variable 'maxServerMaxWindowBits' [-Wunused-const-variable]
18 | static const uint8_t maxServerMaxWindowBits = 15;
| ^~~~~~~~~~~~~~~~~~~~~~
/Users/runner/work/conformance/conformance/adapters/sendspin-cpp/client/build/_deps/ixwebsocket-src/ixwebsocket/IXWebSocketPerMessageDeflateOptions.cpp:21:26: warning: unused variable 'minClientMaxWindowBits' [-Wunused-const-variable]
21 | static const uint8_t minClientMaxWindowBits = 8;
| ^~~~~~~~~~~~~~~~~~~~~~
/Users/runner/work/conformance/conformance/adapters/sendspin-cpp/client/build/_deps/ixwebsocket-src/ixwebsocket/IXWebSocketPerMessageDeflateOptions.cpp:22:26: warning: unused variable 'maxClientMaxWindowBits' [-Wunused-const-variable]
22 | static const uint8_t maxClientMaxWindowBits = 15;
| ^~~~~~~~~~~~~~~~~~~~~~
4 warnings generated.