Function http_get

lib_acl_cpp/samples/http_request_pool/main.cpp:33–80

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// HTTP ������̣�����������������ӷ�������ȡ��Ӧ����
static bool http_get(http_request* conn, int n)
{
	// ���� HTTP ����ͷ����
	http_header& header = conn->request_header();
	header.set_url("/")
		.set_keep_alive(true)
		.set_method(HTTP_METHOD_GET)
		.accept_gzip(__unzip);
	if (!__host.empty()) {
		header.set_host(__host);
	}

	if (__debug) {
		printf("%lu--%d: begin send request\r\n",
			(unsigned long) acl_pthread_self(), n);
	}
	// ���� HTTP ��������ͬʱ���� HTTP ��Ӧͷ
	if (conn->request(NULL, 0) == false) {
		printf("%lu--%d: send GET request error\r\n",
			(unsigned long) acl_pthread_self(), n);
		return false;
	}

	char  buf[8192];
	int   ret, length = 0;

	// ���� HTTP ��Ӧ������
	while (true) {
		ret = conn->read_body(buf, sizeof(buf));
		if (ret == 0) {
			break;
		} else if (ret < 0) {
			printf("%lu--%d: error, length: %d\r\n",
				(unsigned long) acl_pthread_self(), n, length);
			return false;
		}
		length += ret;
		if (__debug) {
			printf("%lu--%d: read length: %d, %d\r\n",
				(unsigned long) acl_pthread_self(), n, length, ret);
		}
	}
	if (__debug) {
		printf("%lu--%d: read body over, length: %d\r\n",
			(unsigned long) acl_pthread_self(), n, length);
	}
	return true;
}

// �̴߳�������
static void thread_main(void*)