Line data Source code
1 : #include "fd_snapct_tile.h"
2 : #include "utils/fd_ssping.h"
3 : #include "utils/fd_ssctrl.h"
4 : #include "utils/fd_ssarchive.h"
5 : #include "utils/fd_http_resolver.h"
6 : #include "utils/fd_ssmsg.h"
7 :
8 : #include "../../disco/topo/fd_topo.h"
9 : #include "../../disco/metrics/fd_metrics.h"
10 : #include "../../flamenco/gossip/fd_gossip_types.h"
11 : #include "../../waltz/openssl/fd_openssl_tile.h"
12 :
13 : #include <errno.h>
14 : #include <stdio.h>
15 : #include <fcntl.h>
16 : #include <unistd.h>
17 : #include <sys/stat.h>
18 : #include <netinet/tcp.h>
19 : #include <netinet/in.h>
20 :
21 : #include "generated/fd_snapct_tile_seccomp.h"
22 :
23 : #define NAME "snapct"
24 :
25 : /* FIXME: Implement full_effective_age_cancel_threshold */
26 : /* FIXME: Add more timeout config options and have consistent behavior */
27 : /* FIXME: Do a finishing pass over the default.toml config options / comments */
28 : /* FIXME: Improve behavior when using incremental_snapshots = false */
29 : /* FIXME: Handle cases where no explicitly allowed peers advertise RPC */
30 : /* FIXME: Make the code more strict about duplicate IP:port's */
31 :
32 0 : #define GOSSIP_PEERS_MAX (FD_CONTACT_INFO_TABLE_SIZE)
33 0 : #define SERVER_PEERS_MAX (FD_TOPO_SNAPSHOTS_SERVERS_MAX_RESOLVED)
34 0 : #define TOTAL_PEERS_MAX (GOSSIP_PEERS_MAX + SERVER_PEERS_MAX)
35 :
36 0 : #define IN_KIND_ACK (0)
37 0 : #define IN_KIND_SNAPLD (1)
38 0 : #define IN_KIND_GOSSIP (2)
39 : #define MAX_IN_LINKS (3)
40 :
41 0 : #define TEMP_FULL_SNAP_NAME ".snapshot.tar.bz2-partial"
42 0 : #define TEMP_INCR_SNAP_NAME ".incremental-snapshot.tar.bz2-partial"
43 :
44 : struct fd_snapct_out_link {
45 : ulong idx;
46 : fd_wksp_t * mem;
47 : ulong chunk0;
48 : ulong wmark;
49 : ulong chunk;
50 : ulong mtu;
51 : };
52 : typedef struct fd_snapct_out_link fd_snapct_out_link_t;
53 :
54 : #define FD_SNAPCT_GOSSIP_FRESH_DEADLINE_NANOS (10L*1000L*1000L*1000L) /* gossip contact info is pushed every ~7.5 seconds */
55 0 : #define FD_SNAPCT_GOSSIP_SATURATION_CHECK_INTERVAL ( 10L*1000L*1000L)
56 0 : #define FD_SNAPCT_GOSSIP_SATURATION_THRESHOLD (0.05) /* 5% fresh peers */
57 :
58 0 : #define FD_SNAPCT_COLLECTING_PEERS_TIMEOUT (2L*60L*1000L*1000L*1000L) /* 2 minutes */
59 0 : #define FD_SNAPCT_WAITING_FOR_PEERS_TIMEOUT (30L*1000L*1000L*1000L) /* 30 seconds */
60 :
61 : struct gossip_ci_entry {
62 : fd_pubkey_t pubkey;
63 : int allowed;
64 : fd_ip4_port_t rpc_addr;
65 : long added_nanos;
66 : ulong map_next;
67 : };
68 : typedef struct gossip_ci_entry gossip_ci_entry_t;
69 :
70 : #define MAP_NAME gossip_ci_map
71 0 : #define MAP_KEY pubkey
72 : #define MAP_ELE_T gossip_ci_entry_t
73 : #define MAP_KEY_T fd_pubkey_t
74 0 : #define MAP_NEXT map_next
75 0 : #define MAP_KEY_EQ(k0,k1) fd_pubkey_eq( k0, k1 )
76 0 : #define MAP_KEY_HASH(key,seed) fd_hash( seed, key, sizeof(fd_pubkey_t) )
77 : #include "../../util/tmpl/fd_map_chain.c"
78 :
79 : struct fd_snapct_tile {
80 : struct fd_topo_tile_snapct config;
81 : int gossip_enabled;
82 : int download_enabled;
83 :
84 : fd_ssping_t * ssping;
85 : fd_http_resolver_t * ssresolver;
86 : fd_sspeer_selector_t * selector;
87 :
88 : int state;
89 : int malformed;
90 : long deadline_nanos;
91 : int flush_ack;
92 : fd_sspeer_t peer;
93 :
94 : struct {
95 : int dir_fd;
96 : int full_snapshot_fd;
97 : int incremental_snapshot_fd;
98 : } local_out;
99 :
100 : char http_full_snapshot_name[ PATH_MAX ];
101 : char http_incr_snapshot_name[ PATH_MAX ];
102 :
103 : fd_wksp_t const * gossip_in_mem;
104 : fd_wksp_t const * snapld_in_mem;
105 : uchar in_kind[ MAX_IN_LINKS ];
106 :
107 : struct {
108 : ulong full_slot;
109 : ulong slot;
110 : int pending;
111 : } predicted_incremental;
112 :
113 : struct {
114 : ulong full_snapshot_slot;
115 : char full_snapshot_path[ PATH_MAX ];
116 : ulong full_snapshot_size;
117 : int full_snapshot_zstd;
118 :
119 : ulong incremental_snapshot_slot;
120 : char incremental_snapshot_path[ PATH_MAX ];
121 : ulong incremental_snapshot_size;
122 : int incremental_snapshot_zstd;
123 : } local_in;
124 :
125 : struct {
126 : struct {
127 : ulong bytes_read;
128 : ulong bytes_written;
129 : ulong bytes_total;
130 : uint num_retries;
131 : } full;
132 :
133 : struct {
134 : ulong bytes_read;
135 : ulong bytes_written;
136 : ulong bytes_total;
137 : uint num_retries;
138 : } incremental;
139 : } metrics;
140 :
141 : struct {
142 : gossip_ci_entry_t * ci_table; /* flat array of all gossip entries, allowed or not */
143 : gossip_ci_map_t * ci_map; /* map from pubkey to only allowed gossip entries */
144 : ulong fresh_cnt;
145 : ulong total_cnt;
146 : int saturated;
147 : long next_saturated_check;
148 : } gossip;
149 :
150 : fd_snapct_out_link_t out_ld;
151 : fd_snapct_out_link_t out_gui;
152 : fd_snapct_out_link_t out_rp;
153 : };
154 : typedef struct fd_snapct_tile fd_snapct_tile_t;
155 :
156 : static int
157 0 : gossip_enabled( fd_topo_tile_t const * tile ) {
158 0 : return tile->snapct.sources.gossip.allow_any || tile->snapct.sources.gossip.allow_list_cnt>0UL;
159 0 : }
160 :
161 : static int
162 0 : download_enabled( fd_topo_tile_t const * tile ) {
163 0 : return gossip_enabled( tile ) || tile->snapct.sources.servers_cnt>0UL;
164 0 : }
165 :
166 : FD_FN_CONST static inline ulong
167 0 : loose_footprint( fd_topo_tile_t const * tile ) {
168 0 : (void)tile;
169 : /* Leftover space for OpenSSL allocations */
170 0 : return 1<<26UL; /* 64 MiB */
171 0 : }
172 :
173 : static ulong
174 0 : scratch_align( void ) {
175 0 : return fd_ulong_max( alignof(fd_snapct_tile_t),
176 0 : fd_ulong_max( fd_ssping_align(),
177 0 : fd_ulong_max( alignof(gossip_ci_entry_t),
178 0 : fd_ulong_max( gossip_ci_map_align(),
179 0 : fd_ulong_max( fd_http_resolver_align(),
180 0 : fd_sspeer_selector_align() ) ) ) ) );
181 0 : }
182 :
183 : static ulong
184 0 : scratch_footprint( fd_topo_tile_t const * tile FD_PARAM_UNUSED ) {
185 0 : ulong l = FD_LAYOUT_INIT;
186 0 : l = FD_LAYOUT_APPEND( l, alignof(fd_snapct_tile_t), sizeof(fd_snapct_tile_t) );
187 0 : l = FD_LAYOUT_APPEND( l, fd_ssping_align(), fd_ssping_footprint( TOTAL_PEERS_MAX ) );
188 0 : l = FD_LAYOUT_APPEND( l, alignof(gossip_ci_entry_t), sizeof(gossip_ci_entry_t) * GOSSIP_PEERS_MAX );
189 0 : l = FD_LAYOUT_APPEND( l, gossip_ci_map_align(), gossip_ci_map_footprint( gossip_ci_map_chain_cnt_est( GOSSIP_PEERS_MAX ) ) );
190 0 : l = FD_LAYOUT_APPEND( l, fd_http_resolver_align(), fd_http_resolver_footprint( SERVER_PEERS_MAX ) );
191 0 : l = FD_LAYOUT_APPEND( l, fd_sspeer_selector_align(), fd_sspeer_selector_footprint( TOTAL_PEERS_MAX ) );
192 0 : l = FD_LAYOUT_APPEND( l, fd_alloc_align(), fd_alloc_footprint() );
193 0 : return FD_LAYOUT_FINI( l, scratch_align() );
194 0 : }
195 :
196 : static inline int
197 0 : should_shutdown( fd_snapct_tile_t * ctx ) {
198 0 : return ctx->state==FD_SNAPCT_STATE_SHUTDOWN;
199 0 : }
200 :
201 : static void
202 0 : during_housekeeping( fd_snapct_tile_t * ctx ) {
203 0 : long now = fd_log_wallclock();
204 :
205 0 : if( FD_UNLIKELY( !ctx->gossip.saturated && now>ctx->gossip.next_saturated_check ) ) {
206 0 : ctx->gossip.next_saturated_check = now + FD_SNAPCT_GOSSIP_SATURATION_CHECK_INTERVAL;
207 :
208 0 : ulong fresh_cnt = 0UL;
209 0 : ulong total_cnt = 0UL;
210 0 : for( gossip_ci_map_iter_t iter = gossip_ci_map_iter_init( ctx->gossip.ci_map, ctx->gossip.ci_table );
211 0 : !gossip_ci_map_iter_done( iter, ctx->gossip.ci_map, ctx->gossip.ci_table );
212 0 : iter = gossip_ci_map_iter_next( iter, ctx->gossip.ci_map, ctx->gossip.ci_table ) ) {
213 0 : gossip_ci_entry_t const * ci_entry = gossip_ci_map_iter_ele_const( iter, ctx->gossip.ci_map, ctx->gossip.ci_table );
214 0 : if( FD_UNLIKELY( ci_entry->added_nanos>(now-FD_SNAPCT_GOSSIP_FRESH_DEADLINE_NANOS) ) ) fresh_cnt++;
215 0 : total_cnt++;
216 0 : }
217 0 : ctx->gossip.fresh_cnt = fresh_cnt;
218 0 : ctx->gossip.total_cnt = total_cnt;
219 :
220 0 : if( total_cnt!=0UL && total_cnt==ctx->config.sources.gossip.allow_list_cnt ) ctx->gossip.saturated = 1;
221 0 : else {
222 0 : double fresh = total_cnt ? (double)fresh_cnt/(double)total_cnt : 1.0;
223 0 : ctx->gossip.saturated = fresh<FD_SNAPCT_GOSSIP_SATURATION_THRESHOLD;
224 0 : }
225 0 : }
226 0 : }
227 :
228 : static void
229 0 : metrics_write( fd_snapct_tile_t * ctx ) {
230 0 : FD_MGAUGE_SET( SNAPCT, FULL_BYTES_READ, ctx->metrics.full.bytes_read );
231 0 : FD_MGAUGE_SET( SNAPCT, FULL_BYTES_WRITTEN, ctx->metrics.full.bytes_written );
232 0 : FD_MGAUGE_SET( SNAPCT, FULL_BYTES_TOTAL, ctx->metrics.full.bytes_total );
233 0 : FD_MGAUGE_SET( SNAPCT, FULL_DOWNLOAD_RETRIES, ctx->metrics.full.num_retries );
234 :
235 0 : FD_MGAUGE_SET( SNAPCT, INCREMENTAL_BYTES_READ, ctx->metrics.incremental.bytes_read );
236 0 : FD_MGAUGE_SET( SNAPCT, INCREMENTAL_BYTES_WRITTEN, ctx->metrics.incremental.bytes_written );
237 0 : FD_MGAUGE_SET( SNAPCT, INCREMENTAL_BYTES_TOTAL, ctx->metrics.incremental.bytes_total );
238 0 : FD_MGAUGE_SET( SNAPCT, INCREMENTAL_DOWNLOAD_RETRIES, ctx->metrics.incremental.num_retries );
239 :
240 0 : FD_MGAUGE_SET( SNAPCT, GOSSIP_FRESH_COUNT, ctx->gossip.fresh_cnt );
241 0 : FD_MGAUGE_SET( SNAPCT, GOSSIP_TOTAL_COUNT, ctx->gossip.total_cnt );
242 :
243 0 : FD_MGAUGE_SET( SNAPCT, PREDICTED_SLOT, ctx->predicted_incremental.slot );
244 :
245 0 : #if FD_HAS_OPENSSL
246 0 : FD_MCNT_SET( SNAPCT, SSL_ALLOC_ERRORS, fd_ossl_alloc_errors );
247 0 : #endif
248 :
249 0 : FD_MGAUGE_SET( SNAPCT, STATE, (ulong)ctx->state );
250 0 : }
251 :
252 : static void
253 : snapshot_path_gui_publish( fd_snapct_tile_t * ctx,
254 : fd_stem_context_t * stem,
255 : char const * path,
256 0 : int is_full ) {
257 : /* FIXME: Consider whether we can get everything we need from metrics
258 : rather than creating an entire link for this rare message */
259 0 : fd_snapct_update_t * out = fd_chunk_to_laddr( ctx->out_gui.mem, ctx->out_gui.chunk );
260 0 : FD_TEST( fd_cstr_printf_check( out->read_path, PATH_MAX, NULL, "%s", path ) );
261 0 : out->is_download = 0;
262 0 : out->type = fd_int_if( is_full, FD_SNAPCT_SNAPSHOT_TYPE_FULL, FD_SNAPCT_SNAPSHOT_TYPE_INCREMENTAL );
263 0 : fd_stem_publish( stem, ctx->out_gui.idx, 0UL, ctx->out_gui.chunk, sizeof(fd_snapct_update_t) , 0UL, 0UL, 0UL );
264 0 : ctx->out_gui.chunk = fd_dcache_compact_next( ctx->out_gui.chunk, sizeof(fd_snapct_update_t), ctx->out_gui.chunk0, ctx->out_gui.wmark );
265 0 : }
266 :
267 : static void
268 0 : predict_incremental( fd_snapct_tile_t * ctx ) {
269 0 : if( FD_UNLIKELY( !ctx->config.incremental_snapshots ) ) return;
270 0 : if( FD_UNLIKELY( ctx->predicted_incremental.full_slot==ULONG_MAX ) ) return;
271 :
272 0 : fd_sspeer_t best = fd_sspeer_selector_best( ctx->selector, 1, ctx->predicted_incremental.full_slot );
273 :
274 0 : if( FD_LIKELY( best.addr.l ) ) {
275 0 : if( FD_UNLIKELY( ctx->predicted_incremental.slot!=best.incr_slot ) ) {
276 0 : ctx->predicted_incremental.slot = best.incr_slot;
277 0 : ctx->predicted_incremental.pending = 1;
278 0 : }
279 0 : }
280 0 : }
281 :
282 : static void
283 : on_resolve( void * _ctx,
284 : fd_ip4_port_t addr,
285 : ulong full_slot,
286 : ulong incr_slot,
287 : uchar full_hash[ FD_HASH_FOOTPRINT ],
288 0 : uchar incr_hash[ FD_HASH_FOOTPRINT ] ) {
289 0 : fd_snapct_tile_t * ctx = (fd_snapct_tile_t *)_ctx;
290 :
291 0 : fd_sspeer_selector_add( ctx->selector, addr, ULONG_MAX, full_slot, incr_slot, full_hash, incr_hash );
292 0 : fd_sspeer_selector_process_cluster_slot( ctx->selector, full_slot, incr_slot );
293 0 : predict_incremental( ctx );
294 0 : }
295 :
296 : static void
297 : on_ping( void * _ctx,
298 : fd_ip4_port_t addr,
299 0 : ulong latency ) {
300 0 : fd_snapct_tile_t * ctx = (fd_snapct_tile_t *)_ctx;
301 :
302 0 : fd_sspeer_selector_add( ctx->selector, addr, latency, ULONG_MAX, ULONG_MAX, NULL, NULL );
303 0 : predict_incremental( ctx );
304 0 : }
305 :
306 : static void
307 : on_snapshot_hash( fd_snapct_tile_t * ctx,
308 : fd_ip4_port_t addr,
309 0 : fd_gossip_update_message_t const * msg ) {
310 0 : ulong full_slot = msg->snapshot_hashes.full->slot;
311 0 : ulong incr_slot = 0UL;
312 0 : uchar const * incr_hash = NULL;
313 :
314 0 : for( ulong i=0UL; i<msg->snapshot_hashes.incremental_len; i++ ) {
315 0 : if( FD_LIKELY( msg->snapshot_hashes.incremental[ i ].slot>incr_slot ) ) {
316 0 : incr_slot = msg->snapshot_hashes.incremental[ i ].slot;
317 0 : incr_hash = msg->snapshot_hashes.incremental[ i ].hash;
318 0 : }
319 0 : }
320 :
321 0 : fd_sspeer_selector_add( ctx->selector, addr, ULONG_MAX, full_slot, incr_slot, msg->snapshot_hashes.full->hash, incr_hash );
322 0 : fd_sspeer_selector_process_cluster_slot( ctx->selector, full_slot, incr_slot );
323 0 : predict_incremental( ctx );
324 0 : }
325 :
326 : static void
327 : send_expected_slot( fd_snapct_tile_t * ctx,
328 : fd_stem_context_t * stem,
329 0 : ulong slot ) {
330 0 : uint tsorig; uint tspub;
331 0 : fd_ssmsg_slot_to_frag( slot, &tsorig, &tspub );
332 0 : fd_stem_publish( stem, ctx->out_rp.idx, FD_SSMSG_EXPECTED_SLOT, 0UL, 0UL, 0UL, tsorig, tspub );
333 0 : }
334 :
335 : static void
336 0 : rename_snapshots( fd_snapct_tile_t * ctx ) {
337 0 : FD_TEST( -1!=ctx->local_out.dir_fd );
338 :
339 : /* FIXME: We should rename the full snapshot earlier as soon as the
340 : download is complete. That way, if the validator crashes during the
341 : incremental load, we can still use the snapshot on the next run. */
342 :
343 0 : if( FD_LIKELY( -1!=ctx->local_out.full_snapshot_fd && ctx->http_full_snapshot_name[ 0 ]!='\0' ) ) {
344 0 : if( FD_UNLIKELY( -1==renameat( ctx->local_out.dir_fd, TEMP_FULL_SNAP_NAME, ctx->local_out.dir_fd, ctx->http_full_snapshot_name ) ) )
345 0 : FD_LOG_ERR(( "renameat() failed (%i-%s)", errno, fd_io_strerror( errno ) ));
346 0 : }
347 0 : if( FD_LIKELY( -1!=ctx->local_out.incremental_snapshot_fd && ctx->http_incr_snapshot_name[ 0 ]!='\0' ) ) {
348 0 : if( FD_UNLIKELY( -1==renameat( ctx->local_out.dir_fd, TEMP_INCR_SNAP_NAME, ctx->local_out.dir_fd, ctx->http_incr_snapshot_name ) ) )
349 0 : FD_LOG_ERR(( "renameat() failed (%i-%s)", errno, fd_io_strerror( errno ) ));
350 0 : }
351 0 : }
352 :
353 : static ulong
354 : rlimit_file_cnt( fd_topo_t const * topo FD_PARAM_UNUSED,
355 0 : fd_topo_tile_t const * tile ) {
356 0 : ulong cnt = 1UL + /* stderr */
357 0 : 1UL; /* logfile */
358 0 : if( download_enabled( tile ) ) {
359 0 : cnt += 1UL + /* ssping socket */
360 0 : 2UL + /* dirfd + full snapshot download temp fd */
361 0 : tile->snapct.sources.servers_cnt; /* http resolver peer full sockets */
362 0 : if( tile->snapct.incremental_snapshots ) {
363 0 : cnt += 1UL + /* incr snapshot download temp fd */
364 0 : tile->snapct.sources.servers_cnt; /* http resolver peer incr sockets */
365 0 : }
366 0 : }
367 0 : return cnt;
368 0 : }
369 :
370 : static ulong
371 : populate_allowed_seccomp( fd_topo_t const * topo,
372 : fd_topo_tile_t const * tile,
373 : ulong out_cnt,
374 0 : struct sock_filter * out ) {
375 :
376 0 : void * scratch = fd_topo_obj_laddr( topo, tile->tile_obj_id );
377 :
378 0 : FD_SCRATCH_ALLOC_INIT( l, scratch );
379 0 : fd_snapct_tile_t * ctx = FD_SCRATCH_ALLOC_APPEND( l, alignof(fd_snapct_tile_t), sizeof(fd_snapct_tile_t) );
380 :
381 0 : int ping_fd = download_enabled( tile ) ? fd_ssping_get_sockfd( ctx->ssping ) : -1;
382 0 : populate_sock_filter_policy_fd_snapct_tile( out_cnt, out, (uint)fd_log_private_logfile_fd(), (uint)ctx->local_out.dir_fd, (uint)ctx->local_out.full_snapshot_fd, (uint)ctx->local_out.incremental_snapshot_fd, (uint)ping_fd );
383 0 : return sock_filter_policy_fd_snapct_tile_instr_cnt;
384 0 : }
385 :
386 : static ulong
387 : populate_allowed_fds( fd_topo_t const * topo,
388 : fd_topo_tile_t const * tile,
389 : ulong out_fds_cnt,
390 0 : int * out_fds ) {
391 0 : if( FD_UNLIKELY( out_fds_cnt<6UL ) ) FD_LOG_ERR(( "out_fds_cnt %lu", out_fds_cnt ));
392 :
393 0 : ulong out_cnt = 0;
394 0 : out_fds[ out_cnt++ ] = 2UL; /* stderr */
395 0 : if( FD_LIKELY( -1!=fd_log_private_logfile_fd() ) ) {
396 0 : out_fds[ out_cnt++ ] = fd_log_private_logfile_fd(); /* logfile */
397 0 : }
398 :
399 0 : void * scratch = fd_topo_obj_laddr( topo, tile->tile_obj_id );
400 :
401 0 : FD_SCRATCH_ALLOC_INIT( l, scratch );
402 0 : fd_snapct_tile_t * ctx = FD_SCRATCH_ALLOC_APPEND( l, alignof(fd_snapct_tile_t), sizeof(fd_snapct_tile_t) );
403 0 : if( FD_LIKELY( -1!=ctx->local_out.dir_fd ) ) out_fds[ out_cnt++ ] = ctx->local_out.dir_fd;
404 0 : if( FD_LIKELY( -1!=ctx->local_out.full_snapshot_fd ) ) out_fds[ out_cnt++ ] = ctx->local_out.full_snapshot_fd;
405 0 : if( FD_LIKELY( -1!=ctx->local_out.incremental_snapshot_fd ) ) out_fds[ out_cnt++ ] = ctx->local_out.incremental_snapshot_fd;
406 0 : if( FD_LIKELY( download_enabled( tile ) ) ) out_fds[ out_cnt++ ] = fd_ssping_get_sockfd( ctx->ssping );
407 :
408 0 : return out_cnt;
409 0 : }
410 :
411 : static void
412 : init_load( fd_snapct_tile_t * ctx,
413 : fd_stem_context_t * stem,
414 : int full,
415 0 : int file ) {
416 0 : fd_ssctrl_init_t * out = fd_chunk_to_laddr( ctx->out_ld.mem, ctx->out_ld.chunk );
417 0 : out->file = file;
418 0 : out->zstd = !file || (full ? ctx->local_in.full_snapshot_zstd : ctx->local_in.incremental_snapshot_zstd);
419 0 : if( file ) out->slot = full ? ctx->local_in.full_snapshot_slot : ctx->local_in.incremental_snapshot_slot;
420 0 : else out->slot = full ? ctx->predicted_incremental.full_slot : ctx->predicted_incremental.slot;
421 :
422 0 : if( !file ) {
423 0 : out->addr = ctx->peer.addr;
424 0 : char encoded_hash[ FD_BASE58_ENCODED_32_SZ ];
425 0 : if( full ) {
426 0 : fd_base58_encode_32( ctx->peer.full_hash, NULL, encoded_hash );
427 0 : FD_TEST( fd_cstr_printf_check( out->path, PATH_MAX, &out->path_len, "/snapshot-%lu-%s.tar.zst", ctx->peer.full_slot, encoded_hash ) );
428 0 : FD_TEST( fd_cstr_printf_check( ctx->http_full_snapshot_name, PATH_MAX, NULL, "snapshot-%lu-%s.tar.zst", ctx->peer.full_slot, encoded_hash ) );
429 0 : } else {
430 0 : fd_base58_encode_32( ctx->peer.incr_hash, NULL, encoded_hash );
431 0 : FD_TEST( fd_cstr_printf_check( out->path, PATH_MAX, &out->path_len, "/incremental-snapshot-%lu-%lu-%s.tar.zst", ctx->peer.full_slot, ctx->peer.incr_slot, encoded_hash ) );
432 0 : FD_TEST( fd_cstr_printf_check( ctx->http_incr_snapshot_name, PATH_MAX, NULL, "incremental-snapshot-%lu-%lu-%s.tar.zst", ctx->peer.full_slot, ctx->peer.incr_slot, encoded_hash ) );
433 0 : }
434 :
435 0 : for( ulong i=0UL; i<SERVER_PEERS_MAX; i++ ) {
436 0 : if( FD_UNLIKELY( ctx->peer.addr.l==ctx->config.sources.servers[ i ].addr.l ) ) {
437 0 : fd_cstr_ncpy( out->hostname, ctx->config.sources.servers[ i ].hostname, sizeof(out->hostname) );
438 0 : out->is_https = ctx->config.sources.servers[ i ].is_https;
439 0 : break;
440 0 : }
441 0 : }
442 0 : }
443 0 : fd_stem_publish( stem, ctx->out_ld.idx, full ? FD_SNAPSHOT_MSG_CTRL_INIT_FULL : FD_SNAPSHOT_MSG_CTRL_INIT_INCR, ctx->out_ld.chunk, sizeof(fd_ssctrl_init_t), 0UL, 0UL, 0UL );
444 0 : ctx->out_ld.chunk = fd_dcache_compact_next( ctx->out_ld.chunk, sizeof(fd_ssctrl_init_t), ctx->out_ld.chunk0, ctx->out_ld.wmark );
445 0 : ctx->flush_ack = 0;
446 :
447 : /* If we are downloading the snapshot, we will get the snapshot size
448 : in bytes from a metadata message sent from snapld. */
449 0 : if( file ) {
450 0 : if( full ) ctx->metrics.full.bytes_total = ctx->local_in.full_snapshot_size;
451 0 : else ctx->metrics.incremental.bytes_total = ctx->local_in.incremental_snapshot_size;
452 0 : }
453 :
454 0 : if( !file ) {
455 0 : if( full ) {
456 : /* reset any written content in the full output snapshot */
457 0 : if( FD_UNLIKELY( -1==ftruncate( ctx->local_out.full_snapshot_fd, 0UL ) ) ) {
458 0 : FD_LOG_ERR(( "ftruncate(%s) failed (%i-%s)", ctx->http_full_snapshot_name, errno, fd_io_strerror( errno ) ));
459 0 : }
460 0 : if( FD_UNLIKELY( -1==lseek( ctx->local_out.full_snapshot_fd, 0L, SEEK_SET ) ) ) {
461 0 : FD_LOG_ERR(( "lseek(%s) failed (%i-%s)", ctx->http_full_snapshot_name, errno, fd_io_strerror( errno ) ));
462 0 : }
463 0 : } else {
464 : /* reset any written content in the incremental snapshot output
465 : file */
466 0 : if( FD_UNLIKELY( -1==ftruncate( ctx->local_out.incremental_snapshot_fd, 0UL ) ) ) {
467 0 : FD_LOG_ERR(( "ftruncate(%s) failed (%i-%s)", ctx->http_incr_snapshot_name, errno, fd_io_strerror( errno ) ));
468 0 : }
469 0 : if( FD_UNLIKELY( -1==lseek( ctx->local_out.incremental_snapshot_fd, 0L, SEEK_SET ) ) ) {
470 0 : FD_LOG_ERR(( "lseek(%s) failed (%i-%s)", ctx->http_incr_snapshot_name, errno, fd_io_strerror( errno ) ));
471 0 : }
472 0 : }
473 0 : }
474 :
475 : /* Regardless of whether we load the snapshot from a file or download
476 : it, we know the name of the snapshot and can publish it to the gui
477 : here. */
478 0 : if( full ) {
479 0 : if( FD_LIKELY( !!ctx->out_gui.mem ) ) {
480 0 : if( file ) {
481 0 : fd_cstr_fini( ctx->http_full_snapshot_name );
482 0 : snapshot_path_gui_publish( ctx, stem, ctx->local_in.full_snapshot_path, 1 );
483 0 : }
484 0 : else {
485 0 : char snapshot_path[ PATH_MAX+30UL ]; /* 30 is fd_cstr_nlen( "https://255.255.255.255:65536/", ULONG_MAX ) */
486 0 : FD_TEST( fd_cstr_printf_check( snapshot_path, sizeof(snapshot_path), NULL, "http://" FD_IP4_ADDR_FMT ":%hu/%s", FD_IP4_ADDR_FMT_ARGS( ctx->peer.addr.addr ), fd_ushort_bswap( ctx->peer.addr.port ), ctx->http_full_snapshot_name ) );
487 0 : snapshot_path_gui_publish( ctx, stem, snapshot_path, 1 );
488 0 : }
489 0 : }
490 0 : } else {
491 0 : if( FD_LIKELY( !!ctx->out_gui.mem ) ) {
492 0 : if( file ) {
493 0 : fd_cstr_fini( ctx->http_incr_snapshot_name );
494 0 : snapshot_path_gui_publish( ctx, stem, ctx->local_in.incremental_snapshot_path, 0 );
495 0 : } else {
496 0 : char snapshot_path[ PATH_MAX+30UL ]; /* 30 is fd_cstr_nlen( "https://255.255.255.255:65536/", ULONG_MAX ) */
497 0 : FD_TEST( fd_cstr_printf_check( snapshot_path, sizeof(snapshot_path), NULL, "http://" FD_IP4_ADDR_FMT ":%hu/%s", FD_IP4_ADDR_FMT_ARGS( ctx->peer.addr.addr ), fd_ushort_bswap( ctx->peer.addr.port ), ctx->http_incr_snapshot_name ) );
498 0 : snapshot_path_gui_publish( ctx, stem, snapshot_path, 0 );
499 0 : }
500 0 : }
501 0 : }
502 0 : }
503 :
504 : static void
505 : log_download( fd_snapct_tile_t * ctx,
506 : int full,
507 : fd_ip4_port_t addr,
508 0 : ulong slot ) {
509 0 : for( gossip_ci_map_iter_t iter = gossip_ci_map_iter_init( ctx->gossip.ci_map, ctx->gossip.ci_table );
510 0 : !gossip_ci_map_iter_done( iter, ctx->gossip.ci_map, ctx->gossip.ci_table );
511 0 : iter = gossip_ci_map_iter_next( iter, ctx->gossip.ci_map, ctx->gossip.ci_table ) ) {
512 0 : gossip_ci_entry_t const * ci_entry = gossip_ci_map_iter_ele_const( iter, ctx->gossip.ci_map, ctx->gossip.ci_table );
513 0 : if( ci_entry->rpc_addr.l==addr.l ) {
514 0 : FD_TEST( ci_entry->allowed );
515 0 : FD_BASE58_ENCODE_32_BYTES( ci_entry->pubkey.uc, pubkey_b58 );
516 0 : FD_LOG_NOTICE(( "downloading %s snapshot at slot %lu from allowed gossip peer %s at http://" FD_IP4_ADDR_FMT ":%hu/%s",
517 0 : full ? "full" : "incremental", slot, pubkey_b58,
518 0 : FD_IP4_ADDR_FMT_ARGS( addr.addr ), fd_ushort_bswap( addr.port ),
519 0 : full ? ctx->http_full_snapshot_name : ctx->http_incr_snapshot_name ));
520 0 : return;
521 0 : }
522 0 : }
523 :
524 0 : for( ulong i=0UL; i<ctx->config.sources.servers_cnt; i++ ) {
525 0 : if( addr.l==ctx->config.sources.servers[ i ].addr.l ) {
526 0 : if( ctx->config.sources.servers[ i ].is_https ) {
527 0 : FD_LOG_NOTICE(( "downloading %s snapshot at slot %lu from configured server with index %lu at https://%s:%hu/%s",
528 0 : full ? "full" : "incremental", slot, i,
529 0 : ctx->config.sources.servers[ i ].hostname, fd_ushort_bswap( addr.port ),
530 0 : full ? ctx->http_full_snapshot_name : ctx->http_incr_snapshot_name ));
531 0 : } else {
532 0 : FD_LOG_NOTICE(( "downloading %s snapshot at slot %lu from configured server with index %lu at http://" FD_IP4_ADDR_FMT ":%hu/%s",
533 0 : full ? "full" : "incremental", slot, i,
534 0 : FD_IP4_ADDR_FMT_ARGS( addr.addr ), fd_ushort_bswap( addr.port ),
535 0 : full ? ctx->http_full_snapshot_name : ctx->http_incr_snapshot_name ));
536 0 : }
537 0 : return;
538 0 : }
539 0 : }
540 :
541 0 : FD_TEST( 0 ); /* should not be possible */
542 0 : }
543 :
544 : static void
545 : after_credit( fd_snapct_tile_t * ctx,
546 : fd_stem_context_t * stem,
547 : int * opt_poll_in FD_PARAM_UNUSED,
548 0 : int * charge_busy FD_PARAM_UNUSED ) {
549 0 : long now = fd_log_wallclock();
550 :
551 0 : if( FD_LIKELY( ctx->ssping ) ) fd_ssping_advance( ctx->ssping, now, ctx->selector );
552 0 : if( FD_LIKELY( ctx->ssresolver ) ) fd_http_resolver_advance( ctx->ssresolver, now, ctx->selector );
553 :
554 : /* send an expected slot message as the predicted incremental
555 : could have changed as a result of the pinger, resolver, or from
556 : processing gossip frags in gossip_frag. */
557 0 : if( FD_LIKELY( ctx->predicted_incremental.pending ) ) {
558 0 : send_expected_slot( ctx, stem, ctx->predicted_incremental.slot );
559 0 : ctx->predicted_incremental.pending = 0;
560 0 : }
561 :
562 : /* Note: All state transitions should occur within this switch
563 : statement to make it easier to reason about the state management. */
564 :
565 : /* FIXME: Collapse WAITING_FOR_PEERS and COLLECTING_PEERS states for
566 : both full and incremental variants? */
567 :
568 0 : switch ( ctx->state ) {
569 :
570 : /* ============================================================== */
571 0 : case FD_SNAPCT_STATE_INIT: {
572 0 : if( FD_UNLIKELY( !ctx->download_enabled ) ) {
573 0 : ulong local_slot = ctx->config.incremental_snapshots ? ctx->local_in.incremental_snapshot_slot : ctx->local_in.full_snapshot_slot;
574 0 : send_expected_slot( ctx, stem, local_slot );
575 0 : FD_LOG_NOTICE(( "reading full snapshot at slot %lu from local file `%s`", ctx->local_in.full_snapshot_slot, ctx->local_in.full_snapshot_path ));
576 0 : ctx->predicted_incremental.full_slot = ctx->local_in.full_snapshot_slot;
577 0 : ctx->state = FD_SNAPCT_STATE_READING_FULL_FILE;
578 0 : init_load( ctx, stem, 1, 1 );
579 0 : break;
580 0 : }
581 0 : ctx->deadline_nanos = now+FD_SNAPCT_WAITING_FOR_PEERS_TIMEOUT;
582 0 : ctx->state = FD_SNAPCT_STATE_WAITING_FOR_PEERS;
583 0 : break;
584 0 : }
585 :
586 : /* ============================================================== */
587 0 : case FD_SNAPCT_STATE_WAITING_FOR_PEERS: {
588 0 : if( FD_UNLIKELY( now>ctx->deadline_nanos ) ) FD_LOG_ERR(( "timed out waiting for peers." ));
589 :
590 0 : fd_sspeer_t best = fd_sspeer_selector_best( ctx->selector, 0, ULONG_MAX );
591 0 : if( FD_LIKELY( best.addr.l ) ) {
592 0 : ctx->state = FD_SNAPCT_STATE_COLLECTING_PEERS;
593 0 : ctx->deadline_nanos = now+FD_SNAPCT_COLLECTING_PEERS_TIMEOUT;
594 0 : }
595 0 : break;
596 0 : }
597 :
598 : /* ============================================================== */
599 0 : case FD_SNAPCT_STATE_WAITING_FOR_PEERS_INCREMENTAL: {
600 0 : if( FD_UNLIKELY( now>ctx->deadline_nanos ) ) FD_LOG_ERR(( "timed out waiting for peers." ));
601 :
602 0 : FD_TEST( ctx->predicted_incremental.full_slot!=ULONG_MAX );
603 0 : fd_sspeer_t best = fd_sspeer_selector_best( ctx->selector, 1, ctx->predicted_incremental.full_slot );
604 0 : if( FD_LIKELY( best.addr.l ) ) {
605 0 : ctx->state = FD_SNAPCT_STATE_COLLECTING_PEERS_INCREMENTAL;
606 0 : ctx->deadline_nanos = now;
607 0 : }
608 0 : break;
609 0 : }
610 :
611 : /* ============================================================== */
612 0 : case FD_SNAPCT_STATE_COLLECTING_PEERS: {
613 0 : if( FD_UNLIKELY( !ctx->gossip.saturated && now<ctx->deadline_nanos ) ) break;
614 :
615 0 : fd_sspeer_t best = fd_sspeer_selector_best( ctx->selector, 0, ULONG_MAX );
616 0 : if( FD_UNLIKELY( !best.addr.l ) ) {
617 0 : ctx->deadline_nanos = now + FD_SNAPCT_WAITING_FOR_PEERS_TIMEOUT;
618 0 : ctx->state = FD_SNAPCT_STATE_WAITING_FOR_PEERS;
619 0 : break;
620 0 : }
621 :
622 0 : fd_sscluster_slot_t cluster = fd_sspeer_selector_cluster_slot( ctx->selector );
623 0 : if( FD_UNLIKELY( cluster.incremental==ULONG_MAX && ctx->config.incremental_snapshots ) ) {
624 : /* We must have a cluster full slot to be in this state. */
625 0 : FD_TEST( cluster.full!=ULONG_MAX );
626 : /* fall back to full snapshot only if the highest cluster slot
627 : is a full snapshot only */
628 0 : ctx->config.incremental_snapshots = 0;
629 0 : }
630 :
631 0 : ulong cluster_slot = ctx->config.incremental_snapshots ? cluster.incremental : cluster.full;
632 0 : ulong local_slot = ctx->config.incremental_snapshots ? ctx->local_in.incremental_snapshot_slot : ctx->local_in.full_snapshot_slot;
633 0 : ulong local_slot_with_download = local_slot;
634 0 : int local_too_old = local_slot!=ULONG_MAX && ctx->local_in.full_snapshot_slot!=ULONG_MAX && local_slot<fd_ulong_sat_sub( cluster_slot, ctx->config.sources.max_local_incremental_age );
635 0 : int local_full_only = ctx->local_in.incremental_snapshot_slot==ULONG_MAX && ctx->local_in.full_snapshot_slot!=ULONG_MAX;
636 0 : if( FD_LIKELY( (ctx->config.incremental_snapshots && local_full_only) || local_too_old ) ) {
637 0 : fd_sspeer_t best_incremental = fd_sspeer_selector_best( ctx->selector, 1, ctx->local_in.full_snapshot_slot );
638 0 : if( FD_LIKELY( best_incremental.addr.l ) ) {
639 0 : ctx->predicted_incremental.slot = best_incremental.incr_slot;
640 0 : local_slot_with_download = best_incremental.incr_slot;
641 0 : ctx->local_in.incremental_snapshot_slot = ULONG_MAX; /* don't use the local incremental snapshot */
642 0 : }
643 0 : }
644 :
645 0 : int can_use_local_full = local_slot_with_download!=ULONG_MAX && ctx->local_in.full_snapshot_slot!=ULONG_MAX &&
646 0 : local_slot_with_download>=fd_ulong_sat_sub( cluster_slot, ctx->config.sources.max_local_full_effective_age );
647 0 : if( FD_LIKELY( can_use_local_full ) ) {
648 0 : send_expected_slot( ctx, stem, local_slot );
649 :
650 0 : FD_LOG_NOTICE(( "reading full snapshot at slot %lu from local file `%s`", ctx->local_in.full_snapshot_slot, ctx->local_in.full_snapshot_path ));
651 0 : ctx->predicted_incremental.full_slot = ctx->local_in.full_snapshot_slot;
652 0 : ctx->state = FD_SNAPCT_STATE_READING_FULL_FILE;
653 0 : init_load( ctx, stem, 1, 1 );
654 0 : } else {
655 0 : if( FD_UNLIKELY( !ctx->config.incremental_snapshots ) ) send_expected_slot( ctx, stem, best.full_slot );
656 :
657 0 : fd_sspeer_t best_incremental = fd_sspeer_selector_best( ctx->selector, 1, best.full_slot );
658 0 : if( FD_LIKELY( best_incremental.addr.l ) ) {
659 0 : ctx->predicted_incremental.slot = best_incremental.incr_slot;
660 0 : send_expected_slot( ctx, stem, best_incremental.incr_slot );
661 0 : }
662 :
663 0 : ctx->peer = best;
664 0 : ctx->state = FD_SNAPCT_STATE_READING_FULL_HTTP;
665 0 : ctx->predicted_incremental.full_slot = best.full_slot;
666 0 : init_load( ctx, stem, 1, 0 );
667 0 : log_download( ctx, 1, best.addr, best.full_slot );
668 0 : }
669 0 : break;
670 0 : }
671 :
672 : /* ============================================================== */
673 0 : case FD_SNAPCT_STATE_COLLECTING_PEERS_INCREMENTAL: {
674 0 : if( FD_UNLIKELY( now<ctx->deadline_nanos ) ) break;
675 :
676 0 : fd_sspeer_t best = fd_sspeer_selector_best( ctx->selector, 1, ctx->predicted_incremental.full_slot );
677 0 : if( FD_UNLIKELY( !best.addr.l ) ) {
678 0 : ctx->deadline_nanos = now + FD_SNAPCT_WAITING_FOR_PEERS_TIMEOUT;
679 0 : ctx->state = FD_SNAPCT_STATE_WAITING_FOR_PEERS_INCREMENTAL;
680 0 : break;
681 0 : }
682 :
683 : /* decide whether to use the local incremental snapshot if one
684 : exists and is not too old, otherwise download a new incremental
685 : snapshot. */
686 0 : ulong cluster_slot = fd_sspeer_selector_cluster_slot( ctx->selector ).incremental;
687 0 : ulong local_slot = ctx->local_in.incremental_snapshot_slot;
688 0 : int local_too_old = local_slot<fd_ulong_sat_sub( cluster_slot, ctx->config.sources.max_local_incremental_age );
689 0 : if( FD_LIKELY( local_slot!=ULONG_MAX && !local_too_old ) ) {
690 0 : ctx->predicted_incremental.slot = local_slot;
691 0 : send_expected_slot( ctx, stem, local_slot );
692 :
693 0 : FD_LOG_NOTICE(( "reading incremental snapshot at slot %lu from local file `%s`", ctx->local_in.incremental_snapshot_slot, ctx->local_in.incremental_snapshot_path ));
694 0 : ctx->state = FD_SNAPCT_STATE_READING_INCREMENTAL_FILE;
695 0 : init_load( ctx, stem, 0, 1 );
696 0 : } else {
697 0 : ctx->predicted_incremental.slot = best.incr_slot;
698 0 : send_expected_slot( ctx, stem, best.incr_slot );
699 :
700 0 : ctx->peer = best;
701 0 : ctx->state = FD_SNAPCT_STATE_READING_INCREMENTAL_HTTP;
702 0 : init_load( ctx, stem, 0, 0 );
703 0 : log_download( ctx, 0, best.addr, best.incr_slot );
704 0 : }
705 0 : break;
706 0 : }
707 :
708 : /* ============================================================== */
709 0 : case FD_SNAPCT_STATE_FLUSHING_INCREMENTAL_FILE_FINI:
710 0 : if( !ctx->flush_ack ) break;
711 :
712 0 : if( FD_UNLIKELY( ctx->malformed ) ) {
713 0 : ctx->malformed = 0;
714 0 : fd_stem_publish( stem, ctx->out_ld.idx, FD_SNAPSHOT_MSG_CTRL_FAIL, 0UL, 0UL, 0UL, 0UL, 0UL );
715 0 : ctx->flush_ack = 0;
716 0 : ctx->state = FD_SNAPCT_STATE_FLUSHING_INCREMENTAL_FILE_RESET;
717 0 : FD_LOG_WARNING(( "error reading snapshot from local file `%s`", ctx->local_in.incremental_snapshot_path ));
718 0 : break;
719 0 : }
720 :
721 0 : ctx->state = FD_SNAPCT_STATE_FLUSHING_INCREMENTAL_FILE_DONE;
722 0 : fd_stem_publish( stem, ctx->out_ld.idx, FD_SNAPSHOT_MSG_CTRL_DONE, 0UL, 0UL, 0UL, 0UL, 0UL );
723 0 : ctx->flush_ack = 0;
724 0 : break;
725 :
726 : /* ============================================================== */
727 0 : case FD_SNAPCT_STATE_FLUSHING_INCREMENTAL_FILE_DONE:
728 0 : if( !ctx->flush_ack ) break;
729 :
730 0 : if( FD_UNLIKELY( ctx->malformed ) ) {
731 0 : ctx->malformed = 0;
732 0 : fd_stem_publish( stem, ctx->out_ld.idx, FD_SNAPSHOT_MSG_CTRL_FAIL, 0UL, 0UL, 0UL, 0UL, 0UL );
733 0 : ctx->flush_ack = 0;
734 0 : ctx->state = FD_SNAPCT_STATE_FLUSHING_INCREMENTAL_FILE_RESET;
735 0 : FD_LOG_WARNING(( "error reading snapshot from local file `%s`", ctx->local_in.incremental_snapshot_path ));
736 0 : break;
737 0 : }
738 :
739 0 : ctx->state = FD_SNAPCT_STATE_SHUTDOWN;
740 0 : fd_stem_publish( stem, ctx->out_ld.idx, FD_SNAPSHOT_MSG_CTRL_SHUTDOWN, 0UL, 0UL, 0UL, 0UL, 0UL );
741 0 : break;
742 :
743 : /* ============================================================== */
744 0 : case FD_SNAPCT_STATE_FLUSHING_INCREMENTAL_HTTP_FINI:
745 0 : if( !ctx->flush_ack ) break;
746 :
747 0 : if( FD_UNLIKELY( ctx->malformed ) ) {
748 0 : ctx->malformed = 0;
749 0 : fd_stem_publish( stem, ctx->out_ld.idx, FD_SNAPSHOT_MSG_CTRL_FAIL, 0UL, 0UL, 0UL, 0UL, 0UL );
750 0 : ctx->flush_ack = 0;
751 0 : ctx->state = FD_SNAPCT_STATE_FLUSHING_INCREMENTAL_HTTP_RESET;
752 0 : FD_LOG_WARNING(( "error downloading snapshot from http://" FD_IP4_ADDR_FMT ":%hu/incremental-snapshot.tar.bz2",
753 0 : FD_IP4_ADDR_FMT_ARGS( ctx->peer.addr.addr ), fd_ushort_bswap( ctx->peer.addr.port ) ));
754 0 : fd_ssping_invalidate( ctx->ssping, ctx->peer.addr, fd_log_wallclock() );
755 0 : fd_sspeer_selector_remove( ctx->selector, ctx->peer.addr );
756 0 : break;
757 0 : }
758 :
759 0 : ctx->state = FD_SNAPCT_STATE_FLUSHING_INCREMENTAL_HTTP_DONE;
760 0 : fd_stem_publish( stem, ctx->out_ld.idx, FD_SNAPSHOT_MSG_CTRL_DONE, 0UL, 0UL, 0UL, 0UL, 0UL );
761 0 : ctx->flush_ack = 0;
762 0 : break;
763 :
764 : /* ============================================================== */
765 0 : case FD_SNAPCT_STATE_FLUSHING_INCREMENTAL_HTTP_DONE:
766 0 : if( !ctx->flush_ack ) break;
767 :
768 0 : if( FD_UNLIKELY( ctx->malformed ) ) {
769 0 : ctx->malformed = 0;
770 0 : fd_stem_publish( stem, ctx->out_ld.idx, FD_SNAPSHOT_MSG_CTRL_FAIL, 0UL, 0UL, 0UL, 0UL, 0UL );
771 0 : ctx->flush_ack = 0;
772 0 : ctx->state = FD_SNAPCT_STATE_FLUSHING_INCREMENTAL_HTTP_RESET;
773 0 : FD_LOG_WARNING(( "error downloading snapshot from http://" FD_IP4_ADDR_FMT ":%hu/incremental-snapshot.tar.bz2",
774 0 : FD_IP4_ADDR_FMT_ARGS( ctx->peer.addr.addr ), fd_ushort_bswap( ctx->peer.addr.port ) ));
775 0 : fd_ssping_invalidate( ctx->ssping, ctx->peer.addr, fd_log_wallclock() );
776 0 : fd_sspeer_selector_remove( ctx->selector, ctx->peer.addr );
777 0 : break;
778 0 : }
779 :
780 0 : ctx->state = FD_SNAPCT_STATE_SHUTDOWN;
781 0 : rename_snapshots( ctx );
782 0 : fd_stem_publish( stem, ctx->out_ld.idx, FD_SNAPSHOT_MSG_CTRL_SHUTDOWN, 0UL, 0UL, 0UL, 0UL, 0UL );
783 0 : break;
784 :
785 : /* ============================================================== */
786 0 : case FD_SNAPCT_STATE_FLUSHING_FULL_FILE_FINI:
787 0 : if( !ctx->flush_ack ) break;
788 :
789 0 : if( FD_UNLIKELY( ctx->malformed ) ) {
790 0 : ctx->malformed = 0;
791 0 : fd_stem_publish( stem, ctx->out_ld.idx, FD_SNAPSHOT_MSG_CTRL_FAIL, 0UL, 0UL, 0UL, 0UL, 0UL );
792 0 : ctx->flush_ack = 0;
793 0 : ctx->state = FD_SNAPCT_STATE_FLUSHING_FULL_FILE_RESET;
794 0 : FD_LOG_WARNING(( "error reading snapshot from local file `%s`", ctx->local_in.full_snapshot_path ));
795 0 : break;
796 0 : }
797 :
798 0 : ctx->state = FD_SNAPCT_STATE_FLUSHING_FULL_FILE_DONE;
799 0 : ulong sig = ctx->config.incremental_snapshots &&
800 0 : (ctx->local_in.incremental_snapshot_slot!=ULONG_MAX || ctx->download_enabled) ? FD_SNAPSHOT_MSG_CTRL_NEXT : FD_SNAPSHOT_MSG_CTRL_DONE;
801 0 : if( sig==FD_SNAPSHOT_MSG_CTRL_DONE && ctx->config.incremental_snapshots ) {
802 : /* set incremental snapshots to 0 if there is no local
803 : incremental snapshot and download is not enabled. */
804 0 : FD_LOG_WARNING(( "incremental snapshots were enabled via [snapshots.incremental_snapshots] "
805 0 : "but no incremental snapshot exists on disk and no snapshot peers are configured. "
806 0 : "skipping incremental snapshot load." ));
807 0 : ctx->config.incremental_snapshots = 0;
808 0 : }
809 0 : fd_stem_publish( stem, ctx->out_ld.idx, sig, 0UL, 0UL, 0UL, 0UL, 0UL );
810 0 : ctx->flush_ack = 0;
811 0 : break;
812 :
813 : /* ============================================================== */
814 0 : case FD_SNAPCT_STATE_FLUSHING_FULL_FILE_DONE:
815 0 : if( !ctx->flush_ack ) break;
816 :
817 0 : if( FD_UNLIKELY( ctx->malformed ) ) {
818 0 : ctx->malformed = 0;
819 0 : fd_stem_publish( stem, ctx->out_ld.idx, FD_SNAPSHOT_MSG_CTRL_FAIL, 0UL, 0UL, 0UL, 0UL, 0UL );
820 0 : ctx->flush_ack = 0;
821 0 : ctx->state = FD_SNAPCT_STATE_FLUSHING_FULL_FILE_RESET;
822 0 : FD_LOG_WARNING(( "error reading snapshot from local file `%s`", ctx->local_in.full_snapshot_path ));
823 0 : break;
824 0 : }
825 :
826 0 : if( FD_LIKELY( !ctx->config.incremental_snapshots ) ) {
827 0 : ctx->state = FD_SNAPCT_STATE_SHUTDOWN;
828 0 : fd_stem_publish( stem, ctx->out_ld.idx, FD_SNAPSHOT_MSG_CTRL_SHUTDOWN, 0UL, 0UL, 0UL, 0UL, 0UL );
829 0 : break;
830 0 : }
831 :
832 0 : if( FD_LIKELY( ctx->download_enabled ) ) {
833 0 : ctx->state = FD_SNAPCT_STATE_COLLECTING_PEERS_INCREMENTAL;
834 0 : ctx->deadline_nanos = 0L;
835 0 : } else {
836 0 : FD_LOG_NOTICE(( "reading incremental snapshot at slot %lu from local file `%s`", ctx->local_in.incremental_snapshot_slot, ctx->local_in.incremental_snapshot_path ));
837 0 : ctx->state = FD_SNAPCT_STATE_READING_INCREMENTAL_FILE;
838 0 : init_load( ctx, stem, 0, 1 );
839 0 : }
840 0 : break;
841 :
842 : /* ============================================================== */
843 0 : case FD_SNAPCT_STATE_FLUSHING_FULL_HTTP_FINI:
844 0 : if( !ctx->flush_ack ) break;
845 :
846 0 : if( FD_UNLIKELY( ctx->malformed ) ) {
847 0 : ctx->malformed = 0;
848 0 : fd_stem_publish( stem, ctx->out_ld.idx, FD_SNAPSHOT_MSG_CTRL_FAIL, 0UL, 0UL, 0UL, 0UL, 0UL );
849 0 : ctx->flush_ack = 0;
850 0 : ctx->state = FD_SNAPCT_STATE_FLUSHING_FULL_HTTP_RESET;
851 0 : FD_LOG_WARNING(( "error downloading snapshot from http://" FD_IP4_ADDR_FMT ":%hu/snapshot.tar.bz2",
852 0 : FD_IP4_ADDR_FMT_ARGS( ctx->peer.addr.addr ), fd_ushort_bswap( ctx->peer.addr.port ) ));
853 0 : fd_ssping_invalidate( ctx->ssping, ctx->peer.addr, fd_log_wallclock() );
854 0 : fd_sspeer_selector_remove( ctx->selector, ctx->peer.addr );
855 0 : break;
856 0 : }
857 :
858 0 : ctx->state = FD_SNAPCT_STATE_FLUSHING_FULL_HTTP_DONE;
859 0 : fd_stem_publish( stem, ctx->out_ld.idx, ctx->config.incremental_snapshots ? FD_SNAPSHOT_MSG_CTRL_NEXT : FD_SNAPSHOT_MSG_CTRL_DONE, 0UL, 0UL, 0UL, 0UL, 0UL );
860 0 : ctx->flush_ack = 0;
861 0 : break;
862 :
863 : /* ============================================================== */
864 0 : case FD_SNAPCT_STATE_FLUSHING_FULL_HTTP_DONE:
865 0 : if( !ctx->flush_ack ) break;
866 :
867 0 : if( FD_UNLIKELY( ctx->malformed ) ) {
868 0 : ctx->malformed = 0;
869 0 : fd_stem_publish( stem, ctx->out_ld.idx, FD_SNAPSHOT_MSG_CTRL_FAIL, 0UL, 0UL, 0UL, 0UL, 0UL );
870 0 : ctx->flush_ack = 0;
871 0 : ctx->state = FD_SNAPCT_STATE_FLUSHING_FULL_HTTP_RESET;
872 0 : FD_LOG_WARNING(( "error downloading snapshot from http://" FD_IP4_ADDR_FMT ":%hu/snapshot.tar.bz2",
873 0 : FD_IP4_ADDR_FMT_ARGS( ctx->peer.addr.addr ), fd_ushort_bswap( ctx->peer.addr.port ) ));
874 0 : fd_ssping_invalidate( ctx->ssping, ctx->peer.addr, fd_log_wallclock() );
875 0 : fd_sspeer_selector_remove( ctx->selector, ctx->peer.addr );
876 0 : break;
877 0 : }
878 :
879 0 : if( FD_LIKELY( !ctx->config.incremental_snapshots ) ) {
880 0 : ctx->state = FD_SNAPCT_STATE_SHUTDOWN;
881 0 : rename_snapshots( ctx );
882 0 : fd_stem_publish( stem, ctx->out_ld.idx, FD_SNAPSHOT_MSG_CTRL_SHUTDOWN, 0UL, 0UL, 0UL, 0UL, 0UL );
883 0 : break;
884 0 : }
885 :
886 : /* Get the best incremental peer to download from */
887 0 : fd_sspeer_t best = fd_sspeer_selector_best( ctx->selector, 1, ctx->predicted_incremental.full_slot );
888 0 : if( FD_UNLIKELY( !best.addr.l ) ) {
889 0 : ctx->deadline_nanos = now;
890 0 : ctx->state = FD_SNAPCT_STATE_COLLECTING_PEERS_INCREMENTAL;
891 0 : break;
892 0 : }
893 :
894 0 : ctx->predicted_incremental.slot = best.incr_slot;
895 0 : send_expected_slot( ctx, stem, best.incr_slot );
896 :
897 0 : ctx->peer = best;
898 0 : ctx->state = FD_SNAPCT_STATE_READING_INCREMENTAL_HTTP;
899 0 : init_load( ctx, stem, 0, 0 );
900 0 : log_download( ctx, 0, best.addr, best.incr_slot );
901 0 : break;
902 :
903 : /* ============================================================== */
904 0 : case FD_SNAPCT_STATE_FLUSHING_FULL_HTTP_RESET:
905 0 : case FD_SNAPCT_STATE_FLUSHING_FULL_FILE_RESET:
906 0 : if( !ctx->flush_ack ) break;
907 :
908 0 : if( ctx->metrics.full.num_retries==ctx->config.max_retry_abort ) {
909 0 : FD_LOG_ERR(( "hit retry limit of %u for full snapshot, aborting", ctx->config.max_retry_abort ));
910 0 : }
911 :
912 0 : ctx->metrics.full.num_retries++;
913 :
914 0 : ctx->metrics.full.bytes_read = 0UL;
915 0 : ctx->metrics.full.bytes_written = 0UL;
916 0 : ctx->metrics.full.bytes_total = 0UL;
917 :
918 0 : ctx->metrics.incremental.bytes_read = 0UL;
919 0 : ctx->metrics.incremental.bytes_written = 0UL;
920 0 : ctx->metrics.incremental.bytes_total = 0UL;
921 :
922 0 : if( !ctx->download_enabled ) {
923 : /* if we are unable to download new snapshots and unable to load
924 : our local snapshot, we must shutdown the validator. */
925 0 : FD_LOG_ERR(( "unable to load local snapshot %s and no snapshot peers were configured. aborting.", ctx->local_in.full_snapshot_path ));
926 0 : } else {
927 0 : if( ctx->state==FD_SNAPCT_STATE_FLUSHING_FULL_FILE_RESET ) ctx->local_in.full_snapshot_slot = ULONG_MAX;
928 0 : ctx->state = FD_SNAPCT_STATE_COLLECTING_PEERS;
929 0 : ctx->deadline_nanos = 0L;
930 0 : }
931 0 : break;
932 :
933 : /* ============================================================== */
934 0 : case FD_SNAPCT_STATE_FLUSHING_INCREMENTAL_FILE_RESET:
935 0 : case FD_SNAPCT_STATE_FLUSHING_INCREMENTAL_HTTP_RESET:
936 0 : if( !ctx->flush_ack ) break;
937 :
938 0 : if( ctx->metrics.incremental.num_retries==ctx->config.max_retry_abort ) {
939 0 : FD_LOG_ERR(("hit retry limit of %u for incremental snapshot. aborting", ctx->config.max_retry_abort ));
940 0 : }
941 :
942 0 : ctx->metrics.incremental.num_retries++;
943 :
944 0 : ctx->metrics.incremental.bytes_read = 0UL;
945 0 : ctx->metrics.incremental.bytes_written = 0UL;
946 0 : ctx->metrics.incremental.bytes_total = 0UL;
947 :
948 0 : if( !ctx->download_enabled ) {
949 : /* if we are unable to download new snapshots and unable to load
950 : our local snapshot, we must shutdown the validator. */
951 0 : FD_LOG_ERR(( "unable to load local snapshot %s and no snapshot peers were configured. aborting.", ctx->local_in.full_snapshot_path ));
952 0 : } else {
953 0 : if( ctx->state==FD_SNAPCT_STATE_FLUSHING_INCREMENTAL_FILE_RESET ) ctx->local_in.incremental_snapshot_slot = ULONG_MAX;
954 0 : ctx->state = FD_SNAPCT_STATE_COLLECTING_PEERS_INCREMENTAL;
955 0 : ctx->deadline_nanos = 0L;
956 0 : }
957 0 : break;
958 :
959 : /* ============================================================== */
960 0 : case FD_SNAPCT_STATE_READING_FULL_FILE:
961 0 : if( FD_UNLIKELY( !ctx->flush_ack ) ) break;
962 0 : if( FD_UNLIKELY( ctx->malformed ) ) {
963 0 : ctx->malformed = 0;
964 0 : fd_stem_publish( stem, ctx->out_ld.idx, FD_SNAPSHOT_MSG_CTRL_FAIL, 0UL, 0UL, 0UL, 0UL, 0UL );
965 0 : ctx->flush_ack = 0;
966 0 : ctx->state = FD_SNAPCT_STATE_FLUSHING_FULL_FILE_RESET;
967 0 : FD_LOG_WARNING(( "error reading snapshot from local file `%s`", ctx->local_in.full_snapshot_path ));
968 0 : break;
969 0 : }
970 0 : FD_TEST( ctx->metrics.full.bytes_total!=0UL );
971 0 : if( FD_UNLIKELY( ctx->metrics.full.bytes_read == ctx->metrics.full.bytes_total ) ) {
972 0 : fd_stem_publish( stem, ctx->out_ld.idx, FD_SNAPSHOT_MSG_CTRL_FINI, 0UL, 0UL, 0UL, 0UL, 0UL );
973 0 : ctx->state = FD_SNAPCT_STATE_FLUSHING_FULL_FILE_FINI;
974 0 : ctx->flush_ack = 0;
975 0 : }
976 0 : break;
977 :
978 : /* ============================================================== */
979 0 : case FD_SNAPCT_STATE_READING_INCREMENTAL_FILE:
980 0 : if( FD_UNLIKELY( !ctx->flush_ack ) ) break;
981 0 : if( FD_UNLIKELY( ctx->malformed ) ) {
982 0 : ctx->malformed = 0;
983 0 : fd_stem_publish( stem, ctx->out_ld.idx, FD_SNAPSHOT_MSG_CTRL_FAIL, 0UL, 0UL, 0UL, 0UL, 0UL );
984 0 : ctx->flush_ack = 0;
985 0 : ctx->state = FD_SNAPCT_STATE_FLUSHING_INCREMENTAL_FILE_RESET;
986 0 : FD_LOG_WARNING(( "error reading snapshot from local file `%s`", ctx->local_in.incremental_snapshot_path ));
987 0 : break;
988 0 : }
989 0 : FD_TEST( ctx->metrics.incremental.bytes_total!=0UL );
990 0 : if ( FD_UNLIKELY( ctx->metrics.incremental.bytes_read == ctx->metrics.incremental.bytes_total ) ) {
991 0 : fd_stem_publish( stem, ctx->out_ld.idx, FD_SNAPSHOT_MSG_CTRL_FINI, 0UL, 0UL, 0UL, 0UL, 0UL );
992 0 : ctx->state = FD_SNAPCT_STATE_FLUSHING_INCREMENTAL_FILE_FINI;
993 0 : ctx->flush_ack = 0;
994 0 : }
995 0 : break;
996 :
997 : /* ============================================================== */
998 0 : case FD_SNAPCT_STATE_READING_FULL_HTTP:
999 0 : if( FD_UNLIKELY( !ctx->flush_ack ) ) break;
1000 0 : if( FD_UNLIKELY( ctx->malformed ) ) {
1001 0 : ctx->malformed = 0;
1002 0 : fd_stem_publish( stem, ctx->out_ld.idx, FD_SNAPSHOT_MSG_CTRL_FAIL, 0UL, 0UL, 0UL, 0UL, 0UL );
1003 0 : ctx->flush_ack = 0;
1004 0 : ctx->state = FD_SNAPCT_STATE_FLUSHING_FULL_HTTP_RESET;
1005 0 : FD_LOG_WARNING(( "error downloading snapshot from http://" FD_IP4_ADDR_FMT ":%hu/snapshot.tar.bz2",
1006 0 : FD_IP4_ADDR_FMT_ARGS( ctx->peer.addr.addr ), fd_ushort_bswap( ctx->peer.addr.port ) ));
1007 0 : fd_ssping_invalidate( ctx->ssping, ctx->peer.addr, fd_log_wallclock() );
1008 0 : fd_sspeer_selector_remove( ctx->selector, ctx->peer.addr );
1009 0 : break;
1010 0 : }
1011 0 : if( FD_UNLIKELY( ctx->metrics.full.bytes_total!=0UL && ctx->metrics.full.bytes_read==ctx->metrics.full.bytes_total ) ) {
1012 0 : ulong sig = FD_SNAPSHOT_MSG_CTRL_FINI;
1013 0 : fd_stem_publish( stem, ctx->out_ld.idx, sig, 0UL, 0UL, 0UL, 0UL, 0UL );
1014 0 : ctx->state = FD_SNAPCT_STATE_FLUSHING_FULL_HTTP_FINI;
1015 0 : ctx->flush_ack = 0;
1016 0 : }
1017 0 : break;
1018 :
1019 : /* ============================================================== */
1020 0 : case FD_SNAPCT_STATE_READING_INCREMENTAL_HTTP:
1021 0 : if( FD_UNLIKELY( !ctx->flush_ack ) ) break;
1022 0 : if( FD_UNLIKELY( ctx->malformed ) ) {
1023 0 : ctx->malformed = 0;
1024 0 : fd_stem_publish( stem, ctx->out_ld.idx, FD_SNAPSHOT_MSG_CTRL_FAIL, 0UL, 0UL, 0UL, 0UL, 0UL );
1025 0 : ctx->flush_ack = 0;
1026 0 : ctx->state = FD_SNAPCT_STATE_FLUSHING_INCREMENTAL_HTTP_RESET;
1027 0 : FD_LOG_WARNING(( "error downloading snapshot from http://" FD_IP4_ADDR_FMT ":%hu/incremental-snapshot.tar.bz2",
1028 0 : FD_IP4_ADDR_FMT_ARGS( ctx->peer.addr.addr ), fd_ushort_bswap( ctx->peer.addr.port ) ));
1029 0 : fd_ssping_invalidate( ctx->ssping, ctx->peer.addr, fd_log_wallclock() );
1030 0 : fd_sspeer_selector_remove( ctx->selector, ctx->peer.addr );
1031 0 : break;
1032 0 : }
1033 0 : if ( FD_UNLIKELY( ctx->metrics.incremental.bytes_total!=0UL && ctx->metrics.incremental.bytes_read==ctx->metrics.incremental.bytes_total ) ) {
1034 0 : fd_stem_publish( stem, ctx->out_ld.idx, FD_SNAPSHOT_MSG_CTRL_FINI, 0UL, 0UL, 0UL, 0UL, 0UL );
1035 0 : ctx->state = FD_SNAPCT_STATE_FLUSHING_INCREMENTAL_HTTP_FINI;
1036 0 : ctx->flush_ack = 0;
1037 0 : }
1038 0 : break;
1039 :
1040 : /* ============================================================== */
1041 0 : case FD_SNAPCT_STATE_SHUTDOWN:
1042 : /* Transitioning to the shutdown state indicates snapshot load is
1043 : completed without errors. Otherwise, snapct would have aborted
1044 : earlier. */
1045 0 : break;
1046 :
1047 : /* ============================================================== */
1048 0 : default: FD_LOG_ERR(( "unexpected state %d", ctx->state ));
1049 0 : }
1050 0 : }
1051 :
1052 : static void
1053 : gossip_frag( fd_snapct_tile_t * ctx,
1054 : ulong sig,
1055 : ulong sz FD_PARAM_UNUSED,
1056 0 : ulong chunk ) {
1057 0 : FD_TEST( ctx->gossip_enabled );
1058 :
1059 0 : if( !( sig==FD_GOSSIP_UPDATE_TAG_CONTACT_INFO ||
1060 0 : sig==FD_GOSSIP_UPDATE_TAG_CONTACT_INFO_REMOVE ||
1061 0 : sig==FD_GOSSIP_UPDATE_TAG_SNAPSHOT_HASHES ) ) return;
1062 :
1063 0 : fd_gossip_update_message_t const * msg = fd_chunk_to_laddr_const( ctx->gossip_in_mem, chunk );
1064 0 : fd_pubkey_t const * pubkey = (fd_pubkey_t const *)msg->origin_pubkey;
1065 0 : switch( msg->tag ) {
1066 0 : case FD_GOSSIP_UPDATE_TAG_CONTACT_INFO: {
1067 0 : FD_TEST( msg->contact_info.idx<GOSSIP_PEERS_MAX );
1068 0 : gossip_ci_entry_t * entry = ctx->gossip.ci_table + msg->contact_info.idx;
1069 0 : if( FD_UNLIKELY( !fd_pubkey_eq( &entry->pubkey, pubkey ) ) ) {
1070 : /* Initialize the new gossip entry, which may or may not be allowed */
1071 0 : FD_TEST( fd_pubkey_check_zero( &entry->pubkey ) );
1072 0 : entry->pubkey = *pubkey;
1073 0 : entry->rpc_addr.l = 0UL;
1074 0 : entry->added_nanos = fd_log_wallclock();
1075 0 : if( ctx->config.sources.gossip.allow_any ) {
1076 0 : entry->allowed = 1;
1077 0 : for( ulong i=0UL; i<ctx->config.sources.gossip.block_list_cnt; i++ ) {
1078 0 : if( fd_pubkey_eq( pubkey, &ctx->config.sources.gossip.block_list[ i ] ) ) {
1079 0 : entry->allowed = 0;
1080 0 : break;
1081 0 : }
1082 0 : }
1083 0 : } else {
1084 0 : entry->allowed = 0;
1085 0 : for( ulong i=0UL; i<ctx->config.sources.gossip.allow_list_cnt; i++ ) {
1086 0 : if( fd_pubkey_eq( pubkey, &ctx->config.sources.gossip.allow_list[ i ] ) ) {
1087 0 : entry->allowed = 1;
1088 0 : break;
1089 0 : }
1090 0 : }
1091 0 : }
1092 0 : FD_TEST( ULONG_MAX==gossip_ci_map_idx_query_const( ctx->gossip.ci_map, pubkey, ULONG_MAX, ctx->gossip.ci_table ) );
1093 0 : if( entry->allowed ) gossip_ci_map_idx_insert( ctx->gossip.ci_map, msg->contact_info.idx, ctx->gossip.ci_table );
1094 0 : }
1095 0 : if( !entry->allowed ) break;
1096 : /* Maybe update the RPC address of a new or existing allowed gossip peer */
1097 0 : fd_ip4_port_t cur_addr = entry->rpc_addr;
1098 0 : fd_ip4_port_t new_addr = msg->contact_info.contact_info->sockets[ FD_CONTACT_INFO_SOCKET_RPC ];
1099 0 : if( FD_UNLIKELY( new_addr.l!=cur_addr.l ) ) {
1100 0 : entry->rpc_addr = new_addr;
1101 0 : if( FD_LIKELY( !!cur_addr.l ) ) {
1102 0 : int removed = fd_ssping_remove( ctx->ssping, cur_addr );
1103 0 : if( FD_LIKELY( removed ) ) fd_sspeer_selector_remove( ctx->selector, cur_addr );
1104 0 : }
1105 0 : if( FD_LIKELY( !!new_addr.l ) ) fd_ssping_add( ctx->ssping, new_addr );
1106 0 : if( !ctx->config.sources.gossip.allow_any ) {
1107 0 : FD_BASE58_ENCODE_32_BYTES( pubkey->uc, pubkey_b58 );
1108 0 : if( FD_LIKELY( !!new_addr.l ) ) {
1109 0 : FD_LOG_NOTICE(( "allowed gossip peer added with public key `%s` and RPC address `" FD_IP4_ADDR_FMT ":%hu`",
1110 0 : pubkey_b58, FD_IP4_ADDR_FMT_ARGS( new_addr.addr ), fd_ushort_bswap( new_addr.port ) ));
1111 0 : } else {
1112 0 : FD_LOG_WARNING(( "allowed gossip peer with public key `%s` does not advertise an RPC address", pubkey_b58 ));
1113 0 : }
1114 0 : }
1115 0 : }
1116 0 : break;
1117 0 : }
1118 0 : case FD_GOSSIP_UPDATE_TAG_CONTACT_INFO_REMOVE: {
1119 0 : FD_TEST( msg->contact_info_remove.idx<GOSSIP_PEERS_MAX );
1120 0 : gossip_ci_entry_t * entry = ctx->gossip.ci_table + msg->contact_info_remove.idx;
1121 0 : if( FD_UNLIKELY( !fd_pubkey_eq( &entry->pubkey, pubkey ) ) ) {
1122 0 : FD_TEST( fd_pubkey_check_zero( &entry->pubkey ) );
1123 0 : break;
1124 0 : }
1125 0 : ulong rem_idx = gossip_ci_map_idx_remove( ctx->gossip.ci_map, pubkey, ULONG_MAX, ctx->gossip.ci_table );
1126 0 : if( rem_idx==ULONG_MAX ) break;
1127 0 : FD_TEST( entry->allowed && rem_idx==msg->contact_info_remove.idx );
1128 0 : fd_ip4_port_t addr = entry->rpc_addr;
1129 0 : if( FD_LIKELY( !!addr.l ) ) {
1130 0 : int removed = fd_ssping_remove( ctx->ssping, addr );
1131 0 : if( FD_LIKELY( removed ) ) fd_sspeer_selector_remove( ctx->selector, addr );
1132 0 : }
1133 0 : if( !ctx->config.sources.gossip.allow_any ) {
1134 0 : FD_BASE58_ENCODE_32_BYTES( pubkey->uc, pubkey_b58 );
1135 0 : FD_LOG_WARNING(( "allowed gossip peer removed with public key `%s` and RPC address `" FD_IP4_ADDR_FMT ":%hu`",
1136 0 : pubkey_b58, FD_IP4_ADDR_FMT_ARGS( addr.addr ), fd_ushort_bswap( addr.port ) ));
1137 0 : }
1138 0 : fd_memset( entry, 0, sizeof(*entry) );
1139 0 : break;
1140 0 : }
1141 0 : case FD_GOSSIP_UPDATE_TAG_SNAPSHOT_HASHES: {
1142 0 : ulong idx = gossip_ci_map_idx_query_const( ctx->gossip.ci_map, pubkey, ULONG_MAX, ctx->gossip.ci_table );
1143 0 : if( FD_LIKELY( idx!=ULONG_MAX ) ) {
1144 0 : gossip_ci_entry_t * entry = ctx->gossip.ci_table + idx;
1145 0 : FD_TEST( entry->allowed );
1146 0 : on_snapshot_hash( ctx, entry->rpc_addr, msg );
1147 0 : }
1148 0 : break;
1149 0 : }
1150 0 : default:
1151 0 : FD_LOG_ERR(( "snapct: unexpected gossip tag %u", (uint)msg->tag ));
1152 0 : break;
1153 0 : }
1154 0 : }
1155 :
1156 : static void
1157 : snapld_frag( fd_snapct_tile_t * ctx,
1158 : ulong sig,
1159 : ulong sz,
1160 0 : ulong chunk ) {
1161 0 : if( FD_UNLIKELY( sig==FD_SNAPSHOT_MSG_META ) ) {
1162 : /* Before snapld starts sending down data fragments, it first sends
1163 : a metadata message containing the total size of the snapshot as
1164 : well as the filename. This is only done for HTTP loading. */
1165 0 : int full;
1166 0 : switch( ctx->state ) {
1167 0 : case FD_SNAPCT_STATE_READING_FULL_HTTP: full = 1; break;
1168 0 : case FD_SNAPCT_STATE_READING_INCREMENTAL_HTTP: full = 0; break;
1169 :
1170 0 : case FD_SNAPCT_STATE_FLUSHING_FULL_HTTP_RESET:
1171 0 : case FD_SNAPCT_STATE_FLUSHING_INCREMENTAL_HTTP_RESET:
1172 0 : return; /* Ignore */
1173 0 : default: FD_LOG_ERR(( "invalid meta frag in state %d", ctx->state ));
1174 0 : }
1175 :
1176 0 : FD_TEST( sz==sizeof(fd_ssctrl_meta_t) );
1177 0 : fd_ssctrl_meta_t const * meta = fd_chunk_to_laddr_const( ctx->snapld_in_mem, chunk );
1178 :
1179 0 : if( full ) ctx->metrics.full.bytes_total = meta->total_sz;
1180 0 : else ctx->metrics.incremental.bytes_total = meta->total_sz;
1181 :
1182 0 : return;
1183 0 : }
1184 0 : if( FD_UNLIKELY( sig!=FD_SNAPSHOT_MSG_DATA ) ) return;
1185 :
1186 0 : int full, file;
1187 0 : switch( ctx->state ) {
1188 : /* Expected cases, fall through below */
1189 0 : case FD_SNAPCT_STATE_READING_FULL_FILE: full = 1; file = 1; break;
1190 0 : case FD_SNAPCT_STATE_READING_INCREMENTAL_FILE: full = 0; file = 1; break;
1191 0 : case FD_SNAPCT_STATE_READING_FULL_HTTP: full = 1; file = 0; break;
1192 0 : case FD_SNAPCT_STATE_READING_INCREMENTAL_HTTP: full = 0; file = 0; break;
1193 :
1194 0 : case FD_SNAPCT_STATE_FLUSHING_FULL_FILE_RESET:
1195 0 : case FD_SNAPCT_STATE_FLUSHING_INCREMENTAL_FILE_RESET:
1196 0 : case FD_SNAPCT_STATE_FLUSHING_FULL_HTTP_RESET:
1197 0 : case FD_SNAPCT_STATE_FLUSHING_INCREMENTAL_HTTP_RESET:
1198 : /* We are waiting for a reset to fully propagate through the
1199 : pipeline, just throw away any trailing data frags. */
1200 0 : return;
1201 :
1202 0 : case FD_SNAPCT_STATE_FLUSHING_FULL_FILE_FINI:
1203 0 : case FD_SNAPCT_STATE_FLUSHING_INCREMENTAL_FILE_FINI:
1204 0 : case FD_SNAPCT_STATE_FLUSHING_FULL_HTTP_FINI:
1205 0 : case FD_SNAPCT_STATE_FLUSHING_INCREMENTAL_HTTP_FINI:
1206 0 : case FD_SNAPCT_STATE_FLUSHING_FULL_FILE_DONE:
1207 0 : case FD_SNAPCT_STATE_FLUSHING_INCREMENTAL_FILE_DONE:
1208 0 : case FD_SNAPCT_STATE_FLUSHING_FULL_HTTP_DONE:
1209 0 : case FD_SNAPCT_STATE_FLUSHING_INCREMENTAL_HTTP_DONE:
1210 : /* Based on previously received data frags, we expected that the
1211 : current full / incremental snapshot was finished, but then we
1212 : received additional data frags. Unsafe to continue so throw
1213 : away the whole snapshot. */
1214 0 : if( !ctx->malformed ) {
1215 0 : ctx->malformed = 1;
1216 0 : FD_LOG_WARNING(( "complete snapshot loaded but read %lu extra bytes", sz ));
1217 0 : }
1218 0 : return;
1219 :
1220 0 : case FD_SNAPCT_STATE_WAITING_FOR_PEERS:
1221 0 : case FD_SNAPCT_STATE_WAITING_FOR_PEERS_INCREMENTAL:
1222 0 : case FD_SNAPCT_STATE_COLLECTING_PEERS:
1223 0 : case FD_SNAPCT_STATE_COLLECTING_PEERS_INCREMENTAL:
1224 0 : case FD_SNAPCT_STATE_SHUTDOWN:
1225 0 : default:
1226 0 : FD_LOG_ERR(( "invalid data frag in state %d", ctx->state ));
1227 0 : return;
1228 0 : }
1229 :
1230 0 : if( full ) FD_TEST( ctx->metrics.full.bytes_total !=0UL );
1231 0 : else FD_TEST( ctx->metrics.incremental.bytes_total!=0UL );
1232 :
1233 0 : if( full ) ctx->metrics.full.bytes_read += sz;
1234 0 : else ctx->metrics.incremental.bytes_read += sz;
1235 :
1236 0 : if( !file && -1!=ctx->local_out.dir_fd ) {
1237 0 : ulong written_sz = 0;
1238 0 : while( written_sz<sz ) {
1239 0 : uchar const * data = fd_chunk_to_laddr_const( ctx->snapld_in_mem, chunk );
1240 0 : int fd = full ? ctx->local_out.full_snapshot_fd : ctx->local_out.incremental_snapshot_fd;
1241 0 : long result = write( fd, data, sz );
1242 0 : if( FD_UNLIKELY( -1==result && errno==ENOSPC ) ) {
1243 0 : FD_LOG_ERR(( "Out of disk space when writing out snapshot data to `%s`", ctx->config.snapshots_path ));
1244 0 : } else if( FD_UNLIKELY( 0L>result ) ) {
1245 0 : FD_LOG_ERR(( "write() failed (%i-%s)", errno, fd_io_strerror( errno ) ));
1246 0 : }
1247 :
1248 0 : written_sz += (ulong)result;
1249 0 : }
1250 0 : if( full ) ctx->metrics.full.bytes_written += sz;
1251 0 : else ctx->metrics.incremental.bytes_written += sz;
1252 0 : }
1253 :
1254 0 : if( FD_UNLIKELY( ( full && ctx->metrics.full.bytes_read > ctx->metrics.full.bytes_total ) ||
1255 0 : (!full && ctx->metrics.incremental.bytes_read > ctx->metrics.incremental.bytes_total ) ) ) {
1256 0 : if( !ctx->malformed ) {
1257 0 : ctx->malformed = 1;
1258 0 : FD_LOG_WARNING(( "expected %s snapshot size of %lu bytes but read %lu bytes",
1259 0 : full ? "full" : "incremental",
1260 0 : full ? ctx->metrics.full.bytes_total : ctx->metrics.incremental.bytes_total,
1261 0 : full ? ctx->metrics.full.bytes_read : ctx->metrics.incremental.bytes_read ));
1262 :
1263 0 : }
1264 0 : }
1265 0 : }
1266 :
1267 : /* FIXME rename */
1268 : static void
1269 : snapin_frag( fd_snapct_tile_t * ctx,
1270 0 : ulong sig ) {
1271 0 : switch( sig ) {
1272 0 : case FD_SNAPSHOT_MSG_CTRL_INIT_FULL:
1273 0 : if( FD_LIKELY( ctx->state==FD_SNAPCT_STATE_READING_FULL_HTTP ||
1274 0 : ctx->state==FD_SNAPCT_STATE_READING_FULL_FILE ) ) {
1275 0 : FD_TEST( !ctx->flush_ack );
1276 0 : ctx->flush_ack = 1;
1277 0 : } else FD_LOG_ERR(( "invalid control frag %lu in state %d", sig, ctx->state ));
1278 0 : break;
1279 :
1280 0 : case FD_SNAPSHOT_MSG_CTRL_INIT_INCR:
1281 0 : if( FD_LIKELY( ctx->state==FD_SNAPCT_STATE_READING_INCREMENTAL_HTTP ||
1282 0 : ctx->state==FD_SNAPCT_STATE_READING_INCREMENTAL_FILE ) ) {
1283 0 : FD_TEST( !ctx->flush_ack );
1284 0 : ctx->flush_ack = 1;
1285 0 : } else FD_LOG_ERR(( "invalid control frag %lu in state %d", sig, ctx->state ));
1286 0 : break;
1287 :
1288 0 : case FD_SNAPSHOT_MSG_CTRL_NEXT:
1289 0 : if( FD_LIKELY( ctx->state==FD_SNAPCT_STATE_FLUSHING_FULL_HTTP_DONE ||
1290 0 : ctx->state==FD_SNAPCT_STATE_FLUSHING_FULL_FILE_DONE ) ) {
1291 0 : FD_TEST( !ctx->flush_ack );
1292 0 : ctx->flush_ack = 1;
1293 0 : } else FD_LOG_ERR(( "invalid control frag %lu in state %d", sig, ctx->state ));
1294 0 : break;
1295 :
1296 0 : case FD_SNAPSHOT_MSG_CTRL_DONE:
1297 0 : if( FD_LIKELY( ctx->state==FD_SNAPCT_STATE_FLUSHING_FULL_HTTP_DONE ||
1298 0 : ctx->state==FD_SNAPCT_STATE_FLUSHING_FULL_FILE_DONE ||
1299 0 : ctx->state==FD_SNAPCT_STATE_FLUSHING_INCREMENTAL_HTTP_DONE ||
1300 0 : ctx->state==FD_SNAPCT_STATE_FLUSHING_INCREMENTAL_FILE_DONE ) ) {
1301 0 : FD_TEST( !ctx->flush_ack );
1302 0 : ctx->flush_ack = 1;
1303 0 : } else FD_LOG_ERR(( "invalid control frag %lu in state %d", sig, ctx->state ));
1304 0 : break;
1305 :
1306 0 : case FD_SNAPSHOT_MSG_CTRL_FINI:
1307 0 : if( FD_LIKELY( ctx->state==FD_SNAPCT_STATE_FLUSHING_FULL_HTTP_FINI ||
1308 0 : ctx->state==FD_SNAPCT_STATE_FLUSHING_FULL_FILE_FINI ||
1309 0 : ctx->state==FD_SNAPCT_STATE_FLUSHING_INCREMENTAL_HTTP_FINI ||
1310 0 : ctx->state==FD_SNAPCT_STATE_FLUSHING_INCREMENTAL_FILE_FINI ) ) {
1311 0 : FD_TEST( !ctx->flush_ack );
1312 0 : ctx->flush_ack = 1;
1313 0 : } else FD_LOG_ERR(( "invalid control frag %lu in state %d", sig, ctx->state ));
1314 0 : break;
1315 :
1316 0 : case FD_SNAPSHOT_MSG_CTRL_FAIL:
1317 0 : if( FD_LIKELY( ctx->state==FD_SNAPCT_STATE_FLUSHING_FULL_HTTP_RESET ||
1318 0 : ctx->state==FD_SNAPCT_STATE_FLUSHING_FULL_FILE_RESET ||
1319 0 : ctx->state==FD_SNAPCT_STATE_FLUSHING_INCREMENTAL_HTTP_RESET ||
1320 0 : ctx->state==FD_SNAPCT_STATE_FLUSHING_INCREMENTAL_FILE_RESET ) ) {
1321 0 : FD_TEST( !ctx->flush_ack );
1322 0 : ctx->flush_ack = 1;
1323 0 : } else FD_LOG_ERR(( "invalid control frag %lu in state %d", sig, ctx->state ));
1324 0 : break;
1325 :
1326 0 : case FD_SNAPSHOT_MSG_CTRL_SHUTDOWN:
1327 0 : break;
1328 :
1329 0 : case FD_SNAPSHOT_MSG_CTRL_ERROR:
1330 0 : switch( ctx->state ) {
1331 0 : case FD_SNAPCT_STATE_READING_FULL_FILE:
1332 0 : case FD_SNAPCT_STATE_FLUSHING_FULL_FILE_FINI:
1333 0 : case FD_SNAPCT_STATE_FLUSHING_FULL_FILE_DONE:
1334 0 : case FD_SNAPCT_STATE_READING_INCREMENTAL_FILE:
1335 0 : case FD_SNAPCT_STATE_FLUSHING_INCREMENTAL_FILE_FINI:
1336 0 : case FD_SNAPCT_STATE_FLUSHING_INCREMENTAL_FILE_DONE:
1337 0 : case FD_SNAPCT_STATE_READING_FULL_HTTP:
1338 0 : case FD_SNAPCT_STATE_FLUSHING_FULL_HTTP_FINI:
1339 0 : case FD_SNAPCT_STATE_FLUSHING_FULL_HTTP_DONE:
1340 0 : case FD_SNAPCT_STATE_READING_INCREMENTAL_HTTP:
1341 0 : case FD_SNAPCT_STATE_FLUSHING_INCREMENTAL_HTTP_FINI:
1342 0 : case FD_SNAPCT_STATE_FLUSHING_INCREMENTAL_HTTP_DONE:
1343 0 : ctx->malformed = 1;
1344 0 : ctx->flush_ack = 1;
1345 0 : break;
1346 0 : default:
1347 0 : break;
1348 0 : }
1349 0 : break;
1350 0 : }
1351 0 : }
1352 :
1353 : static int
1354 : returnable_frag( fd_snapct_tile_t * ctx,
1355 : ulong in_idx,
1356 : ulong seq FD_PARAM_UNUSED,
1357 : ulong sig,
1358 : ulong chunk,
1359 : ulong sz,
1360 : ulong ctl FD_PARAM_UNUSED,
1361 : ulong tsorig FD_PARAM_UNUSED,
1362 : ulong tspub FD_PARAM_UNUSED,
1363 0 : fd_stem_context_t * stem FD_PARAM_UNUSED ) {
1364 0 : if( FD_LIKELY( ctx->in_kind[ in_idx ]==IN_KIND_GOSSIP ) ) {
1365 0 : gossip_frag( ctx, sig, sz, chunk );
1366 0 : } else if( ctx->in_kind[ in_idx ]==IN_KIND_SNAPLD ) {
1367 0 : snapld_frag( ctx, sig, sz, chunk );
1368 0 : } else if( ctx->in_kind[ in_idx ]==IN_KIND_ACK ) {
1369 0 : snapin_frag( ctx, sig );
1370 0 : } else FD_LOG_ERR(( "invalid in_kind %lu %u", in_idx, (uint)ctx->in_kind[ in_idx ] ));
1371 0 : return 0;
1372 0 : }
1373 :
1374 : static void
1375 : privileged_init( fd_topo_t * topo,
1376 0 : fd_topo_tile_t * tile ) {
1377 0 : void * scratch = fd_topo_obj_laddr( topo, tile->tile_obj_id );
1378 :
1379 0 : FD_SCRATCH_ALLOC_INIT( l, scratch );
1380 0 : fd_snapct_tile_t * ctx = FD_SCRATCH_ALLOC_APPEND( l, alignof(fd_snapct_tile_t), sizeof(fd_snapct_tile_t) );
1381 0 : void * _ssping = FD_SCRATCH_ALLOC_APPEND( l, fd_ssping_align(), fd_ssping_footprint( TOTAL_PEERS_MAX ) );
1382 0 : FD_SCRATCH_ALLOC_APPEND( l, alignof(gossip_ci_entry_t), sizeof(gossip_ci_entry_t)*GOSSIP_PEERS_MAX );
1383 0 : FD_SCRATCH_ALLOC_APPEND( l, gossip_ci_map_align(), gossip_ci_map_footprint( gossip_ci_map_chain_cnt_est( GOSSIP_PEERS_MAX ) ) );
1384 0 : void * _ssresolver = FD_SCRATCH_ALLOC_APPEND( l, fd_http_resolver_align(), fd_http_resolver_footprint( SERVER_PEERS_MAX ) );
1385 0 : FD_SCRATCH_ALLOC_APPEND( l, fd_sspeer_selector_align(), fd_sspeer_selector_footprint( TOTAL_PEERS_MAX ) );
1386 :
1387 0 : #if FD_HAS_OPENSSL
1388 0 : void * _alloc = FD_SCRATCH_ALLOC_APPEND( l, fd_alloc_align(), fd_alloc_footprint() );
1389 0 : fd_alloc_t * alloc = fd_alloc_join( fd_alloc_new( _alloc, 1UL ), tile->kind_id );
1390 0 : fd_ossl_tile_init( alloc );
1391 0 : #endif
1392 :
1393 0 : ctx->ssping = NULL;
1394 0 : if( FD_LIKELY( download_enabled( tile ) ) ) ctx->ssping = fd_ssping_join( fd_ssping_new( _ssping, TOTAL_PEERS_MAX, 1UL, on_ping, ctx ) );
1395 0 : if( FD_LIKELY( tile->snapct.sources.servers_cnt ) ) ctx->ssresolver = fd_http_resolver_join( fd_http_resolver_new( _ssresolver, SERVER_PEERS_MAX, tile->snapct.incremental_snapshots, on_resolve, ctx ) );
1396 0 : else ctx->ssresolver = NULL;
1397 :
1398 : /* FIXME: We will keep too many snapshots if we have local snapshots
1399 : but elect not to use them due to their age. */
1400 0 : fd_ssarchive_remove_old_snapshots( tile->snapct.snapshots_path,
1401 0 : tile->snapct.max_full_snapshots_to_keep,
1402 0 : tile->snapct.max_incremental_snapshots_to_keep );
1403 :
1404 0 : ulong full_slot = ULONG_MAX;
1405 0 : ulong incremental_slot = ULONG_MAX;
1406 0 : int full_is_zstd = 0;
1407 0 : int incremental_is_zstd = 0;
1408 0 : char full_path[ PATH_MAX ] = {0};
1409 0 : char incremental_path[ PATH_MAX ] = {0};
1410 0 : if( FD_UNLIKELY( -1==fd_ssarchive_latest_pair( tile->snapct.snapshots_path,
1411 0 : tile->snapct.incremental_snapshots,
1412 0 : &full_slot,
1413 0 : &incremental_slot,
1414 0 : full_path,
1415 0 : incremental_path,
1416 0 : &full_is_zstd,
1417 0 : &incremental_is_zstd ) ) ) {
1418 0 : if( FD_UNLIKELY( !download_enabled( tile ) ) ) {
1419 0 : FD_LOG_ERR(( "No snapshots found in `%s` and no download sources are enabled. "
1420 0 : "Please enable downloading via [snapshots.sources] and restart.", tile->snapct.snapshots_path ));
1421 0 : }
1422 0 : ctx->local_in.full_snapshot_slot = ULONG_MAX;
1423 0 : ctx->local_in.incremental_snapshot_slot = ULONG_MAX;
1424 0 : ctx->local_in.full_snapshot_size = 0UL;
1425 0 : ctx->local_in.incremental_snapshot_size = 0UL;
1426 0 : ctx->local_in.full_snapshot_zstd = 0;
1427 0 : ctx->local_in.incremental_snapshot_zstd = 0;
1428 0 : fd_cstr_fini( ctx->local_in.full_snapshot_path );
1429 0 : fd_cstr_fini( ctx->local_in.incremental_snapshot_path );
1430 0 : } else {
1431 0 : FD_TEST( full_slot!=ULONG_MAX );
1432 :
1433 0 : ctx->local_in.full_snapshot_slot = full_slot;
1434 0 : ctx->local_in.incremental_snapshot_slot = incremental_slot;
1435 0 : ctx->local_in.full_snapshot_zstd = full_is_zstd;
1436 0 : ctx->local_in.incremental_snapshot_zstd = incremental_is_zstd;
1437 :
1438 0 : strncpy( ctx->local_in.full_snapshot_path, full_path, PATH_MAX );
1439 0 : struct stat full_stat;
1440 0 : if( FD_UNLIKELY( -1==stat( ctx->local_in.full_snapshot_path, &full_stat ) ) ) FD_LOG_ERR(( "stat() failed `%s` (%i-%s)", full_path, errno, fd_io_strerror( errno ) ));
1441 0 : if( FD_UNLIKELY( !S_ISREG( full_stat.st_mode ) ) ) FD_LOG_ERR(( "full snapshot path `%s` is not a regular file", full_path ));
1442 0 : ctx->local_in.full_snapshot_size = (ulong)full_stat.st_size;
1443 :
1444 0 : if( FD_LIKELY( incremental_slot!=ULONG_MAX ) ) {
1445 0 : strncpy( ctx->local_in.incremental_snapshot_path, incremental_path, PATH_MAX );
1446 0 : struct stat incremental_stat;
1447 0 : if( FD_UNLIKELY( -1==stat( ctx->local_in.incremental_snapshot_path, &incremental_stat ) ) ) FD_LOG_ERR(( "stat() failed `%s` (%i-%s)", incremental_path, errno, fd_io_strerror( errno ) ));
1448 0 : if( FD_UNLIKELY( !S_ISREG( incremental_stat.st_mode ) ) ) FD_LOG_ERR(( "incremental snapshot path `%s` is not a regular file", incremental_path ));
1449 0 : ctx->local_in.incremental_snapshot_size = (ulong)incremental_stat.st_size;
1450 0 : } else {
1451 0 : ctx->local_in.incremental_snapshot_size = 0UL;
1452 0 : fd_cstr_fini( ctx->local_in.incremental_snapshot_path );
1453 0 : }
1454 0 : }
1455 :
1456 0 : ctx->local_out.dir_fd = -1;
1457 0 : ctx->local_out.full_snapshot_fd = -1;
1458 0 : ctx->local_out.incremental_snapshot_fd = -1;
1459 0 : if( FD_LIKELY( download_enabled( tile ) ) ) {
1460 0 : ctx->local_out.dir_fd = open( tile->snapct.snapshots_path, O_DIRECTORY|O_CLOEXEC );
1461 0 : if( FD_UNLIKELY( -1==ctx->local_out.dir_fd ) ) FD_LOG_ERR(( "open(%s) failed (%i-%s)", tile->snapct.snapshots_path, errno, fd_io_strerror( errno ) ));
1462 :
1463 0 : ctx->local_out.full_snapshot_fd = openat( ctx->local_out.dir_fd, TEMP_FULL_SNAP_NAME, O_WRONLY|O_CREAT|O_TRUNC|O_NONBLOCK, S_IRUSR|S_IWUSR );
1464 0 : if( FD_UNLIKELY( -1==ctx->local_out.full_snapshot_fd ) ) FD_LOG_ERR(( "open(%s/%s) failed (%i-%s)", tile->snapct.snapshots_path, TEMP_FULL_SNAP_NAME, errno, fd_io_strerror( errno ) ));
1465 :
1466 0 : if( FD_LIKELY( tile->snapct.incremental_snapshots ) ) {
1467 0 : ctx->local_out.incremental_snapshot_fd = openat( ctx->local_out.dir_fd, TEMP_INCR_SNAP_NAME, O_WRONLY|O_CREAT|O_TRUNC|O_NONBLOCK, S_IRUSR|S_IWUSR );
1468 0 : if( FD_UNLIKELY( -1==ctx->local_out.incremental_snapshot_fd ) ) FD_LOG_ERR(( "open(%s/%s) failed (%i-%s)", tile->snapct.snapshots_path, TEMP_INCR_SNAP_NAME, errno, fd_io_strerror( errno ) ));
1469 0 : }
1470 0 : }
1471 0 : }
1472 :
1473 : static inline fd_snapct_out_link_t
1474 : out1( fd_topo_t const * topo,
1475 : fd_topo_tile_t const * tile,
1476 0 : char const * name ) {
1477 0 : ulong idx = ULONG_MAX;
1478 :
1479 0 : for( ulong i=0UL; i<tile->out_cnt; i++ ) {
1480 0 : fd_topo_link_t const * link = &topo->links[ tile->out_link_id[ i ] ];
1481 0 : if( !strcmp( link->name, name ) ) {
1482 0 : if( FD_UNLIKELY( idx!=ULONG_MAX ) ) FD_LOG_ERR(( "tile %s:%lu had multiple output links named %s but expected one", tile->name, tile->kind_id, name ));
1483 0 : idx = i;
1484 0 : }
1485 0 : }
1486 :
1487 0 : if( FD_UNLIKELY( idx==ULONG_MAX ) ) return (fd_snapct_out_link_t){ .idx = ULONG_MAX, .mem = NULL, .chunk0 = 0, .wmark = 0, .chunk = 0, .mtu = 0 };
1488 :
1489 0 : ulong mtu = topo->links[ tile->out_link_id[ idx ] ].mtu;
1490 0 : if( FD_UNLIKELY( mtu==0UL ) ) return (fd_snapct_out_link_t){ .idx = idx, .mem = NULL, .chunk0 = ULONG_MAX, .wmark = ULONG_MAX, .chunk = ULONG_MAX, .mtu = mtu };
1491 :
1492 0 : void * mem = topo->workspaces[ topo->objs[ topo->links[ tile->out_link_id[ idx ] ].dcache_obj_id ].wksp_id ].wksp;
1493 0 : ulong chunk0 = fd_dcache_compact_chunk0( mem, topo->links[ tile->out_link_id[ idx ] ].dcache );
1494 0 : ulong wmark = fd_dcache_compact_wmark ( mem, topo->links[ tile->out_link_id[ idx ] ].dcache, mtu );
1495 0 : return (fd_snapct_out_link_t){ .idx = idx, .mem = mem, .chunk0 = chunk0, .wmark = wmark, .chunk = chunk0, .mtu = mtu };
1496 0 : }
1497 :
1498 : static void
1499 : unprivileged_init( fd_topo_t * topo,
1500 0 : fd_topo_tile_t * tile ) {
1501 0 : void * scratch = fd_topo_obj_laddr( topo, tile->tile_obj_id );
1502 :
1503 0 : FD_SCRATCH_ALLOC_INIT( l, scratch );
1504 0 : fd_snapct_tile_t * ctx = FD_SCRATCH_ALLOC_APPEND( l, alignof(fd_snapct_tile_t), sizeof(fd_snapct_tile_t) );
1505 0 : FD_SCRATCH_ALLOC_APPEND( l, fd_ssping_align(), fd_ssping_footprint( TOTAL_PEERS_MAX ) );
1506 0 : void * _ci_table = FD_SCRATCH_ALLOC_APPEND( l, alignof(gossip_ci_entry_t), sizeof(gossip_ci_entry_t) * GOSSIP_PEERS_MAX );
1507 0 : void * _ci_map = FD_SCRATCH_ALLOC_APPEND( l, gossip_ci_map_align(), gossip_ci_map_footprint( gossip_ci_map_chain_cnt_est( GOSSIP_PEERS_MAX ) ) );
1508 0 : FD_SCRATCH_ALLOC_APPEND( l, fd_http_resolver_align(), fd_http_resolver_footprint( SERVER_PEERS_MAX ) );
1509 0 : void * _selector = FD_SCRATCH_ALLOC_APPEND( l, fd_sspeer_selector_align(), fd_sspeer_selector_footprint( TOTAL_PEERS_MAX ) );
1510 :
1511 0 : ctx->config = tile->snapct;
1512 0 : ctx->gossip_enabled = gossip_enabled( tile );
1513 0 : ctx->download_enabled = download_enabled( tile );
1514 :
1515 0 : if( ctx->config.sources.servers_cnt ) {
1516 0 : for( ulong i=0UL; i<tile->snapct.sources.servers_cnt; i++ ) {
1517 0 : fd_ssping_add ( ctx->ssping, tile->snapct.sources.servers[ i ].addr );
1518 0 : fd_http_resolver_add( ctx->ssresolver,
1519 0 : tile->snapct.sources.servers[ i ].addr,
1520 0 : tile->snapct.sources.servers[ i ].hostname,
1521 0 : tile->snapct.sources.servers[ i ].is_https );
1522 0 : }
1523 0 : }
1524 :
1525 0 : ctx->selector = fd_sspeer_selector_join( fd_sspeer_selector_new( _selector, TOTAL_PEERS_MAX, ctx->config.incremental_snapshots, 1UL ) );
1526 :
1527 0 : ctx->state = FD_SNAPCT_STATE_INIT;
1528 0 : ctx->malformed = 0;
1529 0 : ctx->deadline_nanos = fd_log_wallclock() + FD_SNAPCT_WAITING_FOR_PEERS_TIMEOUT;
1530 0 : ctx->flush_ack = 0;
1531 0 : ctx->peer.addr.l = 0UL;
1532 :
1533 0 : fd_memset( ctx->http_full_snapshot_name, 0, PATH_MAX );
1534 0 : fd_memset( ctx->http_incr_snapshot_name, 0, PATH_MAX );
1535 :
1536 0 : ctx->gossip_in_mem = NULL;
1537 0 : int has_snapld_dc = 0, has_ack_loopback = 0;
1538 0 : FD_TEST( tile->in_cnt<=MAX_IN_LINKS );
1539 0 : for( ulong i=0UL; i<(tile->in_cnt); i++ ) {
1540 0 : fd_topo_link_t * in_link = &topo->links[ tile->in_link_id[ i ] ];
1541 0 : if( 0==strcmp( in_link->name, "gossip_out" ) ) {
1542 0 : ctx->in_kind[ i ] = IN_KIND_GOSSIP;
1543 0 : ctx->gossip_in_mem = topo->workspaces[ topo->objs[ in_link->dcache_obj_id ].wksp_id ].wksp;
1544 0 : } else if( 0==strcmp( in_link->name, "snapld_dc" ) ) {
1545 0 : ctx->in_kind[ i ] = IN_KIND_SNAPLD;
1546 0 : ctx->snapld_in_mem = topo->workspaces[ topo->objs[ in_link->dcache_obj_id ].wksp_id ].wksp;
1547 0 : FD_TEST( !has_snapld_dc );
1548 0 : has_snapld_dc = 1;
1549 0 : } else if( 0==strcmp( in_link->name, "snapin_ct" ) || 0==strcmp( in_link->name, "snapls_ct" ) ||
1550 0 : 0==strcmp( in_link->name, "snapwm_ct" ) || 0==strcmp( in_link->name, "snaplv_ct" ) ) {
1551 0 : ctx->in_kind[ i ] = IN_KIND_ACK;
1552 0 : FD_TEST( !has_ack_loopback );
1553 0 : has_ack_loopback = 1;
1554 0 : }
1555 0 : }
1556 0 : FD_TEST( has_snapld_dc && has_ack_loopback );
1557 0 : FD_TEST( ctx->gossip_enabled==(ctx->gossip_in_mem!=NULL) );
1558 :
1559 0 : ctx->predicted_incremental.full_slot = ULONG_MAX;
1560 0 : ctx->predicted_incremental.slot = ULONG_MAX;
1561 0 : ctx->predicted_incremental.pending = 0;
1562 :
1563 0 : fd_memset( &ctx->metrics, 0, sizeof(ctx->metrics) );
1564 :
1565 0 : fd_memset( _ci_table, 0, sizeof(gossip_ci_entry_t) * GOSSIP_PEERS_MAX );
1566 0 : ctx->gossip.ci_table = _ci_table;
1567 0 : ctx->gossip.ci_map = gossip_ci_map_join( gossip_ci_map_new( _ci_map, gossip_ci_map_chain_cnt_est( GOSSIP_PEERS_MAX ), 0UL ) );
1568 0 : ctx->gossip.fresh_cnt = 0UL;
1569 0 : ctx->gossip.total_cnt = 0UL;
1570 0 : ctx->gossip.saturated = !ctx->gossip_enabled;
1571 0 : ctx->gossip.next_saturated_check = 0;
1572 :
1573 0 : if( FD_UNLIKELY( tile->out_cnt<2UL || tile->out_cnt>3UL ) ) FD_LOG_ERR(( "tile `" NAME "` has %lu outs, expected 2-3", tile->out_cnt ));
1574 0 : ctx->out_ld = out1( topo, tile, "snapct_ld" );
1575 0 : ctx->out_gui = out1( topo, tile, "snapct_gui" );
1576 0 : ctx->out_rp = out1( topo, tile, "snapct_repr" );
1577 0 : }
1578 :
1579 : /* after_credit can result in as many as 5 stem publishes in some code
1580 : paths, and returnable_frag can result in 1. */
1581 0 : #define STEM_BURST 6UL
1582 :
1583 0 : #define STEM_LAZY 1000L
1584 :
1585 0 : #define STEM_CALLBACK_CONTEXT_TYPE fd_snapct_tile_t
1586 0 : #define STEM_CALLBACK_CONTEXT_ALIGN alignof(fd_snapct_tile_t)
1587 :
1588 : #define STEM_CALLBACK_SHOULD_SHUTDOWN should_shutdown
1589 0 : #define STEM_CALLBACK_DURING_HOUSEKEEPING during_housekeeping
1590 0 : #define STEM_CALLBACK_METRICS_WRITE metrics_write
1591 0 : #define STEM_CALLBACK_AFTER_CREDIT after_credit
1592 0 : #define STEM_CALLBACK_RETURNABLE_FRAG returnable_frag
1593 :
1594 : #include "../../disco/stem/fd_stem.c"
1595 :
1596 : fd_topo_run_tile_t fd_tile_snapct = {
1597 : .name = NAME,
1598 : .rlimit_file_cnt_fn = rlimit_file_cnt,
1599 : .populate_allowed_seccomp = populate_allowed_seccomp,
1600 : .populate_allowed_fds = populate_allowed_fds,
1601 : .scratch_align = scratch_align,
1602 : .scratch_footprint = scratch_footprint,
1603 : .loose_footprint = loose_footprint,
1604 : .privileged_init = privileged_init,
1605 : .unprivileged_init = unprivileged_init,
1606 : .run = stem_run,
1607 : .keep_host_networking = 1,
1608 : .allow_connect = 1,
1609 : .allow_renameat = 1,
1610 : };
1611 :
1612 : #undef NAME
|
