basic functionality

README.md

@@ -1,3 +1,3 @@
 # moninet
 
-monitor over time for internet outages
+monitor your network for internet outages

src/main.py

@@ -0,0 +1,39 @@
+import http.client
+from time import sleep
+import datetime
+from socket import socket
+
+TIMEOUT: float = 1
+TESTDOMAINS: list[str] = ["cscherr.de", "debian.org", "cloudflare.com"]
+
+def check_net() -> bool:
+    overall: bool = True
+    for domain in TESTDOMAINS:
+        status, msg = reachable(domain)
+        overall &= status
+        print(f"{domain:60s} {msg}")
+
+    return overall
+
+def reachable(domain: str) -> tuple[bool, str]:
+    try:
+        conn = http.client.HTTPSConnection(domain, timeout=TIMEOUT)
+        conn.request("GET", "/")
+        r = conn.getresponse()
+        conn.close()
+        return True, r.status
+    except Exception as e:
+        return False, e.__str__()
+
+def monitor():
+    while True:
+        try:
+            b = check_net()
+            if b: print(":SUCCESS:")
+            else: print(":FAILURE:")
+            sleep(4)
+        except Exception as e:
+            print(e)
+
+if __name__ == "__main__":
+    monitor()

src/moninet.service

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+[Unit]
+Description=Monitor network for internet outage
+After=syslog.target
+
+[Service]
+Type=simple
+User=moninet
+Group=moninet
+WorkingDirectory=/srv/moninet
+ExecStart=/srv/moninet/.venv/bin/python3 -u /srv/moninet/src/main.py
+StandardOutput=syslog
+StandardError=syslog
+
+[Install]
+WantedBy=multi-user.target