Sarah Marsh / HTTPServer

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Dependents:   RPC_HTTP RPC_HTTP_WIZnetInterface RPC_HTTP rpc_over_http_TL_interrupter_gatePJ

Fork of HTTPServer by Henry Leinen

Files at this revision

API Documentation at this revision

Revision 2:8653bbcf7e58, committed 2013-05-26

Comitter:
leihen
Date:
Sun May 26 23:22:36 2013 +0000
Parent:
1:6b7472d5e9ee
Child:
3:d6224049b3bf
Commit message:
Optimized for RAM.

Changed in this revision

HTTPConnection.cpp Show annotated file Show diff for this revision Revisions of this file
HTTPConnection.h Show annotated file Show diff for this revision Revisions of this file
HTTPServer.cpp Show annotated file Show diff for this revision Revisions of this file
HTTPServer.h Show annotated file Show diff for this revision Revisions of this file 
--- a/HTTPConnection.cpp	Sun May 26 22:49:42 2013 +0000
+++ b/HTTPConnection.cpp	Sun May 26 23:22:36 2013 +0000
@@ -8,7 +8,7 @@
 
 using std::string;
 
-#if (0 && !defined(TARGET_LPC11U24))
+#if (1 && !defined(TARGET_LPC11U24))
 #define INFO(x, ...) std::printf("[HttpConnection : INFO]"x"\r\n", ##__VA_ARGS__);
 #define WARN(x, ...) std::printf("[HttpConnection : WARN]"x"\r\n", ##__VA_ARGS__);
 #define ERR(x, ...) std::printf("[HttpConnection : ERR]"x"\r\n", ##__VA_ARGS__);
@@ -39,7 +39,6 @@
 int HTTPConnection::poll()
 {
     static char buffer[256] = {};
-    static char echoHeader[256] = {};
 
     
     int rcvd= 0;
@@ -58,9 +57,8 @@
     if (rcvd == -1) {
         //  Invalid content received, so close the connection
         INFO("Invalid message received, so sending negative response and closing connection !");
-        sprintf(echoHeader,"HTTP/1.1 400 NOK\n\rContent-Length: %d\n\rContent-Type: text\n\rConnection: Close\n\r\n\r",strlen(buffer));
+        sprintf(buffer,"HTTP/1.1 400 NOK\n\rContent-Length: %d\n\rContent-Type: text\n\rConnection: Close\n\r\n\r",0);
         m_Tcp.set_blocking(true, 1500);
-        m_Tcp.send(echoHeader,strlen(echoHeader));
         m_Tcp.send(buffer,strlen(buffer));
         close();
         rcvd = -1;
@@ -85,17 +83,6 @@
             }
         }
     }             
-    if (rcvd == 0) {
-//        sprintf(echoHeader,"HTTP/1.1 200 OK\n\rContent-Length: %d\n\rContent-Type: text\n\rConnection: Close\n\r\n\r",strlen(buffer));
-//        m_Tcp.set_blocking(true);
-//        m_Tcp.send_all(echoHeader,strlen(echoHeader));
-//        m_Tcp.send_all(buffer,strlen(buffer));
-        
-        /// INSERT PRCESSING OF REQUESST HERE
-        /// END OF PROCESSING REQUEST
-        
-        //  Do not close the connection, it may be reused
-    }
     INFO("Leaving poll function!");
     return rcvd;
 }
@@ -147,7 +134,7 @@
     return i;    
 }
 
-int HTTPConnection::parse(const char* buffer)
+int HTTPConnection::parse(char* buffer)
 {
     if ((buffer == NULL) || (strlen(buffer) < 4)) {
         ERR("Buffer content is invalid or too short.");
@@ -159,14 +146,13 @@
     
     //  decompose string into a list of arguments
     char s = 0; // current starting char
-    static char buff[255] = {};
-    for (int i = 0 ; i < strlen(buffer)+1 ; i++) {
+    int nLen = strlen(buffer)+1;
+    for (int i = 0 ; i < nLen ; i++) {
         if ((buffer[i] == ' ') || (buffer[i] == '\n') || (buffer[i] == 0)) {
             // new arg found
-            strncpy(buff, &buffer[s], i-s);
-            buff[i-s] = 0;
-            INFO("Found argument \"%s\"", buff);
-            args.push_back(std::string(buff));
+            buffer[i] = 0;
+            INFO("Found argument \"%s\"", &buffer[s]);
+            args.push_back(&buffer[s]);
             s = i+1;
         }
     }

--- a/HTTPConnection.h	Sun May 26 22:49:42 2013 +0000
+++ b/HTTPConnection.h	Sun May 26 23:22:36 2013 +0000
@@ -62,7 +62,7 @@
         TCPSocketConnection m_Tcp;
         HTTPMessage m_Msg;
         
-        int parse(const char *buffer);
+        int parse(char *buffer);
         int parseHeader(const char *buffer);
         int receiveHeaders(const char* buffer, int nBuffSize);
         int receiveLine(char* szLine, int nMaxLen, int nTimeout = -1, char szLineTerm = '\n');

--- a/HTTPServer.cpp	Sun May 26 22:49:42 2013 +0000
+++ b/HTTPServer.cpp	Sun May 26 23:22:36 2013 +0000
@@ -16,13 +16,12 @@
 #define ERR(x, ...)
 #endif
 
-static const char* szMsgs = "No such file or folder.";
-
 HTTPServer::HTTPServer(Serial* pDbg)
 {
     m_pDbg = pDbg;
     m_pSvr = NULL;
     m_bServerListening = false;
+    m_pErrorHandler = StdErrorHandler;
 }
 
 HTTPServer::~HTTPServer()
@@ -34,6 +33,20 @@
     }
 }
 
+
+const char* szStdErrorPage = "<HTML><HEAD><META content=\"text/html\" http-equiv=Content-Type></HEAD><BODY><h1>Error 404</h1><P>This resource is not available<P></BODY></HTML>\r\n\r\n";
+
+void HTTPServer::StdErrorHandler(HTTPMessage& msg, TCPSocketConnection& tcp)
+{
+    char echoHeader[512];
+    
+    tcp.set_blocking(true, 1500);
+    sprintf(echoHeader,"HTTP/1.1 404 Fail\r\nContent-Length: %d\r\nContent-Type: text/html\r\nServer: mbed embedded\r\n\n\r",strlen(szStdErrorPage));
+    tcp.send(echoHeader, strlen(echoHeader));
+    tcp.send((char*)szStdErrorPage, strlen(szStdErrorPage));
+}
+
+
 int HTTPServer::start(int port)
 {
     // check if the start member was called already once
@@ -121,29 +134,14 @@
 
 void HTTPServer::HandleRequest(HTTPMessage& msg, TCPSocketConnection& tcp)
 {
-    static char echoHeader[256] = {};
-    static const char* szPage = {
-        "<HTML>\r\n"
-        "<HEAD>\r\n"
-        "<META content=\"text/html\" http-equiv=Content-Type>\r\n"
-        "</HEAD>\r\n"
-        "<BODY>\r\n"
-        "<h1>ERROR 404</h1>\r\n"
-        "<P>File not found<P>\r\n"
-        "</BODY>\r\n"
-        "</HTML>\r\n\r\n"};
-
     map<string, HTTPRequestHandlerFunction>::iterator it;
     
     it = m_pHandlers.find(msg.uri);
     
     if (it == m_pHandlers.end()) {
         //  There is no such handler, so return invalid
-        
-        tcp.set_blocking(true, 1500);
-        sprintf(echoHeader,"HTTP/1.1 404 Fail\r\nContent-Length: %d\r\nContent-Type: text/html\r\nServer: mbed embedded\r\nConnection: Close\r\n\r\n",strlen(szPage));
-        tcp.send(echoHeader,strlen(echoHeader));
-        tcp.send((char*)szPage,strlen(szMsgs));
+
+        m_pErrorHandler(msg, tcp);        
         INFO("Webrequest left unhandled.");
     }
     else {

--- a/HTTPServer.h	Sun May 26 22:49:42 2013 +0000
+++ b/HTTPServer.h	Sun May 26 23:22:36 2013 +0000
@@ -52,7 +52,9 @@
         
         void addHandler(const char* path, HTTPRequestHandlerFunction hdlFunc)
         { m_pHandlers[path] = hdlFunc; }
-        
+    
+        void addErrorHandler(HTTPRequestHandlerFunction hdlFunc)
+        { m_pErrorHandler = hdlFunc!=NULL ?hdlFunc : StdErrorHandler; }    
         ///Starts listening
         /**
         Binds server to a specific port and starts listening. This member prepares the internal variables and the server socket
@@ -70,6 +72,8 @@
   
 private:    
 
+    static void StdErrorHandler(HTTPMessage&, TCPSocketConnection&);
+    
     TCPSocketServer* m_pSvr;
     bool    m_bServerListening;
         
@@ -77,6 +81,8 @@
     void HandleRequest(HTTPMessage& con, TCPSocketConnection&);
 
     map<string, HTTPRequestHandlerFunction> m_pHandlers;
+    HTTPRequestHandlerFunction m_pErrorHandler;
+    
  };
  
  #endif //__HTTPSERVER_H__
\ No newline at end of file