structures.c

Dynamic C 程式源碼 用來控制RCM5700 rs232 連接到網路設定

/*******************************************************************************
        Samples\TcpIp\RabbitWeb\structures.c
        Rabbit Semiconductor, 2004

        Demonstrates the use of structures in the RabbitWeb HTTP enhancements.
        See also the

        samples\tcpip\rabbitweb\pages\structures.zhtml

        page that demonstrates the corresponding ZHTML scripting features for
        structures.

*******************************************************************************/

/***********************************
 * Configuration                   *
 * -------------                   *
 * All fields in this section must *
 * be altered to match your local  *
 * network settings.               *
 ***********************************/

/*
 * NETWORK CONFIGURATION
 * Please see the function help (Ctrl-H) on TCPCONFIG for instructions on
 * compile-time network configuration.
 */
#define TCPCONFIG 1

/********************************
 * End of configuration section *
 ********************************/

/*
 * This is needed to be able to use the RabbitWeb HTTP enhancements and the
 * ZHTML scripting language.
 */
#define USE_RABBITWEB 1

#memmap xmem

#use "dcrtcp.lib"
#use "http.lib"

/*
 * This page contains the ZHTML portion of the selection variable demonstration
 */
#ximport "samples/tcpip/rabbitweb/pages/structures.zhtml"	structures_zhtml

/* The default mime type for '/' must be first */
SSPEC_MIMETABLE_START
   // This handler enables the ZHTML parser to be used on ZHTML files...
	SSPEC_MIME_FUNC(".zhtml", "text/html", zhtml_handler),
	SSPEC_MIME(".html", "text/html")
SSPEC_MIMETABLE_END

/* Associate the #ximported files with the web server */
SSPEC_RESOURCETABLE_START
	SSPEC_RESOURCE_XMEMFILE("/", structures_zhtml),
	SSPEC_RESOURCE_XMEMFILE("/index.zhtml", structures_zhtml)
SSPEC_RESOURCETABLE_END

/*
 * Structure variable to be registered.  Note that you can use watch
 * expressions or the evaluate expression feature during runtime to ensure that
 * the variables have properly changed values.
 */

struct foo_struct {
	int a;
	struct {
		int b;
		long c;
	} bar;
	char d;
};

struct foo_struct foo;
struct foo_struct foo2;

/*
 * #web statements
 */

// In the following statement, the entire foo structure is registered at once.
// The guard expression checks all members.
#web foo (($foo.a > 5) && (($foo.d == 'A') || ($foo.d == 'B')) && \
          ($foo.bar.b > 0) && ($foo.bar.c > 30000))
// Below, each member of foo2 is registered separately.  Note that if there
// were a member of foo2 that was not registered, then it would not be
// accessible to the ZHTML scripting language (unlike above, where all members
// would be accessible).
#web foo2.a ($foo2.a > 5)
#web foo2.d (($foo2.d == 'A') || ($foo2.d == 'B'))
#web foo2.bar.b ($foo2.bar.b > 0)
#web foo2.bar.c ($foo2.bar.c > 30000)

void main(void)
{
	// Initialize the #web-registered variables
	foo.a = 10;
	foo.bar.b = 2;
	foo.bar.c = 50000;
	foo.d = 'B';

	foo2.a = 20;
	foo2.bar.b = 4;
	foo2.bar.c = 100000;
	foo2.d = 'A';

	// Initialize the TCP/IP stack and HTTP server
	// Start network and wait for interface to come up (or error exit).
	sock_init_or_exit(1);
   http_init();

	// This yields a performance improvement for an HTTP server
	tcp_reserveport(80);

   while (1) {
		// Drive the HTTP server
      http_handler();
   }
}