1/*
2 * Copyright (c) 2010 Apple Inc. All rights reserved.
3 *
4 * @APPLE_LICENSE_HEADER_START@
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
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10 * 1.  Redistributions of source code must retain the above copyright
11 *     notice, this list of conditions and the following disclaimer.
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14 *     documentation and/or other materials provided with the distribution.
15 * 3.  Neither the name of Apple Inc. ("Apple") nor the names of its
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17 *     this software without specific prior written permission.
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30 * Portions of this software have been released under the following terms:
31 *
32 * (c) Copyright 1989-1993 OPEN SOFTWARE FOUNDATION, INC.
33 * (c) Copyright 1989-1993 HEWLETT-PACKARD COMPANY
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49 * Copyright (c) 2007, Novell, Inc. All rights reserved.
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51 * modification, are permitted provided that the following conditions
52 * are met:
53 *
54 * 1.  Redistributions of source code must retain the above copyright
55 *     notice, this list of conditions and the following disclaimer.
56 * 2.  Redistributions in binary form must reproduce the above copyright
57 *     notice, this list of conditions and the following disclaimer in the
58 *     documentation and/or other materials provided with the distribution.
59 * 3.  Neither the name of Novell Inc. nor the names of its contributors
60 *     may be used to endorse or promote products derived from this
61 *     this software without specific prior written permission.
62 *
63 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
64 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
65 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
66 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY
67 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
68 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
69 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
70 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
71 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
72 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
73 *
74 * @APPLE_LICENSE_HEADER_END@
75 */
76
77/*
78**
79**  NAME:
80**
81**      rpcdbg.h
82**
83**  FACILITY:
84**
85**      Remote Procedure Call (RPC)
86**
87**  ABSTRACT:
88**
89**  Various macros and data to assist with debugging related code.
90**
91**
92*/
93
94#ifndef _RPCDBG_H
95#define _RPCDBG_H	1
96
97/*
98 * Debug has been separated into messaging
99 * code and "other" ... messaging now largely
100 * implemented by rpcsvc.{c,h}
101 */
102#  include <rpcsvc.h>
103
104/*
105 * A few macros for dealing with debugging code / printfs.
106 *
107 * The model here is that there are a number of debug "switches", each one
108 * of which can be set to some debug "level".  The switches are represented
109 * as an enumeration.
110 */
111
112/*
113 * The debug switches.
114 */
115
116typedef enum {
117    rpc_es_dgb_none = 0,
118    rpc_es_dbg_general,                  /*  1 */
119    rpc_es_dbg_mutex,                    /*  2 */
120    rpc_es_dbg_xmit,                     /*  3 */
121    rpc_es_dbg_recv,                     /*  4 */
122    rpc_es_dbg_dg_lossy,                 /*  5 */
123    rpc_es_dbg_dg_state,                 /*  6 */
124    rpc_es_dbg_ip_max_pth_unfrag_tpdu,   /*  7 */
125    rpc_es_dbg_ip_max_loc_unfrag_tpdu,   /*  8 */
126    rpc_es_dbg_dds_max_pth_unfrag_tpdu,  /*  9 */
127    rpc_es_dbg_dds_max_loc_unfrag_tpdu,  /* 10 */
128    rpc_es_dbg_dg_rq_qsize,              /* 11 */
129    rpc_es_dbg_cancel,                   /* 12 */
130    rpc_es_dbg_orphan,                   /* 13 */
131    rpc_es_dbg_cn_state,                 /* 14 */
132    rpc_es_dbg_cn_pkt,                   /* 15 */
133    rpc_es_dbg_pkt_quotas,               /* 16 */
134    rpc_es_dbg_auth,                     /* 17 */
135    rpc_es_dbg_source,                   /* 18 */
136    rpc_es_dbg_pkt_quota_size,           /* 19 */
137    rpc_es_dbg_stats,                    /* 20 */
138    rpc_es_dbg_mem,                      /* 21 */
139    rpc_es_dbg_mem_type,                 /* 22 */
140    rpc_es_dbg_dg_pktlog,                /* 23 */
141    rpc_es_dbg_thread_id,                /* 24 */
142    rpc_es_dbg_timestamp,                /* 25 */
143    rpc_es_dbg_cn_errors,                /* 25 */
144    rpc_es_dbg_conv_thread,              /* 27 */
145    rpc_es_dbg_pid,                      /* 28 */
146    rpc_es_dbg_atfork,                   /* 29 */
147    rpc_es_dbg_cma_thread,               /* 30 */
148    rpc_es_dbg_inherit,                  /* 31 */
149    rpc_es_dbg_dg_sockets,               /* 32 */
150    rpc_es_dbg_ip_max_tsdu,              /* 33 */
151    rpc_es_dbg_dg_max_psock,             /* 34 */
152    rpc_es_dbg_dg_max_window_size,       /* 35 */
153    rpc_es_dbg_threads,                  /* 36 */
154    rpc_es_dbg_uxd_max_pth_unfrag_tpdu,  /* 37 */
155    rpc_es_dbg_uxd_max_loc_unfrag_tpdu,  /* 38 */
156    rpc_es_dbg_uxd_max_tsdu,             /* 39 */
157    rpc_es_dbg_np_max_pth_unfrag_tpdu,   /* 40 */
158    rpc_es_dbg_np_max_loc_unfrag_tpdu,   /* 41 */
159    rpc_es_dbg_np_max_tsdu,              /* 42 */
160    rpc_es_dbg_server_call,              /* 43 */
161    rpc_es_dbg_libidl,                   /* 44 */
162    rpc_es_dbg_dg_pkt,                   /* 45 */
163
164    /*
165     * Add new switches above this comment and adjust the
166     * "last_switch" value if necessary.  We keep a few
167     * empty slots to allow for easy temporary additions.
168     */
169    rpc_es_dbg_last_switch       = 45    /* 45 */
170} rpc_dbg_switch_t;
171
172#define RPC_DBG_N_SWITCHES (((int) rpc_es_dbg_last_switch) + 1)
173
174/*
175 * Debug table
176 *
177 * A vector of "debug levels", one level per "debug switch".
178 */
179EXTERNAL unsigned8 rpc_g_dbg_switches[];
180
181/*
182 * R P C _ D B G
183 *
184 * Tests whether a particular debug switch is set at a particular level (or
185 * higher).
186 */
187#define RPC_DBG(switch, level) (rpc_g_dbg_switches[(int) (switch)] >= (level))
188
189/*
190 * R P C _ D B G _ E X A C T
191 *
192 * Tests whether a particular debug switch is set at exactly a particular level
193 */
194#define RPC_DBG_EXACT(switch, level) (rpc_g_dbg_switches[(int) (switch)] == (level))
195
196/*
197 * a macro to set *status rpc_s_coding_error
198 */
199#define CODING_ERROR(status)        *(status) = rpc_s_coding_error
200
201#ifndef DCE_RPC_SVC
202/*
203 * R P C _ D B G _ P R I N T F
204 *
205 * A macro that prints debug info based on a debug switch's level.  Note
206 * that this macro is intended to be used as follows:
207 *
208 *      RPC_DBG_PRINTF(rpc_es_dbg_xmit, 3, ("Sent pkt %d", pkt_count));
209 *
210 * I.e. the third parameter is the argument list to "printf" and must be
211 * enclosed in parens.
212 *
213 */
214#define RPC_DBG_ADD_PRINTF(switch, level, pargs) \
215do { \
216    if (RPC_DBG((switch), (level))) {\
217        rpc__printf pargs; \
218} } while(0)
219
220#define RPC_DBG_PRINTF(switch, level, pargs) \
221do { \
222    if (RPC_DBG((switch), (level))) { \
223        rpc__printf pargs ; \
224        rpc__print_source(__FILE__, __LINE__); \
225} } while(0)
226
227#define RPC_DBG_GPRINTF(pargs) \
228    RPC_DBG_PRINTF(rpc_es_dbg_general, 1, pargs)
229
230#else	/* !DCE_RPC_SVC */
231
232/*
233 * R P C _ D B G _ G P R I N T F
234 *
235 * A macro on top of RPC_DBG_PRINTF that's used for printing random general
236 * debug info.  Sample usage:
237 *
238 *      RPC_DBG_GPRINTF(("Sent pkt %d", pkt_count));
239 *
240 */
241
242#define RPC_DBG_GPRINTF(pargs) \
243    RPC_DBG_PRINTF(rpc_es_dbg_general, 1, pargs)
244
245#endif	/* !DCE_RPC_SVC */
246
247/*
248 * R P C _ _ D B G _ S E T _ S W I T C H E S
249 */
250
251PUBLIC void rpc__dbg_set_switches (
252        const char      * /*s*/,
253        unsigned32      * /*st*/
254    );
255
256#ifndef	DCE_RPC_SVC
257/*
258 * R P C _ _ P R I N T F
259 *
260 * Note: This function uses a variable-length argument list. The "right"
261 * way to handle this is using the ANSI C notation (listed below under
262 * #ifdef STDARG_PRINTF). However, not all of the compilers support this,
263 * so it's here just for future reference purposes.
264 *
265 * An alternative is to use the "varargs" convention (listed below under
266 * #ifndef NO_VARARGS_PRINTF). Most compilers support this convention,
267 * however you can't use prototypes with this.
268 *
269 * The next to last choice is to use the "old" notation. In this case
270 * also you can't use prototypes.
271 *
272 * The last choice is to abandon this all together, define NO_RPC_PRINTF
273 * and just use "printf" (from commonp.h).
274 */
275
276#ifndef NO_RPC_PRINTF
277
278#include <stdarg.h>
279
280PRIVATE ssize_t rpc__printf ( const char * /*format*/, ...)
281#if __GNUC__
282__attribute__((__format__ (__printf__, 1, 2)))
283#endif
284;
285
286#endif /* NO_RPC_PRINTF */
287
288#endif	/* !DCE_RPC_SVC */
289
290/*
291 * R P C _ _ D I E
292 */
293
294PRIVATE void rpc__die (
295        char            * /*text*/,
296        char            * /*file*/,
297        int              /*line*/
298    );
299
300/*
301 * R P C _ _ U U I D _ S T R I N G
302 */
303
304PRIVATE char *rpc__uuid_string ( idl_uuid_t */*uuid*/);
305
306/*
307 * R P C _ _ P R I N T _ S O U R C E
308 */
309
310PRIVATE void rpc__print_source (
311        const char      * /*file*/,
312        int             /*line*/
313    );
314
315#endif /* _RPCDBG_H */
316