pitaya

package module
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 Go to latest Published: Sep 6, 2021 License: MIT Imports: 43 Imported by: 0

README

pitaya Build Status Coverage Status GoDoc Docs Go Report Card MIT licensed

Pitaya is an simple, fast and lightweight game server framework with clustering support and client libraries for iOS, Android, Unity and others through the C SDK. It provides a basic development framework for distributed multiplayer games and server-side applications.

Getting Started

Prerequisites
  • Go >= 1.10
  • etcd (used for service discovery)
  • nats (optional, used for sending and receiving rpc, grpc implementations can be used too if prefered)
  • docker (optional: used for running etcd and nats dependencies on containers)
Installing

clone the repo

git clone https://github.com/topfreegames/pitaya.git

setup pitaya dependencies

make setup
Hacking pitaya

Here's one example of running Pitaya:

Start etcd (This command requires docker-compose and will run an etcd container locally. An etcd may be run without docker if prefered.)

cd ./examples/testing && docker-compose up -d etcd

run the connector frontend server from cluster_grpc example

make run-cluster-grpc-example-connector

run the room backend server from the cluster_grpc example

make run-cluster-grpc-example-room

Now there should be 2 pitaya servers running, a frontend connector and a backend room. To send requests, use a REPL client for pitaya pitaya-cli.

$ pitaya-cli
Pitaya REPL Client
>>> connect localhost:3250
connected!
>>> request room.room.entry
>>> sv-> {"code":0,"result":"ok"}

Running the tests

make test

This command will run both unit and e2e tests.

Contributing

#TODO

Authors

  • TFG Co - Initial work

License

MIT License

Acknowledgements

  • nano authors for building the framework pitaya is based on.
  • pomelo authors for the inspiration on the distributed design and protocol

Security

If you have found a security vulnerability, please email security@tfgco.com

Resources

Documentation

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

func AddAcceptor 

func AddAcceptor(ac acceptor.Acceptor)

AddAcceptor adds a new acceptor to app

func AddGRPCInfoToMetadata 

func AddGRPCInfoToMetadata(
	metadata map[string]string,
	region string,
	host, port string,
	externalHost, externalPort string,
) map[string]string

AddGRPCInfoToMetadata adds host, external host and port into metadata

func AddMetricTagsToPropagateCtx 

func AddMetricTagsToPropagateCtx(
	ctx context.Context,
	tags map[string]string,
) context.Context

AddMetricTagsToPropagateCtx adds a key and metric tags that will be propagated through RPC calls. Use the same tags that are at 'pitaya.metrics.additionalTags' config

func AddMetricsReporter 

func AddMetricsReporter(mr metrics.Reporter)

AddMetricsReporter to be used

func AddRoute 

func AddRoute(
	serverType string,
	routingFunction router.RoutingFunc,
) error

AddRoute adds a routing function to a server type

func AddToPropagateCtx 

func AddToPropagateCtx(ctx context.Context, key string, val interface{}) context.Context

AddToPropagateCtx adds a key and value that will be propagated through RPC calls

func AfterHandler 

func AfterHandler(h pipeline.AfterHandlerTempl)

AfterHandler pushs a function to the back of the functions pipeline that will be executed after the handler method

func BeforeHandler 

func BeforeHandler(h pipeline.HandlerTempl)

BeforeHandler pushs a function to the back of the functions pipeline that will be executed before the handler method

func Configure 

func Configure(
	isFrontend bool,
	serverType string,
	serverMode ServerMode,
	serverMetadata map[string]string,
	cfgs ...*viper.Viper,
)

Configure configures the app

func Descriptor 

func Descriptor(protoName string) ([]byte, error)

Descriptor returns the protobuf message descriptor for a given message name

func Documentation 

func Documentation(getPtrNames bool) (map[string]interface{}, error)

Documentation returns handler and remotes documentacion

func Error 

func Error(err error, code uint32, metadata ...map[string]string) *errors.Error

Error creates a new error with a code, message and metadata

func ExtractSpan 

func ExtractSpan(ctx context.Context) (opentracing.SpanContext, error)

ExtractSpan retrieves an opentracing span context from the given context The span context can be received directly or via an RPC call

func GetConfig 

func GetConfig() *config.Config

GetConfig gets the pitaya config instance

func GetDefaultLoggerFromCtx 

func GetDefaultLoggerFromCtx(ctx context.Context) *logger.Logger

GetDefaultLoggerFromCtx returns the default logger from the given context

func GetDieChan 

func GetDieChan() chan bool

GetDieChan gets the channel that the app sinalizes when its going to die

func GetFromPropagateCtx 

func GetFromPropagateCtx(ctx context.Context, key string) interface{}

GetFromPropagateCtx adds a key and value that came through RPC calls

func GetMetricsReporters 

func GetMetricsReporters() []metrics.Reporter

GetMetricsReporters gets registered metrics reporters

func GetModule 

func GetModule(name string) (interfaces.Module, error)

GetModule gets a module with a name

func GetSerializer 

func GetSerializer() serialize.Serializer

GetSerializer gets the app serializer

func GetServer 

func GetServer() *cluster.Server

GetServer gets the local server instance

func GetServerByID 

func GetServerByID(id string) (*cluster.Server, error)

GetServerByID returns the server with the specified id

func GetServerID 

func GetServerID() string

GetServerID returns the generated server id

func GetServers 

func GetServers() []*cluster.Server

GetServers get all servers

func GetServersByType 

func GetServersByType(t string) (map[string]*cluster.Server, error)

GetServersByType get all servers of type

func GetSessionFromCtx 

func GetSessionFromCtx(ctx context.Context) *session.Session

GetSessionFromCtx retrieves a session from a given context

func GroupAddMember 

func GroupAddMember(ctx context.Context, groupName string, uid uint32) error

GroupAddMember adds UID to group

func GroupBroadcast 

func GroupBroadcast(ctx context.Context, frontendType, groupName, route string, v interface{}) error

GroupBroadcast pushes the message to all members inside group

func GroupContainsMember 

func GroupContainsMember(ctx context.Context, groupName string, uid uint32) (bool, error)

GroupContainsMember checks whether an UID is contained in group or not

func GroupCountMembers 

func GroupCountMembers(ctx context.Context, groupName string) (int, error)

GroupCountMembers get current member amount in group

func GroupCreate 

func GroupCreate(ctx context.Context, groupName string) error

GroupCreate creates a group

func GroupCreateWithTTL 

func GroupCreateWithTTL(ctx context.Context, groupName string, ttlTime time.Duration) error

GroupCreateWithTTL creates a group with given TTL

func GroupDelete 

func GroupDelete(ctx context.Context, groupName string) error

GroupDelete deletes whole group, including UIDs and base group

func GroupMembers 

func GroupMembers(ctx context.Context, groupName string) ([]uint32, error)

GroupMembers returns all member's UIDs

func GroupRemoveAll 

func GroupRemoveAll(ctx context.Context, groupName string) error

GroupRemoveAll clears all UIDs

func GroupRemoveMember 

func GroupRemoveMember(ctx context.Context, groupName string, uid uint32) error

GroupRemoveMember removes specified UID from group

func GroupRenewTTL 

func GroupRenewTTL(ctx context.Context, groupName string) error

GroupRenewTTL renews group with the initial TTL

func InitGroups 

func InitGroups(groupService groups.GroupService)

InitGroups should be called once at the beginning of the application to setup the service type that will manage the groups

func NewAfterTimer 

func NewAfterTimer(duration time.Duration, fn timer.Func) *timer.Timer

NewAfterTimer returns a new Timer containing a function that will be called after duration that specified by the duration argument. The duration d must be greater than zero; if not, NewAfterTimer will panic. Stop the timer to release associated resources.

func NewCondTimer 

func NewCondTimer(condition timer.Condition, fn timer.Func) (*timer.Timer, error)

NewCondTimer returns a new Timer containing a function that will be called when condition satisfied that specified by the condition argument. The duration d must be greater than zero; if not, NewCondTimer will panic. Stop the timer to release associated resources.

func NewCountTimer 

func NewCountTimer(interval time.Duration, count int, fn timer.Func) *timer.Timer

NewCountTimer returns a new Timer containing a function that will be called with a period specified by the duration argument. After count times, timer will be stopped automatically, It adjusts the intervals for slow receivers. The duration d must be greater than zero; if not, NewCountTimer will panic. Stop the timer to release associated resources.

func NewSessionTimer 

func NewSessionTimer(session *session.Session, interval time.Duration, fn timer.Func) *timer.Timer

func NewTimer 

func NewTimer(interval time.Duration, fn timer.Func) *timer.Timer

NewTimer returns a new Timer containing a function that will be called with a period specified by the duration argument. It adjusts the intervals for slow receivers. The duration d must be greater than zero; if not, NewTimer will panic. Stop the timer to release associated resources.

func RPC 

func RPC(ctx context.Context, routeStr string, reply proto.Message, arg proto.Message) error

RPC calls a method in a different server

func RPCTo 

func RPCTo(ctx context.Context, serverID, routeStr string, reply proto.Message, arg proto.Message) error

RPCTo send a rpc to a specific server

func Register 

func Register(c component.Component, options ...component.Option)

Register register a component with options

func RegisterModule 

func RegisterModule(module interfaces.Module, name string) error

RegisterModule registers a module, by default it register after registered modules

func RegisterModuleAfter 

func RegisterModuleAfter(module interfaces.Module, name string) error

RegisterModuleAfter registers a module after all registered modules

func RegisterModuleBefore 

func RegisterModuleBefore(module interfaces.Module, name string) error

RegisterModuleBefore registers a module before all registered modules

func RegisterRPCJob 

func RegisterRPCJob(rpcJob worker.RPCJob) error

RegisterRPCJob registers rpc job to execute jobs with retries

func RegisterRemote 

func RegisterRemote(c component.Component, options ...component.Option)

RegisterRemote register a remote component with options

func ReliableRPC 

func ReliableRPC(
	routeStr string,
	metadata map[string]interface{},
	reply, arg proto.Message,
) (jid string, err error)

ReliableRPC enqueues RPC to worker so it's executed asynchronously Default enqueue options are used

func ReliableRPCWithOptions 

func ReliableRPCWithOptions(
	routeStr string,
	metadata map[string]interface{},
	reply, arg proto.Message,
	opts *worker.EnqueueOpts,
) (jid string, err error)

ReliableRPCWithOptions enqueues RPC to worker Receive worker options for this specific RPC

func SendKickToUsers 

func SendKickToUsers(uids []uint32, frontendType string) ([]uint32, error)

SendKickToUsers sends kick to an user array

func SendPushToUsers 

func SendPushToUsers(route string, v interface{}, uids []uint32, frontendType string) ([]uint32, error)

SendPushToUsers sends a message to the given list of users

func SetDebug 

func SetDebug(debug bool)

SetDebug toggles debug on/off

func SetDictionary 

func SetDictionary(dict map[string]uint16) error

SetDictionary sets routes map

func SetHeartbeatTime 

func SetHeartbeatTime(interval time.Duration)

SetHeartbeatTime sets the heartbeat time

func SetLogger 

func SetLogger(l *logger.Logger)

SetLogger logger setter

func SetPacketDecoder 

func SetPacketDecoder(d codec.PacketDecoder)

SetPacketDecoder changes the decoder used to parse messages received

func SetPacketEncoder 

func SetPacketEncoder(e codec.PacketEncoder)

SetPacketEncoder changes the encoder used to package outgoing messages

func SetRPCClient 

func SetRPCClient(s cluster.RPCClient)

SetRPCClient to be used

func SetRPCServer 

func SetRPCServer(s cluster.RPCServer)

SetRPCServer to be used

func SetRateLimiter 

func SetRateLimiter(wrapper *acceptor.RateLimiter)

func SetSerializer 

func SetSerializer(seri serialize.Serializer)

SetSerializer customize application serializer, which automatically Marshal and UnMarshal handler payload

func SetServiceDiscoveryClient 

func SetServiceDiscoveryClient(s cluster.ServiceDiscovery)

SetServiceDiscoveryClient to be used

func SetTimerBacklog 

func SetTimerBacklog(c int)

SetTimerBacklog set the timer created/closing channel backlog, A small backlog may cause the logic to be blocked when call NewTimer/NewCountTimer/timer.Stop in main logic gorontine.

func SetTimerPrecision 

func SetTimerPrecision(precision time.Duration)

SetTimerPrecision set the ticker precision, and time precision can not less than a Millisecond, and can not change after application running. The default precision is time.Second

func Shutdown 

func Shutdown()

Shutdown send a signal to let 'pitaya' shutdown itself.

func Start 

func Start()

Start starts the app

func StartWorker 

func StartWorker(config *config.Config) error

StartWorker configures, starts and returns pitaya worker

Types

type App 

type App struct {
	// contains filtered or unexported fields
}

App is the base app struct

type ServerMode 

type ServerMode byte

ServerMode represents a server mode 

const (

	// Cluster represents a server running with connection to other servers
	Cluster ServerMode
	// Standalone represents a server running without connection to other servers
	Standalone
)

Source Files

View all Source files

Directories

Path Synopsis
mocks
Package mocks is a generated GoMock package.
 Package mocks is a generated GoMock package.
conn
codec
codec/mocks
Package mocks is a generated GoMock package.
 Package mocks is a generated GoMock package.
message
message/mocks
Package mocks is a generated GoMock package.
 Package mocks is a generated GoMock package.
packet
examples
demo/chat
demo/cluster
demo/cluster/services
demo/cluster_grpc
demo/cluster_grpc/services
demo/cluster_protobuf
demo/cluster_protobuf/protos
demo/cluster_protobuf/services
demo/custom_metrics
demo/custom_metrics/messages
demo/custom_metrics/services
demo/pipeline
demo/protos
demo/rate_limiting
demo/rate_limiting/services
demo/worker
demo/worker/protos
demo/worker/services
testing
testing/protos
mocks
Package mocks is a generated GoMock package.
 Package mocks is a generated GoMock package.
mocks
Package mocks is a generated GoMock package.
 Package mocks is a generated GoMock package.
Package mock_acceptor is a generated GoMock package.
 Package mock_acceptor is a generated GoMock package.
pkg
errors
mocks
Package mocks is a generated GoMock package.
 Package mocks is a generated GoMock package.
test
json
mocks
Package mocks is a generated GoMock package.
 Package mocks is a generated GoMock package.
protobuf
mocks
Package mocks is a generated GoMock package.
 Package mocks is a generated GoMock package.
jaeger
compression
mocks
Package mocks is a generated GoMock package.
 Package mocks is a generated GoMock package.

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