ReactOS 0.4.15-dev-8127-g6338913
handle.c
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1/*
2 * Copyright 2008 Hans Leidekker for CodeWeavers
3 *
4 * Based on the handle implementation from wininet.
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
10 *
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
19 */
20
21#include "config.h"
22#include "ws2tcpip.h"
23#include <stdarg.h>
24
25#include "windef.h"
26#include "winbase.h"
27#include "winhttp.h"
28
29#include "wine/debug.h"
30#include "winhttp_private.h"
31
33
34#define HANDLE_CHUNK_SIZE 0x10
35
38{
39 0, 0, &handle_cs,
41 0, 0, { (ULONG_PTR)(__FILE__ ": handle_cs") }
42};
43static CRITICAL_SECTION handle_cs = { &handle_cs_debug, -1, 0, 0, 0, 0 };
44
45static struct object_header **handles;
48
50{
52 TRACE("%p -> refcount = %d\n", hdr, refs);
53 return hdr;
54}
55
57{
58 struct object_header *hdr = NULL;
59 ULONG_PTR handle = (ULONG_PTR)hinternet;
60
62
63 if ((handle > 0) && (handle <= max_handles) && handles[handle - 1])
65
67
68 TRACE("handle 0x%lx -> %p\n", handle, hdr);
69 return hdr;
70}
71
73{
75 TRACE("object %p refcount = %d\n", hdr, refs);
76 if (!refs)
77 {
79
81
82 TRACE("destroying object %p\n", hdr);
83 if (hdr->type != WINHTTP_HANDLE_TYPE_SESSION) list_remove( &hdr->entry );
84 hdr->vtbl->destroy( hdr );
85 }
86}
87
89{
90 struct object_header **p;
92
93 list_init( &hdr->children );
94 hdr->handle = NULL;
95
97 if (!max_handles)
98 {
100 if (!(p = heap_alloc_zero( sizeof(ULONG_PTR) * num ))) goto end;
101 handles = p;
103 }
105 {
106 num = max_handles * 2;
107 if (!(p = heap_realloc_zero( handles, sizeof(ULONG_PTR) * num ))) goto end;
108 handles = p;
110 }
112 if (handles[handle]) ERR("handle isn't free but should be\n");
113
115 hdr->handle = (HINTERNET)(handle + 1);
117
118end:
120 return hdr->handle;
121}
122
124{
125 BOOL ret = FALSE;
126 ULONG_PTR handle = (ULONG_PTR)hinternet;
127 struct object_header *hdr = NULL, *child, *next;
128
130
131 if ((handle > 0) && (handle <= max_handles))
132 {
133 handle--;
134 if (handles[handle])
135 {
136 hdr = handles[handle];
137 TRACE("destroying handle 0x%lx for object %p\n", handle + 1, hdr);
139 ret = TRUE;
140 }
141 }
142
144
145 if (hdr)
146 {
148 {
149 TRACE("freeing child handle %p for parent handle 0x%lx\n", child->handle, handle + 1);
150 free_handle( child->handle );
151 }
153 }
154
158
159 return ret;
160}
#define InterlockedIncrement
Definition: armddk.h:53
#define InterlockedDecrement
Definition: armddk.h:52
#define WINE_DEFAULT_DEBUG_CHANNEL(t)
Definition: precomp.h:23
static void list_remove(struct list_entry *entry)
Definition: list.h:90
static void list_init(struct list_entry *head)
Definition: list.h:51
#define ERR(fmt,...)
Definition: debug.h:113
#define NULL
Definition: types.h:112
#define TRUE
Definition: types.h:120
#define FALSE
Definition: types.h:117
static BOOL alloc_handle(struct handle_table *lpTable, OBJECTHDR *lpObject, HCRYPTKEY *lpHandle)
Definition: handle.c:183
static CRITICAL_SECTION_DEBUG handle_cs_debug
Definition: handle.c:37
BOOL free_handle(HINTERNET hinternet)
Definition: handle.c:123
static CRITICAL_SECTION handle_cs
Definition: handle.c:36
struct object_header * grab_object(HINTERNET hinternet)
Definition: handle.c:56
#define HANDLE_CHUNK_SIZE
Definition: handle.c:34
static struct object_header ** handles
Definition: handle.c:45
static ULONG_PTR max_handles
Definition: handle.c:47
void release_object(struct object_header *hdr)
Definition: handle.c:72
struct object_header * addref_object(struct object_header *hdr)
Definition: handle.c:49
static ULONG_PTR next_handle
Definition: handle.c:46
void send_callback(struct object_header *hdr, DWORD status, void *info, DWORD buflen)
Definition: session.c:55
#define ULONG_PTR
Definition: config.h:101
unsigned int BOOL
Definition: ntddk_ex.h:94
GLuint GLuint end
Definition: gl.h:1545
GLfloat GLfloat p
Definition: glext.h:8902
GLuint GLuint num
Definition: glext.h:9618
char hdr[14]
Definition: iptest.cpp:33
uint32_t entry
Definition: isohybrid.c:63
static HWND child
Definition: cursoricon.c:298
static void close_connection(void)
Definition: http.c:5576
static unsigned __int64 next
Definition: rand_nt.c:6
#define LIST_FOR_EACH_ENTRY_SAFE(cursor, cursor2, list, type, field)
Definition: list.h:204
#define TRACE(s)
Definition: solgame.cpp:4
LIST_ENTRY ProcessLocksList
Definition: winbase.h:883
HINTERNET handle
Definition: tftpd.h:86
uint32_t ULONG_PTR
Definition: typedefs.h:65
uint32_t ULONG
Definition: typedefs.h:59
int ret
void WINAPI LeaveCriticalSection(LPCRITICAL_SECTION)
void WINAPI EnterCriticalSection(LPCRITICAL_SECTION)
#define WINHTTP_HANDLE_TYPE_REQUEST
Definition: winhttp.h:432
LPVOID HINTERNET
Definition: winhttp.h:32
#define WINHTTP_HANDLE_TYPE_SESSION
Definition: winhttp.h:430
#define WINHTTP_CALLBACK_STATUS_HANDLE_CLOSING
Definition: winhttp.h:391