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Adding plasma example
This commit is contained in:
Carlos Camargo
230
plasma/kernel/http.c
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230
plasma/kernel/http.c
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/*--------------------------------------------------------------------
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* TITLE: Plasma TCP/IP HTTP Server
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* AUTHOR: Steve Rhoads (rhoadss@yahoo.com)
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* DATE CREATED: 4/22/06
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* FILENAME: http.c
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* PROJECT: Plasma CPU core
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* COPYRIGHT: Software placed into the public domain by the author.
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* Software 'as is' without warranty. Author liable for nothing.
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* DESCRIPTION:
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* Plasma TCP/IP HTTP Server
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*--------------------------------------------------------------------*/
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#ifdef WIN32
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <ctype.h>
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#define _LIBC
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#endif
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#include "rtos.h"
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#include "tcpip.h"
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#ifdef WIN32
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#define UartPrintf printf
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#define OS_MQueueCreate(A,B,C) 0
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#define OS_MQueueGet(A,B,C) 0
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#define OS_ThreadCreate(A,B,C,D,E) 0
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#endif
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static const char pageGif[]=
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{
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"HTTP/1.0 200 OK\r\n"
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"Content-Length: %d\r\n"
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"Content-Type: binary/gif\r\n\r\n"
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};
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static const char pageGif2[]=
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{
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"HTTP/1.0 200 OK\r\n"
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"Content-Type: binary/gif\r\n\r\n"
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};
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static const char pageBinary[]=
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{
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"HTTP/1.0 200 OK\r\n"
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"Content-Length: %d\r\n"
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"Content-Type: binary/binary\r\n\r\n"
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};
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static const char pageBinary2[]=
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{
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"HTTP/1.0 200 OK\r\n"
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"Content-Type: binary/binary\r\n\r\n"
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};
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static const char pageHtml[]={
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"HTTP/1.0 200 OK\r\n"
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"Content-Length: %d\r\n"
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"Content-Type: text/html\r\n\r\n"
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};
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static const char pageHtml2[]={
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"HTTP/1.0 200 OK\r\n"
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"Content-Type: text/html\r\n\r\n"
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};
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static const char pageText[]={
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"HTTP/1.0 200 OK\r\n"
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"Content-Length: %d\r\n"
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"Content-Type: text/text\r\n\r\n"
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};
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static const char pageEmpty[]=
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{
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"HTTP/1.0 404 OK\r\n"
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"Content-Length: 0\r\n"
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"Content-Type: text/html\r\n\r\n"
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};
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static const PageEntry_t *HtmlPages;
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static int HtmlFiles;
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void HttpServer(IPSocket *socket)
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{
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uint8 buf[600];
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char filename[80];
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int bytes, i, length, len, needFooter;
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char *name=NULL, *page=NULL;
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const char *header, *header2;
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if(socket == NULL)
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return;
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if(socket->funcPtr != HttpServer && socket->funcPtr)
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{
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socket->funcPtr(socket);
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return;
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}
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bytes = IPRead(socket, buf, sizeof(buf)-1);
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if(bytes)
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{
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buf[bytes] = 0;
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if(strncmp((char*)buf, "GET /", 5) == 0)
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{
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for(i = 0; ; ++i)
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{
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length = HtmlPages[i].length;
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if(length == -1)
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break;
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name = (char*)HtmlPages[i].name;
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page = (char*)HtmlPages[i].page;
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len = (int)strlen(name);
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if(strncmp((char*)buf+4, name, len) == 0)
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break;
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}
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#if defined(WIN32) || defined(INCLUDE_FILESYS)
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if(length == HTML_LENGTH_LIST_END && HtmlFiles)
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{
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FILE *file;
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char *ptr;
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name = (char*)buf + 5;
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ptr = strstr(name, " ");
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if(ptr)
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*ptr = 0;
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strcpy(filename, "/web/");
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strncat(filename, name, 60);
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file = fopen(filename, "rb");
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if(file == NULL)
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{
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strcpy(filename, "/flash/web/");
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strncat(filename, name, 60);
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file = fopen(filename, "rb");
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}
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if(file)
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{
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if(strstr(name, ".htm"))
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IPWrite(socket, (uint8*)pageHtml2, sizeof(pageHtml2)-1);
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else if(strstr(name, ".gif"))
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IPWrite(socket, (uint8*)pageGif2, sizeof(pageGif2)-1);
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else
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IPWrite(socket, (uint8*)pageBinary2, sizeof(pageBinary2)-1);
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for(;;)
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{
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len = fread(buf, 1, sizeof(buf), file);
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if(len == 0)
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break;
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IPWrite(socket, (uint8*)buf, len);
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}
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fclose(file);
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IPWriteFlush(socket);
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IPClose(socket);
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return;
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}
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}
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#endif
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if(length != HTML_LENGTH_LIST_END)
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{
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if(length == HTML_LENGTH_CALLBACK)
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{
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IPFuncPtr funcPtr = (IPFuncPtr)(uint32)page;
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funcPtr(socket, buf, bytes);
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return;
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}
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if(length == 0)
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length = (int)strlen(page);
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needFooter = 0;
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header2 = NULL;
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if(strstr(name, ".html"))
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header = pageHtml;
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else if(strstr(name, ".htm") || strcmp(name, "/ ") == 0)
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{
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header = pageHtml;
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header2 = HtmlPages[0].page;
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needFooter = 1;
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}
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else if(strstr(HtmlPages[i].name, ".gif"))
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header = pageGif;
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else
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header = pageBinary;
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len = 0;
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if(header2)
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len += (int)strlen(header2) + (int)strlen(HtmlPages[1].page);
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sprintf((char*)buf, header, length + len);
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IPWrite(socket, buf, (int)strlen((char*)buf));
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if(header2)
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IPWrite(socket, (uint8*)header2, (int)strlen(header2));
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IPWrite(socket, (uint8*)page, length);
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if(needFooter)
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IPWrite(socket, (uint8*)HtmlPages[1].page, (int)strlen(HtmlPages[1].page));
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}
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else
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{
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IPWrite(socket, (uint8*)pageEmpty, (int)strlen(pageEmpty));
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}
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IPClose(socket);
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}
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}
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}
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void HttpInit(const PageEntry_t *Pages, int UseFiles)
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{
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HtmlPages = Pages;
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HtmlFiles = UseFiles;
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IPOpen(IP_MODE_TCP, 0, 80, HttpServer);
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IPOpen(IP_MODE_TCP, 0, 8080, HttpServer);
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}
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#ifdef EXAMPLE_HTML
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//Example test code
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static void MyProg(IPSocket *socket, char *request, int bytes)
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{
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char *text="HTTP/1.0 200 OK\r\nContent-Type: text/html\r\n\r\n"
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"<html><body>Hello World!</body></html>";
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(void)request; (void)bytes;
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IPWrite(socket, (uint8*)text, (int)strlen(text));
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IPClose(socket);
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}
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static const PageEntry_t pageEntry[]=
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{ //name, length, htmlText
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{"/Header", 0, "<HTML><HEAD><TITLE>Plasma CPU</TITLE></HEAD>\n<BODY>"},
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{"/Footer", 0, "</BODY></HTML>"},
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{"/ ", 0, "<h2>Home Page</h2>Welcome! <a href='/other.htm'>Other</a>"
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" <a href='/cgi/myprog'>myprog</a>"},
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{"/other.htm ", 0, "<h2>Other</h2>Other."},
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//{"/binary/plasma.gif ", 1945, PlasmaGif},
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{"/cgi/myprog", HTML_LENGTH_CALLBACK, (char*)MyProg},
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{"", HTML_LENGTH_LIST_END, NULL}
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};
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void HtmlInit(int UseFiles)
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{
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(void)UseFiles;
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HttpInit(pageEntry, 1);
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}
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#endif
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