Antoine Van Elstraete
06e1d683b3
Parse the real RTT from ping output instead of measuring subprocess execution time, which included process startup overhead. Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
80 lines
2.3 KiB
Python
80 lines
2.3 KiB
Python
"""
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Checker Ping.
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Vérifie la disponibilité d'un hôte via ICMP ping.
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"""
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import re
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import subprocess
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import platform
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from .base import BaseChecker, CheckResult
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class PingChecker(BaseChecker):
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"""
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Vérifie la disponibilité d'un hôte via ping ICMP.
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Configuration YAML:
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host: Adresse IP ou nom d'hôte à vérifier (obligatoire).
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count: Nombre de paquets à envoyer (défaut: 1).
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timeout: Délai d'attente en secondes (défaut: 5).
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"""
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def check(self) -> CheckResult:
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"""
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Exécute un ping vers l'hôte configuré.
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Adapte automatiquement la commande ping selon le système
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d'exploitation (Windows ou Linux/macOS).
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Returns:
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CheckResult avec success=True si l'hôte répond.
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"""
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host = self.config["host"]
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count = self.config.get("count", 1)
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timeout = self.config.get("timeout", 5)
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# Adapte la commande ping selon l'OS
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if platform.system().lower() == "windows":
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cmd = ["ping", "-n", str(count), "-w", str(timeout * 1000), host]
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else:
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cmd = ["ping", "-c", str(count), "-W", str(timeout), host]
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try:
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result = subprocess.run(
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cmd,
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capture_output=True,
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text=True,
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timeout=timeout + 5
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)
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if result.returncode == 0:
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# Parse RTT from ping output (e.g., "time=0.32 ms" or "time=0.32ms")
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match = re.search(r"time[=<]([\d.]+)\s*ms", result.stdout)
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response_time = float(match.group(1)) if match else None
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return CheckResult(
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success=True,
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message="Host is reachable",
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response_time=response_time
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)
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else:
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return CheckResult(
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success=False,
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message="Host is unreachable",
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response_time=None
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)
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except subprocess.TimeoutExpired:
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return CheckResult(
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success=False,
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message="Ping timeout",
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response_time=None
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)
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except Exception as e:
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return CheckResult(
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success=False,
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message=f"Ping error: {e}",
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response_time=None
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)
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