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#ifndef SRC_NODE_HTTP2_STATE_H_
#define SRC_NODE_HTTP2_STATE_H_
#if defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS
#include "aliased_buffer.h"
namespace node {
namespace http2 {
enum Http2SettingsIndex {
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
};
enum Http2SessionStateIndex {
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
};
enum Http2StreamStateIndex {
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
};
enum Http2OptionsIndex {
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_MAX_HEADER_LIST_PAIRS,
IDX_OPTIONS_MAX_OUTSTANDING_PINGS,
IDX_OPTIONS_MAX_OUTSTANDING_SETTINGS,
IDX_OPTIONS_FLAGS
};
enum Http2PaddingBufferFields {
PADDING_BUF_FRAME_LENGTH,
PADDING_BUF_MAX_PAYLOAD_LENGTH,
PADDING_BUF_RETURN_VALUE,
PADDING_BUF_FIELD_COUNT
};
class http2_state {
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];
};
};
} // namespace http2
} // namespace node
#endif // defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS
#endif // SRC_NODE_HTTP2_STATE_H_
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