summaryrefslogtreecommitdiff
path: root/lib/tsocket/tsocket_internal.h
blob: 154b2ce6f890c66b0cdc6643f1bdabfdd5447dbe (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
/*
   Unix SMB/CIFS implementation.

   Copyright (C) Stefan Metzmacher 2009

     ** NOTE! The following LGPL license applies to the tsocket
     ** library. This does NOT imply that all of Samba is released
     ** under the LGPL

   This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 3 of the License, or (at your option) any later version.

   This library 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
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public
   License along with this library; if not, see <http://www.gnu.org/licenses/>.
*/

#ifndef _TSOCKET_INTERNAL_H
#define _TSOCKET_INTERNAL_H

#include <unistd.h>
#include <sys/uio.h>

struct tsocket_address_ops {
	const char *name;

	char *(*string)(const struct tsocket_address *addr,
			TALLOC_CTX *mem_ctx);

	struct tsocket_address *(*copy)(const struct tsocket_address *addr,
					TALLOC_CTX *mem_ctx,
					const char *location);
};

struct tsocket_address {
	const char *location;
	const struct tsocket_address_ops *ops;

	void *private_data;
};

struct tsocket_address *_tsocket_address_create(TALLOC_CTX *mem_ctx,
					const struct tsocket_address_ops *ops,
					void *pstate,
					size_t psize,
					const char *type,
					const char *location);
#define tsocket_address_create(mem_ctx, ops, state, type, location) \
	_tsocket_address_create(mem_ctx, ops, state, sizeof(type), \
				#type, location)

struct tdgram_context_ops {
	const char *name;

	struct tevent_req *(*recvfrom_send)(TALLOC_CTX *mem_ctx,
					    struct tevent_context *ev,
					    struct tdgram_context *dgram);
	ssize_t (*recvfrom_recv)(struct tevent_req *req,
				 int *perrno,
				 TALLOC_CTX *mem_ctx,
				 uint8_t **buf,
				 struct tsocket_address **src);

	struct tevent_req *(*sendto_send)(TALLOC_CTX *mem_ctx,
					  struct tevent_context *ev,
					  struct tdgram_context *dgram,
					  const uint8_t *buf, size_t len,
					  const struct tsocket_address *dst);
	ssize_t (*sendto_recv)(struct tevent_req *req,
			       int *perrno);

	struct tevent_req *(*disconnect_send)(TALLOC_CTX *mem_ctx,
					      struct tevent_context *ev,
					      struct tdgram_context *dgram);
	int (*disconnect_recv)(struct tevent_req *req,
			       int *perrno);
};

struct tdgram_context *_tdgram_context_create(TALLOC_CTX *mem_ctx,
					const struct tdgram_context_ops *ops,
					void *pstate,
					size_t psize,
					const char *type,
					const char *location);
#define tdgram_context_create(mem_ctx, ops, state, type, location) \
	_tdgram_context_create(mem_ctx, ops, state, sizeof(type), \
				#type, location)

void *_tdgram_context_data(struct tdgram_context *dgram);
#define tdgram_context_data(_req, _type) \
	talloc_get_type_abort(_tdgram_context_data(_req), _type)

struct tstream_context_ops {
	const char *name;

	ssize_t (*pending_bytes)(struct tstream_context *stream);

	struct tevent_req *(*readv_send)(TALLOC_CTX *mem_ctx,
					 struct tevent_context *ev,
					 struct tstream_context *stream,
					 struct iovec *vector,
					 size_t count);
	int (*readv_recv)(struct tevent_req *req,
			  int *perrno);

	struct tevent_req *(*writev_send)(TALLOC_CTX *mem_ctx,
					  struct tevent_context *ev,
					  struct tstream_context *stream,
					  const struct iovec *vector,
					  size_t count);
	int (*writev_recv)(struct tevent_req *req,
			   int *perrno);

	struct tevent_req *(*disconnect_send)(TALLOC_CTX *mem_ctx,
					      struct tevent_context *ev,
					      struct tstream_context *stream);
	int (*disconnect_recv)(struct tevent_req *req,
			       int *perrno);
};

struct tstream_context *_tstream_context_create(TALLOC_CTX *mem_ctx,
					const struct tstream_context_ops *ops,
					void *pstate,
					size_t psize,
					const char *type,
					const char *location);
#define tstream_context_create(mem_ctx, ops, state, type, location) \
	_tstream_context_create(mem_ctx, ops, state, sizeof(type), \
				#type, location)

void *_tstream_context_data(struct tstream_context *stream);
#define tstream_context_data(_req, _type) \
	talloc_get_type_abort(_tstream_context_data(_req), _type)

int tsocket_simple_int_recv(struct tevent_req *req, int *perrno);

#endif /* _TSOCKET_H */