DelphiTutorial Series of books(051)《DelphiAdvanced Network Programming Organize netizens (state)Email:Shuaihj@163.com
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Introduction
This book introduces how to use Delphi to implement network programming for Windows. The examples in this book make full use of the features of Delphi VCL and Winsock APIs to conveniently and quickly implement various network functions. The book consists of four parts: The first part introduces the TCP/IP protocol, Winsock knowledge and basic network components of Delphi; the second part explains how to use the advantages of Delphi and WinSock to implement the main protocol and the applications used inside the LAN. The third part is the implementation of common coding algorithms and encryption on the network; part 4 appendix provides common references for network programming. This book provides rich examples with all the implementation code. This book is suitable for programmers who use Delphi to develop network programs.
Directory
Chapter 2 TCP/IP protocol 1
1.1 TCP/IP protocol family 1
1.1.1 OSI model 1
1.1.2 DOD Model 2
1.1.3 main TCP/IP Protocol 3
1.1.4 process/application layer protocol 4
1.1.5 host-host Layer Protocol 5
1.1.6 Internet Layer Protocol 6
1.2 introduction to TCP/IP 7
1.2.1 IP packet data encapsulation 7
1.2.2 segment and reorganize IP datagram 8
1.2.3 IP address and subnet mask 8
1.2.4 domain name 9
1.2.5 port 10
1.2.6 Uri and Its Related Forms 10
Chapter 2 Winsock knowledge 12
2.1 Network Programming Interface (Winsock API) 12
2.2 WinSock programming model 12
2.2.1 Evolution from the socket programming model in UNIX to Winsock 12
. 2.2.2 understanding socket 13
2.2.3 use Winsock for development 13
2.3 description of common Winsock structures 14
2.3.1 sockaddr_in structure 14
2.3.2 hostent structure 16
2.4 introduction to common Winsock functions 16
2.4.1 basic socket function 17
2.4.2 database functions 17
2.4.3 extended functions provided by the Winsock specification 18
2.5 common Winsock functions 20
2.5.1 initialize Winsock 20
2.5.2 create socket 20
2.5.3 bind 21
2.5.4 establish socket connection 22
2.5.5 network I/O functions 23
2.5.6 disable socket 24
2.6 error handling 24
2.6.1 error handling function 24
2.6.2 common error codes 25
2.7 use Winsock API to implement finger 26
2.7.1 basic process 26
2.7.2 use Winsock API to implement finger 26
2.8 use Winsock API to implement echo 29
Chapter 2 Delphi network component 33
3.1 Delphi Socket network component introduction 33
3.1.1 clientsocket component 34
3.1.2 serversocket component 36
3.2 Delphi fastnet network component Introduction 37
3.2.1 nmdaytime component 38
3.2.2 nmecho component 39
3.2.3 nmfinger component 39
3.2.4 nmftp component 40
3.2.5 nmhttp component 45
3.2.6 nmmsg component 48
3.2.7 mmsgserv component 49
3.2.8 nmnntp component 49
3.2.9 nmpop3 component 52
3.2.10 nmsmtp component 54
3.2.11 nmstrm component 58
3.2.12 nmstrmserv component 59
3.2.13 nmurl component 59
3.2.14 nmuuprocessor component 60
3.2.15 nmudp component 61
3.2.16 powersock component 63
3.2.17 generalserver component 69
3.3 Delphi other network components 69
3.3.1 webdispatcher component 69
3.3.2 pageproducer component 71
3.3.3 querytableproducer component 73
3.3.4 datasettableproducer component 75
3.3.5 datasetpageproducer component 75
3.4 network programming using components 76
3.4.1 use the nmfinger component to implement the finger function 76
3.4.2 use the nmecho component to implement the echo function 79
Chapter 3 client programs and server programs 83
4.1 Introduction to network customer service system 83
4.2 Communication form between the server and the client 83
4.3 Use the fastnet component to transmit character information 85
4.4 use the fastnet component to transmit stream information 89
4.5 Use the socket component for information transfer 93
4.5.1 differences between socket components and fastnet components 93
4.5.2 basic functions 93
4.5.3 client program 93
4.5.4 server program 97
Chapter 1 basic network functions 5th
5.1 Get IP address 103
5.1.1 obtain IP address 103 using System Tools
5.1.2 Use the gethostbyname function to obtain IP address 104
5.1.3 use the wsaasyncgethostbyname function to obtain the IP address 106
5.1.4 handling of multiple IP addresses 109
5.1.5 differences between IP addresses and actual addresses 111
5.2 obtain subnet mask 113
5.2.1 obtain subnet mask 113 in Windows NT
5.2.2 obtain subnet mask 116 in Window 9x System
5.3 obtain computer name 117
5.3.1 obtain and set the host name 117
5.3.2 obtain remote host name 120
5.4 network connection detection 121
5.4.1 use wininet advanced function library function to detect network status 122
5.4.2 Check network status by reading system status parameters 123
5.5 get DNS settings 124
5.5.1 obtain DNS information in Windows NT 124
5.5.2 obtain DNS information in Windows 9x 126
5.6 obtain Nic information 127
5.6.1 use guid to get the NIC address 127
5.6.2 NetBIOS to obtain MAC address 129
5.6.3 obtain MAC address 131 using RPC
Chapter 2 TCP-related network protocol applications 6th
6.1 HTTP client implementation 134
6.1.1 HTTP 134
6.1.2 HTTP 136
6.1.3 compile the page browsing procedure 138
6.1.4 adjust Internet attributes 143
6.1.5 use the nmhttp component to access the authentication site 145
6.1.6 The headerinfo attribute of the nmhttp component is 148
6.1.7 access the site through proxy 148
6.1.8 about Cookie 151
6.1.9 download URL resource 152
6.1.10 download progress display 154
6.2 FTP client implementation 156
6.2.1 Introduction to FTP 156
6.2.2 file permissions on the FTP server: 156
6.2.3 FTP directory browsing 157
6.2.4 FTP directory operation 163
6.2.5 FTP file operation 166
6.3 POP3 client Implementation 171
6.3.1 POP3 171
6.3.2 receive email 172
6.3.3 prepare email reminder program 178
6.4 SMTP client implementation 183
6.4.1 SMTP Protocol Introduction 183
6.4.2 send email 183
6.4.3 send anonymous email 189
6.4.4 send mail list 191
6.4.5 send a message 197 to the system default email program
6.5 Telnet client implementation 201
6.5.1 Telnet Protocol Introduction 201
6.5.2 a simple Telnet client 201
6.5.3 Telnet negotiation method 205
6.5.4 constants used by Telnet 205
Chapter 2 UDP-related network applications 7th
7.1 send UDP packet 208
7.1.1 use the nmudp component to send UDP packets 208
7.1.2 use the Winsock function to send UDP data 212
7.2 use UDP protocol for network broadcast 215
Chapter 2 ICMP-related network applications 8th
8.1 ping command program implementation 220
8.2 tracert command program implementation 226
Chapter 2 CGI and ISAPI related programming 9th
9.1 CGI and ISAPI basics 234
9.1.1 public Gateway Interface (CGI) 234
9.1.2 isapis 236
9.1.3 CGI and isapi url 237
9.2 create a web application 237
9.2.1 twebrequest and twebresponse 244
9.2.2 form handler 247
9.2.3 use HTML content generator to create a dynamic webpage 252
9.2.4 transfer binary data stream file 257
Chapter 2 proxy related network applications 10th
10.1 network proxy basics 259
10.1.1 cause of proxy use 259
10.1.2 principles of network proxy 259
10.2 SOCKS5 proxy client implementation 260
10.2.1 SOCKS5 main workflow and data format description 260
10.2.2 SOCKS5 identity authentication sub-negotiation 262
10.2.3 SOCKS5 proxy client program implementation 263
10.3 telnet proxy service program implementation 271
Chapter 2 Dialing Network Programming 11th
11.1 use the AT command to dial 282
11.2 use TAPI 284
11.3 use RAS (Remote Access Service) 290
11.3.1 use the system phone book to dial 396
11.3.2 manage phone book entries 300
11.3.3 create a dial-up connection 303 in the program
11.3.4 status notification 311
Chapter 2 IRC protocol programming 12th
12.1 basic concepts of IRC protocol 318
12.1.1 channel 318
12.1.2 message 319
12.1.3 nick name 319
12.2 install and use the IRC service 320
12.2.1 install IRC server 320
12.2.2 use the IRC client 322
12.3 IRC command 323
12.3.1 connection and LOGIN command 323
Channel operation 12.3.2 326
12.3.3 query command 330
12.3.4 other commands 331
12.4 write IRC client 332
12.4.1 ircclient controls 332
12.4.2 use the ircclient control to program 336
Chapter 2 common network programming codes 13th
13.1 mime encoding 342
13.2 CRC verification 345
13.3 hash algorithm 346
13.4 symmetric encryption algorithm 348
13.4.1 des algorithms 348
13.4.2 blowfish algorithms 349
13.4.3 idea 349
13.5 crypto programming 352
Appendix A common service port 356
Appendix B common RFC document No. 363
Appendix C Delphi Network Resources 366
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