Class: CMetrics::Counter

Inherits:
Object
  • Object
show all
Defined in:
ext/cmetrics/cmetrics_counter.c

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Counter

Initailize Counter class.



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# File 'ext/cmetrics/cmetrics_counter.c', line 86

static VALUE
rb_cmetrics_counter_initialize(VALUE self)
{
    struct CMetricsCounter* cmetricsCounter;

    TypedData_Get_Struct(
            self, struct CMetricsCounter, &rb_cmetrics_counter_type, cmetricsCounter);

    cmt_initialize();

    cmetricsCounter->instance = cmt_create();
    cmetricsCounter->counter = NULL;

    return Qnil;
}

Instance Method Details

#add(*args) ⇒ Boolean

Add value into counter.

Returns:

  • (Boolean) 


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# File 'ext/cmetrics/cmetrics_counter.c', line 350

static VALUE
rb_cmetrics_counter_add(int argc, VALUE* argv, VALUE self)
{
    VALUE rb_labels, rb_num;
    struct CMetricsCounter* cmetricsCounter;
    uint64_t ts;
    int ret = 0;
    double value = 0;
    char **labels = NULL;
    int labels_count = 0;
    VALUE tmp_label;
    long i;

    TypedData_Get_Struct(
            self, struct CMetricsCounter, &rb_cmetrics_counter_type, cmetricsCounter);

    if (!cmetricsCounter->counter) {
        rb_raise(rb_eRuntimeError, "Create counter with CMetrics::Counter#create first.");
    }

    rb_scan_args(argc, argv, "11", &rb_num, &rb_labels);

    switch(TYPE(rb_num)) {
    case T_FLOAT:
    case T_FIXNUM:
    case T_BIGNUM:
    case T_RATIONAL:
        value = NUM2DBL(rb_num);
        break;
    default:
        rb_raise(rb_eArgError, "CMetrics::Counter#add can handle numerics values only.");
    }


    ts = cmt_time_now();
    if (!NIL_P(rb_labels)) {
        switch(TYPE(rb_labels)) {
        case T_STRING:
            labels = (char *[]) { StringValuePtr(rb_labels) };
            labels_count = 1;
            ret = cmt_counter_add(cmetricsCounter->counter, ts, value,
                                  labels_count, labels);
            break;
        case T_SYMBOL:
            labels = (char *[]) { RSTRING_PTR(rb_sym2str(rb_labels)) };
            labels_count = 1;
            ret = cmt_counter_add(cmetricsCounter->counter, ts, value,
                                  labels_count, labels);
            break;
        case T_ARRAY:
            labels_count = (int)RARRAY_LEN(rb_labels);
            labels = ALLOCV_N(char *, tmp_label, labels_count);
            for (i = 0; i < labels_count; i++) {
                VALUE item = RARRAY_AREF(rb_labels, i);
                switch(TYPE(item)) {
                case T_SYMBOL:
                    labels[i] = RSTRING_PTR(rb_sym2str(item));
                    break;
                case T_STRING:
                    labels[i] = StringValuePtr(item);
                    break;
                default:
                    rb_raise(rb_eArgError, "labels must be Symbol/String");
                }
            }
            ret = cmt_counter_add(cmetricsCounter->counter, ts, value,
                                  labels_count, labels);

            ALLOCV_END(tmp_label);

            break;
        default:
            rb_raise(rb_eArgError, "labels should be String, Symbol or Array class instance.");
        }
    } else {
        ret = cmt_counter_add(cmetricsCounter->counter, ts, value,
                              labels_count, labels);
    }

    if (ret == 0) {
        return Qtrue;
    } else {
        return Qfalse;
    }
}

#add_label(rb_key, rb_value) ⇒ Boolean

Set label into counter.

Returns:

  • (Boolean) 


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# File 'ext/cmetrics/cmetrics_counter.c', line 534

static VALUE
rb_cmetrics_counter_add_label(VALUE self, VALUE rb_key, VALUE rb_value)
{
    struct CMetricsCounter* cmetricsCounter;
    char *key, *value;
    int ret = 0;

    TypedData_Get_Struct(
            self, struct CMetricsCounter, &rb_cmetrics_counter_type, cmetricsCounter);

    if (!cmetricsCounter->counter) {
        rb_raise(rb_eRuntimeError, "Create counter with CMetrics::Counter#create first.");
    }

    switch(TYPE(rb_key)) {
    case T_STRING:
        key = StringValuePtr(rb_key);
        break;
    case T_SYMBOL:
        key = RSTRING_PTR(rb_sym2str(rb_key));
        break;
    default:
        rb_raise(rb_eArgError, "key should be String or Symbol class instance.");
    }

    switch(TYPE(rb_value)) {
    case T_STRING:
        value = StringValuePtr(rb_value);
        break;
    case T_SYMBOL:
        value = RSTRING_PTR(rb_sym2str(rb_value));
        break;
    default:
        rb_raise(rb_eArgError, "value should be String or Symbol class instance.");
    }
    ret = cmt_label_add(cmetricsCounter->instance, key, value);

    if (ret == 0) {
        return Qtrue;
    } else {
        return Qfalse;
    }
}

#create(*args) ⇒ Object

Create counter.



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# File 'ext/cmetrics/cmetrics_counter.c', line 106

static VALUE
rb_cmetrics_counter_create(int argc, VALUE* argv, VALUE self)
{
    VALUE rb_namespace, rb_subsystem, rb_name, rb_help, rb_labels;
    struct CMetricsCounter* cmetricsCounter;
    char **labels = NULL;
    int labels_count = 0;
    VALUE tmp_label;
    long i;

    TypedData_Get_Struct(
            self, struct CMetricsCounter, &rb_cmetrics_counter_type, cmetricsCounter);

    rb_scan_args(argc, argv, "41", &rb_namespace, &rb_subsystem, &rb_name, &rb_help, &rb_labels);

    Check_Type(rb_namespace, T_STRING);
    Check_Type(rb_subsystem, T_STRING);
    Check_Type(rb_name, T_STRING);
    Check_Type(rb_help, T_STRING);

    if (!NIL_P(rb_labels)) {
        switch(TYPE(rb_labels)) {
        case T_STRING:
            labels = (char *[]) { StringValuePtr(rb_labels) };
            labels_count = 1;
            cmetricsCounter->counter = cmt_counter_create(cmetricsCounter->instance,
                                                          StringValuePtr(rb_namespace),
                                                          StringValuePtr(rb_subsystem),
                                                          StringValuePtr(rb_name),
                                                          StringValuePtr(rb_help),
                                                          labels_count, labels);
            break;
        case T_SYMBOL:
            labels = (char *[]) { RSTRING_PTR(rb_sym2str(rb_labels)) };
            labels_count = 1;
            cmetricsCounter->counter = cmt_counter_create(cmetricsCounter->instance,
                                                          StringValuePtr(rb_namespace),
                                                          StringValuePtr(rb_subsystem),
                                                          StringValuePtr(rb_name),
                                                          StringValuePtr(rb_help),
                                                          labels_count, labels);
            break;
        case T_ARRAY:
            labels_count = (int)RARRAY_LEN(rb_labels);
            labels = ALLOCV_N(char *, tmp_label, labels_count);
            for (i = 0; i < labels_count; i++) {
                VALUE item = RARRAY_AREF(rb_labels, i);
                switch(TYPE(item)) {
                case T_SYMBOL:
                    labels[i] = RSTRING_PTR(rb_sym2str(item));
                    break;
                case T_STRING:
                    labels[i] = StringValuePtr(item);
                    break;
                default:
                    rb_raise(rb_eArgError, "labels must be Symbol/String");
                }
            }
            cmetricsCounter->counter = cmt_counter_create(cmetricsCounter->instance,
                                                          StringValuePtr(rb_namespace),
                                                          StringValuePtr(rb_subsystem),
                                                          StringValuePtr(rb_name),
                                                          StringValuePtr(rb_help),
                                                          labels_count, labels);

            ALLOCV_END(tmp_label);
            break;
        default:
            rb_raise(rb_eArgError, "labels should be String, Symbol or Array class instance.");
        }
    } else {
        cmetricsCounter->counter = cmt_counter_create(cmetricsCounter->instance,
                                                      StringValuePtr(rb_namespace),
                                                      StringValuePtr(rb_subsystem),
                                                      StringValuePtr(rb_name),
                                                      StringValuePtr(rb_help),
                                                      labels_count, labels);
    }

    return Qnil;
}

#get_value(*args) ⇒ Object 



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# File 'ext/cmetrics/cmetrics_counter.c', line 269

static VALUE
rb_cmetrics_counter_get_value(int argc, VALUE* argv, VALUE self)
{
    VALUE rb_labels;
    struct CMetricsCounter* cmetricsCounter;
    int ret = 0;
    double value = 0;
    char **labels = NULL;
    int labels_count = 0;
    VALUE tmp_label;
    long i;

    TypedData_Get_Struct(
            self, struct CMetricsCounter, &rb_cmetrics_counter_type, cmetricsCounter);

    if (!cmetricsCounter->counter) {
        rb_raise(rb_eRuntimeError, "Create counter with CMetrics::Counter#create first.");
    }

    rb_scan_args(argc, argv, "01", &rb_labels);

    if (!NIL_P(rb_labels)) {
        switch(TYPE(rb_labels)) {
        case T_STRING:
            labels = (char *[]) { StringValuePtr(rb_labels) };
            labels_count = 1;

            ret = cmt_counter_get_val(cmetricsCounter->counter,
                                      labels_count, labels, &value);
            break;
        case T_SYMBOL:
            labels = (char *[]) { RSTRING_PTR(rb_sym2str(rb_labels)) };
            labels_count = 1;

            ret = cmt_counter_get_val(cmetricsCounter->counter,
                                      labels_count, labels, &value);
            break;
        case T_ARRAY:
            labels_count = (int)RARRAY_LEN(rb_labels);
            labels = ALLOCV_N(char *, tmp_label, labels_count);
            for (i = 0; i < labels_count; i++) {
                VALUE item = RARRAY_AREF(rb_labels, i);
                switch(TYPE(item)) {
                case T_SYMBOL:
                    labels[i] = RSTRING_PTR(rb_sym2str(item));
                    break;
                case T_STRING:
                    labels[i] = StringValuePtr(item);
                    break;
                default:
                    rb_raise(rb_eArgError, "labels must be Symbol/String");
                }
            }

            ret = cmt_counter_get_val(cmetricsCounter->counter,
                                      labels_count, labels, &value);

            ALLOCV_END(tmp_label);

            break;
        default:
            rb_raise(rb_eArgError, "labels should be String, Symbol or Array class instance.");
        }
    } else {
        ret = cmt_counter_get_val(cmetricsCounter->counter,
                                  labels_count, labels, &value);
    }

    if (ret == 0) {
        return DBL2NUM(value);
    } else {
        return Qnil;
    }
}

#inc(*args) ⇒ Boolean

Just increment counter.

Returns:

  • (Boolean) 


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# File 'ext/cmetrics/cmetrics_counter.c', line 194

static VALUE
rb_cmetrics_counter_increment(int argc, VALUE* argv, VALUE self)
{
    VALUE rb_labels;
    struct CMetricsCounter* cmetricsCounter;
    uint64_t ts;
    int ret = 0;
    char **labels = NULL;
    int labels_count = 0;
    VALUE tmp_label;
    long i;

    TypedData_Get_Struct(
            self, struct CMetricsCounter, &rb_cmetrics_counter_type, cmetricsCounter);

    if (!cmetricsCounter->counter) {
        rb_raise(rb_eRuntimeError, "Create counter with CMetrics::Counter#create first.");
    }

    rb_scan_args(argc, argv, "01", &rb_labels);

    ts = cmt_time_now();
    if (!NIL_P(rb_labels)) {
        switch(TYPE(rb_labels)) {
        case T_STRING:
            labels = (char *[]) { StringValuePtr(rb_labels) };
            labels_count = 1;

            ret = cmt_counter_inc(cmetricsCounter->counter, ts,
                                  labels_count, labels);
            break;
        case T_SYMBOL:
            labels = (char *[]) { RSTRING_PTR(rb_sym2str(rb_labels)) };
            labels_count = 1;

            ret = cmt_counter_inc(cmetricsCounter->counter, ts,
                                  labels_count, labels);
            break;
        case T_ARRAY:
            labels_count = (int)RARRAY_LEN(rb_labels);
            labels = ALLOCV_N(char *, tmp_label, labels_count);
            for (i = 0; i < labels_count; i++) {
                VALUE item = RARRAY_AREF(rb_labels, i);
                switch(TYPE(item)) {
                case T_SYMBOL:
                    labels[i] = RSTRING_PTR(rb_sym2str(item));
                    break;
                case T_STRING:
                    labels[i] = StringValuePtr(item);
                    break;
                default:
                    rb_raise(rb_eArgError, "labels must be Symbol/String");
                }
            }
            ret = cmt_counter_inc(cmetricsCounter->counter, ts,
                                  labels_count, labels);

            ALLOCV_END(tmp_label);

            break;
        default:
            rb_raise(rb_eArgError, "labels should be String, Symbol or Array class instance.");
        }
    } else {
        ret = cmt_counter_inc(cmetricsCounter->counter, ts,
                              labels_count, labels);
    }

    if (ret == 0) {
        return Qtrue;
    } else {
        return Qfalse;
    }
}

#increment(*args) ⇒ Boolean

Just increment counter.

Returns:

  • (Boolean) 


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# File 'ext/cmetrics/cmetrics_counter.c', line 194

static VALUE
rb_cmetrics_counter_increment(int argc, VALUE* argv, VALUE self)
{
    VALUE rb_labels;
    struct CMetricsCounter* cmetricsCounter;
    uint64_t ts;
    int ret = 0;
    char **labels = NULL;
    int labels_count = 0;
    VALUE tmp_label;
    long i;

    TypedData_Get_Struct(
            self, struct CMetricsCounter, &rb_cmetrics_counter_type, cmetricsCounter);

    if (!cmetricsCounter->counter) {
        rb_raise(rb_eRuntimeError, "Create counter with CMetrics::Counter#create first.");
    }

    rb_scan_args(argc, argv, "01", &rb_labels);

    ts = cmt_time_now();
    if (!NIL_P(rb_labels)) {
        switch(TYPE(rb_labels)) {
        case T_STRING:
            labels = (char *[]) { StringValuePtr(rb_labels) };
            labels_count = 1;

            ret = cmt_counter_inc(cmetricsCounter->counter, ts,
                                  labels_count, labels);
            break;
        case T_SYMBOL:
            labels = (char *[]) { RSTRING_PTR(rb_sym2str(rb_labels)) };
            labels_count = 1;

            ret = cmt_counter_inc(cmetricsCounter->counter, ts,
                                  labels_count, labels);
            break;
        case T_ARRAY:
            labels_count = (int)RARRAY_LEN(rb_labels);
            labels = ALLOCV_N(char *, tmp_label, labels_count);
            for (i = 0; i < labels_count; i++) {
                VALUE item = RARRAY_AREF(rb_labels, i);
                switch(TYPE(item)) {
                case T_SYMBOL:
                    labels[i] = RSTRING_PTR(rb_sym2str(item));
                    break;
                case T_STRING:
                    labels[i] = StringValuePtr(item);
                    break;
                default:
                    rb_raise(rb_eArgError, "labels must be Symbol/String");
                }
            }
            ret = cmt_counter_inc(cmetricsCounter->counter, ts,
                                  labels_count, labels);

            ALLOCV_END(tmp_label);

            break;
        default:
            rb_raise(rb_eArgError, "labels should be String, Symbol or Array class instance.");
        }
    } else {
        ret = cmt_counter_inc(cmetricsCounter->counter, ts,
                              labels_count, labels);
    }

    if (ret == 0) {
        return Qtrue;
    } else {
        return Qfalse;
    }
}

#set(*args) ⇒ Boolean

Set value into counter.

Returns:

  • (Boolean) 


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# File 'ext/cmetrics/cmetrics_counter.c', line 442

static VALUE
rb_cmetrics_counter_set(int argc, VALUE* argv, VALUE self)
{
    VALUE rb_labels, rb_num;
    struct CMetricsCounter* cmetricsCounter;
    uint64_t ts;
    int ret = 0;
    double value = 0;
    char **labels = NULL;
    int labels_count = 0;
    VALUE tmp_label;
    long i;

    TypedData_Get_Struct(
            self, struct CMetricsCounter, &rb_cmetrics_counter_type, cmetricsCounter);

    if (!cmetricsCounter->counter) {
        rb_raise(rb_eRuntimeError, "Create counter with CMetrics::Counter#create first.");
    }

    rb_scan_args(argc, argv, "11", &rb_num, &rb_labels);

    switch(TYPE(rb_num)) {
    case T_FLOAT:
    case T_FIXNUM:
    case T_BIGNUM:
    case T_RATIONAL:
        value = NUM2DBL(rb_num);
        break;
    default:
        rb_raise(rb_eArgError, "CMetrics::Counter#set can handle numerics values only.");
    }

    ts = cmt_time_now();
    if (!NIL_P(rb_labels)) {
        switch(TYPE(rb_labels)) {
        case T_STRING:
            labels = (char *[]) { StringValuePtr(rb_labels) };
            labels_count = 1;
            ret = cmt_counter_set(cmetricsCounter->counter, ts, value,
                                  labels_count, labels);
            break;
        case T_SYMBOL:
            labels = (char *[]) { RSTRING_PTR(rb_sym2str(rb_labels)) };
            labels_count = 1;
            ret = cmt_counter_set(cmetricsCounter->counter, ts, value,
                                  labels_count, labels);
            break;
        case T_ARRAY:
            labels_count = (int)RARRAY_LEN(rb_labels);
            labels = ALLOCV_N(char *, tmp_label, labels_count);
            for (i = 0; i < labels_count; i++) {
                VALUE item = RARRAY_AREF(rb_labels, i);
                switch(TYPE(item)) {
                case T_SYMBOL:
                    labels[i] = RSTRING_PTR(rb_sym2str(item));
                    break;
                case T_STRING:
                    labels[i] = StringValuePtr(item);
                    break;
                default:
                    rb_raise(rb_eArgError, "labels must be Symbol/String");
                }
            }

            ret = cmt_counter_set(cmetricsCounter->counter, ts, value,
                                  labels_count, labels);

            ALLOCV_END(tmp_label);

            break;
        default:
            rb_raise(rb_eArgError, "labels should be String, Symbol or Array class instance.");
        }
    } else {
        ret = cmt_counter_set(cmetricsCounter->counter, ts, value,
                              labels_count, labels);
    }

    if (ret == 0) {
        return Qtrue;
    } else {
        return Qfalse;
    }
}

#to_influx ⇒ Object 



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# File 'ext/cmetrics/cmetrics_counter.c', line 597

static VALUE
rb_cmetrics_counter_to_influx(VALUE self)
{
    struct CMetricsCounter* cmetricsCounter;
    cmt_sds_t prom;
    VALUE str;

    TypedData_Get_Struct(
            self, struct CMetricsCounter, &rb_cmetrics_counter_type, cmetricsCounter);

    prom = cmt_encode_influx_create(cmetricsCounter->instance);

    str = rb_str_new2(prom);

    cmt_encode_influx_destroy(prom);

    return str;
}

#to_msgpack ⇒ Object 



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# File 'ext/cmetrics/cmetrics_counter.c', line 616

static VALUE
rb_cmetrics_counter_to_msgpack(VALUE self)
{
    struct CMetricsCounter* cmetricsCounter;
    char *buffer;
    size_t buffer_size;
    int ret = 0;

    TypedData_Get_Struct(
            self, struct CMetricsCounter, &rb_cmetrics_counter_type, cmetricsCounter);

    ret = cmt_encode_msgpack_create(cmetricsCounter->instance, &buffer, &buffer_size);

    if (ret == 0) {
        return rb_str_new(buffer, buffer_size);
    } else {
        return Qnil;
    }
}

#to_prometheus ⇒ Object 



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# File 'ext/cmetrics/cmetrics_counter.c', line 578

static VALUE
rb_cmetrics_counter_to_prometheus(VALUE self)
{
    struct CMetricsCounter* cmetricsCounter;
    cmt_sds_t prom;
    VALUE str;

    TypedData_Get_Struct(
            self, struct CMetricsCounter, &rb_cmetrics_counter_type, cmetricsCounter);

    prom = cmt_encode_prometheus_create(cmetricsCounter->instance, CMT_TRUE);

    str = rb_str_new2(prom);

    cmt_encode_prometheus_destroy(prom);

    return str;
}

#to_s ⇒ Object 



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# File 'ext/cmetrics/cmetrics_counter.c', line 636

static VALUE
rb_cmetrics_counter_to_text(VALUE self)
{
    struct CMetricsCounter* cmetricsCounter;
    cmt_sds_t buffer;
    VALUE text;

    TypedData_Get_Struct(
            self, struct CMetricsCounter, &rb_cmetrics_counter_type, cmetricsCounter);

    buffer = cmt_encode_text_create(cmetricsCounter->instance);
    if (buffer == NULL) {
        return Qnil;
    }

    text = rb_str_new2(buffer);

    cmt_sds_destroy(buffer);

    return text;
}

#val(*args) ⇒ Object 



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# File 'ext/cmetrics/cmetrics_counter.c', line 269

static VALUE
rb_cmetrics_counter_get_value(int argc, VALUE* argv, VALUE self)
{
    VALUE rb_labels;
    struct CMetricsCounter* cmetricsCounter;
    int ret = 0;
    double value = 0;
    char **labels = NULL;
    int labels_count = 0;
    VALUE tmp_label;
    long i;

    TypedData_Get_Struct(
            self, struct CMetricsCounter, &rb_cmetrics_counter_type, cmetricsCounter);

    if (!cmetricsCounter->counter) {
        rb_raise(rb_eRuntimeError, "Create counter with CMetrics::Counter#create first.");
    }

    rb_scan_args(argc, argv, "01", &rb_labels);

    if (!NIL_P(rb_labels)) {
        switch(TYPE(rb_labels)) {
        case T_STRING:
            labels = (char *[]) { StringValuePtr(rb_labels) };
            labels_count = 1;

            ret = cmt_counter_get_val(cmetricsCounter->counter,
                                      labels_count, labels, &value);
            break;
        case T_SYMBOL:
            labels = (char *[]) { RSTRING_PTR(rb_sym2str(rb_labels)) };
            labels_count = 1;

            ret = cmt_counter_get_val(cmetricsCounter->counter,
                                      labels_count, labels, &value);
            break;
        case T_ARRAY:
            labels_count = (int)RARRAY_LEN(rb_labels);
            labels = ALLOCV_N(char *, tmp_label, labels_count);
            for (i = 0; i < labels_count; i++) {
                VALUE item = RARRAY_AREF(rb_labels, i);
                switch(TYPE(item)) {
                case T_SYMBOL:
                    labels[i] = RSTRING_PTR(rb_sym2str(item));
                    break;
                case T_STRING:
                    labels[i] = StringValuePtr(item);
                    break;
                default:
                    rb_raise(rb_eArgError, "labels must be Symbol/String");
                }
            }

            ret = cmt_counter_get_val(cmetricsCounter->counter,
                                      labels_count, labels, &value);

            ALLOCV_END(tmp_label);

            break;
        default:
            rb_raise(rb_eArgError, "labels should be String, Symbol or Array class instance.");
        }
    } else {
        ret = cmt_counter_get_val(cmetricsCounter->counter,
                                  labels_count, labels, &value);
    }

    if (ret == 0) {
        return DBL2NUM(value);
    } else {
        return Qnil;
    }
}

#val=(*args) ⇒ Boolean

Set value into counter.

Returns:

  • (Boolean) 


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# File 'ext/cmetrics/cmetrics_counter.c', line 442

static VALUE
rb_cmetrics_counter_set(int argc, VALUE* argv, VALUE self)
{
    VALUE rb_labels, rb_num;
    struct CMetricsCounter* cmetricsCounter;
    uint64_t ts;
    int ret = 0;
    double value = 0;
    char **labels = NULL;
    int labels_count = 0;
    VALUE tmp_label;
    long i;

    TypedData_Get_Struct(
            self, struct CMetricsCounter, &rb_cmetrics_counter_type, cmetricsCounter);

    if (!cmetricsCounter->counter) {
        rb_raise(rb_eRuntimeError, "Create counter with CMetrics::Counter#create first.");
    }

    rb_scan_args(argc, argv, "11", &rb_num, &rb_labels);

    switch(TYPE(rb_num)) {
    case T_FLOAT:
    case T_FIXNUM:
    case T_BIGNUM:
    case T_RATIONAL:
        value = NUM2DBL(rb_num);
        break;
    default:
        rb_raise(rb_eArgError, "CMetrics::Counter#set can handle numerics values only.");
    }

    ts = cmt_time_now();
    if (!NIL_P(rb_labels)) {
        switch(TYPE(rb_labels)) {
        case T_STRING:
            labels = (char *[]) { StringValuePtr(rb_labels) };
            labels_count = 1;
            ret = cmt_counter_set(cmetricsCounter->counter, ts, value,
                                  labels_count, labels);
            break;
        case T_SYMBOL:
            labels = (char *[]) { RSTRING_PTR(rb_sym2str(rb_labels)) };
            labels_count = 1;
            ret = cmt_counter_set(cmetricsCounter->counter, ts, value,
                                  labels_count, labels);
            break;
        case T_ARRAY:
            labels_count = (int)RARRAY_LEN(rb_labels);
            labels = ALLOCV_N(char *, tmp_label, labels_count);
            for (i = 0; i < labels_count; i++) {
                VALUE item = RARRAY_AREF(rb_labels, i);
                switch(TYPE(item)) {
                case T_SYMBOL:
                    labels[i] = RSTRING_PTR(rb_sym2str(item));
                    break;
                case T_STRING:
                    labels[i] = StringValuePtr(item);
                    break;
                default:
                    rb_raise(rb_eArgError, "labels must be Symbol/String");
                }
            }

            ret = cmt_counter_set(cmetricsCounter->counter, ts, value,
                                  labels_count, labels);

            ALLOCV_END(tmp_label);

            break;
        default:
            rb_raise(rb_eArgError, "labels should be String, Symbol or Array class instance.");
        }
    } else {
        ret = cmt_counter_set(cmetricsCounter->counter, ts, value,
                              labels_count, labels);
    }

    if (ret == 0) {
        return Qtrue;
    } else {
        return Qfalse;
    }
}

#value(*args) ⇒ Object 



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# File 'ext/cmetrics/cmetrics_counter.c', line 269

static VALUE
rb_cmetrics_counter_get_value(int argc, VALUE* argv, VALUE self)
{
    VALUE rb_labels;
    struct CMetricsCounter* cmetricsCounter;
    int ret = 0;
    double value = 0;
    char **labels = NULL;
    int labels_count = 0;
    VALUE tmp_label;
    long i;

    TypedData_Get_Struct(
            self, struct CMetricsCounter, &rb_cmetrics_counter_type, cmetricsCounter);

    if (!cmetricsCounter->counter) {
        rb_raise(rb_eRuntimeError, "Create counter with CMetrics::Counter#create first.");
    }

    rb_scan_args(argc, argv, "01", &rb_labels);

    if (!NIL_P(rb_labels)) {
        switch(TYPE(rb_labels)) {
        case T_STRING:
            labels = (char *[]) { StringValuePtr(rb_labels) };
            labels_count = 1;

            ret = cmt_counter_get_val(cmetricsCounter->counter,
                                      labels_count, labels, &value);
            break;
        case T_SYMBOL:
            labels = (char *[]) { RSTRING_PTR(rb_sym2str(rb_labels)) };
            labels_count = 1;

            ret = cmt_counter_get_val(cmetricsCounter->counter,
                                      labels_count, labels, &value);
            break;
        case T_ARRAY:
            labels_count = (int)RARRAY_LEN(rb_labels);
            labels = ALLOCV_N(char *, tmp_label, labels_count);
            for (i = 0; i < labels_count; i++) {
                VALUE item = RARRAY_AREF(rb_labels, i);
                switch(TYPE(item)) {
                case T_SYMBOL:
                    labels[i] = RSTRING_PTR(rb_sym2str(item));
                    break;
                case T_STRING:
                    labels[i] = StringValuePtr(item);
                    break;
                default:
                    rb_raise(rb_eArgError, "labels must be Symbol/String");
                }
            }

            ret = cmt_counter_get_val(cmetricsCounter->counter,
                                      labels_count, labels, &value);

            ALLOCV_END(tmp_label);

            break;
        default:
            rb_raise(rb_eArgError, "labels should be String, Symbol or Array class instance.");
        }
    } else {
        ret = cmt_counter_get_val(cmetricsCounter->counter,
                                  labels_count, labels, &value);
    }

    if (ret == 0) {
        return DBL2NUM(value);
    } else {
        return Qnil;
    }
}

#value=(*args) ⇒ Boolean

Set value into counter.

Returns:

  • (Boolean) 


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# File 'ext/cmetrics/cmetrics_counter.c', line 442

static VALUE
rb_cmetrics_counter_set(int argc, VALUE* argv, VALUE self)
{
    VALUE rb_labels, rb_num;
    struct CMetricsCounter* cmetricsCounter;
    uint64_t ts;
    int ret = 0;
    double value = 0;
    char **labels = NULL;
    int labels_count = 0;
    VALUE tmp_label;
    long i;

    TypedData_Get_Struct(
            self, struct CMetricsCounter, &rb_cmetrics_counter_type, cmetricsCounter);

    if (!cmetricsCounter->counter) {
        rb_raise(rb_eRuntimeError, "Create counter with CMetrics::Counter#create first.");
    }

    rb_scan_args(argc, argv, "11", &rb_num, &rb_labels);

    switch(TYPE(rb_num)) {
    case T_FLOAT:
    case T_FIXNUM:
    case T_BIGNUM:
    case T_RATIONAL:
        value = NUM2DBL(rb_num);
        break;
    default:
        rb_raise(rb_eArgError, "CMetrics::Counter#set can handle numerics values only.");
    }

    ts = cmt_time_now();
    if (!NIL_P(rb_labels)) {
        switch(TYPE(rb_labels)) {
        case T_STRING:
            labels = (char *[]) { StringValuePtr(rb_labels) };
            labels_count = 1;
            ret = cmt_counter_set(cmetricsCounter->counter, ts, value,
                                  labels_count, labels);
            break;
        case T_SYMBOL:
            labels = (char *[]) { RSTRING_PTR(rb_sym2str(rb_labels)) };
            labels_count = 1;
            ret = cmt_counter_set(cmetricsCounter->counter, ts, value,
                                  labels_count, labels);
            break;
        case T_ARRAY:
            labels_count = (int)RARRAY_LEN(rb_labels);
            labels = ALLOCV_N(char *, tmp_label, labels_count);
            for (i = 0; i < labels_count; i++) {
                VALUE item = RARRAY_AREF(rb_labels, i);
                switch(TYPE(item)) {
                case T_SYMBOL:
                    labels[i] = RSTRING_PTR(rb_sym2str(item));
                    break;
                case T_STRING:
                    labels[i] = StringValuePtr(item);
                    break;
                default:
                    rb_raise(rb_eArgError, "labels must be Symbol/String");
                }
            }

            ret = cmt_counter_set(cmetricsCounter->counter, ts, value,
                                  labels_count, labels);

            ALLOCV_END(tmp_label);

            break;
        default:
            rb_raise(rb_eArgError, "labels should be String, Symbol or Array class instance.");
        }
    } else {
        ret = cmt_counter_set(cmetricsCounter->counter, ts, value,
                              labels_count, labels);
    }

    if (ret == 0) {
        return Qtrue;
    } else {
        return Qfalse;
    }
}