Diff: HTTPRequestHandler.cpp

Revision:

0:fdf9c2c5200f

Child:

4:1b6b021ee21d

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/HTTPRequestHandler.cpp	Thu Feb 20 05:36:19 2014 +0000
@@ -0,0 +1,230 @@
+/*
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+*/
+
+//#include "core/netservice.h"
+#include "HTTPRequestHandler.h"
+
+#include <string.h>
+
+//#define __DEBUG
+//#include "dbg/dbg.h"
+
+#define HTTP_REQUEST_TIMEOUT 5000
+
+//HTTPRequestHandler::HTTPRequestHandler(const char* rootPath, const char* path, TCPSocket* pTCPSocket) : NetService(),
+//   m_pTCPSocketConnection(pTCPSocketConnection), m_reqHeaders(), m_respHeaders(),
+//   m_rootPath(rootPath), m_path(path), m_errc(200),
+//   m_watchdog(), m_timeout(0),**/ m_closed(false), m_headersSent(false) //OK
+HTTPRequestHandler::HTTPRequestHandler(const char* rootPath, const char* path, TCPSocketConnection* pTCPSocketConnection) :
+    m_pTCPSocketConnection(pTCPSocketConnection), m_reqHeaders(), m_respHeaders(),
+    m_rootPath(rootPath), m_path(path), m_errc(200), m_closed(false), m_headersSent(false)
+{
+    printf("+++(HTTPRequestHandler) init \r\n");
+    //Read & parse headers
+    readHeaders();
+//*  m_pTCPSocket->setOnEvent(this, &HTTPRequestHandler::onTCPSocketEvent);
+//*  setTimeout(HTTP_REQUEST_TIMEOUT);
+    printf("+++(HTTPRequestHandler) init end \r\n");
+}
+
+HTTPRequestHandler::~HTTPRequestHandler()
+{
+    close();
+    printf("+++(HTTPRequestHandler) Destroy end\r\n");
+}
+
+void HTTPRequestHandler::onTimeout() //Connection has timed out
+{
+    close();
+}
+
+void HTTPRequestHandler::close() //Close socket and destroy data
+{
+    if(m_closed)
+        return;
+    m_closed = true; //Prevent recursive calling or calling on an object being destructed by someone else
+    /**  m_watchdog.detach(); **/
+//*  onClose();
+//*  m_pTCPSocket->resetOnEvent();
+//*  m_pTCPSocket->close();
+//*  delete m_pTCPSocket; //Can safely destroy socket
+//*  NetService::close();
+}
+
+map<string, string>& HTTPRequestHandler::reqHeaders() //const
+{
+    return m_reqHeaders;
+}
+
+string& HTTPRequestHandler::path() //const
+{
+    return m_path;
+}
+
+int HTTPRequestHandler::dataLen() const
+{
+    map<string,string>::iterator it;
+    it = m_reqHeaders.find("Content-Length");
+    if( it == m_reqHeaders.end() ) {
+        return 0;
+    }
+    return atoi((*it).second.c_str()); //return 0 if parse fails, so that's fine
+}
+
+int HTTPRequestHandler::readData(char* buf, int len)
+{
+    return m_pTCPSocketConnection->receive(buf, len);
+}
+
+string& HTTPRequestHandler::rootPath() //const
+{
+    return m_rootPath;
+}
+
+void HTTPRequestHandler::setErrCode(int errc)
+{
+    m_errc = errc;
+}
+
+void HTTPRequestHandler::setContentLen(int len)
+{
+    char len_str[6] = {0};
+    sprintf(len_str, "%d", len);
+    respHeaders()["Content-Length"] = len_str;
+}
+
+map<string, string>& HTTPRequestHandler::respHeaders()
+{
+    return m_respHeaders;
+}
+
+int HTTPRequestHandler::writeData(const char* buf, int len)
+{
+    if(!m_headersSent) {
+        m_headersSent = true;
+        writeHeaders();
+    }
+    return m_pTCPSocketConnection->send((char *)buf, len);
+}
+/**
+void HTTPRequestHandler::setTimeout(int ms)
+{
+  m_timeout = 1000*ms;
+  resetTimeout();
+}
+**/
+/**
+void HTTPRequestHandler::resetTimeout()
+{
+  m_watchdog.detach();
+  m_watchdog.attach_us<HTTPRequestHandler>(this, &HTTPRequestHandler::onTimeout, m_timeout);
+}
+**/
+
+void HTTPRequestHandler::readHeaders()
+{
+    static char line[128];
+    static char key[128];
+    static char value[128];
+    while( readLine(line, 128) > 0) { //if == 0, it is an empty line = end of headers
+        int n = sscanf(line, "%[^:]: %[^\n]", key, value);
+        if ( n == 2 ) {
+            printf("\r\n+++(HTTPRequestHandler)Read header : %s : %s\r\n", key, value);
+            m_reqHeaders[key] = value;
+        }
+        //TODO: Impl n==1 case (part 2 of previous header)
+    }
+}
+
+void HTTPRequestHandler::writeHeaders() //Called at the first writeData call
+{
+    static char line[128];
+
+    //Response line
+    sprintf(line, "HTTP/1.1 %d MbedInfo\r\n", m_errc); //Not a violation of the standard not to include the descriptive text
+    m_pTCPSocketConnection->send(line, strlen(line));
+
+    map<string,string>::iterator it;
+    while( !m_respHeaders.empty() ) {
+        it = m_respHeaders.begin();
+        sprintf(line, "%s: %s\r\n", (*it).first.c_str(), (*it).second.c_str() );
+        printf("\r\n+++(HTTPRequestHandler)%s", line);
+        m_pTCPSocketConnection->send(line, strlen(line));
+        m_respHeaders.erase(it);
+    }
+    m_pTCPSocketConnection->send("\r\n",2); //End of head
+}
+
+int HTTPRequestHandler::readLine(char* str, int maxLen)
+{
+    int ret;
+    int len = 0;
+    for(int i = 0; i < maxLen - 1; i++) {
+        ret = m_pTCPSocketConnection->receive(str, 1);
+        if(!ret) {
+            break;
+        }
+        if( (len > 1) && *(str-1)=='\r' && *str=='\n' ) {
+            str--;
+            len-=2;
+            break;
+        } else if( *str=='\n' ) {
+            len--;
+            break;
+        }
+        str++;
+        len++;
+    }
+    *str = 0;
+    return len;
+}
+/**
+void HTTPRequestHandler::onTCPSocketEvent(TCPSocketEvent e)
+{
+  //printf("\r\nEvent %d in HTTPRequestHandler\r\n", e);
+  printf("\r\n+++(HTTPRequestHandler)Event in HTTPRequestHandler\r\n");
+
+  if(m_closed)
+  {
+    printf("\r\n+++(HTTPRequestHandler)WARN: Discarded\r\n");
+    return;
+  }
+
+  switch(e)
+  {
+        case TCPSOCKET_READABLE:
+    resetTimeout();
+   onReadable();
+    break;
+  case TCPSOCKET_WRITEABLE:
+    resetTimeout();
+    onWriteable();
+    break;
+  case TCPSOCKET_CONTIMEOUT:
+  case TCPSOCKET_CONRST:
+  case TCPSOCKET_CONABRT:
+  case TCPSOCKET_ERROR:
+  case TCPSOCKET_DISCONNECTED:
+    DBG("\r\nConnection error in handler\r\n");
+    close();
+    break;
+  }
+}
+**/
\ No newline at end of file