// protoc -I=. -I=$GOPATH/src --go_out=plugins=grpc:. *.proto
syntax = "proto3";

package im.comet;
option go_package = "gitlab.33.cn/chat/im/api/comet/grpc";

message Proto {
    int32 ver = 1;
    int32 op = 2;
    int32 seq = 3;
    int32 ack = 4;
    bytes body = 5;
}

enum Op {
    Undefined       = 0;

    Auth            = 1;
    AuthReply       = 2;

    Heartbeat       = 3;
    HeartbeatReply  = 4;

    Disconnect      = 5;
    DisconnectReply = 6;

    SendMsg         = 7;
    SendMsgReply    = 8; //客户端回复消息已收到

    ReceiveMsg      = 9;
    ReceiveMsgReply = 10;

    ProtoReady      = 11;
    ProtoFinish     = 12;

    Raw             = 13;

    SyncMsgReq      = 14;
    SyncMsgReply    = 15;

    RePush          = 16;
}

// Proto 中 Op 为 OpAuth 时， body 必须可以反序列化为 AuthMsg
message AuthMsg {
    string appId = 1;
    string token = 2;
    bytes ext = 3; // 其它业务方可能需要的信息
}

// Proto 中 Op 为 SyncMsgReply 时， body 必须可以反序列化为 SyncMsg
message SyncMsg {
    int64 logId = 1;
}

message Empty{}

message PushMsgReq {
    repeated string keys = 1;
    int32 protoOp = 2;
    Proto proto = 3;
}

message PushMsgReply {
    map<string,int32> index = 1;
}

message BroadcastReq{
    int32 protoOp = 1;
    Proto proto = 2;
}

message BroadcastReply{}

message BroadcastGroupReq {
    string groupID = 1;
    Proto proto = 2;
}

message BroadcastGroupReply{}

message JoinGroupsReq {
    repeated string keys = 1;
    repeated string gid = 2;
}

message JoinGroupsReply{}

message LeaveGroupsReq {
    repeated string keys = 1;
    repeated string gid = 2;
}

message LeaveGroupsReply{}

message DelGroupsReq {
    repeated string gid = 1;
}

message DelGroupsReply{}

service Comet {
    rpc PushMsg(PushMsgReq) returns (PushMsgReply);
    rpc Broadcast(BroadcastReq) returns (BroadcastReply);
    rpc BroadcastGroup(BroadcastGroupReq) returns (BroadcastGroupReply);
    rpc JoinGroups(JoinGroupsReq) returns (JoinGroupsReply);
    rpc LeaveGroups(LeaveGroupsReq) returns (LeaveGroupsReply);
    rpc DelGroups(DelGroupsReq) returns (DelGroupsReply);
}