WebSocket实现原理

ws__reset_buf(ws, 2);

break;

}

case WS_READ_EXTEND_PAYLOAD_2_WORDS: {

#define PAYLOAD_LEN_BITS 2

ret = ws__make_up(ws, PAYLOAD_LEN_BITS);

if (ret != OK) {

return ret;

}

rd_buf = ws->buf;

ws_frame_t * frame = ws->c_frame;

char *payload_len_bytes = (char *)&frame->payload_len;

for (i = 0; i

*(payload_len_bytes + i) = rd_buf[PAYLOAD_LEN_BITS - 1 - i];

}

ws__reset_buf(ws, PAYLOAD_LEN_BITS);

ws->rd_state = WS_READ_PAYLOAD;

#undef PAYLOAD_LEN_BITS

break;

}

case WS_READ_EXTEND_PAYLOAD_8_WORDS: {

#define PAYLOAD_LEN_BITS 8

ret = ws__make_up(ws, PAYLOAD_LEN_BITS);

if (ret != OK) {

return ret;

}

rd_buf = ws->buf;

ws_frame_t * frame = ws->c_frame;

char *payload_len_bytes = (char *)&frame->payload_len;

for (i = 0; i

*(payload_len_bytes + i) = rd_buf[PAYLOAD_LEN_BITS - 1 - i];

}

ws__reset_buf(ws, PAYLOAD_LEN_BITS);

ws->rd_state = WS_READ_PAYLOAD;

#undef PAYLOAD_LEN_BITS

break;

}

case WS_READ_PAYLOAD: {

ws_frame_t * frame = ws->c_frame;

uint64_t payload_len = frame->payload_len;

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