5 Dec
2010
5 Dec
'10
6:01 p.m.
Author: janderwald
Date: Sun Dec 5 18:01:24 2010
New Revision: 49955
URL: http://svn.reactos.org/svn/reactos?rev=49955&view=rev
Log:
[AUDIO-BRINGUP]
- Properly determine the component type and target type of source lines
- Correctly set dwDestination / target type / component member for source lines
Modified:
branches/audio-bringup/lib/drivers/sound/mmixer/controls.c
branches/audio-bringup/lib/drivers/sound/mmixer/midi.c
branches/audio-bringup/lib/drivers/sound/mmixer/mixer.c
branches/audio-bringup/lib/drivers/sound/mmixer/priv.h
Modified: branches/audio-bringup/lib/drivers/sound/mmixer/controls.c
URL:
http://svn.reactos.org/svn/reactos/branches/audio-bringup/lib/drivers/sound…
==============================================================================
--- branches/audio-bringup/lib/drivers/sound/mmixer/controls.c [iso-8859-1] (original)
+++ branches/audio-bringup/lib/drivers/sound/mmixer/controls.c [iso-8859-1] Sun Dec 5
18:01:24 2010
@@ -7,6 +7,26 @@
*/
#include "priv.h"
+
+const GUID KSNODETYPE_DESKTOP_MICROPHONE = {0xDFF21BE2, 0xF70F, 0x11D0, {0xB9, 0x17,
0x00, 0xA0, 0xC9, 0x22, 0x31, 0x96}};
+const GUID KSNODETYPE_LEGACY_AUDIO_CONNECTOR = {0xDFF21FE4, 0xF70F, 0x11D0, {0xB9, 0x17,
0x00, 0xA0, 0xC9, 0x22, 0x31, 0x96}};
+const GUID KSNODETYPE_TELEPHONE = {0xDFF21EE2, 0xF70F, 0x11D0, {0xB9, 0x17, 0x00, 0xA0,
0xC9, 0x22, 0x31, 0x96}};
+const GUID KSNODETYPE_PHONE_LINE = {0xDFF21EE1, 0xF70F, 0x11D0, {0xB9, 0x17, 0x00, 0xA0,
0xC9, 0x22, 0x31, 0x96}};
+const GUID KSNODETYPE_DOWN_LINE_PHONE = {0xDFF21EE3, 0xF70F, 0x11D0, {0xB9, 0x17, 0x00,
0xA0, 0xC9, 0x22, 0x31, 0x96}};
+const GUID KSNODETYPE_DESKTOP_SPEAKER = {0xDFF21CE4, 0xF70F, 0x11D0, {0xB9, 0x17, 0x00,
0xA0, 0xC9, 0x22, 0x31, 0x96}};
+const GUID KSNODETYPE_ROOM_SPEAKER = {0xDFF21CE5, 0xF70F, 0x11D0, {0xB9, 0x17, 0x00,
0xA0, 0xC9, 0x22, 0x31, 0x96}};
+const GUID KSNODETYPE_COMMUNICATION_SPEAKER = {0xDFF21CE6, 0xF70F, 0x11D0, {0xB9,0x17,
0x00, 0xA0, 0xC9, 0x22, 0x31, 0x96}};
+const GUID KSNODETYPE_HEADPHONES = {0xDFF21CE2, 0xF70F, 0x11D0, {0xB9, 0x17, 0x00, 0xA0,
0xC9, 0x22, 0x31, 0x96}};
+const GUID KSNODETYPE_HEAD_MOUNTED_DISPLAY_AUDIO = {0xDFF21CE3, 0xF70F, 0x11D0, {0xB9,
0x17, 0x00, 0xA0, 0xC9, 0x22, 0x31, 0x96}};
+const GUID KSNODETYPE_MICROPHONE = {0xDFF21BE1, 0xF70F, 0x11D0, {0xB9, 0x17, 0x00, 0xA0,
0xC9,0x22, 0x31, 0x96}};
+const GUID KSCATEGORY_AUDIO = {0x6994AD04L, 0x93EF, 0x11D0, {0xA3, 0xCC, 0x00, 0xA0,
0xC9, 0x22, 0x31, 0x96}};
+const GUID KSNODETYPE_SPDIF_INTERFACE = {0xDFF21FE5, 0xF70F, 0x11D0, {0xB9, 0x17, 0x00,
0xA0, 0xC9, 0x22, 0x31, 0x96}};
+const GUID KSNODETYPE_ANALOG_CONNECTOR = {0xDFF21FE1, 0xF70F, 0x11D0, {0xB9, 0x17, 0x00,
0xA0, 0xC9, 0x22, 0x31, 0x96}};
+const GUID KSNODETYPE_SPEAKER = {0xDFF21CE1, 0xF70F, 0x11D0, {0xB9, 0x17, 0x00, 0xA0,
0xC9, 0x22, 0x31, 0x96}};
+const GUID KSNODETYPE_CD_PLAYER = {0xDFF220E3, 0xF70F, 0x11D0, {0xB9, 0x17, 0x00, 0xA0,
0xC9, 0x22, 0x31, 0x96}};
+const GUID KSNODETYPE_SYNTHESIZER = {0xDFF220F3, 0xF70F, 0x11D0, {0xB9, 0x17, 0x00, 0xA0,
0xC9, 0x22, 0x31, 0x96}};
+const GUID KSNODETYPE_LINE_CONNECTOR = {0xDFF21FE3, 0xF70F, 0x11D0, {0xB9, 0x17, 0x00,
0xA0,0xC9, 0x22, 0x31, 0x96}};
+const GUID PINNAME_VIDEO_CAPTURE = {0xfb6c4281, 0x353, 0x11d1, {0x90, 0x5f, 0x0, 0x0,
0xc0, 0xcc, 0x16, 0xba}};
MIXER_STATUS
MMixerAddMixerControl(
@@ -528,6 +548,204 @@
}
MIXER_STATUS
+MMixerGetComponentAndTargetType(
+ IN PMIXER_CONTEXT MixerContext,
+ IN OUT LPMIXER_INFO MixerInfo,
+ IN ULONG PinId,
+ OUT PULONG ComponentType,
+ OUT PULONG TargetType)
+{
+ KSPIN_DATAFLOW DataFlow;
+ KSPIN_COMMUNICATION Communication;
+ MIXER_STATUS Status;
+ KSP_PIN Request;
+ ULONG BytesReturned;
+ GUID Guid;
+ BOOLEAN BridgePin = FALSE;
+ PKSPIN_PHYSICALCONNECTION Connection;
+
+ /* first dataflow type */
+ Status = MMixerGetPinDataFlowAndCommunication(MixerContext, MixerInfo->hMixer,
PinId, &DataFlow, &Communication);
+
+ if (Status != MM_STATUS_SUCCESS)
+ {
+ /* failed to get dataflow */
+ return Status;
+ }
+
+ /* now get pin category guid */
+ Request.PinId = PinId;
+ Request.Reserved = 0;
+ Request.Property.Flags = KSPROPERTY_TYPE_GET;
+ Request.Property.Set = KSPROPSETID_Pin;
+ Request.Property.Id = KSPROPERTY_PIN_CATEGORY;
+
+
+ /* get pin category */
+ Status = MixerContext->Control(MixerInfo->hMixer, IOCTL_KS_PROPERTY,
(PVOID)&Request, sizeof(KSP_PIN), &Guid, sizeof(GUID), &BytesReturned);
+ if (Status != MM_STATUS_SUCCESS)
+ {
+ /* failed to get dataflow */
+ return Status;
+ }
+
+ /* check if it has a physical connection */
+ Status = MMixerGetPhysicalConnection(MixerContext, MixerInfo->hMixer, PinId,
&Connection);
+ if (Status == MM_STATUS_SUCCESS)
+ {
+ /* pin is a brige pin */
+ BridgePin = TRUE;
+
+ /* free physical connection */
+ MixerContext->Free(Connection);
+ }
+
+ if (DataFlow == KSPIN_DATAFLOW_IN)
+ {
+ if (IsEqualGUIDAligned(&Guid, &KSNODETYPE_MICROPHONE) ||
+ IsEqualGUIDAligned(&Guid, &KSNODETYPE_DESKTOP_MICROPHONE))
+ {
+ /* type microphone */
+ *TargetType = MIXERLINE_TARGETTYPE_WAVEIN;
+ *ComponentType = MIXERLINE_COMPONENTTYPE_SRC_MICROPHONE;
+ }
+ else if (IsEqualGUIDAligned(&Guid, &KSNODETYPE_LEGACY_AUDIO_CONNECTOR)
||
+ IsEqualGUIDAligned(&Guid, &KSCATEGORY_AUDIO) ||
+ IsEqualGUIDAligned(&Guid, &KSNODETYPE_SPEAKER))
+ {
+ /* type waveout */
+ *TargetType = MIXERLINE_TARGETTYPE_WAVEOUT;
+ *ComponentType = MIXERLINE_COMPONENTTYPE_SRC_WAVEOUT;
+ }
+ else if (IsEqualGUIDAligned(&Guid, &KSNODETYPE_CD_PLAYER))
+ {
+ /* type cd player */
+ *TargetType = MIXERLINE_TARGETTYPE_UNDEFINED;
+ *ComponentType = MIXERLINE_COMPONENTTYPE_SRC_COMPACTDISC;
+ }
+ else if (IsEqualGUIDAligned(&Guid, &KSNODETYPE_SYNTHESIZER))
+ {
+ /* type synthesizer */
+ *TargetType = MIXERLINE_TARGETTYPE_MIDIOUT;
+ *ComponentType = MIXERLINE_COMPONENTTYPE_SRC_SYNTHESIZER;
+ }
+ else if (IsEqualGUIDAligned(&Guid, &KSNODETYPE_LINE_CONNECTOR))
+ {
+ /* type line */
+ *TargetType = MIXERLINE_TARGETTYPE_UNDEFINED;
+ *ComponentType = MIXERLINE_COMPONENTTYPE_SRC_LINE;
+ }
+ else if (IsEqualGUIDAligned(&Guid, &KSNODETYPE_TELEPHONE) ||
+ IsEqualGUIDAligned(&Guid, &KSNODETYPE_PHONE_LINE) ||
+ IsEqualGUIDAligned(&Guid, &KSNODETYPE_DOWN_LINE_PHONE))
+ {
+ /* type telephone */
+ *TargetType = MIXERLINE_TARGETTYPE_UNDEFINED;
+ *ComponentType = MIXERLINE_COMPONENTTYPE_SRC_TELEPHONE;
+ }
+ else if (IsEqualGUIDAligned(&Guid, &KSNODETYPE_ANALOG_CONNECTOR))
+ {
+ /* type analog */
+ if (BridgePin)
+ *TargetType = MIXERLINE_TARGETTYPE_WAVEIN;
+ else
+ *TargetType = MIXERLINE_TARGETTYPE_WAVEOUT;
+
+ *ComponentType = MIXERLINE_COMPONENTTYPE_SRC_ANALOG;
+ }
+ else if (IsEqualGUIDAligned(&Guid, &KSNODETYPE_SPDIF_INTERFACE))
+ {
+ /* type analog */
+ if (BridgePin)
+ *TargetType = MIXERLINE_TARGETTYPE_WAVEIN;
+ else
+ *TargetType = MIXERLINE_TARGETTYPE_WAVEOUT;
+
+ *ComponentType = MIXERLINE_COMPONENTTYPE_SRC_DIGITAL;
+ }
+ else
+ {
+ /* unknown type */
+ *TargetType = MIXERLINE_TARGETTYPE_UNDEFINED;
+ *ComponentType = MIXERLINE_COMPONENTTYPE_SRC_UNDEFINED;
+ DPRINT1("Unknown Category for PinId %lu BridgePin %lu\n", PinId,
BridgePin);
+ }
+ }
+ else
+ {
+ if (IsEqualGUIDAligned(&Guid, &KSNODETYPE_SPEAKER) ||
+ IsEqualGUIDAligned(&Guid, &KSNODETYPE_DESKTOP_SPEAKER) ||
+ IsEqualGUIDAligned(&Guid, &KSNODETYPE_ROOM_SPEAKER) ||
+ IsEqualGUIDAligned(&Guid, &KSNODETYPE_COMMUNICATION_SPEAKER))
+ {
+ /* type waveout */
+ *TargetType = MIXERLINE_TARGETTYPE_WAVEOUT;
+ *ComponentType = MIXERLINE_COMPONENTTYPE_DST_SPEAKERS;
+ }
+ else if (IsEqualGUIDAligned(&Guid, &KSCATEGORY_AUDIO) ||
+ IsEqualGUIDAligned(&Guid, &PINNAME_CAPTURE))
+ {
+ /* type wavein */
+ *TargetType = MIXERLINE_TARGETTYPE_WAVEIN;
+ *ComponentType = MIXERLINE_COMPONENTTYPE_DST_WAVEIN;
+ }
+ else if (IsEqualGUIDAligned(&Guid, &KSNODETYPE_HEADPHONES) ||
+ IsEqualGUIDAligned(&Guid,
&KSNODETYPE_HEAD_MOUNTED_DISPLAY_AUDIO))
+ {
+ /* type head phones */
+ *TargetType = MIXERLINE_TARGETTYPE_WAVEOUT;
+ *ComponentType = MIXERLINE_COMPONENTTYPE_DST_HEADPHONES;
+ }
+ else if (IsEqualGUIDAligned(&Guid, &KSNODETYPE_TELEPHONE) ||
+ IsEqualGUIDAligned(&Guid, &KSNODETYPE_PHONE_LINE) ||
+ IsEqualGUIDAligned(&Guid, &KSNODETYPE_DOWN_LINE_PHONE))
+ {
+ /* type waveout */
+ *TargetType = MIXERLINE_TARGETTYPE_UNDEFINED;
+ *ComponentType = MIXERLINE_COMPONENTTYPE_DST_TELEPHONE;
+ }
+ else if (IsEqualGUIDAligned(&Guid, &KSNODETYPE_ANALOG_CONNECTOR))
+ {
+ /* type analog */
+ if (BridgePin)
+ {
+ *TargetType = MIXERLINE_TARGETTYPE_WAVEOUT;
+ *ComponentType = MIXERLINE_COMPONENTTYPE_DST_SPEAKERS;
+ }
+ else
+ {
+ *TargetType = MIXERLINE_TARGETTYPE_WAVEIN;
+ *ComponentType = MIXERLINE_COMPONENTTYPE_DST_WAVEIN;
+ }
+ }
+ else if (IsEqualGUIDAligned(&Guid, &KSNODETYPE_SPDIF_INTERFACE))
+ {
+ /* type spdif */
+ if (BridgePin)
+ {
+ *TargetType = MIXERLINE_TARGETTYPE_WAVEOUT;
+ *ComponentType = MIXERLINE_COMPONENTTYPE_DST_SPEAKERS;
+ }
+ else
+ {
+ *TargetType = MIXERLINE_TARGETTYPE_WAVEIN;
+ *ComponentType = MIXERLINE_COMPONENTTYPE_DST_WAVEIN;
+ }
+ }
+ else
+ {
+ /* unknown type */
+ *TargetType = MIXERLINE_TARGETTYPE_UNDEFINED;
+ *ComponentType = MIXERLINE_COMPONENTTYPE_DST_UNDEFINED;
+ DPRINT1("Unknown Category for PinId %lu BridgePin %lu\n", PinId,
BridgePin);
+ }
+ }
+
+ /* done */
+ return MM_STATUS_SUCCESS;
+}
+
+MIXER_STATUS
MMixerBuildMixerSourceLine(
IN PMIXER_CONTEXT MixerContext,
IN OUT LPMIXER_INFO MixerInfo,
@@ -541,6 +759,16 @@
LPMIXERLINE_EXT SrcLine, DstLine;
LPWSTR PinName;
MIXER_STATUS Status;
+ ULONG ComponentType, TargetType;
+
+ /* get component and target type */
+ Status = MMixerGetComponentAndTargetType(MixerContext, MixerInfo, PinId,
&ComponentType, &TargetType);
+ if (Status != MM_STATUS_SUCCESS)
+ {
+ /* failed to get component status */
+ TargetType = MIXERLINE_TARGETTYPE_UNDEFINED;
+ ComponentType = MIXERLINE_COMPONENTTYPE_DST_UNDEFINED;
+ }
/* construct source line */
SrcLine = (LPMIXERLINE_EXT)MixerContext->Alloc(sizeof(MIXERLINE_EXT));
@@ -562,14 +790,15 @@
/* initialize mixer line */
SrcLine->Line.cbStruct = sizeof(MIXERLINEW);
- SrcLine->Line.dwDestination = 0;
+ SrcLine->Line.dwDestination = MixerInfo->MixCaps.cDestinations-1;
SrcLine->Line.dwSource = DstLine->Line.cConnections;
SrcLine->Line.dwLineID = (DstLine->Line.cConnections * SOURCE_LINE)+
(MixerInfo->MixCaps.cDestinations-1);
SrcLine->Line.fdwLine = MIXERLINE_LINEF_ACTIVE | MIXERLINE_LINEF_SOURCE;
+ SrcLine->Line.dwComponentType = ComponentType;
SrcLine->Line.dwUser = 0;
SrcLine->Line.cChannels = DstLine->Line.cChannels;
SrcLine->Line.cConnections = 0;
- SrcLine->Line.Target.dwType = 1;
+ SrcLine->Line.Target.dwType = TargetType;
SrcLine->Line.Target.dwDeviceID = DstLine->Line.Target.dwDeviceID;
SrcLine->Line.Target.wMid = MixerInfo->MixCaps.wMid;
SrcLine->Line.Target.wPid = MixerInfo->MixCaps.wPid;
Modified: branches/audio-bringup/lib/drivers/sound/mmixer/midi.c
URL:
http://svn.reactos.org/svn/reactos/branches/audio-bringup/lib/drivers/sound…
==============================================================================
--- branches/audio-bringup/lib/drivers/sound/mmixer/midi.c [iso-8859-1] (original)
+++ branches/audio-bringup/lib/drivers/sound/mmixer/midi.c [iso-8859-1] Sun Dec 5
18:01:24 2010
@@ -11,7 +11,7 @@
MIXER_STATUS
MMixerGetPinDataFlowAndCommunication(
IN PMIXER_CONTEXT MixerContext,
- IN LPMIXER_DATA MixerData,
+ IN HANDLE hDevice,
IN ULONG PinId,
OUT PKSPIN_DATAFLOW DataFlow,
OUT PKSPIN_COMMUNICATION Communication)
@@ -28,7 +28,7 @@
Pin.Property.Set = KSPROPSETID_Pin;
/* get pin dataflow */
- Status = MixerContext->Control(MixerData->hDevice, IOCTL_KS_PROPERTY,
(PVOID)&Pin, sizeof(KSP_PIN), (PVOID)DataFlow, sizeof(KSPIN_DATAFLOW),
&BytesReturned);
+ Status = MixerContext->Control(hDevice, IOCTL_KS_PROPERTY, (PVOID)&Pin,
sizeof(KSP_PIN), (PVOID)DataFlow, sizeof(KSPIN_DATAFLOW), &BytesReturned);
if (Status != MM_STATUS_SUCCESS)
{
/* failed to retrieve dataflow */
@@ -39,7 +39,7 @@
Pin.Property.Id = KSPROPERTY_PIN_COMMUNICATION;
/* get pin communication */
- Status = MixerContext->Control(MixerData->hDevice, IOCTL_KS_PROPERTY,
(PVOID)&Pin, sizeof(KSP_PIN), (PVOID)Communication, sizeof(KSPIN_COMMUNICATION),
&BytesReturned);
+ Status = MixerContext->Control(hDevice, IOCTL_KS_PROPERTY, (PVOID)&Pin,
sizeof(KSP_PIN), (PVOID)Communication, sizeof(KSPIN_COMMUNICATION), &BytesReturned);
return Status;
}
@@ -142,7 +142,7 @@
IsEqualGUIDAligned(&DataRange->Specifier,
&KSDATAFORMAT_SPECIFIER_NONE))
{
/* pin supports midi datarange */
- if (MMixerGetPinDataFlowAndCommunication(MixerContext, MixerData, PinId,
&DataFlow, &Communication) == MM_STATUS_SUCCESS)
+ if (MMixerGetPinDataFlowAndCommunication(MixerContext, MixerData->hDevice,
PinId, &DataFlow, &Communication) == MM_STATUS_SUCCESS)
{
if (DataFlow == KSPIN_DATAFLOW_IN && Communication ==
KSPIN_COMMUNICATION_SINK)
{
Modified: branches/audio-bringup/lib/drivers/sound/mmixer/mixer.c
URL:
http://svn.reactos.org/svn/reactos/branches/audio-bringup/lib/drivers/sound…
==============================================================================
--- branches/audio-bringup/lib/drivers/sound/mmixer/mixer.c [iso-8859-1] (original)
+++ branches/audio-bringup/lib/drivers/sound/mmixer/mixer.c [iso-8859-1] Sun Dec 5
18:01:24 2010
@@ -550,9 +550,9 @@
IN PMIXER_CONTEXT MixerContext,
IN PMIXER_LIST MixerList)
{
- ULONG Index, SubIndex, DestinationLineID;
+ ULONG Index, SubIndex, DestinationLineID, SrcIndex;
LPMIXER_INFO MixerInfo;
- LPMIXERLINE_EXT DstMixerLine;
+ LPMIXERLINE_EXT DstMixerLine, SrcMixerLine;
DPRINT1("MixerList %p\n", MixerList);
DPRINT1("MidiInCount %lu\n", MixerList->MidiInListCount);
@@ -601,6 +601,36 @@
DPRINT1("Target.vDriverVersion %lx\n",
DstMixerLine->Line.Target.vDriverVersion);
DPRINT1("Target.wMid %lx\n", DstMixerLine->Line.Target.wMid );
DPRINT1("Target.wPid %lx\n", DstMixerLine->Line.Target.wPid);
+
+
+ for(SrcIndex = 0; SrcIndex < DstMixerLine->Line.cConnections;
SrcIndex++)
+ {
+ /* calculate destination line id */
+ DestinationLineID = (SOURCE_LINE * SrcIndex) + SubIndex;
+
+ /* get source line */
+ SrcMixerLine = MMixerGetSourceMixerLineByLineId(MixerInfo,
DestinationLineID);
+ DPRINT1("\n");
+ DPRINT1("SourceIndex: %lu\n", SrcIndex);
+ DPRINT1("\n");
+ DPRINT1("cChannels %lu\n", SrcMixerLine->Line.cChannels);
+ DPRINT1("cConnections %lu\n",
SrcMixerLine->Line.cConnections);
+ DPRINT1("cControls %lu\n", SrcMixerLine->Line.cControls);
+ DPRINT1("dwComponentType %lx\n",
SrcMixerLine->Line.dwComponentType);
+ DPRINT1("dwDestination %lu\n",
SrcMixerLine->Line.dwDestination);
+ DPRINT1("dwLineID %lx\n", SrcMixerLine->Line.dwLineID);
+ DPRINT1("dwSource %lx\n", SrcMixerLine->Line.dwSource);
+ DPRINT1("dwUser %lu\n", SrcMixerLine->Line.dwUser);
+ DPRINT1("fdwLine %lu\n", SrcMixerLine->Line.fdwLine);
+ DPRINT1("szName %S\n", SrcMixerLine->Line.szName);
+ DPRINT1("szShortName %S\n",
SrcMixerLine->Line.szShortName);
+ DPRINT1("Target.dwDeviceId %lu\n",
SrcMixerLine->Line.Target.dwDeviceID);
+ DPRINT1("Target.dwType %lu\n",
SrcMixerLine->Line.Target.dwType);
+ DPRINT1("Target.szName %S\n",
SrcMixerLine->Line.Target.szPname);
+ DPRINT1("Target.vDriverVersion %lx\n",
SrcMixerLine->Line.Target.vDriverVersion);
+ DPRINT1("Target.wMid %lx\n", SrcMixerLine->Line.Target.wMid
);
+ DPRINT1("Target.wPid %lx\n",
SrcMixerLine->Line.Target.wPid);
+ }
}
}
}
Modified: branches/audio-bringup/lib/drivers/sound/mmixer/priv.h
URL:
http://svn.reactos.org/svn/reactos/branches/audio-bringup/lib/drivers/sound…
==============================================================================
--- branches/audio-bringup/lib/drivers/sound/mmixer/priv.h [iso-8859-1] (original)
+++ branches/audio-bringup/lib/drivers/sound/mmixer/priv.h [iso-8859-1] Sun Dec 5
18:01:24 2010
@@ -349,6 +349,14 @@
IN OUT PKSPIN_CONNECT PinConnect,
IN ULONG PinId);
+MIXER_STATUS
+MMixerGetPinDataFlowAndCommunication(
+ IN PMIXER_CONTEXT MixerContext,
+ IN HANDLE hDevice,
+ IN ULONG PinId,
+ OUT PKSPIN_DATAFLOW DataFlow,
+ OUT PKSPIN_COMMUNICATION Communication);
+
/* topology.c */