| 400 | } |
| 401 | |
| 402 | bool |
| 403 | Http2Stream::change_state(uint8_t type, uint8_t flags) |
| 404 | { |
| 405 | auto const initial_state = _state; |
| 406 | switch (_state) { |
| 407 | case Http2StreamState::HTTP2_STREAM_STATE_IDLE: |
| 408 | if (type == HTTP2_FRAME_TYPE_HEADERS) { |
| 409 | if (receive_end_stream) { |
| 410 | _state = Http2StreamState::HTTP2_STREAM_STATE_HALF_CLOSED_REMOTE; |
| 411 | } else if (send_end_stream) { |
| 412 | _state = Http2StreamState::HTTP2_STREAM_STATE_HALF_CLOSED_LOCAL; |
| 413 | } else { |
| 414 | _state = Http2StreamState::HTTP2_STREAM_STATE_OPEN; |
| 415 | } |
| 416 | } else if (type == HTTP2_FRAME_TYPE_CONTINUATION) { |
| 417 | if (receive_end_stream) { |
| 418 | _state = Http2StreamState::HTTP2_STREAM_STATE_HALF_CLOSED_REMOTE; |
| 419 | } else if (send_end_stream) { |
| 420 | _state = Http2StreamState::HTTP2_STREAM_STATE_HALF_CLOSED_LOCAL; |
| 421 | } else { |
| 422 | _state = Http2StreamState::HTTP2_STREAM_STATE_OPEN; |
| 423 | } |
| 424 | } else if (type == HTTP2_FRAME_TYPE_PUSH_PROMISE) { |
| 425 | _state = Http2StreamState::HTTP2_STREAM_STATE_RESERVED_LOCAL; |
| 426 | } else if (type == HTTP2_FRAME_TYPE_RST_STREAM) { |
| 427 | _state = Http2StreamState::HTTP2_STREAM_STATE_CLOSED; |
| 428 | } else { |
| 429 | return false; |
| 430 | } |
| 431 | break; |
| 432 | |
| 433 | case Http2StreamState::HTTP2_STREAM_STATE_OPEN: |
| 434 | if (type == HTTP2_FRAME_TYPE_RST_STREAM) { |
| 435 | _state = Http2StreamState::HTTP2_STREAM_STATE_CLOSED; |
| 436 | } else if (type == HTTP2_FRAME_TYPE_HEADERS || type == HTTP2_FRAME_TYPE_DATA) { |
| 437 | if (receive_end_stream) { |
| 438 | if (send_end_stream) { |
| 439 | _state = Http2StreamState::HTTP2_STREAM_STATE_CLOSED; |
| 440 | } else { |
| 441 | _state = Http2StreamState::HTTP2_STREAM_STATE_HALF_CLOSED_REMOTE; |
| 442 | } |
| 443 | } else if (send_end_stream) { |
| 444 | if (receive_end_stream) { |
| 445 | _state = Http2StreamState::HTTP2_STREAM_STATE_CLOSED; |
| 446 | } else { |
| 447 | _state = Http2StreamState::HTTP2_STREAM_STATE_HALF_CLOSED_LOCAL; |
| 448 | } |
| 449 | } else { |
| 450 | // Do not change state |
| 451 | } |
| 452 | } else { |
| 453 | // A stream in the "open" state may be used by both peers to send frames of any type. |
| 454 | return true; |
| 455 | } |
| 456 | break; |
| 457 | |
| 458 | case Http2StreamState::HTTP2_STREAM_STATE_RESERVED_LOCAL: |
| 459 | if (type == HTTP2_FRAME_TYPE_HEADERS) { |
no outgoing calls
no test coverage detected