דוגמאות קודים לתוספים

#include "proxy_wasm_intrinsics.h"

class MyHttpContext : public Context {
 public:
  explicit MyHttpContext(uint32_t id, RootContext* root) : Context(id, root) {}

  FilterHeadersStatus onRequestHeaders(uint32_t headers,
                                       bool end_of_stream) override {
    // Always be a friendly proxy.
    addRequestHeader("Message", "hello");
    replaceRequestHeader("Welcome", "warm");
    return FilterHeadersStatus::Continue;
  }
};

static RegisterContextFactory register_StaticContext(
    CONTEXT_FACTORY(MyHttpContext), ROOT_FACTORY(RootContext));

package main

import (
	"fmt"

	"github.com/proxy-wasm/proxy-wasm-go-sdk/proxywasm"
	"github.com/proxy-wasm/proxy-wasm-go-sdk/proxywasm/types"
)

func main() {}
func init() {
	proxywasm.SetVMContext(&vmContext{})
}

type vmContext struct {
	types.DefaultVMContext
}

type pluginContext struct {
	types.DefaultPluginContext
}

type httpContext struct {
	types.DefaultHttpContext
}

func (vc *vmContext) NewPluginContext(contextID uint32) types.PluginContext {
	return &pluginContext{}
}

func (pc *pluginContext) NewHttpContext(contextID uint32) types.HttpContext {
	return &httpContext{}
}

func (ctx *httpContext) OnHttpRequestHeaders(numHeaders int, endOfStream bool) types.Action {
	defer func() {
		if err := recover(); err != nil {
			proxywasm.SendHttpResponse(500, [][2]string{}, []byte(fmt.Sprintf("%v", err)), 0)
		}
	}()

	// Add and replace headers.
	if err := proxywasm.