core/protocols/novell/nmconn.h

changeset 14253
b63ebf84c42b
parent 9360
c40bc951573a
equal deleted inserted replaced
14252:d10dda2777a9 14253:b63ebf84c42b
1 /*
2 * nmconn.h
3 *
4 * Copyright (c) 2004 Novell, Inc. All Rights Reserved.
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; version 2 of the License.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18 *
19 */
20
21 #ifndef __NM_CONN_H__
22 #define __NM_CONN_H__
23
24 typedef struct _NMConn NMConn;
25 typedef struct _NMSSLConn NMSSLConn;
26
27 #include "nmfield.h"
28 #include "nmuser.h"
29
30 typedef int (*nm_ssl_read_cb) (gpointer ssl_data, void *buff, int len);
31 typedef int (*nm_ssl_write_cb) (gpointer ssl_data, const void *buff, int len);
32
33 struct _NMConn
34 {
35
36 /* The address of the server that we are connecting to. */
37 char *addr;
38
39 /* The port that we are connecting to. */
40 int port;
41
42 /* The file descriptor of the socket for the connection. */
43 int fd;
44
45 /* The transaction counter. */
46 int trans_id;
47
48 /* A list of requests currently awaiting a response. */
49 GSList *requests;
50
51 /* Are we connected? TRUE if so, FALSE if not. */
52 gboolean connected;
53
54 /* Are we running in secure mode? */
55 gboolean use_ssl;
56
57 /* Have we been redirected? */
58 gboolean redirect;
59
60 /* SSL connection */
61 NMSSLConn *ssl_conn;
62
63 };
64
65 struct _NMSSLConn
66 {
67
68 /* Data to pass to the callbacks */
69 gpointer data;
70
71 /* Callbacks for reading/writing */
72 nm_ssl_read_cb read;
73 nm_ssl_write_cb write;
74
75 };
76
77 /**
78 * Allocate a new NMConn struct
79 *
80 * @param The address of the server that we are connecting to.
81 * @param The port that we are connecting to.
82 *
83 * @return A pointer to a newly allocated NMConn struct, should
84 * be freed by calling nm_release_conn()
85 */
86 NMConn *nm_create_conn(const char *addr, int port);
87
88 /**
89 * Release an NMConn
90 *
91 * @param Pointer to the NMConn to release.
92 *
93 */
94 void nm_release_conn(NMConn *conn);
95
96 /**
97 * Write len bytes from the given buffer.
98 *
99 * @param conn The connection to write to.
100 * @param buff The buffer to write from.
101 * @param len The number of bytes to write.
102 *
103 * @return The number of bytes written.
104 */
105 int nm_tcp_write(NMConn * conn, const void *buff, int len);
106
107 /**
108 * Read at most len bytes into the given buffer.
109 *
110 * @param conn The connection to read from.
111 * @param buff The buffer to write to.
112 * @param len The maximum number of bytes to read.
113 *
114 * @return The number of bytes read.
115 */
116 int nm_tcp_read(NMConn * conn, void *buff, int len);
117
118 /**
119 * Read exactly len bytes into the given buffer.
120 *
121 * @param conn The connection to read from.
122 * @param buff The buffer to write to.
123 * @param len The number of bytes to read.
124 *
125 * @return NM_OK on success, NMERR_TCP_READ if read fails.
126 */
127 NMERR_T nm_read_all(NMConn * conn, char *buf, int len);
128
129 /**
130 * Read a 32 bit value and convert it to the host byte order.
131 *
132 * @param conn The connection to read from.
133 * @param val A pointer to unsigned 32 bit integer
134 *
135 * @return NM_OK on success, NMERR_TCP_READ if read fails.
136 */
137 NMERR_T
138 nm_read_uint32(NMConn *conn, guint32 *val);
139
140 /**
141 * Read a 16 bit value and convert it to the host byte order.
142 *
143 * @param conn The connection to read from.
144 * @param val A pointer to unsigned 16 bit integer
145 *
146 * @return NM_OK on success, NMERR_TCP_READ if read fails.
147 */
148 NMERR_T
149 nm_read_uint16(NMConn *conn, guint16 *val);
150
151 /**
152 * Dispatch a request to the server.
153 *
154 * @param conn The connection.
155 * @param cmd The request to dispatch.
156 * @param fields The field list for the request.
157 * @param cb The response callback for the new request object.
158 * @param data The user defined data for the request (to be passed to the resp cb).
159 * @param req The request. Should be freed with nm_release_request.
160 *
161 * @return NM_OK on success.
162 */
163 NMERR_T
164 nm_send_request(NMConn *conn, char *cmd, NMField *fields,
165 nm_response_cb cb, gpointer data, NMRequest **request);
166
167 /**
168 * Write out the given field list.
169 *
170 * @param conn The connection to write to.
171 * @param fields The field list to write.
172 *
173 * @return NM_OK on success.
174 */
175 NMERR_T nm_write_fields(NMConn * conn, NMField * fields);
176
177 /**
178 * Read the headers for a response.
179 *
180 * @param conn The connection to read from.
181 *
182 * @return NM_OK on success.
183 */
184 NMERR_T nm_read_header(NMConn * conn);
185
186 /**
187 * Read a field list from the connection.
188 *
189 * @param conn The connection to read from.
190 * @param count The maximum number of fields to read (or -1 for no max).
191 * @param fields The field list. This is an out param. It
192 * should be freed by calling nm_free_fields
193 * when finished.
194 *
195 * @return NM_OK on success.
196 */
197 NMERR_T nm_read_fields(NMConn * conn, int count, NMField ** fields);
198
199 /**
200 * Add a request to the connections request list.
201 *
202 * @param conn The connection.
203 * @param request The request to add to the list.
204 */
205 void nm_conn_add_request_item(NMConn * conn, NMRequest * request);
206
207 /**
208 * Remove a request from the connections list.
209 *
210 * @param conn The connection.
211 * @param request The request to remove from the list.
212 */
213 void nm_conn_remove_request_item(NMConn * conn, NMRequest * request);
214
215 /**
216 * Find the request with the given transaction id in the connections
217 * request list.
218 *
219 * @param conn The connection.
220 * @param trans_id The transaction id of the request to return.
221 *
222 * @return The request, or NULL if a matching request is not
223 * found.
224 */
225 NMRequest *nm_conn_find_request(NMConn * conn, int trans_id);
226
227 /**
228 * Get the server address for the connection.
229 *
230 * @param conn The connection.
231 *
232 * @return The server address for the connection.
233 *
234 */
235 const char *nm_conn_get_addr(NMConn * conn);
236
237 /**
238 * Get the port for the connection.
239 *
240 * @param conn The connection.
241 *
242 * @return The port that we are connected to.
243 */
244 int nm_conn_get_port(NMConn * conn);
245
246 #endif

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