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85 lines
2.7 KiB
Go
85 lines
2.7 KiB
Go
// Copyright GoFrame Author(https://goframe.org). All Rights Reserved.
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//
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// This Source Code Form is subject to the terms of the MIT License.
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// If a copy of the MIT was not distributed with this file,
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// You can obtain one at https://github.com/gogf/gf.
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package g
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import (
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"context"
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"github.com/gogf/gf/v2/container/gvar"
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"github.com/gogf/gf/v2/internal/empty"
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"github.com/gogf/gf/v2/net/ghttp"
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"github.com/gogf/gf/v2/os/gproc"
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"github.com/gogf/gf/v2/util/gutil"
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)
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// NewVar returns a gvar.Var.
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func NewVar(i interface{}, safe ...bool) *Var {
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return gvar.New(i, safe...)
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}
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// Wait is an alias of ghttp.Wait, which blocks until all the web servers shutdown.
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// It's commonly used in multiple servers' situation.
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func Wait() {
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ghttp.Wait()
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}
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// Listen is an alias of gproc.Listen, which handles the signals received and automatically
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// calls registered signal handler functions.
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// It blocks until shutdown signals received and all registered shutdown handlers done.
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func Listen() {
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gproc.Listen()
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}
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// Dump dumps a variable to stdout with more manually readable.
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func Dump(values ...interface{}) {
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gutil.Dump(values...)
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}
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// DumpWithType acts like Dump, but with type information.
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// Also see Dump.
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func DumpWithType(values ...interface{}) {
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gutil.DumpWithType(values...)
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}
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// Throw throws an exception, which can be caught by TryCatch function.
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func Throw(exception interface{}) {
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gutil.Throw(exception)
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}
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// Try implements try... logistics using internal panic...recover.
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// It returns error if any exception occurs, or else it returns nil.
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func Try(try func()) (err error) {
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return gutil.Try(try)
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}
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// TryCatch implements try...catch... logistics using internal panic...recover.
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// It automatically calls function `catch` if any exception occurs ans passes the exception as an error.
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func TryCatch(try func(), catch ...func(exception error)) {
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gutil.TryCatch(try, catch...)
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}
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// IsNil checks whether given `value` is nil.
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// Parameter `traceSource` is used for tracing to the source variable if given `value` is type
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// of pinter that also points to a pointer. It returns nil if the source is nil when `traceSource`
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// is true.
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// Note that it might use reflect feature which affects performance a little.
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func IsNil(value interface{}, traceSource ...bool) bool {
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return empty.IsNil(value, traceSource...)
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}
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// IsEmpty checks whether given `value` empty.
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// It returns true if `value` is in: 0, nil, false, "", len(slice/map/chan) == 0.
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// Or else it returns true.
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func IsEmpty(value interface{}) bool {
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return empty.IsEmpty(value)
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}
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// RequestFromCtx retrieves and returns the Request object from context.
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func RequestFromCtx(ctx context.Context) *ghttp.Request {
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return ghttp.RequestFromCtx(ctx)
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}
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