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138 lines
3.2 KiB
C++
138 lines
3.2 KiB
C++
#ifndef WEBCC_MESSAGE_H_
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#define WEBCC_MESSAGE_H_
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#include <cassert>
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#include <string>
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#include <utility> // for move()
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#include <vector>
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#include "webcc/common.h"
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#include "webcc/globals.h"
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namespace webcc {
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class Message;
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std::ostream& operator<<(std::ostream& os, const Message& message);
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// Base class for HTTP request and response messages.
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class Message {
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public:
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Message() : content_length_(kInvalidLength) {
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}
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virtual ~Message() = default;
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const std::string& start_line() const {
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return start_line_;
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}
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void set_start_line(const std::string& start_line) {
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start_line_ = start_line;
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}
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std::size_t content_length() const {
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return content_length_;
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}
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void set_content_length(std::size_t content_length) {
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content_length_ = content_length;
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}
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const std::string& content() const {
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return content_;
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}
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bool IsConnectionKeepAlive() const;
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void SetHeader(Header&& header) {
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headers_.Set(std::move(header.first), std::move(header.second));
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}
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void SetHeader(const std::string& key, const std::string& value) {
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headers_.Set(key, value);
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}
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const std::string& GetHeader(const std::string& key,
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bool* existed = nullptr) const {
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return headers_.Get(key, existed);
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}
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bool HasHeader(const std::string& key) const {
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return headers_.Has(key);
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}
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ContentEncoding GetContentEncoding() const;
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// Return true if header Accept-Encoding contains "gzip".
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bool AcceptEncodingGzip() const;
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const ContentType& content_type() const {
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return content_type_;
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}
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// TODO: Set header?
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void SetContentType(const ContentType& content_type) {
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content_type_ = content_type;
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}
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void SetContentType(const std::string& content_type) {
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SetHeader(headers::kContentType, content_type);
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}
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// Example: SetContentType("application/json", "utf-8")
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void SetContentType(const std::string& media_type,
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const std::string& charset);
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void SetContent(std::string&& content, bool set_length);
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// Prepare payload.
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virtual void Prepare();
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const Payload& payload() const {
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return payload_;
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}
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// Copy the exact payload to the given output stream.
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void CopyPayload(std::ostream& os) const;
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// Copy the exact payload to the given string.
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void CopyPayload(std::string* str) const;
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// Dump to output stream.
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void Dump(std::ostream& os, std::size_t indent = 0,
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const std::string& prefix = "") const;
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// Dump to string, only used by logger.
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std::string Dump(std::size_t indent = 0,
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const std::string& prefix = "") const;
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protected:
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void SetContentLength(std::size_t content_length) {
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content_length_ = content_length;
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SetHeader(headers::kContentLength, std::to_string(content_length));
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}
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// Get the timestamp for HTTP Date header field.
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// E.g., Wed, 21 Oct 2015 07:28:00 GMT
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// See: https://tools.ietf.org/html/rfc7231#section-7.1.1.2
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std::string GetTimestamp();
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protected:
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std::string start_line_;
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std::string content_;
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ContentType content_type_;
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std::size_t content_length_;
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Headers headers_;
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// NOTE: The payload itself doesn't hold the memory!
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Payload payload_;
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};
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} // namespace webcc
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#endif // WEBCC_MESSAGE_H_
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