Protogate Freeway 3112 Przewodnik Instalacji Pobierz pdf (Strona 17)

1: Introduction

DC 900-1325I 17

communications processor (ICP) device driver. In this fashion, data is moved from the

client to the WAN protocol software executing on the ICP.

Figure 1–1: Freeway Server Data Flow (Without an SRA)

Freeway

3027

ICPs

ICP Device Driver

TSI

TCP/IP Socket Interface

TSI

MSGMUX

Ethernet

Client Application

DLI

Client

TCP/IP Socket Interface

1 2 ... 12 13 14 15 16 17 18 19 20 21 22 ... 93 94

Server-Resident Application 1
Programmer Guide 1
Contents 3
6 DC 900-1325I 6
List of Figures 7
8 DC 900-1325I 8
Purpose of Document 9
Intended Audience 9
Required Equipment 9
Hardware Support 10
UNIX Programming Support 12
UNIX Network Support 12
Revision History 13
Customer Support 14
Introduction 15
DC 900-1325I 17 17
1: Introduction 17
1.2.1 Basic SRA Configuration 18
DC 900-1325I 19 19
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1.2.4 Message Filtering SRA 22
Software Development 23
2.1.1 Freeway Disk Partitions 24
2.2.1 Example Filter SRA 27
2.2.2 Loopback Test Programs 28
2.4 Running the SRA 34
2.5 Customizing the SRA 36
SESS_TBL_ENTRY structure 37
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Interfacing to DLI/TSI and 43
Protocol Software 43
3.1.1 Source Files 44
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3.1.2 Binary Files 47
/usr/local/freeway/cli 48
3.1.3 Log and Trace Files 49
3.2.2 Set Buffer Size 52
3.2.3 Enable Link 52
3.2.4 Local Acks 52
3.2.5 Optional Arguments 53
./dliupdate 55
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SRA Design Tips and 57
Restrictions 57
4.1.2 TSI Configuration 58
4.1.3 File Management 58
4.2 Updating Files 59
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4.2.3 CDROM Updates 61
4.3 Message Logging 64
4.3.2 Syslog 65
4.4 Miscellaneous Items 66
4.4.3 Access to ICP Links 69
4.4.4 Stopping the SRA 69
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Interfacing with the SRA 73
5.2 Socket Interfaces 74
5.3 NFS Mount 75
/etc/fstab file by 76
5.4 Web Browser Interface 77
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LAN Message Filtering 79
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6.1 msgmux Filter Hook 81
6.2 SRA Filter Functions 82
TSI header 83
Freeway header 83
ICP header 83
Protocol header 83
Protocol data 83
6.4 Filter Restrictions 84
MaxBufSize param 85
Filter_From_WAN) 86
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DC 900-1325I 91 91
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Customer Report Form 93
Protogate, Inc 94
Customer Service 94
San Diego, CA 92128 94

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