14#include "ns3/packet.h"
15#include "ns3/simulator.h"
34 "The transmission data rate to be provided to devices connected to the channel",
38 .AddAttribute(
"Delay",
39 "Transmission delay through the channel",
80 if (it->devicePtr == device)
126 NS_LOG_WARN(
"CsmaChannel::Detach(): Device is already detached (" << deviceId <<
")");
134 NS_LOG_WARN(
"CsmaChannel::Detach(): Device is currently"
135 <<
"transmitting (" << deviceId <<
")");
154 if ((it->devicePtr == device) && (it->active))
171 NS_LOG_WARN(
"CsmaChannel::TransmitStart(): State is not IDLE");
178 "CsmaChannel::TransmitStart(): Seclected source is not currently attached to network");
208 NS_LOG_ERROR(
"CsmaChannel::TransmitEnd(): Seclected source was detached before the end of "
249 int numActDevices = 0;
257 return numActDevices;
278 if (it->devicePtr == device)
Abstract Channel Base Class.
~CsmaChannel() override
Destroy a CsmaChannel.
Ptr< CsmaNetDevice > GetCsmaDevice(std::size_t i) const
uint32_t GetNumActDevices()
DataRate m_bps
The assigned data rate of the channel.
DataRate GetDataRate()
Get the assigned data rate of the channel.
bool Reattach(uint32_t deviceId)
Reattach a previously detached net device to the channel.
bool IsActive(uint32_t deviceId)
Indicates if a net device is currently attached or detached from the channel.
Time GetDelay()
Get the assigned speed-of-light delay of the channel.
int32_t GetDeviceNum(Ptr< CsmaNetDevice > device)
bool TransmitEnd()
Indicates that the net device has finished transmitting the packet over the channel.
Time m_delay
The assigned speed-of-light delay of the channel.
Ptr< const Packet > m_currentPkt
The Packet that is currently being transmitted on the channel (or last packet to have been transmitte...
bool TransmitStart(Ptr< const Packet > p, uint32_t srcId)
Start transmitting a packet over the channel.
static TypeId GetTypeId()
Get the type ID.
WireState m_state
Current state of the channel.
CsmaChannel()
Create a CsmaChannel.
bool Detach(Ptr< CsmaNetDevice > device)
Detach a given netdevice from this channel.
std::vector< CsmaDeviceRec > m_deviceList
List of the net devices that have been or are currently connected to the channel.
void PropagationCompleteEvent()
Indicates that the channel has finished propagating the current packet.
int32_t Attach(Ptr< CsmaNetDevice > device)
Attach a given netdevice to this channel.
Ptr< NetDevice > GetDevice(std::size_t i) const override
bool IsBusy()
Indicates if the channel is busy.
uint32_t m_currentSrc
Device Id of the source that is currently transmitting on the channel.
std::size_t GetNDevices() const override
Ptr< CsmaNetDevice > devicePtr
Pointer to the net device.
bool active
Is net device enabled to TX/RX.
void Receive(Ptr< const Packet > p, Ptr< CsmaNetDevice > sender)
Receive a packet from a connected CsmaChannel.
Class for representing data rates.
AttributeValue implementation for DataRate.
uint64_t GetUid() const
Returns the packet's Uid.
Smart pointer class similar to boost::intrusive_ptr.
static EventId Schedule(const Time &delay, FUNC f, Ts &&... args)
Schedule an event to expire after delay.
static void ScheduleWithContext(uint32_t context, const Time &delay, FUNC f, Ts &&... args)
Schedule an event with the given context.
Simulation virtual time values and global simulation resolution.
TimeWithUnit As(const Unit unit=Time::AUTO) const
Attach a unit to a Time, to facilitate output in a specific unit.
AttributeValue implementation for Time.
a unique identifier for an interface.
TypeId SetParent(TypeId tid)
Set the parent TypeId.
#define NS_ASSERT(condition)
At runtime, in debugging builds, if this condition is not true, the program prints the source file,...
Ptr< const AttributeAccessor > MakeDataRateAccessor(T1 a1)
Create an AttributeAccessor for a class data member, or a lone class get functor or set method.
Ptr< const AttributeChecker > MakeDataRateChecker()
Ptr< const AttributeAccessor > MakeTimeAccessor(T1 a1)
Create an AttributeAccessor for a class data member, or a lone class get functor or set method.
Ptr< const AttributeChecker > MakeTimeChecker()
Helper to make an unbounded Time checker.
#define NS_LOG_ERROR(msg)
Use NS_LOG to output a message of level LOG_ERROR.
#define NS_LOG_COMPONENT_DEFINE(name)
Define a Log component with a specific name.
#define NS_LOG_LOGIC(msg)
Use NS_LOG to output a message of level LOG_LOGIC.
#define NS_LOG_FUNCTION_NOARGS()
Output the name of the function.
#define NS_LOG_FUNCTION(parameters)
If log level LOG_FUNCTION is enabled, this macro will output all input parameters separated by ",...
#define NS_LOG_WARN(msg)
Use NS_LOG to output a message of level LOG_WARN.
#define NS_LOG_INFO(msg)
Use NS_LOG to output a message of level LOG_INFO.
#define NS_OBJECT_ENSURE_REGISTERED(type)
Register an Object subclass with the TypeId system.
Time Seconds(double value)
Construct a Time in the indicated unit.
Every class exported by the ns3 library is enclosed in the ns3 namespace.
WireState
Current state of the channel.
@ TRANSMITTING
Channel is BUSY, a packet is being written by a net device.
@ PROPAGATING
Channel is BUSY, packet is propagating to all attached net devices.
@ IDLE
Channel is IDLE, no packet is being transmitted.