/*
***************************************************************************
* Read header data sent by sadc.
***************************************************************************
*/
void read_header_data(void)
{
struct file_magic file_magic;
struct file_activity file_act;
int rc, i, p;
char version[16];
/* Read magic header */
rc = sa_read(&file_magic, FILE_MAGIC_SIZE);
sprintf(version, "%d.%d.%d.%d",
file_magic.sysstat_version,
file_magic.sysstat_patchlevel,
file_magic.sysstat_sublevel,
file_magic.sysstat_extraversion);
if (!file_magic.sysstat_extraversion) {
version[strlen(version) - 2] = '\0';
}
if (rc || (file_magic.sysstat_magic != SYSSTAT_MAGIC) ||
(file_magic.format_magic != FORMAT_MAGIC) ||
strcmp(version, VERSION)) {
/* sar and sadc commands are not consistent */
if (!rc && (file_magic.sysstat_magic == SYSSTAT_MAGIC)) {
fprintf(stderr,
_("Using a wrong data collector from a different sysstat version\n"));
}
goto input_error;
}
/*
* Read header data.
* No need to take into account file_magic.header_size. We are sure that
* sadc and sar are from the same version (we have checked FORMAT_MAGIC
* but also VERSION above) and thus the size of file_header is FILE_HEADER_SIZE.
*/
if (sa_read(&file_hdr, FILE_HEADER_SIZE)) {
print_read_error();
}
if (file_hdr.sa_act_nr > NR_ACT)
goto input_error;
/* Read activity list */
for (i = 0; i < file_hdr.sa_act_nr; i++) {
if (sa_read(&file_act, FILE_ACTIVITY_SIZE)) {
print_read_error();
}
p = get_activity_position(act, file_act.id, RESUME_IF_NOT_FOUND);
if ((p < 0) || (act[p]->fsize != file_act.size)
|| !file_act.nr
|| !file_act.nr2
|| (act[p]->magic != file_act.magic))
/* Remember that we are reading data from sadc and not from a file... */
goto input_error;
id_seq[i] = file_act.id; /* We necessarily have "i < NR_ACT" */
act[p]->nr = file_act.nr;
act[p]->nr2 = file_act.nr2;
}
while (i < NR_ACT) {
id_seq[i++] = 0;
}
/* Check that all selected activties are actually sent by sadc */
reverse_check_act(file_hdr.sa_act_nr);
return;
input_error:
/* Strange data sent by sadc...! */
fprintf(stderr, _("Inconsistent input data\n"));
exit(3);
}
/*
* Fetch all subdirectories and append those that match the pattern to the list.
*/
static u_int32_t
NI_query_all(agent_private *ap, char *path, int single_item, int stamp, dsrecord *pattern, dsrecord **list)
{
ni_idlist idl;
ni_proplist pl;
ni_id dir;
int dx, i;
ni_status status;
dsrecord *r, *lastrec;
lastrec = NULL;
for (dx = 0; dx < ap->domain_count; dx++)
{
if (stamp == 1)
{
r = dsrecord_new();
NI_add_validation(ap, r, dx);
if (*list == NULL) *list = r;
else lastrec->next = r;
lastrec = r;
continue;
}
NI_INIT(&dir);
syslock_lock(rpcLock);
status = sa_pathsearch(ap->domain[dx].handle, &dir, path);
syslock_unlock(rpcLock);
if (status != NI_OK) continue;
NI_INIT(&idl);
syslock_lock(rpcLock);
status = sa_children(ap->domain[dx].handle, &dir, &idl);
syslock_unlock(rpcLock);
if (status != NI_OK) continue;
for (i = 0; i < idl.ni_idlist_len; i++)
{
dir.nii_object = idl.ni_idlist_val[i];
dir.nii_instance = 0;
NI_INIT(&pl);
syslock_lock(rpcLock);
status = sa_read(ap->domain[dx].handle, &dir, &pl);
syslock_unlock(rpcLock);
if (status != NI_OK) continue;
r = nitods(&pl);
NI_add_validation(ap, r, dx);
ni_proplist_free(&pl);
if (r == NULL) continue;
if (dsrecord_match(r, pattern))
{
if (*list == NULL) *list = r;
else lastrec->next = r;
lastrec = r;
if (single_item == 1)
{
ni_idlist_free(&idl);
return 0;
}
}
else
{
dsrecord_release(r);
}
}
ni_idlist_free(&idl);
}
return 0;
}
/*
* Use ni_lookup to match key=value,
* Fetch matching subdirectories and append those that match the pattern to the list.
*/
static u_int32_t
NI_query_lookup(agent_private *ap, char *path, int single_item, u_int32_t where, dsrecord *pattern, dsrecord **list)
{
ni_idlist idl;
ni_proplist pl;
ni_id dir;
int dx, i, try_realname;
ni_status status;
dsrecord *r, *lastrec;
char *key, *val;
dsattribute *a;
lastrec = NULL;
a = dsattribute_retain(pattern->attribute[where]);
key = dsdata_to_cstring(a->key);
val = dsdata_to_cstring(a->value[0]);
dsrecord_remove_attribute(pattern, a, SELECT_ATTRIBUTE);
/*
* SPECIAL CASE For category user, key "name":
* if no matches for "name", try "realname".
*/
try_realname = 0;
if ((!strcmp(path, "/users")) && (!strcmp(key, "name"))) try_realname = 1;
for (dx = 0; dx < ap->domain_count; dx++)
{
NI_INIT(&dir);
syslock_lock(rpcLock);
status = sa_pathsearch(ap->domain[dx].handle, &dir, path);
syslock_unlock(rpcLock);
if (status != NI_OK) continue;
NI_INIT(&idl);
syslock_lock(rpcLock);
status = sa_lookup(ap->domain[dx].handle, &dir, key, val, &idl);
if ((idl.ni_idlist_len == 0) && (try_realname == 1))
{
status = sa_lookup(ap->domain[dx].handle, &dir, "realname", val, &idl);
}
syslock_unlock(rpcLock);
if (status != NI_OK) continue;
for (i = 0; i < idl.ni_idlist_len; i++)
{
dir.nii_object = idl.ni_idlist_val[i];
dir.nii_instance = 0;
NI_INIT(&pl);
syslock_lock(rpcLock);
status = sa_read(ap->domain[dx].handle, &dir, &pl);
syslock_unlock(rpcLock);
if (status != NI_OK) continue;
r = nitods(&pl);
NI_add_validation(ap, r, dx);
ni_proplist_free(&pl);
if (r == NULL) continue;
if (dsrecord_match(r, pattern))
{
if (*list == NULL) *list = r;
else lastrec->next = r;
lastrec = r;
if (single_item == 1)
{
ni_idlist_free(&idl);
dsattribute_release(a);
return 0;
}
}
else
{
dsrecord_release(r);
}
}
ni_idlist_free(&idl);
}
dsattribute_release(a);
return 0;
}
/*
***************************************************************************
* Read header data sent by sadc.
***************************************************************************
*/
void read_header_data(void)
{
struct file_magic file_magic;
struct file_activity file_act;
int rc, i, p;
char version[16];
/* Read magic header */
rc = sa_read(&file_magic, FILE_MAGIC_SIZE);
sprintf(version, "%d.%d.%d.%d",
file_magic.sysstat_version,
file_magic.sysstat_patchlevel,
file_magic.sysstat_sublevel,
file_magic.sysstat_extraversion);
if (!file_magic.sysstat_extraversion) {
version[strlen(version) - 2] = '\0';
}
if (rc || (file_magic.sysstat_magic != SYSSTAT_MAGIC) ||
(file_magic.format_magic != FORMAT_MAGIC) ||
strcmp(version, VERSION)) {
/* sar and sadc commands are not consistent */
fprintf(stderr, _("Invalid data format\n"));
if (!rc && (file_magic.sysstat_magic == SYSSTAT_MAGIC)) {
fprintf(stderr,
_("Using a wrong data collector from a different sysstat version\n"));
}
exit(3);
}
/* Read header data */
if (sa_read(&file_hdr, FILE_HEADER_SIZE)) {
print_read_error();
}
/* Read activity list */
for (i = 0; i < file_hdr.sa_nr_act; i++) {
if (sa_read(&file_act, FILE_ACTIVITY_SIZE)) {
print_read_error();
}
p = get_activity_position(act, file_act.id);
if ((p < 0) || (act[p]->fsize != file_act.size)
|| !file_act.nr
|| !file_act.nr2
|| (act[p]->magic != file_act.magic)) {
/* Remember that we are reading data from sadc and not from a file... */
fprintf(stderr, _("Inconsistent input data\n"));
exit(3);
}
id_seq[i] = file_act.id; /* We necessarily have "i < NR_ACT" */
act[p]->nr = file_act.nr;
act[p]->nr2 = file_act.nr2;
}
while (i < NR_ACT) {
id_seq[i++] = 0;
}
/* Check that all selected activties are actually sent by sadc */
reverse_check_act(file_hdr.sa_nr_act);
}
