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HS TFTP is a software library in C (supplied with full source code) which implements Trivial File Transfer Protocol (TFTP) over UDP socket layer according to RFC 1350. Support for client and server side for both file get and put are provided. Up to 100 concurrent sessions are supported. TFTP blocksize option is also supported (RFC 1782, RFC 1783). A version of HS TFTP for Windows Mobile / WinCE is also available, contact us for more information
HS TFTP is supplied in a form of full ANSI C source code and binaries and would require no or minimal integration effort by the customer, assisted by Hillstone Software after sales support.
The use of HS TFTP C Source Library is Royalty Free.
• TFTP server and client • Defaults to 100 concurrent sessions • Configurable block size (default 512), TFTP blocksize option (RFC 1782 and RFC 1783) • TFTP File upload • TFTP File download
Model of operation
When user application initlialises Hs TFTP library, it provides interface callbacks for the services used by HS TFTP protocol module: timer management, memory management and event callbacks. This architecture makes it easy to port HS TFTP protocol module to any environment. HS TFTP internally at a lower layer interfaces to HS Sock library which provides UDP transport services. User application need not worry about Winsock - HS TFTP does all transmission, reception and event handling over socket layer
TFTP module handles all protocol information flow, error recovery, acknowledgements, timeouts and so on. When it is appropriate to send next block of data HS TFTP will get next memory block from user application. Similarly, when data has been received HS TFTP module will get the next block of memory from user application to store data into
Along with XMODEM or as an alternative, TFTP is often used in embedded devices and appliances for the purpose of software or configuration upgrade or retrieval.
Hillstone Software provides additional services for customization, porting and integration of the library code to better suit the needs of your products