appsrv

package
v0.3.10-0-alpha.2 Latest Latest
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 Go to latest Published: Dec 15, 2022 License: Apache-2.0 Imports: 43 Imported by: 116

Documentation

Index

Constants

View Source 
const (
	DEFAULT_BACKLOG             = 1024
	DEFAULT_IDLE_TIMEOUT        = 10 * time.Second
	DEFAULT_READ_TIMEOUT        = 0
	DEFAULT_READ_HEADER_TIMEOUT = 10 * time.Second
	DEFAULT_WRITE_TIMEOUT       = 0
	// set default process timeout to 60 seconds
	DEFAULT_PROCESS_TIMEOUT = 60 * time.Second
)
View Source 
const (
	ContentTypeJson    = TContentType("Json")
	ContentTypeForm    = TContentType("Form")
	ContentTypeUnknown = TContentType("Unknown")
)
View Source 
const (
	WORKER_STATE_ACTIVE = 0
	WORKER_STATE_DETACH = 1
)
View Source 
const (
	APP_CONTEXT_KEY_APP_PARAMS = appctx.AppContextKey("app_params")
)
View Source 
const (
	WATCHDOG_SLEEP_SECONDS = 30
)

Variables

This section is empty.

Functions

func AddPProfHandler 

func AddPProfHandler(prefix string, app *Application)

func AppContextCache 

func AppContextCache(ctx context.Context) *hashcache.Cache

func AppContextDB 

func AppContextDB(ctx context.Context) *sql.DB

func DisableClientCache 

func DisableClientCache(w http.ResponseWriter)

func Fetch 

func Fetch(req *http.Request) ([]byte, error)

func FetchEnv 

func FetchEnv(ctx context.Context, w http.ResponseWriter, r *http.Request) (params map[string]string, query jsonutils.JSONObject, body jsonutils.JSONObject)

func FetchJSON 

func FetchJSON(req *http.Request) (jsonutils.JSONObject, error)

func FetchStruct 

func FetchStruct(req *http.Request, v interface{}) error

func FetchXml 

func FetchXml(req *http.Request, target interface{}) error

func GetDBConnectionCount 

func GetDBConnectionCount() int

func PingHandler 

func PingHandler(ctx context.Context, w http.ResponseWriter, r *http.Request)

func ProcessStatsHandler 

func ProcessStatsHandler(ctx context.Context, w http.ResponseWriter, r *http.Request)

func Send 

func Send(w http.ResponseWriter, text string)

func SendHTML 

func SendHTML(w http.ResponseWriter, text string)

func SendHeader 

func SendHeader(w http.ResponseWriter, hdr http.Header)

func SendJSON 

func SendJSON(w http.ResponseWriter, obj jsonutils.JSONObject)

func SendNoContent 

func SendNoContent(w http.ResponseWriter)

func SendRedirect 

func SendRedirect(w http.ResponseWriter, redirectUrl string)

func SendStream 

func SendStream(w http.ResponseWriter, isPartial bool, hdr http.Header, stream io.ReadCloser, sizeBytes int64) error

func SendStruct 

func SendStruct(w http.ResponseWriter, obj interface{})

func SendXml 

func SendXml(w http.ResponseWriter, hdr http.Header, obj interface{})

func SendXmlWithIndent 

func SendXmlWithIndent(w http.ResponseWriter, hdr http.Header, obj interface{}, indent bool)

func SetExitFlag 

func SetExitFlag()

func SplitPath 

func SplitPath(path string) []string

func StatisticHandler 

func StatisticHandler(ctx context.Context, w http.ResponseWriter, r *http.Request)

func VersionHandler 

func VersionHandler(ctx context.Context, w http.ResponseWriter, r *http.Request)

func WorkerStatsHandler 

func WorkerStatsHandler(ctx context.Context, w http.ResponseWriter, r *http.Request)

Types

type Application 

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

func AppContextApp 

func AppContextApp(ctx context.Context) *Application

func NewApplication 

func NewApplication(name string, connMax int, db bool) *Application

func (*Application) AddDefaultHandler 

func (app *Application) AddDefaultHandler(method string, prefix string, handler func(context.Context, http.ResponseWriter, *http.Request), name string)

func (*Application) AddHandler 

func (app *Application) AddHandler(method string, prefix string,
	handler func(context.Context, http.ResponseWriter, *http.Request)) *SHandlerInfo

func (*Application) AddHandler2 

func (app *Application) AddHandler2(method string, prefix string,
	handler func(context.Context, http.ResponseWriter, *http.Request),
	metadata map[string]interface{}, name string, tags map[string]string) *SHandlerInfo

func (*Application) AddHandler3 

func (app *Application) AddHandler3(hi *SHandlerInfo) *SHandlerInfo

func (*Application) AddReverseProxyHandler 

func (app *Application) AddReverseProxyHandler(prefix string, ef *proxy.SEndpointFactory, m proxy.RequestManipulator)

func (*Application) AddReverseProxyHandlerWithCallbackConfig 

func (app *Application) AddReverseProxyHandlerWithCallbackConfig(prefix string, ef *proxy.SEndpointFactory, m proxy.RequestManipulator, confCb func(string, *SHandlerInfo) *SHandlerInfo)

func (*Application) CORSAllowAll 

func (app *Application) CORSAllowAll()

func (*Application) CORSAllowHosts 

func (app *Application) CORSAllowHosts(hosts []string)

func (*Application) EnableCORS 

func (app *Application) EnableCORS(options CorsOptions)

func (*Application) GetContext 

func (app *Application) GetContext() context.Context

func (*Application) GetName 

func (app *Application) GetName() string

func (*Application) ListenAndServe 

func (app *Application) ListenAndServe(addr string)

func (*Application) ListenAndServeTLS 

func (app *Application) ListenAndServeTLS(addr string, certFile, keyFile string)

func (*Application) ListenAndServeTLSWithCleanup 

func (app *Application) ListenAndServeTLSWithCleanup(addr string, certFile, keyFile string, onStop func())

func (*Application) ListenAndServeTLSWithCleanup2 

func (app *Application) ListenAndServeTLSWithCleanup2(addr string, certFile, keyFile string, onStop func(), isMaster bool)

func (*Application) ListenAndServeWithCleanup 

func (app *Application) ListenAndServeWithCleanup(addr string, onStop func())

func (*Application) ListenAndServeWithoutCleanup 

func (app *Application) ListenAndServeWithoutCleanup(addr, certFile, keyFile string)

func (*Application) RegisterMiddleware 

func (app *Application) RegisterMiddleware(f MiddlewareFunc)

func (*Application) ServeHTTP 

func (app *Application) ServeHTTP(w http.ResponseWriter, r *http.Request)

func (*Application) SetContext 

func (app *Application) SetContext(key appctx.AppContextKey, val interface{})

func (*Application) Stop 

func (app *Application) Stop(ctx context.Context) error

type Cors 

type Cors struct {
	// Debug logger
	Log *log.Logger
	// contains filtered or unexported fields
}

Cors http handler

func NewCors 

func NewCors(options CorsOptions) *Cors

New creates a new Cors handler with the provided options.

func (*Cors) Handler 

func (c *Cors) Handler(h http.Handler) http.Handler

Handler apply the CORS specification on the request, and add relevant CORS headers as necessary.

func (*Cors) HandlerFunc 

func (c *Cors) HandlerFunc(w http.ResponseWriter, r *http.Request)

HandlerFunc provides Martini compatible handler

func (*Cors) ServeHTTP 

func (c *Cors) ServeHTTP(w http.ResponseWriter, r *http.Request, next http.HandlerFunc)

Negroni compatible interface

type CorsOptions 

type CorsOptions struct {
	// AllowedOrigins is a list of origins a cross-domain request can be executed from.
	// If the special "*" value is present in the list, all origins will be allowed.
	// An origin may contain a wildcard (*) to replace 0 or more characters
	// (i.e.: http://*.domain.com). Usage of wildcards implies a small performance penalty.
	// Only one wildcard can be used per origin.
	// Default value is ["*"]
	AllowedOrigins []string
	// AllowOriginFunc is a custom function to validate the origin. It take the origin
	// as argument and returns true if allowed or false otherwise. If this option is
	// set, the content of AllowedOrigins is ignored.
	AllowOriginFunc func(origin string) bool
	// AllowedMethods is a list of methods the client is allowed to use with
	// cross-domain requests. Default value is simple methods (HEAD, GET and POST).
	AllowedMethods []string
	// AllowedHeaders is list of non simple headers the client is allowed to use with
	// cross-domain requests.
	// If the special "*" value is present in the list, all headers will be allowed.
	// Default value is [] but "Origin" is always appended to the list.
	AllowedHeaders []string
	// ExposedHeaders indicates which headers are safe to expose to the API of a CORS
	// API specification
	ExposedHeaders []string
	// AllowCredentials indicates whether the request can include user credentials like
	// cookies, HTTP authentication or client side SSL certificates.
	AllowCredentials bool
	// MaxAge indicates how long (in seconds) the results of a preflight request
	// can be cached
	MaxAge int
	// Debugging flag adds additional output to debug server side CORS issues
	Debug bool
}

Options is a configuration container to setup the CORS middleware.

type FilterHandler 

type FilterHandler func(ctx context.Context, w http.ResponseWriter, r *http.Request)

type IWorkerTask 

type IWorkerTask interface {
	Run()
	Dump() string
}

type MiddlewareFunc 

type MiddlewareFunc func(f func(context.Context, http.ResponseWriter, *http.Request)) func(context.Context, http.ResponseWriter, *http.Request)

type RadixNode 

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

func NewRadix 

func NewRadix() *RadixNode

func (*RadixNode) Add 

func (r *RadixNode) Add(segments []string, data interface{}) error

func (*RadixNode) Match 

func (r *RadixNode) Match(segments []string, params map[string]string) interface{}

func (*RadixNode) Walk 

func (r *RadixNode) Walk(f func(spath string, data interface{}))

type RegexpNode 

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

func NewRegexpNode 

func NewRegexpNode(node *RadixNode, regStr string) *RegexpNode

type Ring 

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

func NewRing 

func NewRing(size int) *Ring

func (*Ring) Capacity 

func (r *Ring) Capacity() int

func (*Ring) Pop 

func (r *Ring) Pop() interface{}

func (*Ring) Push 

func (r *Ring) Push(val interface{}) bool

func (*Ring) Size 

func (r *Ring) Size() int

type SAppParams 

type SAppParams struct {
	Name      string
	SkipLog   bool
	SkipTrace bool
	Params    map[string]string
	Path      []string

	Request  *http.Request
	Response http.ResponseWriter

	OverrideResponseBodyWrapper bool
}

func AppContextGetParams 

func AppContextGetParams(ctx context.Context) *SAppParams

type SHandlerInfo 

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

func NewHandlerInfo 

func NewHandlerInfo(method string, path []string, handler func(context.Context, http.ResponseWriter, *http.Request), metadata map[string]interface{}, name string, tags map[string]string) *SHandlerInfo

func (*SHandlerInfo) FetchProcessTimeout 

func (this *SHandlerInfo) FetchProcessTimeout(r *http.Request) time.Duration

func (*SHandlerInfo) GetAppParams 

func (hi *SHandlerInfo) GetAppParams(params map[string]string, path []string) *SAppParams

func (*SHandlerInfo) GetName 

func (this *SHandlerInfo) GetName(params map[string]string) string

func (*SHandlerInfo) GetTags 

func (this *SHandlerInfo) GetTags() map[string]string

func (*SHandlerInfo) SetHandler 

func (hi *SHandlerInfo) SetHandler(hand func(context.Context, http.ResponseWriter, *http.Request)) *SHandlerInfo

func (*SHandlerInfo) SetMetadata 

func (hi *SHandlerInfo) SetMetadata(meta map[string]interface{}) *SHandlerInfo

func (*SHandlerInfo) SetMethod 

func (hi *SHandlerInfo) SetMethod(method string) *SHandlerInfo

func (*SHandlerInfo) SetName 

func (hi *SHandlerInfo) SetName(name string) *SHandlerInfo

func (*SHandlerInfo) SetPath 

func (hi *SHandlerInfo) SetPath(path string) *SHandlerInfo

func (*SHandlerInfo) SetProcessNoTimeout 

func (hi *SHandlerInfo) SetProcessNoTimeout() *SHandlerInfo

func (*SHandlerInfo) SetProcessTimeout 

func (hi *SHandlerInfo) SetProcessTimeout(to time.Duration) *SHandlerInfo

func (*SHandlerInfo) SetProcessTimeoutCallback 

func (this *SHandlerInfo) SetProcessTimeoutCallback(callback TProcessTimeoutCallback)

func (*SHandlerInfo) SetSkipLog 

func (hi *SHandlerInfo) SetSkipLog(skip bool) *SHandlerInfo

func (*SHandlerInfo) SetTags 

func (hi *SHandlerInfo) SetTags(tags map[string]string) *SHandlerInfo

func (*SHandlerInfo) SetWorkerManager 

func (hi *SHandlerInfo) SetWorkerManager(workerMan *SWorkerManager) *SHandlerInfo

type SWorker 

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

func (*SWorker) Detach 

func (worker *SWorker) Detach(reason string)

func (*SWorker) StateStr 

func (worker *SWorker) StateStr() string

func (*SWorker) String 

func (worker *SWorker) String() string

type SWorkerList 

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

type SWorkerManager 

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

func NewWorkerManager 

func NewWorkerManager(name string, workerCount int, backlog int, dbWorker bool) *SWorkerManager

func NewWorkerManagerIgnoreOverflow 

func NewWorkerManagerIgnoreOverflow(name string, workerCount int, backlog int, dbWorker bool, ignoreOverflow bool) *SWorkerManager

func (*SWorkerManager) ActiveWorkerCount 

func (wm *SWorkerManager) ActiveWorkerCount() int

func (*SWorkerManager) DetachedWorkerCount 

func (wm *SWorkerManager) DetachedWorkerCount() int

func (*SWorkerManager) Run 

func (wm *SWorkerManager) Run(task IWorkerTask, worker chan *SWorker, onErr func(error)) bool

func (*SWorkerManager) String 

func (wm *SWorkerManager) String() string

type SWorkerManagerStates 

type SWorkerManagerStates struct {
	Name            string
	Backlog         int
	QueueCnt        int
	MaxWorkerCnt    int
	ActiveWorkerCnt int
	DetachWorkerCnt int
	DbWorker        bool
	AllowOverflow   bool
}

func (SWorkerManagerStates) IsBusy 

func (s SWorkerManagerStates) IsBusy() bool

type TContentType 

type TContentType string

type TMiddleware 

type TMiddleware func(handler FilterHandler) FilterHandler

type TProcessTimeoutCallback 

type TProcessTimeoutCallback func(*SHandlerInfo, *http.Request) time.Duration

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