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
163
164
165
166
167
168
169
170
171
172
173
|
#include "Asynch_Queued_Message.h"
#include "debug.h"
#include "ace/Malloc_T.h"
#include "ace/Log_Msg.h"
#include "ace/Message_Block.h"
ACE_RCSID (tao,
Asynch_Queued_Message,
"$Id$")
TAO_Asynch_Queued_Message::
TAO_Asynch_Queued_Message (const ACE_Message_Block *contents,
ACE_Allocator *alloc,
int is_heap_allocated)
: TAO_Queued_Message (alloc, is_heap_allocated)
, offset_ (0)
{
this->size_ = contents->total_length ();
// @@ Use a pool for these guys!!
ACE_NEW (this->buffer_, char[this->size_]);
size_t copy_offset = 0;
for (const ACE_Message_Block *i = contents;
i != 0;
i = i->cont ())
{
ACE_OS::memcpy (this->buffer_ + copy_offset,
i->rd_ptr (),
i->length ());
copy_offset += i->length ();
}
}
TAO_Asynch_Queued_Message::TAO_Asynch_Queued_Message (char *buf,
size_t size,
ACE_Allocator *alloc)
: TAO_Queued_Message (alloc)
, size_ (size)
, offset_ (0)
, buffer_ (buf)
{
}
TAO_Asynch_Queued_Message::~TAO_Asynch_Queued_Message (void)
{
// @@ Use a pool for these guys!
delete[] this->buffer_;
}
size_t
TAO_Asynch_Queued_Message::message_length (void) const
{
return this->size_ - this->offset_;
}
int
TAO_Asynch_Queued_Message::all_data_sent (void) const
{
return this->size_ == this->offset_;
}
void
TAO_Asynch_Queued_Message::fill_iov (int iovcnt_max,
int &iovcnt,
iovec iov[]) const
{
ACE_ASSERT (iovcnt_max > iovcnt);
ACE_UNUSED_ARG (iovcnt_max); // not used if ACE_ASSERT() is empty
iov[iovcnt].iov_base = this->buffer_ + this->offset_;
iov[iovcnt].iov_len = this->size_ - this->offset_;
iovcnt++;
}
void
TAO_Asynch_Queued_Message::bytes_transferred (size_t &byte_count)
{
this->state_changed_i (TAO_LF_Event::LFS_ACTIVE);
size_t remaining_bytes = this->size_ - this->offset_;
if (byte_count > remaining_bytes)
{
this->offset_ = this->size_;
byte_count -= remaining_bytes;
return;
}
this->offset_ += byte_count;
byte_count = 0;
if (this->all_data_sent ())
this->state_changed (TAO_LF_Event::LFS_SUCCESS);
}
TAO_Queued_Message *
TAO_Asynch_Queued_Message::clone (ACE_Allocator *alloc)
{
char *buf = 0;
// @@todo: Need to use a memory pool. But certain things need to
// change a bit in this class for that. Till then.
// Just allocate and copy data that needs to be sent, no point
// copying the whole buffer.
size_t sz = this->size_ - this->offset_;
ACE_NEW_RETURN (buf,
char[sz],
0);
ACE_OS::memcpy (buf,
this->buffer_ + this->offset_,
sz);
TAO_Asynch_Queued_Message *qm = 0;
if (alloc)
{
ACE_NEW_MALLOC_RETURN (qm,
ACE_static_cast (TAO_Asynch_Queued_Message *,
alloc->malloc (sizeof (TAO_Asynch_Queued_Message))),
TAO_Asynch_Queued_Message (buf,
sz,
alloc),
0);
}
else
{
// No allocator, so use the common heap!
if (TAO_debug_level == 4)
{
// This debug is for testing purposes!
ACE_DEBUG ((LM_DEBUG,
"TAO (%P|%t) - Asynch_Queued_Message::clone\n",
"Using global pool for allocation \n"));
}
ACE_NEW_RETURN (qm,
TAO_Asynch_Queued_Message (buf,
sz),
0);
}
// Set the flag to indicate that <qm> is created on the heap.
if (qm)
qm->is_heap_created_ = 1;
return qm;
}
void
TAO_Asynch_Queued_Message::destroy (void)
{
if (this->is_heap_created_)
{
// If we have an allocator release the memory to the allocator
// pool.
if (this->allocator_)
{
ACE_DES_FREE (this,
this->allocator_->free,
TAO_Asynch_Queued_Message);
}
else // global release..
{
delete this;
}
}
}
|
