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fix(M2): wire vc_client's real voice plane through the C ABI, not just raw sockets

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test_m2_voice passed against raw BSD sockets, but vc_client::stream_start/stop,
UDP binding, and capture/recv were still VC_ERR_NOT_IMPLEMENTED stubs -- meaning
vccli and any GUI client still couldn't actually talk. Implements the real
client-side UDP-binding handshake, media key derivation, capture->encode->seal->
send and recv->open->decode->playback paths, plus server-side StreamInfo
broadcast so peers learn about each other's streams via sync_remote_streams().

Adds test_voice_client_abi (two real vc_client instances, not raw sockets) and
vccli --voice/--mute/--text flags, manually verified live between two instances.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
Talon
2026-06-16 02:12:50 +02:00
parent 694494a5be
commit c693cab35c
13 changed files with 1017 additions and 30 deletions
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4
server/src/conn_session.h
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@@ -86,6 +86,7 @@ class ConnSession : public std::enable_shared_from_this<ConnSession> {
void handle_ping(const voicecat::v1::Ping& msg);
void handle_udp_binding(uint64_t req_id, const voicecat::v1::UdpBinding& msg);
void handle_stream_announce(uint64_t req_id, const voicecat::v1::StreamAnnounce& msg);
void handle_stream_stop(const voicecat::v1::StreamStop& msg);
void finish_guest_auth(const voicecat::v1::GuestAuth& guest, uint64_t req_id);
void finish_password_auth(const std::string& username, const std::string& password,
@@ -119,6 +120,9 @@ class ConnSession : public std::enable_shared_from_this<ConnSession> {
mutable std::mutex crypto_mu_;
std::unique_ptr<voicecat::crypto::SodiumMediaCrypto> send_crypto_;
std::unique_ptr<voicecat::crypto::SodiumMediaCrypto> recv_crypto_;
// M2: locally-announced stream (single MIC stream per session for now)
uint32_t announced_stream_id_{0};
};
} // namespace voicecat::server