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Top Forums Programming Handle int listen(int sockfd, int backlog) in TCP Post 302482195 by sehang on Monday 20th of December 2010 08:37:56 PM
Old 12-20-2010
If the problem does not related with the listen(), it may be an interesting thing.

I sent 1024 packets to the server (a PC has both sender and receiver, that means, it send packets to itself).
When I Ctrl+C to close and reopen the program few times, the receiver may receive extra package and garbage; and some packets are missing.

If I send 65535 packets at a time, this problem happens more frequency.
 

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AECHO(1)						      General Commands Manual							  AECHO(1)

NAME
aecho - send AppleTalk Echo Protocol packets to network hosts SYNOPSIS
aecho [ -c count ] ( address | nbpname ) DESCRIPTION
aecho repeatedly sends an Apple Echo Protocol (AEP) packet to the host specified by the given AppleTalk address or nbpname and reports whether a reply was received. Requests are sent at the rate of one per second. address is parsed by atalk_aton(3). nbpname is parsed by nbp_name(3). The nbp type defaults to `Workstation'. When aecho is terminated, it reports the number of packets sent, the number of responses received, and the percentage of packets lost. If any responses were received, the minimum, average, and maximum round trip times are reported. EXAMPLE
Check to see if a particular host is up and responding to AEP packets: example% aecho bloodsport 11 bytes from 8195.13: aep_seq=0. time=10. ms 11 bytes from 8195.13: aep_seq=1. time=10. ms 11 bytes from 8195.13: aep_seq=2. time=10. ms 11 bytes from 8195.13: aep_seq=3. time=10. ms 11 bytes from 8195.13: aep_seq=4. time=10. ms 11 bytes from 8195.13: aep_seq=5. time=9. ms ^C ----8195.13 AEP Statistics---- 6 packets sent, 6 packets received, 0% packet loss round-trip (ms) min/avg/max = 9/9/10 OPTIONS
-c count Stop after count packets. SEE ALSO
ping(1), atalk_aton(3), nbp_name(3), atalkd(8). netatalk 1.2 17 Dec 1991 AECHO(1)
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