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White Rabbit Switch - Software
Commit d3a45929 authored by Alessandro Rubini's avatar Alessandro Rubini
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snmp library: use real versions from 'wrs_version -t' 

Signed-off-by: Alessandro Rubini's avatarAlessandro Rubini <rubini@gnudd.com>
parent a00bfae8
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Showing with 55 additions and 18 deletions
doc/wrs-build.in
View file @ d3a45929
......@@ -1668,7 +1668,9 @@ is an environment variable pointing to this package:
Using SNMP version 1 instead of 2c is fine as well, but you won't receive
the 64-bit values for slave/tracking information.
The output you will get back is something like the following:
The output you will get back is something like the following. Clearly
the software commit in this example is my own development version while writing
this section:
@smallexample
WR-SWITCH-MIB::wrsScalar.0 = INTEGER: 2
......@@ -1695,12 +1697,12 @@ WR-SWITCH-MIB::portLink.16 = INTEGER: down(0)
[...]
WR-SWITCH-MIB::portPeer.18 = Hex-STRING: FF FF FF FF FF FF FF FF
WR-SWITCH-MIB::ppsiPort.5 = Hex-STRING: FF FF FF FF FF FF FF FF
WR-SWITCH-MIB::wrsVersionSw.0 = STRING: fake-v4.0-rc1
WR-SWITCH-MIB::wrsVersionGw1.0 = STRING: fake-7cce708
WR-SWITCH-MIB::wrsVersionGw2.0 = STRING: fake-5118070
WR-SWITCH-MIB::wrsVersionGw3.0 = STRING: fake-7efeb16
WR-SWITCH-MIB::wrsVersionHw1.0 = STRING: fake-3.30
WR-SWITCH-MIB::wrsVersionHw2.0 = STRING: fake-LX240T
WR-SWITCH-MIB::wrsVersionSw.0 = STRING: v4.0-rc1-42-gcec7805+
WR-SWITCH-MIB::wrsVersionGw1.0 = STRING: 7cce708
WR-SWITCH-MIB::wrsVersionGw2.0 = STRING: 5118070
WR-SWITCH-MIB::wrsVersionGw3.0 = STRING: 7efeb16
WR-SWITCH-MIB::wrsVersionHw1.0 = STRING: 3.30
WR-SWITCH-MIB::wrsVersionHw2.0 = STRING: LX240T
@end smallexample
@c ==========================================================================
......
userspace/snmpd/wrsVersion.c
View file @ d3a45929
......@@ -13,9 +13,22 @@
/* Our structure for caching data */
#define VERSION_N_STRINGS 6 /* sw, 3 gw, 2 hw */
static struct wrs_version {
char *value[VERSION_N_STRINGS];
} wrs_version;
struct wrs_v_item {
char *key;
char *value;
};
static struct wrs_v_item wrs_version[] = {
/* Warning: the order here msut match the MIB file */
[0] = {.key = "software-version:"},
[1] = {"wr_switch_hdl-commit:"},
[2] = {"general-cores-commit:"},
[3] = {"wr-cores-commit:"},
[4] = {"pcb-version:"},
[5] = {"fpga-type:"},
};
static int version_group(netsnmp_mib_handler *handler,
netsnmp_handler_registration *reginfo,
......@@ -32,7 +45,7 @@ static int version_group(netsnmp_mib_handler *handler,
requests->requestvb->name_length - 2
];
s = wrs_version.value[obj - 1];
s = wrs_version[obj - 1].value ? : "unknown";
snmp_set_var_typed_value(requests->requestvb,
ASN_OCTET_STR, s, strlen(s));
break;
......@@ -44,6 +57,34 @@ static int version_group(netsnmp_mib_handler *handler,
return SNMP_ERR_NOERROR;
}
/*
* We parse versions at initialization time, as they won't change.
* FIXME: we should factorize parsing, this duplicates ./wrsPpsi.c
* (while being different, as here we need simpler stuff)
*/
static void wrs_v_init(void)
{
char s[80], key[40], value[40];
FILE *f = popen("/wr/bin/wrsw_version -t", "r");
int i;
if (!f) {
/* The "unknown" above will apply, bad but acceptable */
return;
}
while (fgets(s, sizeof(s), f)) {
if (sscanf(s, "%s %[^\n]", key, value) != 2)
continue; /* error... */
for (i = 0; i < ARRAY_SIZE(wrs_version); i++) {
if (strcmp(key, wrs_version[i].key))
continue;
wrs_version[i].value = strdup(value);
}
}
pclose(f);
}
void
init_wrsVersion(void)
{
......@@ -51,13 +92,7 @@ init_wrsVersion(void)
const oid wrsVersion_oid[] = { WRS_OID, 4 };
netsnmp_handler_registration *hreg;
/* FIXME.... */
wrs_version.value[0] = "fake-v4.0-rc1";
wrs_version.value[1] = "fake-7cce708";
wrs_version.value[2] = "fake-5118070";
wrs_version.value[3] = "fake-7efeb16";
wrs_version.value[4] = "fake-3.30";
wrs_version.value[5] = "fake-LX240T";
wrs_v_init();
/* do the registration */
hreg = netsnmp_create_handler_registration(
......
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