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Make that an arbitrary tag to identify persistent taps...

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This commit is contained in:
Adam Ierymenko 2013-08-21 08:13:48 -04:00
parent dbb509a302
commit 2536352e5d
4 changed files with 9 additions and 4 deletions
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4
node/EthernetTap.cpp
View File

@ -146,9 +146,9 @@ static Mutex __tapCreateLock;
#ifdef __LINUX__
EthernetTap::EthernetTap(
const RuntimeEnvironment *renv,
const char *tag,
const MAC &mac,
unsigned int mtu,
const char *desc,
void (*handler)(void *,const MAC &,const MAC &,unsigned int,const Buffer<4096> &),
void *arg)
throw(std::runtime_error) :
@ -247,9 +247,9 @@ EthernetTap::EthernetTap(
#ifdef __APPLE__
EthernetTap::EthernetTap(
const RuntimeEnvironment *renv,
const char *tag,
const MAC &mac,
unsigned int mtu,
const char *desc,
void (*handler)(void *,const MAC &,const MAC &,unsigned int,const Buffer<4096> &),
void *arg)
throw(std::runtime_error) :

3
node/EthernetTap.hpp
View File

@ -60,6 +60,7 @@ public:
* Handler arguments: arg,from,to,etherType,data
*
* @param renv Runtime environment
* @param tag A tag used to identify persistent taps at the OS layer (e.g. nwid in hex)
* @param mac MAC address of device
* @param mtu MTU of device
* @param desc If non-NULL, a description (not used on all OSes)
@ -69,9 +70,9 @@ public:
*/
EthernetTap(
const RuntimeEnvironment *renv,
const char *tag,
const MAC &mac,
unsigned int mtu,
const char *desc,
void (*handler)(void *,const MAC &,const MAC &,unsigned int,const Buffer<4096> &),
void *arg)
throw(std::runtime_error);

5
node/Network.cpp
View File

@ -139,6 +139,9 @@ Network::~Network()
SharedPtr<Network> Network::newInstance(const RuntimeEnvironment *renv,uint64_t id)
throw(std::runtime_error)
{
char tag[32];
sprintf(tag,"%.16llx",(unsigned long long)id);
// We construct Network via a static method to ensure that it is immediately
// wrapped in a SharedPtr<>. Otherwise if there is traffic on the Ethernet
// tap device, a SharedPtr<> wrap can occur in the Ethernet frame handler
@ -150,7 +153,7 @@ SharedPtr<Network> Network::newInstance(const RuntimeEnvironment *renv,uint64_t
nw->_rlLimit.bytesPerSecond = ZT_MULTICAST_DEFAULT_BYTES_PER_SECOND;
nw->_rlLimit.maxBalance = ZT_MULTICAST_DEFAULT_RATE_MAX_BALANCE;
nw->_rlLimit.minBalance = ZT_MULTICAST_DEFAULT_RATE_MIN_BALANCE;
nw->_tap = new EthernetTap(renv,renv->identity.address().toMAC(),ZT_IF_MTU,(const char *)0,&_CBhandleTapData,nw.ptr());
nw->_tap = new EthernetTap(renv,tag,renv->identity.address().toMAC(),ZT_IF_MTU,&_CBhandleTapData,nw.ptr());
nw->_id = id;
nw->_lastConfigUpdate = 0;
nw->_destroyOnDelete = false;

1
node/Utils.hpp
View File

@ -118,6 +118,7 @@ public:
* @return Number of characters actually written
*/
static unsigned int unhex(const char *hex,void *buf,unsigned int len);
static inline unsigned int unhex(const std::string &hex,void *buf,unsigned int len) { return unhex(hex.c_str(),buf,len); }
/**
* @param buf Buffer to fill