[성현모] RestAPI 클래스 수정

Projects/NetStandard/CPMeta/RestAPI.cs

@@ -10,22 +10,27 @@ namespace CPMeta
 {
     public class RestAPI
     {
+        private static HttpClient RequestClient = new HttpClient();
+        private static HttpClient ResponseClient = new HttpClient();
+
+        static RestAPI()
+        {
+            ServicePointManager.ServerCertificateValidationCallback += (sender, cert, chain, sslPolicyErrors) => true;
+            ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls12;
+            RequestClient.Timeout = TimeSpan.FromMilliseconds(3000);
+            ResponseClient.Timeout = TimeSpan.FromMilliseconds(3000);
+        }
+
         public static async Task<RESPONSE> PostAsync<REQUEST,RESPONSE>(string Url, REQUEST body) where REQUEST : class where RESPONSE : class
         {
             try
             {
-                ServicePointManager.ServerCertificateValidationCallback += (sender, cert, chain, sslPolicyErrors) => true;
-                ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls12;
-
                 if (body != null)
                 {
                     var jsonBody = JsonConvert.SerializeObject(body);
                     var contents = new StringContent(jsonBody, Encoding.UTF8, "application/json");                  
 
-                    HttpClient client = new HttpClient();
+                    var response = await RequestClient.PostAsync(Url, contents);
-                    client.Timeout = TimeSpan.FromMilliseconds(3000);
-
-                    var response = await client.PostAsync(Url, contents);
 
                     var resContentStr = await response.Content.ReadAsStringAsync();
                     return JsonConvert.DeserializeObject<RESPONSE>(resContentStr);
@@ -34,6 +39,7 @@ namespace CPMeta
             catch (Exception e)
             {
                 Console.WriteLine("PostAsync Error");
+                Console.WriteLine(e.Message);
             }
 
             return default(RESPONSE);
@@ -43,13 +49,7 @@ namespace CPMeta
         {
             try
             {
-                ServicePointManager.ServerCertificateValidationCallback += (sender, cert, chain, sslPolicyErrors) => true;
+                var response = await ResponseClient.GetAsync(Url);
-                ServicePointManager.SecurityProtocol = SecurityProtocolType.Tls12;
-               
-                HttpClient client = new HttpClient();
-                client.Timeout = TimeSpan.FromMilliseconds(3000);
-
-                var response = await client.GetAsync(Url);
 
                 var resContentStr = await response.Content.ReadAsStringAsync();
                 return JsonConvert.DeserializeObject<RESPONSE>(resContentStr);
@@ -58,6 +58,7 @@ namespace CPMeta
             catch(Exception e)
             {
                 Console.WriteLine("GetAsync Error");
+                Console.WriteLine(e.Message);
             }
 
             return default(RESPONSE);