diff options
Diffstat (limited to 'scripts/automation/trex_control_plane/python_lib/dpkt-1.8.6.2/dpkt/pcap.py')
| -rw-r--r-- | scripts/automation/trex_control_plane/python_lib/dpkt-1.8.6.2/dpkt/pcap.py | 172 |
1 files changed, 0 insertions, 172 deletions
diff --git a/scripts/automation/trex_control_plane/python_lib/dpkt-1.8.6.2/dpkt/pcap.py b/scripts/automation/trex_control_plane/python_lib/dpkt-1.8.6.2/dpkt/pcap.py deleted file mode 100644 index c14ba6de..00000000 --- a/scripts/automation/trex_control_plane/python_lib/dpkt-1.8.6.2/dpkt/pcap.py +++ /dev/null @@ -1,172 +0,0 @@ -# $Id: pcap.py 77 2011-01-06 15:59:38Z dugsong $ -# -*- coding: utf-8 -*- -"""Libpcap file format.""" - -import sys -import time -import dpkt - - -TCPDUMP_MAGIC = 0xa1b2c3d4L -PMUDPCT_MAGIC = 0xd4c3b2a1L - -PCAP_VERSION_MAJOR = 2 -PCAP_VERSION_MINOR = 4 - -DLT_NULL = 0 -DLT_EN10MB = 1 -DLT_EN3MB = 2 -DLT_AX25 = 3 -DLT_PRONET = 4 -DLT_CHAOS = 5 -DLT_IEEE802 = 6 -DLT_ARCNET = 7 -DLT_SLIP = 8 -DLT_PPP = 9 -DLT_FDDI = 10 -DLT_PFSYNC = 18 -DLT_IEEE802_11 = 105 -DLT_LINUX_SLL = 113 -DLT_PFLOG = 117 -DLT_IEEE802_11_RADIO = 127 - -if sys.platform.find('openbsd') != -1: - DLT_LOOP = 12 - DLT_RAW = 14 -else: - DLT_LOOP = 108 - DLT_RAW = 12 - -dltoff = {DLT_NULL: 4, DLT_EN10MB: 14, DLT_IEEE802: 22, DLT_ARCNET: 6, - DLT_SLIP: 16, DLT_PPP: 4, DLT_FDDI: 21, DLT_PFLOG: 48, DLT_PFSYNC: 4, - DLT_LOOP: 4, DLT_LINUX_SLL: 16} - - -class PktHdr(dpkt.Packet): - """pcap packet header.""" - __hdr__ = ( - ('tv_sec', 'I', 0), - ('tv_usec', 'I', 0), - ('caplen', 'I', 0), - ('len', 'I', 0), - ) - - -class LEPktHdr(PktHdr): - __byte_order__ = '<' - - -class FileHdr(dpkt.Packet): - """pcap file header.""" - __hdr__ = ( - ('magic', 'I', TCPDUMP_MAGIC), - ('v_major', 'H', PCAP_VERSION_MAJOR), - ('v_minor', 'H', PCAP_VERSION_MINOR), - ('thiszone', 'I', 0), - ('sigfigs', 'I', 0), - ('snaplen', 'I', 1500), - ('linktype', 'I', 1), - ) - - -class LEFileHdr(FileHdr): - __byte_order__ = '<' - - -class Writer(object): - """Simple pcap dumpfile writer.""" - - def __init__(self, fileobj, snaplen=1500, linktype=DLT_EN10MB): - self.__f = fileobj - if sys.byteorder == 'little': - fh = LEFileHdr(snaplen=snaplen, linktype=linktype) - else: - fh = FileHdr(snaplen=snaplen, linktype=linktype) - self.__f.write(str(fh)) - - def writepkt(self, pkt, ts=None): - if ts is None: - ts = time.time() - s = str(pkt) - n = len(s) - if sys.byteorder == 'little': - ph = LEPktHdr(tv_sec=int(ts), - tv_usec=int((float(ts) - int(ts)) * 1000000.0), - caplen=n, len=n) - else: - ph = PktHdr(tv_sec=int(ts), - tv_usec=int((float(ts) - int(ts)) * 1000000.0), - caplen=n, len=n) - self.__f.write(str(ph)) - self.__f.write(s) - - def close(self): - self.__f.close() - - -class Reader(object): - """Simple pypcap-compatible pcap file reader.""" - - def __init__(self, fileobj): - self.name = fileobj.name - self.fd = fileobj.fileno() - self.__f = fileobj - buf = self.__f.read(FileHdr.__hdr_len__) - self.__fh = FileHdr(buf) - self.__ph = PktHdr - if self.__fh.magic == PMUDPCT_MAGIC: - self.__fh = LEFileHdr(buf) - self.__ph = LEPktHdr - elif self.__fh.magic != TCPDUMP_MAGIC: - raise ValueError('invalid tcpdump header') - if self.__fh.linktype in dltoff: - self.dloff = dltoff[self.__fh.linktype] - else: - self.dloff = 0 - self.snaplen = self.__fh.snaplen - self.filter = '' - - def fileno(self): - return self.fd - - def datalink(self): - return self.__fh.linktype - - def setfilter(self, value, optimize=1): - return NotImplementedError - - def readpkts(self): - return list(self) - - def dispatch(self, cnt, callback, *args): - if cnt > 0: - for i in range(cnt): - ts, pkt = self.next() - callback(ts, pkt, *args) - else: - for ts, pkt in self: - callback(ts, pkt, *args) - - def loop(self, callback, *args): - self.dispatch(0, callback, *args) - - def __iter__(self): - self.__f.seek(FileHdr.__hdr_len__) - while 1: - buf = self.__f.read(PktHdr.__hdr_len__) - if not buf: break - hdr = self.__ph(buf) - buf = self.__f.read(hdr.caplen) - yield (hdr.tv_sec + (hdr.tv_usec / 1000000.0), buf) - - -def test_pcap_endian(): - be = '\xa1\xb2\xc3\xd4\x00\x02\x00\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x60\x00\x00\x00\x01' - le = '\xd4\xc3\xb2\xa1\x02\x00\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00\x60\x00\x00\x00\x01\x00\x00\x00' - befh = FileHdr(be) - lefh = LEFileHdr(le) - assert (befh.linktype == lefh.linktype) - -if __name__ == '__main__': - test_pcap_endian() - print 'Tests Successful...'
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