by Catalyst Development Corporation - Product Type: Component / DLL
Twenty Internet communications libraries for C/C++, Delphi, and Visual Basic. Web page, or script. SocketTools Library Edition has over 800 functions which can be used to develop applications that meet a wide range of needs. SocketTools Library Edition covers uploading and downloading files (FTP), sending and retrieving email (SMTP, POP), remote command execution, terminal emulation and more. The Library Edition is ideal for the developer who requires the high performance, minimum resource utilization and flexibility of a lower level interface, without the inherent overhead of ActiveX controls or COM libraries. It includes standard Windows dynamic link libraries (DLLs) which can be used in a wide variety of programming languages such as Visual Studio.NET, Visual C++, Visual Basic and Delphi.
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What’s new in SocketTools 8.0?
New FTP and HTTP Server Components
SocketTools 8.0 includes new file and web server components that make it easy to incorporate server functionality into your own applications. With these new controls and libraries, you can enable clients to upload and download files directly to your application, or you can implement a custom web interface to your software. The servers support the protocol standards and many of the common extensions, however you're also free to implement your own custom commands just to meet the specific needs of your application. Both standard and secure connections are supported.
New Asynchronous File Transfer Methods
Easily perform multiple background transfers simultaneously. With a single method call you can start a background transfer and your application is notified when it has finished. Each background transfer that you create is referenced by a task number, and you can suspend, resume and abort those background tasks as needed.
Support for Windows 8 and Windows Server 2012
SocketTools is designed to take advantage of new features introduced in Microsoft's latest operating systems, while maintaining backwards compatibility with earlier versions such as Windows XP and Windows Server 2003. Differences in functionality are managed internally by the component and do not require you to make platform-specific changes to your code. For example, SocketTools supports both IPv4 and IPv6 networking transparently, depending on the version of Windows and how the system is configured.
Build Custom Server Applications Effortlessly
SocketTools 8.0 has improved the Internet Server component to simplify the development of custom servers, providing an easy-to-use framework where the only code you need to write is in response to events that are sent to your application. With a single function call, you can create a scalable, multi-threaded, event-driven server that can be used to accept connections from clients anywhere in the world, or just on your local intranet. All of the networking, thread management, synchronization and messaging are handled internally by the framework, allowing you to focus on writing your own code without worrying about the complex details of the server implementation.
Enhanced Security Features
SocketTools 8.0 supports 256-bit AES on the Windows 7 and later platforms, enabling your application to take advantage of the latest security features without requiring any changes to your applications. ActiveX controls and .NET classes make it easier to work with client and server certificates that are stored in files on the local system using the standard PKCS12 format, as well as the certificate store in the registry.
Improved Support for Firewalls and Proxy Servers
New options for the File Transfer Protocol allows you to specify alternate port ranges for active mode transfers, making it simpler to integrate with software and hardware firewalls which limits access to certain ports. The Hypertext Transfer Protocol components have improved proxy support and automatic proxy detection which makes it easier to integrate your applications on a customer's network. Support has also been added for virtual hosting, where an FTP server is configured to support multiple domains using a single external IP address.
Expanded Technical Reference Documentation
Available in HTML Help and PDF format, the SocketTools documentation includes a Developer's Guide to get you up and running quickly, and a Technical Reference that provides extensive documentation for every API function, class method, property and event. As an example, the documentation for the SocketTools .NET classes is over 3,200 pages and the SocketTools API is over 2,000 pages.
What's new in SocketTools V7.2?
What's new in SocketTools V7.1?
SocketTools 7.1 includes a number of corrections and improvements. In particular, some internal changes have been made that will generally improve performance over high-speed Internet connections and local networks. Also improved is compatibility with IPv6. Some security and compatibility issues with older versions of Windows have been addressed, primarily Windows XP and Windows Server 2003, with the new networking code in version 7. It also includes updates to the documentation and examples.
What's new in SocketTools Library Edition V7.0?
Now includes both 32-bit and 64-bit components, supports IPv4 and IPv6 network connections, and includes all of the security features that were previously only available in the Secure Edition products.
What's new in SocketTools Library Edition V6.0 SP3?
SocketTools 6.0 Service Pack 3 (SP3) has been released which includes updates for all of the components, documentation and examples.
What's new in SocketTools Library Edition V6.0?
SocketTools 6.0 has been released and offers developers exciting new features, improved performance and full compatibility with the Windows Vista and Windows Server 2008 operating systems. Version 6.0 includes several new components, including a new SSH component for secure interactive terminal sessions and remote command execution, integrated support for secure file transfers using SFTP and a new Internet Server component that allows you to build a customized, scalable, multi-threaded server with only a few lines of code. The SocketTools 6.0 components are compatible with version 4.0 and 5.0 and support side-by-side deployment, simplifying the upgrade process so that you can spend your time improving your software, not rewriting it.
The following are some of the features in the SocketTools Library Edition:
The following protocols are supported by the SocketTools Library Edition:
Domain Name Services
The Domain Name Services protocol is what applications use to resolve domain names into Internet addresses, as well as provide other information about a domain, such as the name of the mail servers which are responsible for receiving e-mail for users in that domain. Using the component, you can perform standard queries against a nameserver, with the enhancements such the ability to enumerate all mail exchange (MX) records sorted in priority order. The component also supports addition record types such as SOA, HINFO and TXT records.
File Encoding and Compression
Using this component, you can encode and decode files using the standard encoding methods such as Base64, Quoted-Printable and Uuencoding. The component also now supports yEnc file encoding, as well as support for URL, UTF-7 and UTF-8 text encoding. Additional data compression options have been added as well, including the ability to select the algorithm and level of compression.
File Transfer Protocol
The component provides both high level functions that enable you to upload or download a file in a single function call, as well as lower level remote file I/O functions for direct control over the transfer by your application. New features include direct transfers to and from memory buffers as well as files, the ability to control what features are enabled for a specific server, and a variety of new functions such as the ability to change a file's modification time and permissions.
The Finger protocol is used to return information about a user on a remote server, as well as general information about the server itself. The component provides an interface for connecting to a server, requesting information about a user and returning that information to the program. You can use this component to obtain information about a user on a remote host, such as the last time they've logged in, whether or not they have any unread mail and what projects they're currently working on. The Finger protocol can also be used to list the users on a system and validate that a user is active.
The Gopher protocol is a document retrieval protocol that pre-dates the Hypertext Transfer Protocol. The advantage that Gopher offers is that it is a simpler, lightweight protocol that doesn’t have the inherent overhead and complexity of a typical HTTP server. The component has been improved to support more document types, along with added functions to make it easier to process an item index or directory. The component also supports retrieving documents with a single function call, storing the contents in memory or in a file on the local system.
Hypertext Transfer Protocol
The component has been significantly enhanced to make accessing resources over the World Wide Web even easier and faster than before. Download the entire contents of a document and store it in memory using a single function call. Post data to a server and the output of the script is returned to your program in memory without requiring that you manually read and process the data stream. With full support for HTTP 1.1, including persistent connections and chunked data processing, the API handles all of the complex protocol details. The Secure Enterprise Edition has full support for secure SSL/TLS connections to a web server, including support for client certificates.
Internet Control Message Protocol
The Internet Control Message Protocol (ICMP) is commonly used to determine if a remote host is reachable and how packets of data are routed to that system. Users are most familiar with this protocol as it is implemented in the ping and tracert command line utilities. The Ping command is used to check if a system is reachable and the amount of time that it takes for a packet of data to make a round trip from the local system, to the remote host and then back again. The Tracert command is used to trace the route that a packet of data takes from the local system to the remote host, and can be used to identify potential problems with overall throughput and latency. The component can be used to build in this type of functionality in your own applications, giving you the ability to send and receive ICMP echo datagrams in order to perform your own analysis. New features include a simplified interface for sending ICMP datagrams, as well as the ability to generate a complex traceroute in a single function call.
Internet Message Access Protocol
The IMAP component enables you to manage those messages on a server, creating new mailboxes, moving message and deleting messages and previewing sections of a message. This component integrates with the Mail Message (MIME) component to make it easy to process those messages and present them to a user.
Multipurpose Internet Mail Extensions
Using the component, you can easily create complex multipart messages, including those with alternative content formats, such as plain text and styled HTML in the same message. You can also attach files, extract attachments, create custom headers, export messages and perform a variety of other message related functions. The Mail Message component integrates with the IMAP, NNTP, POP3 and SMTP libraries to provide the services they need to process mail messages and news articles. New features include the ability to create multipart alternative content messages in a single function call, expanded support for encoded headers and nested multipart messages and improved performance when handling large file attachments.
Network News Transfer Protocol
There have been significant improvements to this component, enabling applications to easily list available newsgroups and articles, the ability to download complete articles in a single function call and tighter integration with the Mail Message component.
Post Office Protocol
This is the most popular e-mail protocol used by Internet Service Providers (ISPs) and the SocketTools component provides a complete interface for managing a user’s mailbox. This component is typically used in conjunction with the Mail Message component, which is used to process the messages that are retrieved from the server.
Remote Command Protocol
The SocketTools component provides an interface to this protocol, enabling applications to remotely execute a command and process the output. This is most commonly used with UNIX based servers, although there are implementations of remote command servers for the Windows operating system. The SocketTools component supports both the rcmd and rshell remote execution protocols and provides functions which can be used to search the data stream for specific sequences of characters. This makes it extremely easy to write Windows applications which serve as light-weight client interfaces to commands being executed on a UNIX server or another Windows system. The component can also be used to establish a remote terminal session using the rlogin protocol, which is similar to how the Telnet protocol functions.
Simple Mail Transfer Protocol
The component provides an API for addressing and delivering messages, and extended features such as user authentication and delivery status notification. Unlike Microsoft’s Messaging API (MAPI) or Collaboration Data Objects (CDO), there is no requirement to have certain third-party e-mail applications installed or specific types of servers installed on the local system. The SocketTools component can be used to deliver mail through a wide variety of systems, from standard UNIX based mail servers to Windows systems running Exchange or Lotus Notes and Domino. Using the SocketTools component, messages can be delivered directly to the recipient, or they can be routed through a relay server, such as an Internet Service Provider’s mail system. The Mail Message component can be integrated with this component in order to provide an extremely simple, yet flexible interface for composing and delivering mail messages.
The Telnet component provides an API for establishing the connection, negotiating certain options (such as whether characters will be echoed back to the client) and handling the standard I/O functions needed by the program. The component also provides functions that enable a program to easily scan the data stream for specific sequences of characters, making it very simple to write light-weight client interfaces to applications running on the server. This component can be combined with the Terminal Emulation component to provide complete terminal emulation services for a standard ANSI or DEC-VT220 terminal.
The Terminal Emulation component provides a comprehensive API for emulating an ANSI or DEC-VT220 character terminal, with full support for all standard escape and control sequences, color mapping and other advanced features. The component functions provide both a high level interface for parsing escape sequences and updating a display, as well as lower level primitives for directly managing the virtual display, such as controlling the individual display cells, moving the cursor position and specifying display attributes. This component can be used in conjunction with the Remote Command or Telnet Protocol component to provide terminal emulation services for an application, or it can be used independently. For example, this component could also be used to provide emulation services for a program that provides serial modem connections to a server.
The Time Protocol component provides an interface for synchronizing the local system’s time and date with that of a remote server. The component enables developers to query a server for the current time and then update the system clock if desired.
The WhoIs protocol component provides an interface for requesting information about an Internet domain name. When a domain name is registered, the organization that registers the domain must provide certain contact information along with technical information such as the primary name servers for that domain. The WhoIs protocol enables an application to query a server that provides that registration information. The SocketTools component provides an API for requesting that information and returning it to the program so that it can be displayed or processed.
At the core of all of the SocketTools networking libraries is the Windows Sockets API which provides a low level interface for sending and receiving data over the Internet or a local intranet. The SocketWrench component provides a simpler interface to the Windows Sockets API, without sacrificing features or functionality. Using SocketWrench, you can easily create client and server applications while avoiding many of the mundane tasks and common problems that programmers face when developing Internet applications. The SocketWrench component can be particularly useful for programmers who are developing in languages other than C and C++. SocketWrench does not require the use of complex data structures or use functions which require data types that are common in C or C++, but not as easily implemented in other languages.
Catalyst Development Corporation