Henry Leinen / WiFlyHTTPServer

Single instance HTTP Server using WiFly Interface.

Dependents:   WiFlyHTTPServerSample MultiThreadingHTTPServer

This is my implementation for a HTTP Server using the WiFly Interface. Please note that this is still under development.

It may still contain several bugs. I have tested it using a 1768 on an application board plus RN-XV board.

Currently there is only a FileSystem implemented. Also it is limited to GET request.

I try to extend it further so it will be more useful.

Btw, it does NOT work with RTOS, which seems not to be the Problem of my library.

Do not Forget to Import the WiFly Interface into your Project when using this library.

Change History:

REV5: - added support for basic RPC GET request functionality.

REV4: - added argument parsing from the request uri. - documentation extended and updated.

HTTPRequestHandler.cpp@3:d6224049b3bf, 2013-05-28 (annotated)

Committer:
leihen
Date:
Tue May 28 01:56:14 2013 +0000
Revision:
3:d6224049b3bf
Parent:
1:6b7472d5e9ee
Child:
4:d065642c32cc
First beta version

Who changed what in which revision?

UserRevisionLine numberNew contents of line
leihen 1:6b7472d5e9ee 1 /* HTTPRequestHandler.cpp */
leihen 1:6b7472d5e9ee 2 #include "mbed.h"
leihen 1:6b7472d5e9ee 3 #include "HTTPRequestHandler.h"
leihen 1:6b7472d5e9ee 4
leihen 3:d6224049b3bf 5 #if (1 && !defined(TARGET_LPC11U24))
leihen 3:d6224049b3bf 6 #define INFO(x, ...) std::printf("[HTTPRequestHandler : DBG]"x"\r\n", ##__VA_ARGS__);
leihen 3:d6224049b3bf 7 #define WARN(x, ...) std::printf("[HTTPRequestHandler : DBG]"x"\r\n", ##__VA_ARGS__);
leihen 3:d6224049b3bf 8 #define ERR(x, ...) std::printf("[HTTPRequestHandler : DBG]"x"\r\n", ##__VA_ARGS__);
leihen 3:d6224049b3bf 9 #else
leihen 3:d6224049b3bf 10 #define INFO(x, ...)
leihen 3:d6224049b3bf 11 #define WARN(x, ...)
leihen 3:d6224049b3bf 12 #define ERR(x, ...)
leihen 3:d6224049b3bf 13 #endif
leihen 1:6b7472d5e9ee 14
leihen 3:d6224049b3bf 15 static char buffer[128];
leihen 3:d6224049b3bf 16
leihen 3:d6224049b3bf 17 HTTPRequestHandler::HTTPRequestHandler(HTTPConnection::HTTPMessage& Msg, TCPSocketConnection& Tcp)
leihen 3:d6224049b3bf 18 : msg(Msg), tcp(Tcp)
leihen 1:6b7472d5e9ee 19 {
leihen 3:d6224049b3bf 20 msg = Msg;
leihen 3:d6224049b3bf 21 tcp = Tcp;
leihen 1:6b7472d5e9ee 22 }
leihen 1:6b7472d5e9ee 23
leihen 1:6b7472d5e9ee 24 HTTPRequestHandler::~HTTPRequestHandler()
leihen 1:6b7472d5e9ee 25 {
leihen 3:d6224049b3bf 26 }
leihen 3:d6224049b3bf 27
leihen 3:d6224049b3bf 28 void HTTPRequestHandler::handleRequest()
leihen 3:d6224049b3bf 29 {
leihen 3:d6224049b3bf 30 int err = 0;
leihen 3:d6224049b3bf 31
leihen 3:d6224049b3bf 32 switch (msg.request) {
leihen 3:d6224049b3bf 33 case HTTP_RT_GET:
leihen 3:d6224049b3bf 34 INFO("Dispatching GET Request.");
leihen 3:d6224049b3bf 35 err = handleGetRequest();
leihen 3:d6224049b3bf 36 break;
leihen 3:d6224049b3bf 37
leihen 3:d6224049b3bf 38 // case HTTP_RT_POST:
leihen 3:d6224049b3bf 39 // err = handlePostRequest();
leihen 3:d6224049b3bf 40 // break;
leihen 3:d6224049b3bf 41
leihen 3:d6224049b3bf 42 // case HTTP_RT_PUT:
leihen 3:d6224049b3bf 43 // err = handlePutRequest();
leihen 3:d6224049b3bf 44 // break;
leihen 3:d6224049b3bf 45
leihen 3:d6224049b3bf 46 default:
leihen 3:d6224049b3bf 47 INFO("Error in handleRequest, unhandled request type.");
leihen 3:d6224049b3bf 48 err = 404;
leihen 3:d6224049b3bf 49 break;
leihen 3:d6224049b3bf 50 }
leihen 3:d6224049b3bf 51
leihen 3:d6224049b3bf 52 // if any of these functions returns a negative number, call the error handler
leihen 3:d6224049b3bf 53 if (err > 0) {
leihen 3:d6224049b3bf 54 handleError(err);
leihen 3:d6224049b3bf 55 }
leihen 3:d6224049b3bf 56 }
leihen 3:d6224049b3bf 57
leihen 3:d6224049b3bf 58 static const char* szErrorPage = "<HTML><HEAD><META content=\"text/html\" http-equiv=Content-Type></HEAD><BODY><h1>Error %d</h1><P>HTTPServer Error<P></BODY></HTML>\r\n\r\n";
leihen 3:d6224049b3bf 59
leihen 3:d6224049b3bf 60 void HTTPRequestHandler::handleError(int errorCode, HTTPHeaders* header)
leihen 3:d6224049b3bf 61 {
leihen 3:d6224049b3bf 62 INFO("Handling error !");
leihen 3:d6224049b3bf 63 tcp.set_blocking(true, 1500);
leihen 3:d6224049b3bf 64 sprintf(buffer,"HTTP/1.1 %d Error\r\n", errorCode);
leihen 3:d6224049b3bf 65 tcp.send(buffer, strlen(buffer));
leihen 3:d6224049b3bf 66 sprintf(buffer, "Content-Length: %d\r\n", strlen(szErrorPage));
leihen 3:d6224049b3bf 67 tcp.send(buffer, strlen(buffer));
leihen 3:d6224049b3bf 68 if (header == NULL) {
leihen 3:d6224049b3bf 69 sprintf(buffer, "Content-Type: text/html\r\nServer: mbed embedded\r\n\n\r");
leihen 3:d6224049b3bf 70 tcp.send(buffer, strlen(buffer));
leihen 3:d6224049b3bf 71 }
leihen 3:d6224049b3bf 72 else {
leihen 3:d6224049b3bf 73 for ( map<const char*, const char*>::iterator cIter = header->begin() ; cIter != header->end() ; cIter ++) {
leihen 3:d6224049b3bf 74 tcp.send((char*)cIter->first, strlen(cIter->first));
leihen 3:d6224049b3bf 75 tcp.send(": ", 2);
leihen 3:d6224049b3bf 76 tcp.send((char*)cIter->second, strlen(cIter->second));
leihen 3:d6224049b3bf 77 tcp.send("\r\n",2);
leihen 3:d6224049b3bf 78 }
leihen 3:d6224049b3bf 79 tcp.send("\r\n",2);
leihen 3:d6224049b3bf 80 }
leihen 3:d6224049b3bf 81 tcp.send((char*)szErrorPage, strlen(szErrorPage));
leihen 3:d6224049b3bf 82 }
leihen 3:d6224049b3bf 83
leihen 3:d6224049b3bf 84
leihen 3:d6224049b3bf 85 void HTTPRequestHandler::startResponse(int returnCode, int nLen, HTTPHeaders* header)
leihen 3:d6224049b3bf 86 {
leihen 3:d6224049b3bf 87 INFO("Starting response !");
leihen 3:d6224049b3bf 88 tcp.set_blocking(true, 1500);
leihen 3:d6224049b3bf 89 sprintf(buffer, "HTTP/1.1 %d OK\r\n", returnCode);
leihen 3:d6224049b3bf 90 tcp.send(buffer, strlen(buffer));
leihen 3:d6224049b3bf 91 sprintf(buffer, "Content-Length: %d\r\n", nLen + 2); // Add 2 chars for the terminating CR+LF
leihen 3:d6224049b3bf 92 tcp.send(buffer, strlen(buffer));
leihen 3:d6224049b3bf 93 if (header == NULL) {
leihen 3:d6224049b3bf 94 sprintf(buffer, "Content-Type: text/html\r\nServer: mbed embedded\r\n\r\n");
leihen 3:d6224049b3bf 95 tcp.send(buffer, strlen(buffer));
leihen 3:d6224049b3bf 96 }
leihen 3:d6224049b3bf 97 else {
leihen 3:d6224049b3bf 98 for ( map<const char*, const char*>::iterator cIter = header->begin() ; cIter != header->end() ; cIter ++) {
leihen 3:d6224049b3bf 99 tcp.send((char*)cIter->first, strlen(cIter->first));
leihen 3:d6224049b3bf 100 tcp.send(": ", 2);
leihen 3:d6224049b3bf 101 tcp.send((char*)cIter->second, strlen(cIter->second));
leihen 3:d6224049b3bf 102 tcp.send("\r\n\r\n",2);
leihen 3:d6224049b3bf 103 }
leihen 3:d6224049b3bf 104 tcp.send("\r\n", 2);
leihen 3:d6224049b3bf 105 }
leihen 3:d6224049b3bf 106 // other content must be sent using the 'processResponse' function
leihen 3:d6224049b3bf 107 }
leihen 3:d6224049b3bf 108
leihen 3:d6224049b3bf 109 void HTTPRequestHandler::processResponse(int nLen, char* body)
leihen 3:d6224049b3bf 110 {
leihen 3:d6224049b3bf 111 INFO("Processing Response !");
leihen 3:d6224049b3bf 112 tcp.send(body, nLen);
leihen 3:d6224049b3bf 113 }
leihen 3:d6224049b3bf 114
leihen 3:d6224049b3bf 115 void HTTPRequestHandler::endResponse()
leihen 3:d6224049b3bf 116 {
leihen 3:d6224049b3bf 117 INFO("Ending Response !");
leihen 3:d6224049b3bf 118 tcp.send("\r\n", 2);
leihen 3:d6224049b3bf 119 }
leihen 3:d6224049b3bf 120