Francois Berder / Mbed 2 deprecated HTTP-Server

Server that executes RPC commands through HTTP.

Dependencies:   EthernetInterface mbed-rpc mbed-rtos mbed

Embed: (wiki syntax)

« Back to documentation index

Show/hide line numbers Formatter.cpp Source File

Formatter.cpp

00001 #include "Formatter.h"
00002 #include "mbed.h"
00003 #include "RPCObjectManager.h"
00004 #include "EthernetInterface.h"
00005 
00006 const char *SIMPLE_HTML_CODE = "\
00007 <!DOCTYPE html>\
00008 <html>\
00009 <head>\
00010 <meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\">\
00011 <title>TCP Server</title>\
00012 </head>\
00013  <body>";
00014 
00015 
00016 const char* INTERACTIVE_HTML_CODE_1 = "\
00017 <!DOCTYPE html> \
00018 <html>\
00019 <head>\
00020 <meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\">\
00021 <title>TCP Server</title>\
00022 <script type=\"text/javascript\">\
00023 var ip = \"%s\";\
00024 function submitCreateForm()\
00025 {\
00026 var list = document.getElementById(\"type\");\
00027 var type = list.options[list.selectedIndex].value;\
00028 var name = document.getElementById(\"name\").value;\
00029 if(name === \"\") \
00030 return;\
00031 var arg = document.getElementById(\"arg\").value;\
00032 var url;\
00033 if(arg === \"\") url = \"http://\" + ip + type + \"new?name=\" + name;\
00034 else url = \"http://\" + ip + type + \"new?arg=\" + arg + \"&name=\" + name;\
00035 location.href= url;\
00036 }\
00037 function submitCallFuncForm()\
00038 {\
00039 var command = document.getElementById(\"command\").value;\
00040 if(command === \"\") \
00041 return; \
00042 var tmp = command.split(\' \');\
00043 var url = tmp[0];\
00044 if(tmp.length > 1)\
00045 url += \"?\";\
00046 for(var i = 1; i < tmp.length; ++i)\
00047 {\
00048 url += \"arg\" + i + \"=\" + tmp[i];\
00049 if(i+1 < tmp.length)\
00050 url += \"&\";\
00051 }\
00052 location.href = url;\
00053 }\
00054 </script>\
00055 </head> \
00056 <body>";
00057     
00058 const char* INTERACTIVE_HTML_CODE_2 = "<h3>Create Object :</h3>\
00059 <form>\
00060 Type: <select id=\"type\">\
00061 <option value=\"/DigitalOut/\">DigitalOut</option>\
00062 <option value=\"/DigitalIn/\">DigitalIn</option>\
00063 <option value=\"/DigitalInOut/\">DigitalInOut</option>\
00064 <option value=\"/PwmOut/\">PwmOut</option>\
00065 <option value=\"/Timer/\">Timer</option>\
00066 </select><br>\
00067 name: <input type=\"text\" id=\"name\"><br>\
00068 arg(optional): <input type=\"text\" id=\"arg\">\
00069 <p><input type=\"button\" value=\"Create\" onclick=\"javascript:submitCreateForm();\"></p>\
00070 </form> \
00071  \
00072 <h3>Call a function :</h3>\
00073 <p>Enter an RPC command.</p>\
00074 <form>\
00075 Command: <input type= \"text\" id=\"command\" maxlength=127><br>\
00076 <p><input type=\"button\" value=\"Send\" onclick=\"javascript:submitCallFuncForm();\"></p><br>\
00077 </form>\
00078 </body> \
00079 </html>";
00080 
00081 static char chunk[1024];
00082         
00083 Formatter::Formatter(int nb):
00084 currentChunk(0),
00085 nbChunk(nb)
00086 {
00087 }    
00088 
00089 char* Formatter::get_page(char *reply)
00090 {
00091     chunk[0] = '\0';
00092 
00093     if(currentChunk < nbChunk)
00094     {
00095         get_chunk(currentChunk, reply);
00096         currentChunk++;
00097     }
00098     else
00099         currentChunk = 0;
00100     
00101     return chunk;
00102 }    
00103 
00104 void Formatter::get_chunk(const int c, char *reply)
00105 {
00106     strcat(chunk, reply);
00107 }
00108 
00109 SimpleHTMLFormatter::SimpleHTMLFormatter():
00110 Formatter()
00111 {
00112 }
00113 
00114 void SimpleHTMLFormatter::get_chunk(const int c, char* reply)
00115 {
00116     strcat(chunk, SIMPLE_HTML_CODE);
00117     
00118     if(reply != NULL && strlen(reply) != 0)
00119     {
00120         strcat(chunk, "RPC reply : ");
00121         strcat(chunk, reply);
00122     }
00123         
00124     if(!RPCObjectManager::instance().is_empty())
00125     {
00126         strcat(chunk, "<ul>");
00127         for(std::list<char*>::iterator itor = RPCObjectManager::instance().begin();
00128             itor != RPCObjectManager::instance().end();
00129             ++itor)
00130         {
00131             strcat(chunk, "<li>");
00132             strcat(chunk, *itor);
00133             strcat(chunk, "</li>");
00134         }
00135         strcat(chunk, "</ul>");
00136     }
00137     
00138     strcat(chunk, "</body></html>");
00139 }
00140 
00141 InteractiveHTMLFormatter::InteractiveHTMLFormatter():
00142 Formatter(3)
00143 {
00144 }
00145 
00146 void InteractiveHTMLFormatter::get_chunk(const int c, char *reply)
00147 {
00148     if(c == 0)
00149         sprintf(chunk, INTERACTIVE_HTML_CODE_1, EthernetInterface::getIPAddress());
00150 
00151     else if(c == 1)
00152     {
00153         if(reply != NULL && strlen(reply) != 0)
00154         {
00155             strcat(chunk, "RPC reply : ");
00156             strcat(chunk, reply);
00157         }
00158         if(!RPCObjectManager::instance().is_empty())
00159         {
00160             strcat(chunk, "<p>Objects created :</p>");
00161 
00162             strcat(chunk, "<ul>");
00163             for(std::list<char*>::iterator itor = RPCObjectManager::instance().begin();
00164                 itor != RPCObjectManager::instance().end();
00165                 ++itor)
00166             {
00167                 strcat(chunk, "<li>");
00168                 strcat(chunk, *itor);
00169                 strcat(chunk, " (<a href=\"http://");
00170                 strcat(chunk, EthernetInterface::getIPAddress());
00171                 strcat(chunk, "/");
00172                 strcat(chunk, *itor);
00173                 strcat(chunk, "/delete\">delete</a>)");
00174                 strcat(chunk, "</li>");
00175             }
00176             strcat(chunk, "</ul>");
00177         }
00178         strcat(chunk, " ");
00179     }
00180     else if(c == 2)
00181         strcat(chunk, INTERACTIVE_HTML_CODE_2);
00182 }
00183 
00184
Generated on Tue Jul 12 2022 18:58:44 by  doxygen 1.7.2