IDX_SETTINGS_HEADER_TABLE_SIZE,

IDX_SETTINGS_ENABLE_PUSH,

IDX_SETTINGS_INITIAL_WINDOW_SIZE,

IDX_SETTINGS_MAX_FRAME_SIZE,

IDX_SETTINGS_MAX_CONCURRENT_STREAMS,

IDX_SETTINGS_MAX_HEADER_LIST_SIZE,

IDX_SETTINGS_COUNT

IDX_SESSION_STATE_EFFECTIVE_LOCAL_WINDOW_SIZE,

IDX_SESSION_STATE_EFFECTIVE_RECV_DATA_LENGTH,

IDX_SESSION_STATE_NEXT_STREAM_ID,

IDX_SESSION_STATE_LOCAL_WINDOW_SIZE,

IDX_SESSION_STATE_LAST_PROC_STREAM_ID,

IDX_SESSION_STATE_REMOTE_WINDOW_SIZE,

IDX_SESSION_STATE_OUTBOUND_QUEUE_SIZE,

IDX_SESSION_STATE_HD_DEFLATE_DYNAMIC_TABLE_SIZE,

IDX_SESSION_STATE_HD_INFLATE_DYNAMIC_TABLE_SIZE,

IDX_SESSION_STATE_COUNT

IDX_STREAM_STATE,

IDX_STREAM_STATE_WEIGHT,

IDX_STREAM_STATE_SUM_DEPENDENCY_WEIGHT,

IDX_STREAM_STATE_LOCAL_CLOSE,

IDX_STREAM_STATE_REMOTE_CLOSE,

IDX_STREAM_STATE_LOCAL_WINDOW_SIZE,

IDX_STREAM_STATE_COUNT

IDX_OPTIONS_MAX_DEFLATE_DYNAMIC_TABLE_SIZE,

IDX_OPTIONS_MAX_RESERVED_REMOTE_STREAMS,

IDX_OPTIONS_MAX_SEND_HEADER_BLOCK_LENGTH,

IDX_OPTIONS_PEER_MAX_CONCURRENT_STREAMS,

IDX_OPTIONS_PADDING_STRATEGY,

IDX_OPTIONS_FLAGS

PADDING_BUF_FRAME_LENGTH,

PADDING_BUF_MAX_PAYLOAD_LENGTH,

PADDING_BUF_RETURN_VALUE,

PADDING_BUF_FIELD_COUNT

public:

explicit http2_state(v8::Isolate* isolate) :

root_buffer(

isolate,

sizeof(http2_state_internal)),

session_state_buffer(

isolate,

offsetof(http2_state_internal, session_state_buffer),

IDX_SESSION_STATE_COUNT,

root_buffer),

stream_state_buffer(

isolate,

offsetof(http2_state_internal, stream_state_buffer),

IDX_STREAM_STATE_COUNT,

root_buffer),

padding_buffer(

isolate,

offsetof(http2_state_internal, padding_buffer),

PADDING_BUF_FIELD_COUNT,

root_buffer),

options_buffer(

isolate,

offsetof(http2_state_internal, options_buffer),

IDX_OPTIONS_FLAGS + 1,

root_buffer),

settings_buffer(

isolate,

offsetof(http2_state_internal, settings_buffer),

IDX_SETTINGS_COUNT + 1,

root_buffer) {

}

AliasedBuffer<uint8_t, v8::Uint8Array> root_buffer;

AliasedBuffer<double, v8::Float64Array> session_state_buffer;

AliasedBuffer<double, v8::Float64Array> stream_state_buffer;

AliasedBuffer<uint32_t, v8::Uint32Array> padding_buffer;

AliasedBuffer<uint32_t, v8::Uint32Array> options_buffer;

AliasedBuffer<uint32_t, v8::Uint32Array> settings_buffer;

private:

struct http2_state_internal {

// doubles first so that they are always sizeof(double)-aligned

double session_state_buffer[IDX_SESSION_STATE_COUNT];

double stream_state_buffer[IDX_STREAM_STATE_COUNT];

uint32_t padding_buffer[PADDING_BUF_FIELD_COUNT];

uint32_t options_buffer[IDX_OPTIONS_FLAGS + 1];

uint32_t settings_buffer[IDX_SETTINGS_COUNT + 1];

};