本文整理匯總了Golang中github.com/MG-RAST/Shock/shock-client/lib.Node.Download方法的典型用法代碼示例。如果您正苦於以下問題：Golang Node.Download方法的具體用法？Golang Node.Download怎麽用？Golang Node.Download使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類github.com/MG-RAST/Shock/shock-client/lib.Node的用法示例。
在下文中一共展示了Node.Download方法的3個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Golang代碼示例。
示例1: downloadChunk
func downloadChunk(n lib.Node, opts lib.Opts, filename string, offset int64, c chan int) {
oh, err := os.OpenFile(filename, os.O_RDWR, 0644)
if err != nil {
fmt.Printf("Error open output file %s: %s\n", filename, err.Error())
}
defer oh.Close()
_, err = oh.Seek(offset, os.SEEK_SET)
if err != nil {
fmt.Printf("Error seek output file %s: %s\n", filename, err.Error())
}
if ih, err := n.Download(opts); err != nil {
fmt.Printf("Error downloading %s: %s\n", n.Id, err.Error())
} else {
if s, err := io.Copy(oh, ih); err != nil {
fmt.Printf("Error writing output: %s\n", err.Error())
} else {
fmt.Printf("Success. Wrote %d bytes\n", s)
}
}
c <- 1
}示例2: main
//.........這裏部分代碼省略.........
case "pcreate":
pcreate(args)
case "get":
if len(args) != 1 {
helpf("get requires <id>")
}
n := lib.Node{Id: args[0]}
if err := n.Get(); err != nil {
fmt.Printf("Error retrieving %s: %s\n", n.Id, err.Error())
} else {
n.PP()
}
case "download":
if len(args) < 1 {
helpf("download requires <id>")
}
index := conf.Flags["index"]
parts := conf.Flags["parts"]
indexOptions := conf.Flags["index_options"]
opts := lib.Opts{}
if ne(index) || ne(parts) || ne(indexOptions) {
if ne(index) && ne(parts) {
opts["index"] = (*index)
opts["parts"] = (*parts)
if ne(indexOptions) {
opts["index_options"] = (*indexOptions)
}
} else {
helpf("index and parts options must be used together")
}
}
n := lib.Node{Id: args[0]}
if ih, err := n.Download(opts); err != nil {
fmt.Printf("Error downloading %s: %s\n", n.Id, err.Error())
} else {
if len(args) == 3 {
if oh, err := os.Create(args[1]); err == nil {
if s, err := io.Copy(oh, ih); err != nil {
handleString(fmt.Sprintf("Error writing output: %s\n", err.Error()))
} else {
fmt.Printf("Success. Wrote %d bytes\n", s)
}
} else {
handleString(fmt.Sprintf("Error writing output: %s\n", err.Error()))
}
} else {
io.Copy(os.Stdout, ih)
}
}
case "pdownload":
if len(args) < 1 {
helpf("pdownload requires <id>")
}
n := lib.Node{Id: args[0]}
if err := n.Get(); err != nil {
handleString(fmt.Sprintf("Error retrieving %s: %s\n", n.Id, err.Error()))
}
totalChunk := int(n.File.Size / conf.CHUNK_SIZE)
m := n.File.Size % conf.CHUNK_SIZE
if m != 0 {
totalChunk += 1
}
if totalChunk < 1 {
totalChunk = 1示例3: main
func main() {
args := flag.Args()
if *conf.Examples {
helpf("Coming soon.")
}
if len(args) == 0 {
helpf("")
}
switch args[0] {
case "create", "update":
n := lib.Node{}
if args[0] == "update" {
if len(args) != 2 {
helpf("update requires <id>")
} else {
n.Id = args[1]
}
}
opts := lib.Opts{}
if ne(conf.Flags["attributes"]) {
opts["attributes"] = (*conf.Flags["attributes"])
}
if t, err := fileOptions(conf.Flags); err != nil {
helpf(err.Error())
} else {
if t == "part" {
if args[0] == "create" {
helpf("part option only usable with update")
}
if !ne(conf.Flags["file"]) {
helpf("part option requires file")
}
opts["upload_type"] = t
opts["part"] = (*conf.Flags["part"])
opts["file"] = (*conf.Flags["file"])
if err := n.Update(opts); err != nil {
fmt.Printf("Error updating %s: %s\n", n.Id, err.Error())
} else {
n.PP()
}
} else {
if t != "" {
opts["upload_type"] = t
opts[t] = (*conf.Flags[t])
if args[0] == "create" {
if err := n.Create(opts); err != nil {
fmt.Printf("Error creating node: %s\n", err.Error())
} else {
n.PP()
}
} else {
if err := n.Update(opts); err != nil {
fmt.Printf("Error updating %s: %s\n", n.Id, err.Error())
} else {
n.PP()
}
}
} else {
if err := n.Create(opts); err != nil {
fmt.Printf("Error creating node: %s\n", err.Error())
} else {
n.PP()
}
}
}
}
case "get":
if len(args) != 2 {
helpf("get requires <id>")
}
n := lib.Node{Id: args[1]}
if err := n.Get(); err != nil {
fmt.Printf("Error retrieving %s: %s\n", n.Id, err.Error())
} else {
n.PP()
}
case "download":
if len(args) < 2 {
helpf("download requires <id>")
}
index := conf.Flags["index"]
parts := conf.Flags["parts"]
indexOptions := conf.Flags["index_options"]
opts := lib.Opts{}
if ne(index) || ne(parts) || ne(indexOptions) {
if ne(index) && ne(parts) {
opts["index"] = (*index)
opts["parts"] = (*parts)
if ne(indexOptions) {
opts["index_options"] = (*indexOptions)
}
} else {
helpf("index and parts options must be used together")
}
}
n := lib.Node{Id: args[1]}
if ih, err := n.Download(opts); err != nil {
fmt.Printf("Error downloading %s: %s\n", n.Id, err.Error())
} else {
//.........這裏部分代碼省略.........