Class: Agoo::Response

Inherits:
Object
  • Object
show all
Defined in:
ext/agoo/response.c,
ext/agoo/response.c

Overview

A response passed to a handler that responds to the on_request method. The expected response is modified by the handler before returning.

Instance Method Summary collapse

Instance Method Details

#[](key) ⇒ Object

call-seq: [](key)

Gets a header element associated with the key.



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# File 'ext/agoo/response.c', line 179

static VALUE
head_get(VALUE self, VALUE key) {
    Response	res = (Response)DATA_PTR(self);
    Header	h;
    const char	*ks = StringValuePtr(key);
    int		klen = (int)RSTRING_LEN(key);
    
    for (h = res->headers; NULL != h; h = h->next) {
	if (0 == strncasecmp(h->text, ks, klen) && klen + 1 < h->len && ':' == h->text[klen]) {
	    return rb_str_new(h->text + klen + 2, h->len - klen - 4);
	}
    }
    return Qnil;
}

#[]=(key, val) ⇒ Object

call-seq: []=(key, value)

Sets a header element with the key and value provided.



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# File 'ext/agoo/response.c', line 200

static VALUE
head_set(VALUE self, VALUE key, VALUE val) {
    Response	res = (Response)DATA_PTR(self);
    Header	h;
    Header	prev = NULL;
    const char	*ks = StringValuePtr(key);
    const char	*vs;
    int		klen = (int)RSTRING_LEN(key);
    int		vlen;
    int		hlen;

    for (h = res->headers; NULL != h; h = h->next) {
	if (0 == strncasecmp(h->text, ks, klen) && klen + 1 < h->len && ':' == h->text[klen]) {
	    if (NULL == prev) {
		res->headers = h->next;
	    } else {
		prev->next = h->next;
	    }
	    DEBUG_FREE(mem_header, h);
	    xfree(h);
	    break;
	}
	prev = h;
    }
    if (T_STRING != rb_type(val)) {
	val = rb_funcall(val, rb_intern("to_s"), 0);
    }
    vs = StringValuePtr(val);
    vlen = (int)RSTRING_LEN(val);

    if (the_server.pedantic) {
	struct _Err	err = ERR_INIT;

	if (ERR_OK != http_header_ok(&err, ks, klen, vs, vlen)) {
	    rb_raise(rb_eArgError, "%s", err.msg);
	}
    }
    hlen = klen + vlen + 4;
    h = (Header)ALLOC_N(char, sizeof(struct _Header) - 8 + hlen + 1);
    DEBUG_ALLOC(mem_header, h)

    h->next = NULL;
    h->len = hlen;
    strncpy(h->text, ks, klen);
    strcpy(h->text + klen, ": ");
    strncpy(h->text + klen + 2, vs, vlen);
    strcpy(h->text + klen + 2 + vlen, "\r\n");
    if (NULL == res->headers) {
	res->headers = h;
    } else {
	for (prev = res->headers; NULL != prev->next; prev = prev->next) {
	}
	prev->next = h;
    }
    return Qnil;
}

#body ⇒ Object

call-seq: body()

Gets the HTTP body for the response.



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# File 'ext/agoo/response.c', line 106

static VALUE
body_get(VALUE self) {
    Response	res = (Response)DATA_PTR(self);

    if (NULL == res->body) {
	return Qnil;
    }
    return rb_str_new(res->body, res->blen);
}

#body=(val) ⇒ Object

call-seq: body=(str)

Sets the HTTP body for the response.



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# File 'ext/agoo/response.c', line 129

static VALUE
body_set(VALUE self, VALUE val) {
    Response	res = (Response)DATA_PTR(self);

    if (T_STRING == rb_type(val)) {
	res->body = strdup(StringValuePtr(val));
	DEBUG_ALLOC(mem_res_body, res->body)
	res->blen = (int)RSTRING_LEN(val);
    } else {
	rb_raise(rb_eArgError, "Expected a string");
	// TBD use Oj to encode val
    }
    return Qnil;
}

#code ⇒ Object

call-seq: code()

Gets the HTTP status code for the response.



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# File 'ext/agoo/response.c', line 150

static VALUE
code_get(VALUE self) {
    return INT2NUM(((Response)DATA_PTR(self))->code);
}

#code=(val) ⇒ Object

call-seq: code=(value)

Sets the HTTP status code for the response.



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# File 'ext/agoo/response.c', line 161

static VALUE
code_set(VALUE self, VALUE val) {
    int	code = NUM2INT(val);

    if (100 <= code && code < 600) {
	((Response)DATA_PTR(self))->code = code;
    } else {
	rb_raise(rb_eArgError, "%d is not a valid HTTP status code.", code);
    }
    return Qnil;
}

#content ⇒ Object

call-seq: body()

Gets the HTTP body for the response.



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# File 'ext/agoo/response.c', line 106

static VALUE
body_get(VALUE self) {
    Response	res = (Response)DATA_PTR(self);

    if (NULL == res->body) {
	return Qnil;
    }
    return rb_str_new(res->body, res->blen);
}

#content=(val) ⇒ Object

call-seq: body=(str)

Sets the HTTP body for the response.



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# File 'ext/agoo/response.c', line 129

static VALUE
body_set(VALUE self, VALUE val) {
    Response	res = (Response)DATA_PTR(self);

    if (T_STRING == rb_type(val)) {
	res->body = strdup(StringValuePtr(val));
	DEBUG_ALLOC(mem_res_body, res->body)
	res->blen = (int)RSTRING_LEN(val);
    } else {
	rb_raise(rb_eArgError, "Expected a string");
	// TBD use Oj to encode val
    }
    return Qnil;
}

#to_s ⇒ Object

call-seq: to_s()

Returns a string representation of the response.



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# File 'ext/agoo/response.c', line 81

static VALUE
to_s(VALUE self) {
    Response	res = (Response)DATA_PTR(self);
    int		len = response_len(res);
    char	*s = ALLOC_N(char, len + 1);

    DEBUG_ALLOC(mem_to_s, s)
    response_fill(res, s);
    
    return rb_str_new(s, len);
}