oludotun ode / HTTPServer

Mbed asked me to commit the library. Probably because it's an older version

Dependents:   ece4180_project

Fork of HTTPServer by Sarah Marsh

HTTPRequestHandler.cpp@18:0d9ea97a13f9, 2017-05-04 (annotated)

Committer:
dotunhunter
Date:
Thu May 04 12:09:12 2017 +0000
Revision:
18:0d9ea97a13f9
Parent:
16:cc3f5c53d0d5 
Commit for HTTPServer. Mbed asked me to commit it probably because it may be an old version. I'm not sure why.

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 13:aa5338a5e452 4 #define DEBUG
leihen 16:cc3f5c53d0d5 5 #include "hl_debug.h"
leihen 12:ba81cc117fb6 6 #include <ctype.h>
leihen 1:6b7472d5e9ee 7
leihen 1:6b7472d5e9ee 8
leihen 3:d6224049b3bf 9 static char buffer[128];
leihen 3:d6224049b3bf 10
leihen 11:3943841e1798 11
leihen 13:aa5338a5e452 12 const char hdrStandard[] = "DNT: 1\r\n"
leihen 13:aa5338a5e452 13 "MaxAge: 0\r\n"
leihen 13:aa5338a5e452 14 "Connection: Keep-Alive\r\n"
leihen 13:aa5338a5e452 15 "Content-Type: text/html\r\n"
leihen 13:aa5338a5e452 16 "Server: mbed embedded\r\n"
leihen 13:aa5338a5e452 17 "Accessible: 1\r\n"
leihen 13:aa5338a5e452 18 "\r\n";
leihen 11:3943841e1798 19
leihen 12:ba81cc117fb6 20
leihen 12:ba81cc117fb6 21 static int _stricmp(const char* a, const char* b)
leihen 12:ba81cc117fb6 22 {
leihen 12:ba81cc117fb6 23 int la = strlen(a);
leihen 12:ba81cc117fb6 24 int lb = strlen(b);
leihen 12:ba81cc117fb6 25 for (int i = 0 ; i < min(la, lb) ; i++) {
leihen 12:ba81cc117fb6 26 if (tolower((int)a[i]) != tolower((int)b[i]))
leihen 12:ba81cc117fb6 27 return i;
leihen 12:ba81cc117fb6 28 }
leihen 12:ba81cc117fb6 29 return 0;
leihen 12:ba81cc117fb6 30 }
leihen 12:ba81cc117fb6 31
leihen 12:ba81cc117fb6 32
leihen 12:ba81cc117fb6 33 static const struct mapping_t {
leihen 12:ba81cc117fb6 34 const char* key;
leihen 12:ba81cc117fb6 35 const char* value;
leihen 12:ba81cc117fb6 36 } fileTypeMapping[] = {
leihen 12:ba81cc117fb6 37 {".gif", "Content-Type: image/gif\r\n" },
leihen 12:ba81cc117fb6 38 {".jpg", "Content-Type: image/jpeg\r\n" },
leihen 12:ba81cc117fb6 39 {".jpeg","Content-Type: image/jpeg\r\n" },
leihen 12:ba81cc117fb6 40 {".ico", "Content-Type: image/x-icon\r\n"},
leihen 12:ba81cc117fb6 41 {".png", "Content-Type: image/png\r\n" },
leihen 12:ba81cc117fb6 42 {".zip", "Content-Type: image/zip\r\n" },
leihen 12:ba81cc117fb6 43 {".gz", "Content-Type: image/gz\r\n" },
leihen 12:ba81cc117fb6 44 {".tar", "Content-Type: image/tar\r\n" },
leihen 12:ba81cc117fb6 45 {".txt", "Content-Type: plain/text\r\n" },
leihen 12:ba81cc117fb6 46 {".pdf", "Content-Type: application/pdf\r\n" },
leihen 12:ba81cc117fb6 47 {".htm", "Content-Type: text/html\r\n" },
leihen 13:aa5338a5e452 48 {".html","Content-Type: text/html\r\n" },
leihen 13:aa5338a5e452 49 {".css", "Content-Type: text/css\r\n" },
leihen 13:aa5338a5e452 50 {".js", "Content-Type: text/javascript\r\n"}};
leihen 12:ba81cc117fb6 51
leihen 3:d6224049b3bf 52 HTTPRequestHandler::HTTPRequestHandler(HTTPConnection::HTTPMessage& Msg, TCPSocketConnection& Tcp)
leihen 3:d6224049b3bf 53 : msg(Msg), tcp(Tcp)
leihen 1:6b7472d5e9ee 54 {
leihen 3:d6224049b3bf 55 msg = Msg;
leihen 3:d6224049b3bf 56 tcp = Tcp;
leihen 12:ba81cc117fb6 57
leihen 1:6b7472d5e9ee 58 }
leihen 1:6b7472d5e9ee 59
leihen 1:6b7472d5e9ee 60 HTTPRequestHandler::~HTTPRequestHandler()
leihen 1:6b7472d5e9ee 61 {
leihen 3:d6224049b3bf 62 }
leihen 3:d6224049b3bf 63
leihen 12:ba81cc117fb6 64 void HTTPRequestHandler::getStandardHeaders(HTTPHeaders& header, const char* fext)
leihen 12:ba81cc117fb6 65 {
leihen 12:ba81cc117fb6 66 header.clear();
leihen 12:ba81cc117fb6 67 header["DNT"] = "1";
leihen 12:ba81cc117fb6 68 header["MaxAge"] = "0";
leihen 12:ba81cc117fb6 69 header["Connection"] = "Keep-Alive";
leihen 12:ba81cc117fb6 70 header["Server"] = "mbed Embedded";
leihen 12:ba81cc117fb6 71 if (fext == NULL)
leihen 12:ba81cc117fb6 72 header["Content-Type"] = "text/html";
leihen 12:ba81cc117fb6 73 else {
leihen 12:ba81cc117fb6 74 for (int i = 0 ; i < sizeof(fileTypeMapping)/sizeof(struct mapping_t) ;i++) {
leihen 12:ba81cc117fb6 75 if (_stricmp(fileTypeMapping[i].key, fext) == 0) {
leihen 12:ba81cc117fb6 76 header["Content-Type"] = fileTypeMapping[i].value;
leihen 12:ba81cc117fb6 77 break;
leihen 12:ba81cc117fb6 78 }
leihen 12:ba81cc117fb6 79 }
leihen 12:ba81cc117fb6 80 }
leihen 12:ba81cc117fb6 81 }
leihen 12:ba81cc117fb6 82
leihen 3:d6224049b3bf 83 void HTTPRequestHandler::handleRequest()
leihen 3:d6224049b3bf 84 {
leihen 3:d6224049b3bf 85 int err = 0;
leihen 3:d6224049b3bf 86
leihen 3:d6224049b3bf 87 switch (msg.request) {
leihen 3:d6224049b3bf 88 case HTTP_RT_GET:
leihen 3:d6224049b3bf 89 INFO("Dispatching GET Request.");
leihen 3:d6224049b3bf 90 err = handleGetRequest();
leihen 3:d6224049b3bf 91 break;
leihen 3:d6224049b3bf 92
leihen 4:d065642c32cc 93 case HTTP_RT_POST:
leihen 4:d065642c32cc 94 INFO("Dispatching POST request.");
leihen 4:d065642c32cc 95 err = handlePostRequest();
leihen 4:d065642c32cc 96 break;
leihen 3:d6224049b3bf 97
leihen 4:d065642c32cc 98 case HTTP_RT_PUT:
leihen 4:d065642c32cc 99 INFO("Dispatching PUT request.");
leihen 4:d065642c32cc 100 err = handlePutRequest();
leihen 4:d065642c32cc 101 break;
leihen 3:d6224049b3bf 102
leihen 3:d6224049b3bf 103 default:
leihen 3:d6224049b3bf 104 INFO("Error in handleRequest, unhandled request type.");
leihen 9:c2a1462b9b71 105 err = HTTP_NotImplemented;
leihen 3:d6224049b3bf 106 break;
leihen 3:d6224049b3bf 107 }
leihen 3:d6224049b3bf 108
leihen 3:d6224049b3bf 109 // if any of these functions returns a negative number, call the error handler
leihen 3:d6224049b3bf 110 if (err > 0) {
leihen 3:d6224049b3bf 111 handleError(err);
leihen 3:d6224049b3bf 112 }
leihen 3:d6224049b3bf 113 }
leihen 3:d6224049b3bf 114
leihen 13:aa5338a5e452 115 static const char* szErrorPage = "<HTML><HEAD><META content=\"text/html\" http-equiv=Content-Type></HEAD><BODY><h1>Error</h1><P>HTTPServer Error<P></BODY></HTML>\r\n\r\n";
leihen 3:d6224049b3bf 116
leihen 3:d6224049b3bf 117 void HTTPRequestHandler::handleError(int errorCode, HTTPHeaders* header)
leihen 3:d6224049b3bf 118 {
leihen 3:d6224049b3bf 119 INFO("Handling error !");
leihen 13:aa5338a5e452 120 tcp.set_blocking(false, 1500);
leihen 11:3943841e1798 121 sprintf(buffer,"HTTP/1.1 %d Error\r\n", errorCode);
leihen 3:d6224049b3bf 122 tcp.send(buffer, strlen(buffer));
leihen 3:d6224049b3bf 123 sprintf(buffer, "Content-Length: %d\r\n", strlen(szErrorPage));
leihen 3:d6224049b3bf 124 tcp.send(buffer, strlen(buffer));
leihen 3:d6224049b3bf 125 if (header == NULL) {
leihen 3:d6224049b3bf 126 sprintf(buffer, "Content-Type: text/html\r\nServer: mbed embedded\r\n\n\r");
leihen 3:d6224049b3bf 127 tcp.send(buffer, strlen(buffer));
leihen 3:d6224049b3bf 128 }
leihen 3:d6224049b3bf 129 else {
leihen 3:d6224049b3bf 130 for ( map<const char*, const char*>::iterator cIter = header->begin() ; cIter != header->end() ; cIter ++) {
leihen 3:d6224049b3bf 131 tcp.send((char*)cIter->first, strlen(cIter->first));
leihen 3:d6224049b3bf 132 tcp.send(": ", 2);
leihen 3:d6224049b3bf 133 tcp.send((char*)cIter->second, strlen(cIter->second));
leihen 3:d6224049b3bf 134 tcp.send("\r\n",2);
leihen 3:d6224049b3bf 135 }
leihen 3:d6224049b3bf 136 tcp.send("\r\n",2);
leihen 3:d6224049b3bf 137 }
leihen 3:d6224049b3bf 138 tcp.send((char*)szErrorPage, strlen(szErrorPage));
leihen 3:d6224049b3bf 139 }
leihen 3:d6224049b3bf 140
leihen 3:d6224049b3bf 141
leihen 7:cb7fec1265b5 142 void HTTPRequestHandler::startResponse(int returnCode, long nLen, HTTPHeaders* header)
leihen 3:d6224049b3bf 143 {
leihen 7:cb7fec1265b5 144 INFO("Starting response (%ld bytes in total)!", nLen);
leihen 13:aa5338a5e452 145 tcp.set_blocking(false, 1500);
leihen 11:3943841e1798 146 sprintf(buffer, "HTTP/1.1 %d OK\r\n", returnCode);
leihen 13:aa5338a5e452 147 tcp.send(buffer, strlen(buffer));
leihen 7:cb7fec1265b5 148 sprintf(buffer, "Content-Length: %ld\r\n", nLen); // Add 2 chars for the terminating CR+LF
leihen 13:aa5338a5e452 149 tcp.send(buffer, strlen(buffer));
leihen 13:aa5338a5e452 150 INFO("Sending standard headers !");
leihen 3:d6224049b3bf 151 if (header == NULL) {
leihen 13:aa5338a5e452 152 tcp.send_all((char*)hdrStandard, strlen(hdrStandard));
leihen 3:d6224049b3bf 153 }
leihen 3:d6224049b3bf 154 else {
leihen 3:d6224049b3bf 155 for ( map<const char*, const char*>::iterator cIter = header->begin() ; cIter != header->end() ; cIter ++) {
leihen 13:aa5338a5e452 156 tcp.send_all((char*)cIter->first, strlen(cIter->first));
leihen 13:aa5338a5e452 157 tcp.send_all(": ", 2);
leihen 13:aa5338a5e452 158 tcp.send_all((char*)cIter->second, strlen(cIter->second));
leihen 13:aa5338a5e452 159 tcp.send_all("\r\n\r\n",2);
leihen 3:d6224049b3bf 160 }
leihen 11:3943841e1798 161 tcp.send_all("\r\n", 2);
leihen 3:d6224049b3bf 162 }
leihen 13:aa5338a5e452 163 INFO("Proceeding !");
leihen 3:d6224049b3bf 164 // other content must be sent using the 'processResponse' function
leihen 3:d6224049b3bf 165 }
leihen 3:d6224049b3bf 166
leihen 3:d6224049b3bf 167 void HTTPRequestHandler::processResponse(int nLen, char* body)
leihen 3:d6224049b3bf 168 {
leihen 7:cb7fec1265b5 169 INFO("Processing Response (%d bytes)!\n",nLen);
leihen 11:3943841e1798 170 tcp.send_all(body, nLen);
leihen 3:d6224049b3bf 171 }
leihen 3:d6224049b3bf 172
leihen 3:d6224049b3bf 173 void HTTPRequestHandler::endResponse()
leihen 3:d6224049b3bf 174 {
leihen 3:d6224049b3bf 175 INFO("Ending Response !");
leihen 3:d6224049b3bf 176 }