Linux Socket Programming by Example PHẦN 8 docx

... number is received by the server, it must then use another network process (initiated by gethostbyaddr(3)) to resolve that Linux Socket Programming by Example - Warren W. Gay 387 • Each server ... let's now dive into network security as it applies to socket programming. Linux Socket Programming by Example - Warren W. Gay 385 Listing 16.3 shows the code u...

Ngày tải lên: 12/08/2014, 21:20

... rpn_free(&res); 2 78: rpn_pop(&res); 279: rpn_free(&res); 280 : } 281 : 282 : rpn_free(&res); 283 : rpn_free(&opr2); 284 : rpn_free(&opr1); 285 : 286 : return sp - 1; 287 : } 288 : 289 : /* 290: ... the top value on the stack: 79: */ 80 : static int 81 : rpn_dup(void) { 82 : mpz_t *opr2; 83 : 84 : if ( sp <= 0 ) 85 : return -1; Linux Socket Prog...

Ngày tải lên: 12/08/2014, 21:20

... strerror(errno)); 177: exit(1); 1 78: } 179: 180 : /* 181 : * Close our end of the socket: 182 : */ 183 : close(s[0]); 184 : 185 : /* 186 : * Wait for the child process to exit. 187 : * See text. 188 : */ 189 : waitpid(chpid,&status,0); ... 4 78 Compiling and Running the Demonstration 483 What's Next 487 Appendixes 487 Appendix A. Socket Function Quick Reference 4...

Ngày tải lên: 12/08/2014, 21:20

... bail(" ;socket( )"); 38: 39: /* Establish address */ 40: memset(&adr_inet,0,sizeof adr_inet); 41: Linux Socket Programming by Example - Warren W. Gay 80 inet_makeaddr : 192.1 68. 9.1 $ In ... len_inet; /* length */ 31: int sck_inet; /* Socket */ 32: 33: /* Create a Socket */ 34: sck_inet = socket( AF_INET,SOCK_STREAM,0); 35: Linux Socket Programming by...

Ngày tải lên: 12/08/2014, 21:20

... Listing 5.2. This is not a complete example, however, Linux Socket Programming by Example - Warren W. Gay 1 28 Table 4.3. Table of Exotic socket( 2) Parameters Domain Socket Type Description/Notes message ... efficiency is highly desirable. For example, the Network Time Protocol (NTP) uses Linux Socket Programming by Example - Warren W. Gay 107 1. Create your socke...

Ngày tải lên: 12/08/2014, 21:20

... Figure 8. 2 shows the general activity of the very popular http://www.woohoo.com Web server. Linux Socket Programming by Example - Warren W. Gay 186 82 : if ( s == -1 ) 83 : bail(" ;socket( )"); 84 : ... by Richard Stevens suggest that for a Web server that is Linux Socket Programming by Example - Warren W. Gay 188 The basic steps of the server can now b...

Ngày tải lên: 12/08/2014, 21:20

... file descriptor. Linux Socket Programming by Example - Warren W. Gay 279 83 : stack = client[c].stack; 84 : sp = client[c].sp; 85 : 86 : /* 87 : * If not EOF, process one line: 88 : */ 89 : if ( !feof(rx) 90: ... rpn_process(tx,buf); 1 78: 179: /* 180 : * Close this client's connection: 181 : */ 182 : fclose(tx); 183 : shutdown(fileno(rx),SHUT_RDWR); 184 : fclose(r...

Ngày tải lên: 12/08/2014, 21:20

... however, that the socket type chosen must be one that is capable of broadcasting, such as a UDP socket. Linux Socket Programming by Example - Warren W. Gay 3 18 after it is sent by the sending ... Report the buffer sizes: 57: */ 58: printf(" ;Socket s : %d\n",s); Linux Socket Programming by Example - Warren W. Gay 309 1 38: 139: return s; /* Connected s...

Ngày tải lên: 12/08/2014, 21:20

... SO_REUSEADDR: 80 : */ 81 : z = setsockopt(fd,SOL _SOCKET, 82 : SO_REUSEADDR,&b,sizeof b); 83 : if ( z == -1 ) 84 : bail("setsockopt(2)"); 85 : 86 : /* 87 : * Create the address to bind: 88 : */ 89 : ... cmsgp->cmsg_level == SOL _SOCKET 78: && cmsgp->cmsg_type == SCM_RIGHTS ) { 79: /* 80 : * File descriptor found: 81 : */ 82 : return *(int *) CMSG_DATA...

Ngày tải lên: 12/08/2014, 21:20

... 11/26/1999 1:01PM -0. 188 79. 688 79. 688 78. 9 38 391700 MOT 119.031 11/26/1999 1:48PM +2.094 1 18. 562 120. 688 117.750 1440400 NCR 32.9 38 11/26/1999 1:01PM -0.062 32.750 32.9 38 32.500 13 480 0 NN 24.312 ... 11/26/1999 1:01PM +1 .81 2 71.000 73 .87 5 70 .81 2 4617500 XRX 28. 188 11/26/1999 1:00PM +0.000 28. 312 28. 750 28. 000 24 286 00 YHOO 226 .87 5 11/26/1999 1:01PM -4.125 233....

Ngày tải lên: 12/08/2014, 21:20