Http Parser¶

namespace HTTPServer

Enums

enum class ParseState¶

Values:

enumerator REQUEST_LINE¶

enumerator HEADERS¶

enumerator BODY¶

enumerator COMPLETE¶

enumerator ERROR¶

enum class BodyType¶

Values:

enumerator NONE¶

enumerator CONTENT_LENGTH¶

enumerator CHUNKED¶

enum class ChunkState¶

Values:

enumerator SIZE¶

enumerator DATA¶

enumerator DATA_CRLF¶

enumerator TRAILERS¶

enumerator DONE¶

enum class ParseResult¶

Values:

enumerator NEED_MORE_DATA¶

enumerator REQUEST_COMPLETE¶

enumerator PARSE_ERROR¶

enum class ParseError¶

Values:

enumerator NONE¶

enumerator INVALID_REQUEST_LINE_FORMAT¶

enumerator REQUEST_METHOD_EMPTY¶

enumerator REQUEST_METHOD_LOWERCASE¶

enumerator UNSUPPORTED_METHOD¶

enumerator UNSUPPORTED_VERSION¶

enumerator INVALID_HEADER_MISSING_COLON¶

enumerator INVALID_HEADER_UNSUPPORTED_CHARACTER¶

enumerator HEADER_TOO_LARGE¶

enumerator MISSING_HOST_HEADER¶

enumerator CONTENT_LENGTH_EMPTY¶

enumerator CONTENT_LENGTH_NOT_NUMERIC¶

enumerator BODY_TOO_LARGE¶

enumerator INVALID_CHUNKED_ENCODING¶

enumerator TOO_MANY_HEADERS¶

enumerator TOTAL_HEADER_SIZE_TOO_LARGE¶

class HttpParser¶

Public Functions

HttpParser()¶

ParseResult parse(std::string_view &buffer)¶: Feed new bytes into the parser. Consumes as much as possible from buffer and leaves any unconsumed bytes in buffer

bool hasCompleteRequest() const¶

HttpRequest takeRequest()¶

bool hasError() const¶

ParseError error() const¶

void reset()¶: Prepare parser for next request (pipelining)

Private Functions

bool parseRequestLine(std::string_view &buffer)¶: Internal parsing methods

bool parseHeaders(std::string_view &buffer)¶

bool determineBodyFraming()¶

bool parseBody(std::string_view &buffer)¶

bool parseChunkSize(std::string_view &buffer)¶

bool parseChunkData(std::string_view &buffer)¶

bool parseChunkTrailers(std::string_view &buffer)¶

bool consumeLine(std::string_view &buffer, std::string &out)¶

bool validateRequestLine()¶

bool validateHeaders()¶

void parseQueryParams(const std::string &qs, std::unordered_map<std::string, std::string> &map)¶

std::string urlDecode(const std::string &s)¶

Private Members

ParseState d_state = ParseState::REQUEST_LINE ¶

BodyType d_bodyType = BodyType::NONE ¶

ChunkState d_chunkState = ChunkState::SIZE ¶

ParseError d_error = ParseError::NONE ¶

HttpRequest d_request¶

std::string d_lineBuffer¶: Temporary Buffers

size_t d_bodyBytesRemaining = 0¶

size_t d_currentChunkSize = 0¶

size_t d_currentChunkRead = 0¶

size_t d_currentHeaderCount = 0¶

size_t d_currentTotalHeaderSize = 0¶