Primer Ejercicio y Echo

.idea/.gitignore

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+# Default ignored files
+/shelf/
+/workspace.xml
+# Editor-based HTTP Client requests
+/httpRequests/
+# Datasource local storage ignored files
+/dataSources/
+/dataSources.local.xml

.idea/UDP.iml

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+<?xml version="1.0" encoding="UTF-8"?>
+<module type="PYTHON_MODULE" version="4">
+  <component name="NewModuleRootManager">
+    <content url="file://$MODULE_DIR$">
+      <excludeFolder url="file://$MODULE_DIR$/test" />
+    </content>
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>

.idea/inspectionProfiles/profiles_settings.xml

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+<component name="InspectionProjectProfileManager">
+  <settings>
+    <option name="USE_PROJECT_PROFILE" value="false" />
+    <version value="1.0" />
+  </settings>
+</component>

.idea/misc.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectRootManager" version="2" project-jdk-name="Python 3.9 (UDP)" project-jdk-type="Python SDK" />
+</project>

.idea/modules.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/.idea/UDP.iml" filepath="$PROJECT_DIR$/.idea/UDP.iml" />
+    </modules>
+  </component>
+</project>

.idea/vcs.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$" vcs="Git" />
+  </component>
+</project>

ejer_bucle/cliente.py

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+import socket
+
+HOST = '127.0.0.1'
+PORT = 2000
+
+with socket.socket(socket.AF_INET, socket.SOCK_DGRAM) as s:
+    server_address = (HOST, PORT)
+
+    while True:
+        message = input("Enter a message (or 'exit' to quit): ")
+        if message.lower() == 'exit':
+            break
+
+        # Send the message
+        print('Sending {!r}'.format(message))
+        sent = s.sendto(message.encode('utf-8'), server_address)
+
+        # Receive the response
+        print('Waiting for the response')
+        data, server = s.recvfrom(1024)  # línea bloqueante
+        print('Received {!r} from {}'.format(data.decode('utf-8'), server))
+
+# Program ends when 'exit' is entered by the user

ejer_bucle/servidor.py

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+import socket
+HOST = ''
+PORT = 2000
+with socket.socket(socket.AF_INET, socket.SOCK_DGRAM) as s:
+  s_addr = (HOST, PORT)
+  s.bind(s_addr)
+  while True:
+    #recibir
+    datos, addr = s.recvfrom(1024) #línea bloqueante
+    print('recibidos  {} bytes de {}'.format(len(datos), addr))
+    print(datos)
+    #enviar
+    if datos:
+      sent = s.sendto(b"Saludos desde el Servidor UDP", addr)
+      print('enviados {} bytes de vuelta a {}'.format(sent, addr))

ejer_echo/cliente_echo.py

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+import socket
+HOST = '127.0.0.1'
+PORT = 2000
+with socket.socket(socket.AF_INET, socket.SOCK_DGRAM) as s:
+  s_addr = (HOST, PORT)
+  server_address = (s_addr)
+  cadena = input("Por favor, introduce una cadena: ")
+  message = bytes(cadena, 'utf-8')
+  # enviar
+  print('Enviando {!r}'.format(message))
+  sent = s.sendto(message, server_address)
+  # recibir
+  print('Esperando por la respuesta')
+  data, server = s.recvfrom(1024) #línea bloqueante
+  print('recibidos {!r}'.format(data))

ejer_echo/server_echo.py

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+import socket
+HOST = ''
+PORT = 2000
+with socket.socket(socket.AF_INET, socket.SOCK_DGRAM) as s:
+  s_addr = (HOST, PORT)
+  s.bind(s_addr)
+  while True:
+    #recibir
+    datos, addr = s.recvfrom(1024) #línea bloqueante
+    print('recibidos  {} bytes de {}'.format(len(datos), addr))
+    print(datos)
+    #enviar
+    if datos:
+      sent = s.sendto(datos.upper(), addr)
+      print('enviados {} bytes de vuelta a {}'.format(sent, addr))