main.proto

syntax = "proto3";

import "google/protobuf/empty.proto";
import "google/protobuf/timestamp.proto";

/*
 * ServerInfo Service
 */
service ServerInfoService {
    rpc info(google.protobuf.Empty) returns (ServerInfo) {}
}

message ServerInfo {
    string version = 1;
    google.protobuf.Timestamp lastShutdown = 2;
    google.protobuf.Timestamp startedAt = 3;
}


/*
 * PushService
 */
service PushService {
    rpc add(TokenRequest) returns (google.protobuf.Empty) {}
    rpc invite(InvitationRequest) returns (stream InvitationResponse) {}
}

// mclient token --add 123 --handle oliver
message TokenRequest {
    string token = 1;
    string handle = 2;
}

message Handle {
    string value = 1;
    repeated string tokens = 2;
}

// mclient token --invite "maike matz" --sessionid 123
message InvitationRequest {
    string from = 1; // change to synonym of "inviting person"
    repeated string to = 2; // change to recipients, should really be plural
    bytes payload = 3;
}

message InvitationResponse {
    int32 code = 1;
    string message = 2;
}

message APNConfig {
    string key = 1;
    string keyIdentifier = 2;
    string teamIdentifier = 3;
    string topic = 4;
    enum Environment {
        PRODUCTION = 0;
        SANDBOX = 1;
    };
    Environment environment = 5;
}


/*
 * AddressBook Service
 */
service AddressBookService {
    rpc list(google.protobuf.Empty) returns (stream Handle) {}
}



/*
 * Signal Service
 */
service SignalService {
    rpc signal(stream Signal) returns (stream Signal) {}
}

message Signal {
    oneof type {
        Connect connect = 1;
        Broadcast broadcast = 2;
        Error error = 3;
    }
}

message Connect {
    string from = 1;
    string sessionId = 2;
    bool connected = 3;
}

message Broadcast {
    string sessionId = 1;
    bytes payload = 2;
}

message Error {
    int32 code = 1;
    string message = 2;
}