import "steamnetworkingsockets_messages_certs.proto"; import "steamnetworkingsockets_messages.proto"; option optimize_for = SPEED; option cc_generic_services = false; enum ESteamNetworkingUDPMsgID { k_ESteamNetworkingUDPMsg_ChallengeRequest = 32; k_ESteamNetworkingUDPMsg_ChallengeReply = 33; k_ESteamNetworkingUDPMsg_ConnectRequest = 34; k_ESteamNetworkingUDPMsg_ConnectOK = 35; k_ESteamNetworkingUDPMsg_ConnectionClosed = 36; k_ESteamNetworkingUDPMsg_NoConnection = 37; } message CMsgSteamSockets_UDP_ChallengeRequest { optional fixed32 connection_id = 1; optional fixed64 my_timestamp = 3; optional uint32 protocol_version = 4; } message CMsgSteamSockets_UDP_ChallengeReply { optional fixed32 connection_id = 1; optional fixed64 challenge = 2; optional fixed64 your_timestamp = 3; optional uint32 protocol_version = 4; } message CMsgSteamSockets_UDP_ConnectRequest { optional fixed32 client_connection_id = 1; optional fixed64 challenge = 2; optional fixed64 my_timestamp = 5; optional uint32 ping_est_ms = 6; optional .CMsgSteamDatagramSessionCryptInfoSigned crypt = 7; optional .CMsgSteamDatagramCertificateSigned cert = 4; optional uint32 legacy_protocol_version = 8; optional string identity_string = 10; optional fixed64 legacy_client_steam_id = 3; optional .CMsgSteamNetworkingIdentityLegacyBinary legacy_identity_binary = 9; } message CMsgSteamSockets_UDP_ConnectOK { optional fixed32 client_connection_id = 1; optional fixed32 server_connection_id = 5; optional fixed64 your_timestamp = 3; optional uint32 delay_time_usec = 4; optional .CMsgSteamDatagramSessionCryptInfoSigned crypt = 7; optional .CMsgSteamDatagramCertificateSigned cert = 8; optional string identity_string = 11; optional fixed64 legacy_server_steam_id = 2; optional .CMsgSteamNetworkingIdentityLegacyBinary legacy_identity_binary = 10; } message CMsgSteamSockets_UDP_ConnectionClosed { optional fixed32 to_connection_id = 4; optional fixed32 from_connection_id = 5; optional string debug = 2; optional uint32 reason_code = 3; } message CMsgSteamSockets_UDP_NoConnection { optional fixed32 from_connection_id = 2; optional fixed32 to_connection_id = 3; } message CMsgSteamSockets_UDP_Stats { enum Flags { ACK_REQUEST_E2E = 2; ACK_REQUEST_IMMEDIATE = 4; NOT_PRIMARY_TRANSPORT_E2E = 16; } optional .CMsgSteamDatagramConnectionQuality stats = 1; optional uint32 flags = 3; }