--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/libpurple/protocols/mxit/chunk.h Sun Nov 08 23:55:56 2009 +0000
@@ -0,0 +1,140 @@
+/*
+ * MXit Protocol libPurple Plugin
+ *
+ * -- handle chunked data (multimedia messages) --
+ *
+ * Pieter Loubser <libpurple@mxit.com>
+ *
+ * (C) Copyright 2009 MXit Lifestyle (Pty) Ltd.
+ * <http://www.mxitlifestyle.com>
+ *
+ * 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
+ * (at your option) 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, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111-1301 USA
+ */
+
+#ifndef _MXIT_CHUNK_H_
+#define _MXIT_CHUNK_H_
+
+
+#include "roster.h"
+
+
+#define MXIT_CHUNK_FILEID_LEN 8 /* bytes */
+
+/* Multimedia chunk types */
+#define CP_CHUNK_NONE 0x00 /* (0) no chunk */
+#define CP_CHUNK_CUSTOM 0x01 /* (1) custom resource */
+#define CP_CHUNK_SPLASH 0x02 /* (2) splash image */
+#define CP_CHUNK_CLICK 0x03 /* (3) splash click through */
+#define CP_CHUNK_OFFER 0x06 /* (6) offer file */
+#define CP_CHUNK_REJECT 0x07 /* (7) reject file */
+#define CP_CHUNK_GET 0x08 /* (8) get file */
+#define CP_CHUNK_RECIEVED 0x09 /* (9) received file */
+#define CP_CHUNK_DIRECT_SND 0x0A /* (10) send file direct */
+#define CP_CHUNK_DIRECT_FWD 0x0B /* (11) forward file direct */
+#define CP_CHUNK_SKIN 0x0C /* (12) MXit client skin */
+#define CP_CHUNK_SET_AVATAR 0x0D /* (13) set avatar */
+#define CP_CHUNK_GET_AVATAR 0x0E /* (14) get avatar */
+#define CP_CHUNK_END 0x7E /* (126) end */
+#define CP_CHUNK_EXT 0x7F /* (127) extended type */
+
+
+/* Custom Resource operations */
+#define CR_OP_UPDATE 0
+#define CR_OP_REMOVE 1
+
+/* File Received status */
+#define RECV_STATUS_SUCCESS 0
+#define RECV_STATUS_PARSE_FAIL 1
+#define RECV_STATUS_CANNOT_OPEN 8
+#define RECV_STATUS_BAD_CRC 9
+#define RECV_STATUS_BAD_ID 10
+
+/* File Reject status */
+#define REJECT_BY_USER 1
+#define REJECT_FILETYPE 2
+#define REJECT_NO_RESOURCES 3
+#define REJECT_BAD_RECIPIENT 4
+
+/*
+ * a Chunk header
+ */
+struct raw_chunk {
+ guint8 type;
+ guint32 length;
+ gchar data[0];
+} __attribute__ ((packed));
+
+struct offerfile_chunk {
+ char fileid[MXIT_CHUNK_FILEID_LEN];
+ char username[MXIT_CP_MAX_JID_LEN + 1];
+ int filesize;
+ char filename[FILENAME_MAX];
+};
+
+struct getfile_chunk {
+ char fileid[MXIT_CHUNK_FILEID_LEN];
+ int offset;
+ int length;
+ int crc;
+ char* data;
+};
+
+struct cr_chunk {
+ char id[64];
+ char handle[64];
+ char operation;
+ GList* resources;
+};
+
+struct splash_chunk {
+ char anchor;
+ char showtime;
+ int bgcolor;
+ char* data;
+ int datalen;
+};
+
+struct splash_click_chunk {
+ char reserved[1];
+};
+
+struct getavatar_chunk {
+ char mxitid[50];
+ char avatarid[64];
+ char format[16];
+ char bitdepth;
+ int crc;
+ int width;
+ int height;
+ int length;
+ char* data;
+};
+
+/* Encode chunk */
+int mxit_chunk_create_senddirect( char* chunkdata, const char* username, const char* filename, const unsigned char* data, int datalen );
+int mxit_chunk_create_reject( char* chunkdata, const char* fileid );
+int mxit_chunk_create_get( char* chunkdata, const char* fileid, int filesize, int offset );
+int mxit_chunk_create_received( char* chunkdata, const char* fileid, unsigned char status );
+int mxit_chunk_create_set_avatar( char* chunkdata, const unsigned char* data, int datalen );
+int mxit_chunk_create_get_avatar( char* chunkdata, const char* mxitId, const char* avatarId, unsigned int imgsize );
+
+/* Decode chunk */
+void mxit_chunk_parse_offer( char* chunkdata, int datalen, struct offerfile_chunk* offer );
+void mxit_chunk_parse_get( char* chunkdata, int datalen, struct getfile_chunk* getfile );
+void mxit_chunk_parse_cr( char* chunkdata, int datalen, struct cr_chunk* cr );
+void mxit_chunk_parse_get_avatar( char* chunkdata, int datalen, struct getavatar_chunk* avatar );
+
+#endif /* _MXIT_CHUNK_H_ */
+