Method upload

lib_acl_cpp/src/http/http_request.cpp:482–545

}

bool http_request::upload(const char *filepath) {
	if (filepath == NULL || filepath[0] == '\0') {
		logger_error("filepath is NULL");
		return false;
	}

	const long long fsize = fstream::fsize(filepath);
	if (fsize <= 0) {
		logger_error("fsize(%lld) is invalid", fsize);
		return false;
	}

	header_.set_content_length(fsize);
	header_.set_method(HTTP_METHOD_POST);

	bool  have_retried = false;
	bool  reuse_conn;

	while (true) {
		if (!try_open(&reuse_conn)) {
			logger_error("connect server error");
			return false;
		}

		if (!send_file(filepath)) {
			if (have_retried || !reuse_conn) {
				logger_error("send file error");
				return false;
			}
			close();
			have_retried = true;
			continue;
		}

		if (client_) {
			client_->reset();
			if (client_->read_head()) { // �� HTTP ��Ӧͷ
				break;
			}
		}

		if (last_error() == ECANCELED) {
			return false;
		}

		if (have_retried || !reuse_conn) {
			logger_error("read response header error");
			return false;
		}

		close(); // �ȹر�֮ǰ��������

		// ���ڳ����ӣ�����ǵ�һ��IOʧ�ܣ������������һ��
		have_retried = true;
	}

	// �����ַ���ת����
	set_charset_conv();