Add replay pcap script & move scripts to one directory

* Provide python script for replaying pcap files.
* Move developing scripts to their own directory adjusting their paths
  in readme too.

Author: AmmarAbouZor

contribution.md

@@ -16,7 +16,7 @@ To check if you have all the pre-requisite installed or not, chipmunk provides t
 script for this purpose. After cloning the repo run following command in your preferred terminal.
 
 ```
-sh developing/check.sh
+sh developing/scripts/check.sh
 ```
 
 If everything is installed then script should print success messages.
@@ -69,7 +69,7 @@ This project uses few dependencies from other languages and to install them run
 following command in terminal.
 
 ```
-sh developing/install.sh
+sh developing/scripts/install.sh
 ```
 
 We are using [yarn](https://yarnpkg.com/) as a package manager. Installing yarn is simple

developing/check.sh developing/scripts/check.shdeveloping/check.sh renamed to developing/scripts/check.sh

@@ -0,0 +1,70 @@
+"""
+TCP Packet Replay Script from PCAP File
+
+This script reads a PCAP file, extracts TCP packets containing raw payload data, 
+and replays them over a TCP server while maintaining the original timing.
+
+Usage:
+    python replay_pcap.py [-h] [--port PORT] pcap_file
+
+Arguments:
+    - pcap_file (str): Path to the PCAP file to be replayed.
+    - --port (int, optional): TCP port to listen on (default: 9999).
+
+Example:
+    python script.py traffic.pcap --port 8080
+
+Requirements:
+    - Python 3
+    - scapy (install using `pip install scapy`)
+
+"""
+
+import socket
+from scapy.all import rdpcap, TCP, Raw
+import argparse
+import time
+
+# Parse command-line arguments
+parser = argparse.ArgumentParser(description="Replay TCP packets from a PCAP file.")
+parser.add_argument("pcap_file", help="Path to the PCAP file")
+parser.add_argument(
+    "--port", type=int, default=9999, help="Port to listen on (default: 9999)"
+)
+args = parser.parse_args()
+
+PCAP_FILE = args.pcap_file
+PORT = args.port
+
+# Read packets from the specified PCAP file
+packets = rdpcap(PCAP_FILE)
+
+# Server setup
+server = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+server.bind(("0.0.0.0", PORT))
+server.listen(1)
+
+print(f"Listening on port {PORT}...")
+conn, addr = server.accept()
+print(f"Connection from {addr}")
+
+# Establish timing for replay
+if packets[0].time:
+    start_time = packets[0].time
+else:
+    start_time = time.time()
+
+count = 0
+
+for pkt in packets:
+    if pkt.haslayer(TCP) and pkt.haslayer(Raw):  # Send only raw data
+        print(f"Sending {len(pkt[Raw].load)} bytes, packet {count}")
+        count += 1
+        delay = float(pkt.time) - start_time
+        time.sleep(max(0, float(delay)))
+        conn.send(pkt[Raw].load)
+        start_time = float(pkt.time)
+
+conn.close()
+server.close()
+print("Replay finished.")