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tool: Make ports uint16

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The type of the guest and host ports should be uint16 not int. Also
make them public member of the PublishPort structure.

Signed-off-by: Rolf Neugebauer <rolf.neugebauer@docker.com>
This commit is contained in:
Rolf Neugebauer 2017-11-08 15:18:20 +00:00
parent d4517bc26f
commit a272eba740
2 changed files with 14 additions and 17 deletions
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8
src/cmd/linuxkit/run_qemu.go
View File

@ -640,13 +640,13 @@ func buildQemuForwardings(publishFlags multipleFlag, containerized bool) (string
return "", err return "", err
} }
hostPort := p.host hostPort := p.Host
guestPort := p.guest guestPort := p.Guest
if containerized { if containerized {
hostPort = guestPort hostPort = guestPort
} }
forwardings = fmt.Sprintf("%s,hostfwd=%s::%d-:%d", forwardings, p.protocol, hostPort, guestPort) forwardings = fmt.Sprintf("%s,hostfwd=%s::%d-:%d", forwardings, p.Protocol, hostPort, guestPort)
} }
return forwardings, nil return forwardings, nil
@ -659,7 +659,7 @@ func buildDockerForwardings(publishedPorts []string) ([]string, error) {
if err != nil { if err != nil {
return nil, err return nil, err
} }
pmap = append(pmap, "-p", fmt.Sprintf("%d:%d/%s", s.host, s.guest, s.protocol)) pmap = append(pmap, "-p", fmt.Sprintf("%d:%d/%s", s.Host, s.Guest, s.Protocol))
} }
return pmap, nil return pmap, nil
} }

23
src/cmd/linuxkit/util.go
View File

@ -194,9 +194,9 @@ func (l *Disks) Set(value string) error {
// PublishedPort is used by some backends to expose a VMs port on the host // PublishedPort is used by some backends to expose a VMs port on the host
type PublishedPort struct { type PublishedPort struct {
guest int Guest uint16
host int Host uint16
protocol string Protocol string
} }
// NewPublishedPort parses a string of the form <host>:<guest>[/<tcp|udp>] and returns a PublishedPort structure // NewPublishedPort parses a string of the form <host>:<guest>[/<tcp|udp>] and returns a PublishedPort structure
@ -208,10 +208,9 @@ func NewPublishedPort(publish string) (PublishedPort, error) {
return p, fmt.Errorf("Unable to parse the ports to be published, should be in format <host>:<guest> or <host>:<guest>/<tcp|udp>") return p, fmt.Errorf("Unable to parse the ports to be published, should be in format <host>:<guest> or <host>:<guest>/<tcp|udp>")
} }
hostPort, err := strconv.Atoi(slice[0]) hostPort, err := strconv.ParseUint(slice[0], 10, 16)
if err != nil { if err != nil {
return p, fmt.Errorf("The provided hostPort can't be converted to int") return p, fmt.Errorf("The provided hostPort can't be converted to uint16")
} }
right := strings.Split(slice[1], "/") right := strings.Split(slice[1], "/")
@ -220,26 +219,24 @@ func NewPublishedPort(publish string) (PublishedPort, error) {
if len(right) == 2 { if len(right) == 2 {
protocol = strings.TrimSpace(strings.ToLower(right[1])) protocol = strings.TrimSpace(strings.ToLower(right[1]))
} }
if protocol != "tcp" && protocol != "udp" { if protocol != "tcp" && protocol != "udp" {
return p, fmt.Errorf("Provided protocol is not valid, valid options are: udp and tcp") return p, fmt.Errorf("Provided protocol is not valid, valid options are: udp and tcp")
} }
guestPort, err := strconv.Atoi(right[0])
guestPort, err := strconv.ParseUint(right[0], 10, 16)
if err != nil { if err != nil {
return p, fmt.Errorf("The provided guestPort can't be converted to int") return p, fmt.Errorf("The provided guestPort can't be converted to uint16")
} }
if hostPort < 1 || hostPort > 65535 { if hostPort < 1 || hostPort > 65535 {
return p, fmt.Errorf("Invalid hostPort: %d", hostPort) return p, fmt.Errorf("Invalid hostPort: %d", hostPort)
} }
if guestPort < 1 || guestPort > 65535 { if guestPort < 1 || guestPort > 65535 {
return p, fmt.Errorf("Invalid guestPort: %d", guestPort) return p, fmt.Errorf("Invalid guestPort: %d", guestPort)
} }
p.guest = guestPort p.Guest = uint16(guestPort)
p.host = hostPort p.Host = uint16(hostPort)
p.protocol = protocol p.Protocol = protocol
return p, nil return p, nil
} }