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Golang CIDR.HostRange方法代碼示例

本文整理匯總了Golang中github.com/weaveworks/weave/net/address.CIDR.HostRange方法的典型用法代碼示例。如果您正苦於以下問題：Golang CIDR.HostRange方法的具體用法？Golang CIDR.HostRange怎麽用？Golang CIDR.HostRange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/weaveworks/weave/net/address.CIDR的用法示例。


在下文中一共展示了CIDR.HostRange方法的5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: handleHTTPAllocate

func (alloc *Allocator) handleHTTPAllocate(dockerCli *docker.Client, w http.ResponseWriter, ident string, checkAlive bool, subnet address.CIDR) {
	closedChan := w.(http.CloseNotifier).CloseNotify()
	addr, err := alloc.Allocate(ident, subnet.HostRange(),
		func() bool {
			select {
			case <-closedChan:
				return true
			default:
				res := checkAlive && dockerCli != nil && dockerCli.IsContainerNotRunning(ident)
				checkAlive = false // we check only once; if the container dies later we learn about that through events
				return res
			}
		})
	if err != nil {
		if _, ok := err.(*errorCancelled); ok { // cancellation is not really an error
			common.Log.Infoln("[allocator]:", err.Error())
			fmt.Fprint(w, "cancelled")
			return
		}
		badRequest(w, err)
		return
	}

	fmt.Fprintf(w, "%s/%d", addr, subnet.PrefixLen)
}
開發者ID:ravisinghsfbay，項目名稱:weave，代碼行數:25，代碼來源:http.go

示例2: handleHTTPAllocate

func (alloc *Allocator) handleHTTPAllocate(dockerCli *docker.Client, w http.ResponseWriter, ident string, checkAlive bool, subnet address.CIDR) {
	closedChan := w.(http.CloseNotifier).CloseNotify()
	addr, err := alloc.Allocate(ident, subnet.HostRange(), closedChan)
	if err != nil {
		if _, ok := err.(*errorCancelled); ok { // cancellation is not really an error
			common.Log.Infoln("[allocator]:", err.Error())
			fmt.Fprint(w, "cancelled")
			return
		}
		badRequest(w, err)
		return
	}
	if checkAlive && dockerCli != nil && dockerCli.IsContainerNotRunning(ident) {
		common.Log.Infof("[allocator] '%s' is not running: freeing %s", ident, addr)
		alloc.Free(ident, addr)
		fmt.Fprint(w, "cancelled")
		return
	}

	fmt.Fprintf(w, "%s/%d", addr, subnet.PrefixLen)
}
開發者ID:binhnv，項目名稱:weave，代碼行數:21，代碼來源:http.go

示例3: HandleHTTP

// HandleHTTP wires up ipams HTTP endpoints to the provided mux.
func (alloc *Allocator) HandleHTTP(router *mux.Router, defaultSubnet address.CIDR, dockerCli *docker.Client) {
	router.Methods("PUT").Path("/ip/{id}/{ip}").HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		vars := mux.Vars(r)
		ident := vars["id"]
		ipStr := vars["ip"]
		noErrorOnUnknown := r.FormValue("noErrorOnUnknown") == "true"
		if ip, err := address.ParseIP(ipStr); err != nil {
			badRequest(w, err)
			return
		} else if err := alloc.Claim(ident, ip, noErrorOnUnknown); err != nil {
			badRequest(w, fmt.Errorf("Unable to claim: %s", err))
			return
		}

		w.WriteHeader(204)
	})

	router.Methods("GET").Path("/ip/{id}/{ip}/{prefixlen}").HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		vars := mux.Vars(r)
		if subnet, ok := parseCIDR(w, vars["ip"]+"/"+vars["prefixlen"]); ok {
			addr, err := alloc.Lookup(vars["id"], subnet.HostRange())
			if err != nil {
				http.NotFound(w, r)
				return
			}
			fmt.Fprintf(w, "%s/%d", addr, subnet.PrefixLen)
		}
	})

	router.Methods("GET").Path("/ip/{id}").HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		addr, err := alloc.Lookup(mux.Vars(r)["id"], defaultSubnet.HostRange())
		if err != nil {
			http.NotFound(w, r)
			return
		}
		fmt.Fprintf(w, "%s/%d", addr, defaultSubnet.PrefixLen)
	})

	router.Methods("POST").Path("/ip/{id}/{ip}/{prefixlen}").HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		vars := mux.Vars(r)
		if subnet, ok := parseCIDR(w, vars["ip"]+"/"+vars["prefixlen"]); ok {
			alloc.handleHTTPAllocate(dockerCli, w, vars["id"], r.FormValue("check-alive") == "true", subnet)
		}
	})

	router.Methods("POST").Path("/ip/{id}").HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		vars := mux.Vars(r)
		alloc.handleHTTPAllocate(dockerCli, w, vars["id"], r.FormValue("check-alive") == "true", defaultSubnet)
	})

	router.Methods("DELETE").Path("/ip/{id}/{ip}").HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		vars := mux.Vars(r)
		ident := vars["id"]
		ipStr := vars["ip"]
		if ip, err := address.ParseIP(ipStr); err != nil {
			badRequest(w, err)
			return
		} else if err := alloc.Free(ident, ip); err != nil {
			badRequest(w, fmt.Errorf("Unable to free: %s", err))
			return
		}

		w.WriteHeader(204)
	})

	router.Methods("DELETE").Path("/ip/{id}").HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		ident := mux.Vars(r)["id"]
		if err := alloc.Delete(ident); err != nil {
			badRequest(w, err)
			return
		}

		w.WriteHeader(204)
	})

	router.Methods("DELETE").Path("/peer").HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		alloc.Shutdown()
		w.WriteHeader(204)
	})

	router.Methods("DELETE").Path("/peer/{id}").HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		ident := mux.Vars(r)["id"]
		if err := alloc.AdminTakeoverRanges(ident); err != nil {
			badRequest(w, err)
			return
		}

		w.WriteHeader(204)
	})
}
開發者ID:ravisinghsfbay，項目名稱:weave，代碼行數:91，代碼來源:http.go

示例4: HandleHTTP

// HandleHTTP wires up ipams HTTP endpoints to the provided mux.
func (alloc *Allocator) HandleHTTP(router *mux.Router, defaultSubnet address.CIDR, dockerCli *docker.Client) {
	router.Methods("PUT").Path("/ip/{id}/{ip}").HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		closedChan := w.(http.CloseNotifier).CloseNotify()
		vars := mux.Vars(r)
		ident := vars["id"]
		ipStr := vars["ip"]
		if ip, err := address.ParseIP(ipStr); err != nil {
			badRequest(w, err)
			return
		} else if err := alloc.Claim(ident, ip, closedChan); err != nil {
			badRequest(w, fmt.Errorf("Unable to claim: %s", err))
			return
		}

		w.WriteHeader(204)
	})

	router.Methods("GET").Path("/ip/{id}/{ip}/{prefixlen}").HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		vars := mux.Vars(r)
		cidr := vars["ip"] + "/" + vars["prefixlen"]
		_, subnet, err := address.ParseCIDR(cidr)
		if err != nil {
			badRequest(w, err)
			return
		}
		addr, err := alloc.Lookup(vars["id"], subnet.HostRange())
		if err != nil {
			http.NotFound(w, r)
			return
		}
		fmt.Fprintf(w, "%s/%d", addr, subnet.PrefixLen)
	})

	router.Methods("GET").Path("/ip/{id}").HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		addr, err := alloc.Lookup(mux.Vars(r)["id"], defaultSubnet.HostRange())
		if err != nil {
			http.NotFound(w, r)
			return
		}
		fmt.Fprintf(w, "%s/%d", addr, defaultSubnet.PrefixLen)
	})

	router.Methods("POST").Path("/ip/{id}/{ip}/{prefixlen}").HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		closedChan := w.(http.CloseNotifier).CloseNotify()
		vars := mux.Vars(r)
		ident := vars["id"]
		cidrStr := vars["ip"] + "/" + vars["prefixlen"]
		subnetAddr, cidr, err := address.ParseCIDR(cidrStr)
		if err != nil {
			badRequest(w, err)
			return
		}
		if cidr.Start != subnetAddr {
			badRequest(w, fmt.Errorf("Invalid subnet %s - bits after network prefix are not all zero", cidrStr))
			return
		}
		addr, err := alloc.Allocate(ident, cidr.HostRange(), closedChan)
		if err != nil {
			badRequest(w, fmt.Errorf("Unable to allocate: %s", err))
			return
		}
		if r.FormValue("check-alive") == "true" && dockerCli != nil && dockerCli.IsContainerNotRunning(ident) {
			common.Log.Infof("[allocator] '%s' is not running: freeing %s", ident, addr)
			alloc.Free(ident, addr)
			return
		}

		fmt.Fprintf(w, "%s/%d", addr, cidr.PrefixLen)
	})

	router.Methods("POST").Path("/ip/{id}").HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		closedChan := w.(http.CloseNotifier).CloseNotify()
		ident := mux.Vars(r)["id"]
		newAddr, err := alloc.Allocate(ident, defaultSubnet.HostRange(), closedChan)
		if err != nil {
			badRequest(w, err)
			return
		}
		if r.FormValue("check-alive") == "true" && dockerCli != nil && dockerCli.IsContainerNotRunning(ident) {
			common.Log.Infof("[allocator] '%s' is not running: freeing %s", ident, newAddr)
			alloc.Free(ident, newAddr)
			return
		}

		fmt.Fprintf(w, "%s/%d", newAddr, defaultSubnet.PrefixLen)
	})

	router.Methods("DELETE").Path("/ip/{id}/{ip}").HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		vars := mux.Vars(r)
		ident := vars["id"]
		ipStr := vars["ip"]
		if ip, err := address.ParseIP(ipStr); err != nil {
			badRequest(w, err)
			return
		} else if err := alloc.Free(ident, ip); err != nil {
			badRequest(w, fmt.Errorf("Unable to free: %s", err))
			return
		}

//.........這裏部分代碼省略.........
開發者ID:zollie，項目名稱:weave，代碼行數:101，代碼來源:http.go

示例5: HandleHTTP

// HandleHTTP wires up ipams HTTP endpoints to the provided mux.
func (alloc *Allocator) HandleHTTP(router *mux.Router, defaultSubnet address.CIDR, tracker string, dockerCli *docker.Client) {
	router.Methods("GET").Path("/ipinfo/defaultsubnet").HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		fmt.Fprintf(w, "%s", defaultSubnet)
	})

	router.Methods("PUT").Path("/ip/{id}/{ip}/{prefixlen}").HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		vars := mux.Vars(r)
		if cidr, ok := parseCIDR(w, vars["ip"]+"/"+vars["prefixlen"], false); ok {
			ident := vars["id"]
			checkAlive := r.FormValue("check-alive") == "true"
			noErrorOnUnknown := r.FormValue("noErrorOnUnknown") == "true"
			alloc.handleHTTPClaim(dockerCli, w, ident, cidr, checkAlive, noErrorOnUnknown)
		}
	})

	router.Methods("GET").Path("/ring").HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		alloc.Prime()
	})

	router.Methods("GET").Path("/ip/{id}/{ip}/{prefixlen}").HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		vars := mux.Vars(r)
		if subnet, ok := parseCIDR(w, vars["ip"]+"/"+vars["prefixlen"], true); ok {
			cidrs, err := alloc.Lookup(vars["id"], subnet.HostRange())
			if err != nil {
				http.NotFound(w, r)
				return
			}
			writeAddresses(w, cidrs)
		}
	})

	router.Methods("GET").Path("/ip/{id}").HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		addrs, err := alloc.Lookup(mux.Vars(r)["id"], defaultSubnet.HostRange())
		if err != nil {
			http.NotFound(w, r)
			return
		}
		writeAddresses(w, addrs)
	})

	router.Methods("POST").Path("/ip/{id}/{ip}/{prefixlen}").HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		vars := mux.Vars(r)
		if subnet, ok := parseCIDR(w, vars["ip"]+"/"+vars["prefixlen"], true); ok {
			alloc.handleHTTPAllocate(dockerCli, w, vars["id"], r.FormValue("check-alive") == "true", subnet)
		}
	})

	router.Methods("POST").Path("/ip/{id}").HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		vars := mux.Vars(r)
		alloc.handleHTTPAllocate(dockerCli, w, vars["id"], r.FormValue("check-alive") == "true", defaultSubnet)
	})

	router.Methods("DELETE").Path("/ip/{id}/{ip}").HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		vars := mux.Vars(r)
		ident := vars["id"]
		ipStr := vars["ip"]
		if ip, err := address.ParseIP(ipStr); err != nil {
			badRequest(w, err)
			return
		} else if err := alloc.Free(ident, ip); err != nil {
			badRequest(w, fmt.Errorf("Unable to free: %s", err))
			return
		}

		w.WriteHeader(204)
	})

	router.Methods("DELETE").Path("/ip/{id}").HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		ident := mux.Vars(r)["id"]
		if err := alloc.Delete(ident); err != nil {
			badRequest(w, err)
			return
		}

		w.WriteHeader(204)
	})

	router.Methods("DELETE").Path("/peer").HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		alloc.Shutdown()
		w.WriteHeader(204)
	})

	router.Methods("DELETE").Path("/peer/{id}").HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		ident := mux.Vars(r)["id"]
		transferred := alloc.AdminTakeoverRanges(ident)
		fmt.Fprintf(w, "%d IPs taken over from %s\n", transferred, ident)
	})

	router.Methods("GET").Path("/ipinfo/tracker").HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		fmt.Fprintf(w, tracker)
	})
}
開發者ID:n054，項目名稱:weave，代碼行數:93，代碼來源:http.go


注：本文中的github.com/weaveworks/weave/net/address.CIDR.HostRange方法示例由純淨天空整理自Github/MSDocs等開源代碼及文檔管理平台，相關代碼片段篩選自各路編程大神貢獻的開源項目，源碼版權歸原作者所有，傳播和使用請參考對應項目的License；未經允許，請勿轉載。