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git-svn-id: http://wush.net/svn/range/software/public/openbts/trunk@6168 19bc5d8c-e614-43d4-8b26-e1612bc8e597
This commit is contained in:
Kurtis Heimerl
2013-08-14 00:52:14 +00:00
parent 1baba59e14
commit 5289a229d9
219 changed files with 42413 additions and 4213 deletions
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58
GSM/GSMTransfer.h
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@@ -1,24 +1,14 @@
/*
* Copyright 2008 Free Software Foundation, Inc.
*
* This software is distributed under the terms of the GNU Affero Public License.
* See the COPYING file in the main directory for details.
* This software is distributed under multiple licenses; see the COPYING file in the main directory for licensing information for this specific distribuion.
*
* This use of this software may be subject to additional restrictions.
* See the LEGAL file in the main directory for details.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Affero General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
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 Affero General Public License for more details.
You should have received a copy of the GNU Affero General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
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.
*/
@@ -27,6 +17,7 @@
#ifndef GSMTRANSFER_H
#define GSMTRANSFER_H
#include "Defines.h"
#include "Interthread.h"
#include "BitVector.h"
#include "GSMCommon.h"
@@ -68,7 +59,8 @@ enum Primitive {
DATA, ///< multiframe data transfer
UNIT_DATA, ///< datagram-type data transfer
ERROR, ///< channel error
HARDRELEASE ///< forced release after an assignment
HARDRELEASE, ///< forced release after an assignment
HANDOVER_ACCESS ///< received inbound handover access burst
};
@@ -106,6 +98,7 @@ class TxBurst : public BitVector {
/**@name Basic accessors. */
//@{
// Since mTime is volatile, we can't return a reference.
Time time() const { return mTime; }
void time(const Time& wTime) { mTime = wTime; }
//@}
@@ -169,6 +162,7 @@ class RxBurst : public SoftVector {
{ }
// Since mTime is volatile, we can't return a reference.
Time time() const { return mTime; }
void time(const Time& wTime) { mTime = wTime; }
@@ -286,7 +280,7 @@ class L2Control {
/** Initialize a U or S frame. */
L2Control(ControlFormat wFormat=UFormat, unsigned wPF=0, unsigned bits=0)
:mFormat(wFormat),mPF(wPF),mSBits(bits),mUBits(bits)
:mFormat(wFormat),mNR(0),mNS(0),mPF(wPF),mSBits(bits),mUBits(bits)
{
assert(mFormat!=IFormat);
assert(mPF<2);
@@ -472,6 +466,9 @@ class L2Frame : public BitVector {
public:
void randomizeFiller(unsigned start);
void randomizeFiller(const L2Header& header);
/** Fill the frame with the GSM idle pattern, GSM 04.06 2.2. */
void idleFill();
@@ -498,7 +495,7 @@ class L2Frame : public BitVector {
The L3Frame must fit in the L2Frame.
The primitive is DATA.
*/
L2Frame(const L2Header&, const BitVector&);
L2Frame(const L2Header&, const BitVector&, bool noran=false);
/**
Make an L2Frame from a header with no payload.
@@ -534,7 +531,10 @@ class L2Frame : public BitVector {
/** Set/clear the PF bit. */
void PF(bool wPF) { mStart[8+3]=wPF; }
/** Look into the header and get the length of the payload. */
/**
Look into the header and get the length of the payload.
Assumes A or B header, or B4 header with L2 pseudo length in L3.
*/
unsigned L() const { return peekField(8*2,6); }
/** Get the "more data" bit (M). */
@@ -551,6 +551,9 @@ class L2Frame : public BitVector {
/** Return the CR bit, GSM 04.06 3.3.2. Assumes A or B header. */
bool CR() const { return mStart[6] & 0x01; }
/** Set/clear the CR bit. */
void CR(bool wCR) { mStart[6]=wCR; }
/** Return truw if this a DCCH idle frame. */
bool DCCHIdle() const
@@ -567,13 +570,16 @@ class L2Frame : public BitVector {
};
/** Return a reference to the standard LAPDm downlink idle frame. */
const L2Frame& L2IdleFrame();
std::ostream& operator<<(std::ostream& os, const L2Frame& msg);
typedef InterthreadQueueWithWait<L2Frame> L2FrameFIFO;
/**
Representation of a GSM L3 message in a bit vector.
Bit ordering is MSB-first in each octet.
@@ -602,7 +608,7 @@ class L3Frame : public BitVector {
L3Frame(const L3Frame& f1, const L3Frame& f2)
:BitVector(f1,f2),mPrimitive(DATA),
mL2Length(f1.mL2Length + f2.mL2Length)
{}
{ }
/** Build from an L2Frame. */
L3Frame(const L2Frame& source)
@@ -625,7 +631,7 @@ class L3Frame : public BitVector {
/** Message Type Indicator, GSM 04.08 10.4. */
unsigned MTI() const { return peekField(8,8); }
/** TI value, GSM 04.07 11.2.3.1.3. */
/** TI (transaction Identifier) value, GSM 04.07 11.2.3.1.3. */
unsigned TI() const { return peekField(0,4); }
/** Return the associated primitive. */
@@ -646,13 +652,18 @@ class L3Frame : public BitVector {
std::ostream& operator<<(std::ostream& os, const L3Frame&);
typedef InterthreadQueue<L3Frame> L3FrameFIFO;
/** A vocoder frame for use in GSM/SIP contexts. */
/**
A vocoder frame for use in GSM/SIP contexts.
This is based on RFC-3551 Section 4.5.8.1.
Note the 4-bit pad at the start of the frame, filled with b1101 (0xd).
*/
class VocoderFrame : public BitVector {
public:
@@ -666,7 +677,10 @@ class VocoderFrame : public BitVector {
:BitVector(264)
{ unpack(src); }
/** Non-const form returns an alias. */
BitVector payload() { return tail(4); }
/** Const form returns a copy. */
const BitVector payload() const { return tail(4); }
};