Line data Source code
1 : #include "utils/fd_ssctrl.h"
2 : #include "utils/fd_zstd_frame.h"
3 :
4 : #include "../../disco/topo/fd_topo.h"
5 : #include "../../disco/metrics/fd_metrics.h"
6 :
7 : #include "generated/fd_snapdc_tile_seccomp.h"
8 :
9 : #define ZSTD_STATIC_LINKING_ONLY
10 : #include <zstd.h>
11 :
12 0 : #define NAME "snapdc"
13 :
14 0 : #define ZSTD_WINDOW_SZ (1UL<<25UL) /* 32MiB */
15 :
16 : /* The snapdc tile is a state machine that decompresses the full and
17 : optionally incremental snapshot byte stream that it receives from the
18 : snapld tile. In the event that the snapshot is already uncompressed,
19 : this tile simply copies the stream to the next tile in the pipeline. */
20 :
21 : struct fd_snapdc_tile {
22 : uint full : 1;
23 : uint is_zstd : 1;
24 : uint dirty : 1; /* in the middle of a frame? */
25 : int state;
26 :
27 : ulong tile_idx;
28 : ulong tile_count;
29 : ulong frame_idx;
30 :
31 : ZSTD_DCtx * zstd;
32 : fd_zstd_frame_t zstd_frame[1];
33 :
34 : struct {
35 : fd_wksp_t * mem;
36 : ulong chunk0;
37 : ulong wmark;
38 : ulong mtu;
39 : ulong frag_pos;
40 : } in;
41 :
42 : struct {
43 : fd_wksp_t * mem;
44 : ulong chunk0;
45 : ulong wmark;
46 : ulong chunk;
47 : ulong mtu;
48 : } out;
49 :
50 : struct {
51 : struct {
52 : ulong compressed_bytes_read;
53 : ulong decompressed_bytes_written;
54 : } full;
55 :
56 : struct {
57 : ulong compressed_bytes_read;
58 : ulong decompressed_bytes_written;
59 : } incremental;
60 : } metrics;
61 : };
62 : typedef struct fd_snapdc_tile fd_snapdc_tile_t;
63 :
64 : FD_FN_PURE static ulong
65 0 : scratch_align( void ) {
66 0 : return fd_ulong_max( alignof(fd_snapdc_tile_t), 32UL );
67 0 : }
68 :
69 : FD_FN_PURE static ulong
70 0 : scratch_footprint( fd_topo_tile_t const * tile ) {
71 0 : (void)tile;
72 0 : ulong l = FD_LAYOUT_INIT;
73 0 : l = FD_LAYOUT_APPEND( l, alignof(fd_snapdc_tile_t), sizeof(fd_snapdc_tile_t) );
74 0 : l = FD_LAYOUT_APPEND( l, 32UL, ZSTD_estimateDStreamSize( ZSTD_WINDOW_SZ ) );
75 0 : return FD_LAYOUT_FINI( l, scratch_align() );
76 0 : }
77 :
78 : static inline int
79 0 : should_shutdown( fd_snapdc_tile_t * ctx ) {
80 0 : return ctx->state==FD_SNAPSHOT_STATE_SHUTDOWN;
81 0 : }
82 :
83 : static void
84 0 : metrics_write( fd_snapdc_tile_t * ctx ) {
85 0 : FD_MGAUGE_SET( SNAPDC, FULL_COMPRESSED_BYTES_READ, ctx->metrics.full.compressed_bytes_read );
86 0 : FD_MGAUGE_SET( SNAPDC, FULL_DECOMPRESSED_BYTES_WRITTEN, ctx->metrics.full.decompressed_bytes_written );
87 :
88 0 : FD_MGAUGE_SET( SNAPDC, INCREMENTAL_COMPRESSED_BYTES_READ, ctx->metrics.incremental.compressed_bytes_read );
89 0 : FD_MGAUGE_SET( SNAPDC, INCREMENTAL_DECOMPRESSED_BYTES_WRITTEN, ctx->metrics.incremental.decompressed_bytes_written );
90 :
91 0 : FD_MGAUGE_SET( SNAPDC, STATE, (ulong)(ctx->state) );
92 0 : }
93 :
94 : static void
95 : transition_malformed( fd_snapdc_tile_t * ctx,
96 12 : fd_stem_context_t * stem ) {
97 12 : if( FD_UNLIKELY( ctx->state==FD_SNAPSHOT_STATE_ERROR ) ) return;
98 12 : ctx->state = FD_SNAPSHOT_STATE_ERROR;
99 12 : fd_stem_publish( stem, 0UL, FD_SNAPSHOT_MSG_CTRL_ERROR, 0UL, 0UL, 0UL, 0UL, 0UL );
100 12 : }
101 :
102 : static inline void
103 : handle_control_frag( fd_snapdc_tile_t * ctx,
104 : fd_stem_context_t * stem,
105 : ulong sig,
106 : ulong chunk,
107 24933 : ulong sz ) {
108 24933 : if( FD_UNLIKELY( sig==FD_SNAPSHOT_MSG_LOAD_COMPLETE ) ) return;
109 :
110 : /* All control messages except META reset the decompression stream */
111 24927 : if( FD_UNLIKELY( sig!=FD_SNAPSHOT_MSG_META ) ) {
112 24921 : ulong error = ZSTD_DCtx_reset( ctx->zstd, ZSTD_reset_session_only );
113 24921 : if( FD_UNLIKELY( ZSTD_isError( error ) ) ) FD_LOG_ERR(( "ZSTD_DCtx_reset failed (%lu-%s)", error, ZSTD_getErrorName( error ) ));
114 24921 : }
115 :
116 24927 : if( ctx->state==FD_SNAPSHOT_STATE_ERROR && sig!=FD_SNAPSHOT_MSG_CTRL_FAIL ) {
117 : /* Control messages move along the snapshot load pipeline. Since
118 : error conditions can be triggered by any tile in the pipeline,
119 : it is possible to be in error state and still receive otherwise
120 : valid messages. Only a fail message can revert this. */
121 6 : return;
122 24921 : };
123 :
124 24921 : if( FD_UNLIKELY( sig==FD_SNAPSHOT_MSG_META ) ) {
125 : /* Forward META to snapin so it can update the advertised
126 : slot/hash for redirect-based downloads. */
127 6 : FD_TEST( sz<=ctx->out.mtu );
128 6 : void * dst = fd_chunk_to_laddr( ctx->out.mem, ctx->out.chunk );
129 6 : fd_memcpy( dst, fd_chunk_to_laddr_const( ctx->in.mem, chunk ), sz );
130 6 : fd_stem_publish( stem, 0UL, sig, ctx->out.chunk, sz, 0UL, 0UL, 0UL );
131 6 : ctx->out.chunk = fd_dcache_compact_next( ctx->out.chunk, ctx->out.mtu, ctx->out.chunk0, ctx->out.wmark );
132 6 : return;
133 6 : }
134 :
135 24915 : int forward_msg = 1;
136 :
137 24915 : switch( sig ) {
138 24861 : case FD_SNAPSHOT_MSG_CTRL_INIT_FULL:
139 24870 : case FD_SNAPSHOT_MSG_CTRL_INIT_INCR: {
140 24870 : FD_TEST( ctx->state==FD_SNAPSHOT_STATE_IDLE );
141 24870 : ctx->state = FD_SNAPSHOT_STATE_PROCESSING;
142 24870 : FD_TEST( sz==sizeof(fd_ssctrl_init_t) );
143 24870 : fd_ssctrl_init_t const * msg = fd_chunk_to_laddr_const( ctx->in.mem, chunk );
144 24870 : ctx->full = sig==FD_SNAPSHOT_MSG_CTRL_INIT_FULL;
145 24870 : ctx->is_zstd = !!msg->zstd;
146 24870 : ctx->dirty = 0;
147 24870 : ctx->frame_idx = 0UL;
148 24870 : ctx->in.frag_pos = 0UL;
149 24870 : FD_TEST( fd_zstd_frame_new( ctx->zstd_frame ) );
150 24870 : if( ctx->full ) {
151 24861 : ctx->metrics.full.compressed_bytes_read = 0UL;
152 24861 : ctx->metrics.full.decompressed_bytes_written = 0UL;
153 24861 : } else {
154 9 : ctx->metrics.incremental.compressed_bytes_read = 0UL;
155 9 : ctx->metrics.incremental.decompressed_bytes_written = 0UL;
156 9 : }
157 24870 : fd_ssctrl_init_t * msg_out = fd_chunk_to_laddr( ctx->out.mem, ctx->out.chunk );
158 24870 : fd_memcpy( msg_out, msg, sz );
159 24870 : fd_stem_publish( stem, 0UL, sig, ctx->out.chunk, sz, 0UL, 0UL, 0UL );
160 24870 : ctx->out.chunk = fd_dcache_compact_next( ctx->out.chunk, ctx->out.mtu, ctx->out.chunk0, ctx->out.wmark );
161 24870 : forward_msg = 0; // we forward the control message in the `fd_ssctrl_init_t` message
162 24870 : break;
163 24870 : }
164 :
165 12 : case FD_SNAPSHOT_MSG_CTRL_FINI: {
166 12 : FD_TEST( ctx->state==FD_SNAPSHOT_STATE_PROCESSING );
167 12 : ctx->state = FD_SNAPSHOT_STATE_FINISHING;
168 12 : if( FD_UNLIKELY( ctx->is_zstd && ctx->dirty ) ) {
169 6 : FD_LOG_WARNING(( "encountered end-of-file in the middle of a compressed frame for %s snapshot",
170 6 : ctx->full ? "full" : "incremental" ));
171 6 : transition_malformed( ctx, stem );
172 6 : forward_msg = 0;
173 6 : break;
174 6 : }
175 6 : break;
176 12 : }
177 :
178 6 : case FD_SNAPSHOT_MSG_CTRL_NEXT:
179 6 : case FD_SNAPSHOT_MSG_CTRL_DONE: {
180 6 : FD_TEST( ctx->state==FD_SNAPSHOT_STATE_FINISHING );
181 6 : ctx->state = FD_SNAPSHOT_STATE_IDLE;
182 6 : break;
183 6 : }
184 :
185 9 : case FD_SNAPSHOT_MSG_CTRL_ERROR: {
186 9 : FD_TEST( ctx->state!=FD_SNAPSHOT_STATE_SHUTDOWN );
187 9 : ctx->state = FD_SNAPSHOT_STATE_ERROR;
188 9 : break;
189 9 : }
190 :
191 15 : case FD_SNAPSHOT_MSG_CTRL_FAIL: {
192 15 : FD_TEST( ctx->state!=FD_SNAPSHOT_STATE_SHUTDOWN );
193 15 : ctx->state = FD_SNAPSHOT_STATE_IDLE;
194 15 : break;
195 15 : }
196 :
197 3 : case FD_SNAPSHOT_MSG_CTRL_SHUTDOWN: {
198 3 : FD_TEST( ctx->state==FD_SNAPSHOT_STATE_IDLE );
199 3 : ctx->state = FD_SNAPSHOT_STATE_SHUTDOWN;
200 3 : break;
201 3 : }
202 :
203 0 : default: {
204 0 : FD_LOG_ERR(( "unexpected control frag %s (%lu) in state %s (%lu)",
205 0 : fd_ssctrl_msg_ctrl_str( sig ), sig,
206 0 : fd_ssctrl_state_str( (ulong)ctx->state ), (ulong)ctx->state ));
207 0 : break;
208 0 : }
209 24915 : }
210 :
211 : /* Forward the control message down the pipeline */
212 24915 : if( FD_LIKELY( forward_msg ) ) {
213 39 : fd_stem_publish( stem, 0UL, sig, 0UL, 0UL, 0UL, 0UL, 0UL );
214 39 : }
215 24915 : }
216 :
217 : static inline void
218 327 : finish_frame( fd_snapdc_tile_t * ctx ) {
219 327 : ctx->dirty = 0;
220 327 : ctx->frame_idx++;
221 327 : FD_TEST( fd_zstd_frame_new( ctx->zstd_frame ) );
222 327 : }
223 :
224 : /* Reads until the end of the current frame (or the end of the frag, if
225 : that comes earlier). Returns 1 if bytes from the next frame remain
226 : and stem must reprocess this frag. */
227 : static inline int
228 : skip_unowned_frame( fd_snapdc_tile_t * ctx,
229 : fd_stem_context_t * stem,
230 : uchar const * data,
231 369 : ulong sz ) {
232 369 : FD_TEST( ctx->frame_idx%ctx->tile_count!=ctx->tile_idx );
233 369 : FD_TEST( ctx->dirty || ctx->in.frag_pos<sz );
234 369 : ctx->dirty = 1;
235 :
236 369 : ulong skipped = 0UL;
237 369 : int scan_result = fd_zstd_frame_advance( ctx->zstd_frame, data+ctx->in.frag_pos, sz-ctx->in.frag_pos, &skipped );
238 369 : switch( scan_result ) {
239 3 : case FD_ZSTD_FRAME_ERR: {
240 3 : transition_malformed( ctx, stem );
241 3 : return 0;
242 0 : }
243 162 : case FD_ZSTD_FRAME_MORE: {
244 : /* Current frame spans until the end of the frag, so we can move
245 : onto the next frag. */
246 162 : FD_TEST( skipped+ctx->in.frag_pos==sz );
247 162 : ctx->in.frag_pos = 0UL;
248 162 : return 0;
249 162 : }
250 204 : case FD_ZSTD_FRAME_END: {
251 : /* A frame ends within this frag. If the frame end coincides with
252 : the frag end, wait for the next frag, otherwise reprocess
253 : the next frame in this frag. */
254 204 : FD_TEST( skipped && skipped<=sz-ctx->in.frag_pos );
255 204 : ctx->in.frag_pos += skipped;
256 204 : finish_frame( ctx );
257 :
258 204 : if( FD_UNLIKELY( ctx->in.frag_pos==sz ) ) {
259 150 : ctx->in.frag_pos = 0UL;
260 150 : return 0;
261 150 : }
262 54 : return 1;
263 204 : }
264 0 : default: FD_LOG_ERR(( "unexpected zstd frame scan result %d", scan_result ));
265 369 : }
266 369 : }
267 :
268 : /* Decompresses up to a single frame's data. Returns 1 if the current
269 : frag needs to be reprocessed. */
270 : static inline int
271 : process_owned_frame( fd_snapdc_tile_t * ctx,
272 : fd_stem_context_t * stem,
273 : uchar const * data,
274 357 : ulong sz ) {
275 357 : FD_TEST( ctx->frame_idx%ctx->tile_count==ctx->tile_idx );
276 357 : FD_TEST( ctx->dirty || ctx->in.frag_pos<sz );
277 357 : ctx->dirty = 1;
278 :
279 357 : uchar * out = fd_chunk_to_laddr( ctx->out.mem, ctx->out.chunk );
280 357 : ulong in_sz = sz-ctx->in.frag_pos;
281 357 : ulong in_consumed = 0UL;
282 357 : ulong out_produced = 0UL;
283 357 : ulong frame_res = ZSTD_decompressStream_simpleArgs(
284 357 : ctx->zstd,
285 357 : out,
286 357 : ctx->out.mtu,
287 357 : &out_produced,
288 357 : data+ctx->in.frag_pos,
289 357 : in_sz,
290 357 : &in_consumed );
291 357 : if( FD_UNLIKELY( ZSTD_isError( frame_res ) ) ) {
292 3 : FD_LOG_WARNING(( "error while decompressing %s snapshot (%u-%s)",
293 3 : ctx->full ? "full" : "incremental",
294 3 : ZSTD_getErrorCode( frame_res ), ZSTD_getErrorName( frame_res ) ));
295 3 : transition_malformed( ctx, stem );
296 3 : return 0;
297 3 : }
298 :
299 354 : ctx->in.frag_pos += in_consumed;
300 354 : FD_TEST( ctx->in.frag_pos<=sz );
301 :
302 354 : if( FD_LIKELY( ctx->full ) ) {
303 348 : ctx->metrics.full.compressed_bytes_read += in_consumed;
304 348 : ctx->metrics.full.decompressed_bytes_written += out_produced;
305 348 : } else {
306 6 : ctx->metrics.incremental.compressed_bytes_read += in_consumed;
307 6 : ctx->metrics.incremental.decompressed_bytes_written += out_produced;
308 6 : }
309 :
310 354 : if( FD_UNLIKELY( frame_res && !in_consumed && !out_produced ) ) {
311 0 : if( FD_UNLIKELY( ctx->in.frag_pos<sz ) ) {
312 : /* No progress with remaining input would retry forever */
313 0 : transition_malformed( ctx, stem );
314 0 : } else {
315 : /* No progress with exhausted input means zstd needs the next frag */
316 0 : ctx->in.frag_pos = 0UL;
317 0 : }
318 0 : return 0;
319 0 : }
320 :
321 354 : if( FD_LIKELY( out_produced || !frame_res ) ) {
322 258 : ulong out_ctl = fd_frag_meta_ctl( 0UL, 0, !frame_res, 0 );
323 258 : fd_stem_publish( stem, 0UL, FD_SNAPSHOT_MSG_DATA, ctx->out.chunk, out_produced, out_ctl, 0UL, 0UL );
324 258 : ctx->out.chunk = fd_dcache_compact_next( ctx->out.chunk, out_produced, ctx->out.chunk0, ctx->out.wmark );
325 258 : }
326 :
327 354 : if( FD_UNLIKELY( !frame_res ) ) finish_frame( ctx );
328 :
329 : /* frame_res==0 means the frame ended exactly at the output boundary;
330 : re-polling then reports "new frame expected" and would mark the
331 : stream dirty at a clean EOF. */
332 354 : int maybe_more_output = (out_produced==ctx->out.mtu && frame_res!=0UL) || ctx->in.frag_pos<sz;
333 354 : if( FD_LIKELY( !maybe_more_output ) ) ctx->in.frag_pos = 0UL;
334 354 : return maybe_more_output;
335 354 : }
336 :
337 : static inline int
338 : handle_data_frag( fd_snapdc_tile_t * ctx,
339 : fd_stem_context_t * stem,
340 : ulong chunk,
341 27048 : ulong sz ) {
342 27048 : if( FD_UNLIKELY( ctx->state==FD_SNAPSHOT_STATE_ERROR ) ) {
343 : /* Ignore all data frags after observing an error in the stream until
344 : we receive fail & init control messages to restart processing. */
345 3 : return 0;
346 3 : }
347 27045 : if( FD_UNLIKELY( ctx->state!=FD_SNAPSHOT_STATE_PROCESSING ) ) {
348 0 : FD_LOG_ERR(( "received unexpected data frag in state %s (%lu)",
349 0 : fd_ssctrl_state_str( (ulong)ctx->state ), (ulong)ctx->state ));
350 0 : }
351 :
352 27045 : FD_TEST( chunk>=ctx->in.chunk0 && chunk<=ctx->in.wmark && sz<=ctx->in.mtu && sz>=ctx->in.frag_pos );
353 27045 : uchar const * data = fd_chunk_to_laddr_const( ctx->in.mem, chunk );
354 :
355 27045 : if( FD_UNLIKELY( !ctx->is_zstd ) ) {
356 26319 : if( FD_UNLIKELY( ctx->tile_idx!=0UL ) ) return 0;
357 1935 : FD_TEST( ctx->in.frag_pos<sz );
358 1935 : uchar const * in = data+ctx->in.frag_pos;
359 1935 : uchar * out = fd_chunk_to_laddr( ctx->out.mem, ctx->out.chunk );
360 1935 : ulong cpy = fd_ulong_min( sz-ctx->in.frag_pos, ctx->out.mtu );
361 1935 : fd_memcpy( out, in, cpy );
362 1935 : fd_stem_publish( stem, 0UL, FD_SNAPSHOT_MSG_DATA, ctx->out.chunk, cpy, 0UL, 0UL, 0UL );
363 1935 : ctx->out.chunk = fd_dcache_compact_next( ctx->out.chunk, cpy, ctx->out.chunk0, ctx->out.wmark );
364 :
365 1935 : if( FD_LIKELY( ctx->full ) ) {
366 1920 : ctx->metrics.full.compressed_bytes_read += cpy;
367 1920 : ctx->metrics.full.decompressed_bytes_written += cpy;
368 1920 : } else {
369 15 : ctx->metrics.incremental.compressed_bytes_read += cpy;
370 15 : ctx->metrics.incremental.decompressed_bytes_written += cpy;
371 15 : }
372 :
373 1935 : ctx->in.frag_pos += cpy;
374 1935 : FD_TEST( ctx->in.frag_pos<=sz );
375 1935 : if( FD_UNLIKELY( ctx->in.frag_pos<sz ) ) return 1;
376 387 : ctx->in.frag_pos = 0UL;
377 387 : return 0;
378 1935 : }
379 :
380 726 : if( ctx->frame_idx%ctx->tile_count!=ctx->tile_idx ) {
381 369 : return skip_unowned_frame( ctx, stem, data, sz );
382 369 : }
383 :
384 357 : return process_owned_frame( ctx, stem, data, sz );
385 726 : }
386 :
387 : static inline int
388 : returnable_frag( fd_snapdc_tile_t * ctx,
389 : ulong in_idx FD_PARAM_UNUSED,
390 : ulong seq FD_PARAM_UNUSED,
391 : ulong sig,
392 : ulong chunk,
393 : ulong sz,
394 : ulong ctl FD_PARAM_UNUSED,
395 : ulong tsorig FD_PARAM_UNUSED,
396 : ulong tspub FD_PARAM_UNUSED,
397 51981 : fd_stem_context_t * stem ) {
398 51981 : FD_TEST( ctx->state!=FD_SNAPSHOT_STATE_SHUTDOWN );
399 :
400 51981 : if( FD_LIKELY( sig==FD_SNAPSHOT_MSG_DATA ) ) return handle_data_frag( ctx, stem, chunk, sz );
401 24933 : else handle_control_frag( ctx, stem, sig, chunk, sz );
402 :
403 24933 : return 0;
404 51981 : }
405 :
406 : static ulong
407 : populate_allowed_fds( fd_topo_t const * topo FD_PARAM_UNUSED,
408 : fd_topo_tile_t const * tile FD_PARAM_UNUSED,
409 : ulong out_fds_cnt,
410 0 : int * out_fds ) {
411 0 : if( FD_UNLIKELY( out_fds_cnt<2UL ) ) FD_LOG_ERR(( "out_fds_cnt %lu", out_fds_cnt ));
412 :
413 0 : ulong out_cnt = 0;
414 0 : out_fds[ out_cnt++ ] = 2UL; /* stderr */
415 0 : if( FD_LIKELY( -1!=fd_log_private_logfile_fd() ) ) {
416 0 : out_fds[ out_cnt++ ] = fd_log_private_logfile_fd(); /* logfile */
417 0 : }
418 :
419 0 : return out_cnt;
420 0 : }
421 :
422 : static ulong
423 : populate_allowed_seccomp( fd_topo_t const * topo FD_PARAM_UNUSED,
424 : fd_topo_tile_t const * tile FD_PARAM_UNUSED,
425 : ulong out_cnt,
426 0 : struct sock_filter * out ) {
427 0 : populate_sock_filter_policy_fd_snapdc_tile( out_cnt, out, (uint)fd_log_private_logfile_fd() );
428 0 : return sock_filter_policy_fd_snapdc_tile_instr_cnt;
429 0 : }
430 :
431 : static void
432 : unprivileged_init( fd_topo_t const * topo,
433 0 : fd_topo_tile_t const * tile ) {
434 0 : void * scratch = fd_topo_obj_laddr( topo, tile->tile_obj_id );
435 :
436 0 : FD_SCRATCH_ALLOC_INIT( l, scratch );
437 0 : fd_snapdc_tile_t * ctx = FD_SCRATCH_ALLOC_APPEND( l, alignof(fd_snapdc_tile_t), sizeof(fd_snapdc_tile_t) );
438 0 : void * _zstd = FD_SCRATCH_ALLOC_APPEND( l, 32UL, ZSTD_estimateDStreamSize( ZSTD_WINDOW_SZ ) );
439 :
440 0 : ctx->state = FD_SNAPSHOT_STATE_IDLE;
441 0 : ctx->tile_idx = tile->kind_id;
442 0 : ctx->tile_count = fd_topo_tile_name_cnt( topo, NAME );
443 0 : FD_TEST( ctx->tile_count );
444 0 : FD_TEST( ctx->tile_idx<ctx->tile_count );
445 :
446 0 : ctx->zstd = ZSTD_initStaticDStream( _zstd, ZSTD_estimateDStreamSize( ZSTD_WINDOW_SZ ) );
447 0 : FD_TEST( ctx->zstd );
448 0 : FD_TEST( ctx->zstd==_zstd );
449 :
450 0 : ctx->dirty = 0;
451 0 : ctx->frame_idx = 0UL;
452 0 : ctx->in.frag_pos = 0UL;
453 0 : FD_TEST( fd_zstd_frame_new( ctx->zstd_frame ) );
454 0 : fd_memset( &ctx->metrics, 0, sizeof(ctx->metrics) );
455 :
456 0 : if( FD_UNLIKELY( tile->in_cnt !=1UL ) ) FD_LOG_ERR(( "tile `" NAME "` has %lu ins, expected 1", tile->in_cnt ));
457 0 : if( FD_UNLIKELY( tile->out_cnt!=1UL ) ) FD_LOG_ERR(( "tile `" NAME "` has %lu outs, expected 1", tile->out_cnt ));
458 :
459 0 : fd_topo_link_t const * snapin_link = &topo->links[ tile->out_link_id[ 0UL ] ];
460 0 : FD_TEST( 0==strcmp( snapin_link->name, "snapdc_in" ) );
461 0 : ctx->out.mem = topo->workspaces[ topo->objs[ snapin_link->dcache_obj_id ].wksp_id ].wksp;
462 0 : ctx->out.chunk0 = fd_dcache_compact_chunk0( ctx->out.mem, snapin_link->dcache );
463 0 : ctx->out.wmark = fd_dcache_compact_wmark ( ctx->out.mem, snapin_link->dcache, snapin_link->mtu );
464 0 : ctx->out.chunk = ctx->out.chunk0;
465 0 : ctx->out.mtu = snapin_link->mtu;
466 :
467 0 : fd_topo_link_t const * in_link = &topo->links[ tile->in_link_id[ 0UL ] ];
468 0 : fd_topo_wksp_t const * in_wksp = &topo->workspaces[ topo->objs[ in_link->dcache_obj_id ].wksp_id ];
469 0 : ctx->in.mem = in_wksp->wksp;
470 0 : ctx->in.chunk0 = fd_dcache_compact_chunk0( ctx->in.mem, in_link->dcache );
471 0 : ctx->in.wmark = fd_dcache_compact_wmark( ctx->in.mem, in_link->dcache, in_link->mtu );
472 0 : ctx->in.mtu = in_link->mtu;
473 :
474 0 : ulong scratch_top = FD_SCRATCH_ALLOC_FINI( l, scratch_align() );
475 0 : if( FD_UNLIKELY( scratch_top > (ulong)scratch + scratch_footprint( tile ) ) )
476 0 : FD_LOG_ERR(( "scratch overflow %lu %lu %lu",
477 0 : scratch_top - (ulong)scratch - scratch_footprint( tile ),
478 0 : scratch_top,
479 0 : (ulong)scratch + scratch_footprint( tile ) ));
480 0 : }
481 :
482 0 : #define STEM_BURST 1UL
483 :
484 0 : #define STEM_LAZY (128L*3000L)
485 :
486 0 : #define STEM_CALLBACK_CONTEXT_TYPE fd_snapdc_tile_t
487 0 : #define STEM_CALLBACK_CONTEXT_ALIGN alignof(fd_snapdc_tile_t)
488 :
489 : #define STEM_CALLBACK_SHOULD_SHUTDOWN should_shutdown
490 0 : #define STEM_CALLBACK_METRICS_WRITE metrics_write
491 0 : #define STEM_CALLBACK_RETURNABLE_FRAG returnable_frag
492 :
493 : #include "../../disco/stem/fd_stem.c"
494 :
495 : fd_topo_run_tile_t fd_tile_snapdc = {
496 : .name = NAME,
497 : .populate_allowed_fds = populate_allowed_fds,
498 : .populate_allowed_seccomp = populate_allowed_seccomp,
499 : .scratch_align = scratch_align,
500 : .scratch_footprint = scratch_footprint,
501 : .unprivileged_init = unprivileged_init,
502 : .run = stem_run,
503 : };
504 :
505 : #undef NAME
|
