From dc65ef038279df55d5e49052eabac4eae2617ee1 Mon Sep 17 00:00:00 2001
From: Jeffrey Armstrong <jeffrey.armstrong@approximatrix.com>
Date: Wed, 14 Dec 2016 09:14:39 -0500
Subject: Now compiles with Turbo C 2.0 using included makefile.  Added better
 logging (to screen).  Added supprot for opening and sending gzip'ed files if
 available on disk.

---
 httpd/httpd.c | 50 +++++++++++++++++++++++++++++++++++++++++---------
 1 file changed, 41 insertions(+), 9 deletions(-)

(limited to 'httpd/httpd.c')

diff --git a/httpd/httpd.c b/httpd/httpd.c
index c7cc49c..459bfa2 100644
--- a/httpd/httpd.c
+++ b/httpd/httpd.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2009 Jeffrey Armstrong
+ * Copyright (c) 2009, 2016 Jeffrey Armstrong
  * Copyright (c) 2001-2005, Adam Dunkels.
  * All rights reserved.
  *
@@ -37,6 +37,7 @@
 #include "http-str.h"
 
 #include <string.h>
+#include <time.h>
 
 #define STATE_WAITING 0
 #define STATE_OUTPUT  1
@@ -62,7 +63,7 @@ static unsigned short generate_part_of_file(void *state)
   
   fread(uip_appdata,sizeof(char),s->len,s->file.fp);
 
-  if(s->len == s->file.len)
+  if(s->len >= s->file.len)
       fclose(s->file.fp);
   
   return s->len;
@@ -95,17 +96,22 @@ static PT_THREAD(send_headers(struct httpd_state *s, const char *statushdr))
   char *ptr;
 
   PSOCK_BEGIN(&s->sout);
-
+  
   PSOCK_SEND_STR(&s->sout, statushdr);
 
+  if(s->compressed)
+    PSOCK_SEND_STR(&s->sout, http_content_encode);
+
   ptr = strrchr(s->filename, ISO_period);
   if(ptr == NULL) {
     PSOCK_SEND_STR(&s->sout, http_content_type_binary);
   } else if(strncmp(http_html, ptr, 5) == 0 ||
             strncmp(http_shtml, ptr, 6) == 0 ||
-            strncmp(http_htm, ptr, 4) == 0) {
+            strncmp(http_htm, ptr, 4) == 0 ||
+            strncmp(http_hgz, ptr, 4) == 0) {
     PSOCK_SEND_STR(&s->sout, http_content_type_html);
-  } else if(strncmp(http_css, ptr, 4) == 0) {
+  } else if(strncmp(http_css, ptr, 4) == 0 ||
+            strncmp(http_cgz, ptr, 4) == 0) {
     PSOCK_SEND_STR(&s->sout, http_content_type_css);
   } else if(strncmp(http_png, ptr, 4) == 0) {
     PSOCK_SEND_STR(&s->sout, http_content_type_png);
@@ -116,6 +122,7 @@ static PT_THREAD(send_headers(struct httpd_state *s, const char *statushdr))
   } else {
     PSOCK_SEND_STR(&s->sout, http_content_type_plain);
   }
+  
   PSOCK_END(&s->sout);
 }
 
@@ -123,8 +130,19 @@ static PT_THREAD(send_headers(struct httpd_state *s, const char *statushdr))
 static PT_THREAD(handle_output(struct httpd_state *s))
 {
   char *ptr;
+  time_t ltime;
   
   PT_BEGIN(&s->outputpt);
+
+  printf("%s requested - ", s->filename);
+  
+  if(s->compressed == 1 && compressed_available(s->filename) == 1)
+    compressed_name(s->filename);
+  else
+    s->compressed = 0;
+  
+  ltime = time(NULL);
+  printf("using %s - %s", s->filename, ctime(&ltime));
  
   if(httpd_fs_open(s->filename, &s->file) < 0) {
 
@@ -141,15 +159,18 @@ static PT_THREAD(handle_output(struct httpd_state *s))
     PT_WAIT_THREAD(&s->outputpt,
                    send_headers(s,
                    http_header_200));
-    ptr = strchr(s->filename, ISO_period);
+    /* ptr = strchr(s->filename, ISO_period); */
     PT_WAIT_THREAD(&s->outputpt, send_file(s));
   }
+  
   PSOCK_CLOSE(&s->sout);
   PT_END(&s->outputpt);
 }
 
 static PT_THREAD(handle_input(struct httpd_state *s))
 {
+  int i;
+  
   PSOCK_BEGIN(&s->sin);
 
   PSOCK_READTO(&s->sin, ISO_space);
@@ -172,18 +193,29 @@ static PT_THREAD(handle_input(struct httpd_state *s))
   }
 
   /*  httpd_log_file(uip_conn->ripaddr, s->filename);*/
-  
-  s->state = STATE_OUTPUT;
-
+  s->compressed = 0;
   while(1) {
     PSOCK_READTO(&s->sin, ISO_nl);
 
     if(strncmp(s->inputbuf, http_referer, 8) == 0) {
       s->inputbuf[PSOCK_DATALEN(&s->sin) - 2] = 0;
       /*      httpd_log(&s->inputbuf[9]);*/
+    } else if(strncmp(s->inputbuf, http_accept_encode, 17) == 0) {
+      i = 17;
+      while(s->inputbuf[i] != ISO_nl) {
+        if(strncmp(&s->inputbuf[i], http_gzip, 4) == 0) {
+          s->compressed = 1;
+          break;
+        }
+        i++;
+      } 
+    } else if(PSOCK_DATALEN(&s->sin) < 3) {
+      break;
     }
+    
   }
   
+  s->state = STATE_OUTPUT;
   PSOCK_END(&s->sin);
 }
 
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