Add [09_m1284p_WIZNET_simple_webserver] prj
This commit is contained in:
maxxir_w
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/*
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* webpages.h
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*
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* Created on: 05 <20><><EFBFBD>. 2018 <20>.
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* Author: maxx
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*/
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#ifndef WEBPAGES_H_
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#define WEBPAGES_H_
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#define index_page \
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"<html><style>body { max-width: 480; margin: 0 auto; padding: 0 5px;}h1,h3 { text-align: center;}</style><body><span style=\"color:#0000A0\">\n"\
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"<h1>W5500 Simple Web Server</h1><hr>\n"\
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"<h3>AVR Mega1284p and WIZ5500</h3><hr>\n"\
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"<p><form method=\"POST\">\n"\
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"<strong>Uptime: <input type=\"text\" size=2 value=\"%lu\"> sec\n"\
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"<p><input type=\"radio\" name=\"radio\" value=\"0\" %s>LED1 OFF\n"\
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"<br><input type=\"radio\" name=\"radio\" value=\"1\" %s>LED1 ON\n"\
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"<p>\n"\
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"<input type=\"submit\" value=\"Update data\">\n"\
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"</strong></form></span></body></html>\n"
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#define page_404 \
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"HTTP/1.0 404 Not Found\r\n"\
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"Content-Type: text/html\r\n"\
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"\r\n"\
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"<!DOCTYPE HTML><html><h2>404 Not Found</h2></html>"
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#endif /* WEBPAGES_H_ */
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#include <stdio.h>
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#include <string.h>
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#include "webserver_simple.h"
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#include "socket.h"
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#include "wizchip_conf.h"
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int strindex(char *s,char *t)
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{
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uint16_t i,n;
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n=strlen(t);
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for(i=0; *(s+i); i++)
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{
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if (strncmp(s+i,t,n) == 0)
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return i;
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}
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return -1;
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}
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void SetAutoKeepAlive(sn, time) // time > 0
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{
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setSn_KPALVTR(sn, time);
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printf("Sn:%d - kpalvtime: %u sec\r\n",sn, 5*getSn_KPALVTR(sn));
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}
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int32_t websrv_simple(uint8_t sn, uint8_t* buf, uint16_t port)
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{
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int32_t ret;
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uint16_t size = 0;
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int getidx, postidx, getidx_htm, postidx_htm;
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char radiostat0[10],radiostat1[10],temp[12];
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static uint32_t httpd_active_millis;
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#ifdef _WEBSRV_DEBUG_
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uint8_t destip[4];
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uint16_t destport;
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#endif
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switch(getSn_SR(sn))
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{
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case SOCK_ESTABLISHED :
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if(getSn_IR(sn) & Sn_IR_CON)
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{
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#ifdef _WEBSRV_DEBUG_
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getSn_DIPR(sn, destip);
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destport = getSn_DPORT(sn);
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printf("%d:WEB Connected - %d.%d.%d.%d : %u\r\n",sn, destip[0], destip[1], destip[2], destip[3], destport);
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#endif
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setSn_IR(sn,Sn_IR_CON);
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//Get timetick to open socket
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httpd_active_millis = millis();
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}
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if((size = getSn_RX_RSR(sn)) > 0) // Don't need to check SOCKERR_BUSY because it doesn't not occur.
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{
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if(size > WEBSRV_DATA_BUF_SIZE) size = WEBSRV_DATA_BUF_SIZE;
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ret = recv(sn, buf, size);
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if(ret <= 0) return ret; // check SOCKERR_BUSY & SOCKERR_XXX. For showing the occurrence of SOCKERR_BUSY.
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//Get timetick to read data from socket
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httpd_active_millis = millis();
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size = (uint16_t) ret;
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buf[size] = 0x0;// insert null-terminate symbol to correct parse data
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#ifdef _WEBSRV_DEBUG_
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PRINTF("\r\n>>HTTP REQUEST %u bytes:\r\n%s\rn\n",size, buf);
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#endif
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// Check the HTTP Request Header
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getidx=strindex((char *)buf,"GET / ");
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getidx_htm=strindex((char *)buf,"GET /index.htm");
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postidx=strindex((char *)buf,"POST / ");
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postidx_htm=strindex((char *)buf,"POST /index.htm");
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if (getidx >= 0 || postidx >= 0 || getidx_htm >= 0 || postidx_htm >= 0)
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{
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#ifdef _WEBSRV_DEBUG_
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PRINTF(">>Req. ROOT check!\n");
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#endif
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// Now check the Radio Button for POST request
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if (postidx >= 0 || postidx_htm >= 0)
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{
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if (strindex((char *)buf,"radio=0") > 0)
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{
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//ledmode=0;
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//PRINTF("++LED=0\r\n");
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led1_low();
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}
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if (strindex((char *)buf,"radio=1") > 0)
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{
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//ledmode=1;
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//PRINTF("++LED=1\r\n");
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led1_high();
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}
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}
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#ifdef _WEBSRV_DEBUG_
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PRINTF(">>Req. Send!\n");
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#endif
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//Old method with every string fill
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/*
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// Create the HTTP Response Header
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strcpy_P((char *)buf,PSTR("HTTP/1.1 200 OK\r\nConnection: close\r\nContent-Type: text/html\r\n\r\n"));
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strcat_P((char *)buf,PSTR("<html>"\
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"<style>"\
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"body {"\
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" max-width: 480;"\
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" margin: 0 auto;"\
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" padding: 0 5px;"\
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"}"\
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"h1,h3 {"\
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" text-align: center;"\
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"}"\
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"</style>"\
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));
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strcat_P((char *)buf,PSTR("<body><span style=\"color:#0000A0\">\r\n"));
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strcat_P((char *)buf,PSTR("<h1>W5500 Simple Web Server</h1><hr>\r\n"));
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strcat_P((char *)buf,PSTR("<h3>AVR Mega1284p and WIZ5500</h3><hr>\r\n"));
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strcat_P((char *)buf,PSTR("<p><form method=\"POST\">\r\n"));
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// Now Send the HTTP Response
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if (send(sn,buf,strlen((char *)buf)) <= 0) break;
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// Create the HTTP Temperature Response
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sprintf((char *)temp,"%lu",(millis()/1000)); // Convert temperature value to string
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strcpy_P((char *)buf,PSTR("<strong>Uptime: <input type=\"text\" size=2 value=\""));
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strcat((char *)buf,temp);
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//strcat_P((char *)buf,PSTR("\"> <sup>O</sup>C\r\n")); // for celsius
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strcat_P((char *)buf,PSTR("\"> sec\r\n")); // for seconds
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if (led1_read())
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{
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strcpy(radiostat0,"");
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strcpy_P(radiostat1,PSTR("checked"));
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}
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else
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{
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strcpy_P(radiostat0,PSTR("checked"));
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strcpy(radiostat1,"");
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}
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// Create the HTTP Radio Button 0 Response
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strcat_P((char *)buf,PSTR("<p><input type=\"radio\" name=\"radio\" value=\"0\" "));
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strcat((char *)buf,radiostat0);
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strcat_P((char *)buf,PSTR(">LED1 OFF\r\n"));
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strcat_P((char *)buf,PSTR("<br><input type=\"radio\" name=\"radio\" value=\"1\" "));
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strcat((char *)buf,radiostat1);
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strcat_P((char *)buf,PSTR(">LED1 ON\r\n"));
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strcat_P((char *)buf,PSTR("<p>\r\n"));
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strcat_P((char *)buf,PSTR("<input type=\"submit\" value=\"Update data\">\r\n"));
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strcat_P((char *)buf,PSTR("</strong></form></span></body></html>\r\n"));
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*/
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//New method, send page at once, (no more then ~1500 bytes content!!)
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//Prepare additional data to send
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if (led1_read())
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{
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strcpy(radiostat0,"");
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strcpy_P(radiostat1,PSTR("checked"));
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}
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else
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{
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strcpy_P(radiostat0,PSTR("checked"));
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strcpy(radiostat1,"");
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}
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//copy page to buffer and send to http client, without additional data
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//strcpy_P((char *)buf,PSTR(index_page));
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//copy page to buffer and send to http client, with additional data
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sprintf_P((char *)buf,PSTR(index_page), millis()/1000, radiostat0, radiostat1);
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// Now Send the HTTP Remaining Response
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if (send(sn,buf,strlen((char *)buf)) <= 0) break;
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}
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else
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{
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//Page not found
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/*
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strcpy_P((char *)buf,PSTR(\
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"HTTP/1.0 404 Not Found\r\n"
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"Content-Type: text/html\r\n"
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"\r\n"
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//"<meta http-equiv=\"refresh\" content=\"5; url=/\"> " // Redirect <20><><EFBFBD><EFBFBD><EFBFBD> 5 <20><><EFBFBD> <20><> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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"<!DOCTYPE HTML><html><h2>404 Not Found</h2></html>"\
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));
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*/
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//copy page to buffer and send to http client, without additional data
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strcpy_P((char *)buf,PSTR(page_404));
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// Now Send the HTTP Remaining Response
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if (send(sn,buf,strlen((char *)buf)) <= 0) break;
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}
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// Disconnect the socket
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disconnect(sn);
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}
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else
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{
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//here when opened socket connection but no data received
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if((millis()-httpd_active_millis) > HTTPD_OPEN_TIMEOUT)
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{
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//Force close socket, after 3 sec idle (To beat Chrome "persistent connection")
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#ifdef _WEBSRV_DEBUG_
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PRINTF("!!HTTPD timeout, Force close socket\r\n");
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#endif
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close(sn);
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}
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}
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break;
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/*
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case SOCK_FIN_WAIT:
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case SOCK_CLOSING:
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case SOCK_TIME_WAIT:
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case SOCK_LAST_ACK:
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//case SOCK_CLOSE_WAIT:
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//Force close socket
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close(sn);
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*/
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break;
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case SOCK_CLOSE_WAIT :
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#ifdef _WEBSRV_DEBUG_
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//printf("%d:CloseWait\r\n",sn);
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#endif
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if((ret = disconnect(sn)) != SOCK_OK) return ret;
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#ifdef _WEBSRV_DEBUG_
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printf("%d:WEB Socket Closed\r\n", sn);
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#endif
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break;
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case SOCK_INIT :
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#ifdef _WEBSRV_DEBUG_
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printf("%d:Listen, WEB server, port [%d]\r\n", sn, port);
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#endif
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if( (ret = listen(sn)) != SOCK_OK) return ret;
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break;
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case SOCK_CLOSED:
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#ifdef _WEBSRV_DEBUG_
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//printf("%d:TCP server loopback start\r\n",sn);
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#endif
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if((ret = socket(sn, Sn_MR_TCP, port, 0x00)) != sn) return ret;
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//This is not helped with Chrome keep-alive sessions
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//SetAutoKeepAlive(sn, 1); // set Auto keepalive 5sec(1*5) (This is for TCP IP only!)
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#ifdef _WEBSRV_DEBUG_
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//printf("%d:Socket opened\r\n",sn);
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#endif
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break;
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default:
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break;
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}
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return 1;
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}
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@@ -0,0 +1,33 @@
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#ifndef _WEBSERVER_SIMPLE_H_
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#define _WEBSERVER_SIMPLE_H_
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <stdint.h>
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#include "../../globals.h"
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#include "webpages.h"
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/* Loopback test debug message printout enable */
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#define _WEBSRV_DEBUG_
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/* DATA_BUF_SIZE define for Loopback example */
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#ifndef WEBSRV_DATA_BUF_SIZE
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#define WEBSRV_DATA_BUF_SIZE 2048
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#endif
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//Timeout (ms) to close too long opened socket (Help from freeze with work with Chrome browser (keep persistent connection on WIN7 ~ 120 sec))
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#define HTTPD_OPEN_TIMEOUT 3000
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/* WEB SERVER test example */
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int32_t websrv_simple(uint8_t sn, uint8_t* buf, uint16_t port);
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int strindex(char *s,char *t);
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#ifdef __cplusplus
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}
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#endif
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#endif //_WEBSERVER_SIMPLE_H_
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