Revision 08a4230a util/udpSocket.h

View differences:

util/udpSocket.h
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#define SO_EE_ORIGIN_ICMP6      3
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/// @}
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typedef enum {OK = 0, MSGLEN, FAILURE} error_codes;


  		




  
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typedef enum {OK = 0, MSGLEN, FAILURE, THROTTLE} error_codes;


  		




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/** 


  		




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 * A callback functions for received pmtu errors (icmp packets type 3 code 4) 


  		




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 */


  		




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int sendPacket(const int udpSocket, struct iovec *iov, int len, struct sockaddr_in *socketaddr);


  		




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/** 


  		




  
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  * Decide if a packet should be throttled


  		




  
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  * The implementation follows a leaky bucket algorithm: 


  		




  
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  * if the packet would fill the bucket beyond its limit, it is to be discarded


  		




  
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  *


  		




  
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  * @param len The length of the packet to be sent


  		




  
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  * @return OK or THROTTLE 


  		




  
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*/


  		




  
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int outputRateControl(int len);


  		




  
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/**


  		




  
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  * Configure the parameters for output rate control.


  		




  
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  * These values may also be set while packets are being transmitted.


  		




  
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  * @param bucketsize The size of the bucket in kbytes


  		




  
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  * @param drainrate The amount of kbytes draining in a second. If drainrate is 0, then rateControl is completely disabled (all packets are passed).


  		




  
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*/


  		




  
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void setOutputRateParams(int bucketsize, int drainrate);


  		




  
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/**


  		




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 * Receive a udp packet


  		




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 * @param udpSocket The udpSocket file descriptor.


  		












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