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Changes to error handling.

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- API to get error code.
- Errors are submited to message queue by its error code
- Define error codes in libiso_msgs.h
This commit is contained in:
Vreixo Formoso
2008-02-05 12:55:29 +01:00
parent 63052532b5
commit 3f84ec1fa3
3 changed files with 78 additions and 16 deletions
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52
libisofs/libiso_msgs.h
View File

@@ -499,6 +499,58 @@ Range "scdbackup" : 0x00020000 to 0x0002ffff
------------------------------------------------------------------------------
Range "vreixo" : 0x00030000 to 0x0003ffff
0x0003ffff (FAILURE,HIGH) = Operation canceled
0x0003fffe (FATAL,HIGH) = Unknown or unexpected fatal error
0x0003fffd (FAILURE,HIGH) = Unknown or unexpected error
0x0003fffc (FATAL,HIGH) = Internal programming error
0x0003fffb (FAILURE,HIGH) = NULL pointer where NULL not allowed
0x0003fffa (FATAL,HIGH) = Memory allocation error
0x0003fff9 (FATAL,HIGH) = Interrupted by a signal
0x0003fff8 (FAILURE,HIGH) = Invalid parameter value
0x0003fff7 (FATAL,HIGH) = Cannot create a needed thread
0x0003fff6 (FAILURE,HIGH) = Write error
0x0003fff5 (FAILURE,HIGH) = Buffer read error
0x0003ffc0 (FAILURE,HIGH) = Trying to add a node already added to another dir
0x0003ffbf (FAILURE,HIGH) = Node with same name already exist
0x0003ffbe (FAILURE,HIGH) = Trying to remove a node that was not added to dir
0x0003ffbd (FAILURE,HIGH) = A requested node does not exist
0x0003ffbc (FAILURE,HIGH) = Image already bootable
0x0003ffbb (FAILURE,HIGH) = Trying to use an invalid file as boot image
0x0003ff80 (FAILURE,HIGH) = Error on file operation
0x0003ff7f (FAILURE,HIGH) = Trying to open an already openned file
0x0003ff7e (FAILURE,HIGH) = Access to file is not allowed
0x0003ff7d (FAILURE,HIGH) = Incorrect path to file
0x0003ff7c (FAILURE,HIGH) = The file does not exist in the filesystem
0x0003ff7b (FAILURE,HIGH) = Trying to read or close a file not openned
0x0003ff7a (FAILURE,HIGH) = Directory used where no dir is expected
0x0003ff79 (FAILURE,HIGH) = File read error
0x0003ff78 (FAILURE,HIGH) = Not dir used where a dir is expected
0x0003ff77 (FAILURE,HIGH) = Not symlink used where a symlink is expected
0x0003ff76 (FAILURE,HIGH) = Cannot seek to specified location
0x0003ff75 (HINT,MEDIUM) = File not supported in ECMA-119 tree and ignored
0x0003ff74 (HINT,MEDIUM) = File bigger than supported by used standard
0x0003ff73 (SORRY,HIGH) = File read error during image creation
0x0003ff72 (HINT,MEDIUM) = Cannot convert filename to requested charset
0x0003ff71 (SORRY,HIGH) = File cannot be added to the tree
0x0003ff70 (HINT,MEDIUM) = File path breaks specification constraints
0x0003ff00 (FAILURE,HIGH) = Charset conversion error
0x0003feff (FAILURE,HIGH) = Too much files to mangle
0x0003fec0 (FAILURE,HIGH) = Wrong or damaged Primary Volume Descriptor
0x0003febf (SORRY,HIGH) = Wrong or damaged RR entry
0x0003febe (SORRY,HIGH) = Unsupported RR feature
0x0003febd (FAILURE,HIGH) = Wrong or damaged ECMA-119
0x0003febc (FAILURE,HIGH) = Unsupported ECMA-119 feature
0x0003febb (SORRY,HIGH) = Wrong or damaged El-Torito catalog
0x0003feba (SORRY,HIGH) = Unsupported El-Torito feature
0x0003feb9 (SORRY,HIGH) = Cannot patch isolinux boot image
0x0003feb8 (SORRY,HIGH) = Unsupported SUSP feature
0x0003feb7 (WARNING,HIGH) = Error on a RR entry that can be ignored
0x0003feb6 (HINT,MEDIUM) = Error on a RR entry that can be ignored
0x0003feb5 (WARNING,HIGH) = Multiple ER SUSP entries found
0x0003feb4 (HINT,MEDIUM) = Unsupported volume descriptor found
0x0003feb3 (WARNING,HIGH) = El-Torito related warning
0x0003feb2 (SORRY,HIGH) = Image write cancelled
------------------------------------------------------------------------------
Range "application" : 0x00040000 to 0x0004ffff

25
libisofs/libisofs.h
View File

@@ -2561,6 +2561,11 @@ int iso_error_get_severity(int e);
*/
int iso_error_get_priority(int e);
/**
* Get the message queue code of a libisofs error.
*/
int iso_error_get_code(int e);
/**
* Set the minimum error severity that causes a libisofs operation to
* be aborted as soon as possible.
@@ -2972,7 +2977,7 @@ const char *iso_image_fs_get_biblio_file_id(IsoImageFilesystem *fs);
/** Trying to remove a node that was not added to dir (FAILURE,HIGH, -65) */
#define ISO_NODE_NOT_ADDED_TO_DIR 0xE830FFBE
/** A requested node does not exists (FAILURE,HIGH, -66) */
/** A requested node does not exist (FAILURE,HIGH, -66) */
#define ISO_NODE_DOESNT_EXIST 0xE830FFBD
/**
@@ -2998,7 +3003,7 @@ const char *iso_image_fs_get_biblio_file_id(IsoImageFilesystem *fs);
/** Incorrect path to file (FAILURE,HIGH, -131) */
#define ISO_FILE_BAD_PATH 0xE830FF7D
/** The file does not exists in the filesystem (FAILURE,HIGH, -132) */
/** The file does not exist in the filesystem (FAILURE,HIGH, -132) */
#define ISO_FILE_DOESNT_EXIST 0xE830FF7C
/** Trying to read or close a file not openned (FAILURE,HIGH, -133) */
@@ -3025,7 +3030,7 @@ const char *iso_image_fs_get_biblio_file_id(IsoImageFilesystem *fs);
/* A file is bigger than supported by used standard (HINT,MEDIUM, -140) */
#define ISO_FILE_TOO_BIG 0xC020FF74
/* File read error during image creations (SORRY,HIGH, -141) */
/* File read error during image creation (SORRY,HIGH, -141) */
#define ISO_FILE_CANT_WRITE 0xE030FF73
/* Can't convert filename to requested charset (HINT,MEDIUM, -142) */
@@ -3038,7 +3043,7 @@ const char *iso_image_fs_get_biblio_file_id(IsoImageFilesystem *fs);
* File path break specification constraints and will be ignored
* (HINT,MEDIUM, -141)
*/
#define ISO_FILE_IMGPATH_WRONG 0xC020FF73
#define ISO_FILE_IMGPATH_WRONG 0xC020FF70
/** Charset conversion error (FAILURE,HIGH, -256) */
#define ISO_CHARSET_CONV_ERROR 0xE830FF00
@@ -3081,20 +3086,20 @@ const char *iso_image_fs_get_biblio_file_id(IsoImageFilesystem *fs);
/** Unsupported SUSP feature (SORRY,HIGH, -328) */
#define ISO_UNSUPPORTED_SUSP 0xE030FEB8
/** Error on a RR entry that can be ignored (WARNING,MEDIUM, -329) */
#define ISO_WRONG_RR_WARN 0xD020FEB7
/** Error on a RR entry that can be ignored (WARNING,HIGH, -329) */
#define ISO_WRONG_RR_WARN 0xD030FEB7
/** Error on a RR entry that can be ignored (HINT,MEDIUM, -330) */
#define ISO_SUSP_UNHANDLED 0xC020FEB6
/** Multiple ER SUSP entries found (WARNING,MEDIUM, -331) */
#define ISO_SUSP_MULTIPLE_ER 0xD020FEB5
/** Multiple ER SUSP entries found (WARNING,HIGH, -331) */
#define ISO_SUSP_MULTIPLE_ER 0xD030FEB5
/** Unsupported volume descriptor found (HINT,MEDIUM, -332) */
#define ISO_UNSUPPORTED_VD 0xC020FEB4
/** El-Torito related warning (WARNING,MEDIUM, -333) */
#define ISO_EL_TORITO_WARN 0xD020FEB3
/** El-Torito related warning (WARNING,HIGH, -333) */
#define ISO_EL_TORITO_WARN 0xD030FEB3
/** Image write cancelled (SORRY,HIGH, -334) */
#define ISO_IMAGE_WRITE_CANCELED 0xE030FEB2

17
libisofs/messages.c
View File

@@ -40,7 +40,7 @@
*/
#define ISO_ERR_SEV(e) (e & 0x7F000000)
#define ISO_ERR_PRIO(e) ((e & 0x00F00000) << 8)
#define ISO_ERR_CODE(e) (e & 0x0000FFFF)
#define ISO_ERR_CODE(e) ((e & 0x0000FFFF) | 0x00030000)
int iso_message_id = LIBISO_MSGS_ORIGIN_IMAGE_BASE;
@@ -128,7 +128,7 @@ const char *iso_error_to_msg(int errcode)
case ISO_NODE_NOT_ADDED_TO_DIR:
return "Trying to remove a node that was not added to dir";
case ISO_NODE_DOESNT_EXIST:
return "A requested node does not exists";
return "A requested node does not exist";
case ISO_IMAGE_ALREADY_BOOTABLE:
return "Try to set the boot image of an already bootable image";
case ISO_BOOT_IMAGE_NOT_VALID:
@@ -142,7 +142,7 @@ const char *iso_error_to_msg(int errcode)
case ISO_FILE_BAD_PATH:
return "Incorrect path to file";
case ISO_FILE_DOESNT_EXIST:
return "The file does not exists in the filesystem";
return "The file does not exist in the filesystem";
case ISO_FILE_NOT_OPENNED:
return "Trying to read or close a file not openned";
case ISO_FILE_IS_DIR:
@@ -160,7 +160,7 @@ const char *iso_error_to_msg(int errcode)
case ISO_FILE_TOO_BIG:
return "A file is bigger than supported by used standard";
case ISO_FILE_CANT_WRITE:
return "File read error during image creations";
return "File read error during image creation";
case ISO_FILENAME_WRONG_CHARSET:
return "Can't convert filename to requested charset";
case ISO_FILE_CANT_ADD:
@@ -224,8 +224,8 @@ int iso_msg_submit(int imgid, int errcode, int causedby, const char *fmt, ...)
strncpy(msg, iso_error_to_msg(errcode), MAX_MSG_LEN);
}
libiso_msgs_submit(libiso_msgr, imgid, errcode, ISO_ERR_SEV(errcode),
ISO_ERR_PRIO(errcode), msg, 0, 0);
libiso_msgs_submit(libiso_msgr, imgid, ISO_ERR_CODE(errcode),
ISO_ERR_SEV(errcode), ISO_ERR_PRIO(errcode), msg, 0, 0);
if (causedby != 0) {
iso_msg_debug(imgid, " > Caused by: %s", iso_error_to_msg(causedby));
if (ISO_ERR_SEV(causedby) == LIBISO_MSGS_SEV_FATAL) {
@@ -351,3 +351,8 @@ int iso_error_get_priority(int e)
{
return ISO_ERR_PRIO(e);
}
int iso_error_get_code(int e)
{
return ISO_ERR_CODE(e);
}