init

LICENSE

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+MIT License
+Copyright (c) 2017 Stephen McQuay
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of
+this software and associated documentation files (the "Software"), to deal in
+the Software without restriction, including without limitation the rights to
+use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
+of the Software, and to permit persons to whom the Software is furnished to do
+so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

Makefile

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+# from http://blog.jgc.org/2011/07/gnu-make-recursive-wildcard-function.html
+rwildcard=$(foreach d,$(wildcard $1*),$(call rwildcard,$d/,$2) $(filter $(subst *,%,$2),$d))
+
+default: ${GOPATH}/bin/hwtd ${GOPATH}/bin/hwtc
+	
+${GOPATH}/bin/hwtd: $(call rwildcard,,*.go)
+	go install -v mcquay.me/hwt/cmd/hwtd
+
+${GOPATH}/bin/hwtc: $(call rwildcard,,*.go)
+	go install -v mcquay.me/hwt/cmd/hwtc
+
+service.twirp.go: service.proto
+	protoc --proto_path=${GOPATH}/src:. --twirp_out=. --go_out=. ./service.proto
+
+service.pb.go: service.proto
+	protoc --proto_path=${GOPATH}/src:. --twirp_out=. --go_out=. ./service.proto

README.md

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+# hwt
+
+Hello World [twirp](https://github.com/twitchtv/twirp) project.

cmd/hwtc/main.go

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+package main
+
+import (
+	"context"
+	"fmt"
+	"net/http"
+	"os"
+	"strings"
+
+	"mcquay.me/hwt"
+)
+
+const usage = "hwtc [subject]"
+
+func main() {
+	if len(os.Args) < 2 {
+		fmt.Fprintf(os.Stderr, "%v\n", usage)
+		os.Exit(1)
+	}
+
+	c := hwt.NewHelloWorldProtobufClient("http://localhost:8080", &http.Client{})
+
+	resp, err := c.Hello(context.Background(), &hwt.HelloReq{Subject: strings.Join(os.Args[1:], " ")})
+	if err != nil {
+		fmt.Fprintf(os.Stderr, "hello: %v\n", err)
+		os.Exit(1)
+	}
+	fmt.Printf("%v\n", resp)
+}

cmd/hwtd/main.go

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+package main
+
+import (
+	"log"
+	"net/http"
+
+	"mcquay.me/hwt"
+)
+
+func main() {
+	s := &hwt.Server{}
+	th := hwt.NewHelloWorldServer(s, nil)
+	if err := http.ListenAndServe(":8080", th); err != nil {
+		log.Fatalf("listen and serve: %v", err)
+	}
+}

hwt.go

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+package hwt
+
+import (
+	"context"
+	fmt "fmt"
+)
+
+type Server struct{}
+
+func (s *Server) Hello(ctx context.Context, req *HelloReq) (*HelloResp, error) {
+	return &HelloResp{Text: fmt.Sprintf("echo: %v", req.Subject)}, nil
+}

service.proto

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+syntax = "proto3";
+
+package me.mcquay.hwt;
+
+option go_package = "hwt";
+
+service HelloWorld {
+  rpc Hello(HelloReq) returns (HelloResp);
+}
+
+message HelloReq {
+  string subject = 1;
+}
+
+message HelloResp {
+  string text = 1;
+}