问libpcap: pcap_get_selectable_fd返回的文件描述符的实时使用ENparent.js const childProcess = requir...
If pcap_get_required_select_timeout() returns NULL, no such timeout is available, and those routines cannot be used with the device. In addition, for various reasons, one or more of those routines will not work properly with the descriptor; the documentation for pcap_get_selectable_fd()...
int selectable_fd; int send_fd; int snapshot; int linktype; int tzoff; int offset; int break_loop; #ifdef PCAP_FDDIPAD int fddipad; #endif struct pcap_sf sf; struct pcap_md md; int bufsize; u_char *buffer; u_char *bp; int cc; u_char *pkt; pcap_direction_t direction; int ...
pcap_get_required_select_timeout.3pcap.gz /usr/share/man/man3/pcap_get_selectable_fd.3pcap.gz /usr/share/man/man3/pcap_get_tstamp_precision.3pcap.gz /usr/share/man/man3/pcap_geterr.3pcap.gz /usr/share/man/man3/pcap_getnonblock.3pcap.gz /usr/share/man/man3/pcap_init.3pcap.gz...
从参数看,是一模一样的,但是调用的消耗看,前者明显慢,直觉告诉我,应该看fd的属性,所以针对属性又单独跟踪了一次: 系统自带的1.5.3版本: [root@localhost libpcap-1.5.3]# strace -e setsockopt ./pcaptest setsockopt(3, SOL_PACKET, PACKET_ADD_MEMBERSHIP,"\3\0\0\0\1\0\0\0\0\0\0\0\0\0\0\...
pcap_get_selectable_fd(pcap_fd); 66- 67 - 68 - /* *** */ 69 - 70 - // returns <0 on error, 0 if should be skipped, otherwise thepacket size 71 - intnextPacket(pcapdroid_t *pd, pcapd_hdr_t *phdr, char*out_buf, size_t bufsize) { 72 - struct...
int fd; int selectable_fd; int send_fd; #endif /* WIN32 */ int snapshot; int linktype; int tzoff; /* timezone offset */ int offset; /* offset for proper alignment */ int break_loop; /* flag set to force break from packet-reading loop */ ...
int selectable_fd; int send_fd; int snapshot; int linktype; int tzoff; int offset; int break_loop; #ifdef PCAP_FDDIPAD int fddipad; #endif struct pcap_sf sf; struct pcap_md md; int bufsize; u_char *buffer; u_char *bp;
pcap_get_selectable_fd.3pcap Show correct last modified date in all man pages. Feb 17, 2020 pcap_get_tstamp_precision.3pcap.in man: Prevent hyphenation in a few more cases. [skip ci] Feb 13, 2022 pcap_geterr.3pcap Cross-reference pcap_geterr(3PCAP) and pcap_strerror(3PCAP). Oct ...
pcap_strerror(errno));return(NULL);}//对p的内存区域清0#ifndef WIN32p->fd=-1;/* not opened yet */ p->selectable_fd=-1;p->send_fd=-1;#endifstrdup(source);//source为网卡的名字 if(p->opt.source==NULL){snprintf(ebuf,PCAP_ERRBUF_SIZE,"malloc: %s", ...