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messages.go
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messages.go
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// Copyright 2014 Matt Ho
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package wemo
import (
"bufio"
"bytes"
"fmt"
"io/ioutil"
"net/http"
"time"
)
const (
messageHeader = `<?xml version="1.0" encoding="utf-8"?><s:Envelope xmlns:s="http://schemas.xmlsoap.org/soap/envelope/" s:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/"><s:Body>`
messageFooter = `</s:Body></s:Envelope>`
)
func post(hostAndPort, service, action, body string) (*http.Response, error) {
tcpConn, err := timeoutDialer(2*time.Second, 2*time.Second)("tcp", hostAndPort)
if err != nil {
return nil, err
}
defer tcpConn.Close()
preamble := fmt.Sprintf("POST http://%v/upnp/control/%s1 HTTP/1.1\r\nContent-type: text/xml; charset=\"utf-8\"\r\nSOAPACTION: \"urn:Belkin:service:%s:1#%s\"\r\nContent-Length: %v\r\n\r\n", hostAndPort, service, service, action, len(body))
tcpConn.Write([]byte(preamble + body))
data, err := ioutil.ReadAll(tcpConn)
if err != nil {
return nil, err
}
return http.ReadResponse(bufio.NewReader(bytes.NewReader(data)), nil)
}
func newGetBinaryStateMessage() string {
return messageHeader + `<u:GetBinaryState xmlns:u="urn:Belkin:service:basicevent:1"></u:GetBinaryState>` + messageFooter
}
func newSetBinaryStateMessage(on bool) string {
value := 0
if on {
value = 1
}
return fmt.Sprintf(messageHeader+`<u:SetBinaryState xmlns:u="urn:Belkin:service:basicevent:1"><BinaryState>%v</BinaryState></u:SetBinaryState>`+messageFooter, value)
}
func newGetInsightParamsMessage() string {
return messageHeader + `<u:GetInsightParams xmlns:u="urn:Belkin:service:insight:1"></u:GetInsightParams>` + messageFooter
}
func newGetBridgeEndDevices(u string) string {
return fmt.Sprintf(messageHeader+`<u:GetEndDevices xmlns:u="urn:Belkin:service:bridge:1"><DevUDN>%s</DevUDN><ReqListType>PAIRED_LIST</ReqListType></u:GetEndDevices>`+messageFooter, u)
}
func newSetBulbStatus(id, capability, value string, group bool) string {
g := "NO"
if group {
g = "YES"
}
return fmt.Sprintf(messageHeader+
`<u:SetDeviceStatus xmlns:u="urn:Belkin:service:bridge:1">
<DeviceStatusList>
<?xml version="1.0" encoding="UTF-8"?><DeviceStatus><IsGroupAction>%s</IsGroupAction><DeviceID available="YES">%s</DeviceID><CapabilityID>%s</CapabilityID><CapabilityValue>%s</CapabilityValue></DeviceStatus>
</DeviceStatusList>
</u:SetDeviceStatus>`+
messageFooter, g, id, capability, value)
}
func newGetBulbStatus(id string) string {
return fmt.Sprintf(messageHeader+`<u:GetDeviceStatus xmlns:u="urn:Belkin:service:bridge:1">
<DeviceIDs>%s</DeviceIDs>
</u:GetDeviceStatus>`+messageFooter, id)
}