static int vfs_dev_rw(AGENT_REQUEST *request, AGENT_RESULT *result, int rw)
{
ZBX_SINGLE_DISKDEVICE_DATA *device;
char *devname, *tmp, kernel_devname[MAX_STRING_LEN];
int type, mode;
zbx_uint64_t dstats[ZBX_DSTAT_MAX];
if (3 < request->nparam)
{
SET_MSG_RESULT(result, zbx_strdup(NULL, "Too many parameters."));
return SYSINFO_RET_FAIL;
}
devname = get_rparam(request, 0);
tmp = get_rparam(request, 1);
if (NULL == tmp || '\0' == *tmp || 0 == strcmp(tmp, "sps")) /* default parameter */
type = ZBX_DSTAT_TYPE_SPS;
else if (0 == strcmp(tmp, "ops"))
type = ZBX_DSTAT_TYPE_OPS;
else if (0 == strcmp(tmp, "sectors"))
type = ZBX_DSTAT_TYPE_SECT;
else if (0 == strcmp(tmp, "operations"))
type = ZBX_DSTAT_TYPE_OPER;
else
{
SET_MSG_RESULT(result, zbx_strdup(NULL, "Invalid second parameter."));
return SYSINFO_RET_FAIL;
}
if (type == ZBX_DSTAT_TYPE_SECT || type == ZBX_DSTAT_TYPE_OPER)
{
if (request->nparam > 2)
{
/* Mode is supported only if type is in: operations, sectors. */
SET_MSG_RESULT(result, zbx_strdup(NULL, "Invalid number of parameters."));
return SYSINFO_RET_FAIL;
}
if (SUCCEED != get_diskstat(devname, dstats))
{
SET_MSG_RESULT(result, zbx_strdup(NULL, "Cannot obtain disk information."));
return SYSINFO_RET_FAIL;
}
if (ZBX_DSTAT_TYPE_SECT == type)
SET_UI64_RESULT(result, dstats[(ZBX_DEV_READ == rw ? ZBX_DSTAT_R_SECT : ZBX_DSTAT_W_SECT)]);
else
SET_UI64_RESULT(result, dstats[(ZBX_DEV_READ == rw ? ZBX_DSTAT_R_OPER : ZBX_DSTAT_W_OPER)]);
return SYSINFO_RET_OK;
}
tmp = get_rparam(request, 2);
if (NULL == tmp || '\0' == *tmp || 0 == strcmp(tmp, "avg1")) /* default parameter */
mode = ZBX_AVG1;
else if (0 == strcmp(tmp, "avg5"))
mode = ZBX_AVG5;
else if (0 == strcmp(tmp, "avg15"))
mode = ZBX_AVG15;
else
{
SET_MSG_RESULT(result, zbx_strdup(NULL, "Invalid third parameter."));
return SYSINFO_RET_FAIL;
}
if (NULL == collector)
{
/* CPU statistics collector and (optionally) disk statistics collector is started only when Zabbix */
/* agentd is running as a daemon. When Zabbix agent or agentd is started with "-p" or "-t" parameter */
/* the collectors are not available and keys "vfs.dev.read", "vfs.dev.write" with some parameters */
/* (e.g. sps, ops) are not supported. */
SET_MSG_RESULT(result, zbx_strdup(NULL, "This item is available only in daemon mode when collectors are"
" started."));
return SYSINFO_RET_FAIL;
}
if (NULL == devname || '\0' == *devname || 0 == strcmp(devname, "all"))
{
*kernel_devname = '\0';
}
else if (SUCCEED != get_kernel_devname(devname, kernel_devname, sizeof(kernel_devname)))
{
SET_MSG_RESULT(result, zbx_strdup(NULL, "Cannot obtain device name used internally by the kernel."));
return SYSINFO_RET_FAIL;
}
if (NULL == (device = collector_diskdevice_get(kernel_devname)))
{
if (SUCCEED != get_diskstat(kernel_devname, dstats))
{
SET_MSG_RESULT(result, zbx_strdup(NULL, "Cannot obtain disk information."));
return SYSINFO_RET_FAIL;
}
if (NULL == (device = collector_diskdevice_add(kernel_devname)))
{
SET_MSG_RESULT(result, zbx_strdup(NULL, "Cannot add disk device to agent collector."));
return SYSINFO_RET_FAIL;
}
}
if (ZBX_DSTAT_TYPE_SPS == type)
SET_DBL_RESULT(result, (ZBX_DEV_READ == rw ? device->r_sps[mode] : device->w_sps[mode]));
else
SET_DBL_RESULT(result, (ZBX_DEV_READ == rw ? device->r_ops[mode] : device->w_ops[mode]));
return SYSINFO_RET_OK;
}
static int vfs_dev_rw(const char *param, AGENT_RESULT *result, int rw)
{
ZBX_SINGLE_DISKDEVICE_DATA *device;
char devname[32], tmp[16];
int type, mode, nparam;
zbx_uint64_t dstats[ZBX_DSTAT_MAX];
char *pd; /* pointer to device name without '/dev/' prefix, e.g. 'da0' */
if (3 < (nparam = num_param(param))) /* too many parameters? */
return SYSINFO_RET_FAIL;
if (0 != get_param(param, 1, devname, sizeof(devname)))
return SYSINFO_RET_FAIL;
pd = devname;
if ('\0' != *pd)
{
if (0 == strcmp(pd, "all"))
*pd = '\0';
else
{
/* skip prefix ZBX_DEV_PFX, if present */
if (0 == strncmp(pd, ZBX_DEV_PFX, sizeof(ZBX_DEV_PFX) - 1))
pd += sizeof(ZBX_DEV_PFX) - 1;
}
}
if (0 != get_param(param, 2, tmp, sizeof(tmp)))
*tmp = '\0';
if ('\0' == *tmp || 0 == strcmp(tmp, "bps")) /* default parameter */
type = ZBX_DSTAT_TYPE_BPS;
else if (0 == strcmp(tmp, "ops"))
type = ZBX_DSTAT_TYPE_OPS;
else if (0 == strcmp(tmp, "bytes"))
type = ZBX_DSTAT_TYPE_BYTE;
else if (0 == strcmp(tmp, "operations"))
type = ZBX_DSTAT_TYPE_OPER;
else
return SYSINFO_RET_FAIL;
if (type == ZBX_DSTAT_TYPE_BYTE || type == ZBX_DSTAT_TYPE_OPER)
{
if (nparam > 2)
return SYSINFO_RET_FAIL;
if (FAIL == get_diskstat(pd, dstats))
return SYSINFO_RET_FAIL;
if (ZBX_DSTAT_TYPE_BYTE == type)
SET_UI64_RESULT(result, dstats[(ZBX_DEV_READ == rw ? ZBX_DSTAT_R_BYTE : ZBX_DSTAT_W_BYTE)]);
else /* ZBX_DSTAT_TYPE_OPER */
SET_UI64_RESULT(result, dstats[(ZBX_DEV_READ == rw ? ZBX_DSTAT_R_OPER : ZBX_DSTAT_W_OPER)]);
return SYSINFO_RET_OK;
}
if (0 != get_param(param, 3, tmp, sizeof(tmp)))
*tmp = '\0';
if ('\0' == *tmp || 0 == strcmp(tmp, "avg1")) /* default parameter */
mode = ZBX_AVG1;
else if (0 == strcmp(tmp, "avg5"))
mode = ZBX_AVG5;
else if (0 == strcmp(tmp, "avg15"))
mode = ZBX_AVG15;
else
return SYSINFO_RET_FAIL;
if (NULL == collector)
{
/* CPU statistics collector and (optionally) disk statistics collector is started only when Zabbix */
/* agentd is running as a daemon. When Zabbix agent or agentd is started with "-p" or "-t" parameter */
/* the collectors are not available and keys "vfs.dev.read", "vfs.dev.write" with some parameters */
/* (e.g. sps, ops) are not supported. */
SET_MSG_RESULT(result, strdup("This parameter is available only in daemon mode when collectors are started."));
return SYSINFO_RET_FAIL;
}
if (NULL == (device = collector_diskdevice_get(pd)))
{
if (FAIL == get_diskstat(pd, dstats)) /* validate device name */
return SYSINFO_RET_FAIL;
if (NULL == (device = collector_diskdevice_add(pd)))
return SYSINFO_RET_FAIL;
}
if (ZBX_DSTAT_TYPE_BPS == type) /* default parameter */
SET_DBL_RESULT(result, (ZBX_DEV_READ == rw ? device->r_bps[mode] : device->w_bps[mode]));
else if (ZBX_DSTAT_TYPE_OPS == type)
SET_DBL_RESULT(result, (ZBX_DEV_READ == rw ? device->r_ops[mode] : device->w_ops[mode]));
return SYSINFO_RET_OK;
}
static int vfs_dev_rw(const char *param, AGENT_RESULT *result, int rw)
{
ZBX_SINGLE_DISKDEVICE_DATA *device;
char devname[32], tmp[16];
int type, mode, nparam;
zbx_uint64_t dstats[ZBX_DSTAT_MAX];
char *pd; /* pointer to device name without '/dev/' prefix, e.g. 'da0'*/
if (3 < (nparam = num_param(param)))
return SYSINFO_RET_FAIL;
if (0 != get_param(param, 1, devname, sizeof(devname)))
return SYSINFO_RET_FAIL;
pd = devname;
if ('\0' != *pd)
{
if (0 == strcmp(pd, "all"))
*pd = '\0';
else
{
/* skip prefix ZBX_DEV_PFX, if present */
if (0 == strncmp(pd, ZBX_DEV_PFX, sizeof(ZBX_DEV_PFX) - 1))
pd += sizeof(ZBX_DEV_PFX) - 1;
}
}
if (0 != get_param(param, 2, tmp, sizeof(tmp)))
*tmp = '\0';
if ('\0' == *tmp || 0 == strcmp(tmp, "bps")) /* default parameter */
type = ZBX_DSTAT_TYPE_BPS;
else if (0 == strcmp(tmp, "ops"))
type = ZBX_DSTAT_TYPE_OPS;
else if (0 == strcmp(tmp, "bytes"))
type = ZBX_DSTAT_TYPE_BYTE;
else if (0 == strcmp(tmp, "operations"))
type = ZBX_DSTAT_TYPE_OPER;
else
return SYSINFO_RET_FAIL;
if (type == ZBX_DSTAT_TYPE_BYTE || type == ZBX_DSTAT_TYPE_OPER)
{
if (nparam > 2)
return SYSINFO_RET_FAIL;
if (FAIL == get_diskstat(pd, dstats))
return SYSINFO_RET_FAIL;
if (ZBX_DSTAT_TYPE_BYTE == type)
SET_UI64_RESULT(result, dstats[(ZBX_DEV_READ == rw ? ZBX_DSTAT_R_BYTE : ZBX_DSTAT_W_BYTE)]);
else /* ZBX_DSTAT_TYPE_OPER */
SET_UI64_RESULT(result, dstats[(ZBX_DEV_READ == rw ? ZBX_DSTAT_R_OPER : ZBX_DSTAT_W_OPER)]);
return SYSINFO_RET_OK;
}
if (0 != get_param(param, 3, tmp, sizeof(tmp)))
*tmp = '\0';
if ('\0' == *tmp || 0 == strcmp(tmp, "avg1")) /* default parameter */
mode = ZBX_AVG1;
else if (0 == strcmp(tmp, "avg5"))
mode = ZBX_AVG5;
else if (0 == strcmp(tmp, "avg15"))
mode = ZBX_AVG15;
else
return SYSINFO_RET_FAIL;
if (0 == DISKDEVICE_COLLECTOR_STARTED(collector))
{
SET_MSG_RESULT(result, strdup("Collector is not started!"));
return SYSINFO_RET_FAIL;
}
if (NULL == (device = collector_diskdevice_get(pd)))
{
if (FAIL == get_diskstat(pd, dstats)) /* validate device name */
return SYSINFO_RET_FAIL;
if (NULL == (device = collector_diskdevice_add(pd)))
return SYSINFO_RET_FAIL;
}
if (ZBX_DSTAT_TYPE_BPS == type) /* default parameter */
SET_DBL_RESULT(result, (ZBX_DEV_READ == rw ? device->r_bps[mode] : device->w_bps[mode]));
else if (ZBX_DSTAT_TYPE_OPS == type)
SET_DBL_RESULT(result, (ZBX_DEV_READ == rw ? device->r_ops[mode] : device->w_ops[mode]));
return SYSINFO_RET_OK;
}
