try to fix p2p module

client/Iptable.go

@@ -1,34 +1,42 @@
 package client
 
 import (
-	"fmt"
+	"bytes"
+	"encoding/json"
 	"git.sr.ht/~akilan1999/p2p-rendering-computation/p2p"
-	"net/url"
+	"io"
+	"io/ioutil"
+	"mime/multipart"
+	"net/http"
+	"os"
+	"path/filepath"
 )
 
 // Does the following to update it's IP table
 func UpdateIpTable(IpAddress string) error {
-	// Gets information from IP table
-	Addresses, err := p2p.ReadIpTable()
+
+	resp, err := SendPostRequest("http://"+IpAddress+":8088/IpTable",
+		"/etc/p2p-rendering/ip_table.json",
+		"json")
+
 	if err != nil {
 		return err
 	}
 
-	u, err := url.Parse("http://" + IpAddress + ":8088/IpTable")
+	var ipStruct p2p.IpAddresses
+	json.Unmarshal(resp, &ipStruct)
+
+	// Updates IP table based on information provided
+	// by the server
+	err = ipStruct.SpeedTestUpdatedIPTable()
 	if err != nil {
-		panic(err)
+		return err
 	}
 
-	params := url.Values{}
-	params.Add("data", fmt.Sprint(Addresses))
-	u.RawQuery = params.Encode()
-
-	fmt.Print(u.RawQuery)
-
 	return nil
 }
 
-//updates IP tables (Default 3 hops) based on server information avaliable
+//updates IP tables (Default 3 hops) based on server information available
 //on the ip tables
 func UpdateIpTableListClient() error {
 	// Ensure that the IP Table has Node pingable
@@ -49,11 +57,11 @@ func UpdateIpTableListClient() error {
 		}
 
 		// Updates IP table based on server IP table
-		for j, _ := range Addresses.IpAddress {
+		for j := range Addresses.IpAddress {
 
 			// Check if IP addresses is there in the struct DoNotRead
 			Exists := false
-			for k, _ := range DoNotRead.IpAddress {
+			for k := range DoNotRead.IpAddress {
 				if DoNotRead.IpAddress[k].Ipv4 == Addresses.IpAddress[j].Ipv4 {
 					Exists = true
 					break
@@ -77,3 +85,48 @@ func UpdateIpTableListClient() error {
 
 	return nil
 }
+
+// Sends a file as a POST request.
+// Reference (https://stackoverflow.com/questions/51234464/upload-a-file-with-post-request-golang)
+func SendPostRequest (url string, filename string, filetype string) ([]byte,error) {
+	file, err := os.Open(filename)
+	if err != nil {
+		return nil,err
+	}
+	defer file.Close()
+
+
+	body := &bytes.Buffer{}
+	writer := multipart.NewWriter(body)
+	part, err := writer.CreateFormFile(filetype, filepath.Base(file.Name()))
+
+	if err != nil {
+		return nil,err
+	}
+
+	io.Copy(part, file)
+	writer.Close()
+	request, err := http.NewRequest("POST", url, body)
+
+	if err != nil {
+		return nil,err
+	}
+
+	request.Header.Add("Content-Type", writer.FormDataContentType())
+	client := &http.Client{}
+
+	response, err := client.Do(request)
+
+	if err != nil {
+		return nil,err
+	}
+	defer response.Body.Close()
+
+	content, err := ioutil.ReadAll(response.Body)
+
+	if err != nil {
+		return nil,err
+	}
+
+	return content, nil
+}