1 files changed, 154 insertions, 0 deletions
diff --git a/src/daemon/session.h b/src/daemon/session.h
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+/*
+     This file is part of libmicrohttpd
+     (C) 2007 Daniel Pittman
+
+     libmicrohttpd is free software; you can redistribute it and/or modify
+     it under the terms of the GNU General Public License as published
+     by the Free Software Foundation; either version 2, or (at your
+     option) any later version.
+
+     libmicrohttpd is distributed in the hope that it will be useful, but
+     WITHOUT ANY WARRANTY; without even the implied warranty of
+     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+     General Public License for more details.
+
+     You should have received a copy of the GNU General Public License
+     along with libmicrohttpd; see the file COPYING.  If not, write to the
+     Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+     Boston, MA 02111-1307, USA.
+*/
+
+/**
+ * @file session.h
+ * @brief  Methods for managing sessions
+ * @author Daniel Pittman
+ * @author Christian Grothoff
+ * @version 0.1.0
+ */
+
+#ifndef SESSION_H
+#define SESSION_H
+
+
+struct MHD_Session {
+  struct MHD_Session * next;
+
+  struct MHD_Daemon * daemon;
+
+  struct MHD_HTTP_Header * headers_received;
+  
+  struct MHD_Response * response;
+
+  char * requestType;
+
+  /**
+   * Buffer for reading requests.
+   */
+  void * read_buffer;
+
+  /**
+   * Buffer for writing response.
+   */
+  void * write_buffer;
+
+  /**
+   * Foreign address (of length addr_len).
+   */
+  struct sockaddr_in * addr;
+
+  /**
+   * Thread for this session (if we are using
+   * one thread per connection).
+   */
+  pthread_t pid;
+
+  size_t read_buffer_size;
+
+  size_t readLoc;
+
+  size_t write_buffer_size;
+
+  size_t writeLoc;
+
+  /**
+   * Current write position in the actual response
+   * (excluding headers, content only; should be 0
+   * while sending headers).
+   */
+  size_t messagePos;
+
+  /**
+   * Length of the foreign address.
+   */
+  socklen_t addr_len;
+
+  /**
+   * Socket for this connection.  Set to -1 if
+   * this connection has died (daemon should clean
+   * up in that case).
+   */
+  int socket_fd;
+  
+  /**
+   * Have we finished receiving all of the headers yet?
+   * Set to 1 once we are done processing all of the
+   * headers.  Note that due to pipelining, it is
+   * possible that the NEXT request is already 
+   * (partially) waiting in the read buffer.
+   */
+  int headersReceived;
+
+  /**
+   * Have we finished receiving the data from a
+   * potential file-upload? 
+   */
+  int bodyReceived;
+
+  /**
+   * Have we finished sending all of the headers yet?
+   */
+  int headersSent;
+
+  /**
+   * HTTP response code.  Only valid if response object
+   * is already set.
+   */
+  unsigned int responseCode;
+
+};
+
+
+/**
+ * Obtain the select sets for this session.
+ *
+ * @return MHD_YES on success
+ */
+int 
+MHD_session_get_fdset(struct MHD_Session * session,
+		      fd_set * read_fd_set,
+		      fd_set * write_fd_set,
+		      fd_set * except_fd_set,
+		      int * max_fd);
+
+
+/**
+ * This function handles a particular connection when it has been
+ * determined that there is data to be read off a socket. All implementations
+ * (multithreaded, external select, internal select) call this function
+ * to handle reads. 
+ */
+int
+MHD_session_handle_read(struct MHD_Session * session);
+  
+
+/**
+ * This function was created to handle writes to sockets when it has been
+ * determined that the socket can be written to. If there is no data
+ * to be written, however, the function call does nothing. All implementations
+ * (multithreaded, external select, internal select) call this function
+ */
+int
+MHD_session_handle_write(struct MHD_Session * session);
+
+
+#endif