Rod Coleman / lwip-mbed-2010

Port of LwIP performed by Ralf in 2010. Not recommended for use with recent mbed libraries, but good demos of raw LwIP possible

Dependents:   LwIP_raw_API_serverExample tiny-dtls

HTTPServer/HTTPFields.h@0:0791c1fece8e, 2012-09-18 (annotated)

Committer:
RodColeman
Date:
Tue Sep 18 14:41:24 2012 +0000
Revision:
0:0791c1fece8e
[mbed] converted /Eth_TCP_Wei_Server/lwip

Who changed what in which revision?

UserRevisionLine numberNew contents of line
RodColeman 0:0791c1fece8e 1 #ifndef HTTPATTRIBUTE_H
RodColeman 0:0791c1fece8e 2 #define HTTPATTRIBUTE_H
RodColeman 0:0791c1fece8e 3
RodColeman 0:0791c1fece8e 4 #include "HTTPServer.h"
RodColeman 0:0791c1fece8e 5
RodColeman 0:0791c1fece8e 6 /**
RodColeman 0:0791c1fece8e 7 * A simple HTTPHandler which will add new fields to the httpresult header.
RodColeman 0:0791c1fece8e 8 * It can be used for adding caching strtegies.
RodColeman 0:0791c1fece8e 9 */
RodColeman 0:0791c1fece8e 10 class HTTPFields : public HTTPHandler {
RodColeman 0:0791c1fece8e 11 public:
RodColeman 0:0791c1fece8e 12 /**
RodColeman 0:0791c1fece8e 13 * Create new HTTPFields
RodColeman 0:0791c1fece8e 14 * @param prefix The prefix path on witch we will execute the Handler. Means add the fields.
RodColeman 0:0791c1fece8e 15 * @param fields The Fields wicht are added to all Handlers with the same prefix and which are added after this one.
RodColeman 0:0791c1fece8e 16 */
RodColeman 0:0791c1fece8e 17 HTTPFields(const char *prefix, const char *fields) : HTTPHandler(prefix) { _fields = fields; }
RodColeman 0:0791c1fece8e 18 HTTPFields(HTTPServer *server, const char *prefix, const char *fields) : HTTPHandler(prefix) { _fields = fields; server->addHandler(this); }
RodColeman 0:0791c1fece8e 19
RodColeman 0:0791c1fece8e 20 private:
RodColeman 0:0791c1fece8e 21 /**
RodColeman 0:0791c1fece8e 22 * The Action methon should work on a Connection.
RodColeman 0:0791c1fece8e 23 * If the result is HTTP_AddFields the Server will know that we modified the connection header.
RodColeman 0:0791c1fece8e 24 * If the result is HTTP_Deliver the server will use this object to anwere the request.
RodColeman 0:0791c1fece8e 25 *
RodColeman 0:0791c1fece8e 26 * In this case we add new fields to the header.
RodColeman 0:0791c1fece8e 27 */
RodColeman 0:0791c1fece8e 28 virtual HTTPHandle action(HTTPConnection *con) const {
RodColeman 0:0791c1fece8e 29 char *old = (char *)con->getHeaderFields();
RodColeman 0:0791c1fece8e 30 int oldlen = strlen(old);
RodColeman 0:0791c1fece8e 31 int atrlen = strlen(_fields);
RodColeman 0:0791c1fece8e 32 char *fields = new char[atrlen+oldlen+3];
RodColeman 0:0791c1fece8e 33 strcpy(fields,old);
RodColeman 0:0791c1fece8e 34 fields[oldlen+0] = '\r';
RodColeman 0:0791c1fece8e 35 fields[oldlen+1] = '\n';
RodColeman 0:0791c1fece8e 36 strcpy(&fields[oldlen+2], _fields);
RodColeman 0:0791c1fece8e 37 fields[atrlen+2+oldlen] = '\0';
RodColeman 0:0791c1fece8e 38 con->setHeaderFields(fields);
RodColeman 0:0791c1fece8e 39 if(*old) {
RodColeman 0:0791c1fece8e 40 delete old;
RodColeman 0:0791c1fece8e 41 }
RodColeman 0:0791c1fece8e 42 return HTTP_AddFields;
RodColeman 0:0791c1fece8e 43 }
RodColeman 0:0791c1fece8e 44
RodColeman 0:0791c1fece8e 45 const char *_fields;
RodColeman 0:0791c1fece8e 46 };
RodColeman 0:0791c1fece8e 47
RodColeman 0:0791c1fece8e 48 #endif
RodColeman 0:0791c1fece8e 49