C++ (Cpp) ngx_http_statsd_key_value Examples

Example #1

File: ngx_http_statsd.c Project: JarvusInnovations/nginx-statsd

// added to provide string value of set metric
static ngx_str_t ngx_http_statsd_set_get_value(ngx_http_request_t *r, ngx_http_complex_value_t *cv, ngx_str_t v) {
    ngx_str_t val;
    if (cv == NULL) {
        return v;
    }

    if (ngx_http_complex_value(r, cv, &val) != NGX_OK) {
        return (ngx_str_t) ngx_null_string;
    };

    return ngx_http_statsd_key_value(&val);
};

Example #2

File: ngx_http_statsd.c Project: CodeWire/nginx-statsd

static char *
ngx_http_statsd_add_stat(ngx_conf_t *cf, ngx_command_t *cmd, void *conf, ngx_uint_t type) {
    ngx_http_statsd_conf_t      		*ulcf = conf;
	ngx_http_complex_value_t			key_cv;
	ngx_http_compile_complex_value_t    key_ccv;
	ngx_http_complex_value_t			metric_cv;
	ngx_http_compile_complex_value_t    metric_ccv;
	ngx_http_complex_value_t			valid_cv;
	ngx_http_compile_complex_value_t    valid_ccv;
    ngx_str_t                   		*value;
	ngx_statsd_stat_t 					*stat;
	ngx_int_t							n;
	ngx_str_t							s;
	ngx_flag_t							b;

    value = cf->args->elts;

	if (ulcf->stats == NULL) {
		ulcf->stats = ngx_array_create(cf->pool, 10, sizeof(ngx_statsd_stat_t));
		if (ulcf->stats == NULL) {
        	return NGX_CONF_ERROR;
		}
	}

	stat = ngx_array_push(ulcf->stats);
	if (stat == NULL) {
    	return NGX_CONF_ERROR;
	}

	ngx_memzero(stat, sizeof(ngx_statsd_stat_t));

	stat->type = type;
	stat->valid = 1;

	ngx_memzero(&key_ccv, sizeof(ngx_http_compile_complex_value_t));
	key_ccv.cf = cf;
	key_ccv.value = &value[1];
	key_ccv.complex_value = &key_cv;

	if (ngx_http_compile_complex_value(&key_ccv) != NGX_OK) {
		return NGX_CONF_ERROR;
	}

	if (key_cv.lengths == NULL) {
		s = ngx_http_statsd_key_value(&value[1]);
		/*if (n < 0) {
			ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "invalid parameter \"%V\"", &value[2]);
			return NGX_CONF_ERROR;
		};*/
		stat->key = (ngx_str_t) s;
	} else {
		stat->ckey = ngx_palloc(cf->pool, sizeof(ngx_http_complex_value_t));
		if (stat->ckey == NULL) {
			return NGX_CONF_ERROR;
		}
		*stat->ckey = key_cv;
	}

	ngx_memzero(&metric_ccv, sizeof(ngx_http_compile_complex_value_t));
	metric_ccv.cf = cf;
	metric_ccv.value = &value[2];
	metric_ccv.complex_value = &metric_cv;

	if (ngx_http_compile_complex_value(&metric_ccv) != NGX_OK) {
		return NGX_CONF_ERROR;
	}

	if (metric_cv.lengths == NULL) {
		n = ngx_http_statsd_metric_value(&value[2]);
		if (n < 0) {
			ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "invalid parameter \"%V\"", &value[2]);
			return NGX_CONF_ERROR;
		};
		stat->metric = (ngx_uint_t) n;
	} else {
		stat->cmetric = ngx_palloc(cf->pool, sizeof(ngx_http_complex_value_t));
		if (stat->cmetric == NULL) {
			return NGX_CONF_ERROR;
		}
		*stat->cmetric = metric_cv;
	}

	if (cf->args->nelts > 3) {
		ngx_memzero(&valid_ccv, sizeof(ngx_http_compile_complex_value_t));
		valid_ccv.cf = cf;
		valid_ccv.value = &value[3];
		valid_ccv.complex_value = &valid_cv;

		if (ngx_http_compile_complex_value(&valid_ccv) != NGX_OK) {
			return NGX_CONF_ERROR;
		}

		if (valid_cv.lengths == NULL) {
			b = ngx_http_statsd_valid_value(&value[3]);
			if (b < 0) {
				ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "invalid parameter \"%V\"", &value[3]);
				return NGX_CONF_ERROR;
			};
			stat->valid = (ngx_flag_t) b;
		} else {
			stat->cvalid = ngx_palloc(cf->pool, sizeof(ngx_http_complex_value_t));
			if (stat->cvalid == NULL) {
				return NGX_CONF_ERROR;
			}
			*stat->cvalid = valid_cv;
		}
	}

	return NGX_CONF_OK; 
}