Merge pull request #76 from unistack-org/backoff
use backoff for lookup too
This commit was merged in pull request #76.
	This commit is contained in:
		
							
								
								
									
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							| @@ -2,4 +2,11 @@ module go.unistack.org/micro-client-http/v3 | ||||
|  | ||||
| go 1.16 | ||||
|  | ||||
| require go.unistack.org/micro/v3 v3.9.7 | ||||
| require ( | ||||
| 	github.com/google/gnostic v0.6.9 // indirect | ||||
| 	github.com/google/go-cmp v0.5.7 // indirect | ||||
| 	github.com/kr/pretty v0.2.1 // indirect | ||||
| 	github.com/kr/text v0.2.0 // indirect | ||||
| 	go.unistack.org/micro/v3 v3.9.7 | ||||
| 	google.golang.org/protobuf v1.28.0 // indirect | ||||
| ) | ||||
|   | ||||
							
								
								
									
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								go.sum
									
									
									
									
									
								
							| @@ -10,6 +10,7 @@ github.com/client9/misspell v0.3.4/go.mod h1:qj6jICC3Q7zFZvVWo7KLAzC3yx5G7kyvSDk | ||||
| github.com/cncf/udpa/go v0.0.0-20191209042840-269d4d468f6f/go.mod h1:M8M6+tZqaGXZJjfX53e64911xZQV5JYwmTeXPW+k8Sc= | ||||
| github.com/cncf/udpa/go v0.0.0-20201120205902-5459f2c99403/go.mod h1:WmhPx2Nbnhtbo57+VJT5O0JRkEi1Wbu0z5j0R8u5Hbk= | ||||
| github.com/cncf/xds/go v0.0.0-20210312221358-fbca930ec8ed/go.mod h1:eXthEFrGJvWHgFFCl3hGmgk+/aYT6PnTQLykKQRLhEs= | ||||
| github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E= | ||||
| github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= | ||||
| github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= | ||||
| github.com/docopt/docopt-go v0.0.0-20180111231733-ee0de3bc6815/go.mod h1:WwZ+bS3ebgob9U8Nd0kOddGdZWjyMGR8Wziv+TBNwSE= | ||||
| @@ -39,23 +40,29 @@ github.com/golang/protobuf v1.4.3/go.mod h1:oDoupMAO8OvCJWAcko0GGGIgR6R6ocIYbsSw | ||||
| github.com/golang/protobuf v1.5.0/go.mod h1:FsONVRAS9T7sI+LIUmWTfcYkHO4aIWwzhcaSAoJOfIk= | ||||
| github.com/golang/protobuf v1.5.2 h1:ROPKBNFfQgOUMifHyP+KYbvpjbdoFNs+aK7DXlji0Tw= | ||||
| github.com/golang/protobuf v1.5.2/go.mod h1:XVQd3VNwM+JqD3oG2Ue2ip4fOMUkwXdXDdiuN0vRsmY= | ||||
| github.com/google/gnostic v0.6.6 h1:MVSM2r2j9aRUvYNym66JGW96Ddd5MN4sTi59yktb6yk= | ||||
| github.com/google/gnostic v0.6.6/go.mod h1:Nm8234We1lq6iB9OmlgNv3nH91XLLVZHCDayfA3xq+E= | ||||
| github.com/google/gnostic v0.6.8 h1:bT56GPYBWh1tvBuBEd94qcS3+60b+y0HQur0ITkGuCk= | ||||
| github.com/google/gnostic v0.6.8/go.mod h1:Nm8234We1lq6iB9OmlgNv3nH91XLLVZHCDayfA3xq+E= | ||||
| github.com/google/gnostic v0.6.9 h1:ZK/5VhkoX835RikCHpSUJV9a+S3e1zLh59YnyWeBW+0= | ||||
| github.com/google/gnostic v0.6.9/go.mod h1:Nm8234We1lq6iB9OmlgNv3nH91XLLVZHCDayfA3xq+E= | ||||
| github.com/google/go-cmp v0.2.0/go.mod h1:oXzfMopK8JAjlY9xF4vHSVASa0yLyX7SntLO5aqRK0M= | ||||
| github.com/google/go-cmp v0.3.0/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU= | ||||
| github.com/google/go-cmp v0.3.1/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU= | ||||
| github.com/google/go-cmp v0.4.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE= | ||||
| github.com/google/go-cmp v0.5.0/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE= | ||||
| github.com/google/go-cmp v0.5.5 h1:Khx7svrCpmxxtHBq5j2mp/xVjsi8hQMfNLvJFAlrGgU= | ||||
| github.com/google/go-cmp v0.5.5/go.mod h1:v8dTdLbMG2kIc/vJvl+f65V22dbkXbowE6jgT/gNBxE= | ||||
| github.com/google/go-cmp v0.5.7 h1:81/ik6ipDQS2aGcBfIN5dHDB36BwrStyeAQquSYCV4o= | ||||
| github.com/google/go-cmp v0.5.7/go.mod h1:n+brtR0CgQNWTVd5ZUFpTBC8YFBDLK/h/bpaJ8/DtOE= | ||||
| github.com/google/uuid v1.1.2/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo= | ||||
| github.com/grpc-ecosystem/grpc-gateway v1.16.0/go.mod h1:BDjrQk3hbvj6Nolgz8mAMFbcEtjT1g+wF4CSlocrBnw= | ||||
| github.com/imdario/mergo v0.3.12/go.mod h1:jmQim1M+e3UYxmgPu/WyfjB3N3VflVyUjjjwH0dnCYA= | ||||
| github.com/kr/pretty v0.2.0 h1:s5hAObm+yFO5uHYt5dYjxi2rXrsnmRpJx4OYvIWUaQs= | ||||
| github.com/kr/pretty v0.2.0/go.mod h1:ipq/a2n7PKx3OHsz4KJII5eveXtPO4qwEXGdVfWzfnI= | ||||
| github.com/kr/pretty v0.2.1 h1:Fmg33tUaq4/8ym9TJN1x7sLJnHVwhP33CNkpYV/7rwI= | ||||
| github.com/kr/pretty v0.2.1/go.mod h1:ipq/a2n7PKx3OHsz4KJII5eveXtPO4qwEXGdVfWzfnI= | ||||
| github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ= | ||||
| github.com/kr/text v0.1.0 h1:45sCR5RtlFHMR4UwH9sdQ5TC8v0qDQCHnXt+kaKSTVE= | ||||
| github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI= | ||||
| github.com/kr/text v0.2.0 h1:5Nx0Ya0ZqY2ygV366QzturHI13Jq95ApcVaJBhpS+AY= | ||||
| github.com/kr/text v0.2.0/go.mod h1:eLer722TekiGuMkidMxC/pM04lWEeraHUUmBw8l2grE= | ||||
| github.com/patrickmn/go-cache v2.1.0+incompatible/go.mod h1:3Qf8kWWT7OJRJbdiICTKqZju1ZixQ/KpMGzzAfe6+WQ= | ||||
| github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4= | ||||
| github.com/prometheus/client_model v0.0.0-20190812154241-14fe0d1b01d4/go.mod h1:xMI15A0UPsDsEKsMN9yxemIoYk6Tm2C1GtYGdfGttqA= | ||||
| @@ -142,8 +149,9 @@ google.golang.org/protobuf v1.23.1-0.20200526195155-81db48ad09cc/go.mod h1:EGpAD | ||||
| google.golang.org/protobuf v1.25.0/go.mod h1:9JNX74DMeImyA3h4bdi1ymwjUzf21/xIlbajtzgsN7c= | ||||
| google.golang.org/protobuf v1.26.0-rc.1/go.mod h1:jlhhOSvTdKEhbULTjvd4ARK9grFBp09yW+WbY/TyQbw= | ||||
| google.golang.org/protobuf v1.26.0/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc= | ||||
| google.golang.org/protobuf v1.27.1 h1:SnqbnDw1V7RiZcXPx5MEeqPv2s79L9i7BJUlG/+RurQ= | ||||
| google.golang.org/protobuf v1.27.1/go.mod h1:9q0QmTI4eRPtz6boOQmLYwt+qCgq0jsYwAQnmE0givc= | ||||
| google.golang.org/protobuf v1.28.0 h1:w43yiav+6bVFTBQFZX0r7ipe9JQ1QsbMgHwbBziscLw= | ||||
| google.golang.org/protobuf v1.28.0/go.mod h1:HV8QOd/L58Z+nl8r43ehVNZIU/HEI6OcFqwMG9pJV4I= | ||||
| gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0= | ||||
| gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15 h1:YR8cESwS4TdDjEe65xsg0ogRM/Nc3DYOhEAlW+xobZo= | ||||
| gopkg.in/check.v1 v1.0.0-20190902080502-41f04d3bba15/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0= | ||||
|   | ||||
							
								
								
									
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							| @@ -20,6 +20,7 @@ import ( | ||||
| 	"go.unistack.org/micro/v3/codec" | ||||
| 	"go.unistack.org/micro/v3/errors" | ||||
| 	"go.unistack.org/micro/v3/metadata" | ||||
| 	"go.unistack.org/micro/v3/selector" | ||||
| 	rutil "go.unistack.org/micro/v3/util/reflect" | ||||
| ) | ||||
|  | ||||
| @@ -386,18 +387,7 @@ func (h *httpClient) Call(ctx context.Context, req client.Request, rsp interface | ||||
| 		callOpts.Address = []string{h.opts.Proxy} | ||||
| 	} | ||||
|  | ||||
| 	// lookup the route to send the reques to | ||||
| 	// TODO apply any filtering here | ||||
| 	routes, err := h.opts.Lookup(ctx, req, callOpts) | ||||
| 	if err != nil { | ||||
| 		return errors.InternalServerError("go.micro.client", err.Error()) | ||||
| 	} | ||||
|  | ||||
| 	// balance the list of nodes | ||||
| 	next, err := callOpts.Selector.Select(routes) | ||||
| 	if err != nil { | ||||
| 		return err | ||||
| 	} | ||||
| 	var next selector.Next | ||||
|  | ||||
| 	// return errors.New("go.micro.client", "request timeout", 408) | ||||
| 	call := func(i int) error { | ||||
| @@ -412,6 +402,22 @@ func (h *httpClient) Call(ctx context.Context, req client.Request, rsp interface | ||||
| 			time.Sleep(t) | ||||
| 		} | ||||
|  | ||||
| 		if next == nil { | ||||
| 			var routes []string | ||||
| 			// lookup the route to send the reques to | ||||
| 			// TODO apply any filtering here | ||||
| 			routes, err = h.opts.Lookup(ctx, req, callOpts) | ||||
| 			if err != nil { | ||||
| 				return errors.InternalServerError("go.micro.client", err.Error()) | ||||
| 			} | ||||
|  | ||||
| 			// balance the list of nodes | ||||
| 			next, err = callOpts.Selector.Select(routes) | ||||
| 			if err != nil { | ||||
| 				return err | ||||
| 			} | ||||
| 		} | ||||
|  | ||||
| 		node := next() | ||||
|  | ||||
| 		// make the call | ||||
| @@ -463,6 +469,8 @@ func (h *httpClient) Call(ctx context.Context, req client.Request, rsp interface | ||||
| } | ||||
|  | ||||
| func (h *httpClient) Stream(ctx context.Context, req client.Request, opts ...client.CallOption) (client.Stream, error) { | ||||
| 	var err error | ||||
|  | ||||
| 	// make a copy of call opts | ||||
| 	callOpts := h.opts.CallOptions | ||||
| 	for _, o := range opts { | ||||
| @@ -514,18 +522,7 @@ func (h *httpClient) Stream(ctx context.Context, req client.Request, opts ...cli | ||||
| 		callOpts.Address = []string{h.opts.Proxy} | ||||
| 	} | ||||
|  | ||||
| 	// lookup the route to send the reques to | ||||
| 	// TODO apply any filtering here | ||||
| 	routes, err := h.opts.Lookup(ctx, req, callOpts) | ||||
| 	if err != nil { | ||||
| 		return nil, errors.InternalServerError("go.micro.client", err.Error()) | ||||
| 	} | ||||
|  | ||||
| 	// balance the list of nodes | ||||
| 	next, err := callOpts.Selector.Select(routes) | ||||
| 	if err != nil { | ||||
| 		return nil, err | ||||
| 	} | ||||
| 	var next selector.Next | ||||
|  | ||||
| 	call := func(i int) (client.Stream, error) { | ||||
| 		// call backoff first. Someone may want an initial start delay | ||||
| @@ -539,6 +536,22 @@ func (h *httpClient) Stream(ctx context.Context, req client.Request, opts ...cli | ||||
| 			time.Sleep(t) | ||||
| 		} | ||||
|  | ||||
| 		if next == nil { | ||||
| 			var routes []string | ||||
| 			// lookup the route to send the reques to | ||||
| 			// TODO apply any filtering here | ||||
| 			routes, err = h.opts.Lookup(ctx, req, callOpts) | ||||
| 			if err != nil { | ||||
| 				return nil, errors.InternalServerError("go.micro.client", err.Error()) | ||||
| 			} | ||||
|  | ||||
| 			// balance the list of nodes | ||||
| 			next, err = callOpts.Selector.Select(routes) | ||||
| 			if err != nil { | ||||
| 				return nil, err | ||||
| 			} | ||||
| 		} | ||||
|  | ||||
| 		node := next() | ||||
|  | ||||
| 		stream, cerr := h.stream(ctx, node, req, callOpts) | ||||
|   | ||||
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