Proxim 7910 Guía de usuario Pagina 99
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93
65 /* Establish the TCP connection. Accept() returns a new
66 socket number for the connection, allowing listen() to
67 (if desired) continue to listen on the old socket.
68
69 Parameters to accept() are: the socket that the
70 previous listen() call was using, a sockaddr structure,
71 and the length of the sockaddr structure. The second
72 and third parameters are zero here, but can be used to
73 get the IP address and port number of the remote end of
74 the connection. */
75 msgsock= accept(sock, (struct sockaddr *)0, (int *)0);
76 if (msgsock==-1) {
77 perror(“accept”);
78 }
79 else do {
80 memset(buf, 0, sizeof(buf));
81 if ((rval= read(msgsock, buf, 1024)) < 0)
82 {
83 perror(“reading stream message”);
84 exit(5);
85 }
86 else if (rval==0) {
87 printf(“Read zero bytes. Exiting...\n”);
88 exit(6);
89 }
90 else {
91 /* Print out data on screen and log it to the logfile.
92 Note we are skipping the Serial Adapter header bytes. */
93 printf(“Read %d bytes\n”, rval);
94 buf[rval]= ‘\0’;
95 if (rval > 4)
96 printf(“Data: —> %s\n”, buf+4);
97 for (i= 0; i< rval; i++)
98 fputc(*(buf+i), logfile);
99 fclose(logfile);
100 logfile= fopen(“proxlink.log”, “ab”);
101 }
102 } while (TRUE);
103
104 } while (TRUE);
105 }
- RangeLAN2 Serial Adapter 1
- User’s Guide 1
- Contents 4
- 1. Introduction 7
- The RangeLAN2 Family 8
- System Requirements 9
- The Product Package 9
- Figure 1 10
- 2. Quick Installation 11
- 3. Wireless Topologies 15
- Point-to-Point 15
- Point-to-Multipoint 17
- Figure 4 18
- Figure 5 20
- Point-to-Multipoint Using a 21
- 5. Understanding the Hardware 25
- Rotary Switches 25
- LED Indicators 28
- Figure 9 31
- Back Panel LEDs 31
- Override LED 31
- Master LED 31
- Sync LED 31
- Serial Port Specification 32
- Figure 10 33
- Antenna Options 34
- Mounting Options 34
- Figure 11 35
- Mounting Holes 35
- 6. Configuration 37
- 7. Radio Configuration Menu 41
- 8. Network Configuration Menu 51
- 9. Serial Configuration Menu 55
- Advanced Parameters 62
- 11. Display Parameter Values 67
- 12. View Statistics 69
- Serial Errors Statistics 70
- Packetized Mode Statistics 70
- TCP/IP Statistics 70
- Radio Statistics 70
- 13. Performance Hints 71
- Microwave Ovens 71
- 14. Troubleshooting 73
- LED Error Codes 73
- Commonly Asked 74
- Technical Support Questions 74
- Overview 76
- PPX-1 Protocol 79
- Modem Command Protocol (MCP) 80
- Sample TCP Send Program 100
- Sample UDP Receive Program 102
- Sample UDP Send Program 103
- C. Menu Structure 106
- Radio Parameters 113
- D. Parameters 113
- Network Parameters 114
- Serial Parameters 115
- F. Glossary 119
- H. U.S. Specifications 122
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