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116 lines
3.3 KiB
116 lines
3.3 KiB
#ifndef SRC_NODE_HTTP2_STATE_H_
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#define SRC_NODE_HTTP2_STATE_H_
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#if defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS
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#include "aliased_buffer.h"
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namespace node {
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namespace http2 {
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enum Http2SettingsIndex {
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IDX_SETTINGS_HEADER_TABLE_SIZE,
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IDX_SETTINGS_ENABLE_PUSH,
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IDX_SETTINGS_INITIAL_WINDOW_SIZE,
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IDX_SETTINGS_MAX_FRAME_SIZE,
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IDX_SETTINGS_MAX_CONCURRENT_STREAMS,
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IDX_SETTINGS_MAX_HEADER_LIST_SIZE,
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IDX_SETTINGS_COUNT
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};
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enum Http2SessionStateIndex {
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IDX_SESSION_STATE_EFFECTIVE_LOCAL_WINDOW_SIZE,
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IDX_SESSION_STATE_EFFECTIVE_RECV_DATA_LENGTH,
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IDX_SESSION_STATE_NEXT_STREAM_ID,
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IDX_SESSION_STATE_LOCAL_WINDOW_SIZE,
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IDX_SESSION_STATE_LAST_PROC_STREAM_ID,
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IDX_SESSION_STATE_REMOTE_WINDOW_SIZE,
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IDX_SESSION_STATE_OUTBOUND_QUEUE_SIZE,
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IDX_SESSION_STATE_HD_DEFLATE_DYNAMIC_TABLE_SIZE,
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IDX_SESSION_STATE_HD_INFLATE_DYNAMIC_TABLE_SIZE,
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IDX_SESSION_STATE_COUNT
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};
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enum Http2StreamStateIndex {
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IDX_STREAM_STATE,
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IDX_STREAM_STATE_WEIGHT,
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IDX_STREAM_STATE_SUM_DEPENDENCY_WEIGHT,
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IDX_STREAM_STATE_LOCAL_CLOSE,
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IDX_STREAM_STATE_REMOTE_CLOSE,
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IDX_STREAM_STATE_LOCAL_WINDOW_SIZE,
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IDX_STREAM_STATE_COUNT
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};
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enum Http2OptionsIndex {
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IDX_OPTIONS_MAX_DEFLATE_DYNAMIC_TABLE_SIZE,
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IDX_OPTIONS_MAX_RESERVED_REMOTE_STREAMS,
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IDX_OPTIONS_MAX_SEND_HEADER_BLOCK_LENGTH,
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IDX_OPTIONS_PEER_MAX_CONCURRENT_STREAMS,
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IDX_OPTIONS_PADDING_STRATEGY,
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IDX_OPTIONS_FLAGS
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};
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enum Http2PaddingBufferFields {
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PADDING_BUF_FRAME_LENGTH,
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PADDING_BUF_MAX_PAYLOAD_LENGTH,
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PADDING_BUF_RETURN_VALUE,
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PADDING_BUF_FIELD_COUNT
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};
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class http2_state {
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public:
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explicit http2_state(v8::Isolate* isolate) :
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root_buffer(
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isolate,
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sizeof(http2_state_internal)),
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session_state_buffer(
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isolate,
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offsetof(http2_state_internal, session_state_buffer),
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IDX_SESSION_STATE_COUNT,
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root_buffer),
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stream_state_buffer(
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isolate,
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offsetof(http2_state_internal, stream_state_buffer),
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IDX_STREAM_STATE_COUNT,
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root_buffer),
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padding_buffer(
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isolate,
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offsetof(http2_state_internal, padding_buffer),
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PADDING_BUF_FIELD_COUNT,
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root_buffer),
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options_buffer(
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isolate,
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offsetof(http2_state_internal, options_buffer),
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IDX_OPTIONS_FLAGS + 1,
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root_buffer),
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settings_buffer(
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isolate,
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offsetof(http2_state_internal, settings_buffer),
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IDX_SETTINGS_COUNT + 1,
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root_buffer) {
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}
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AliasedBuffer<uint8_t, v8::Uint8Array> root_buffer;
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AliasedBuffer<double, v8::Float64Array> session_state_buffer;
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AliasedBuffer<double, v8::Float64Array> stream_state_buffer;
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AliasedBuffer<uint32_t, v8::Uint32Array> padding_buffer;
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AliasedBuffer<uint32_t, v8::Uint32Array> options_buffer;
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AliasedBuffer<uint32_t, v8::Uint32Array> settings_buffer;
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private:
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struct http2_state_internal {
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// doubles first so that they are always sizeof(double)-aligned
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double session_state_buffer[IDX_SESSION_STATE_COUNT];
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double stream_state_buffer[IDX_STREAM_STATE_COUNT];
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uint32_t padding_buffer[PADDING_BUF_FIELD_COUNT];
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uint32_t options_buffer[IDX_OPTIONS_FLAGS + 1];
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uint32_t settings_buffer[IDX_SETTINGS_COUNT + 1];
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};
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};
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} // namespace http2
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} // namespace node
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#endif // defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS
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#endif // SRC_NODE_HTTP2_STATE_H_
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