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export grpc pool conn
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Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>
This commit is contained in:
Василий Толстов 2024-02-14 19:14:56 +03:00
parent 2adba9d0da
commit 2fbcee7b59
4 changed files with 15 additions and 15 deletions
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24
grpc_pool.go
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@ -21,22 +21,22 @@ type ConnPool struct {
type streamsPool struct { type streamsPool struct {
// head of list // head of list
head *poolConn head *PoolConn
// busy conns list // busy conns list
busy *poolConn busy *PoolConn
// the siza of list // the siza of list
count int count int
// idle conn // idle conn
idle int idle int
} }
type poolConn struct { type PoolConn struct {
err error err error
*grpc.ClientConn *grpc.ClientConn
next *poolConn next *PoolConn
pool *ConnPool pool *ConnPool
sp *streamsPool sp *streamsPool
pre *poolConn pre *PoolConn
addr string addr string
streams int streams int
created int64 created int64
@ -59,7 +59,7 @@ func NewConnPool(size int, ttl time.Duration, idle int, ms int) *ConnPool {
} }
} }
func (p *ConnPool) Get(ctx context.Context, addr string, opts ...grpc.DialOption) (*poolConn, error) { func (p *ConnPool) Get(ctx context.Context, addr string, opts ...grpc.DialOption) (*PoolConn, error) {
if strings.HasPrefix(addr, "http") { if strings.HasPrefix(addr, "http") {
addr = addr[strings.Index(addr, ":")+3:] addr = addr[strings.Index(addr, ":")+3:]
} }
@ -67,7 +67,7 @@ func (p *ConnPool) Get(ctx context.Context, addr string, opts ...grpc.DialOption
p.Lock() p.Lock()
sp, ok := p.conns[addr] sp, ok := p.conns[addr]
if !ok { if !ok {
sp = &streamsPool{head: &poolConn{}, busy: &poolConn{}, count: 0, idle: 0} sp = &streamsPool{head: &PoolConn{}, busy: &PoolConn{}, count: 0, idle: 0}
p.conns[addr] = sp p.conns[addr] = sp
} }
// while we have conns check streams and then return one // while we have conns check streams and then return one
@ -135,7 +135,7 @@ func (p *ConnPool) Get(ctx context.Context, addr string, opts ...grpc.DialOption
if err != nil { if err != nil {
return nil, err return nil, err
} }
conn = &poolConn{ClientConn: cc, err: nil, addr: addr, pool: p, sp: sp, streams: 1, created: time.Now().Unix(), pre: nil, next: nil, in: false} conn = &PoolConn{ClientConn: cc, err: nil, addr: addr, pool: p, sp: sp, streams: 1, created: time.Now().Unix(), pre: nil, next: nil, in: false}
// add conn to streams pool // add conn to streams pool
p.Lock() p.Lock()
@ -147,7 +147,7 @@ func (p *ConnPool) Get(ctx context.Context, addr string, opts ...grpc.DialOption
return conn, nil return conn, nil
} }
func (p *ConnPool) Put(conn *poolConn, err error) { func (p *ConnPool) Put(conn *PoolConn, err error) {
p.Lock() p.Lock()
p, sp, created := conn.pool, conn.sp, conn.created p, sp, created := conn.pool, conn.sp, conn.created
// try to add conn // try to add conn
@ -182,11 +182,11 @@ func (p *ConnPool) Put(conn *poolConn, err error) {
p.Unlock() p.Unlock()
} }
func (conn *poolConn) Close() { func (conn *PoolConn) Close() {
conn.pool.Put(conn, conn.err) conn.pool.Put(conn, conn.err)
} }
func removeConn(conn *poolConn) { func removeConn(conn *PoolConn) {
if conn.pre != nil { if conn.pre != nil {
conn.pre.next = conn.next conn.pre.next = conn.next
} }
@ -199,7 +199,7 @@ func removeConn(conn *poolConn) {
conn.sp.count-- conn.sp.count--
} }
func addConnAfter(conn *poolConn, after *poolConn) { func addConnAfter(conn *PoolConn, after *PoolConn) {
conn.next = after.next conn.next = after.next
conn.pre = after conn.pre = after
if after.next != nil { if after.next != nil {

2
options.go
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@ -10,7 +10,7 @@ import (
) )
var ( var (
// DefaultPoolMaxStreams maximum streams on a connectioin // DefaultPoolMaxStreams maximum streams on a connection
// (20) // (20)
DefaultPoolMaxStreams = 20 DefaultPoolMaxStreams = 20

2
response.go
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@ -9,7 +9,7 @@ import (
) )
type response struct { type response struct {
conn *poolConn conn *PoolConn
stream grpc.ClientStream stream grpc.ClientStream
codec codec.Codec codec codec.Codec
} }

2
stream.go
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@ -17,7 +17,7 @@ type grpcStream struct {
request client.Request request client.Request
response client.Response response client.Response
close func(err error) close func(err error)
conn *poolConn conn *PoolConn
sync.RWMutex sync.RWMutex
closed bool closed bool
} }