output.c

c语言实现的web http报文分析

            hptr->string);
         h_reg--;
      }
   }

   fprintf(out_fp,"</PRE></FONT>\n");
   write_html_tail(out_fp);
   fclose(out_fp);
   return 1;
}

/*********************************************/
/* TOP_URLS_TABLE - generate top n table     */
/*********************************************/

void top_urls_table(int flag)
{
   u_long cnt=0,u_reg=0,u_grp=0,u_hid=0, tot_num;
   int i;
   UNODEPTR uptr, *pointer;

   cnt=a_ctr; pointer=u_array;
   while (cnt--)
   {
      /* calculate totals */
      switch ( (int)((UNODEPTR)(*pointer)->flag) )
      {
         case OBJ_REG:  u_reg++;  break;
         case OBJ_GRP:  u_grp++;  break;
         case OBJ_HIDE: u_hid++;  break;
      }
      pointer++;
   }

   if ( (tot_num=u_reg+u_grp)==0 ) return;              /* split if none    */
   i=(flag)?ntop_urlsK:ntop_urls;                       /* Hits or KBytes?? */
   if (tot_num > i) tot_num = i;                        /* get max to do... */
   if ((!flag) || (flag&&!ntop_urls))                   /* now do <A> tag   */
      fprintf(out_fp,"<A NAME=\"TOPURLS\"></A>\n");

   fprintf(out_fp,"<TABLE WIDTH=510 BORDER=2 CELLSPACING=1 CELLPADDING=1>\n");
   fprintf(out_fp,"<TR><TH HEIGHT=4></TH></TR>\n");
   if (flag) fprintf(out_fp,"<TR><TH BGCOLOR=\"%s\" ALIGN=CENTER COLSPAN=6>"  \
           "%s %lu %s %lu %s %s %s</TH></TR>\n",
           GREY,msg_top_top,tot_num,msg_top_of,
           t_url,msg_top_u,msg_h_by,msg_h_xfer);
   else fprintf(out_fp,"<TR><TH BGCOLOR=\"%s\" ALIGN=CENTER COLSPAN=6>"   \
           "%s %lu %s %lu %s</TH></TR>\n",
           GREY,msg_top_top,tot_num,msg_top_of,t_url,msg_top_u);
   fprintf(out_fp,"<TR><TH HEIGHT=4></TH></TR>\n");
   fprintf(out_fp,"<TR><TH BGCOLOR=\"%s\" ALIGN=center>"                  \
                  "<FONT SIZE=\"-1\">#</FONT></TH>\n",GREY);
   fprintf(out_fp,"<TH BGCOLOR=\"%s\" ALIGN=center COLSPAN=2>"            \
                  "<FONT SIZE=\"-1\">%s</FONT></TH>\n",
                  DKGREEN,msg_h_hits);
   fprintf(out_fp,"<TH BGCOLOR=\"%s\" ALIGN=center COLSPAN=2>"            \
                  "<FONT SIZE=\"-1\">%s</FONT></TH>\n",
                  RED,msg_h_xfer);
   fprintf(out_fp,"<TH BGCOLOR=\"%s\" ALIGN=center>"                      \
                  "<FONT SIZE=\"-1\">%s</FONT></TH></TR>\n",
                  CYAN,msg_h_url);
   fprintf(out_fp,"<TR><TH HEIGHT=4></TH></TR>\n");

   pointer=u_array; i=0;
   while (tot_num)
   {
      uptr=*pointer++;             /* point to the URL node */
      if (uptr->flag != OBJ_HIDE)
      {
         /* shade grouping? */
         if (shade_groups && (uptr->flag==OBJ_GRP))
            fprintf(out_fp,"<TR BGCOLOR=\"%s\">\n", GRPCOLOR);
         else fprintf(out_fp,"<TR>\n");

         fprintf(out_fp,
            "<TD ALIGN=center><FONT SIZE=\"-1\"><B>%d</B></FONT></TD>\n" \
            "<TD ALIGN=right><FONT SIZE=\"-1\"><B>%lu</B></FONT></TD>\n" \
            "<TD ALIGN=right><FONT SIZE=\"-2\">%3.02f%%</FONT></TD>\n"   \
            "<TD ALIGN=right><FONT SIZE=\"-1\"><B>%.0f</B></FONT></TD>\n"\
            "<TD ALIGN=right><FONT SIZE=\"-2\">%3.02f%%</FONT></TD>\n"   \
            "<TD ALIGN=left NOWRAP><FONT SIZE=\"-1\">",
            i+1,uptr->count,
            (t_hit==0)?0:((float)uptr->count/t_hit)*100.0,
            uptr->xfer/1024,
            (t_xfer==0)?0:((float)uptr->xfer/t_xfer)*100.0);

         if (uptr->flag==OBJ_GRP)
         {
            if (hlite_groups)
               fprintf(out_fp,"<STRONG>%s</STRONG></FONT></TD></TR>\n",
                uptr->string);
            else fprintf(out_fp,"%s</FONT></TD></TR>\n",uptr->string);
         }
         else 
	 {
            /* check for a service prefix (ie: http://) */
            if (strstr(uptr->string,"://")!=NULL)
               fprintf(out_fp,"<A HREF=\"%s\">%s</A></FONT></TD></TR>\n",
                 uptr->string,uptr->string);
	    else
            {
               if (log_type == LOG_FTP) /* FTP log? */
                   fprintf(out_fp,"%s</FONT></TD></TR>\n",uptr->string);
               else
               {             /* Web log  */
                  if (use_https)
                     /* secure server mode, use https:// */
                     fprintf(out_fp,
                     "<A HREF=\"https://%s%s\">%s</A></FONT></TD></TR>\n",
                      hname,uptr->string,uptr->string);
                   else
                      /* otherwise use standard 'http://' */
                      fprintf(out_fp,
                      "<A HREF=\"http://%s%s\">%s</A></FONT></TD></TR>\n",
                      hname,uptr->string,uptr->string);
               }
            }
	 }
         tot_num--;
         i++;
      }
   }
   fprintf(out_fp,"<TR><TH HEIGHT=4></TH></TR>\n");
   if ((!flag) || (flag&&!ntop_urls))
   {
      if ( (all_urls) && ((u_reg+u_grp)>ntop_urls) )
      {
         if (all_urls_page(u_reg, u_grp))
         {
            fprintf(out_fp,"<TR BGCOLOR=\"%s\">",GRPCOLOR);
            fprintf(out_fp,"<TD COLSPAN=6 ALIGN=\"center\">\n");
            fprintf(out_fp,"<FONT SIZE=\"-1\">");
            fprintf(out_fp,"<A HREF=\"./url_%04d%02d.%s\">",
                    cur_year,cur_month,html_ext);
            fprintf(out_fp,"%s</A></TD></TR>\n",msg_v_urls);
            if (flag)   /* do we need to sort first? */
               qsort(u_array,a_ctr,sizeof(UNODEPTR),qs_url_cmph);
         }
      }
   }
   fprintf(out_fp,"</TABLE>\n<P>\n");
}

/*********************************************/
/* ALL_URLS_PAGE - HTML page of all urls     */
/*********************************************/

int all_urls_page(u_long u_reg, u_long u_grp)
{
   UNODEPTR uptr, *pointer;
   char     url_fname[256], buffer[256];
   FILE     *out_fp;
   int      i=(u_grp)?1:0;

   /* generate file name */
   sprintf(url_fname,"url_%04d%02d.%s",cur_year,cur_month,html_ext);

   /* open file */
   if ( (out_fp=open_out_file(url_fname))==NULL ) return 0;

   sprintf(buffer,"%s %d - %s",l_month[cur_month-1],cur_year,msg_h_url);
   write_html_head(buffer, out_fp);

   fprintf(out_fp,"<FONT SIZE=\"-1\"></CENTER><PRE>\n");

   fprintf(out_fp," %12s      %12s      %s\n",
           msg_h_hits,msg_h_xfer,msg_h_url);
   fprintf(out_fp,"----------------  ----------------  " \
                  "--------------------\n\n");

   /* do groups first (if any) */
   pointer=u_array;
   while (u_grp)
   {
      uptr=*pointer++;
      if (uptr->flag == OBJ_GRP)
      {
         fprintf(out_fp,"%-8lu %6.02f%%  %8.0f %6.02f%%  %s\n",
            uptr->count,
            (t_hit==0)?0:((float)uptr->count/t_hit)*100.0,
            uptr->xfer/1024,
            (t_xfer==0)?0:((float)uptr->xfer/t_xfer)*100.0,
            uptr->string);
         u_grp--;
      }
   }

   if (i) fprintf(out_fp,"\n");

   /* now do invididual sites (if any) */
   pointer=u_array;
   while (u_reg)
   {
      uptr=*pointer++;
      if (uptr->flag == OBJ_REG)
      {
         fprintf(out_fp,"%-8lu %6.02f%%  %8.0f %6.02f%%  %s\n",
            uptr->count,
            (t_hit==0)?0:((float)uptr->count/t_hit)*100.0,
            uptr->xfer/1024,
            (t_xfer==0)?0:((float)uptr->xfer/t_xfer)*100.0,
            uptr->string);
         u_reg--;
      }
   }

   fprintf(out_fp,"</PRE></FONT>\n");
   write_html_tail(out_fp);
   fclose(out_fp);
   return 1;
}

/*********************************************/
/* TOP_ENTRY_TABLE - top n entry/exit urls   */
/*********************************************/

void top_entry_table(int flag)
{
   u_long cnt=0, u_entry=0, u_exit=0, tot_num;
   u_long t_entry=0, t_exit=0;
   int i;
   UNODEPTR uptr, *pointer;

   cnt=a_ctr; pointer=u_array;
   while (cnt--)
   {
      if ( (int)((UNODEPTR)(*pointer)->flag) == OBJ_REG )
      {
         if ( (u_long)((UNODEPTR)(*pointer)->entry) )
            {  u_entry++; t_entry+=(u_long)((UNODEPTR)(*pointer)->entry); }
         if ( (u_long)((UNODEPTR)(*pointer)->exit)  )
            { u_exit++;   t_exit +=(u_long)((UNODEPTR)(*pointer)->exit);  }
      }
      pointer++;
   }

   /* calculate how many we have */
   tot_num=(flag)?u_exit:u_entry;
   if (flag) { if (tot_num > ntop_exit ) tot_num=ntop_exit;  }
   else      { if (tot_num > ntop_entry) tot_num=ntop_entry; }

   /* return if none to do */
   if (!tot_num) return;

   if (flag) fprintf(out_fp,"<A NAME=\"TOPEXIT\"></A>\n"); /* do anchor tag */
   else      fprintf(out_fp,"<A NAME=\"TOPENTRY\"></A>\n");

   fprintf(out_fp,"<TABLE WIDTH=510 BORDER=2 CELLSPACING=1 CELLPADDING=1>\n");
   fprintf(out_fp,"<TR><TH HEIGHT=4></TH></TR>\n");
   fprintf(out_fp,"<TR><TH BGCOLOR=\"%s\" ALIGN=CENTER COLSPAN=6>"        \
           "%s %lu %s %lu %s</TH></TR>\n",
           GREY,msg_top_top,tot_num,msg_top_of,
           (flag)?u_exit:u_entry,(flag)?msg_top_ex:msg_top_en);
   fprintf(out_fp,"<TR><TH HEIGHT=4></TH></TR>\n");
   fprintf(out_fp,"<TR><TH BGCOLOR=\"%s\" ALIGN=center>"                  \
                  "<FONT SIZE=\"-1\">#</FONT></TH>\n",
                  GREY);
   fprintf(out_fp,"<TH BGCOLOR=\"%s\" ALIGN=center COLSPAN=2>"            \
                  "<FONT SIZE=\"-1\">%s</FONT></TH>\n",
                  DKGREEN,msg_h_hits);
   fprintf(out_fp,"<TH BGCOLOR=\"%s\" ALIGN=center COLSPAN=2>"            \
                  "<FONT SIZE=\"-1\">%s</FONT></TH>\n",
                  YELLOW,msg_h_visits);
   fprintf(out_fp,"<TH BGCOLOR=\"%s\" ALIGN=center>"                      \
                  "<FONT SIZE=\"-1\">%s</FONT></TH></TR>\n",
                  CYAN,msg_h_url);
   fprintf(out_fp,"<TR><TH HEIGHT=4></TH></TR>\n");

   pointer=u_array; i=0;
   while (tot_num)
   {
      uptr=*pointer++;
      if (uptr->flag != OBJ_HIDE)
      {
         fprintf(out_fp,"<TR>\n");
         fprintf(out_fp,
             "<TD ALIGN=center><FONT SIZE=\"-1\"><B>%d</B></FONT></TD>\n" \
             "<TD ALIGN=right><FONT SIZE=\"-1\"><B>%lu</B></FONT></TD>\n" \
             "<TD ALIGN=right><FONT SIZE=\"-2\">%3.02f%%</FONT></TD>\n"   \
             "<TD ALIGN=right><FONT SIZE=\"-1\"><B>%lu</B></FONT></TD>\n" \
             "<TD ALIGN=right><FONT SIZE=\"-2\">%3.02f%%</FONT></TD>\n"   \
             "<TD ALIGN=left NOWRAP><FONT SIZE=\"-1\">",
             i+1,uptr->count,
             (t_hit==0)?0:((float)uptr->count/t_hit)*100.0,
             (flag)?uptr->exit:uptr->entry,
             (flag)?((t_exit==0)?0:((float)uptr->exit/t_exit)*100.0)
                   :((t_entry==0)?0:((float)uptr->entry/t_entry)*100.0));

         /* check for a service prefix (ie: http://) */
         if (strstr(uptr->string,"://")!=NULL)
          fprintf(out_fp,
             "<A HREF=\"%s\">%s</A></FONT></TD></TR>\n",
              uptr->string,uptr->string);
	 else
         {
            if (use_https)
            /* secure server mode, use https:// */
             fprintf(out_fp,
                "<A HREF=\"https://%s%s\">%s</A></FONT></TD></TR>\n",
                 hname,uptr->string,uptr->string);
            else
            /* otherwise use standard 'http://' */
             fprintf(out_fp,
                "<A HREF=\"http://%s%s\">%s</A></FONT></TD></TR>\n",
                 hname,uptr->string,uptr->string);
	 }
         tot_num--;
         i++;
      }
   }
   fprintf(out_fp,"<TR><TH HEIGHT=4></TH></TR>\n");
   fprintf(out_fp,"</TABLE>\n<P>\n");
}

/*********************************************/
/* TOP_REFS_TABLE - generate top n table     */
/*********************************************/

void top_refs_table()
{
   u_long cnt=0, r_reg=0, r_grp=0, r_hid=0, tot_num;
   int i;
   RNODEPTR rptr, *pointer;

   if (t_ref==0) return;        /* return if none to process */

   cnt=a_ctr; pointer=r_array;
   while(cnt--)
   {
      /* calculate totals */