C++ HttpServletRequest::getLocalAddr方法代码示例

bool http_servlet::doPost(acl::HttpServletRequest& req,
	acl::HttpServletResponse& res)
{
	handled_ = true;
	acl::http_client* conn = req.getClient();
	conn->header_disable("Accept-Encoding");
	logger_request(req);

	// 生成完整的 url，以备下面使用
	const char* host = req.getRemoteHost();
	const char* uri = req.getRequestUri();
	if (host == NULL || *host == 0)
		host = req.getLocalAddr();

	url_.format("http://%s%s", host, uri ? uri : "/");
	out_.format(">>> request url: %s\r\n", url_.c_str());

	https_client client(out_, client_ssl_conf_);
	return client.http_request(req, res);
}

bool WebsocketServlet_impl::doPost(acl::HttpServletRequest& req,
	acl::HttpServletResponse& res)
{
	res.setContentType("text/html; charset=utf-8")	// 设置响应字符集
		.setContentEncoding(false)		// 设置是否压缩数据
		.setChunkedTransferEncoding(true);	// 采用 chunk 传输方式

	const char* ip = req.getLocalAddr();
	if (ip == NULL || *ip == 0)
	{
		logger_error("getLocalAddr error");
		return false;
	}
	unsigned short port = req.getLocalPort();
	if (port == 0)
	{
		logger_error("getLocalPort error");
		return false;
	}

	acl::string local_addr;
	local_addr << ip << ":" << port;

	printf("getLocalAddr: %s\r\n", local_addr.c_str());

	acl::string html_file;
	html_file << "www/upload.html";
	acl::string buf;
	if (acl::ifstream::load(html_file, &buf) == false)
	{
		logger_error("load %s error %s",
			html_file.c_str(), acl::last_serror());
		return doError(req, res);
	}

	buf << "<script>g_url='ws://" << local_addr << "/'</script>";

	// 发送 http 响应体，因为设置了 chunk 传输模式，所以需要多调用一次
	// res.write 且两个参数均为 0 以表示 chunk 传输数据结束
	return res.write(buf) && res.write(NULL, 0);
}

bool https_client::http_request(acl::HttpServletRequest& req,
	acl::HttpServletResponse& res)
{
	const char* host = req.getRemoteHost();
	if (host == NULL || *host == 0)
		host = req.getLocalAddr();

	acl::string server_addr;
	if (ssl_conf_ == NULL)
		server_addr.format("%s:80", host);
	else
		server_addr.format("%s:443", host);

	std::auto_ptr<acl::http_client> backend(new acl::http_client);

	// 连接服务器
	if (connect_server(server_addr, *backend) == false)
		return false;

	acl::http_client* front = req.getClient();

	// 取得  HTTP 请求头数据
	acl::string req_hdr;
	front->sprint_header(req_hdr, NULL);

	// 转发 HTTP 请求头至服务器
	if (backend->get_ostream().write(req_hdr) == -1)
	{
		out_.puts(">>>>write header error");
		return false;
	}
	if (backend->get_ostream().write("\r\n") == -1)
	{
		out_.puts(">>>>write CRLF error");
		return false;
	}

	// 如果还有数据体，则转发请求的数据体给服务器
	long long int len = req.getContentLength();

	if (len > 0)
	{
		char req_body[8192];
		int ret;

		while (true)
		{
			ret = front->read_body(req_body, sizeof(req_body) - 1);
			if (ret < 0)
			{
				out_.puts(">>> read req body error");
				return false;
			}
			if (ret == 0)
				break;

			req_body[ret] = 0;
			out_.write(req_body, ret);
			if (backend->get_ostream().write(req_body, ret) == -1)
			{
				out_.puts(">>> write body to server error");
				return false;
			}
		}
	}
	out_.puts("");

	// 开始从后端服务器读取响应头和响应体数据

	out_.puts(">>>> begin read res header<<<<<");
	if (backend->read_head() == false)
	{
		out_.puts(">>>>>>>>read header error<<<<<<<<<<");
		return false;
	}

	acl::string res_hdr;
	backend->sprint_header(res_hdr, NULL);
	if (res.getOutputStream().write(res_hdr) == -1)
	{
		out_.puts(">>>>>write res hdr error<<<<<<");
		return false;
	}

	if (res.getOutputStream().write("\r\n") == -1)
	{
		out_.puts(">>>write CRLF error");
		return false;
	}

	out_.puts("------------------res hdr----------------");
	out_.write(res_hdr);
	out_.puts("------------------res hdr end------------");

	char buf[8192];

	while (true)
	{
		int ret = backend->read_body(buf, sizeof(buf) - 1);
		if (ret < 0)
//.........这里部分代码省略.........