Mercurial Repositories > eric / file diff

diff -r fd862db1f936 -r d80184d38152 src/eric7/Debugger/DebuggerInterfacePython.py
--- a/src/eric7/Debugger/DebuggerInterfacePython.py	Mon Feb 05 18:21:43 2024 +0100
+++ b/src/eric7/Debugger/DebuggerInterfacePython.py	Wed Feb 07 15:28:08 2024 +0100
@@ -12,6 +12,8 @@
 import logging
 import os
 import shlex
+import struct
+import zlib
 
 from PyQt6.QtCore import QObject, QProcess, QProcessEnvironment, QTimer
 
@@ -53,7 +55,7 @@
         self.process = None
         self.__startedVenv = ""
 
-        self.queue = []
+        self.__commandQueue = []
         self.__mainDebugger = None
         self.__connections = {}
         self.__pendingConnections = []
@@ -208,7 +210,7 @@
             else str(Preferences.getDebugger("Python3Redirect"))
         )
         noencoding = (
-            Preferences.getDebugger("Python3NoEncoding") and "--no-encoding" or ""
+            "--no-encoding" if Preferences.getDebugger("Python3NoEncoding") else ""
         )
         multiprocessEnabled = (
             "--multiprocess" if Preferences.getDebugger("MultiProcessEnabled") else ""
@@ -706,10 +708,10 @@
         if self.__mainDebugger:
             # Send commands that were waiting for the connection.
             conn = self.__connections[self.__mainDebugger]
-            for cmd in self.queue:
-                self.__writeJsonCommandToSocket(cmd, conn)
+            for jsonStr in self.__commandQueue:
+                self.__writeJsonCommandToSocket(jsonStr, conn)
 
-        self.queue = []
+        self.__commandQueue.clear()
 
     def shutdown(self):
         """
@@ -732,7 +734,7 @@
             self.__shutdownSocket(sock)
 
         # reinitialize
-        self.queue = []
+        self.__commandQueue.clear()
 
         self.__mainDebugger = None
 
@@ -1401,14 +1403,27 @@
         @param sock reference to the socket to read data from
         @type QTcpSocket
         """
-        while sock and sock.canReadLine():
-            qs = sock.readLine()
-            line = bytes(qs).decode(encoding=Preferences.getSystem("StringEncoding"))
+        while sock and sock.bytesAvailable():
+            header = sock.read(struct.calcsize(b"!II"))
+            length, datahash = struct.unpack(b"!II", header)
+
+            data = bytearray()
+            while len(data) < length:
+                maxSize = length - len(data)
+                if sock.bytesAvailable() < maxSize:
+                    sock.waitForReadyRead(50)
+                data += sock.read(maxSize)
 
-            logging.debug("<Debug-Server> %s", line)
-            ##print("Server: ", line)    ## debug       # __IGNORE_WARNING_M891__
+            if zlib.adler32(data) & 0xFFFFFFFF != datahash:
+                # corrupted data -> discard and continue
+                continue
 
-            self.__handleJsonCommand(line, sock)
+            jsonStr = data.decode("utf-8", "backslashreplace")
+
+            logging.debug("<Debug-Server> %s", jsonStr)
+            ##print("Server: ", jsonStr)    ## debug       # __IGNORE_WARNING_M891__
+
+            self.__handleJsonCommand(jsonStr, sock)
 
     def __handleJsonCommand(self, jsonStr, sock):
         """
@@ -1646,29 +1661,30 @@
             "method": command,
             "params": params,
         }
-        cmd = json.dumps(commandDict) + "\n"
+        jsonStr = json.dumps(commandDict)
 
         if debuggerId and debuggerId in self.__connections:
             sock = self.__connections[debuggerId]
         elif sock is None and self.__mainDebugger is not None:
             sock = self.__connections[self.__mainDebugger]
         if sock is not None:
-            self.__writeJsonCommandToSocket(cmd, sock)
+            self.__writeJsonCommandToSocket(jsonStr, sock)
         else:
-            self.queue.append(cmd)
+            self.__commandQueue.append(jsonStr)
 
-    def __writeJsonCommandToSocket(self, cmd, sock):
+    def __writeJsonCommandToSocket(self, jsonCommand, sock):
         """
         Private method to write a JSON command to the socket.
 
-        @param cmd JSON command to be sent
+        @param jsonCommand JSON encoded command to be sent
         @type str
         @param sock reference to the socket to write to
         @type QTcpSocket
         """
-        data = cmd.encode("utf8", "backslashreplace")
-        length = "{0:09d}".format(len(data))
-        sock.write(length.encode() + data)
+        data = jsonCommand.encode("utf8", "backslashreplace")
+        header = struct.pack(b"!II", len(data), zlib.adler32(data) & 0xFFFFFFFF)
+        sock.write(header)
+        sock.write(data)
         sock.flush()