]>
Commit | Line | Data |
---|---|---|
6e6d4a8b JP |
1 | /* |
2 | * Copyright (c) 2001-2004 Swedish Institute of Computer Science. | |
3 | * All rights reserved. | |
4 | * | |
5 | * Redistribution and use in source and binary forms, with or without modification, | |
6 | * are permitted provided that the following conditions are met: | |
7 | * | |
8 | * 1. Redistributions of source code must retain the above copyright notice, | |
9 | * this list of conditions and the following disclaimer. | |
10 | * 2. Redistributions in binary form must reproduce the above copyright notice, | |
11 | * this list of conditions and the following disclaimer in the documentation | |
12 | * and/or other materials provided with the distribution. | |
13 | * 3. The name of the author may not be used to endorse or promote products | |
14 | * derived from this software without specific prior written permission. | |
15 | * | |
16 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED | |
17 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF | |
18 | * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT | |
19 | * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | |
20 | * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT | |
21 | * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | |
22 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN | |
23 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING | |
24 | * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY | |
25 | * OF SUCH DAMAGE. | |
26 | * | |
27 | * This file is part of the lwIP TCP/IP stack. | |
28 | * | |
29 | * Author: Adam Dunkels <adam@sics.se> | |
30 | * | |
31 | */ | |
32 | #ifndef __LWIP_DEBUG_H__ | |
33 | #define __LWIP_DEBUG_H__ | |
34 | ||
35 | #include "lwip/arch.h" | |
36 | ||
37 | /** lower two bits indicate debug level | |
38 | * - 0 off | |
39 | * - 1 warning | |
40 | * - 2 serious | |
41 | * - 3 severe | |
42 | */ | |
43 | #define LWIP_DBG_LEVEL_OFF 0x00 | |
44 | #define LWIP_DBG_LEVEL_WARNING 0x01 /* bad checksums, dropped packets, ... */ | |
45 | #define LWIP_DBG_LEVEL_SERIOUS 0x02 /* memory allocation failures, ... */ | |
46 | #define LWIP_DBG_LEVEL_SEVERE 0x03 | |
47 | #define LWIP_DBG_MASK_LEVEL 0x03 | |
48 | ||
49 | /** flag for LWIP_DEBUGF to enable that debug message */ | |
50 | #define LWIP_DBG_ON 0x80U | |
51 | /** flag for LWIP_DEBUGF to disable that debug message */ | |
52 | #define LWIP_DBG_OFF 0x00U | |
53 | ||
54 | /** flag for LWIP_DEBUGF indicating a tracing message (to follow program flow) */ | |
55 | #define LWIP_DBG_TRACE 0x40U | |
56 | /** flag for LWIP_DEBUGF indicating a state debug message (to follow module states) */ | |
57 | #define LWIP_DBG_STATE 0x20U | |
58 | /** flag for LWIP_DEBUGF indicating newly added code, not thoroughly tested yet */ | |
59 | #define LWIP_DBG_FRESH 0x10U | |
60 | /** flag for LWIP_DEBUGF to halt after printing this debug message */ | |
61 | #define LWIP_DBG_HALT 0x08U | |
62 | ||
63 | #ifndef LWIP_NOASSERT | |
64 | #define LWIP_ASSERT(x,y) do { if(!(y)) LWIP_PLATFORM_ASSERT(x); } while(0) | |
65 | #else /* LWIP_NOASSERT */ | |
66 | #define LWIP_ASSERT(x,y) | |
67 | #endif /* LWIP_NOASSERT */ | |
68 | ||
69 | /** print "m" message only if "e" is true, and execute "h" expression */ | |
70 | #ifndef LWIP_ERROR | |
71 | #define LWIP_ERROR(m,e,h) do { if (!(e)) { LWIP_PLATFORM_ASSERT(m); h;}} while(0) | |
72 | #endif /* LWIP_ERROR */ | |
73 | ||
74 | #ifdef LWIP_DEBUG | |
75 | /** print debug message only if debug message type is enabled... | |
76 | * AND is of correct type AND is at least LWIP_DBG_LEVEL | |
77 | */ | |
78 | #define LWIP_DEBUGF(debug,x) do { \ | |
79 | if ( \ | |
80 | ((debug) & LWIP_DBG_ON) && \ | |
81 | ((debug) & LWIP_DBG_TYPES_ON) && \ | |
82 | ((s16_t)((debug) & LWIP_DBG_MASK_LEVEL) >= LWIP_DBG_MIN_LEVEL)) { \ | |
83 | LWIP_PLATFORM_DIAG(x); \ | |
84 | if ((debug) & LWIP_DBG_HALT) { \ | |
85 | while(1); \ | |
86 | } \ | |
87 | } \ | |
88 | } while(0) | |
89 | ||
90 | #else /* LWIP_DEBUG */ | |
91 | #define LWIP_DEBUGF(debug,x) | |
92 | #endif /* LWIP_DEBUG */ | |
93 | ||
94 | #endif /* __LWIP_DEBUG_H__ */ | |
95 |