Important changes to repositories hosted on mbed.com
Mbed hosted mercurial repositories are deprecated and are due to be permanently deleted in July 2026.
To keep a copy of this software download the repository Zip archive or clone locally using Mercurial.
It is also possible to export all your personal repositories from the account settings page.
Dependencies: mbed mbed-rtos AMC7812B EthernetInterface TextLCD
Diff: HTTP_SERVER.cpp
- Revision:
- 3:820e3a42c06b
- Parent:
- 2:7a49ed074968
--- a/HTTP_SERVER.cpp Mon Apr 26 11:22:48 2021 +0000
+++ b/HTTP_SERVER.cpp Fri Aug 06 13:07:37 2021 +0000
@@ -1,113 +1,10 @@
-#include "HTTP_SERVER.h"
-
-#ifndef DEBUG
-//#define DEBUG
-#endif
+//#define HTTP_DEBUG
-//HTML file - with Javascript
-const char *index_html = "<html><head><title>DCM Heaters Driver</title><link rel=\"shortcut icon\" type=\"image/x-icon\" href=\"http://cnpem.br/wp-content/uploads/2018/01/LNLS_Sirius-02-293x300.png\" />\n\
-<script src=\"https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js\"></script></head>\n\
-<script language=\"javascript\" type=\"text/javascript\">\n\
-function loop(){\n\
-$.post(\"read_data\", function(data){\n\
-if(data.length >0)\n\
-{\n\
-var str = data;\n\
-var res = str.split(\" \");\n\
-if(res.length == 97){\n\
-var table = '<div id=\"data_table\">'+\n\
-'<table width=\"100%\" border=\"1\" cellpadding=\"3\" cellspacing=\"1\" bgcolor=\"#E3EBFB\">'+\n\
-'<tr align=\"center\" valign=\"middle\">'+\n\
-'<td width=\"50\" height=\"40\"><strong>Channel</font></strong></td>'+\n\
-'<td width=\"96\" height=\"40\"><strong>Voltage (V)</font></strong></td>'+\n\
-'<td width=\"96\" height=\"40\"><strong>Current (A)</font></strong></td>'+\n\
-'<td width=\"96\" height=\"40\"><strong>Duty Cycle PWM (%)</font></strong></td>'+\n\
-'<td width=\"96\" height=\"40\"><strong>Current Limit (A)</font></strong></td>'+\n\
-'<td width=\"96\" height=\"40\"><strong>Failure</font></strong></td>'+\n\
-'<td width=\"96\" height=\"40\"><strong>Overload</font></strong></td>'+\n\
-'<td width=\"96\" height=\"40\"><strong>No Load</font></strong></td>'+\n\
-'<td width=\"96\" height=\"40\"><strong>Enable</font></strong></td></tr>';\n\
-for(var i=0;i<8;i++){\n\
-table = table + '<tr align=\"center\" valign=\"middle\">'+\n\
-'<td width=\"50\" height=\"31\"bgcolor=\"#FFFFFF\"><span style=\"font-weight:bold;\">'+(i+1)+'</span></td>'+\n\
-'<td width=\"96\" height=\"28\"bgcolor=\"#FFFFFF\"><span style=\"font-weight:bold;\">'+res[i*12]+'</span></td>'+\n\
-'<td width=\"96\" height=\"28\"bgcolor=\"#FFFFFF\"><span style=\"font-weight:bold;\">'+res[i*12+1]+'</span></td>'+\n\
-'<td width=\"96\" height=\"28\"bgcolor=\"#FFFFFF\"><span style=\"font-weight:bold;\">'+res[i*12+2]+'</span></td>'+\n\
-'<td width=\"96\" height=\"28\"bgcolor=\"#FFFFFF\"><span style=\"font-weight:bold;\">'+res[i*12+3]+'</span></td>'+\n\
-'<td width=\"96\" height=\"28\"bgcolor=\"'+res[i*12+4]+'\"><span style=\"font-weight:bold;\">'+res[i*12+5]+'</span></td>'+\n\
-'<td width=\"96\" height=\"28\"bgcolor=\"'+res[i*12+6]+'\"><span style=\"font-weight:bold;\">'+res[i*12+7]+'</span></td>'+\n\
-'<td width=\"96\" height=\"28\"bgcolor=\"'+res[i*12+8]+'\"><span style=\"font-weight:bold;\">'+res[i*12+9]+'</span></td>'+\n\
-'<td width=\"96\" height=\"28\"bgcolor=\"'+res[i*12+10]+'\"><span style=\"font-weight:bold;\">'+res[i*12+11]+'</span></td>'+\n\
-'</tr>';\n\
-}\n\
-table = table + '</table></div>';\n\
-document.getElementById(\"data_table\").innerHTML = table;\n\
-}}\n\
-});\n\
-setTimeout(function(){ loop() }, 2000);\n\
-}\n\
-</script>\n\
-<body onLoad=\"loop()\">\n\
-<table width=\"100%\"border=\"0\" cellspacing=\"0\" cellpadding=\"0\" style=\"font-weight:normal;\">\n\
-<tr>\n\
-<td width=\"25%\" height=\"142\" align=\"center\" valign=\"middle\" style=\"border-bottom: #000000 solid 1px;\">\n\
-<a href=\"http://www.lnls.cnpem.br/\"><img src=\"http://lnls.cnpem.br/wp-content/themes/lnls-v2/assets/images/logo-header.svg\" alt=\"LNLS\" width=\"305\" height=\"142\" /></a></td>\n\
-<td colspan=\"5\" height=\"142\" align=\"center\" scope=\"col\" style=\"border-bottom: #000000 solid 1px;\"><p><span class=\"style7\">DCM HEATERS DRIVER<br /><br/>\n\
-<strong>DIAGNOSTICS<br/></strong></span></p>\n\
-<p><span class=\"style7\"><strong><em> <a href=\"http://www.lnls.cnpem.br\">LNLS</a></em></strong></span></p></td>\n\
-<td width=\"25%\" height=\"142\" align=\"center\" style=\"border-bottom: #000000 solid 1px;\">\n\
-<a href=\"http://www.lnls.cnpem.br/grupos/gae/\"><img src=\"http://www.gae.agency/wp-content/uploads/2016/03/Logo_gae_hp_blue.png\" alt=\"GAE\" width=\"305\" height=\"99\" /></a></td>\n\
-</tr>\n\
-</table>\n<div id=\"data_table\"></div></body></html>\0";
+#include "HTTP_SERVER.h"
//table colors vector
const char *color[] = {"#C8FFC8\0","#FF0000\0"};
-int index_html_len; //index with html length
-
-char buffer[MAX_BUFFER_SIZE]; //receive and transmit buffer
-char tmp_buffer[200]; //aux buffer
-int status_code; //http status code
-char reason_phrase[30]; //http reason phrase
-
-char httpmethod[20]; //http method
-char filepath[20]; //file requested
-char http_ver[20]; //http version
-
-int idx_buffer; //index buffer
-
-//Debug functions
-namespace HTTP_SERVER
-{
-void DEBUG_PRINT_LINE(const char* arg_line)
-{
-#ifdef DEBUG
- printf("(HTTP_SERVER) ")
- printf(arg_line);
- printf("\r\n");
-#endif
-}
-template<typename T>
-void DEBUG_PRINT_LINE(const char* arg_line, T arg_t)
-{
-#ifdef DEBUG
- printf("(HTTP_SERVER) ");
- printf(arg_line, arg_t);
- printf("\r\n");
-#endif
-}
-template<typename T1, typename T2>
-void DEBUG_PRINT_LINE(const char* arg_line, T1 arg_t1, T2 arg_t2)
-{
-#ifdef DEBUG
- printf("(HTTP_SERVER) ");
- printf(arg_line, arg_t1, arg_t2);
- printf("\r\n");
-#endif
-}
-}
-using namespace HTTP_SERVER;
-
HttpServer::HttpServer()
{
buffer[0] = '\0'; //constructor
@@ -116,8 +13,11 @@
HttpServer::~HttpServer()
{
}
-bool HttpServer::init()
+bool HttpServer::init(char *html_pointer,int html_len)
{
+ index_html = html_pointer;
+ index_html_len = html_len;
+
// TCP Socket setup
// To open Server-side PORT
if(tcpsvr.bind(TCP_PORT)< 0) {
@@ -131,12 +31,11 @@
return false;
}
- index_html_len = strlen(index_html); //calculate string length
-
+
return true;
}
-bool HttpServer::run(channel *CH)
+bool HttpServer::run(channel *CH,char* name)
{
if(tcpsvr.accept(tcpcon) < 0) {
//printf("(HTTP_SERVER) failed to accept connection.\r\n");
@@ -150,79 +49,80 @@
// Request Analysis
//
- DEBUG_PRINT_LINE("DEBUG MODE");
+ HTTP_PRINTF("DEBUG MODE");
+ httpmethod = NULL;
+ filepath = NULL;
+ http_ver = NULL;
switch(tcpcon.receive(buffer, 1023)) {
case 0:
- //DEBUG_PRINT_LINE("received buffer is empty.");
+ //HTTP_PRINTF("received buffer is empty.");
status_code = 400;
sprintf(reason_phrase,"No Request\0");
- httpmethod[0] = '\0';
- filepath[0] = '\0';
- http_ver[0] = '\0';
break;
case -1:
- DEBUG_PRINT_LINE("failed to read data from client.");
+ HTTP_PRINTF("failed to read data from client.");
status_code = 500;
sprintf(reason_phrase,"Internal Server Error\0");
- httpmethod[0] = '\0';
- filepath[0] = '\0';
- http_ver[0] = '\0';
break;
default:
- DEBUG_PRINT_LINE("Received Data: %d",strlen(buffer));
- DEBUG_PRINT_LINE("-->\r\n");
- DEBUG_PRINT_LINE("%.*s[End of Request]",strlen(buffer),buffer);
+ HTTP_PRINTF("Received Data: %d",strlen(buffer));
+ HTTP_PRINTF("-->\r\n");
+ HTTP_PRINTF("%.*s[End of Request]",strlen(buffer),buffer);
// get HTTP method, File path, HTTP version
- sprintf(httpmethod,strtok(buffer," "));
- filepath[0] = '\0';
- sprintf(http_ver,"HTTP/1.1\0");
- DEBUG_PRINT_LINE("httpmethod: %s", httpmethod);
- DEBUG_PRINT_LINE("file path: %s", filepath);
- DEBUG_PRINT_LINE("http ver : %s", http_ver);
+ httpmethod = strtok(buffer," ");
+ filepath = strtok(NULL, " ");
+ http_ver = strtok(NULL, "\r\n");
+ HTTP_PRINTF("httpmethod: %s", httpmethod);
+ HTTP_PRINTF("file path: %s", filepath);
+ HTTP_PRINTF("http ver : %s", http_ver);
break;
}
- if (httpmethod[0] == '\0') {
+ if (httpmethod == NULL) {
buffer[MAX_BUFFER_SIZE - 1] = '\0';
sprintf(buffer,"%s %d %s\r\nConnection: Close\r\n\r\n\0", http_ver, status_code, reason_phrase);
- DEBUG_PRINT_LINE("echo back done.");
+ HTTP_PRINTF("echo back done.");
break;
}
// Response
if (strcmp(httpmethod,"GET") == 0 ) //GET request - always index.html stoed in index_html
{
- DEBUG_PRINT_LINE("GET request incomming.");
+ HTTP_PRINTF("GET request incomming.");
- buffer[MAX_BUFFER_SIZE-1] = '\0';
- status_code = 200;
- sprintf(reason_phrase,"OK\0");
-
- sprintf(buffer,"%s %d %s\r\nConnection: Close\r\nContent-Type: text/html\r\nKeep-Alive: timeout=15\r\n\r\n\0", http_ver, status_code, reason_phrase);
- tcpcon.send_all(buffer,strlen(buffer));
- tcpcon.send_all((char*)index_html,index_html_len);
+ if(strcmp(filepath,"/")==0){
+ buffer[MAX_BUFFER_SIZE-1] = '\0';
+ status_code = 200;
+ sprintf(reason_phrase,"OK");
+
+ sprintf(buffer,"%s %d %s\r\nConnection: Close\r\nContent-Type: text/html\r\nKeep-Alive: timeout=15\r\n\r\n", http_ver, status_code, reason_phrase);
+ tcpcon.send_all(buffer,strlen(buffer));
+ tcpcon.send_all((char*)index_html,index_html_len);
+ }
break;
}
if (strcmp(httpmethod,"POST") == 0 ) //POST request - javascript request
{
- DEBUG_PRINT_LINE("POST request incomming.");
- status_code = 200;
- sprintf(reason_phrase,"OK\0");
-
- sprintf(buffer,"%s %d %s\r\nConnection: Close\r\n\r\n\0", http_ver, status_code, reason_phrase);
-
- for(idx_buffer=0;idx_buffer<=7;idx_buffer++)
+ if(strcmp(filepath,"/read_data")==0){
+ HTTP_PRINTF("POST read_data request incomming.");
+ for(i=0;i<=7;i++)
+ {
+ sprintf(tmp_buffer,"%4.2f %3.2f %.1f %3.2f %d %d %d %d \0",CH[i].voltage,CH[i].current,CH[i].control,CH[i].limit,\
+ CH[i].failure,CH[i].overload>ERROR_REP,\
+ CH[i].noload>ERROR_REP,CH[i].enable);
+ tcpcon.send_all(tmp_buffer,strlen(tmp_buffer));
+
+ }
+ }
+
+ if(strcmp(filepath,"/device_name")==0)
{
- sprintf(tmp_buffer,"%4.2f %3.2f %d %3.2f %s %d %s %d %s %d %s %d \0",CH[idx_buffer].voltage,CH[idx_buffer].current,CH[idx_buffer].control,CH[idx_buffer].limit,\
- color[CH[idx_buffer].failure>0],CH[idx_buffer].failure,\
- color[CH[idx_buffer].overload>ERROR_REP],CH[idx_buffer].overload>ERROR_REP,\
- color[CH[idx_buffer].noload>ERROR_REP],CH[idx_buffer].noload>ERROR_REP,\
- color[CH[idx_buffer].enable==0],CH[idx_buffer].enable);
- strcat(buffer,tmp_buffer);
-
+ HTTP_PRINTF("POST device_name request incomming.");
+ sprintf(buffer,"%s",name);
+ tcpcon.send_all(buffer,strlen(buffer));
}
- tcpcon.send_all(buffer,strlen(buffer));
+
break;