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authorAndrei Karas <akaras@inbox.ru>2011-01-02 01:48:38 +0200
committerAndrei Karas <akaras@inbox.ru>2011-01-02 02:41:24 +0200
commit3eeae12c498d1a4dbe969462d2ba841f77ee3ccb (patch)
treeff8eab35e732bc0749fc11677c8873a7b3a58704 /src/net/messageout.h
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Initial commit.
This code based on mana client http://www.gitorious.org/mana/mana and my private repository.
Diffstat (limited to 'src/net/messageout.h')
-rw-r--r--src/net/messageout.h91
1 files changed, 91 insertions, 0 deletions
diff --git a/src/net/messageout.h b/src/net/messageout.h
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+/*
+ * The Mana Client
+ * Copyright (C) 2004-2009 The Mana World Development Team
+ * Copyright (C) 2009-2010 The Mana Developers
+ *
+ * This file is part of The Mana Client.
+ *
+ * This program 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 of the License, or
+ * any later version.
+ *
+ * This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef NET_MESSAGEOUT_H
+#define NET_MESSAGEOUT_H
+
+#include <SDL_types.h>
+
+#include <iosfwd>
+
+#ifdef __GNUC__
+#define _UNUSED_ __attribute__ ((unused))
+#else
+#define _UNUSED_
+#endif
+
+namespace Net
+{
+
+/**
+ * Used for building an outgoing message.
+ *
+ * \ingroup Network
+ */
+class MessageOut
+{
+ public:
+ virtual void writeInt8(Sint8 value); /**< Writes a byte. */
+ virtual void writeInt16(Sint16 value) = 0; /**< Writes a short. */
+ virtual void writeInt32(Sint32 value) = 0; /**< Writes a long. */
+
+ /**
+ * Writes a string. If a fixed length is not given (-1), it is stored
+ * as a short at the start of the string.
+ */
+ virtual void writeString(const std::string &string, int length = -1);
+
+ /**
+ * Returns the content of the message.
+ */
+ virtual char *getData() const;
+
+ /**
+ * Returns the length of the data.
+ */
+ virtual unsigned int getDataSize() const;
+
+ virtual ~MessageOut()
+ { }
+
+ protected:
+ /**
+ * Constructor.
+ */
+ MessageOut(short id);
+
+ /**
+ * Expand the packet data to be able to hold more data.
+ *
+ * NOTE: For performance enhancements this method could allocate extra
+ * memory in advance instead of expanding size every time more data is
+ * added.
+ */
+ virtual void expand(size_t size) = 0;
+
+ char *mData; /**< Data building up. */
+ unsigned int mDataSize; /**< Size of data. */
+ unsigned int mPos; /**< Position in the data. */
+};
+
+}
+
+#endif // NET_MESSAGEOUT_H