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/*
* stub.c - libpcp_trace stubs
*
* Copyright (c) 1997 Silicon Graphics, Inc. All Rights Reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <pcp/trace.h>
int __pmstate = 0;
int
pmtracebegin(const char *tag)
{
#ifdef PMTRACE_DEBUG
if (__pmstate & PMTRACE_STATE_API)
fprintf(stderr, "pmtracebegin: start of transaction '%s'\n", tag);
#endif
return 0;
}
int
pmtraceend(const char *tag)
{
#ifdef PMTRACE_DEBUG
if (__pmstate & PMTRACE_STATE_API)
fprintf(stderr, "pmtraceend: end of transaction '%s'\n", tag);
#endif
return 0;
}
int
pmtraceabort(const char *tag)
{
#ifdef PMTRACE_DEBUG
if (__pmstate & PMTRACE_STATE_API)
fprintf(stderr, "pmtraceabort: transaction '%s' aborted\n", tag);
#endif
return 0;
}
int
pmtraceobs(const char *label, double value)
{
#ifdef PMTRACE_DEBUG
if (__pmstate & PMTRACE_STATE_API)
fprintf(stderr, "pmtraceobs: observation '%s', value=%f\n", label, value);
#endif
return 0;
}
int
pmtracecounter(const char *label, double value)
{
#ifdef PMTRACE_DEBUG
if (__pmstate & PMTRACE_STATE_API)
fprintf(stderr, "pmtracecounter: counter '%s', value=%f\n", label, value);
#endif
return 0;
}
int
pmtracepoint(const char *label)
{
#ifdef PMTRACE_DEBUG
if (__pmstate & PMTRACE_STATE_API)
fprintf(stderr, "pmtracepoint: trace point '%s' reached\n", label);
#endif
return 0;
}
int
pmtracestate(int code)
{
return(__pmstate |= code);
}
char *
pmtraceerrstr(int code)
{
static const struct {
int code;
char *msg;
} errtab[] = {
{ PMTRACE_ERR_TAGNAME,
"Invalid tag name - tag names cannot be NULL" },
{ PMTRACE_ERR_INPROGRESS,
"Transaction is already in progress - cannot begin" },
{ PMTRACE_ERR_NOPROGRESS,
"Transaction is not currently in progress - cannot end" },
{ PMTRACE_ERR_NOSUCHTAG,
"Transaction tag was not successfully initialised" },
{ PMTRACE_ERR_TAGTYPE,
"Tag is already in use for a different type of tracing" },
{ PMTRACE_ERR_TAGLENGTH,
"Tag name is too long (maximum 256 characters)" },
{ PMTRACE_ERR_IPC,
"IPC protocol failure" },
{ PMTRACE_ERR_ENVFORMAT,
"Unrecognised environment variable format" },
{ PMTRACE_ERR_TIMEOUT,
"Application timed out connecting to the PMDA" },
{ PMTRACE_ERR_VERSION,
"Incompatible versions between application and PMDA" },
{ PMTRACE_ERR_PERMISSION,
"Cannot connect to PMDA - permission denied" },
{ PMTRACE_ERR_CONNLIMIT,
"Cannot connect to PMDA - connection limit reached" },
{ 0, "" }
};
if ((code < 0) && (code > -PMTRACE_ERR_BASE)) /* catch intro(2) errors */
return strerror(-code);
else if (code == 0)
return "No error";
else {
int i;
for (i=0; errtab[i].code; i++) {
if (errtab[i].code == code)
return errtab[i].msg;
}
}
return "Unknown error code";
}
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