Case
sendspin-server-cpp -> SendspinKit
Start the server first, then the client. The client advertises a listener, the server connects in, sends a metadata state update, disconnects, and the matrix compares a normalized metadata snapshot and checks that the first state carrying a metadata object bore a past or present timestamp.
Server
sendspin-server-cpp
Client
SendspinKit
Status
Passed
Metadata snapshot matches
Server activation
Initial server/activate
What the sendspin-server-cpp 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 sendspin-server-cpp 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 1
Inspection
Summaries, logs, and builds
Matrix result
RAW{
"case_dir": "artifacts/results/data/macos__server-initiated-metadata__sendspin-server-cpp__to__SendspinKit",
"client_exit_code": 0,
"client_impl": "SendspinKit",
"reason": "Metadata snapshot matches",
"scenario_id": "server-initiated-metadata",
"scenario_revision": 5,
"server_exit_code": 0,
"server_impl": "sendspin-server-cpp",
"status": "passed",
"unsupported": false
}Server summary (JSON)
RAW{
"activation": {
"payload": {
"active_roles": [
"metadata@v1"
],
"activities": [
"playback"
]
},
"type": "server/activate"
},
"availability_trace": [
{
"available": true,
"type": "client/state"
}
],
"client": {
"active_roles": [
"metadata@v1"
],
"client_id": "bJWiqOfTUhtI77hvJ7Jq8CJxvU8UzjUsDgF9LD3gJmQ",
"name": "SendspinKit-client",
"supported_roles": [
"metadata@v1"
]
},
"discovery_method": "registry",
"group_updates": [
{
"payload": {
"group_id": "1",
"group_name": "sendspin-server-cpp server",
"playback_state": "stopped"
},
"type": "group/update"
}
],
"implementation": "sendspin-server-cpp",
"initiator_role": "server",
"metadata": {
"expected": {
"album": "Protocol Fixtures",
"album_artist": "Sendspin",
"artist": "Sendspin Conformance",
"artwork_url": "https://example.invalid/almost-silent.jpg",
"progress": {
"playback_speed": 1000,
"track_duration": 180000,
"track_progress": 12000
},
"title": "Almost Silent",
"track": 1,
"year": 2026
},
"first_state_sent": {
"bound_us": 809147079,
"timestamp_us": 809146794
}
},
"peer_hello": {
"payload": {
"device_info": {
"manufacturer": "Apple",
"product_name": "Mac",
"software_version": "Version 26.6.2 (Build 25G83)"
},
"name": "SendspinKit-client",
"supported_pair_methods": {
"pairing_psk": {
"locations": [
"operator"
]
}
},
"supported_roles": [
"metadata@v1"
],
"unpaired_access": {
"enabled": true
}
},
"type": "client/hello"
},
"preferred_codec": "none",
"role": "server",
"scenario_id": "server-initiated-metadata",
"server_id": "A5ug6DPdhbHLQfLlRlyW0_oK428g1CvhPyEK6VQVHlk",
"server_name": "sendspin-server-cpp server",
"status": "ok",
"time_exchange": [
{
"payload": {
"client_transmitted": 809153179
},
"type": "client/time"
},
{
"payload": {
"client_transmitted": 809153179,
"server_received": 809153508,
"server_transmitted": 809153628
},
"type": "server/time"
},
{
"payload": {
"client_transmitted": 809234077
},
"type": "client/time"
},
{
"payload": {
"client_transmitted": 809234077,
"server_received": 809234469,
"server_transmitted": 809234590
},
"type": "server/time"
},
{
"type": "other-sent"
}
]
}Server log
RAWsendspin-server-cpp: dialing ws://127.0.0.1:19974/sendspin for playback
sendspin-server-cpp: "SendspinKit-client" at 127.0.0.1:19974 connected
sendspin-server-cpp: "SendspinKit-client" at 127.0.0.1:19974 disconnected: client/goodbye (shutdown)
listener: client SendspinKit-client disconnected: client/goodbye (reason shutdown)
{
"status": "ok",
"implementation": "sendspin-server-cpp",
"role": "server",
"server_name": "sendspin-server-cpp server",
"scenario_id": "server-initiated-metadata",
"initiator_role": "server",
"preferred_codec": "none",
"server_id": "A5ug6DPdhbHLQfLlRlyW0_oK428g1CvhPyEK6VQVHlk",
"discovery_method": "registry",
"peer_hello": {
"type": "client/hello",
"payload": {
"unpaired_access": {
"enabled": true
},
"supported_roles": [
"metadata@v1"
],
"name": "SendspinKit-client",
"device_info": {
"software_version": "Version 26.6.2 (Build 25G83)",
"manufacturer": "Apple",
"product_name": "Mac"
},
"supported_pair_methods": {
"pairing_psk": {
"locations": [
"operator"
]
}
}
}
},
"activation": {
"type": "server/activate",
"payload": {
"activities": [
"playback"
],
"active_roles": [
"metadata@v1"
]
}
},
"group_updates": [
{
"type": "group/update",
"payload": {
"playback_state": "stopped",
"group_id": "1",
"group_name": "sendspin-server-cpp server"
}
}
],
"availability_trace": [
{
"type": "client/state",
"available": true
}
],
"time_exchange": [
{
"payload": {
"client_transmitted": 809153179
},
"type": "client/time"
},
{
"type": "server/time",
"payload": {
"client_transmitted": 809153179,
"server_received": 809153508,
"server_transmitted": 809153628
}
},
{
"payload": {
"client_transmitted": 809234077
},
"type": "client/time"
},
{
"type": "server/time",
"payload": {
"client_transmitted": 809234077,
"server_received": 809234469,
"server_transmitted": 809234590
}
},
{
"type": "other-sent"
}
],
"client": {
"client_id": "bJWiqOfTUhtI77hvJ7Jq8CJxvU8UzjUsDgF9LD3gJmQ",
"name": "SendspinKit-client",
"supported_roles": [
"metadata@v1"
],
"active_roles": [
"metadata@v1"
]
},
"metadata": {
"expected": {
"title": "Almost Silent",
"artist": "Sendspin Conformance",
"album_artist": "Sendspin",
"album": "Protocol Fixtures",
"artwork_url": "https://example.invalid/almost-silent.jpg",
"year": 2026,
"track": 1,
"progress": {
"track_progress": 12000,
"track_duration": 180000,
"playback_speed": 1000
}
},
"first_state_sent": {
"timestamp_us": 809146794,
"bound_us": 809147079
}
}
}
Client summary (JSON)
RAW{
"client_id": "SendspinKit-client-id",
"client_name": "SendspinKit-client",
"implementation": "SendspinKit",
"initiator_role": "server",
"metadata": {
"received": {
"album": "Protocol Fixtures",
"album_artist": "Sendspin",
"artist": "Sendspin Conformance",
"artwork_url": "https://example.invalid/almost-silent.jpg",
"progress": {
"playback_speed": 1000,
"track_duration": 180000,
"track_progress": 12000
},
"title": "Almost Silent",
"track": 1,
"year": 2026
},
"update_count": 2
},
"peer_hello": {
"payload": {
"name": "sendspin-server-cpp server",
"server_id": "A5ug6DPdhbHLQfLlRlyW0_oK428g1CvhPyEK6VQVHlk"
},
"type": "server/hello"
},
"preferred_codec": "none",
"role": "client",
"scenario_id": "server-initiated-metadata",
"server": {
"name": "sendspin-server-cpp server",
"server_id": "A5ug6DPdhbHLQfLlRlyW0_oK428g1CvhPyEK6VQVHlk"
},
"status": "ok"
}Client log
RAW[ADAPTER] Listening for server connection on ws://127.0.0.1:19974/sendspin
[ADAPTER] Connected to server: sendspin-server-cpp server
[ADAPTER] Metadata: (nil)
[ADAPTER] Metadata: Almost Silent
[ADAPTER] Transport receive error: POSIXErrorCode(rawValue: 89): Operation canceled
{
"client_id" : "SendspinKit-client-id",
"client_name" : "SendspinKit-client",
"implementation" : "SendspinKit",
"initiator_role" : "server",
"metadata" : {
"received" : {
"album" : "Protocol Fixtures",
"album_artist" : "Sendspin",
"artist" : "Sendspin Conformance",
"artwork_url" : "https:\/\/example.invalid\/almost-silent.jpg",
"progress" : {
"playback_speed" : 1000,
"track_duration" : 180000,
"track_progress" : 12000
},
"title" : "Almost Silent",
"track" : 1,
"year" : 2026
},
"update_count" : 2
},
"peer_hello" : {
"payload" : {
"name" : "sendspin-server-cpp server",
"server_id" : "A5ug6DPdhbHLQfLlRlyW0_oK428g1CvhPyEK6VQVHlk"
},
"type" : "server\/hello"
},
"preferred_codec" : "none",
"role" : "client",
"scenario_id" : "server-initiated-metadata",
"server" : {
"name" : "sendspin-server-cpp server",
"server_id" : "A5ug6DPdhbHLQfLlRlyW0_oK428g1CvhPyEK6VQVHlk"
},
"status" : "ok"
}
[ADAPTER] Summary written to artifacts/results/data/macos__server-initiated-metadata__sendspin-server-cpp__to__SendspinKit/client-summary.json
Server build log · sendspin-server-cpp-server · built · 161.45s
RAWp-server.dir/trace_recorder.cpp.o
[100%] Linking CXX executable conformance-sendspin-server-cpp-server
[100%] Built target conformance-sendspin-server-cpp-server
/Users/runner/work/conformance/conformance/adapters/sendspin-server-cpp/server/build/_deps/noise_c-src/src/crypto/donna/poly1305-donna.c:21:6: warning: macro expansion producing 'defined' has undefined behavior [-Wexpansion-to-defined]
21 | #if (HAS_SIZEOF_INT128_64BIT || HAS_MSVC_64BIT || HAS_GCC_4_4_64BIT)
| ^
/Users/runner/work/conformance/conformance/adapters/sendspin-server-cpp/server/build/_deps/noise_c-src/src/crypto/donna/poly1305-donna.c:17:34: note: expanded from macro 'HAS_SIZEOF_INT128_64BIT'
17 | #define HAS_SIZEOF_INT128_64BIT (defined(__SIZEOF_INT128__) && defined(__LP64__))
| ^
/Users/runner/work/conformance/conformance/adapters/sendspin-server-cpp/server/build/_deps/noise_c-src/src/crypto/donna/poly1305-donna.c:21:6: warning: macro expansion producing 'defined' has undefined behavior [-Wexpansion-to-defined]
/Users/runner/work/conformance/conformance/adapters/sendspin-server-cpp/server/build/_deps/noise_c-src/src/crypto/donna/poly1305-donna.c:17:64: note: expanded from macro 'HAS_SIZEOF_INT128_64BIT'
17 | #define HAS_SIZEOF_INT128_64BIT (defined(__SIZEOF_INT128__) && defined(__LP64__))
| ^
/Users/runner/work/conformance/conformance/adapters/sendspin-server-cpp/server/build/_deps/noise_c-src/src/crypto/donna/poly1305-donna.c:21:33: warning: macro expansion producing 'defined' has undefined behavior [-Wexpansion-to-defined]
21 | #if (HAS_SIZEOF_INT128_64BIT || HAS_MSVC_64BIT || HAS_GCC_4_4_64BIT)
| ^
/Users/runner/work/conformance/conformance/adapters/sendspin-server-cpp/server/build/_deps/noise_c-src/src/crypto/donna/poly1305-donna.c:18:25: note: expanded from macro 'HAS_MSVC_64BIT'
18 | #define HAS_MSVC_64BIT (defined(_MSC_VER) && defined(_M_X64))
| ^
/Users/runner/work/conformance/conformance/adapters/sendspin-server-cpp/server/build/_deps/noise_c-src/src/crypto/donna/poly1305-donna.c:21:33: warning: macro expansion producing 'defined' has undefined behavior [-Wexpansion-to-defined]
/Users/runner/work/conformance/conformance/adapters/sendspin-server-cpp/server/build/_deps/noise_c-src/src/crypto/donna/poly1305-donna.c:18:46: note: expanded from macro 'HAS_MSVC_64BIT'
18 | #define HAS_MSVC_64BIT (defined(_MSC_VER) && defined(_M_X64))
| ^
/Users/runner/work/conformance/conformance/adapters/sendspin-server-cpp/server/build/_deps/noise_c-src/src/crypto/donna/poly1305-donna.c:21:51: warning: macro expansion producing 'defined' has undefined behavior [-Wexpansion-to-defined]
21 | #if (HAS_SIZEOF_INT128_64BIT || HAS_MSVC_64BIT || HAS_GCC_4_4_64BIT)
| ^
/Users/runner/work/conformance/conformance/adapters/sendspin-server-cpp/server/build/_deps/noise_c-src/src/crypto/donna/poly1305-donna.c:19:28: note: expanded from macro 'HAS_GCC_4_4_64BIT'
19 | #define HAS_GCC_4_4_64BIT (defined(__GNUC__) && defined(__LP64__) && ((__GNUC__ > 4) || ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 4))))
| ^
/Users/runner/work/conformance/conformance/adapters/sendspin-server-cpp/server/build/_deps/noise_c-src/src/crypto/donna/poly1305-donna.c:21:51: warning: macro expansion producing 'defined' has undefined behavior [-Wexpansion-to-defined]
/Users/runner/work/conformance/conformance/adapters/sendspin-server-cpp/server/build/_deps/noise_c-src/src/crypto/donna/poly1305-donna.c:19:49: note: expanded from macro 'HAS_GCC_4_4_64BIT'
19 | #define HAS_GCC_4_4_64BIT (defined(__GNUC__) && defined(__LP64__) && ((__GNUC__ > 4) || ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 4))))
| ^
6 warnings generated.Client build log · SendspinKit-client · built · 44.96s
RAWdspinKit DiscoveredServer.swift [73/110] Compiling SendspinKit ServerDiscovery.swift [74/110] Compiling SendspinKit Log.swift [75/110] Compiling SendspinKit ActivateMessages.swift [76/110] Compiling SendspinKit ArtworkModels.swift [77/110] Compiling SendspinKit AudioCodec.swift [78/110] Compiling SendspinKit AudioFormatSpec.swift [79/110] Compiling SendspinKit BinaryMessage.swift [80/110] Compiling SendspinKit ClientRole.swift [81/110] Compiling SendspinKit ClientStateMessages.swift [82/110] Compiling SendspinKit CommandMessages.swift [83/110] Compiling SendspinKit GoodbyeMessage.swift [84/110] Compiling SendspinKit HelloMessages.swift [85/110] Compiling SendspinKit InitMessages.swift [86/110] Compiling SendspinKit LeaveMessage.swift [87/110] Compiling SendspinKit PairingMessages.swift [88/110] Compiling SendspinKit SendspinMessage.swift [89/110] Compiling SendspinKit ServerStateMessages.swift [90/110] Compiling SendspinKit StreamMessages.swift [91/110] Compiling SendspinKit TimeMessages.swift [92/110] Compiling SendspinKit VisualizerBinaryPayload.swift [93/110] Compiling SendspinKit SaturatingArithmetic.swift [94/110] Compiling SendspinKit SendspinKit.swift [95/110] Compiling SendspinKit ClockSyncProtocol.swift [96/110] Compiling SendspinKit ClockSynchronizer.swift [97/110] Compiling SendspinKit MonotonicClock.swift [98/110] Compiling SendspinKit SendspinTimeFilter.swift [99/110] Compiling SendspinKit TimeFilterSnapshot.swift [100/110] Compiling SendspinKit FrameInbox.swift [101/110] Compiling SendspinKit NWWebSocketTransport.swift [102/110] Compiling SendspinKit NoiseChannel.swift [103/110] Compiling SendspinKit NoiseSessionEstablisher.swift [104/110] Compiling SendspinKit SendspinEncoding.swift [105/110] Compiling SendspinKit SendspinTransport.swift [106/110] Compiling SendspinKit TransportError.swift [107/110] Compiling SendspinKit WatermarkedSink.swift [108/112] Compiling ConformanceSendspinKitClient main.swift [109/112] Emitting module ConformanceSendspinKitClient [109/112] Write Objects.LinkFileList [110/112] Linking ConformanceSendspinKitClient [111/112] Applying ConformanceSendspinKitClient Build complete! (32.67s) Fetching https://github.com/sbooth/ogg-binary-xcframework.git Fetching https://github.com/sbooth/flac-binary-xcframework.git [1/23] Fetching ogg-binary-xcframework [24/55] Fetching ogg-binary-xcframework, flac-binary-xcframework Fetched https://github.com/sbooth/flac-binary-xcframework.git from cache (0.68s) Fetched https://github.com/sbooth/ogg-binary-xcframework.git from cache (0.69s) Fetching https://github.com/jedisct1/swift-sodium.git [1/5013] Fetching swift-sodium Fetched https://github.com/jedisct1/swift-sodium.git from cache (4.94s) Creating working copy for https://github.com/sbooth/ogg-binary-xcframework.git Creating working copy for https://github.com/jedisct1/swift-sodium.git Creating working copy for https://github.com/sbooth/flac-binary-xcframework.git Working copy of https://github.com/sbooth/flac-binary-xcframework.git resolved at 0.2.0 Working copy of https://github.com/sbooth/ogg-binary-xcframework.git resolved at 0.1.3 Working copy of https://github.com/jedisct1/swift-sodium.git resolved at 0.9.1 Downloading binary artifact https://github.com/sbooth/flac-binary-xcframework/releases/download/0.2.0/FLAC.xcframework.zip Downloading binary artifact https://github.com/sbooth/ogg-binary-xcframework/releases/download/0.1.3/ogg.xcframework.zip [15516/618747] Downloading https://github.com/sbooth/ogg-binary-xcframework/releases/download/0.1.3/ogg.xcframework.zip [80803/4541165] Downloading https://github.com/sbooth/ogg-binary-xcframework/releases/download/0.1.3/ogg.xcframework.zip, https://github.com/sbooth/flac-binary-xcframework/releases/download/0.2.0/FLAC.xcframework.zip Downloaded https://github.com/sbooth/ogg-binary-xcframework/releases/download/0.1.3/ogg.xcframework.zip (0.52s) Downloaded https://github.com/sbooth/flac-binary-xcframework/releases/download/0.2.0/FLAC.xcframework.zip (0.71s)