added WASM support
This commit is contained in:
@@ -1,220 +1,210 @@
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package client
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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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"github.com/Akilan1999/p2p-rendering-computation/config"
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"github.com/Akilan1999/p2p-rendering-computation/server/docker"
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"io/ioutil"
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"os"
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)
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// TrackContainers This struct stores arrays of current containers running
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type TrackContainers struct {
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TrackContainerList []TrackContainer `json:"TrackContainer"`
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}
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// TrackContainer Stores information of current containers
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type TrackContainer struct {
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Id string `json:"ID"`
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Container *docker.DockerVM `json:"Container"`
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IpAddress string `json:"IpAddress"`
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}
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// AddTrackContainer Adds new container which has been added to the track container
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func AddTrackContainer(d *docker.DockerVM, ipAddress string) error {
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// Checking if pointer d is null
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if d == nil {
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return errors.New("d is nil")
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}
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//Get config information to derive paths for track containers json file
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config, err := config.ConfigInit(nil, nil)
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if err != nil {
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return err
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}
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// Getting information about the file trackcontainers.json file
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stat, err := os.Stat(config.TrackContainersPath)
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if err != nil {
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return err
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}
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// Initialize variable for TrackContainers
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var trackContainers TrackContainers
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// If the trackcontainers.json file is not empty then
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// Read from that file
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if stat.Size() != 0 {
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// Reads tracked container file
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trackContainersFile, err := ReadTrackContainers(config.TrackContainersPath)
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if err != nil {
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return err
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}
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trackContainers = *trackContainersFile
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}
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// Initialize new variable with type struct TrackContainers and
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// add container struct and ip address
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var trackContainer TrackContainer
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trackContainer.Id = d.ID
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trackContainer.Container = d
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trackContainer.IpAddress = ipAddress
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// Adds new container as passed in the parameter to the struct
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if &trackContainer == nil {
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return errors.New("trackContainer variable is nil")
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}
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trackContainers.TrackContainerList = append(trackContainers.TrackContainerList, trackContainer)
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// write modified information to the tracked json file
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data, err := json.MarshalIndent(trackContainers, "", "\t")
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if err != nil {
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return err
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}
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err = ioutil.WriteFile(config.TrackContainersPath, data, 0777)
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if err != nil {
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return err
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}
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return nil
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}
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// RemoveTrackedContainer This function removos tracked container from the trackcontainer JSON file
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func RemoveTrackedContainer(id string) error {
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//Get config information to derive paths for track containers json file
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config, err := config.ConfigInit(nil, nil)
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if err != nil {
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return err
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}
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// Getting tracked container struct
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trackedContainers, err := ReadTrackContainers(config.TrackContainersPath)
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// Storing index of element to remove
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var removeElement int
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removeElement = -1
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for i := range trackedContainers.TrackContainerList {
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if trackedContainers.TrackContainerList[i].Id == id {
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removeElement = i
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break
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}
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}
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// Checks if the element to be removed has been detected
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if removeElement == -1 {
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return errors.New("Container ID not found in the tracked list")
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}
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// Remove the detected element from the struct
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trackedContainers.TrackContainerList = append(trackedContainers.TrackContainerList[:removeElement], trackedContainers.TrackContainerList[removeElement+1:]...)
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// write modified information to the tracked json file
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data, err := json.MarshalIndent(trackedContainers, "", "\t")
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if err != nil {
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return err
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}
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err = ioutil.WriteFile(config.TrackContainersPath, data, 0777)
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if err != nil {
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return err
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}
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return nil
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}
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// ViewTrackedContainers View Containers currently tracked
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func ViewTrackedContainers() (error, *TrackContainers) {
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config, err := config.ConfigInit(nil, nil)
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if err != nil {
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return err, nil
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}
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trackedContianers, err := ReadTrackContainers(config.TrackContainersPath)
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if err != nil {
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return err, nil
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}
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return nil, trackedContianers
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}
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// ReadTrackContainers Reads containers which are currently tracked
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func ReadTrackContainers(filename string) (*TrackContainers, error) {
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buf, err := ioutil.ReadFile(filename)
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if err != nil {
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return nil, err
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}
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c := &TrackContainers{}
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err = json.Unmarshal(buf, c)
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if err != nil {
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return nil, fmt.Errorf("in file %q: %v", filename, err)
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}
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return c, nil
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}
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//func ModifyTrackContainers()
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// GetContainerInformation gets information about container based on
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// container ID provided
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func GetContainerInformation(ID string) (*TrackContainer, error) {
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// Getting the current containers
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err, CurrentContainers := ViewTrackedContainers()
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if err != nil {
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return nil, err
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}
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// Iterating through all tracked containers to get the container information
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// of the ID passed through the function parameter
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for _, container := range CurrentContainers.TrackContainerList {
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if container.Container.ID == ID {
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return &container, nil
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}
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}
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return nil, errors.New("Container not found. ")
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}
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// ModifyContainerInformation Modifies information inside the container
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func (TC *TrackContainer) ModifyContainerInformation() error {
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// Gets all the information of tracker containers
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err, t := ViewTrackedContainers()
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if err != nil {
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return err
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}
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// Find the element where the containers match and
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// change them
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for i, container := range t.TrackContainerList {
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if TC.Id == container.Id {
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t.TrackContainerList[i] = *TC
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break
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}
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}
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// Write the modified information to the file
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// write modified information to the tracked json file
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err = t.WriteContainers()
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if err != nil {
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return err
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}
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return nil
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}
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// WriteContainers Write information back to the config file
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func (TC *TrackContainers) WriteContainers() error {
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// Initialize config file
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config, err := config.ConfigInit(nil, nil)
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// write modified information to the tracked json file
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data, err := json.MarshalIndent(TC, "", "\t")
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if err != nil {
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return err
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}
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err = ioutil.WriteFile(config.TrackContainersPath, data, 0777)
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if err != nil {
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return err
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}
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return nil
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}
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// CheckID Checks if the ID belongs to a group or a single container
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func CheckID(ID string) (string, error) {
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// For group checks if the 1st characters is "grp"
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if ID[0:3] == "grp" {
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return "group", nil
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} else {
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return "container", nil
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}
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return "", nil
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}
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//// TrackContainers This struct stores arrays of current containers running
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//type TrackContainers struct {
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// TrackContainerList []TrackContainer `json:"TrackContainer"`
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//}
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//
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//// TrackContainer Stores information of current containers
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//type TrackContainer struct {
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// Id string `json:"ID"`
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// Container *docker.DockerVM `json:"Container"`
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// IpAddress string `json:"IpAddress"`
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//}
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//
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//// AddTrackContainer Adds new container which has been added to the track container
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//func AddTrackContainer(d *docker.DockerVM, ipAddress string) error {
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// // Checking if pointer d is null
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// if d == nil {
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// return errors.New("d is nil")
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// }
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// //Get config information to derive paths for track containers json file
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// config, err := config.ConfigInit(nil, nil)
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// if err != nil {
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// return err
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// }
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//
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// // Getting information about the file trackcontainers.json file
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// stat, err := os.Stat(config.TrackContainersPath)
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// if err != nil {
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// return err
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// }
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// // Initialize variable for TrackContainers
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// var trackContainers TrackContainers
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// // If the trackcontainers.json file is not empty then
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// // Read from that file
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// if stat.Size() != 0 {
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// // Reads tracked container file
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// trackContainersFile, err := ReadTrackContainers(config.TrackContainersPath)
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// if err != nil {
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// return err
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// }
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// trackContainers = *trackContainersFile
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// }
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//
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// // Initialize new variable with type struct TrackContainers and
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// // add container struct and ip address
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// var trackContainer TrackContainer
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// trackContainer.Id = d.ID
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// trackContainer.Container = d
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// trackContainer.IpAddress = ipAddress
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//
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// // Adds new container as passed in the parameter to the struct
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// if &trackContainer == nil {
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// return errors.New("trackContainer variable is nil")
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// }
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// trackContainers.TrackContainerList = append(trackContainers.TrackContainerList, trackContainer)
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//
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// // write modified information to the tracked json file
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// data, err := json.MarshalIndent(trackContainers, "", "\t")
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// if err != nil {
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// return err
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// }
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// err = ioutil.WriteFile(config.TrackContainersPath, data, 0777)
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// if err != nil {
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// return err
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// }
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//
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// return nil
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//}
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//
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//// RemoveTrackedContainer This function removos tracked container from the trackcontainer JSON file
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//func RemoveTrackedContainer(id string) error {
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// //Get config information to derive paths for track containers json file
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// config, err := config.ConfigInit(nil, nil)
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// if err != nil {
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// return err
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// }
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// // Getting tracked container struct
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// trackedContainers, err := ReadTrackContainers(config.TrackContainersPath)
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// // Storing index of element to remove
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// var removeElement int
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// removeElement = -1
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// for i := range trackedContainers.TrackContainerList {
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// if trackedContainers.TrackContainerList[i].Id == id {
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// removeElement = i
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// break
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// }
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// }
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// // Checks if the element to be removed has been detected
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// if removeElement == -1 {
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// return errors.New("Container ID not found in the tracked list")
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// }
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// // Remove the detected element from the struct
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// trackedContainers.TrackContainerList = append(trackedContainers.TrackContainerList[:removeElement], trackedContainers.TrackContainerList[removeElement+1:]...)
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//
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// // write modified information to the tracked json file
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// data, err := json.MarshalIndent(trackedContainers, "", "\t")
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// if err != nil {
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// return err
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// }
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// err = ioutil.WriteFile(config.TrackContainersPath, data, 0777)
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// if err != nil {
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// return err
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// }
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//
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// return nil
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//}
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//
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//// ViewTrackedContainers View Containers currently tracked
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//func ViewTrackedContainers() (error, *TrackContainers) {
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// config, err := config.ConfigInit(nil, nil)
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// if err != nil {
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// return err, nil
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// }
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// trackedContianers, err := ReadTrackContainers(config.TrackContainersPath)
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// if err != nil {
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// return err, nil
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// }
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//
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// return nil, trackedContianers
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//}
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//
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//// ReadTrackContainers Reads containers which are currently tracked
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//func ReadTrackContainers(filename string) (*TrackContainers, error) {
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// buf, err := ioutil.ReadFile(filename)
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// if err != nil {
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// return nil, err
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// }
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//
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// c := &TrackContainers{}
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// err = json.Unmarshal(buf, c)
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// if err != nil {
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// return nil, fmt.Errorf("in file %q: %v", filename, err)
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// }
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//
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// return c, nil
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//}
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//
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////func ModifyTrackContainers()
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//
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//// GetContainerInformation gets information about container based on
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//// container ID provided
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//func GetContainerInformation(ID string) (*TrackContainer, error) {
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// // Getting the current containers
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// err, CurrentContainers := ViewTrackedContainers()
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// if err != nil {
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// return nil, err
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// }
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// // Iterating through all tracked containers to get the container information
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// // of the ID passed through the function parameter
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// for _, container := range CurrentContainers.TrackContainerList {
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// if container.Container.ID == ID {
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// return &container, nil
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// }
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// }
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// return nil, errors.New("Container not found. ")
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//}
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//
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//// ModifyContainerInformation Modifies information inside the container
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//func (TC *TrackContainer) ModifyContainerInformation() error {
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// // Gets all the information of tracker containers
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// err, t := ViewTrackedContainers()
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// if err != nil {
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// return err
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// }
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// // Find the element where the containers match and
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// // change them
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// for i, container := range t.TrackContainerList {
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// if TC.Id == container.Id {
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// t.TrackContainerList[i] = *TC
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// break
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// }
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// }
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// // Write the modified information to the file
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// // write modified information to the tracked json file
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// err = t.WriteContainers()
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// if err != nil {
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// return err
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// }
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//
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// return nil
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//}
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//
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//// WriteContainers Write information back to the config file
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//func (TC *TrackContainers) WriteContainers() error {
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// // Initialize config file
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// config, err := config.ConfigInit(nil, nil)
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// // write modified information to the tracked json file
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// data, err := json.MarshalIndent(TC, "", "\t")
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// if err != nil {
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// return err
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// }
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// err = ioutil.WriteFile(config.TrackContainersPath, data, 0777)
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// if err != nil {
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// return err
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// }
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//
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// return nil
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//}
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//
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//// CheckID Checks if the ID belongs to a group or a single container
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//func CheckID(ID string) (string, error) {
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// // For group checks if the 1st characters is "grp"
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// if ID[0:3] == "grp" {
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// return "group", nil
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// } else {
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// return "container", nil
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// }
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// return "", nil
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//}
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Reference in New Issue
Block a user