diff options
Diffstat (limited to 'source/HTTPServer/HTTPConnection.h')
-rw-r--r-- | source/HTTPServer/HTTPConnection.h | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/source/HTTPServer/HTTPConnection.h b/source/HTTPServer/HTTPConnection.h new file mode 100644 index 000000000..941a29000 --- /dev/null +++ b/source/HTTPServer/HTTPConnection.h @@ -0,0 +1,97 @@ + +// HTTPConnection.h + +// Declares the cHTTPConnection class representing a single persistent connection in the HTTP server. + + + + + +#pragma once + +#include "../OSSupport/SocketThreads.h" + + + + + +// fwd: +class cHTTPServer; +class cHTTPResponse; +class cHTTPRequest; + + + + + +class cHTTPConnection : + public cSocketThreads::cCallback +{ +public: + + enum eState + { + wcsRecvHeaders, ///< Receiving request headers (m_CurrentRequest is created if NULL) + wcsRecvBody, ///< Receiving request body (m_CurrentRequest is valid) + wcsRecvIdle, ///< Has received the entire body, waiting to send the response (m_CurrentRequest == NULL) + wcsSendingResp, ///< Sending response body (m_CurrentRequest == NULL) + wcsInvalid, ///< The request was malformed, the connection is closing + } ; + + cHTTPConnection(cHTTPServer & a_HTTPServer); + + /// Sends HTTP status code together with a_Reason (used for HTTP errors) + void SendStatusAndReason(int a_StatusCode, const AString & a_Reason); + + /// Sends the "401 unauthorized" reply together with instructions on authorizing, using the specified realm + void SendNeedAuth(const AString & a_Realm); + + /// Sends the headers contained in a_Response + void Send(const cHTTPResponse & a_Response); + + /// Sends the data as the response (may be called multiple times) + void Send(const void * a_Data, int a_Size); + + /// Sends the data as the response (may be called multiple times) + void Send(const AString & a_Data) { Send(a_Data.data(), a_Data.size()); } + + /// Indicates that the current response is finished, gets ready for receiving another request (HTTP 1.1 keepalive) + void FinishResponse(void); + + /// Resets the connection for a new request. Depending on the state, this will send an "InternalServerError" status or a "ResponseEnd" + void AwaitNextRequest(void); + +protected: + typedef std::map<AString, AString> cNameValueMap; + + /// The parent webserver that is to be notified of events on this connection + cHTTPServer & m_HTTPServer; + + /// All the incoming data until the entire request header is parsed + AString m_IncomingHeaderData; + + /// Status in which the request currently is + eState m_State; + + /// Data that is queued for sending, once the socket becomes writable + AString m_OutgoingData; + + /// The request being currently received (valid only between having parsed the headers and finishing receiving the body) + cHTTPRequest * m_CurrentRequest; + + /// Number of bytes that remain to read for the complete body of the message to be received. Valid only in wcsRecvBody + int m_CurrentRequestBodyRemaining; + + + // cSocketThreads::cCallback overrides: + virtual void DataReceived (const char * a_Data, int a_Size) override; // Data is received from the client + virtual void GetOutgoingData(AString & a_Data) override; // Data can be sent to client + virtual void SocketClosed (void) override; // The socket has been closed for any reason +} ; + +typedef std::vector<cHTTPConnection *> cHTTPConnections; + + + + + |