电子商务网站开发的步骤,四川自助网站,餐饮企业网站建设,wordpress调用登录logoIP TOS选项是指示IP报文转发的优先级#xff0c;QOS控制的一种#xff0c;常规的IP协议TOS都为0#xff0c;就是普通报文。 设置#xff1a;
IPV4/TOS设置#xff08;Socket#xff09;#xff0c;IPTOS_LOWDELAY 表示FLASH优先级#xff08;一般用在游戏#xff0c;…IP TOS选项是指示IP报文转发的优先级QOS控制的一种常规的IP协议TOS都为0就是普通报文。 设置
IPV4/TOS设置SocketIPTOS_LOWDELAY 表示FLASH优先级一般用在游戏即时通信这块因为需要包转发要足够快 bool Socket::SetTypeOfService(int fd, int tos) noexcept {if (fd -1) {return false;}if (tos 0) {tos IPTOS_LOWDELAY; }Byte b tos; /* IPTOS_LOWDELAY */
#if defined(_MACOS)return ::setsockopt(fd, IPPROTO_IP, IP_TOS, (char*)b, sizeof(b)) 0;
#elsereturn ::setsockopt(fd, SOL_IP, IP_TOS, (char*)b, sizeof(b)) 0;
#endif}设置
IPV4/IPV6 TOS设置Socket void Socket::AdjustDefaultSocketOptional(int sockfd, bool in4) noexcept {if (sockfd ! -1) {uint8_t tos IPTOS_LOWDELAY;if (in4) {if (SOCKET_RESTRICTIONS_.IP_TOS_ON) {
#if defined(_MACOS)::setsockopt(sockfd, IPPROTO_IP, IP_TOS, (char*)tos, sizeof(tos));
#else::setsockopt(sockfd, SOL_IP, IP_TOS, (char*)tos, sizeof(tos));
#endif}#if IP_DONTFRAGMENTint dont_frag IP_PMTUDISC_DO;::setsockopt(sockfd, IPPROTO_IP, IP_DONTFRAGMENT, (char*)dont_frag, sizeof(dont_frag));
#elif IP_PMTUDISC_WANTint dont_frag IP_PMTUDISC_WANT;::setsockopt(sockfd, IPPROTO_IP, IP_MTU_DISCOVER, dont_frag, sizeof(dont_frag));
#endif}else {// linux-user: Add missing IP_TOS, IPV6_TCLASS and IPV6_RECVTCLASS sockopts// QEMU:// https://patchwork.kernel.org/project/qemu-devel/patch/20170311195906.GA13187ls3530.fritz.box/
#if IPV6_TCLASSif (SOCKET_RESTRICTIONS_.IPV6_TCLASS_ON) {::setsockopt(sockfd, IPPROTO_IPV6, IPV6_TCLASS, (char*)tos, sizeof(tos)); /* SOL_IPV6 */}
#endif#if IPV6_MTU_DISCOVER IPV6_PMTUDISC_WANTint dont_frag IPV6_PMTUDISC_WANT;::setsockopt(sockfd, IPPROTO_IPV6, IPV6_MTU_DISCOVER, dont_frag, sizeof(dont_frag));
#endif}#if defined(SO_NOSIGPIPE)int no_sigpipe 1;::setsockopt(sockfd, SOL_SOCKET, SO_NOSIGPIPE, no_sigpipe, sizeof(no_sigpipe));
#endif}}
