[seiscomp, scanloc] Install, add .gitignore

share/plugins/seedlink/plugin.py

@@ -0,0 +1,72 @@
+#!/usr/bin/env python3
+# -*- coding: utf-8 -*-
+############################################################################
+# Copyright (C) GFZ Potsdam                                                #
+# All rights reserved.                                                     #
+#                                                                          #
+# GNU Affero General Public License Usage                                  #
+# This file may be used under the terms of the GNU Affero                  #
+# Public License version 3.0 as published by the Free Software Foundation  #
+# and appearing in the file LICENSE included in the packaging of this      #
+# file. Please review the following information to ensure the GNU Affero   #
+# Public License version 3.0 requirements will be met:                     #
+# https://www.gnu.org/licenses/agpl-3.0.html.                              #
+############################################################################
+
+import sys
+import os
+import struct
+
+
+_doy = (0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334, 365)
+
+
+def _is_leap(y):
+    """True if y is a leap year."""
+    return (y % 400 == 0) or (y % 4 == 0 and y % 100 != 0)
+
+
+def _ldoy(y, m):
+    """The day of the year of the first day of month m, in year y.
+
+    Note: for January, m=1; for December, m=12.
+    Examples:
+    _ldoy(1900, 4) = 90
+    _ldoy(1900, 1) = 0
+    _ldoy(1999, 4) = 90
+    _ldoy(2004, 4) = 91
+    _ldoy(2000, 4) = 91
+
+    """
+    return _doy[m - 1] + (_is_leap(y) and m >= 3)
+
+
+def _mdy2dy(month, day, year):
+    return _ldoy(year, month) + day
+
+
+class Seedlink(object):
+    def __init__(self):
+        self.__fd = os.fdopen(63, "wb")
+
+    def send_raw3(self, sta, cha, t, usec_corr, tqual, data):
+        packet = struct.pack(
+            "@i10s10s9i%di" % len(data),
+            8,
+            sta.encode(),
+            cha.encode(),
+            t.year,
+            _mdy2dy(t.month, t.day, t.year),
+            t.hour,
+            t.minute,
+            t.second,
+            t.microsecond,
+            usec_corr,
+            tqual,
+            len(data),
+            *data
+        )
+
+        self.__fd.write(packet)
+        self.__fd.flush()
+