summaryrefslogtreecommitdiff
path: root/miranda-wine/protocols/MSN/msn_msgqueue.cpp
blob: 9fc9458388157e97982d6e603439809a8bc79c2b (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
/*
Plugin of Miranda IM for communicating with users of the MSN Messenger protocol.
Copyright (c) 2003-5 George Hazan.
Copyright (c) 2002-3 Richard Hughes (original version).

Miranda IM: the free icq client for MS Windows
Copyright (C) 2000-2002 Richard Hughes, Roland Rabien & Tristan Van de Vreede

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., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
*/

#include "msn_global.h"

//a few little functions to manage queuing send message requests until the
//connection is established

static MsgQueueEntry* msgQueue;
static int msgQueueCount;
static CRITICAL_SECTION csMsgQueue;
static int msgQueueSeq;

void MsgQueue_Init( void )
{
	msgQueueCount = 0;
	msgQueue = NULL;
	msgQueueSeq = 1;
	InitializeCriticalSection( &csMsgQueue );
}

void MsgQueue_Uninit( void )
{
	MsgQueue_Clear( NULL );
	DeleteCriticalSection( &csMsgQueue );
}

int __stdcall MsgQueue_Add( HANDLE hContact, int msgType, const char* msg, int msgSize, filetransfer* ft, int flags )
{
	EnterCriticalSection( &csMsgQueue );
	msgQueue = ( MsgQueueEntry* )realloc( msgQueue, sizeof( MsgQueueEntry )*( msgQueueCount+1 ));

	int seq = msgQueueSeq++;

	MsgQueueEntry& E = msgQueue[ msgQueueCount++ ];
	E.hContact = hContact;
	E.msgSize = msgSize;
	E.msgType = msgType;
	if ( msgSize <= 0 )
		E.message = strdup( msg );
	else
		memcpy( E.message = ( char* )malloc( msgSize ), msg, msgSize );
	E.ft = ft;
	E.seq = seq;
	E.flags = flags;
	E.allocatedToThread = 0;
	E.timeout = DBGetContactSettingDword(NULL, "SRMM", "MessageTimeout", 10000)/1000;

	LeaveCriticalSection( &csMsgQueue );
	return seq;
}

// shall we create another session?
HANDLE __stdcall MsgQueue_CheckContact( HANDLE hContact )
{
	EnterCriticalSection( &csMsgQueue );

	HANDLE ret = NULL;
	for( int i=0; i < msgQueueCount; i++ )
	{
		if ( msgQueue[ i ].hContact == hContact )
		{	ret = hContact;
			break;
	}	}

	LeaveCriticalSection( &csMsgQueue );
	return ret;
}

//for threads to determine who they should connect to
HANDLE __stdcall MsgQueue_GetNextRecipient(void)
{
	EnterCriticalSection( &csMsgQueue );

	HANDLE ret = NULL;
	for( int i=0; i < msgQueueCount; i++ )
	{
		MsgQueueEntry& E = msgQueue[ i ];
		if ( !E.allocatedToThread )
		{
			E.allocatedToThread = 1;
			ret = E.hContact;

			while( ++i < msgQueueCount )
				if ( msgQueue[i].hContact == ret )
					msgQueue[i].allocatedToThread = 1;

			break;
	}	}

	LeaveCriticalSection( &csMsgQueue );
	return ret;
}

//deletes from list. Must free() return value
int __stdcall MsgQueue_GetNext( HANDLE hContact, MsgQueueEntry& retVal )
{
	int i;

	EnterCriticalSection( &csMsgQueue );
	for( i=0; i < msgQueueCount; i++ )
		if ( msgQueue[ i ].hContact == hContact )
			break;

	if ( i == msgQueueCount )
	{	LeaveCriticalSection(&csMsgQueue);
		return 0;
	}

	retVal = msgQueue[ i ];

	msgQueueCount--;
	memmove( msgQueue+i, msgQueue+i+1, sizeof( MsgQueueEntry )*( msgQueueCount-i ));
	msgQueue = ( MsgQueueEntry* )realloc( msgQueue, sizeof( MsgQueueEntry )*msgQueueCount );
	LeaveCriticalSection( &csMsgQueue );
	return i+1;
}

void __stdcall MsgQueue_Clear( HANDLE hContact )
{
	int i;

	if (hContact == NULL)
	{
		EnterCriticalSection( &csMsgQueue );

		for( i=0; i < msgQueueCount; i++ )
			free ( msgQueue[ i ].message );
		free( msgQueue );

		msgQueueCount = 0;
		msgQueue = NULL;
		msgQueueSeq = 1;
		LeaveCriticalSection( &csMsgQueue );
	}
	else
	{
		MsgQueueEntry E;
		while (MsgQueue_GetNext(hContact, E) != 0)
			free( E.message );
	}
}