filter_exp, 0, netmask) == -1) { fprintf(stderr, "Couldn't parse filter %s: %s ", filter_exp, pcap_geterr(handle)); return 2; } // 设置过滤规则 if (pcap_setfilter(handle, &fp) == -1) { fprintf(stderr, "Couldn't install filter %s: %s ", filter_exp, pcap_geterr(...
Backward compatibility ThePCAP_NETMASK_UNKNOWNconstant became available in libpcap release 1.1.0. See also pcap(3PCAP),pcap_setfilter(3PCAP),pcap_freecode(3PCAP) This HTML page was made withroffit.
pcap_setdirection(pcap_handle, C.PCAP_D_IN) if C.pcap_activate(pcap_handle) != 0 { panic(C.GoString(C.pcap_geterr(pcap_handle))) } var bpf_program C.struct_bpf_program if C.pcap_compile(pcap_handle, &bpf_program, pcap_filter, 0, 0) != 0 { panic(C.GoString(C.pcap_geterr...
is *not* code you can directly attach to a socket with SO_ATTACH_FILTER; instead, it's code that works with capture files of type DLT_LINUX_SLL. If you have a "pcap_t" and use "pcap_setfilter()" to set the filter on the "pcap_t", libpcap makes a copy of the code, and mo...
/* Set the pcap description */ descr = pcap_open_live(dev, BUFSIZ, 1, 3000, errbuf); if (descr == NULL) { printf("pcap_open_live(): %s\n", errbuf); return (1); } } int main (void) { int result = InitializePCAP(); return result; } Then compile your sample code by expli...