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@@ -333,21 +333,24 @@ class Statistics:
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plt.gcf().clear()
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result = self.stats_db._process_user_defined_query(
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"SELECT mssValue, SUM(mssCount) FROM tcp_mss_dist GROUP BY mssValue")
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- graphx, graphy = [], []
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- for row in result:
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- graphx.append(row[0])
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- graphy.append(row[1])
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- plt.autoscale(enable=True, axis='both')
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- plt.title("MSS Distribution")
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- plt.xlabel('MSS Value')
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- plt.ylabel('Number of Packets')
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- width = 0.5
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- plt.xlim([0, max(graphx)])
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- plt.grid(True)
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- plt.bar(graphx, graphy, width, align='center', linewidth=2, color='red', edgecolor='red')
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- out = self.pcap_filepath.replace('.pcap', '_plot-mss' + file_ending)
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- plt.savefig(out,dpi=500)
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- return out
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+ if(result):
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+ graphx, graphy = [], []
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+ for row in result:
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+ graphx.append(row[0])
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+ graphy.append(row[1])
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+ plt.autoscale(enable=True, axis='both')
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+ plt.title("MSS Distribution")
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+ plt.xlabel('MSS Value')
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+ plt.ylabel('Number of Packets')
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+ width = 0.5
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+ plt.xlim([0, max(graphx)])
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+ plt.grid(True)
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+ plt.bar(graphx, graphy, width, align='center', linewidth=2, color='red', edgecolor='red')
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+ out = self.pcap_filepath.replace('.pcap', '_plot-mss' + file_ending)
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+ plt.savefig(out,dpi=500)
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+ return out
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+ else:
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+ print("Error plot MSS: No MSS values found!")
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# Aidmar
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def plot_win(file_ending: str):
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