My fork of the HTTPServer (working)
HTTPServer/HTTPServer.h@1:284f2df30cf9, 2012-11-20 (annotated)
- Committer:
- screamer
- Date:
- Tue Nov 20 12:18:53 2012 +0000
- Revision:
- 1:284f2df30cf9
- Parent:
- 0:7a64fbb4069d
local changes
Who changed what in which revision?
User | Revision | Line number | New contents of line |
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screamer | 0:7a64fbb4069d | 1 | #ifndef HTTPSERVER_H |
screamer | 0:7a64fbb4069d | 2 | #define HTTPSERVER_H |
screamer | 0:7a64fbb4069d | 3 | |
screamer | 0:7a64fbb4069d | 4 | #include "TCPConnection.h" |
screamer | 0:7a64fbb4069d | 5 | #include "TCPListener.h" |
screamer | 0:7a64fbb4069d | 6 | #include "NetServer.h" |
screamer | 0:7a64fbb4069d | 7 | |
screamer | 0:7a64fbb4069d | 8 | #include <map> |
screamer | 0:7a64fbb4069d | 9 | #include <set> |
screamer | 0:7a64fbb4069d | 10 | #include <list> |
screamer | 0:7a64fbb4069d | 11 | |
screamer | 0:7a64fbb4069d | 12 | #define HTTP_MAX_EMPTYPOLLS 100 |
screamer | 0:7a64fbb4069d | 13 | #define GET 4 |
screamer | 0:7a64fbb4069d | 14 | #define POST 5 |
screamer | 0:7a64fbb4069d | 15 | |
screamer | 0:7a64fbb4069d | 16 | //extern unsigned int gconnections; |
screamer | 0:7a64fbb4069d | 17 | |
screamer | 0:7a64fbb4069d | 18 | using namespace std; |
screamer | 0:7a64fbb4069d | 19 | |
screamer | 0:7a64fbb4069d | 20 | namespace mbed { |
screamer | 0:7a64fbb4069d | 21 | |
screamer | 0:7a64fbb4069d | 22 | class HTTPServer; |
screamer | 0:7a64fbb4069d | 23 | class HTTPHandler; |
screamer | 0:7a64fbb4069d | 24 | class HTTPConnection; |
screamer | 0:7a64fbb4069d | 25 | |
screamer | 0:7a64fbb4069d | 26 | /** |
screamer | 0:7a64fbb4069d | 27 | * A simple HASH function to reduce the size of stored Header Fields |
screamer | 0:7a64fbb4069d | 28 | * TODO: Make the Hash case insensetive. |
screamer | 0:7a64fbb4069d | 29 | */ |
screamer | 0:7a64fbb4069d | 30 | unsigned int hash(unsigned char *str); |
screamer | 0:7a64fbb4069d | 31 | |
screamer | 0:7a64fbb4069d | 32 | /** |
screamer | 0:7a64fbb4069d | 33 | * The Status of an HTTP Request |
screamer | 0:7a64fbb4069d | 34 | * Nedded for HTTPHandler subclasses to define there reults in the HTTPHandler:init Method. |
screamer | 0:7a64fbb4069d | 35 | */ |
screamer | 0:7a64fbb4069d | 36 | enum HTTPStatus { |
screamer | 0:7a64fbb4069d | 37 | HTTP_OK = 200, |
screamer | 0:7a64fbb4069d | 38 | HTTP_BadRequest = 400, |
screamer | 0:7a64fbb4069d | 39 | HTTP_Unauthorized = 401, |
screamer | 0:7a64fbb4069d | 40 | HTTP_Forbidden = 403, |
screamer | 0:7a64fbb4069d | 41 | HTTP_NotFound = 404, |
screamer | 0:7a64fbb4069d | 42 | HTTP_MethodNotAllowed = 405, |
screamer | 0:7a64fbb4069d | 43 | HTTP_InternalServerError = 500, |
screamer | 0:7a64fbb4069d | 44 | HTTP_NotImplemented = 501, |
screamer | 0:7a64fbb4069d | 45 | }; |
screamer | 0:7a64fbb4069d | 46 | |
screamer | 0:7a64fbb4069d | 47 | /** |
screamer | 0:7a64fbb4069d | 48 | * The result of a chunk of data used for the HTTPHandler Methodes data and send |
screamer | 0:7a64fbb4069d | 49 | */ |
screamer | 0:7a64fbb4069d | 50 | enum HTTPHandle { |
screamer | 0:7a64fbb4069d | 51 | /** Execution Succeeded but more data expected. */ |
screamer | 0:7a64fbb4069d | 52 | HTTP_Success = 600, |
screamer | 0:7a64fbb4069d | 53 | |
screamer | 0:7a64fbb4069d | 54 | /** Running out of memory waiting for memory */ |
screamer | 0:7a64fbb4069d | 55 | HTTP_SenderMemory = 601, |
screamer | 0:7a64fbb4069d | 56 | |
screamer | 0:7a64fbb4069d | 57 | |
screamer | 0:7a64fbb4069d | 58 | /** Execution Succeeded and no more data expected. */ |
screamer | 0:7a64fbb4069d | 59 | HTTP_SuccessEnded = 700, |
screamer | 0:7a64fbb4069d | 60 | |
screamer | 0:7a64fbb4069d | 61 | /** Execution failed. Close conection*/ |
screamer | 0:7a64fbb4069d | 62 | HTTP_Failed = 701, |
screamer | 0:7a64fbb4069d | 63 | |
screamer | 0:7a64fbb4069d | 64 | /** This module will deliver the data. */ |
screamer | 0:7a64fbb4069d | 65 | HTTP_Deliver = 800, |
screamer | 0:7a64fbb4069d | 66 | |
screamer | 0:7a64fbb4069d | 67 | /** This module has add header fields to the request. */ |
screamer | 0:7a64fbb4069d | 68 | HTTP_AddFields = 801, |
screamer | 0:7a64fbb4069d | 69 | }; |
screamer | 0:7a64fbb4069d | 70 | |
screamer | 0:7a64fbb4069d | 71 | /** |
screamer | 0:7a64fbb4069d | 72 | * A parent object for a data storage container for all HTTPHandler objects. |
screamer | 0:7a64fbb4069d | 73 | */ |
screamer | 0:7a64fbb4069d | 74 | class HTTPData { |
screamer | 0:7a64fbb4069d | 75 | public: |
screamer | 0:7a64fbb4069d | 76 | HTTPData() {} |
screamer | 0:7a64fbb4069d | 77 | virtual ~HTTPData() {} |
screamer | 0:7a64fbb4069d | 78 | }; |
screamer | 0:7a64fbb4069d | 79 | |
screamer | 0:7a64fbb4069d | 80 | /** |
screamer | 0:7a64fbb4069d | 81 | * A HTTPHandler will serve the requested data if there is an object of a |
screamer | 0:7a64fbb4069d | 82 | * child class from HTTPHandler which is registert to an matching prefix. |
screamer | 0:7a64fbb4069d | 83 | * To see how to implement your own HTTPHandler classes have a look at |
screamer | 0:7a64fbb4069d | 84 | * HTTPRPC HTTPStaticPage and HTTPFileSystemHandler. |
screamer | 0:7a64fbb4069d | 85 | */ |
screamer | 0:7a64fbb4069d | 86 | class HTTPHandler { |
screamer | 0:7a64fbb4069d | 87 | public: |
screamer | 0:7a64fbb4069d | 88 | HTTPHandler(const char *prefix) : _prefix(prefix) {}; |
screamer | 0:7a64fbb4069d | 89 | virtual ~HTTPHandler() { |
screamer | 0:7a64fbb4069d | 90 | delete _prefix; |
screamer | 0:7a64fbb4069d | 91 | }; |
screamer | 0:7a64fbb4069d | 92 | |
screamer | 0:7a64fbb4069d | 93 | protected: |
screamer | 0:7a64fbb4069d | 94 | /** |
screamer | 0:7a64fbb4069d | 95 | * Register needed header fields by the HTTPServer. |
screamer | 0:7a64fbb4069d | 96 | * Because of memory size the server will throw away all request header fields which are not registert. |
screamer | 0:7a64fbb4069d | 97 | * Register the fields you need in your implementation of this method. |
screamer | 0:7a64fbb4069d | 98 | */ |
screamer | 0:7a64fbb4069d | 99 | virtual void reg(HTTPServer *) {}; |
screamer | 0:7a64fbb4069d | 100 | |
screamer | 0:7a64fbb4069d | 101 | /** |
screamer | 0:7a64fbb4069d | 102 | * This Method returns if you will deliver the requested page or not. |
screamer | 0:7a64fbb4069d | 103 | * It will only executed if the prefix is matched by the URL. |
screamer | 0:7a64fbb4069d | 104 | * If you want to add something to the headerfiles use this method and return HTTP_AddFields. See HTTPFields |
screamer | 0:7a64fbb4069d | 105 | * This would be the right method to implement an Auth Handler. |
screamer | 0:7a64fbb4069d | 106 | */ |
screamer | 0:7a64fbb4069d | 107 | virtual HTTPHandle action(HTTPConnection *) const {return HTTP_Deliver;} |
screamer | 0:7a64fbb4069d | 108 | |
screamer | 0:7a64fbb4069d | 109 | /** |
screamer | 0:7a64fbb4069d | 110 | * If action returned HTTP_Deliver. |
screamer | 0:7a64fbb4069d | 111 | * This function will be executed and it means your handler will be deliver the requested data. |
screamer | 0:7a64fbb4069d | 112 | * In this method is the right place to allocate the needed space for your request data and to prepare the sended Header. |
screamer | 0:7a64fbb4069d | 113 | */ |
screamer | 0:7a64fbb4069d | 114 | virtual HTTPStatus init(HTTPConnection *) const {return HTTP_NotFound;} |
screamer | 0:7a64fbb4069d | 115 | |
screamer | 0:7a64fbb4069d | 116 | /** |
screamer | 0:7a64fbb4069d | 117 | * If data from a post request is arrived for an request you accepted this function will be executed with the data. |
screamer | 0:7a64fbb4069d | 118 | * @param data A pointer to the received data. |
screamer | 0:7a64fbb4069d | 119 | * @param len The length of the received data. |
screamer | 0:7a64fbb4069d | 120 | * @return Return an HTTPHandle. For example HTTP_SuccessEnded if you received all your needed data and want to close the conection (normally not the case). |
screamer | 0:7a64fbb4069d | 121 | */ |
screamer | 0:7a64fbb4069d | 122 | virtual HTTPHandle data(HTTPConnection *, void *data, int len) const {return HTTP_SuccessEnded;} |
screamer | 0:7a64fbb4069d | 123 | |
screamer | 0:7a64fbb4069d | 124 | /** |
screamer | 0:7a64fbb4069d | 125 | * If tere is new space in the sendbuffer this function is executed. You can send maximal Bytes of data. |
screamer | 0:7a64fbb4069d | 126 | * @return Return an HTTPHandle. For example HTTP_SuccessEnded if you send out all your data and you want to close the connection. |
screamer | 0:7a64fbb4069d | 127 | */ |
screamer | 0:7a64fbb4069d | 128 | virtual HTTPHandle send(HTTPConnection *, int) const {return HTTP_SuccessEnded;} |
screamer | 0:7a64fbb4069d | 129 | |
screamer | 0:7a64fbb4069d | 130 | /** |
screamer | 0:7a64fbb4069d | 131 | * returns the Prefix from the HTTPHandler |
screamer | 0:7a64fbb4069d | 132 | */ |
screamer | 0:7a64fbb4069d | 133 | const char *getPrefix() const {return _prefix;} |
screamer | 0:7a64fbb4069d | 134 | |
screamer | 0:7a64fbb4069d | 135 | const char *_prefix; |
screamer | 0:7a64fbb4069d | 136 | |
screamer | 0:7a64fbb4069d | 137 | friend HTTPServer; |
screamer | 0:7a64fbb4069d | 138 | friend HTTPConnection; |
screamer | 0:7a64fbb4069d | 139 | }; |
screamer | 0:7a64fbb4069d | 140 | |
screamer | 0:7a64fbb4069d | 141 | /** |
screamer | 0:7a64fbb4069d | 142 | * For every incomming connection we have a HTTPConnection object which will handle the requests of this connection. |
screamer | 0:7a64fbb4069d | 143 | */ |
screamer | 0:7a64fbb4069d | 144 | class HTTPConnection : public TCPConnection { |
screamer | 0:7a64fbb4069d | 145 | public: |
screamer | 0:7a64fbb4069d | 146 | /** |
screamer | 0:7a64fbb4069d | 147 | * Constructs a new connection object from a server. |
screamer | 0:7a64fbb4069d | 148 | * It just need the server object to contact the handlers |
screamer | 0:7a64fbb4069d | 149 | * and the tcp connection pcb. |
screamer | 0:7a64fbb4069d | 150 | * @param parent The server which created the connection. |
screamer | 0:7a64fbb4069d | 151 | * @param pcb The pcb object NetServers internal representation of an TCP Connection |
screamer | 0:7a64fbb4069d | 152 | */ |
screamer | 0:7a64fbb4069d | 153 | HTTPConnection(HTTPServer *parent, struct tcp_pcb *pcb); |
screamer | 0:7a64fbb4069d | 154 | /** |
screamer | 0:7a64fbb4069d | 155 | * Default destructor. Simple cleanup. |
screamer | 0:7a64fbb4069d | 156 | */ |
screamer | 0:7a64fbb4069d | 157 | virtual ~HTTPConnection(); |
screamer | 0:7a64fbb4069d | 158 | |
screamer | 0:7a64fbb4069d | 159 | /** |
screamer | 0:7a64fbb4069d | 160 | * Get the requested url. |
screamer | 0:7a64fbb4069d | 161 | * Only set if a request ist received. |
screamer | 0:7a64fbb4069d | 162 | */ |
screamer | 0:7a64fbb4069d | 163 | char *getURL() const { return _request_url; } |
screamer | 0:7a64fbb4069d | 164 | |
screamer | 0:7a64fbb4069d | 165 | /** |
screamer | 0:7a64fbb4069d | 166 | * Gets a string of set fields to send with the answere header. |
screamer | 0:7a64fbb4069d | 167 | */ |
screamer | 0:7a64fbb4069d | 168 | const char *getHeaderFields() const { return (_request_headerfields)?_request_headerfields:""; } |
screamer | 0:7a64fbb4069d | 169 | |
screamer | 0:7a64fbb4069d | 170 | /** |
screamer | 0:7a64fbb4069d | 171 | * Gets the length of the anwere in bytes. This is requiered for the HTTP Header. |
screamer | 0:7a64fbb4069d | 172 | * It should be set over setLength by an HTTPHandler in the init() method. |
screamer | 0:7a64fbb4069d | 173 | */ |
screamer | 0:7a64fbb4069d | 174 | const int &getLength() const { return _request_length; } |
screamer | 0:7a64fbb4069d | 175 | |
screamer | 0:7a64fbb4069d | 176 | /** |
screamer | 0:7a64fbb4069d | 177 | * Gets POST or GET or 0 depends on wether ther is a request and what type is requested. |
screamer | 0:7a64fbb4069d | 178 | */ |
screamer | 0:7a64fbb4069d | 179 | const char &getType() const { return _request_type; } |
screamer | 0:7a64fbb4069d | 180 | |
screamer | 0:7a64fbb4069d | 181 | /** |
screamer | 0:7a64fbb4069d | 182 | * Gets a value from a header field of the request header. |
screamer | 0:7a64fbb4069d | 183 | * But you must have registerd this headerfield by the HTTPServer before. |
screamer | 0:7a64fbb4069d | 184 | * Use the HTTPHandler::reg() method for the registration of important header fields for your Handler. |
screamer | 0:7a64fbb4069d | 185 | */ |
screamer | 0:7a64fbb4069d | 186 | const char *getField(char *key) const; |
screamer | 0:7a64fbb4069d | 187 | |
screamer | 0:7a64fbb4069d | 188 | /** |
screamer | 0:7a64fbb4069d | 189 | * For internal usage. Adds an header field value to its hash. |
screamer | 0:7a64fbb4069d | 190 | * If it was registered You can see the Value with the getField method |
screamer | 0:7a64fbb4069d | 191 | */ |
screamer | 0:7a64fbb4069d | 192 | void addField(char *key, char *value); |
screamer | 0:7a64fbb4069d | 193 | |
screamer | 0:7a64fbb4069d | 194 | /** |
screamer | 0:7a64fbb4069d | 195 | * Sets the result length for an request shoud be set in an HTTPHandler.init() call. |
screamer | 0:7a64fbb4069d | 196 | * This Value will be send with the response header before the first chunk of data is send. |
screamer | 0:7a64fbb4069d | 197 | */ |
screamer | 0:7a64fbb4069d | 198 | void setLength(const int &value) { _request_length = value; } |
screamer | 0:7a64fbb4069d | 199 | |
screamer | 0:7a64fbb4069d | 200 | /** |
screamer | 0:7a64fbb4069d | 201 | * Set the response header field to a value. |
screamer | 0:7a64fbb4069d | 202 | * Should be used in the HTTPHandler::init() method. |
screamer | 0:7a64fbb4069d | 203 | * For example if you want to set caching methods. |
screamer | 0:7a64fbb4069d | 204 | */ |
screamer | 0:7a64fbb4069d | 205 | void setHeaderFields(char *value) { _request_headerfields = value; } |
screamer | 0:7a64fbb4069d | 206 | |
screamer | 0:7a64fbb4069d | 207 | /** Indicates that if a request is received the header is incomplete until now. */ |
screamer | 0:7a64fbb4069d | 208 | bool request_incomplete; |
screamer | 0:7a64fbb4069d | 209 | |
screamer | 0:7a64fbb4069d | 210 | /** If an request is complete HTTPHandler:init will be called and can store here its connection data. */ |
screamer | 0:7a64fbb4069d | 211 | HTTPData *data; |
screamer | 0:7a64fbb4069d | 212 | |
screamer | 0:7a64fbb4069d | 213 | /** The handler which handles the current request. Depends on the prefix of the URL. */ |
screamer | 0:7a64fbb4069d | 214 | HTTPHandler *request_handler; |
screamer | 0:7a64fbb4069d | 215 | |
screamer | 0:7a64fbb4069d | 216 | /** The status of the request. Will be set as result of HTTPHandler::init. */ |
screamer | 0:7a64fbb4069d | 217 | HTTPStatus request_status; |
screamer | 0:7a64fbb4069d | 218 | |
screamer | 0:7a64fbb4069d | 219 | /** The HTTTPServer which created this connection. */ |
screamer | 0:7a64fbb4069d | 220 | HTTPServer *parent; |
screamer | 0:7a64fbb4069d | 221 | private: |
screamer | 0:7a64fbb4069d | 222 | virtual void err(err_t err); |
screamer | 0:7a64fbb4069d | 223 | virtual err_t poll(); |
screamer | 0:7a64fbb4069d | 224 | virtual err_t sent(u16_t len); |
screamer | 0:7a64fbb4069d | 225 | virtual err_t recv(struct pbuf *q, err_t err); |
screamer | 0:7a64fbb4069d | 226 | |
screamer | 0:7a64fbb4069d | 227 | /** We will not make any DNS requests. */ |
screamer | 0:7a64fbb4069d | 228 | virtual void dnsreply(const char *, struct ip_addr *) {} |
screamer | 0:7a64fbb4069d | 229 | |
screamer | 0:7a64fbb4069d | 230 | /** If a request is finished it will be deleted with this method. Simple cleanup. */ |
screamer | 0:7a64fbb4069d | 231 | void deleteRequest(); |
screamer | 0:7a64fbb4069d | 232 | |
screamer | 0:7a64fbb4069d | 233 | /** Call the handler to send the next chunk of data. */ |
screamer | 0:7a64fbb4069d | 234 | void send(); |
screamer | 0:7a64fbb4069d | 235 | |
screamer | 0:7a64fbb4069d | 236 | /** Call the handler if we received new data. */ |
screamer | 0:7a64fbb4069d | 237 | void store(void *d, struct pbuf *p); |
screamer | 0:7a64fbb4069d | 238 | |
screamer | 0:7a64fbb4069d | 239 | /** |
screamer | 0:7a64fbb4069d | 240 | * If a request header is not complete we can colect needed header fields. |
screamer | 0:7a64fbb4069d | 241 | * This happens in here. |
screamer | 0:7a64fbb4069d | 242 | */ |
screamer | 0:7a64fbb4069d | 243 | void getFields(struct pbuf **q, char **d); |
screamer | 0:7a64fbb4069d | 244 | |
screamer | 0:7a64fbb4069d | 245 | char *_request_url; |
screamer | 0:7a64fbb4069d | 246 | char _request_type; |
screamer | 0:7a64fbb4069d | 247 | char *_request_headerfields; |
screamer | 0:7a64fbb4069d | 248 | map<unsigned int, char *> _request_fields; |
screamer | 0:7a64fbb4069d | 249 | int _request_length; |
screamer | 0:7a64fbb4069d | 250 | char *_request_arg_key; |
screamer | 0:7a64fbb4069d | 251 | char *_request_arg_value; |
screamer | 0:7a64fbb4069d | 252 | char _request_arg_state; |
screamer | 0:7a64fbb4069d | 253 | |
screamer | 0:7a64fbb4069d | 254 | u8_t emptypolls; |
screamer | 0:7a64fbb4069d | 255 | }; |
screamer | 0:7a64fbb4069d | 256 | |
screamer | 0:7a64fbb4069d | 257 | /** |
screamer | 0:7a64fbb4069d | 258 | * The HTTPServer class. |
screamer | 0:7a64fbb4069d | 259 | * It representates the top class of an HTTPServer. |
screamer | 0:7a64fbb4069d | 260 | */ |
screamer | 0:7a64fbb4069d | 261 | class HTTPServer : public TCPListener { |
screamer | 0:7a64fbb4069d | 262 | public: |
screamer | 0:7a64fbb4069d | 263 | /** |
screamer | 0:7a64fbb4069d | 264 | * Create a new server instance by default on port 80. |
screamer | 0:7a64fbb4069d | 265 | */ |
screamer | 0:7a64fbb4069d | 266 | HTTPServer(u16_t = 80); |
screamer | 0:7a64fbb4069d | 267 | virtual ~HTTPServer() { |
screamer | 0:7a64fbb4069d | 268 | fields.clear(); |
screamer | 0:7a64fbb4069d | 269 | _handler.clear(); |
screamer | 0:7a64fbb4069d | 270 | } |
screamer | 0:7a64fbb4069d | 271 | |
screamer | 0:7a64fbb4069d | 272 | /** |
screamer | 0:7a64fbb4069d | 273 | * Add a new content handler to handle requests. |
screamer | 0:7a64fbb4069d | 274 | * Content handler are URL prefix specific. |
screamer | 0:7a64fbb4069d | 275 | * Have a look at HTTPRPC and HTTPFileSystemHandler for examples. |
screamer | 0:7a64fbb4069d | 276 | */ |
screamer | 0:7a64fbb4069d | 277 | virtual void addHandler(HTTPHandler *handler) { |
screamer | 0:7a64fbb4069d | 278 | _handler.push_back(handler); |
screamer | 0:7a64fbb4069d | 279 | handler->reg(this); |
screamer | 0:7a64fbb4069d | 280 | } |
screamer | 0:7a64fbb4069d | 281 | |
screamer | 0:7a64fbb4069d | 282 | /** |
screamer | 0:7a64fbb4069d | 283 | * Register needed header fields to filter from a request header. |
screamer | 0:7a64fbb4069d | 284 | * Should be called from HTTPHandler::reg() |
screamer | 0:7a64fbb4069d | 285 | */ |
screamer | 0:7a64fbb4069d | 286 | virtual void registerField(char *name) { |
screamer | 0:7a64fbb4069d | 287 | fields.insert(hash((unsigned char *)name)); |
screamer | 0:7a64fbb4069d | 288 | } |
screamer | 0:7a64fbb4069d | 289 | |
screamer | 0:7a64fbb4069d | 290 | /** |
screamer | 0:7a64fbb4069d | 291 | * A short lookup if the headerfield is registerd. |
screamer | 0:7a64fbb4069d | 292 | */ |
screamer | 0:7a64fbb4069d | 293 | virtual bool isField(unsigned long h) const { |
screamer | 0:7a64fbb4069d | 294 | return fields.find(h) != fields.end(); |
screamer | 0:7a64fbb4069d | 295 | } |
screamer | 0:7a64fbb4069d | 296 | |
screamer | 0:7a64fbb4069d | 297 | /** |
screamer | 0:7a64fbb4069d | 298 | * You have to call this method at least every 250ms to let the http server run. |
screamer | 0:7a64fbb4069d | 299 | * But I would recomend to call this function as fast as possible. |
screamer | 0:7a64fbb4069d | 300 | * This function is directly coupled to the answere time of your HTTPServer instance. |
screamer | 0:7a64fbb4069d | 301 | */ |
screamer | 0:7a64fbb4069d | 302 | inline static void poll() { |
screamer | 0:7a64fbb4069d | 303 | NetServer::poll(); |
screamer | 0:7a64fbb4069d | 304 | } |
screamer | 0:7a64fbb4069d | 305 | private: |
screamer | 0:7a64fbb4069d | 306 | /** |
screamer | 0:7a64fbb4069d | 307 | * Pick up the right handler to deliver the response. |
screamer | 0:7a64fbb4069d | 308 | */ |
screamer | 0:7a64fbb4069d | 309 | virtual HTTPHandler *handle(HTTPConnection *con) const { |
screamer | 0:7a64fbb4069d | 310 | for(list<HTTPHandler *>::const_iterator iter = _handler.begin(); |
screamer | 0:7a64fbb4069d | 311 | iter != _handler.end(); iter++) { |
screamer | 0:7a64fbb4069d | 312 | if(strncmp((*iter)->getPrefix(), con->getURL(), strlen((*iter)->getPrefix()))==0) { |
screamer | 0:7a64fbb4069d | 313 | HTTPHandler *handler = *iter; |
screamer | 0:7a64fbb4069d | 314 | if(handler->action(con)==HTTP_Deliver) { |
screamer | 0:7a64fbb4069d | 315 | return *iter; |
screamer | 0:7a64fbb4069d | 316 | } |
screamer | 0:7a64fbb4069d | 317 | } |
screamer | 0:7a64fbb4069d | 318 | } |
screamer | 0:7a64fbb4069d | 319 | return NULL; |
screamer | 0:7a64fbb4069d | 320 | } |
screamer | 0:7a64fbb4069d | 321 | |
screamer | 0:7a64fbb4069d | 322 | /** |
screamer | 0:7a64fbb4069d | 323 | * Accept an incomming connection and fork a HTTPConnection if we have enought memory. |
screamer | 0:7a64fbb4069d | 324 | */ |
screamer | 0:7a64fbb4069d | 325 | virtual err_t accept(struct tcp_pcb *pcb, err_t err) { |
screamer | 0:7a64fbb4069d | 326 | LWIP_UNUSED_ARG(err); |
screamer | 0:7a64fbb4069d | 327 | HTTPConnection *con = new HTTPConnection(this, pcb); |
screamer | 0:7a64fbb4069d | 328 | // printf("New Connection opend. Now are %u connections open\n", ++gconnections); |
screamer | 0:7a64fbb4069d | 329 | if(con == NULL) { |
screamer | 0:7a64fbb4069d | 330 | printf("http_accept: Out of memory\n"); |
screamer | 0:7a64fbb4069d | 331 | return ERR_MEM; |
screamer | 0:7a64fbb4069d | 332 | } |
screamer | 0:7a64fbb4069d | 333 | con->set_poll_interval(1); |
screamer | 0:7a64fbb4069d | 334 | tcp_setprio(pcb, TCP_PRIO_MIN); |
screamer | 0:7a64fbb4069d | 335 | return ERR_OK; |
screamer | 0:7a64fbb4069d | 336 | } |
screamer | 0:7a64fbb4069d | 337 | |
screamer | 0:7a64fbb4069d | 338 | /** The registerd request header fields */ |
screamer | 0:7a64fbb4069d | 339 | set<unsigned int> fields; |
screamer | 0:7a64fbb4069d | 340 | |
screamer | 0:7a64fbb4069d | 341 | /** A List of all registered handler. */ |
screamer | 0:7a64fbb4069d | 342 | list<HTTPHandler *> _handler; |
screamer | 0:7a64fbb4069d | 343 | friend HTTPConnection; |
screamer | 0:7a64fbb4069d | 344 | }; |
screamer | 0:7a64fbb4069d | 345 | |
screamer | 0:7a64fbb4069d | 346 | }; |
screamer | 0:7a64fbb4069d | 347 | |
screamer | 0:7a64fbb4069d | 348 | #endif /* HTTP_H */ |