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nucleus產(chǎn)品介紹(文件)

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【正文】 不同的 CPU, 相同的 API。 Nucleus NET主要特點 ? 支持多物理網(wǎng)絡(luò)設(shè)備 – Ether drivers; – PPP drivers; ? 同一個網(wǎng)絡(luò)設(shè)備上可以支持多種協(xié)議; ? RAW IP,IP Multicasting,IP Forwarding; ? Sockets API – 將 NUCLEUS NET的細節(jié)對應(yīng)用程序隱藏; – 應(yīng)用程序的編寫者不必是 TCP/IP協(xié)議專家; Nucleus NET主要特點 ? TCP/IP 協(xié)議?;緟f(xié)議 ? TCP – Transmission Control Protocol ? UDP – User Datagram Protocol ? IP – Inter Protocol ? BOOTP Client – Bootstrap Protocol ? IGMP – Inter Group Management Protocol ? ICMP – Inter Control Message Protocol ? ARP – Address Resolution Protocol ? RARP – Reverse Address Resolution Protocol ? DNS Client/Resolver – Domain Name System ? DHCP Client – Dynamic Host Configuration Protocol ? RIP II – Routing Information Protocol versions 1 and 2 ? TFTP Client – Trivial File Transfer Protocol Nucleus PPP ? 通過點對點的連接方式傳輸多協(xié)議的數(shù)據(jù),通常是一個串行連接,比如撥號; ? PPP Server 或 PPP Client; ? PPPoE是基于Ether連接方式的 PPP協(xié)議, NUCLEUS SSL ? Secure Sockets Layer ? 支持 SSL , SSL , 和 TLS . SSL; ? 已經(jīng)和 Nucleus Web Server集成; NUCLEUS NAT ? Network Address Translation ? 通常,該協(xié)議位于網(wǎng)關(guān)或路由器,用來實現(xiàn)多個主機共享一個 IP地址; 可兼容的第三方的協(xié)議和驅(qū)動 ? ATM Asynchronous Transfer Mode ? Voice over IP Protocol ? NFS – Network File System ? ISDN Integrated Services Digital Transmission over ordinary telephone copper wire ? Frame Relay Telemunication service designed for costefficient data transmission 可兼容的第三方的協(xié)議和驅(qū)動 ? IrDA Infrared Data for Infrared Data transfer. ? OSPF Open Shortest Path protocol ? SNMPv1,v2,v3 Simple Network Management Protocol versions 1,2 and 3. ? USB Universal Serial Bus ? WAP Wireless Application Protocol ? Wireless Ether 基于 NUCLEUS 的 NET應(yīng)用程序 ? Installing Nucleus NET; ? Network Initialization – 網(wǎng)絡(luò)模塊的初始化應(yīng)當在任務(wù)中完成,所以先需要在入口函數(shù) Application_Initialize中創(chuàng)建一個任務(wù); – 所有的網(wǎng)絡(luò)應(yīng)用程序都必須調(diào)用 NU_Init_Net 和NU_Init_Devices, 用來初始化協(xié)議棧的數(shù)據(jù)結(jié)構(gòu)和物理設(shè)備; 基于 NUCLEUS NET的應(yīng)用程序開發(fā) ? Transferring Data Using Nucleus NET – TCP連接可以通過 Nucleus NET允許的標準的socketlike方式來進行數(shù)據(jù)傳送,當然 UDP和 Raw IP 也可以; – 在開始通信之前,需要有一個“ open a socket”的操作,在這個操作之前,需要給你要發(fā)送數(shù)據(jù)的目標建立一個地址結(jié)構(gòu)體; 基于 NUCLEUS NET的應(yīng)用程序開發(fā) ? Network Configuration – Local Host Adapters Definition ( NU_DEVICE): ? dv_name : Unique device name that is used to look up the interface. ? dv_flags : Any special flags used for configuring the operation of the device, ex DV_NOARP ? (*dv_init) (DV_DEVICE_ENTRY *) : The name of the interface’s initialization routine. ? dv_driver_options: Any driver dependent options, including the possibility of the address of a structure containing driver options. ? dv_ip_addr : The IP number to be used by this Nucleus NET interface. ? ...... 基于 NUCLEUS NET的應(yīng)用程序開發(fā) ? 建立地址的數(shù)據(jù)結(jié)構(gòu) /* Declare the address structure. */ struct addr_struct *test_addr。 /* Indicate this is an IP family address. */ test_addrfamily = NU_FAMILY_IP。 test_addr[2] = (unsigned char) 40。D,Infographics Systems Nucleus Software Products Used: ? Nucleus PLUS ? Nucleus NET 與 DOS兼容的文件系統(tǒng) Nucleus NET TCP/IP 協(xié)議包 SNMP TFTP FTP web server SMTP RIP2 OSPF JAVA Nucleus Graphics 圖形包 Nucleus PLUS 系統(tǒng)內(nèi)核 Ether NET Driver Driver Driver Drivers PPP SLIP POP3 Email Client Mouse Touch Screen Keyboard LCD VGA Basic Services GUI Nucleus 文件系統(tǒng) Floppy PCMCIA SCSI IDE Tel MMU Nucleus 產(chǎn)品 NUCLEUS 文件系統(tǒng) NUCLEUS 文件系統(tǒng)特點 ? 標準文件系統(tǒng)相關(guān)的特點 – Nucleus FILE 支持 FAT12, FAT16 以及 FAT32 格式,與 MSDOS, Windows 95, Windows 98, and Windows NT兼容。 NUCLEUS 原型工具 Nucleus MNT/VNET ? Nucleus PLUS for Windows NT – Nucleus PLU
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