在inet下写一个“HelloWorld”程序

写在最前

由于要用别人的项目代码来进行仿真，却不知道如何新建一个项目来跑自己的网络，故写下这篇文章。在inet的基础上，运行一个example上的例子。

新建omnet++项目

新建test项目，empty project，之后直接按finish即可。

引用inet项目

对project 右键，properties。

新建ned

package tcptest;import inet.networklayer.configurator.ipv4.IPv4NetworkConfigurator;import inet.node.inet.Router;import inet.node.inet.StandardHost;import ned.DatarateChannel;network net1{    parameters:        @display("bgb=400,200");    submodules:        router: Router {            parameters:                @display("p=200,100;i=abstract/router");            gates:                pppg[2];        }        client: StandardHost {            parameters:                @display("p=50,100");            gates:                pppg[1];        }        server: StandardHost {            parameters:                @display("p=350,100;i=device/server");            gates:                pppg[1];        }        configurator: IPv4NetworkConfigurator;    connections:        router.pppg[0] <--> NormalPath <--> client.pppg[0];        router.pppg[1] <--> NormalPath <--> server.pppg[0];}channel NormalPath extends DatarateChannel{    parameters:        datarate = 100Mbps;        delay = 0.0565us; // 10m        per = 0;        ber = 0;}

新建.ini配置文件

[General]network = net1warnings = truesim-time-limit = 2.1scmdenv-module-messages = true # for normal (non-express) mode onlycmdenv-event-banners = true   # for normal (non-express) mode onlytkenv-plugin-path = ../../../etc/plugins## Network specific settings## set inet_addr, Mask, MTU ( = 1500), default route (=router)#**.client.routingTable.routingFile = "client.mrt"#**.router.routingTable.routingFile = "router.mrt"#**.server.routingTable.routingFile = "server.mrt"# ip settings**.ip.procDelay = 0s**.forwarding = false# hookType settings**.ppp[*].numOutputHooks = 1**.ppp[*].outputHook[0].typename = "OrdinalBasedDropper" # Nop | ThruputMeter | OrdinalBasedDropper | OrdinalBasedDuplicator# ARP settings**.arp.retryTimeout = 1s**.arp.retryCount = 3**.arp.cacheTimeout = 100s# NIC settings**.ppp[*].queueType = "DropTailQueue"**.ppp[*].queue.frameCapacity = 100    # packets# tcp apps - client**.client.numTcpApps = 1**.client.tcpApp[*].typename = "TCPSessionApp"  # FTP**.client.tcpApp[*].sendBytes = 100MiB**.client.tcpApp[*].active = true#**.client.tcpApp[*].localAddress = "172.0.0.1"**.client.tcpApp[*].localPort = 10020**.client.tcpApp[*].connectAddress = "server"**.client.tcpApp[*].connectPort = 10021**.client.tcpApp[*].tOpen = 0s**.client.tcpApp[*].tSend = 0s**.client.tcpApp[*].tClose = 0s**.client.tcpApp[*].sendScript = ""# tcp apps - server**.server.numTcpApps = 1**.server.tcpApp[*].typename = "TCPSinkApp"#**.server.tcpApp[*].localAddress = "172.0.1.111"**.server.tcpApp[*].localPort = 10021# tcp settings**.tcp.advertisedWindow = 65535                      # in bytes, corresponds with the maximal receiver buffer capacity (Note: normally, NIC queues should be at least this size)**.tcp.delayedAcksEnabled = false                    # delayed ACK algorithm (RFC 1122) enabled/disabled**.tcp.nagleEnabled = true                           # Nagle's algorithm (RFC 896) enabled/disabled**.tcp.limitedTransmitEnabled = false                # Limited Transmit algorithm (RFC 3042) enabled/disabled (can be used for TCPReno/TCPTahoe/TCPNewReno/TCPNoCongestionControl)**.tcp.increasedIWEnabled = false                    # Increased Initial Window (RFC 3390) enabled/disabled**.tcp.sackSupport = true                            # Selective Acknowledgment (RFC 2018, 2883, 3517) support (header option) (SACK will be enabled for a connection if both endpoints support it)**.tcp.windowScalingSupport = false                  # Window Scale (RFC 1323) support (header option) (WS will be enabled for a connection if both endpoints support it)**.tcp.timestampSupport = false                      # Timestamps (RFC 1323) support (header option) (TS will be enabled for a connection if both endpoints support it)**.tcp.mss = 500                                     # Maximum Segment Size (RFC 793) (header option)**.tcp.tcpAlgorithmClass = "TCPReno"                 # TCPReno/TCPTahoe/TCPNewReno/TCPNoCongestionControl/DumbTCP**.tcp.recordStats = true                            # recording of seqNum etc. into output vectors enabled/disabled# pcapRecorder settings**.numPcapRecorders = 1## Config specific settings## Examples from [RFC2018]:#   "Assume the left window edge is 5000 and that the data transmitter#   sends a burst of 8 segments, each containing 500 data bytes." [RFC2018][Config One]description = "RFC_2018_Case_1"**.client.pcapRecorder[0].pcapFile = "RFC_2018_Case_1_Client_Log.pcap"**.server.pcapRecorder[0].pcapFile = "RFC_2018_Case_1_Server_Log.pcap"**.client.ppp[*].outputHook[0].dropsVector = "17;18;19;20;"#      "Case 1: The first 4 segments are received but the last 4 are#      dropped.##      The data receiver will return a normal TCP ACK segment#      acknowledging sequence number 7000, with no SACK option." [RFC2018][Config Two]description = "RFC_2018_Case_2"**.client.pcapRecorder[0].pcapFile = "RFC_2018_Case_2_Client_Log.pcap"**.server.pcapRecorder[0].pcapFile = "RFC_2018_Case_2_Server_Log.pcap"**.client.ppp[*].outputHook[0].dropsVector = "13;"#      "Case 2:  The first segment is dropped but the remaining 7 are#      received.##         Upon receiving each of the last seven packets, the data#         receiver will return a TCP ACK segment that acknowledges#         sequence number 5000 and contains a SACK option specifying#         one block of queued data:##             Triggering    ACK      Left Edge   Right Edge#             Segment##             5000         (lost)#             5500         5000     5500       6000#             6000         5000     5500       6500#             6500         5000     5500       7000#             7000         5000     5500       7500#             7500         5000     5500       8000#             8000         5000     5500       8500#             8500         5000     5500       9000" [RFC2018][Config Three]description = "RFC_2018_Case_3"**.client.pcapRecorder[0].pcapFile = "RFC_2018_Case_3_Client_Log.pcap"**.server.pcapRecorder[0].pcapFile = "RFC_2018_Case_3_Server_Log.pcap"**.client.ppp[*].outputHook[0].dropsVector = "14;16;18;20;"#      "Case 3:  The 2nd, 4th, 6th, and 8th (last) segments are#      dropped.##      The data receiver ACKs the first packet normally.  The#      third, fifth, and seventh packets trigger SACK options as#      follows:##          Triggering  ACK    First Block   2nd Block     3rd Block#          Segment            Left   Right  Left   Right  Left   Right#                             Edge   Edge   Edge   Edge   Edge   Edge##          5000       5500#          5500       (lost)#          6000       5500    6000   6500#          6500       (lost)#          7000       5500    7000   7500   6000   6500#          7500       (lost)#          8000       5500    8000   8500   7000   7500   6000   6500#          8500       (lost)" [RFC2018]# Examples from [RFC2883]:##     "Reporting Full Duplicate Segments##   We illustrate these guidelines with three examples.  In each example,#   we assume that the data receiver has first received eight segments of#   500 bytes each, and has sent an acknowledgement with the cumulative#   acknowledgement field set to 4000 (assuming the first sequence number#   is zero).  The D-SACK block is underlined in each example." [RFC2883][Config Four]description = "RFC_2883_Example_1"**.client.pcapRecorder[0].pcapFile = "RFC_2883_Example_1_Client_Log.pcap"**.server.pcapRecorder[0].pcapFile = "RFC_2883_Example_1_Server_Log.pcap"**.tcp.advertisedWindow = 1000**.server.ppp[*].outputHook[0].dropsVector = "8;9;"#    "Example 1: Reporting a duplicate segment.##   Because several ACK packets are lost, the data sender retransmits#   packet 3000-3499, and the data receiver subsequently receives a#   duplicate segment with sequence numbers 3000-3499.  The receiver#   sends an acknowledgement with the cumulative acknowledgement field#   set to 4000, and the first, D-SACK block specifying sequence numbers#   3000-3500.##        Transmitted    Received    ACK Sent#        Segment        Segment     (Including SACK Blocks)##        3000-3499      3000-3499   3500 (ACK dropped)#        3500-3999      3500-3999   4000 (ACK dropped)#        3000-3499      3000-3499   4000, SACK=3000-3500#                                              ---------" [RFC2883][Config Five]description = "RFC_2883_Example_2"**.client.pcapRecorder[0].pcapFile = "RFC_2883_Example_2_Client_Log.pcap"**.server.pcapRecorder[0].pcapFile = "RFC_2883_Example_2_Server_Log.pcap"**.tcp.advertisedWindow = 2000**.client.ppp[*].outputHook[0].dropsVector = "11;"**.server.ppp[*].outputHook[0].dropsVector = "8;9;10;"#    "Example 2:  Reporting an out-of-order segment and a duplicate#        segment.##   Following a lost data packet, the receiver receives an out-of-order#   data segment, which triggers the SACK option as specified in  RFC#   2018.  Because of several lost ACK packets, the sender then#   retransmits a data packet.  The receiver receives the duplicate#   packet, and reports it in the first, D-SACK block:##        Transmitted    Received    ACK Sent#        Segment        Segment     (Including SACK Blocks)##        3000-3499      3000-3499   3500 (ACK dropped)#        3500-3999      3500-3999   4000 (ACK dropped)#        4000-4499      (data packet dropped)#        4500-4999      4500-4999   4000, SACK=4500-5000 (ACK dropped)#        3000-3499      3000-3499   4000, SACK=3000-3500, 4500-5000#                                                 ---------" [RFC2883][Config Six]description = "RFC_2883_Example_3"**.client.pcapRecorder[0].pcapFile = "RFC_2883_Example_3_Client_Log.pcap"**.server.pcapRecorder[0].pcapFile = "RFC_2883_Example_3_Server_Log.pcap"**.client.ppp[*].numOutputHooks = 2**.client.ppp[*].outputHook[0].typename = "OrdinalBasedDropper" # Nop | ThruputMeter | OrdinalBasedDropper | OrdinalBasedDuplicator | ...**.client.ppp[*].outputHook[0].dropsVector = "11;"**.client.ppp[*].outputHook[1].typename = "OrdinalBasedDuplicator" # Nop | ThruputMeter | OrdinalBasedDropper | OrdinalBasedDuplicator | ...**.client.ppp[*].outputHook[1].duplicatesVector = "12;"#    "Example 3:  Reporting a duplicate of an out-of-order segment.##   Because of a lost data packet, the receiver receives two out-of-order#   segments.  The receiver next receives a duplicate segment for one of#   these out-of-order segments:##        Transmitted    Received    ACK Sent#        Segment        Segment     (Including SACK Blocks)##        3500-3999      3500-3999   4000#        4000-4499      (data packet dropped)#        4500-4999      4500-4999   4000, SACK=4500-5000#        5000-5499      5000-5499   4000, SACK=4500-5500#                       (duplicated packet)#                       5000-5499   4000, SACK=5000-5500, 4500-5500#                                              ---------" [RFC2883]# References##   [RFC2018]  Mathis, M., Mahdavi, J., Floyd, S. and Romanow, A., "TCP#              Selective Acknowledgment Options", RFC 2018, October 1996.##   [RFC2883]  Floyd, S., Mahdavi, J., Mathis, M. and Podolsky, M., "An#              Extension to the Selective Acknowledgement (SACK) Option#              for TCP", RFC 2883, July 2000.

build project

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