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Prepared fflushing and stderr output of SCSI command log

This commit is contained in:
Thomas Schmitt 2007-05-21 18:45:44 +00:00
parent 9b663f15d9
commit 41f2a40a58
2 changed files with 78 additions and 19 deletions
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2
cdrskin/cdrskin_timestamp.h
View File

@ -1 +1 @@
#define Cdrskin_timestamP "2007.04.23.171735"
#define Cdrskin_timestamP "2007.05.21.184334"

95
libburn/sg-linux.c
View File

@ -1027,6 +1027,71 @@ int sg_release(struct burn_drive *d)
}
/** ts A70518:
Debugging log facility. Controlled by existence of macros:
Libburn_log_sg_commandS enables logging to file
/tmp/libburn_sg_command_log
Libburn_fflush_log_sg_commandS enables fflush after each output line
Libburn_log_sg_command_stderR enables additional log to stderr
*/
/*
#define Libburn_log_sg_commandS 1
#define Libburn_fflush_log_sg_commandS 1
#define Libburn_log_sg_command_stderR 1
*/
#ifdef Libburn_log_sg_commandS
/** Logs command (before execution) */
static int sg_log_cmd(struct command *c, FILE *fp, int flag)
{
int i;
if (fp != NULL) {
for(i = 0; i < 16 && i < c->oplen; i++)
fprintf(fp,"%2.2x ", c->opcode[i]);
fprintf(fp, "\n");
#ifdef Libburn_fflush_log_sg_commandS
fflush(fp);
#endif
}
if (fp == stderr)
return 1;
#ifdef Libburn_log_sg_command_stderR
sg_log_cmd(c, stderr, flag);
#endif
return 1;
}
/** logs outcome of a sg command. flag&1 causes an error message */
static int sg_log_err(struct command *c, FILE *fp,
sg_io_hdr_t *s,
int flag)
{
if(fp!=NULL) {
if(flag & 1)
fprintf(fp,
"+++ key=%X asc=%2.2Xh ascq=%2.2Xh (%6d ms)\n",
s->sbp[2], s->sbp[12], s->sbp[13],s->duration);
else
fprintf(fp,"%6d ms\n", s->duration);
#ifdef Libburn_fflush_log_sg_commandS
fflush(fp);
#endif
}
if (fp == stderr)
return 1;
#ifdef Libburn_log_sg_command_stderR
sg_log_err(c, stderr, s, flag);
#endif
return 1;
}
#endif /* Libburn_log_sg_commandS */
/** Sends a SCSI command to the drive, receives reply and evaluates wether
the command succeeded or shall be retried or finally failed.
Returned SCSI errors shall not lead to a return value indicating failure.
@ -1041,15 +1106,10 @@ int sg_issue_command(struct burn_drive *d, struct command *c)
int done = 0, no_c_page = 0;
int err;
sg_io_hdr_t s;
/*
#define Libburn_log_sg_commandS 1
*/
#ifdef Libburn_log_sg_commandS
/* ts A61030 */
static FILE *fp= NULL;
static int fpcount= 0;
int i;
#endif /* Libburn_log_sg_commandS */
/* <<< ts A60821
@ -1065,12 +1125,7 @@ int sg_issue_command(struct burn_drive *d, struct command *c)
fp= fopen("/tmp/libburn_sg_command_log","a");
fprintf(fp,"\n-----------------------------------------\n");
}
if(fp!=NULL) {
for(i=0;i<10;i++)
fprintf(fp,"%2.2x ", c->opcode[i]);
fprintf(fp,"\n");
fpcount++;
}
sg_log_cmd(c,fp,0);
#endif /* Libburn_log_sg_commandS */
@ -1105,7 +1160,15 @@ int sg_issue_command(struct burn_drive *d, struct command *c)
if (c->page && !no_c_page) {
s.dxferp = c->page->data;
if (c->dir == FROM_DRIVE) {
s.dxfer_len = BUFFER_SIZE;
/* ts A70519 : kernel 2.4 usb-storage seems to
expect exact dxfer_len for data
fetching commands.
*/
if (c->dxfer_len >= 0)
s.dxfer_len = c->dxfer_len;
else
s.dxfer_len = BUFFER_SIZE;
/* touch page so we can use valgrind */
memset(c->page->data, 0, BUFFER_SIZE);
} else {
@ -1168,16 +1231,12 @@ int sg_issue_command(struct burn_drive *d, struct command *c)
ex:;
if (c->error) {
scsi_notify_error(d, c, s.sbp, s.sb_len_wr, 0);
}
#ifdef Libburn_log_sg_commandS
if(fp!=NULL) {
fprintf(fp,"+++ key=%X asc=%2.2Xh ascq=%2.2Xh\n",
s.sbp[2], s.sbp[12], s.sbp[13]);
fpcount++;
}
sg_log_err(c, fp, &s, c->error != 0);
#endif /* Libburn_log_sg_commandS */
}
return 1;
}