Updated C64 specific parts of the web server script functions
diff --git a/contiki-c64/apps/httpd-cgi.c b/contiki-c64/apps/httpd-cgi.c
new file mode 100644
index 0000000..2c8833b
--- /dev/null
+++ b/contiki-c64/apps/httpd-cgi.c
@@ -0,0 +1,282 @@
+/*
+ * Copyright (c) 2001, Adam Dunkels.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * This product includes software developed by Adam Dunkels.
+ * 4. The name of the author may not be used to endorse or promote
+ * products derived from this software without specific prior
+ * written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
+ * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+ * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * This file is part of the uIP TCP/IP stack.
+ *
+ * $Id: httpd-cgi.c,v 1.1 2003/08/09 13:24:36 adamdunkels Exp $
+ *
+ */
+
+/*
+ * This file includes functions that are called by the web server
+ * scripts. The functions takes no argument, and the return value is
+ * interpreted as follows. A zero means that the function did not
+ * complete and should be invoked for the next packet as well. A
+ * non-zero value indicates that the function has completed and that
+ * the web server should move along to the next script line.
+ *
+ */
+
+#include "uip.h"
+#include "httpd.h"
+#include "httpd-cgi.h"
+#include "httpd-fs.h"
+
+#include "petsciiconv.h"
+
+#ifdef __CBM__
+#include <cbm.h>
+#include <c64.h>
+#endif /* __CBM__ */
+
+#include <stdio.h>
+#include <string.h>
+
+static u8_t file_stats(void);
+static u8_t tcp_stats(void);
+static u8_t processes(void);
+
+static u8_t d64output(void);
+static u8_t diroutput(void);
+
+httpd_cgifunction httpd_cgitab[] = {
+ NULL,
+ tcp_stats, /* CGI function "b" */
+ processes, /* CGI function "c" */
+
+ d64output, /* CGI function "d" */
+};
+
+static const char closed[] = /* "CLOSED",*/
+{0x43, 0x4c, 0x4f, 0x53, 0x45, 0x44, 0};
+static const char syn_rcvd[] = /* "SYN-RCVD",*/
+{0x53, 0x59, 0x4e, 0x2d, 0x52, 0x43, 0x56,
+ 0x44, 0};
+static const char syn_sent[] = /* "SYN-SENT",*/
+{0x53, 0x59, 0x4e, 0x2d, 0x53, 0x45, 0x4e,
+ 0x54, 0};
+static const char established[] = /* "ESTABLISHED",*/
+{0x45, 0x53, 0x54, 0x41, 0x42, 0x4c, 0x49, 0x53, 0x48,
+ 0x45, 0x44, 0};
+static const char fin_wait_1[] = /* "FIN-WAIT-1",*/
+{0x46, 0x49, 0x4e, 0x2d, 0x57, 0x41, 0x49,
+ 0x54, 0x2d, 0x31, 0};
+static const char fin_wait_2[] = /* "FIN-WAIT-2",*/
+{0x46, 0x49, 0x4e, 0x2d, 0x57, 0x41, 0x49,
+ 0x54, 0x2d, 0x32, 0};
+static const char closing[] = /* "CLOSING",*/
+{0x43, 0x4c, 0x4f, 0x53, 0x49,
+ 0x4e, 0x47, 0};
+static const char time_wait[] = /* "TIME-WAIT,"*/
+{0x54, 0x49, 0x4d, 0x45, 0x2d, 0x57, 0x41,
+ 0x49, 0x54, 0};
+static const char last_ack[] = /* "LAST-ACK"*/
+{0x4c, 0x41, 0x53, 0x54, 0x2d, 0x41, 0x43,
+ 0x4b, 0};
+
+static const char *states[] = {
+ closed,
+ syn_rcvd,
+ syn_sent,
+ established,
+ fin_wait_1,
+ fin_wait_2,
+ closing,
+ time_wait,
+ last_ack};
+
+
+/*-----------------------------------------------------------------------------------*/
+#if 0
+static u8_t
+file_stats(void)
+{
+ /* We use sprintf() to print the number of file accesses to a
+ particular file (given as an argument to the function in the
+ script). We then use uip_send() to actually send the data. */
+ if(uip_acked()) {
+ return 1;
+ }
+ uip_send(uip_appdata, sprintf((char *)uip_appdata, "%5u", httpd_fs_count(&hs->script[4])));
+ return 0;
+}
+#endif /* 0 */
+/*-----------------------------------------------------------------------------------*/
+static u8_t
+tcp_stats(void)
+{
+ register struct uip_conn *conn;
+
+ if(uip_acked()) {
+ /* If the previously sent data has been acknowledged, we move
+ forward one connection. */
+ if(++hs->count == UIP_CONNS) {
+ /* If all connections has been printed out, we are done and
+ return 1. */
+ return 1;
+ }
+ }
+
+ conn = &uip_conns[hs->count];
+ while((conn->tcpstateflags & TS_MASK) == CLOSED) {
+ if(++hs->count == UIP_CONNS) {
+ /* If all connections has been printed out, we are done and
+ return 1. */
+ return 1;
+ }
+ conn = &uip_conns[hs->count];
+ }
+
+ uip_send(uip_appdata, sprintf((char *)uip_appdata,
+ "<tr><td>%d</td><td>%u.%u.%u.%u:%u</td><td>%s</td><td>%u</td><td>%u</td><td>%c %c</td></tr>\r\n",
+ htons(conn->lport),
+ htons(conn->ripaddr[0]) >> 8,
+ htons(conn->ripaddr[0]) & 0xff,
+ htons(conn->ripaddr[1]) >> 8,
+ htons(conn->ripaddr[1]) & 0xff,
+ htons(conn->rport),
+ states[conn->tcpstateflags & TS_MASK],
+ conn->nrtx,
+ conn->timer,
+ (uip_outstanding(conn))? '*':' ',
+ (uip_stopped(conn))? '!':' '));
+
+ return 0;
+}
+/*-----------------------------------------------------------------------------------*/
+static u8_t
+processes(void)
+{
+ u8_t i;
+ register struct dispatcher_proc *p;
+ char name[40];
+
+ p = DISPATCHER_PROCS();
+ for(i = 0; i < hs->count; ++i) {
+ if(p != NULL) {
+ p = p->next;
+ }
+ }
+
+ if(uip_acked()) {
+ /* If the previously sent data has been acknowledged, we move
+ forward one connection. */
+ ++hs->count;
+ if(p != NULL) {
+ p = p->next;
+ }
+ if(p == NULL) {
+ /* If all processes have been printed out, we are done and
+ return 1. */
+ return 1;
+ }
+ }
+
+ strncpy(name, p->name, 40);
+ petsciiconv_toascii(name, 40);
+ uip_send(uip_appdata,
+ sprintf((char *)uip_appdata,
+ "<tr align=\"center\"><td>%3d</td><td>%s</td><td>0x%04x</td><td>0x%04x</td><td>0x%04x</td></tr>\r\n",
+ p->id, name,
+ p->idle, p->signalhandler, p->uiphandler));
+ return 0;
+}
+/*-----------------------------------------------------------------------------------*/
+struct drv_state {
+ u8_t track;
+ u8_t sect;
+};
+
+static struct drv_state ds;
+
+
+#include "c64-dio.h"
+
+static void
+read_sector(void)
+{
+ c64_dio_read_block(ds.track, ds.sect, uip_appdata);
+}
+
+static u8_t
+next_sector(void)
+{
+ ++ds.sect;
+ if(ds.track < 18) {
+ if(ds.sect == 21) {
+ ++ds.track;
+ ds.sect = 0;
+ }
+ } else if(ds.track < 25) {
+ if(ds.sect == 19) {
+ ++ds.track;
+ ds.sect = 0;
+ }
+ } else if(ds.track < 31) {
+ if(ds.sect == 18) {
+ ++ds.track;
+ ds.sect = 0;
+ }
+ } else if(ds.track < 36) {
+ if(ds.sect == 17) {
+ ++ds.track;
+ ds.sect = 0;
+ }
+ }
+
+ if(ds.track == 36) {
+ return 1;
+ }
+ return 0;
+}
+
+static u8_t
+d64output(void)
+{
+ if(hs->count == 0) {
+ ds.track = 1;
+ ds.sect = 0;
+ /* c64_dio_init(8);*/
+ }
+
+ if(uip_acked()) {
+ ++hs->count;
+ if(next_sector()) {
+ return 1;
+ }
+ }
+
+ read_sector();
+ uip_send(uip_appdata, 256);
+ return 0;
+}
+
+/*-----------------------------------------------------------------------------------*/