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## What changed?
<!-- Describe what has changed in this PR -->
Remove license header from every file. Because it is really hard to
follow in this PR here is the summary:
1. License header is removed from all `.go` and `.proto` files
:fireworks::fireworks:🎆.
2. `LICENSE` file in the root directory has only Temporal and Uber
copyrights.
3. 5 other `LICENSE` files added to the packages which have copyrights
different from Temporal and Uber: Datadog, Xargin, "Mat Ryer, Tyler
Bunnell and contributors".
4. `license_file` flag is removed from all code generation tools.
5. `copyright_file` flag is removed from `go:generate mockgen`
directive.
6. All copyright related targets are removed from `Makefile`.
7. Updated Temporal copyright year to 2025 everywhere.
## Why?
<!-- Tell your future self why have you made these changes -->
I double checked with legal department that it is not needed to have
license header in every file. One file per repo is enough. I put all
copyrights to the root `LICENSE` file and removed header from all other
files. Also updated tools and `Makefile`.
94 lines
2.1 KiB
Go
94 lines
2.1 KiB
Go
//go:generate mockgen -package $GOPACKAGE -source $GOFILE -destination connections_mock.go
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package history
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import (
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"sync"
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"go.temporal.io/server/api/historyservice/v1"
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"go.temporal.io/server/common/membership"
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"google.golang.org/grpc"
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)
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type (
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clientConnection struct {
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historyClient historyservice.HistoryServiceClient
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grpcConn *grpc.ClientConn
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}
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rpcAddress string
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connectionPoolImpl struct {
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mu struct {
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sync.RWMutex
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conns map[rpcAddress]clientConnection
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}
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historyServiceResolver membership.ServiceResolver
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rpcFactory RPCFactory
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}
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// RPCFactory is a subset of the [go.temporal.io/server/common/rpc.RPCFactory] interface to make testing easier.
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RPCFactory interface {
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CreateHistoryGRPCConnection(rpcAddress string) *grpc.ClientConn
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}
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connectionPool interface {
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getOrCreateClientConn(addr rpcAddress) clientConnection
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getAllClientConns() []clientConnection
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resetConnectBackoff(clientConnection)
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}
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)
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func newConnectionPool(
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historyServiceResolver membership.ServiceResolver,
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rpcFactory RPCFactory,
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) *connectionPoolImpl {
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c := &connectionPoolImpl{
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historyServiceResolver: historyServiceResolver,
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rpcFactory: rpcFactory,
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}
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c.mu.conns = make(map[rpcAddress]clientConnection)
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return c
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}
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func (c *connectionPoolImpl) getOrCreateClientConn(addr rpcAddress) clientConnection {
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c.mu.RLock()
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cc, ok := c.mu.conns[addr]
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c.mu.RUnlock()
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if ok {
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return cc
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}
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c.mu.Lock()
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defer c.mu.Unlock()
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if cc, ok = c.mu.conns[addr]; ok {
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return cc
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}
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grpcConn := c.rpcFactory.CreateHistoryGRPCConnection(string(addr))
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cc = clientConnection{
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historyClient: historyservice.NewHistoryServiceClient(grpcConn),
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grpcConn: grpcConn,
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}
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c.mu.conns[addr] = cc
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return cc
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}
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func (c *connectionPoolImpl) getAllClientConns() []clientConnection {
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hostInfos := c.historyServiceResolver.Members()
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var clientConns []clientConnection
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for _, hostInfo := range hostInfos {
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cc := c.getOrCreateClientConn(rpcAddress(hostInfo.GetAddress()))
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clientConns = append(clientConns, cc)
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}
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return clientConns
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}
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func (c *connectionPoolImpl) resetConnectBackoff(cc clientConnection) {
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cc.grpcConn.ResetConnectBackoff()
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}
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