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// Copyright 2011 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package main
import (
"bytes"
"encoding/base64"
"encoding/binary"
"fmt"
"http"
"json"
"log"
"os"
"regexp"
"strconv"
)
// getHighWater returns the current highwater revision hash for this builder
func (b *Builder) getHighWater() (rev string, err os.Error) {
url := fmt.Sprintf("http://%s/hw-get?builder=%s", *dashboard, b.name)
r, _, err := http.Get(url)
if err != nil {
return
}
buf := new(bytes.Buffer)
_, err = buf.ReadFrom(r.Body)
if err != nil {
return
}
r.Body.Close()
return buf.String(), nil
}
// recordResult sends build results to the dashboard
func (b *Builder) recordResult(buildLog string, c Commit) os.Error {
return httpCommand("build", map[string]string{
"builder": b.name,
"key": b.key,
"node": c.node,
"parent": c.parent,
"user": c.user,
"date": c.date,
"desc": c.desc,
"log": buildLog,
})
}
// match lines like: "package.BechmarkFunc 100000 999 ns/op"
var benchmarkRegexp = regexp.MustCompile("([^\n\t ]+)[\t ]+([0-9]+)[\t ]+([0-9]+) ns/op")
// recordBenchmarks sends benchmark results to the dashboard
func (b *Builder) recordBenchmarks(benchLog string, c Commit) os.Error {
results := benchmarkRegexp.FindAllStringSubmatch(benchLog, -1)
var buf bytes.Buffer
b64 := base64.NewEncoder(base64.StdEncoding, &buf)
for _, r := range results {
for _, s := range r[1:] {
binary.Write(b64, binary.BigEndian, uint16(len(s)))
b64.Write([]byte(s))
}
}
b64.Close()
return httpCommand("benchmarks", map[string]string{
"builder": b.name,
"key": b.key,
"node": c.node,
"benchmarkdata": buf.String(),
})
}
// getPackages fetches a list of package paths from the dashboard
func getPackages() (pkgs []string, err os.Error) {
r, _, err := http.Get(fmt.Sprintf("http://%v/package?fmt=json", *dashboard))
if err != nil {
return
}
defer r.Body.Close()
d := json.NewDecoder(r.Body)
var resp struct {
Packages []struct {
Path string
}
}
if err = d.Decode(&resp); err != nil {
return
}
for _, p := range resp.Packages {
pkgs = append(pkgs, p.Path)
}
return
}
// updatePackage sends package build results and info to the dashboard
func (b *Builder) updatePackage(pkg string, state bool, buildLog, info string, c Commit) os.Error {
args := map[string]string{
"builder": b.name,
"key": b.key,
"path": pkg,
"state": strconv.Btoa(state),
"log": buildLog,
"info": info,
"go_rev": strconv.Itoa(c.num),
}
return httpCommand("package", args)
}
func httpCommand(cmd string, args map[string]string) os.Error {
if *verbose {
log.Println("httpCommand", cmd, args)
}
url := fmt.Sprintf("http://%v/%v", *dashboard, cmd)
_, err := http.PostForm(url, args)
return err
}
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