From 508929178997c0e33ae86ed4f00b1d89806cd676 Mon Sep 17 00:00:00 2001 From: Adam Sutton Date: Thu, 9 Aug 2012 16:54:21 +0100 Subject: [PATCH] Some basic python libs for htsmsg and htsp. Includes debug/support scripts for monitoring htsp async messages (support/htspmon) and epg dumping (support/epgdump). --- .gitignore | 3 + lib/py/tvh/__init__.py | 0 lib/py/tvh/dvb_charset_tables.py | 353 +++++++++++++++++++++++++++++++ lib/py/tvh/htsmsg.py | 207 ++++++++++++++++++ lib/py/tvh/htsp.py | 105 +++++++++ lib/py/tvh/log.py | 67 ++++++ lib/py/tvh/tsreader.py | 209 ++++++++++++++++++ support/epgdump | 38 ++++ support/htspmon | 78 +++++++ 9 files changed, 1060 insertions(+) create mode 100644 lib/py/tvh/__init__.py create mode 100644 lib/py/tvh/dvb_charset_tables.py create mode 100644 lib/py/tvh/htsmsg.py create mode 100644 lib/py/tvh/htsp.py create mode 100644 lib/py/tvh/log.py create mode 100644 lib/py/tvh/tsreader.py create mode 100755 support/epgdump create mode 100755 support/htspmon diff --git a/.gitignore b/.gitignore index 14795fd1..007b2872 100644 --- a/.gitignore +++ b/.gitignore @@ -5,3 +5,6 @@ build.* .project .settings data/dvb-scan + +*.pyc +.*.sw[op] diff --git a/lib/py/tvh/__init__.py b/lib/py/tvh/__init__.py new file mode 100644 index 00000000..e69de29b diff --git a/lib/py/tvh/dvb_charset_tables.py b/lib/py/tvh/dvb_charset_tables.py new file mode 100644 index 00000000..3079608c --- /dev/null +++ b/lib/py/tvh/dvb_charset_tables.py @@ -0,0 +1,353 @@ +conv_8859_table = [ + [ + 0x00A0, 0x00A1, 0x00A2, 0x00A3, 0x00A4, 0x00A5, 0x00A6, 0x00A7, + 0x00A8, 0x00A9, 0x00AA, 0x00AB, 0x00AC, 0x00AD, 0x00AE, 0x00AF, + 0x00B0, 0x00B1, 0x00B2, 0x00B3, 0x00B4, 0x00B5, 0x00B6, 0x00B7, + 0x00B8, 0x00B9, 0x00BA, 0x00BB, 0x00BC, 0x00BD, 0x00BE, 0x00BF, + 0x00C0, 0x00C1, 0x00C2, 0x00C3, 0x00C4, 0x00C5, 0x00C6, 0x00C7, + 0x00C8, 0x00C9, 0x00CA, 0x00CB, 0x00CC, 0x00CD, 0x00CE, 0x00CF, + 0x00D0, 0x00D1, 0x00D2, 0x00D3, 0x00D4, 0x00D5, 0x00D6, 0x00D7, + 0x00D8, 0x00D9, 0x00DA, 0x00DB, 0x00DC, 0x00DD, 0x00DE, 0x00DF, + 0x00E0, 0x00E1, 0x00E2, 0x00E3, 0x00E4, 0x00E5, 0x00E6, 0x00E7, + 0x00E8, 0x00E9, 0x00EA, 0x00EB, 0x00EC, 0x00ED, 0x00EE, 0x00EF, + 0x00F0, 0x00F1, 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0x00D1, 0x00D2, 0x00D3, 0x00D4, 0x00D5, 0x00D6, 0x00D7, + 0x00D8, 0x00D9, 0x00DA, 0x00DB, 0x00DC, 0x00DD, 0x00DE, 0x00DF, + 0x00E0, 0x00E1, 0x00E2, 0x00E3, 0x00E4, 0x00E5, 0x00E6, 0x00E7, + 0x00E8, 0x00E9, 0x00EA, 0x00EB, 0x00EC, 0x00ED, 0x00EE, 0x00EF, + 0x00F0, 0x00F1, 0x00F2, 0x00F3, 0x00F4, 0x00F5, 0x00F6, 0x00F7, + 0x00F8, 0x00F9, 0x00FA, 0x00FB, 0x00FC, 0x00FD, 0x00FE, 0x00FF, + ] +]; + +iso6937_single_byte = [ + 0x00a0, 0x00a1, 0x00a2, 0x00a3, 0x0000, 0x00a5, 0x0000, 0x00a7, + 0x00a4, 0x2018, 0x201c, 0x00ab, 0x2190, 0x2191, 0x2192, 0x2193, + 0x00b0, 0x00b1, 0x00b2, 0x00b3, 0x00d7, 0x00b5, 0x00b6, 0x00b7, + 0x00f7, 0x2019, 0x201d, 0x00bb, 0x00bc, 0x00bd, 0x00be, 0x00bf, + 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, + 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, 0x0000, + 0x2014, 0x00b9, 0x00ae, 0x00a9, 0x2122, 0x266a, 0x00ac, 0x00a6, + 0x0000, 0x0000, 0x0000, 0x0000, 0x215b, 0x215c, 0x215d, 0x215e, + 0x2126, 0x00c6, 0x00d0, 0x00aa, 0x0126, 0x0000, 0x0132, 0x013f, + 0x0141, 0x00d8, 0x0152, 0x00ba, 0x00de, 0x0166, 0x014a, 0x0149, + 0x0138, 0x00e6, 0x0111, 0x00f0, 0x0127, 0x0131, 0x0133, 0x0140, + 0x0142, 0x00f8, 0x0153, 0x00df, 0x00fe, 0x0167, 0x014b, 0x00ad, +]; + +iso6937_lone_accents = [ + 0x0000, 0x00B4, 0x0000, 0x0000, 0x0000, 0x00Af, 0x02D8, 0x02D9, + 0x00A8, 0x0000, 0x02DA, 0x00B8, 0x0000, 0x02DD, 0x02DB, 0x02C7, +]; + +iso6937_multi_byte = [ + [ + 0x00, + ], + [ + + 0xc0, 0x00, 0x00, 0x00, 0xc8, 0x00, 0x00, 0x00, 0xcc, 0x00, 0x00, 0x00, 0x00, + 0x00, 0xd2, 0x00, 0x00, 0x00, 0x00, 0x00, 0xd9, 0x00, 0x00, 0x00, 0x00, 0x00, + + 0xe0, 0x00, 0x00, 0x00, 0xe8, 0x00, 0x00, 0x00, 0xec, 0x00, 0x00, 0x00, 0x00, + 0x00, 0xf2, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf9, 0x00, 0x00, 0x00, 0x00, 0x00 + ], + + [ + + 0xc1, 0x00, 0x0106, 0x00, 0xc9, 0x00, 0x00, 0x00, 0xcd, 0x00, 0x00, 0x0139, + 0x00, 0x0143, 0xd3, 0x00, 0x00, 0x0154, 0x015a, 0x00, 0xda, 0x00, 0x00, 0x00, + 0xdd, 0x0179, + + 0xe1, 0x00, 0x0107, 0x00, 0xe9, 0x00, 0x00, 0x00, 0xed, 0x00, 0x00, 0x013a, + 0x00, 0x0144, 0xf3, 0x00, 0x00, 0x0155, 0x015b, 0x00, 0xfa, 0x00, 0x00, 0x00, + 0xfd, 0x017a + ], + + [ + + 0xc2, 0x00, 0x0108, 0x00, 0xca, 0x00, 0x011c, 0x0124, 0xce, 0x0134, 0x00, + 0x00, 0x00, 0x00, 0xd4, 0x00, 0x00, 0x00, 0x015c, 0x00, 0xdb, 0x00, 0x0174, + 0x00, 0x0176, 0x00, + + 0xe2, 0x00, 0x0109, 0x00, 0xea, 0x00, 0x011d, 0x0125, 0xee, 0x0135, 0x00, + 0x00, 0x00, 0x00, 0xf4, 0x00, 0x00, 0x00, 0x015d, 0x00, 0xfb, 0x00, 0x0175, + 0x00, 0x0177, 0x00 + ], + + [ + + 0xc3, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0128, 0x00, 0x00, 0x00, 0x00, + 0xd1, 0xd5, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0168, 0x00, 0x00, 0x00, 0x00, 0x00, + + 0xe3, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0129, 0x00, 0x00, 0x00, 0x00, + 0xf1, 0xf5, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0169, 0x00, 0x00, 0x00, 0x00, 0x00 + ], + + [ + + 0x0100, 0x00, 0x00, 0x00, 0x0112, 0x00, 0x00, 0x00, 0x012a, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x014c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x016a, 0x00, 0x00, 0x00, 0x00, 0x00, + + 0x0101, 0x00, 0x00, 0x00, 0x0113, 0x00, 0x00, 0x00, 0x012b, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x014d, 0x00, 0x00, 0x00, 0x00, 0x00, 0x016b, 0x00, 0x00, 0x00, 0x00, 0x00 + ], + + [ + + 0x0102, 0x00, 0x00, 0x00, 0x00, 0x00, 0x011e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x016c, 0x00, 0x00, 0x00, 0x00, 0x00, + + 0x0103, 0x00, 0x00, 0x00, 0x00, 0x00, 0x011f, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x016d, 0x00, 0x00, 0x00, 0x00, 0x00 + ], + + [ + + 0x00, 0x010a, 0x00, 0x0116, 0x00, 0x0120, 0x00, 0x0130, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x017b, + + 0x00, 0x010b, 0x00, 0x0117, 0x00, 0x0121, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x017c + ], + + [ + + 0xc4, 0x00, 0x00, 0x00, 0xcb, 0x00, 0x00, 0x00, 0xcf, 0x00, 0x00, 0x00, 0x00, + 0x00, 0xd6, 0x00, 0x00, 0x00, 0x00, 0x00, 0xdc, 0x00, 0x00, 0x00, 0x0178, 0x00, + + 0xe4, 0x00, 0x00, 0x00, 0xeb, 0x00, 0x00, 0x00, 0xef, 0x00, 0x00, 0x00, 0x00, + 0x00, 0xf6, 0x00, 0x00, 0x00, 0x00, 0x00, 0xfc, 0x00, 0x00, 0x00, 0xff, 0x00 + ], + + [ + 0x00, + ], + + [ + + 0xc5, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x016e, 0x00, 0x00, 0x00, 0x00, 0x00, + + 0xe5, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x016f, 0x00, 0x00, 0x00, 0x00, 0x00 + ], + + [ + + 0x00, 0x00, 0xc7, 0x00, 0x00, 0x00, 0x0122, 0x00, 0x00, 0x00, 0x0136, 0x013b, 0x00, + 0x0145, 0x00, 0x00, 0x00, 0x0156, 0x015e, 0x0162, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + + 0x00, 0x00, 0xe7, 0x00, 0x00, 0x00, 0x0123, 0x00, 0x00, 0x00, 0x0137, 0x013c, 0x00, + 0x0146, 0x00, 0x00, 0x00, 0x0157, 0x015f, 0x0163, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 + ], + + [ + 0x00, + ], + + [ + + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x0150, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0170, 0x00, 0x00, 0x00, 0x00, 0x00, + + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x0151, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0171, 0x00, 0x00, 0x00, 0x00, 0x00 + ], + + [ + + 0x0104, 0x00, 0x00, 0x00, 0x0118, 0x00, 0x00, 0x00, 0x012e, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0172, 0x00, 0x00, 0x00, 0x00, 0x00, + + 0x0105, 0x00, 0x00, 0x00, 0x0119, 0x00, 0x00, 0x00, 0x012f, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0173, 0x00, 0x00, 0x00, 0x00, 0x00 + ], + + [ + + 0x00, 0x00, 0x010c, 0x010e, 0x011a, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x013d, + 0x00, 0x0147, 0x00, 0x00, 0x00, 0x0158, 0x0160, 0x0164, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x017d, + + 0x00, 0x00, 0x010d, 0x010f, 0x011b, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x013e, + 0x00, 0x0148, 0x00, 0x00, 0x00, 0x0159, 0x0161, 0x0165, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x017e + ] +] diff --git a/lib/py/tvh/htsmsg.py b/lib/py/tvh/htsmsg.py new file mode 100644 index 00000000..2c291790 --- /dev/null +++ b/lib/py/tvh/htsmsg.py @@ -0,0 +1,207 @@ +#!/usr/bin/env python +# +# Copyright (C) 2012 Adam Sutton +# +# This program is free software: you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation, version 3 of the License. +# +# 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 . +# +""" +Support for processing HTSMSG binary format +""" + +# ########################################################################### +# Utilities +# ########################################################################### + +def int2bin ( i ): + return chr(i >> 24 & 0xFF) + chr(i >> 16 & 0xFF)\ + + chr(i >> 16 & 0xFF) + chr(i & 0xFF) + +def bin2int ( d ): + return (ord(d[0]) << 24) + (ord(d[1]) << 16)\ + + (ord(d[2]) << 8) + ord(d[3]) + +# ########################################################################### +# HTSMSG Binary handler +# +# Note: this will work with the python native types: +# dict => HMF_MAP +# list => HMF_LIST +# str => HMF_STR +# int => HMF_S64 +# hmf_bin => HMF_BIN +# +# Note: BIN/STR are both equated to str in python +# ########################################################################### + +# HTSMSG types +HMF_MAP = 1 +HMF_S64 = 2 +HMF_STR = 3 +HMF_BIN = 4 +HMF_LIST = 5 + +# Light wrapper for binary type +class hmf_bin(str): + pass + +# Convert python to HTSMSG type +def hmf_type ( f ): + if type(f) == list: + return HMF_MAP + elif type(f) == dict: + return HMF_LIST + elif type(f) == str: + return HMF_STR + elif type(f) == int: + return HMF_S64 + elif type(f) == hmf_bin: + return HMF_BIN + else: + raise Exception('invalid type') + +# Size for field +def _binary_count ( f ): + ret = 0 + if type(f) in [ str, hmf_bin ]: + ret = ret + len(f) + elif type(f) == int: + while (f): + ret = ret + 1 + f = f >> 8 + elif type(f) in [ list, map ]: + ret = ret + binary_count(f) + else: + raise Exception('invalid data type') + return ret + +# Recursively determine size of message +def binary_count ( msg ): + ret = 0 + lst = type(msg) == list + for f in msg: + ret = ret + 6 + if not lst: + ret = ret + len(f) + f = msg[f] + ret = ret + _binary_count(f) + return ret + +# Write out field in binary form +def binary_write ( msg ): + ret = '' + lst = type(msg) == list + for f in msg: + na = '' + if not lst: + na = f + f = msg[f] + ret = ret + chr(hmf_type(f)) + ret = ret + chr(len(na) & 0xFF) + l = _binary_count(f) + ret = ret + int2bin(l) + ret = ret + na + + if type(f) in [ list, dict ]: + ret = ret + binary_write(f) + elif type(f) in [ str, hmf_bin ]: + ret = ret + f + elif type(f) == int: + while f: + ret = ret + chr(f & 0xFF) + f = f >> 8 + else: + raise Exception('invalid type') + return ret + +# Serialize a htsmsg +def serialize ( msg ): + cnt = binary_count(msg) + return int2bin(cnt) + binary_write(msg) + +# Deserialize an htsmsg +def deserialize0 ( data ): + msg = {} + while len(data) > 5: + typ = ord(data[0]) + nlen = ord(data[1]) + dlen = bin2int(data[2:6]) + data = data[6:] + + if len < nlen + dlen: raise Exception('not enough data') + + name = data[:nlen] + data = data[nlen:] + if typ == HMF_STR: + item = data[:dlen] + elif typ == HMF_BIN: + item = hmf_bin(data[:dlen]) + elif typ == HMF_S64: + item = 0 + i = dlen - 1 + while i >= 0: + item = (item << 8) | ord(data[i]) + i = i - 1 + elif typ in [ HMF_LIST, HMF_MAP ]: + item = deserialize0(data[:dlen]) + else: + raise Exception('invalid data type %d' % typ) + msg[name] = item + data = data[dlen:] + return msg + +# Deserialize a series of message +def deserialize ( fp, rec = False ): + class _deserialize: + def __init__ ( self, fp, rec = False ): + self._fp = fp + self._rec = rec + def __iter__ ( self ): + print '__iter__()' + return self + def _read ( self, num ): + r = None + if hasattr(self._fp, 'read'): + r = self._fp.read(num) + elif hasattr(self._fp, 'recv'): + r = self._fp.recv(num) + elif type(self._fp) is list: + r = self._fp[:num] + self._fp = self._fp[num:] + else: + raise Exception('invalid data type') + return r + def next ( self ): + if not self._fp: raise StopIteration() + tmp = self._read(4) + if len(tmp) != 4: + self._fp = None + raise StopIteration() + num = bin2int(tmp) + data = '' + while len(data) < num: + tmp = self._read(num - len(data)) + if not tmp: + raise Exception('failed to read from fp') + data = data + tmp + if not self._rec: self._fp = None + return deserialize0(data) + ret = _deserialize(fp, rec) + if not rec: + ret = ret.next() + return ret + +# ############################################################################ +# Editor Configuration +# +# vim:sts=2:ts=2:sw=2:et +# ############################################################################ diff --git a/lib/py/tvh/htsp.py b/lib/py/tvh/htsp.py new file mode 100644 index 00000000..e023e771 --- /dev/null +++ b/lib/py/tvh/htsp.py @@ -0,0 +1,105 @@ +#!/usr/bin/env python +# +# Copyright (C) 2012 Adam Sutton +# +# This program is free software: you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation, version 3 of the License. +# +# 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 . +# +""" +This is a very simple HTSP client library written in python mainly just +for demonstration purposes. + +Much of the code is pretty rough, but might help people get started +with communicating with HTSP server +""" + +import htsmsg +import log + +# ########################################################################### +# HTSP Client +# ########################################################################### + +HTSP_PROTO_VERSION = 5 + +# Create passwd digest +def htsp_digest ( user, passwd, chal ): + import hashlib + ret = hashlib.sha1(passwd + chal).digest() + return ret + +# Client object +class HTSPClient: + + # Setup connection + def __init__ ( self, addr, name = 'HTSP PyClient' ): + import socket + + # Setup + self._sock = socket.create_connection(addr) + self._name = name + self._auth = None + self._user = None + self._pass = None + + # Send + def send ( self, func, args = {} ): + args['method'] = func + if self._user: args['username'] = self._user + if self._pass: args['digest'] = htsmsg.hmf_bin(self._pass) + log.debug('htsp tx:') + log.debug(args, pretty=True) + self._sock.send(htsmsg.serialize(args)) + + # Receive + def recv ( self ): + ret = htsmsg.deserialize(self._sock, False) + log.debug('htsp rx:') + log.debug(ret, pretty=True) + return ret + + # Setup + def hello ( self ): + args = { + 'htspversion' : HTSP_PROTO_VERSION, + 'clientname' : self._name + } + self.send('hello', args) + resp = self.recv() + + # Validate + if resp['htspversion'] != HTSP_PROTO_VERSION: + raise Exception('version mismatch') + self._auth = resp['challenge'] + + # Return response + return resp + + # Authenticate + def authenticate ( self, user, passwd = None ): + self._user = user + if passwd: + self._pass = htsp_digest(user, passwd, self._auth) + self.send('authenticate') + resp = self.recv() + if 'noaccess' in resp: + raise Exception('Authentication failed') + + # Enable async receive + def enableAsyncMetadata ( self ): + self.send('enableAsyncMetadata') + +# ############################################################################ +# Editor Configuration +# +# vim:sts=2:ts=2:sw=2:et +# ############################################################################ diff --git a/lib/py/tvh/log.py b/lib/py/tvh/log.py new file mode 100644 index 00000000..3a2fc742 --- /dev/null +++ b/lib/py/tvh/log.py @@ -0,0 +1,67 @@ +#!/usr/bin/env python +# +# Copyright (C) 2012 Adam Sutton +# +# This program is free software: you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation, version 3 of the License. +# +# 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 . +# +""" +Some very basic logging routines +""" + +# +# Enable debug +# +DEBUG_LVL = None + +def debug_init ( lvl = None ): + global DEBUG_LVL + DEBUG_LVL = lvl + +# +# Output message +# +def out ( pre, msg, **dargs ): + import sys + import datetime, pprint + now = datetime.datetime.now() + if 'pretty' in dargs and dargs['pretty']: + ind = 2 + if 'indent' in dargs: ind = dargs['indent'] + msg = pprint.pformat(msg, indent=ind, width=70) + out = '%s %-6s: %s\n' % (now.strftime('%F %T'), pre, msg) + sys.stderr.write(out) + +# +# Debug +# +def debug ( msg, lvl=1, **dargs ): + if DEBUG_LVL and lvl <= DEBUG_LVL: + out('DEBUG', msg, **dargs) + +# +# Info +# +def info ( msg, **dargs ): + out('INFO', msg, **dargs) + +# +# Error +# +def error ( msg, **dargs ): + out('ERROR', msg, **dargs) + +# ############################################################################ +# Editor Configuration +# +# vim:sts=2:ts=2:sw=2:et +# ############################################################################ diff --git a/lib/py/tvh/tsreader.py b/lib/py/tvh/tsreader.py new file mode 100644 index 00000000..6de926bc --- /dev/null +++ b/lib/py/tvh/tsreader.py @@ -0,0 +1,209 @@ +from dvb_charset_tables import conv_8859_table + +def str2hex ( s, n = None ): + r = '' + i = 0 + for c in s: + r = r + ('%02X ' % ord(c)) + i = i + 1 + if n is not None and i % n == 0: + r = r + '\n' + return r + +def dvb_convert_date ( data ): + return 0 + +convert_iso_8859 = [ + -1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, -1, 11, 12, 13 +] + + +def encode_utf8 ( c ): + if c <= 0x7f: + return chr(c) + elif c <= 0x7ff: + return unichr((c >> 6 & 0x1f) | 0xc0) + unichr((c & 0x3f) | 0x80) + return '' + +def conv_8859 ( tnum, data ): + r = u'' + print 'TBL %d' % tnum + tbl = conv_8859_table[tnum] + for c in data: + if ord(c) <= 0x7f: + r = r + c + elif ord(c) <= 0x9f: + r = r + ' ' + else: + uc = tbl[ord(c) - 0xa0] + if uc: + r = r + encode_utf8(uc) + return r + + +def dvb_convert_string ( data, conv ): + print 'convert(%d)' % conv + print repr(data) + if not conv: return data + return conv_8859(conv, data) + +class TsPacket: + def __init__ ( self, data ): + #print 'TS Packet:' + #print str2hex(data, 16) + hdr = map(ord, data[:4]) + if hdr[0] != 0x47: + raise Exception('not valid TS packet') + self.tx_err = (hdr[1] & 0x80) == 0x80 + self.pl_init = (hdr[1] & 0x40) == 0x40 + self.tx_prio = (hdr[1] & 0x20) == 0x20 + self.pid = ((hdr[1] & 0x1F) << 8) + hdr[2] + self.tx_scr = (hdr[3] & 0xC0) >> 6 + self.adapt = (hdr[3] & 0x30) >> 4 + self.cont = (hdr[3] & 0x0F) + self.data = data[4:] + +class TsSection: + def __init__ ( self, pid, data ): + hdr = map(ord, data[:3]) + self.pid = pid + self.tid = hdr[0] + self.iscrc = (hdr[1] & 0x80) == 0x80 + self.len = ((hdr[1] & 0x0F) << 8) + hdr[2] + self.data = data[3:] + #print 'TS Section:' + #print hdr + #print self.tid, self.len, len(data) + + def process ( self ): + print 'TS Section:' + print self.tid, self.len, len(self.data) + #print str2hex(self.data, 16) + #print self.data + + # Strip header + hdr = map(ord, self.data[:11]) + plen = self.len - 11 + data = self.data[11:] + #print str2hex(data, 16) + + # Process each event + while plen: + r = self.process_event(data, plen) + if r < 0: break + plen = plen - r + data = data[r:] + + def get_string ( self, data, dlen, charset ): + #print 'get_string():' + #print str2hex(data, 16) + l = ord(data[0]) + if not l: return (None, 0) + #print l, dlen + if l + 1 > dlen: return (None, -1) + c = ord(data[1]) + print c + conv = None + if c == 0: return (None, -1) + elif c <= 0xb: + conv = convert_iso_8859[c + 4] + data = data[1:] + dlen = dlen - 1 + elif c <= 0xf: return (None, -1) + elif c == 0x10: conv = 0 + elif c <= 0x14: return (None, -1) + elif c == 0x15: conv = 0 + elif c <= 0x1f: return (None, -1) + else: + conv = 'default' + s = dvb_convert_string(data[1:1+l], conv) + return (s, l+1) + + def short_event ( self, data, dlen ): + if dlen < 5: return None + lang = data[:3] + (title, l) = self.get_string(data[3:], dlen-3, None) + if l < 0: return None + (sumry, l) = self.get_string(data[3+l:], dlen-3-l, None) + return (title, sumry) + + def process_event ( self, data, elen ): + if (elen < 12): return -1 + + # Get lengths + hdr = map(ord, data[:12]) + dllen = ((hdr[10] & 0x0F) << 8) + hdr[11] + data = data[12:] + elen = elen - 12 + if elen < dllen: return -1 + ret = 12 + dllen + + # Header info + eid = (hdr[0] << 8) + hdr[1] + start = dvb_convert_date(hdr[2:]) + + print 'process event (%d):' % dllen + print ' EID : %d' % eid + print ' START : %d' % start + + while dllen > 2: + dtag = ord(data[0]) + dlen = ord(data[1]) + print 'dtag = 0x%02x, dlen = %d' % (dtag, dlen) + + dllen = dllen - 2 + data = data[2:] + if dllen < dlen: return ret + + if dtag == 0x4d: + (title, summary) = self.short_event(data, dlen) + print ' TITLE : %s' % title + print ' SUMMARY : %s' % summary + + dllen = dllen - dlen + data = data[dlen:] + + return ret + + + + +if __name__ == '__main__': + import os, sys + fp = open(sys.argv[1]) + cur = nxt = None + while True: + pkt = TsPacket(fp.read(188)) + + # Restrict to EIT + if pkt.pid != 0x12: continue + + # Start/End + if pkt.pl_init: + ptr = ord(pkt.data[0]) + if ptr == 0x00: + cur = TsSection(pkt.pid, pkt.data[1:]) + else: + if cur: + cur.data = cur.data + pkt.data[:1+ptr] + nxt = TsSection(pkt.pid, pkt.data[1+ptr:]) + + # Middle + elif cur: + cur.data = cur.data + pkt.data + + # Complete? + if cur: + if len(cur.data) >= cur.len: + print 'Process Section:' + #try: + cur.process() + #except: pass + cur = None + print + sys.exit(0) + else: + print 'waiting for %d bytes' % (cur.len - len(cur.data)) + + # Next + if nxt: cur = nxt diff --git a/support/epgdump b/support/epgdump new file mode 100755 index 00000000..1c440db5 --- /dev/null +++ b/support/epgdump @@ -0,0 +1,38 @@ +#!/usr/bin/env python +# +# Copyright (C) 2012 Adam Sutton +# +# This program is free software: you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation, version 3 of the License. +# +# 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 . +# +""" +Dump EPG in human readable format for analysis +""" + +# System libs +import os, sys +import pprint + +# Tvheadend libs +sys.path.append(os.path.join(os.path.dirname(__file__), '..', 'lib', 'py')) +import tvh.htsmsg as htsmsg + +# Open file +fp = open(sys.argv[1], 'rb') +for msg in htsmsg.deserialize(fp, True): + pprint.pprint(msg, indent=2) + +# ############################################################################ +# Editor Configuration +# +# vim:sts=2:ts=2:sw=2:et +# ############################################################################ diff --git a/support/htspmon b/support/htspmon new file mode 100755 index 00000000..426a8bc7 --- /dev/null +++ b/support/htspmon @@ -0,0 +1,78 @@ +#!/usr/bin/env python +# +# Copyright (C) 2012 Adam Sutton +# +# This program is free software: you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation, version 3 of the License. +# +# 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 . +# +""" +Connect to a HTSP server and monitor the asynchronous traffic +""" + +# System imports +import os, sys, pprint +from optparse import OptionParser + +# System path +sys.path.insert(0, os.path.join(os.path.dirname(__file__), '..', 'lib', 'py')) +import tvh +print sys.path + +# TVH imports +from tvh.htsp import HTSPClient +import tvh.log as log + +try: + + # Command line + optp = OptionParser() + optp.add_option('-t', '--host', default='localhost', + help='Specify HTSP server hostname') + optp.add_option('-o', '--port', default=9982, type='int', + help='Specify HTSP server port') + optp.add_option('-u', '--user', default=None, + help='Specify HTSP authentication username') + optp.add_option('-p', '--passwd', default=None, + help='Specify HTSP authentication password') + (opts, args) = optp.parse_args() + + # Connect + htsp = HTSPClient((opts.host, opts.port)) + msg = htsp.hello() + log.info('connected to %s [%s]' % (msg['servername'], msg['serverversion'])) + + # Authenticate + if opts.user: + htsp.authenticate(opts.user, opts.passwd) + log.info('authenticated as %s' % opts.user) + + # Enable async + htsp.enableAsyncMetadata() + log.info('enabled async data') + + # Process messages + while True: + msg = htsp.recv() + log.info('message:') + log.info(msg, pretty=True) + +except KeyboardInterrupt: pass +except Exception, e: + log.error(e) + sys.exit(1) + +# ############################################################################ +# Editor Configuration +# +# vim:sts=2:ts=2:sw=2:et +# ############################################################################ +