154 lines
3.6 KiB
Go
154 lines
3.6 KiB
Go
package peer
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import (
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"encoding/json"
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"errors"
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"fmt"
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"regexp"
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"strings"
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"time"
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"cloud.o-forge.io/core/oc-lib/logs"
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"cloud.o-forge.io/core/oc-lib/models/utils"
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"cloud.o-forge.io/core/oc-lib/tools"
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)
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var currentRountine = 0
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var singleton = &PeerCache{
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Executions: []*PeerExecution{},
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}
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type PeerExecution struct {
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Method tools.METHOD
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Url string
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Body map[string]interface{}
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IsMySelf bool
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Caller tools.HTTPCaller
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PeerID string
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DataType utils.DataType
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DataID string
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}
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type PeerCache struct {
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Executions []*PeerExecution
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}
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func (p *PeerCache) urlFormat(url string, dt utils.DataType) string {
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if strings.Contains(url, "localhost") || strings.Contains(url, "127.0.0.1") {
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url = strings.ReplaceAll(url, "localhost", dt.API())
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url = strings.ReplaceAll(url, "127.0.0.1", dt.API())
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r := regexp.MustCompile("(:[0-9]+)")
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t := r.FindString(url)
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if t != "" {
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url = strings.Replace(url, t, ":8080", -1)
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}
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r.ReplaceAllString(url, ":8080")
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}
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return url
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}
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func (p *PeerCache) checkPeerStatus(peerID string, caller *tools.HTTPCaller) bool {
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api := tools.API{}
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access := (&Peer{}).GetAccessor(nil)
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res, code, _ := access.LoadOne(peerID)
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if code != 200 {
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return false
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}
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methods := caller.URLS[utils.PEER.String()]
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fmt.Println("checkPeerStatus AFT 3", methods)
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if methods == nil {
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return false
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}
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meth := methods[tools.POST]
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fmt.Println("checkPeerStatus AFT 4", meth)
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if meth == "" {
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return false
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}
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url := p.urlFormat(res.(*Peer).Url+meth, utils.PEER)
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fmt.Println("checkPeerStatus AFT 4", url)
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state := api.CheckRemotePeer(url)
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return state != tools.DEAD
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}
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func (p *PeerCache) GetAccessor(caller *tools.HTTPCaller) utils.Accessor {
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data := New()
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data.Init(utils.PEER, caller)
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return data
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}
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func (p *PeerCache) LaunchPeerExecution(peerID string, isMySelf bool, dataID string, url string,
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dt utils.DataType, method tools.METHOD, body map[string]interface{}, caller *tools.HTTPCaller) (*PeerExecution, error) {
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var err error
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b := []byte{}
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methods := caller.URLS[dt.String()]
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if _, ok := methods[method]; !ok {
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return nil, errors.New("no path found")
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}
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meth := methods[method]
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if meth == "" {
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return nil, errors.New("no path found")
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} else {
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meth = strings.ReplaceAll(meth, ":id", dataID)
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}
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url = p.urlFormat(url+meth, dt)
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if !p.checkPeerStatus(peerID, caller) {
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return nil, errors.New("peer is not reachable")
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}
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if method == tools.POST {
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b, err = caller.CallPost(url, "", body)
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}
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if method == tools.GET {
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b, err = caller.CallGet(url, "")
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}
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if method == tools.DELETE {
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b, err = caller.CallDelete(url, "")
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}
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var m map[string]interface{}
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json.Unmarshal(b, &m)
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if err != nil {
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pexec := &PeerExecution{
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Method: method,
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Url: url + methods[method],
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Body: body,
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IsMySelf: isMySelf,
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Caller: *caller,
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PeerID: peerID,
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DataType: dt,
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DataID: dataID,
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}
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singleton.Executions = append(singleton.Executions, pexec)
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if currentRountine == 0 {
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currentRountine++
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go p.retryPeerExecution()
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}
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return pexec, err
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}
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fmt.Println("LaunchPeerExecution AFT 3", m)
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if e, ok := m["error"]; !ok && e != "" {
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return nil, errors.New(fmt.Sprintf("%v", m["error"]))
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}
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return nil, err
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}
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func (p *PeerCache) retryPeerExecution() {
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execs := []*PeerExecution{}
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for _, v := range singleton.Executions {
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d, err := p.LaunchPeerExecution(v.PeerID, v.IsMySelf, v.DataID, v.Url, v.DataType, v.Method, v.Body, &v.Caller)
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if err == nil {
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execs = append(execs, d)
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} else {
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logs.GetLogger().With().Err(err)
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}
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}
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singleton.Executions = execs
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if len(singleton.Executions) > 0 {
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time.Sleep(60 * time.Second)
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p.retryPeerExecution()
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} else {
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currentRountine = 0
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}
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}
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