如果有匹配的sock结构,就进一步调用raw_v4_input()处理网络层原始套接字,在raw_v4_input()中进一步调用__raw_v4_lookup()函数进行匹配,原始套接字的源IP、目的IP、绑定的接口eth等是否匹配,最后调用raw_rcv()。 因此,对数据包进行的第一次筛选就是根据数据包的protocol生成的hash从raw_v4_htable中查找对应的...
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Send Receive Multiple Raw BuffersWeiChen Chen
Host2: zfs send -w (raw) -i pool/location1:snap1 pool/location1:snap2 > (Host1) zfs recv pool/location1 Again everything replicates just fine.Host2 shows the source key of pool/location1, while host1 shows the key innhereted from pool Now reboot Host1: zfs load key pool; zfs l...
" returned by recv! :(\n"; exit(1); }else{ cout << "<" << newData << "> RECIEVE SUCCESSFULL!! :-D\n"; } return 0; } Edit & run on cpp.shThe problem occurs in my output:12345678910 Raw Socket Created! :-D Bound socket! :-D Buffer size: 40 IP Checksum: 56557 Raw ...
I am trying to recv raw packets from socket and failed. Message is printing only while sending packets on server site. When no packets are transferred - program hungs in recv (socket in synchronous mode). The problem is that printing message is "buffer" but without received data. #include ...
Raw Socket recvfrom not working for TCP This is not going to work on any BSD Sockets implementation. You can’t use raw sockets to read TCP or UDP. To quote my trusty (and dusty, literally!) copy of Stevens [1]: The following rules apply; Received UDP packets and received TCP packe...
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if ( (sock=socket(PF_PACKET, SOCK_RAW, htons(ETH_P_IP)))<0) { perror("socket"); exit(1); } while (1) { printf("---\n"); n = recvfrom(sock,buffer,2048,0,NULL,NULL); printf("%d bytes read\n",n); /* Check to see if the packet contains at least * complete ...