7946569327

Committed 18 Feb 2024 04:25AM UTC coverage: 85.671% (-0.07%) from 85.74%

Build # 7946569327

Build Type

push

github

Committed by

andot

Commit Message

rename StructType & ListType

Run Details

4 of 4 new or added lines in 3 files covered. (100.0%)

22 existing lines in 5 files now uncovered.

9997 of 11669 relevant lines covered (85.67%)

208281.62 hits per line

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87.65

/rpc/socket/handler.go

/*--------------------------------------------------------*\
|                                                          |
|                          hprose                          |
|                                                          |
| Official WebSite: https://hprose.com                     |
|                                                          |
| rpc/socket/handler.go                                    |
|                                                          |
| LastModified: Nov 22, 2022                               |
| Author: Ma Bingyao <andot@hprose.com>                    |
|                                                          |
\*________________________________________________________*/

package socket

import (
        "context"
        "crypto/tls"
        "io"
        "math"
        "net"
        "reflect"
        "time"

        "github.com/hprose/hprose-golang/v3/internal/convert"
        "github.com/hprose/hprose-golang/v3/rpc/core"
)

type Handler struct {
        Service  *core.Service
        Pool     core.WorkerPool
        OnAccept func(net.Conn) net.Conn
        OnClose  func(net.Conn)
        OnError  func(net.Conn, error)
}

// BindContext to the http server.
func (h *Handler) BindContext(ctx context.Context, server core.Server) {
        go h.bind(ctx, server.(net.Listener))
}

func (h *Handler) bind(ctx context.Context, listener net.Listener) {
        ctx, cancel := context.WithCancel(ctx)
        defer cancel()
        var tempDelay time.Duration // how long to sleep on accept failure
        for {
                conn, err := listener.Accept()
                if err != nil {
                        tempDelay = nextTempDelay(err, h.onError, tempDelay)
                        if tempDelay > 0 {
                                continue
                        }
                        return
                }
                tempDelay = 0
                go h.Serve(ctx, conn)
        }
}

func (h *Handler) onAccept(conn net.Conn) net.Conn {
        if h.OnAccept != nil {
                return h.OnAccept(conn)
        }
        return conn
}

func (h *Handler) onClose(conn net.Conn) {
        if h.OnClose != nil {
                h.OnClose(conn)
        }
}

func (h *Handler) onError(conn net.Conn, err error) {
        if h.OnError != nil {
                h.OnError(conn, err)
        }
}

func (h *Handler) reportError(ctx context.Context, errChan chan error, err error) {
        select {
        case <-ctx.Done():
        case errChan <- err:
        default:
        }
}

func (h *Handler) sendResponse(ctx context.Context, queue chan data, index int, body []byte, err error) {
        select {
        case <-ctx.Done():
        case queue <- data{
                Index: index,
                Body:  body,
                Error: err,
        }:
        }
}

func (h *Handler) getServiceContext(conn net.Conn) *core.ServiceContext {
        serviceContext := core.NewServiceContext(h.Service)
        serviceContext.Items().Set("conn", conn)
        serviceContext.LocalAddr = conn.LocalAddr()
        serviceContext.RemoteAddr = conn.RemoteAddr()
        serviceContext.Handler = h
        return serviceContext
}

func (h *Handler) run(ctx context.Context, queue chan data, index int, body []byte) {
        var err error
        defer func() {
                if e := recover(); e != nil {
                        err = core.NewPanicError(e)
                }
                h.sendResponse(ctx, queue, index, body, err)
        }()
        body, err = h.Service.Handle(ctx, body)
}

func (h *Handler) task(ctx context.Context, queue chan data, index int, body []byte) func() {
        return func() {
                h.run(ctx, queue, index, body)
        }
}

func (h *Handler) catch(ctx context.Context, errChan chan error) {
        if e := recover(); e != nil {
                h.reportError(ctx, errChan, core.NewPanicError(e))
        }
}

func (h *Handler) receive(ctx context.Context, conn net.Conn, queue chan data, errChan chan error) {
        defer h.catch(ctx, errChan)
        var header [12]byte
        for {
                select {
                case <-ctx.Done():
                        return
                default:
                        if _, err := io.ReadAtLeast(conn, header[:], 12); err != nil {
                                h.reportError(ctx, errChan, err)
                                return
                        }
                        length, index, ok := parseHeader(header)
                        if length == 0 && index == -1 && !ok {
                                h.reportError(ctx, errChan, core.InvalidRequestError{})
                                return
                        }
                        if length > h.Service.MaxRequestLength {
                                h.sendResponse(ctx, queue, index, nil, core.ErrRequestEntityTooLarge)
                                return
                        }
                        body := make([]byte, length)
                        if _, err := io.ReadAtLeast(conn, body, length); err != nil {
                                h.reportError(ctx, errChan, err)
                                return
                        }
                        if h.Pool != nil {
                                h.Pool.Submit(h.task(core.WithContext(ctx, h.getServiceContext(conn)), queue, index, body))
                        } else {
                                go h.run(core.WithContext(ctx, h.getServiceContext(conn)), queue, index, body)
                        }
                }
        }
}

func (h *Handler) send(ctx context.Context, conn net.Conn, queue chan data, errChan chan error) {
        defer h.catch(ctx, errChan)
        for {
                select {
                case <-ctx.Done():
                        return
                case response := <-queue:
                        index, body, e := response.Index, response.Body, response.Error
                        if e != nil {
                                index |= math.MinInt32
                                if e == core.ErrRequestEntityTooLarge {
                                        body = convert.ToUnsafeBytes(core.RequestEntityTooLarge)
                                } else {
                                        body = convert.ToUnsafeBytes(e.Error())
                                }
                        }
                        header := makeHeader(len(body), index)
                        _, err := conn.Write(header[:])
                        if err == nil {
                                _, err = conn.Write(body)
                        }
                        if err != nil {
                                h.reportError(ctx, errChan, err)
                                return
                        }
                        if e != nil {
                                h.reportError(ctx, errChan, e)
                                return
                        }
                }
        }
}

func (h *Handler) Serve(ctx context.Context, conn net.Conn) {
        if conn = h.onAccept(conn); conn == nil {
                return
        }
        ctx, cancel := context.WithCancel(ctx)
        var err error
        defer func() {
                cancel()
                if e := recover(); e != nil {
                        err = core.NewPanicError(e)
                }
                if err != nil {
                        h.onError(conn, err)
                }
                h.onClose(conn)
                conn.Close()
        }()
        queue := make(chan data)
        errChan := make(chan error, 1)
        go h.receive(ctx, conn, queue, errChan)
        go h.send(ctx, conn, queue, errChan)
        select {
        case <-ctx.Done():
                err = ctx.Err()
        case err = <-errChan:
        }
}

type handlerFactory struct {
        serverTypes []reflect.Type
}

func (factory handlerFactory) ServerTypes() []reflect.Type {
        return factory.serverTypes
}

func (factory handlerFactory) New(service *core.Service) core.Handler {
        return &Handler{
                Service: service,
        }
}

func RegisterHandler() {
        core.RegisterHandler("socket", handlerFactory{
                []reflect.Type{
                        reflect.TypeOf((*net.TCPListener)(nil)),
                        reflect.TypeOf((*net.UnixListener)(nil)),
                        reflect.TypeOf(tls.NewListener(nil, nil)),
                },
        })
}

1	/--------------------------------------------------------\
2	\| \|
3	\| hprose \|
4	\| \|
5	\| Official WebSite: https://hprose.com \|
6	\| \|
7	\| rpc/socket/handler.go \|
8	\| \|
9	\| LastModified: Nov 22, 2022 \|
10	\| Author: Ma Bingyao <andot@hprose.com> \|
11	\| \|
12	\________________________________________________________/
13
14	package socket
15
16	import (
17	"context"
18	"crypto/tls"
19	"io"
20	"math"
21	"net"
22	"reflect"
23	"time"
24
25	"github.com/hprose/hprose-golang/v3/internal/convert"
26	"github.com/hprose/hprose-golang/v3/rpc/core"
27	)
28
29	type Handler struct {
30	Service *core.Service
31	Pool core.WorkerPool
32	OnAccept func(net.Conn) net.Conn
33	OnClose func(net.Conn)
34	OnError func(net.Conn, error)
35	}
36
37	// BindContext to the http server.
38	func (h *Handler) BindContext(ctx context.Context, server core.Server) {	729✔
39	go h.bind(ctx, server.(net.Listener))	729✔
40	}	729✔
41
42	func (h *Handler) bind(ctx context.Context, listener net.Listener) {	729✔
43	ctx, cancel := context.WithCancel(ctx)	729✔
44	defer cancel()	729✔
45	var tempDelay time.Duration // how long to sleep on accept failure	729✔
46	for {	3,113✔
47	conn, err := listener.Accept()	2,384✔
48	if err != nil {	3,113✔
49	tempDelay = nextTempDelay(err, h.onError, tempDelay)	729✔
50	if tempDelay > 0 {	729✔
51	continue	×
52	}
53	return	729✔
54	}
55	tempDelay = 0	1,655✔
56	go h.Serve(ctx, conn)	1,655✔
57	}
58	}
59
60	func (h *Handler) onAccept(conn net.Conn) net.Conn {	1,655✔
61	if h.OnAccept != nil {	1,673✔
62	return h.OnAccept(conn)	18✔
63	}	18✔
64	return conn	1,637✔
65	}
66
67	func (h *Handler) onClose(conn net.Conn) {	1,655✔
68	if h.OnClose != nil {	1,673✔
69	h.OnClose(conn)	18✔
70	}	18✔
71	}
72
73	func (h *Handler) onError(conn net.Conn, err error) {	1,655✔
74	if h.OnError != nil {	1,673✔
75	h.OnError(conn, err)	18✔
76	}	18✔
77	}
78
79	func (h *Handler) reportError(ctx context.Context, errChan chan error, err error) {	1,661✔
80	select {	1,661✔
81	case <-ctx.Done():	370✔
82	case errChan <- err:	1,291✔
83	default:	×
84	}
85	}
86
87	func (h *Handler) sendResponse(ctx context.Context, queue chan data, index int, body []byte, err error) {	21,452✔
88	select {	21,452✔
89	case <-ctx.Done():	259✔
90	case queue <- data{
91	Index: index,
92	Body: body,
93	Error: err,
94	}:	21,193✔
95	}
96	}
97
98	func (h Handler) getServiceContext(conn net.Conn) core.ServiceContext {	21,443✔
99	serviceContext := core.NewServiceContext(h.Service)	21,443✔
100	serviceContext.Items().Set("conn", conn)	21,443✔
101	serviceContext.LocalAddr = conn.LocalAddr()	21,443✔
102	serviceContext.RemoteAddr = conn.RemoteAddr()	21,443✔
103	serviceContext.Handler = h	21,443✔
104	return serviceContext	21,443✔
105	}	21,443✔
106
107	func (h *Handler) run(ctx context.Context, queue chan data, index int, body []byte) {	21,443✔
108	var err error	21,443✔
109	defer func() {	42,886✔
110	if e := recover(); e != nil {	21,443✔
111	err = core.NewPanicError(e)	×
112	}	×
113	h.sendResponse(ctx, queue, index, body, err)	21,443✔
114	}()
115	body, err = h.Service.Handle(ctx, body)	21,443✔
116	}
117
118	func (h *Handler) task(ctx context.Context, queue chan data, index int, body []byte) func() {	×
119	return func() {	×
120	h.run(ctx, queue, index, body)	×
121	}	×
122	}
123
124	func (h *Handler) catch(ctx context.Context, errChan chan error) {	3,310✔
125	if e := recover(); e != nil {	3,310✔
126	h.reportError(ctx, errChan, core.NewPanicError(e))	×
127	}	×
128	}
129
130	func (h *Handler) receive(ctx context.Context, conn net.Conn, queue chan data, errChan chan error) {	1,655✔
131	defer h.catch(ctx, errChan)	1,655✔
132	var header [12]byte	1,655✔
133	for {	24,753✔
134	select {	23,098✔
UNCOV 135	case <-ctx.Done():	1✔
UNCOV 136	return	1✔
137	default:	23,097✔
138	if _, err := io.ReadAtLeast(conn, header[:], 12); err != nil {	23,842✔
139	h.reportError(ctx, errChan, err)	745✔
140	return	745✔
141	}	745✔
142	length, index, ok := parseHeader(header)	22,352✔
143	if length == 0 && index == -1 && !ok {	23,252✔
144	h.reportError(ctx, errChan, core.InvalidRequestError{})	900✔
145	return	900✔
146	}	900✔
147	if length > h.Service.MaxRequestLength {	21,461✔
148	h.sendResponse(ctx, queue, index, nil, core.ErrRequestEntityTooLarge)	9✔
149	return	9✔
150	}	9✔
151	body := make([]byte, length)	21,443✔
152	if _, err := io.ReadAtLeast(conn, body, length); err != nil {	21,443✔
UNCOV 153	h.reportError(ctx, errChan, err)	×
UNCOV 154	return	×
UNCOV 155	}	×
156	if h.Pool != nil {	21,443✔
157	h.Pool.Submit(h.task(core.WithContext(ctx, h.getServiceContext(conn)), queue, index, body))	×
158	} else {	21,443✔
159	go h.run(core.WithContext(ctx, h.getServiceContext(conn)), queue, index, body)	21,443✔
160	}	21,443✔
161	}
162	}
163	}
164
165	func (h *Handler) send(ctx context.Context, conn net.Conn, queue chan data, errChan chan error) {	1,655✔
166	defer h.catch(ctx, errChan)	1,655✔
167	for {	24,487✔
168	select {	22,832✔
169	case <-ctx.Done():	1,639✔
170	return	1,639✔
171	case response := <-queue:	21,193✔
172	index, body, e := response.Index, response.Body, response.Error	21,193✔
173	if e != nil {	21,202✔
174	index \|= math.MinInt32	9✔
175	if e == core.ErrRequestEntityTooLarge {	18✔
176	body = convert.ToUnsafeBytes(core.RequestEntityTooLarge)	9✔
177	} else {	9✔
178	body = convert.ToUnsafeBytes(e.Error())	×
179	}	×
180	}
181	header := makeHeader(len(body), index)	21,193✔
182	_, err := conn.Write(header[:])	21,193✔
183	if err == nil {	42,383✔
184	_, err = conn.Write(body)	21,190✔
185	}	21,190✔
186	if err != nil {	21,200✔
187	h.reportError(ctx, errChan, err)	7✔
188	return	7✔
189	}	7✔
190	if e != nil {	21,195✔
191	h.reportError(ctx, errChan, e)	9✔
192	return	9✔
193	}	9✔
194	}
195	}
196	}
197
198	func (h *Handler) Serve(ctx context.Context, conn net.Conn) {	1,655✔
199	if conn = h.onAccept(conn); conn == nil {	1,655✔
200	return	×
201	}	×
202	ctx, cancel := context.WithCancel(ctx)	1,655✔
203	var err error	1,655✔
204	defer func() {	3,310✔
205	cancel()	1,655✔
206	if e := recover(); e != nil {	1,655✔
207	err = core.NewPanicError(e)	×
208	}	×
209	if err != nil {	3,310✔
210	h.onError(conn, err)	1,655✔
211	}	1,655✔
212	h.onClose(conn)	1,655✔
213	conn.Close()	1,655✔
214	}()
215	queue := make(chan data)	1,655✔
216	errChan := make(chan error, 1)	1,655✔
217	go h.receive(ctx, conn, queue, errChan)	1,655✔
218	go h.send(ctx, conn, queue, errChan)	1,655✔
219	select {	1,655✔
220	case <-ctx.Done():	737✔
221	err = ctx.Err()	737✔
222	case err = <-errChan:	918✔
223	}
224	}
225
226	type handlerFactory struct {
227	serverTypes []reflect.Type
228	}
229
230	func (factory handlerFactory) ServerTypes() []reflect.Type {	45✔
231	return factory.serverTypes	45✔
232	}	45✔
233
234	func (factory handlerFactory) New(service *core.Service) core.Handler {	1,026✔
235	return &Handler{	1,026✔
236	Service: service,	1,026✔
237	}	1,026✔
238	}	1,026✔
239
240	func RegisterHandler() {	45✔
241	core.RegisterHandler("socket", handlerFactory{	45✔
242	[]reflect.Type{	45✔
243	reflect.TypeOf((*net.TCPListener)(nil)),	45✔
244	reflect.TypeOf((*net.UnixListener)(nil)),	45✔
245	reflect.TypeOf(tls.NewListener(nil, nil)),	45✔
246	},	45✔
247	})	45✔
248	}	45✔

hprose / hprose-golang / 7946569327

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