func main() { curl.GlobalInit(curl.GLOBAL_DEFAULT) defer curl.GlobalCleanup() easy := curl.EasyInit() defer easy.Cleanup() easy.Setopt(curl.OPT_URL, "ftp://ftp.gnu.org/README") // define our callback use lambda function easy.Setopt(curl.OPT_WRITEFUNCTION, func(ptr []byte, userdata interface{}) bool { file := userdata.(*os.File) if _, err := file.Write(ptr); err != nil { return false } return true }) fp, _ := os.OpenFile(filename, os.O_WRONLY|os.O_APPEND|os.O_CREATE, 0777) defer fp.Close() // defer close easy.Setopt(curl.OPT_WRITEDATA, fp) easy.Setopt(curl.OPT_VERBOSE, true) if err := easy.Perform(); err != nil { println("ERROR", err.Error()) } }
func main() { curl.GlobalInit(curl.GLOBAL_ALL) // init the curl session easy := curl.EasyInit() defer easy.Cleanup() // set URL to get easy.Setopt(curl.OPT_URL, "http://cn.bing.com/") // no progress meter easy.Setopt(curl.OPT_NOPROGRESS, true) easy.Setopt(curl.OPT_WRITEFUNCTION, write_data) // write file fp, _ := os.OpenFile(bodyfilename, os.O_WRONLY|os.O_APPEND|os.O_CREATE, 0777) defer fp.Close() easy.Setopt(curl.OPT_WRITEDATA, fp) // easy.Setopt(curl.OPT_WRITEHEADER, 0) if err := easy.Perform(); err != nil { println("ERROR: ", err.Error()) } }
func main() { curl.GlobalInit(curl.GLOBAL_ALL) // init the curl session easy := curl.EasyInit() defer easy.Cleanup() easy.Setopt(curl.OPT_URL, "http://cn.bing.com/") easy.Setopt(curl.OPT_WRITEFUNCTION, write_data) // make a chan ch := make(chan string, 100) go func(ch chan string) { for { data := <-ch println("Got data size=", len(data)) } }(ch) easy.Setopt(curl.OPT_WRITEDATA, ch) if err := easy.Perform(); err != nil { println("ERROR: ", err.Error()) } time.Sleep(10000) // wait gorotine }
func main() { curl.GlobalInit(curl.GLOBAL_ALL) // init the curl session easy := curl.EasyInit() defer easy.Cleanup() easy.Setopt(curl.OPT_URL, "http://curl.haxx.se/download/curl-7.22.0.tar.gz") easy.Setopt(curl.OPT_WRITEFUNCTION, write_data) easy.Setopt(curl.OPT_NOPROGRESS, false) started := int64(0) easy.Setopt(curl.OPT_PROGRESSFUNCTION, func(dltotal, dlnow, ultotal, ulnow float64, userdata interface{}) bool { // canceled when 50% finished if dlnow/dltotal > 0.5 { println("") // abort downloading return false } if started == 0 { started = time.Now().Unix() } fmt.Printf("Downloaded: %3.2f%%, Speed: %.1fKiB/s \r", dlnow/dltotal*100, dlnow/1000/float64((time.Now().Unix()-started))) return true }) if err := easy.Perform(); err != nil { fmt.Printf("ERROR: %v\n", err) } }
func main() { println("DEBUG chdir=>", os.Chdir("/sadf")) ret := curl.EasyInit() defer ret.Cleanup() print("init =>", ret, " ", reflect.TypeOf(ret).String(), endl) ret = ret.Duphandle() defer ret.Cleanup() print("dup =>", ret, " ", reflect.TypeOf(ret).String(), endl) print("global init =>", curl.GlobalInit(curl.GLOBAL_ALL), endl) print("version =>", curl.Version(), endl) // debug //print("set verbose =>", ret.Setopt(curl.OPT_VERBOSE, true), endl) //print("set header =>", ret.Setopt(curl.OPT_HEADER, true), endl) // auto calculate port // print("set port =>", ret.EasySetopt(curl.OPT_PORT, 6060), endl) fmt.Printf("XXXX debug setopt %#v \n", ret.Setopt(30000, 19).Error()) print("set timeout =>", ret.Setopt(curl.OPT_TIMEOUT, 20), endl) //print("set post size =>", ret.Setopt(curl.OPT_POSTFIELDSIZE, 10), endl) if ret.Setopt(curl.OPT_URL, "http://www.baidu.com:8000/") != nil { println("set url ok!") } //print("set url =>", ret.Setopt(curl.OPT_URL, "http://commondatastorage.googleapis.com/chromium-browser-continuous/Linux_x64/104547/chrome-linux.zip"), endl) print("set user_agent =>", ret.Setopt(curl.OPT_USERAGENT, "go-curl v0.0.1") == nil, endl) // add to DNS cache print("set resolve =>", ret.Setopt(curl.OPT_RESOLVE, []string{"www.baidu.com:8000:127.0.0.1"}) == nil, endl) // ret.EasyReset() clean seted // currently not finished! // fooTest := func(buf []byte, userdata interface{}) bool { // buf := ptr.([]byte) println("size=>", len(buf)) println("DEBUG(in callback)", buf, userdata) println("data = >", string(buf)) return true } ret.Setopt(curl.OPT_WRITEFUNCTION, fooTest) // curl.CallbackWriteFunction(fooTest)) println("set opt!") // for test only code := ret.Perform() // dump.Dump(code) fmt.Printf("code -> %v\n", code) println("================================") print("pause =>", ret.Pause(curl.PAUSE_ALL), endl) print("escape =>", ret.Escape("http://baidu.com/"), endl) print("unescape =>", ret.Unescape("http://baidu.com/-%00-%5c"), endl) print("unescape lenght =>", len(ret.Unescape("http://baidu.com/-%00-%5c")), endl) // print("version info data =>", curl.VersionInfo(1), endl) ver := curl.VersionInfo(curl.VERSION_NOW) fmt.Printf("VersionInfo: Age: %d, Version:%s, Host:%s, Features:%d, SslVer: %s, LibzV: %s, ssh: %s\n", ver.Age, ver.Version, ver.Host, ver.Features, ver.SslVersion, ver.LibzVersion, ver.LibsshVersion) print("Protocols:") for _, p := range ver.Protocols { print(p, ", ") } print(endl) println(curl.Getdate("20111002 15:05:58 +0800").String()) ret.Getinfo(curl.INFO_EFFECTIVE_URL) ret.Getinfo(curl.INFO_RESPONSE_CODE) ret.Getinfo(curl.INFO_FILETIME) ret.Getinfo(curl.INFO_SSL_ENGINES) ret.Getinfo(curl.INFO_TOTAL_TIME) println("================================") // ret.Getinfo(curl.INFO_SSL_ENGINES) /* mret := curl.MultiInit() mret.AddHandle(ret) // works defer mret.Cleanup() if ok, handles := mret.Perform(); ok == curl.OK { fmt.Printf("ok=%s, handles=%d\n", ok, handles) } else { fmt.Printf("error calling multi\n") } */ println("================================") //println(curl.GlobalInit(curl.GLOBAL_SSL)) }