rpc 通信和判题初步测试通过；判题服务器不再依赖 redis 和 mysql。

judge_dispatcher/tasks.py

@@ -0,0 +1,34 @@
+# coding=utf-8
+import json
+
+from celery import shared_task
+from rpc_client import TimeoutServerProxy
+
+from judge.result import result
+from submission.models import Submission
+
+
+@shared_task
+def create_judge_task(submission_id, code, language_code, time_limit, memory_limit, test_case_id):
+    submission = Submission.objects.get(id=submission_id)
+    try:
+        s = TimeoutServerProxy('http://121.42.198.156:8080', timeout=20)
+        data = s.run(submission_id, language_code, code, time_limit, memory_limit, test_case_id)
+        print data
+        # 编译错误
+        if data["code"] == 1:
+            submission.result = result["compile_error"]
+            submission.info = data["data"]["error"]
+        # system error
+        elif data["code"] == 2:
+            submission.result = result["system_error"]
+            submission.info = data["data"]["error"]
+        elif data["code"] == 0:
+            submission.result = data["data"]["result"]
+            submission.info = json.dumps(data["data"]["info"])
+            submission.accepted_answer_time = data["data"]["accepted_answer_time"]
+    except Exception as e:
+        submission.result = result["system_error"]
+        submission.info = str(e)
+    finally:
+        submission.save()