1 files changed, 140 insertions, 0 deletions
diff --git a/src/sbsessions.h b/src/sbsessions.h
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+++ b/src/sbsessions.h
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+/*
+ * sbsessions.h
+ * 
+ * SB session management (but not the protocol nor UI)
+ *
+ * (c) 2002-2005 Thomas White <taw27@srcf.ucam.org>
+ *  Part of TuxMessenger - GTK+-based MSN Messenger client
+ *
+ * This package 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; version 2 dated June, 1991. 
+ *
+ * This package 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 package; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+ * 02111-1307, USA. 
+ *
+ */
+
+#ifndef SBSESSIONS_H
+#define SBSESSIONS_H
+
+#include <gtk/gtk.h>
+
+typedef enum {
+	SESSION_SOURCE_LOCAL,	/* Session was initiated by the user clicking on a contact. */
+	SESSION_SOURCE_REMOTE	/* Session was initiated by an RNG message from Outside. */
+} SbSessionSource;
+
+typedef enum {
+	SBCONMODE_LINE,		/* Normal, line-based, communication. */
+	SBCONMODE_MSG		/* A message is coming through. */
+} SbConMode;
+
+typedef struct _sbuser {		/* No data is here that's already held by src/contactlist.c, except the username. */
+
+	struct _sbuser *next;
+	
+	char *username;
+	
+	char *dpsha1d;			/* SHA1D field from their picture as it appears in the IM window. */
+		
+} SbUser;
+
+/* Data structure to hold information while reconstructing a multipacketed message. */
+typedef struct _multipacketmsg {
+
+	struct _multipacketmsg *next;
+	struct _multipacketmsg *previous;
+
+	char *message_id;
+	int chunks_expected;
+	int chunks_received;
+	char *data;
+	size_t datalength;
+
+} MultiPacketMsg;
+
+typedef struct _cachedmsg {
+
+	struct _cachedmsg *next;
+	char *message;
+	size_t length;
+
+} CachedMsg;
+
+typedef struct _sbsession {
+
+	struct _sbsession *next;
+	
+	/* List of Users */
+	SbUser *users;			/* List of people in the session. */
+	unsigned int num_users;		/* Number of remote users in this session. Session destroyed if this = zero. */
+
+	/* User interface stuff */
+	struct _messagewindow *messagewindow;
+
+	/* High-level protocol stuff */
+	int ready;			/* Non-zero if session is up and running. */
+	gint ready_timeout;		/* Callback tag to timeout session if it doesn't connect. */
+	unsigned int neg_trid;		/* TrID used in negotiating this session. */
+	unsigned int trid;		/* TrID used in communicating on the SB (don't confuse with neg_trid) */
+	int socket;			/* Socket to the switchboard. */
+	SbSessionSource source;		/* Where the session was started from. */
+	char *cki_key;			/* Authentication data for negotiating the session. */
+	char *sessionid;		/* SessionID (part of authentication to the SB) */
+	int first_event;		/* Non-zero if message window currently contains no text */
+	char *msg_source;		/* Who the MSG currently being dealt with came from */
+	int am_typing;			/* Non-zero if the local user is currently "thought to be typing". */
+	int am_typing_callback;		/* Callback tag for the end of each typing period for the local user. */
+	char *threeway_intent;		/* Extra user to invite when ready (if any). */
+	MultiPacketMsg *multipackets;	/* Linked list of multipacketing records. */
+	CachedMsg *cached;		/* Cached messages to send when session is ready. */
+	
+	/* Low-level protocol stuff */
+	int wcallback;			/* Writeable callback */
+	char *wbuffer;			/* Write buffer */
+	unsigned int wbufsize;		/* Write buffer size */
+	unsigned int woffset;		/* Write buffer position */
+	int rcallback;			/* Readable callback */
+	char *rbuffer;			/* Read buffer */
+	unsigned int rbufsize;		/* Read buffer size */
+	unsigned int roffset;		/* Read buffer position */
+	SbConMode conmode;		/* What's coming through the socket at the moment */
+	unsigned int expect_length;	/* Expected length of (eg) a MSG */
+	
+} SbSession;
+
+#include "messagewindow.h"
+
+/* Operations on SB sessions. */
+extern SbSession *sbsessions_create_local(const char *username);
+extern SbSession *sbsessions_create_remote(char *username, char *switchboardaddress, char *sessionid, char *authchallenge);
+extern SbSession *sbsessions_create_threeway(char *username1, char *username2);
+extern void sbsessions_destroy(SbSession *session);
+extern void sbsessions_plug(SbSession *session, struct _messagewindow *messagewindow);
+extern void sbsessions_unplug(struct _messagewindow *messagewindow);
+extern SbSession *sbsessions_find_trid(unsigned int trid);
+extern SbSession *sbsessions_find_headless(const char *username);
+extern SbSession *sbsessions_find_single_safe(const char *username);
+extern int sbsessions_sessionready(SbSession *session);
+
+/* Operations on the local user in SB sessions. */
+extern void sbsessions_am_typing(SbSession *session);
+
+/* Operations on other users in SB sessions. */
+extern void sbsessions_joined(SbSession *session, char *username, char *friendlyname);
+extern void sbsessions_left(SbSession *session, char *username);
+extern SbUser *sbsessions_find_username(SbSession *session, const char *username);
+extern int sbsessions_stoptyping(SbUser *user);
+
+/* Other stuff. */
+extern void sbsessions_destroy_all();
+
+#endif	/* SBSESSIONS_H */