T4789: Ability to get op-mode raw data for PPPoE L2TP SSTP IPoE

Ability to get 'raw' data sessions and statistics for accel-ppp
protocols IPoE/PPPoE/L2TP/PPTP/SSTP server

1 files changed, 74 insertions, 0 deletions

diff --git a/python/vyos/accel_ppp.py b/python/vyos/accel_ppp.py
new file mode 100644
index 000000000..bfc8ee5a9
--- /dev/null
+++ b/python/vyos/accel_ppp.py
@@ -0,0 +1,74 @@
+#!/usr/bin/env python3
+#
+# Copyright (C) 2022 VyOS maintainers and contributors
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License version 2 or later as
+# published by the Free Software Foundation.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+#
+
+import sys
+
+import vyos.opmode
+from vyos.util import rc_cmd
+
+
+def get_server_statistics(accel_statistics, pattern, sep=':') -> dict:
+    import re
+
+    stat_dict = {'sessions': {}}
+
+    cpu = re.search(r'cpu(.*)', accel_statistics).group(0)
+    # Find all lines with pattern, for example 'sstp:'
+    data = re.search(rf'{pattern}(.*)', accel_statistics, re.DOTALL).group(0)
+    session_starting = re.search(r'starting(.*)', data).group(0)
+    session_active = re.search(r'active(.*)', data).group(0)
+
+    for entry in {cpu, session_starting, session_active}:
+        if sep in entry:
+            key, value = entry.split(sep)
+            if key in ['starting', 'active', 'finishing']:
+                stat_dict['sessions'][key] = value.strip()
+                continue
+            stat_dict[key] = value.strip()
+    return stat_dict
+
+
+def accel_cmd(port: int, command: str) -> str:
+    _, output = rc_cmd(f'/usr/bin/accel-cmd -p{port} {command}')
+    return output
+
+
+def accel_out_parse(accel_output: list[str]) -> list[dict[str, str]]:
+    """ Parse accel-cmd show sessions output """
+    data_list: list[dict[str, str]] = list()
+    field_names: list[str] = list()
+
+    field_names_unstripped: list[str] = accel_output.pop(0).split('|')
+    for field_name in field_names_unstripped:
+        field_names.append(field_name.strip())
+
+    while accel_output:
+        if '|' not in accel_output[0]:
+            accel_output.pop(0)
+            continue
+
+        current_item: list[str] = accel_output.pop(0).split('|')
+        item_dict: dict[str, str] = {}
+
+        for field_index in range(len(current_item)):
+            field_name: str = field_names[field_index]
+            field_value: str = current_item[field_index].strip()
+            item_dict[field_name] = field_value
+
+        data_list.append(item_dict)
+
+    return data_list