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console_match.go
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/
console_match.go
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// Copyright 2018 The Nakama Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package server
import (
"context"
"strings"
"github.com/doublemo/nakama-common/runtime"
"github.com/doublemo/nakama-plus/v3/console"
"github.com/gofrs/uuid/v5"
"go.uber.org/zap"
"google.golang.org/grpc/codes"
"google.golang.org/grpc/status"
)
func (s *ConsoleServer) ListMatches(ctx context.Context, in *console.ListMatchesRequest) (*console.MatchList, error) {
matchID := in.MatchId
// Try get match ID for authoritative query
if in.Authoritative != nil && in.Authoritative.Value && in.Query != nil {
matchID = in.Query.Value
}
if matchID != "" {
match, node, err := s.matchRegistry.GetMatch(ctx, matchID)
if err == nil {
if in.Authoritative != nil && !in.Authoritative.Value && node != "" {
return nil, status.Error(codes.InvalidArgument, "Match ID is not valid.")
}
return &console.MatchList{Matches: []*console.MatchList_Match{{ApiMatch: match, Node: node}}}, nil
} else {
if err == runtime.ErrMatchIdInvalid {
if (in.Authoritative != nil && !in.Authoritative.Value) || in.Authoritative == nil {
return nil, status.Error(codes.InvalidArgument, "Match ID is not valid.")
}
} else {
s.logger.Error("Error listing matches", zap.Error(err))
return nil, status.Error(codes.Internal, "Error listing matches.")
}
}
}
// Invalid match ID, call standard match listing
limit := 100
if in.GetLimit() != nil {
if in.GetLimit().Value < 1 || in.GetLimit().Value > 100 {
return nil, status.Error(codes.InvalidArgument, "Invalid limit - limit must be between 1 and 100.")
}
limit = int(in.GetLimit().Value)
}
if in.Label != nil && (in.Authoritative != nil && !in.Authoritative.Value) {
return nil, status.Error(codes.InvalidArgument, "Label filtering is not supported for non-authoritative matches.")
}
if in.Query != nil && (in.Authoritative != nil && !in.Authoritative.Value) {
return nil, status.Error(codes.InvalidArgument, "Query filtering is not supported for non-authoritative matches.")
}
if in.MinSize != nil && in.MinSize.Value < 0 {
return nil, status.Error(codes.InvalidArgument, "Minimum size must be 0 or above.")
}
if in.MaxSize != nil && in.MaxSize.Value < 0 {
return nil, status.Error(codes.InvalidArgument, "Maximum size must be 0 or above.")
}
if in.MinSize != nil && in.MaxSize != nil && in.MinSize.Value > in.MaxSize.Value {
return nil, status.Error(codes.InvalidArgument, "Maximum size must be greater than or equal to minimum size when both are specified.")
}
matches, nodes, err := s.matchRegistry.ListMatches(ctx, limit, in.Authoritative, in.Label, in.MinSize, in.MaxSize, in.Query, in.Node)
if err != nil {
s.logger.Error("Error listing matches", zap.Error(err))
return nil, status.Error(codes.Internal, "Error listing matches.")
}
results := make([]*console.MatchList_Match, 0, len(matches))
for i, match := range matches {
var node string
if i < len(nodes) {
node = nodes[i]
}
results = append(results, &console.MatchList_Match{ApiMatch: match, Node: node})
}
return &console.MatchList{Matches: results}, nil
}
func (s *ConsoleServer) GetMatchState(ctx context.Context, in *console.MatchStateRequest) (*console.MatchState, error) {
// Validate the match ID.
matchIDComponents := strings.SplitN(in.GetId(), ".", 2)
if len(matchIDComponents) != 2 {
return nil, status.Error(codes.InvalidArgument, "Invalid match ID.")
}
matchID, err := uuid.FromString(matchIDComponents[0])
if err != nil {
return nil, status.Error(codes.InvalidArgument, "Invalid match ID.")
}
node := matchIDComponents[1]
if node == "" {
// Relayed matches don't have a state.
return &console.MatchState{State: ""}, nil
}
presences, tick, state, err := s.matchRegistry.GetState(ctx, matchID, node)
if err != nil {
if err != context.Canceled && err != runtime.ErrMatchNotFound {
s.logger.Error("Error getting match state.", zap.Any("in", in), zap.Error(err))
}
if err == runtime.ErrMatchNotFound {
return nil, status.Error(codes.InvalidArgument, "Match not found, or match handler already stopped.")
}
return nil, status.Error(codes.Internal, "Error listing matches.")
}
return &console.MatchState{Presences: presences, Tick: tick, State: state}, nil
}