Line data Source code
1 : #include "fd_gossip_tile.h"
2 : #include "../../disco/metrics/fd_metrics.h"
3 : #include "generated/fd_gossip_tile_seccomp.h"
4 :
5 : #include "../../choreo/eqvoc/fd_eqvoc.h"
6 : #include "../../flamenco/gossip/fd_gossip_out.h"
7 : #include "../../flamenco/gossip/fd_active_set.h"
8 : #include "../../flamenco/features/fd_features.h"
9 : #include "../../disco/keyguard/fd_keyload.h"
10 : #include "../../disco/shred/fd_stake_ci.h"
11 : #include "../../disco/topo/fd_dns_resolve.h"
12 : #include "../../disco/fd_txn_m.h"
13 : #include "../tower/fd_tower_tile.h"
14 : #include "../restore/utils/fd_ssmsg.h"
15 :
16 0 : #define IN_KIND_GOSSVF (0)
17 0 : #define IN_KIND_SHRED_VERSION (1)
18 0 : #define IN_KIND_SIGN (2)
19 0 : #define IN_KIND_TXSEND (3)
20 0 : #define IN_KIND_EPOCH (4)
21 0 : #define IN_KIND_TOWER (5)
22 0 : #define IN_KIND_SNAPIN_MANIF (6)
23 :
24 : FD_FN_CONST static inline ulong
25 0 : scratch_align( void ) {
26 0 : return 128UL;
27 0 : }
28 :
29 : FD_FN_PURE static inline ulong
30 0 : scratch_footprint( fd_topo_tile_t const * tile ) {
31 0 : ulong l = FD_LAYOUT_INIT;
32 0 : l = FD_LAYOUT_APPEND( l, alignof(fd_gossip_tile_ctx_t), sizeof(fd_gossip_tile_ctx_t) );
33 0 : l = FD_LAYOUT_APPEND( l, fd_gossip_align(), fd_gossip_footprint( tile->gossip.max_entries, tile->gossip.entrypoints_cnt ) );
34 0 : return FD_LAYOUT_FINI( l, scratch_align() );
35 0 : }
36 :
37 : static void
38 : gossip_send_fn( void * ctx,
39 : fd_stem_context_t * stem,
40 : uchar const * payload,
41 : ulong payload_sz,
42 : fd_ip4_port_t const * peer_address,
43 0 : ulong tsorig ) {
44 0 : fd_gossip_tile_ctx_t * gossip_ctx = (fd_gossip_tile_ctx_t *)ctx;
45 :
46 0 : uchar * packet = (uchar *)fd_chunk_to_laddr( gossip_ctx->net_out->mem, gossip_ctx->net_out->chunk );
47 0 : fd_ip4_udp_hdrs_t * hdr = (fd_ip4_udp_hdrs_t *)packet;
48 0 : *hdr = *gossip_ctx->net_out_hdr;
49 :
50 0 : fd_ip4_hdr_t * ip4 = hdr->ip4;
51 0 : fd_udp_hdr_t * udp = hdr->udp;
52 :
53 0 : ip4->net_tot_len = fd_ushort_bswap( (ushort)(payload_sz + sizeof(fd_udp_hdr_t) + sizeof(fd_ip4_hdr_t)) );
54 0 : udp->net_len = fd_ushort_bswap( (ushort)(payload_sz + sizeof(fd_udp_hdr_t)) );
55 0 : ip4->daddr = peer_address->addr;
56 0 : udp->net_dport = peer_address->port;
57 0 : ip4->net_id = fd_ushort_bswap( gossip_ctx->net_id++ );
58 0 : ip4->check = fd_ip4_hdr_check_fast( ip4 );
59 0 : udp->check = 0;
60 :
61 0 : fd_memcpy( packet+sizeof(fd_ip4_udp_hdrs_t), payload, payload_sz );
62 :
63 0 : ulong tspub = fd_frag_meta_ts_comp( fd_tickcount() );
64 0 : ulong sig = fd_disco_netmux_sig( peer_address->addr, peer_address->port, peer_address->addr, DST_PROTO_OUTGOING, sizeof(fd_ip4_udp_hdrs_t) );
65 0 : ulong packet_sz = payload_sz + sizeof(fd_ip4_udp_hdrs_t);
66 :
67 0 : fd_stem_publish( stem, gossip_ctx->net_out->idx, sig, gossip_ctx->net_out->chunk, packet_sz, 0UL, tsorig, tspub );
68 0 : gossip_ctx->net_out->chunk = fd_dcache_compact_next( gossip_ctx->net_out->chunk, packet_sz, gossip_ctx->net_out->chunk0, gossip_ctx->net_out->wmark );
69 0 : }
70 :
71 : static void
72 : gossip_sign_fn( void * ctx,
73 : uchar const * data,
74 : ulong data_sz,
75 : int sign_type,
76 0 : uchar * out_signature ) {
77 0 : fd_gossip_tile_ctx_t * gossip_ctx = (fd_gossip_tile_ctx_t *)ctx;
78 0 : fd_keyguard_client_sign( gossip_ctx->keyguard_client, out_signature, data, data_sz, sign_type );
79 0 : }
80 :
81 : static void
82 : gossip_ping_tracker_change_fn( void * _ctx,
83 : uchar const * peer_pubkey,
84 : fd_ip4_port_t peer_address,
85 : long now,
86 0 : int change_type ) {
87 0 : (void)now;
88 :
89 0 : fd_gossip_tile_ctx_t * ctx = (fd_gossip_tile_ctx_t *)_ctx;
90 :
91 0 : fd_gossip_ping_update_t * ping_update = (fd_gossip_ping_update_t *)fd_chunk_to_laddr( ctx->gossvf_out->mem, ctx->gossvf_out->chunk );
92 0 : fd_memcpy( ping_update->pubkey.uc, peer_pubkey, 32UL );
93 0 : ping_update->gossip_addr.l = peer_address.l;
94 0 : ping_update->remove = change_type!=FD_PING_TRACKER_CHANGE_TYPE_ACTIVE;
95 :
96 0 : fd_stem_publish( ctx->stem, ctx->gossvf_out->idx, 0UL, ctx->gossvf_out->chunk, sizeof(fd_gossip_ping_update_t), 0UL, 0UL, 0UL );
97 0 : ctx->gossvf_out->chunk = fd_dcache_compact_next( ctx->gossvf_out->chunk, sizeof(fd_gossip_ping_update_t), ctx->gossvf_out->chunk0, ctx->gossvf_out->wmark );
98 0 : }
99 :
100 : static void
101 : gossip_activity_update_fn( void * _ctx,
102 : fd_pubkey_t const * identity,
103 : fd_gossip_contact_info_t const * ci,
104 0 : int change_type ) {
105 0 : fd_gossip_tile_ctx_t * ctx = (fd_gossip_tile_ctx_t *)_ctx;
106 :
107 : /* We won't start tracking updates until after the manifest is loaded.
108 : This is okay since this callback is triggered by all contact info
109 : updates, including refreshes, so any updates we missed at boot will
110 : show up shortly after. */
111 0 : if( FD_LIKELY( !ctx->my_contact_info->shred_version || ctx->wfs_state!=FD_GOSSIP_WFS_STATE_WAIT ) ) return;
112 :
113 : /* gossvf should filter out messages with mismatching shred version */
114 0 : FD_TEST( ci->shred_version==ctx->my_contact_info->shred_version );
115 :
116 : /* To match Agave's tvu_peers() filter, require a valid TVU UDP
117 : socket for the ACTIVE path. */
118 0 : if( FD_LIKELY( change_type==FD_GOSSIP_ACTIVITY_CHANGE_TYPE_ACTIVE ) ) {
119 0 : fd_ip4_port_t tvu_addr;
120 0 : tvu_addr.addr = ci->sockets[ FD_GOSSIP_CONTACT_INFO_SOCKET_TVU ].is_ipv6 ? 0U : ci->sockets[ FD_GOSSIP_CONTACT_INFO_SOCKET_TVU ].ip4;
121 0 : tvu_addr.port = ci->sockets[ FD_GOSSIP_CONTACT_INFO_SOCKET_TVU ].port;
122 0 : if( FD_UNLIKELY( !tvu_addr.l ) ) return;
123 0 : }
124 :
125 : /* If identity is not found in ctx->wfs_stakes the peer is likely
126 : unstaked and can be ignored. */
127 0 : ulong stake_idx = fd_stake_weight_key_sort_split( ctx->wfs_stakes, ctx->wfs_stakes_cnt, (fd_stake_weight_t){ .key = *identity } );
128 0 : if( FD_UNLIKELY( stake_idx>=ctx->wfs_stakes_cnt || memcmp( identity->uc, ctx->wfs_stakes[ stake_idx ].key.uc, sizeof(fd_pubkey_t) ) ) ) return;
129 :
130 0 : if( FD_LIKELY( change_type==FD_GOSSIP_ACTIVITY_CHANGE_TYPE_ACTIVE ) ) {
131 0 : if( FD_UNLIKELY( !ctx->wfs_active[ stake_idx ] ) ) {
132 0 : ctx->wfs_stake.online += ctx->wfs_stakes[ stake_idx ].stake;
133 0 : ctx->wfs_peers.online++;
134 0 : }
135 0 : ctx->wfs_active[ stake_idx ] = 1;
136 0 : }
137 0 : if( FD_LIKELY( change_type==FD_GOSSIP_ACTIVITY_CHANGE_TYPE_INACTIVE ) ) {
138 0 : if( FD_UNLIKELY( ctx->wfs_active[ stake_idx ] ) ) {
139 0 : ctx->wfs_stake.online -= ctx->wfs_stakes[ stake_idx ].stake;
140 0 : ctx->wfs_peers.online--;
141 0 : }
142 0 : ctx->wfs_active[ stake_idx ] = 0;
143 0 : }
144 :
145 0 : if( FD_UNLIKELY( ctx->wfs_stake.total>0UL && (ulong)( ((double)ctx->wfs_stake.online / (double)ctx->wfs_stake.total) * 100.0 ) >= 80UL ) ) {
146 0 : ctx->wfs_state = FD_GOSSIP_WFS_STATE_PUBLISH;
147 0 : }
148 0 : }
149 :
150 : static inline void
151 0 : during_housekeeping( fd_gossip_tile_ctx_t * ctx ) {
152 0 : ctx->last_wallclock = fd_log_wallclock();
153 0 : ctx->last_tickcount = fd_tickcount();
154 0 : if( FD_UNLIKELY( fd_keyswitch_state_query( ctx->keyswitch )==FD_KEYSWITCH_STATE_UNHALT_PENDING ) ) {
155 0 : FD_LOG_DEBUG(( "keyswitch: unhalting" ));
156 0 : FD_CHECK_CRIT( ctx->is_halting_signing, "state machine corruption" );
157 : /* Defer the actual set_identity call to after_credit, because it
158 : may incur a stem frag publish. */
159 0 : ctx->is_pending_set_identity = 1;
160 0 : }
161 :
162 0 : if( FD_UNLIKELY( fd_keyswitch_state_query( ctx->keyswitch )==FD_KEYSWITCH_STATE_SWITCH_PENDING ) ) {
163 0 : ctx->is_halting_signing = 1;
164 0 : fd_keyswitch_state( ctx->keyswitch, FD_KEYSWITCH_STATE_COMPLETED );
165 0 : }
166 0 : }
167 :
168 : static inline void
169 0 : metrics_write( fd_gossip_tile_ctx_t * ctx ) {
170 0 : fd_ping_tracker_metrics_t const * ping_tracker_metrics = fd_gossip_ping_tracker_metrics( ctx->gossip );
171 :
172 0 : FD_MGAUGE_SET( GOSSIP, PING_TRACKED_UNPINGED, ping_tracker_metrics->unpinged_cnt );
173 0 : FD_MGAUGE_SET( GOSSIP, PING_TRACKED_INVALID, ping_tracker_metrics->invalid_cnt );
174 0 : FD_MGAUGE_SET( GOSSIP, PING_TRACKED_VALID, ping_tracker_metrics->valid_cnt );
175 0 : FD_MGAUGE_SET( GOSSIP, PING_TRACKED_VALID_REFRESHING, ping_tracker_metrics->refreshing_cnt );
176 :
177 0 : FD_MCNT_SET( GOSSIP, PING_TRACKER_PONG_RESULT_STAKED, ping_tracker_metrics->pong_result[ 0UL ] );
178 0 : FD_MCNT_SET( GOSSIP, PING_TRACKER_PONG_RESULT_ENTRYPOINT, ping_tracker_metrics->pong_result[ 1UL ] );
179 0 : FD_MCNT_SET( GOSSIP, PING_TRACKER_PONG_RESULT_UNTRACKED, ping_tracker_metrics->pong_result[ 2UL ] );
180 0 : FD_MCNT_SET( GOSSIP, PING_TRACKER_PONG_RESULT_ADDRESS, ping_tracker_metrics->pong_result[ 3UL ] );
181 0 : FD_MCNT_SET( GOSSIP, PING_TRACKER_PONG_RESULT_TOKEN, ping_tracker_metrics->pong_result[ 4UL ] );
182 0 : FD_MCNT_SET( GOSSIP, PING_TRACKER_PONG_RESULT_SUCCESS, ping_tracker_metrics->pong_result[ 5UL ] );
183 :
184 0 : FD_MCNT_SET( GOSSIP, PING_TRACKER_EVICTED, ping_tracker_metrics->peers_evicted );
185 0 : FD_MCNT_SET( GOSSIP, PING_TRACKER_ADDED, ping_tracker_metrics->tracked_cnt );
186 0 : FD_MCNT_SET( GOSSIP, PING_TRACKER_STAKE_CHANGED, ping_tracker_metrics->stake_changed_cnt );
187 0 : FD_MCNT_SET( GOSSIP, PING_TRACKER_ADDRESS_CHANGED, ping_tracker_metrics->address_changed_cnt );
188 :
189 0 : fd_gossip_purged_metrics_t const * purged_metrics = fd_gossip_purged_metrics2( ctx->gossip );
190 :
191 0 : FD_MGAUGE_SET( GOSSIP, CRDS_PURGED_OCCUPIED, purged_metrics->purged_cnt );
192 0 : FD_MCNT_SET( GOSSIP, CRDS_PURGED_EVICTED, purged_metrics->purged_evicted_cnt );
193 0 : FD_MCNT_SET( GOSSIP, CRDS_PURGED_EXPIRED, purged_metrics->purged_expired_cnt );
194 :
195 0 : fd_crds_metrics_t const * crds_metrics = fd_gossip_crds_metrics( ctx->gossip );
196 :
197 0 : FD_MGAUGE_ENUM_COPY( GOSSIP, CRDS_OCCUPIED, crds_metrics->count );
198 0 : FD_MCNT_SET( GOSSIP, CRDS_EXPIRED, crds_metrics->expired_cnt );
199 0 : FD_MCNT_SET( GOSSIP, CRDS_EVICTED, crds_metrics->evicted_cnt );
200 :
201 0 : FD_MGAUGE_SET( GOSSIP, CRDS_PEER_STAKED, crds_metrics->peer_staked_cnt );
202 0 : FD_MGAUGE_SET( GOSSIP, CRDS_PEER_UNSTAKED, crds_metrics->peer_unstaked_cnt );
203 0 : FD_MGAUGE_SET( GOSSIP, CRDS_PEER_STAKE, crds_metrics->peer_visible_stake );
204 0 : FD_MCNT_SET( GOSSIP, CRDS_PEER_EVICTED, crds_metrics->peer_evicted_cnt );
205 :
206 0 : fd_gossip_metrics_t const * metrics = fd_gossip_metrics( ctx->gossip );
207 0 : fd_active_set_metrics_t const * active_set_metrics = fd_gossip_active_set_metrics2( ctx->gossip );
208 :
209 0 : ulong total_message_tx[ FD_METRICS_ENUM_GOSSIP_MESSAGE_CNT ] = {0};
210 0 : ulong total_message_tx_bytes[ FD_METRICS_ENUM_GOSSIP_MESSAGE_CNT ] = {0};
211 0 : for( ulong i=0UL; i<FD_METRICS_ENUM_GOSSIP_MESSAGE_CNT; i++ ) {
212 0 : total_message_tx[ i ] = metrics->message_tx[ i ] + active_set_metrics->message_tx[ i ];
213 0 : total_message_tx_bytes[ i ] = metrics->message_tx_bytes[ i ] + active_set_metrics->message_tx_bytes[ i ];
214 0 : }
215 0 : FD_MCNT_ENUM_COPY( GOSSIP, MESSAGE_TX, total_message_tx );
216 0 : FD_MCNT_ENUM_COPY( GOSSIP, MESSAGE_TX_BYTES, total_message_tx_bytes );
217 0 : FD_MCNT_ENUM_COPY( GOSSIP, CRDS_PUSH_TX, active_set_metrics->crds_tx_push );
218 0 : FD_MCNT_ENUM_COPY( GOSSIP, CRDS_PUSH_TX_BYTES, active_set_metrics->crds_tx_push_bytes );
219 0 : FD_MCNT_ENUM_COPY( GOSSIP, CRDS_PULL_RESPONSE_TX, metrics->crds_tx_pull_response );
220 0 : FD_MCNT_ENUM_COPY( GOSSIP, CRDS_PULL_RESPONSE_TX_BYTES, metrics->crds_tx_pull_response_bytes );
221 :
222 0 : FD_MCNT_ENUM_COPY( GOSSIP, CRDS_RX, metrics->crds_rx_count );
223 :
224 0 : FD_MGAUGE_SET( GOSSIP, WAIT_FOR_SUPERMAJORITY_STAKED_PEER_ONLINE, ctx->wfs_peers.online );
225 0 : FD_MGAUGE_SET( GOSSIP, WAIT_FOR_SUPERMAJORITY_STAKE_ONLINE, ctx->wfs_stake.online );
226 0 : FD_MGAUGE_SET( GOSSIP, WAIT_FOR_SUPERMAJORITY_STATE, (ulong)ctx->wfs_state );
227 0 : }
228 :
229 : /* Minimum quiet period (no new peers discovered) before we declare
230 : the gossip peer table saturated. Pull requests fire every ~1.6ms,
231 : so 500ms of silence means ~300 pulls returned no new contact
232 : infos — a strong convergence signal. */
233 : #define FD_GOSSIP_PEER_SAT_QUIET_NS (500L*1000L*1000L)
234 :
235 : static void
236 : after_credit( fd_gossip_tile_ctx_t * ctx,
237 : fd_stem_context_t * stem,
238 : int * opt_poll_in,
239 0 : int * charge_busy ) {
240 0 : ctx->stem = stem;
241 :
242 0 : if( FD_UNLIKELY( ctx->is_pending_set_identity ) ) {
243 : /* the identity key is swapped after the sign tile has been swapped
244 : because the below function directly sends a sign request. */
245 0 : FD_BASE58_ENCODE_32_BYTES( ctx->keyswitch->bytes, _new_id_b58 );
246 0 : fd_gossip_set_identity( ctx->gossip,
247 0 : ctx->keyswitch->bytes,
248 0 : ctx->last_wallclock,
249 0 : (ulong)FD_NANOSEC_TO_MICRO( ctx->keyswitch->param ) );
250 0 : ctx->is_halting_signing = 0;
251 0 : ctx->is_pending_set_identity = 0;
252 0 : fd_keyswitch_state( ctx->keyswitch, FD_KEYSWITCH_STATE_COMPLETED );
253 0 : *charge_busy = 1;
254 0 : return;
255 0 : }
256 :
257 0 : if( FD_UNLIKELY( !ctx->my_contact_info->shred_version ) ) return;
258 :
259 0 : if( FD_UNLIKELY( ctx->wfs_state==FD_GOSSIP_WFS_STATE_PUBLISH ) ) {
260 0 : fd_stem_publish( ctx->stem, ctx->gossip_out->idx, FD_GOSSIP_UPDATE_TAG_WFS_DONE, ctx->gossip_out->chunk, 0UL, 0UL, 0UL, 0UL );
261 0 : ctx->wfs_state = FD_GOSSIP_WFS_STATE_DONE;
262 0 : *opt_poll_in = 0;
263 0 : *charge_busy = 1;
264 0 : return;
265 0 : }
266 :
267 : /* Prevent attempts to sign with our old identity while switching to
268 : the new one. */
269 0 : if( FD_UNLIKELY( ctx->is_halting_signing ) ) return;
270 :
271 0 : long now = ctx->last_wallclock + (long)((double)(fd_tickcount()-ctx->last_tickcount)/ctx->ticks_per_ns);
272 0 : fd_gossip_advance( ctx->gossip, now, stem, charge_busy );
273 :
274 : /* Peer table saturation detection. After fd_gossip_advance updates
275 : the CRDS, check if the peer count has grown. If it hasn't grown
276 : for FD_GOSSIP_PEER_SAT_QUIET_NS and there is at least one other
277 : peer, publish a one-shot PEER_SATURATED notification. */
278 0 : if( FD_LIKELY( !ctx->peer_sat_published ) ) {
279 0 : fd_crds_metrics_t const * crds_metrics = fd_gossip_crds_metrics( ctx->gossip );
280 0 : ulong peer_cnt = crds_metrics->peer_staked_cnt + crds_metrics->peer_unstaked_cnt;
281 0 : if( FD_UNLIKELY( peer_cnt>ctx->peer_sat_hwm ) ) {
282 0 : ctx->peer_sat_hwm = peer_cnt;
283 0 : ctx->peer_sat_hwm_nanos = now;
284 0 : } else if( FD_UNLIKELY( peer_cnt>1UL && ctx->peer_sat_hwm_nanos!=0L &&
285 0 : (now-ctx->peer_sat_hwm_nanos)>FD_GOSSIP_PEER_SAT_QUIET_NS ) ) {
286 0 : FD_LOG_INFO(( "gossip peer table saturated (%lu peers, quiet for %ld ms)",
287 0 : peer_cnt, (now-ctx->peer_sat_hwm_nanos)/(1000L*1000L) ));
288 0 : fd_stem_publish( ctx->stem, ctx->gossip_out->idx, FD_GOSSIP_UPDATE_TAG_PEER_SATURATED, ctx->gossip_out->chunk, 0UL, 0UL, 0UL, 0UL );
289 0 : ctx->peer_sat_published = 1;
290 0 : *opt_poll_in = 0;
291 0 : *charge_busy = 1;
292 0 : }
293 0 : }
294 0 : }
295 :
296 : static void
297 : handle_shred_version( fd_gossip_tile_ctx_t * ctx,
298 0 : ulong sig ) {
299 0 : long now = ctx->last_wallclock + (long)((double)(fd_tickcount()-ctx->last_tickcount)/ctx->ticks_per_ns);
300 0 : ctx->my_contact_info->shred_version = (ushort)sig;
301 0 : fd_gossip_set_shred_version( ctx->gossip, (ushort)sig, now );
302 0 : }
303 :
304 : static void
305 : handle_local_vote( fd_gossip_tile_ctx_t * ctx,
306 : fd_txn_m_t const * txn_m,
307 0 : fd_stem_context_t * stem ) {
308 0 : long now = ctx->last_wallclock + (long)((double)(fd_tickcount()-ctx->last_tickcount)/ctx->ticks_per_ns);
309 0 : fd_gossip_push_vote( ctx->gossip, fd_txn_m_payload_const( txn_m ), txn_m->payload_sz, stem, now );
310 0 : }
311 :
312 : static void
313 : handle_epoch( fd_gossip_tile_ctx_t * ctx,
314 0 : fd_epoch_info_msg_t const * msg ) {
315 0 : if( FD_UNLIKELY( msg->staked_vote_cnt>MAX_STAKE_WEIGHTS ) )
316 0 : FD_LOG_ERR(( "epoch stakes exceed MAX_STAKE_WEIGHTS=%lu", MAX_STAKE_WEIGHTS ));
317 0 : if( FD_UNLIKELY( msg->staked_id_cnt>MAX_STAKE_WEIGHTS ) )
318 0 : FD_LOG_ERR(( "epoch id weights exceed MAX_STAKE_WEIGHTS=%lu", MAX_STAKE_WEIGHTS ));
319 :
320 0 : fd_stake_weight_t const * weights = fd_epoch_info_msg_id_weights( msg );
321 0 : fd_gossip_stakes_update( ctx->gossip, weights, msg->staked_id_cnt );
322 0 : }
323 :
324 : static void
325 : handle_packet( fd_gossip_tile_ctx_t * ctx,
326 : ulong sig,
327 : uchar const * payload,
328 : ulong payload_sz,
329 0 : fd_stem_context_t * stem ) {
330 0 : long now = ctx->last_wallclock + (long)((double)(fd_tickcount()-ctx->last_tickcount)/ctx->ticks_per_ns);
331 :
332 0 : fd_ip4_port_t peer = (fd_ip4_port_t){
333 0 : .addr = fd_gossvf_sig_addr( sig ),
334 0 : .port = fd_gossvf_sig_port( sig )
335 0 : };
336 :
337 0 : switch( fd_gossvf_sig_kind( sig ) ) {
338 0 : case 0: {
339 0 : fd_gossip_rx( ctx->gossip, peer, payload, payload_sz, now, stem );
340 0 : fd_gossip_advance( ctx->gossip, now, stem, NULL );
341 0 : break;
342 0 : }
343 0 : case 1: {
344 0 : fd_gossip_pingreq_t * pingreq = (fd_gossip_pingreq_t *)payload;
345 0 : fd_gossip_ping_tracker_track( ctx->gossip, pingreq->pubkey.uc, peer, now );
346 0 : }
347 0 : }
348 0 : }
349 :
350 : static void
351 : handle_local_duplicate_shred( fd_gossip_tile_ctx_t * ctx,
352 : ulong sig,
353 : fd_gossip_duplicate_shred_t const chunk[FD_EQVOC_CHUNK_CNT],
354 0 : fd_stem_context_t * stem ) {
355 0 : if( FD_UNLIKELY( sig==FD_TOWER_SIG_SLOT_DUPLICATE ) ) {
356 0 : long now = ctx->last_wallclock + (long)((double)(fd_tickcount()-ctx->last_tickcount)/ctx->ticks_per_ns);
357 0 : for( ulong i=0UL; i<FD_EQVOC_CHUNK_CNT; i++ ) fd_gossip_push_duplicate_shred( ctx->gossip, &chunk[i], stem, now );
358 0 : }
359 0 : }
360 :
361 : static inline int
362 : before_frag( fd_gossip_tile_ctx_t * ctx,
363 : ulong in_idx,
364 : ulong seq FD_PARAM_UNUSED,
365 0 : ulong sig FD_PARAM_UNUSED ) {
366 : /* Defer frag processing while switching identity or learning shred
367 : version */
368 0 : if( FD_UNLIKELY( ctx->is_halting_signing || ( !ctx->my_contact_info->shred_version && ctx->in[ in_idx ].kind!=IN_KIND_SHRED_VERSION ) ) ) return -1;
369 :
370 0 : return 0;
371 0 : }
372 :
373 : static inline void
374 : during_frag( fd_gossip_tile_ctx_t * ctx,
375 : ulong in_idx,
376 : ulong seq FD_PARAM_UNUSED,
377 : ulong sig FD_PARAM_UNUSED,
378 : ulong chunk,
379 : ulong sz,
380 0 : ulong ctl FD_PARAM_UNUSED ) {
381 0 : switch( ctx->in[ in_idx ].kind ) {
382 0 : case IN_KIND_GOSSVF: {
383 0 : if( FD_UNLIKELY( sz!=0UL && (chunk<ctx->in[ in_idx ].chunk0 || chunk>ctx->in[ in_idx ].wmark || sz>ctx->in[ in_idx ].mtu ) ) )
384 0 : FD_LOG_ERR(( "chunk %lu %lu from in %d corrupt, not in range [%lu,%lu]", chunk, sz, ctx->in[ in_idx ].kind, ctx->in[ in_idx ].chunk0, ctx->in[ in_idx ].wmark ));
385 :
386 0 : fd_memcpy( ctx->gossvf_staged, fd_chunk_to_laddr_const( ctx->in[ in_idx ].mem, chunk ), sz );
387 0 : break;
388 0 : }
389 0 : }
390 0 : }
391 :
392 : static inline void
393 : after_frag( fd_gossip_tile_ctx_t * ctx,
394 : ulong in_idx,
395 : ulong seq FD_PARAM_UNUSED,
396 : ulong sig,
397 : ulong sz,
398 : ulong tsorig FD_PARAM_UNUSED,
399 : ulong tspub FD_PARAM_UNUSED,
400 0 : fd_stem_context_t * stem ) {
401 0 : switch( ctx->in[ in_idx ].kind ) {
402 0 : case IN_KIND_GOSSVF: {
403 :
404 0 : FD_TEST( sz<=sizeof(ctx->gossvf_staged) );
405 :
406 0 : handle_packet( ctx, sig, ctx->gossvf_staged, sz, stem );
407 0 : break;
408 0 : }
409 0 : }
410 0 : }
411 :
412 : static inline int
413 : returnable_frag( fd_gossip_tile_ctx_t * ctx,
414 : ulong in_idx,
415 : ulong seq FD_PARAM_UNUSED,
416 : ulong sig,
417 : ulong chunk,
418 : ulong sz,
419 : ulong ctl FD_PARAM_UNUSED,
420 : ulong tsorig FD_PARAM_UNUSED,
421 : ulong tspub FD_PARAM_UNUSED,
422 0 : fd_stem_context_t * stem ) {
423 :
424 : /* Return early for unreliable links. */
425 0 : if( FD_UNLIKELY( ctx->in[ in_idx ].kind==IN_KIND_GOSSVF ) ) return 0;
426 :
427 0 : if( FD_UNLIKELY( sz!=0UL && (chunk<ctx->in[ in_idx ].chunk0 || chunk>ctx->in[ in_idx ].wmark || sz>ctx->in[ in_idx ].mtu ) ) )
428 0 : FD_LOG_ERR(( "chunk %lu %lu from in %d corrupt, not in range [%lu,%lu]", chunk, sz, ctx->in[ in_idx ].kind, ctx->in[ in_idx ].chunk0, ctx->in[ in_idx ].wmark ));
429 :
430 0 : switch( ctx->in[ in_idx ].kind ) {
431 0 : case IN_KIND_SHRED_VERSION: handle_shred_version( ctx, sig ); break;
432 0 : case IN_KIND_TXSEND: handle_local_vote( ctx, fd_chunk_to_laddr_const( ctx->in[ in_idx ].mem, chunk ), stem ); break;
433 0 : case IN_KIND_EPOCH: handle_epoch( ctx, fd_chunk_to_laddr_const( ctx->in[ in_idx ].mem, chunk ) ); break;
434 0 : case IN_KIND_TOWER: handle_local_duplicate_shred( ctx, sig, fd_chunk_to_laddr_const( ctx->in[ in_idx ].mem, chunk ), stem ); break;
435 0 : case IN_KIND_SNAPIN_MANIF: {
436 0 : if( FD_LIKELY( ctx->wfs_state==FD_GOSSIP_WFS_STATE_DONE ) ) break;
437 :
438 0 : if( FD_UNLIKELY( fd_ssmsg_sig_message( sig )==FD_SSMSG_DONE ) ) {
439 0 : ctx->wfs_state = FD_GOSSIP_WFS_STATE_WAIT;
440 0 : break;
441 0 : }
442 :
443 : /* FIXME: Replace handling for this when manifest supports larger
444 : vote and stake account bounds. */
445 0 : fd_snapshot_manifest_t const * manifest = fd_chunk_to_laddr( ctx->in[ in_idx ].mem, chunk );
446 :
447 0 : ulong wfs_stakes_unconverted_cnt = 0UL;
448 0 : ctx->wfs_stake.online = 0UL;
449 0 : ctx->wfs_stake.total = 0UL;
450 0 : ctx->wfs_peers.online = 0UL;
451 0 : ctx->wfs_peers.total = 0UL;
452 0 : memset( ctx->wfs_active, 0, sizeof(ctx->wfs_active) );
453 :
454 0 : FD_TEST( manifest->vote_accounts_len<=FD_RUNTIME_MAX_SNAPSHOT_VOTE_ACCOUNTS );
455 0 : for( ulong i=0UL; i<manifest->vote_accounts_len; i++ ) {
456 0 : if( FD_UNLIKELY( manifest->vote_accounts[ i ].stake==0UL ) ) continue;
457 0 : ctx->wfs_stake.total += manifest->vote_accounts[ i ].stake;
458 :
459 0 : fd_memcpy( ctx->wfs_stakes_scratch[ wfs_stakes_unconverted_cnt ].id_key.uc, manifest->vote_accounts[ i ].node_account_pubkey, sizeof(fd_pubkey_t) );
460 0 : fd_memcpy( ctx->wfs_stakes_scratch[ wfs_stakes_unconverted_cnt ].vote_key.uc, manifest->vote_accounts[ i ].vote_account_pubkey, sizeof(fd_pubkey_t) );
461 0 : ctx->wfs_stakes_scratch[ wfs_stakes_unconverted_cnt ].stake = manifest->vote_accounts[ i ].stake;
462 0 : wfs_stakes_unconverted_cnt++;
463 0 : }
464 0 : ctx->wfs_stakes_cnt = compute_id_weights_from_vote_weights( ctx->wfs_stakes, ctx->wfs_stakes_scratch, wfs_stakes_unconverted_cnt );
465 :
466 : /* sort for quick lookup */
467 0 : fd_stake_weight_key_sort_inplace( ctx->wfs_stakes, ctx->wfs_stakes_cnt );
468 :
469 0 : ctx->wfs_peers.total = ctx->wfs_stakes_cnt;
470 0 : FD_MGAUGE_SET( GOSSIP, WAIT_FOR_SUPERMAJORITY_STAKED_PEER_TOTAL, ctx->wfs_peers.total );
471 0 : FD_MGAUGE_SET( GOSSIP, WAIT_FOR_SUPERMAJORITY_STAKE_TOTAL, ctx->wfs_stake.total );
472 :
473 0 : break;
474 0 : }
475 0 : default: FD_LOG_ERR(( "unreachable" ));
476 0 : }
477 :
478 0 : return 0;
479 0 : }
480 :
481 : static void
482 : privileged_init( fd_topo_t const * topo,
483 0 : fd_topo_tile_t const * tile ) {
484 0 : void * scratch = fd_topo_obj_laddr( topo, tile->tile_obj_id );
485 :
486 0 : FD_SCRATCH_ALLOC_INIT( l, scratch );
487 0 : fd_gossip_tile_ctx_t * ctx = FD_SCRATCH_ALLOC_APPEND( l, alignof(fd_gossip_tile_ctx_t), sizeof(fd_gossip_tile_ctx_t) );
488 0 : fd_memset( ctx, 0, sizeof(fd_gossip_tile_ctx_t) );
489 :
490 0 : if( FD_UNLIKELY( !strcmp( tile->gossip.identity_key_path, "" ) ) )
491 0 : FD_LOG_ERR(( "identity_key_path not set" ));
492 :
493 0 : ctx->identity_key[ 0 ] = *(fd_pubkey_t const *)fd_type_pun_const( fd_keyload_load( tile->gossip.identity_key_path, /* pubkey only: */ 1 ) );
494 0 : FD_TEST( fd_rng_secure( &ctx->rng_seed, 4UL ) );
495 0 : FD_TEST( fd_rng_secure( &ctx->rng_idx, 8UL ) );
496 :
497 0 : FD_TEST( tile->gossip.entrypoints_cnt<=FD_TOPO_GOSSIP_ENTRYPOINTS_MAX );
498 0 : ctx->entrypoints_cnt = tile->gossip.entrypoints_cnt;
499 0 : fd_dns_resolve_peers( tile->gossip.entrypoints[ 0 ], sizeof(tile->gossip.entrypoints[ 0 ]), tile->gossip.entrypoints_cnt, "gossip.entrypoints", ctx->entrypoints );
500 :
501 0 : if( FD_LIKELY( tile->gossip.gossip_host[ 0 ]!='\0' ) ) {
502 0 : if( FD_UNLIKELY( !fd_dns_resolve_address( tile->gossip.gossip_host, &ctx->gossip_ip_addr ) ) ) FD_LOG_ERR(( "failed to resolve gossip host `%s`", tile->gossip.gossip_host ));
503 0 : } else {
504 0 : ctx->gossip_ip_addr = tile->gossip.net_ip_addr;
505 0 : }
506 0 : }
507 :
508 : static inline fd_gossip_out_ctx_t
509 : out1( fd_topo_t const * topo,
510 : fd_topo_tile_t const * tile,
511 0 : char const * name ) {
512 0 : ulong idx = ULONG_MAX;
513 :
514 0 : for( ulong i=0UL; i<tile->out_cnt; i++ ) {
515 0 : fd_topo_link_t const * link = &topo->links[ tile->out_link_id[ i ] ];
516 0 : if( !strcmp( link->name, name ) ) {
517 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 ));
518 0 : idx = i;
519 0 : }
520 0 : }
521 :
522 0 : if( FD_UNLIKELY( idx==ULONG_MAX ) ) FD_LOG_ERR(( "tile %s:%lu had no output link named %s", tile->name, tile->kind_id, name ));
523 :
524 0 : ulong mtu = topo->links[ tile->out_link_id[ idx ] ].mtu;
525 0 : if( FD_UNLIKELY( mtu==0UL ) ) return (fd_gossip_out_ctx_t){ .idx = idx, .mem = NULL, .chunk0 = ULONG_MAX, .wmark = ULONG_MAX, .chunk = ULONG_MAX };
526 :
527 0 : void * mem = topo->workspaces[ topo->objs[ topo->links[ tile->out_link_id[ idx ] ].dcache_obj_id ].wksp_id ].wksp;
528 0 : ulong chunk0 = fd_dcache_compact_chunk0( mem, topo->links[ tile->out_link_id[ idx ] ].dcache );
529 0 : ulong wmark = fd_dcache_compact_wmark ( mem, topo->links[ tile->out_link_id[ idx ] ].dcache, topo->links[ tile->out_link_id[ idx ] ].mtu );
530 :
531 0 : return (fd_gossip_out_ctx_t){ .idx = idx, .mem = mem, .chunk0 = chunk0, .wmark = wmark, .chunk = chunk0 };
532 0 : }
533 :
534 : static void
535 : unprivileged_init( fd_topo_t const * topo,
536 0 : fd_topo_tile_t const * tile ) {
537 0 : void * scratch = fd_topo_obj_laddr( topo, tile->tile_obj_id );
538 :
539 0 : FD_SCRATCH_ALLOC_INIT( l, scratch );
540 0 : fd_gossip_tile_ctx_t * ctx = FD_SCRATCH_ALLOC_APPEND( l, alignof(fd_gossip_tile_ctx_t), sizeof(fd_gossip_tile_ctx_t) );
541 0 : void * _gossip = FD_SCRATCH_ALLOC_APPEND( l, fd_gossip_align(), fd_gossip_footprint( tile->gossip.max_entries, tile->gossip.entrypoints_cnt ) );
542 :
543 0 : FD_TEST( fd_rng_join( fd_rng_new( ctx->rng, ctx->rng_seed, ctx->rng_idx ) ) );
544 :
545 0 : ctx->wfs_state = fd_int_if( memcmp( tile->gossip.wait_for_supermajority_with_bank_hash.uc, ((fd_pubkey_t){ 0 }).uc, sizeof(fd_pubkey_t) ), FD_GOSSIP_WFS_STATE_INIT, FD_GOSSIP_WFS_STATE_DONE );
546 :
547 0 : FD_TEST( tile->in_cnt<=sizeof(ctx->in)/sizeof(ctx->in[0]) );
548 0 : ulong sign_in_tile_idx = ULONG_MAX;
549 0 : for( ulong i=0UL; i<tile->in_cnt; i++ ) {
550 0 : fd_topo_link_t const * link = &topo->links[ tile->in_link_id[ i ] ];
551 0 : fd_topo_wksp_t const * link_wksp = &topo->workspaces[ topo->objs[ link->dcache_obj_id ].wksp_id ];
552 :
553 0 : ctx->in[ i ].mem = link_wksp->wksp;
554 0 : if( FD_LIKELY( link->mtu ) ) {
555 0 : ctx->in[ i ].chunk0 = fd_dcache_compact_chunk0( ctx->in[ i ].mem, link->dcache );
556 0 : ctx->in[ i ].wmark = fd_dcache_compact_wmark ( ctx->in[ i ].mem, link->dcache, link->mtu );
557 0 : }
558 0 : ctx->in[ i ].mtu = link->mtu;
559 :
560 0 : if( FD_UNLIKELY( !strcmp( link->name, "ipecho_out" ) ) ) {
561 0 : ctx->in[ i ].kind = IN_KIND_SHRED_VERSION;
562 0 : } else if( FD_UNLIKELY( !strcmp( link->name, "gossvf_gossip" ) ) ) {
563 0 : ctx->in[ i ].kind = IN_KIND_GOSSVF;
564 0 : FD_TEST( link->mtu<=sizeof(ctx->gossvf_staged) );
565 0 : } else if( FD_UNLIKELY( !strcmp( link->name, "sign_gossip" ) ) ) {
566 0 : ctx->in[ i ].kind = IN_KIND_SIGN;
567 0 : sign_in_tile_idx = i;
568 0 : } else if( FD_UNLIKELY( !strcmp( link->name, "txsend_out" ) ) ) {
569 0 : ctx->in[ i ].kind = IN_KIND_TXSEND;
570 0 : } else if( FD_UNLIKELY( !strcmp( link->name, "replay_epoch" ) ) ) {
571 0 : ctx->in[ i ].kind = IN_KIND_EPOCH;
572 0 : } else if( FD_UNLIKELY( !strcmp( link->name, "tower_out" ) ) ) {
573 0 : ctx->in[ i ].kind = IN_KIND_TOWER;
574 0 : } else if( FD_UNLIKELY( !strcmp( link->name, "snapin_manif" ) ) ) {
575 0 : ctx->in[ i ].kind = IN_KIND_SNAPIN_MANIF;
576 0 : } else {
577 0 : FD_LOG_ERR(( "unexpected input link name %s", link->name ));
578 0 : }
579 0 : }
580 :
581 0 : if( FD_UNLIKELY( sign_in_tile_idx==ULONG_MAX ) )
582 0 : FD_LOG_ERR(( "tile %s:%lu had no input link named sign_gossip", tile->name, tile->kind_id ));
583 :
584 0 : *ctx->net_out = out1( topo, tile, "gossip_net" );
585 0 : *ctx->sign_out = out1( topo, tile, "gossip_sign" );
586 0 : *ctx->gossip_out = out1( topo, tile, "gossip_out" );
587 0 : *ctx->gossvf_out = out1( topo, tile, "gossip_gossvf" );
588 :
589 0 : fd_topo_link_t const * sign_in = &topo->links[ tile->in_link_id [ sign_in_tile_idx ] ];
590 0 : fd_topo_link_t const * sign_out = &topo->links[ tile->out_link_id[ ctx->sign_out->idx ] ];
591 :
592 0 : ctx->keyswitch = fd_keyswitch_join( fd_topo_obj_laddr( topo, tile->id_keyswitch_obj_id ) );
593 0 : FD_TEST( ctx->keyswitch );
594 :
595 0 : if( fd_keyguard_client_join( fd_keyguard_client_new( ctx->keyguard_client,
596 0 : sign_out->mcache,
597 0 : sign_out->dcache,
598 0 : sign_in->mcache,
599 0 : sign_in->dcache,
600 0 : sign_out->mtu ) )==NULL ) {
601 0 : FD_LOG_ERR(( "failed to join keyguard client" ));
602 0 : }
603 :
604 0 : ctx->ticks_per_ns = fd_tempo_tick_per_ns( NULL );
605 0 : ctx->last_wallclock = fd_log_wallclock();
606 0 : ctx->last_tickcount = fd_tickcount();
607 :
608 0 : ctx->my_contact_info->shred_version = tile->gossip.shred_version;
609 :
610 0 : ctx->my_contact_info->outset = (ulong)FD_NANOSEC_TO_MICRO( tile->gossip.boot_timestamp_nanos );
611 :
612 0 : ctx->my_contact_info->version.client = FD_GOSSIP_CONTACT_INFO_CLIENT_FIREDANCER;
613 0 : ctx->my_contact_info->version.major = (ushort)fd_major_version;
614 0 : ctx->my_contact_info->version.minor = (ushort)fd_minor_version;
615 0 : ctx->my_contact_info->version.patch = (ushort)fd_patch_version;
616 0 : ctx->my_contact_info->version.commit = fd_commit_ref_u32;
617 0 : ctx->my_contact_info->version.feature_set = FD_FEATURE_SET_ID;
618 :
619 0 : ctx->my_contact_info->sockets[ FD_GOSSIP_CONTACT_INFO_SOCKET_GOSSIP ] = (fd_gossip_socket_t){ .is_ipv6 = 0, .ip4 = tile->gossip.ports.gossip ? ctx->gossip_ip_addr : 0, .port = fd_ushort_bswap( tile->gossip.ports.gossip ) };
620 0 : ctx->my_contact_info->sockets[ FD_GOSSIP_CONTACT_INFO_SOCKET_TVU ] = (fd_gossip_socket_t){ .is_ipv6 = 0, .ip4 = tile->gossip.ports.tvu ? ctx->gossip_ip_addr : 0, .port = fd_ushort_bswap( tile->gossip.ports.tvu ) };
621 0 : ctx->my_contact_info->sockets[ FD_GOSSIP_CONTACT_INFO_SOCKET_TPU ] = (fd_gossip_socket_t){ .is_ipv6 = 0, .ip4 = tile->gossip.ports.tpu ? ctx->gossip_ip_addr : 0, .port = fd_ushort_bswap( tile->gossip.ports.tpu ) };
622 0 : ctx->my_contact_info->sockets[ FD_GOSSIP_CONTACT_INFO_SOCKET_TPU_FORWARDS ] = (fd_gossip_socket_t){ .is_ipv6 = 0, .ip4 = tile->gossip.ports.tpu ? ctx->gossip_ip_addr : 0, .port = fd_ushort_bswap( tile->gossip.ports.tpu ) };
623 0 : ctx->my_contact_info->sockets[ FD_GOSSIP_CONTACT_INFO_SOCKET_TPU_QUIC ] = (fd_gossip_socket_t){ .is_ipv6 = 0, .ip4 = tile->gossip.ports.tpu_quic ? ctx->gossip_ip_addr : 0, .port = fd_ushort_bswap( tile->gossip.ports.tpu_quic ) };
624 0 : ctx->my_contact_info->sockets[ FD_GOSSIP_CONTACT_INFO_SOCKET_TPU_VOTE_QUIC ] = (fd_gossip_socket_t){ .is_ipv6 = 0, .ip4 = tile->gossip.ports.tpu_quic ? ctx->gossip_ip_addr : 0, .port = fd_ushort_bswap( tile->gossip.ports.tpu_quic ) };
625 0 : ctx->my_contact_info->sockets[ FD_GOSSIP_CONTACT_INFO_SOCKET_TPU_FORWARDS_QUIC ] = (fd_gossip_socket_t){ .is_ipv6 = 0, .ip4 = tile->gossip.ports.tpu_quic ? ctx->gossip_ip_addr : 0, .port = fd_ushort_bswap( tile->gossip.ports.tpu_quic ) };
626 0 : ctx->my_contact_info->sockets[ FD_GOSSIP_CONTACT_INFO_SOCKET_TPU_VOTE ] = (fd_gossip_socket_t){ .is_ipv6 = 0, .ip4 = tile->gossip.ports.tpu ? ctx->gossip_ip_addr : 0, .port = fd_ushort_bswap( tile->gossip.ports.tpu ) };
627 0 : ctx->my_contact_info->sockets[ FD_GOSSIP_CONTACT_INFO_SOCKET_SERVE_REPAIR ] = (fd_gossip_socket_t){ .is_ipv6 = 0, .ip4 = tile->gossip.ports.rserve ? ctx->gossip_ip_addr : 0, .port = fd_ushort_bswap( tile->gossip.ports.rserve ) };
628 0 : ctx->my_contact_info->sockets[ FD_GOSSIP_CONTACT_INFO_SOCKET_SERVE_REPAIR_QUIC ] = (fd_gossip_socket_t){ .is_ipv6 = 0, .ip4 = tile->gossip.ports.rserve ? ctx->gossip_ip_addr : 0, .port = fd_ushort_bswap( tile->gossip.ports.rserve ) };
629 :
630 0 : ctx->my_contact_info->sockets[ FD_GOSSIP_CONTACT_INFO_SOCKET_TVU_QUIC ] = (fd_gossip_socket_t){ .is_ipv6 = 0, .ip4 = 0, .port = 0 };
631 0 : ctx->my_contact_info->sockets[ FD_GOSSIP_CONTACT_INFO_SOCKET_RPC ] = (fd_gossip_socket_t){ .is_ipv6 = 0, .ip4 = 0, .port = 0 };
632 0 : ctx->my_contact_info->sockets[ FD_GOSSIP_CONTACT_INFO_SOCKET_RPC_PUBSUB ] = (fd_gossip_socket_t){ .is_ipv6 = 0, .ip4 = 0, .port = 0 };
633 :
634 0 : ctx->gossip = fd_gossip_join( fd_gossip_new( _gossip,
635 0 : ctx->rng,
636 0 : tile->gossip.max_entries,
637 0 : ctx->entrypoints_cnt,
638 0 : ctx->entrypoints,
639 0 : ctx->identity_key->uc,
640 0 : ctx->my_contact_info,
641 0 : ctx->last_wallclock,
642 0 : gossip_send_fn,
643 0 : ctx,
644 0 : gossip_sign_fn,
645 0 : ctx,
646 0 : gossip_ping_tracker_change_fn,
647 0 : ctx,
648 0 : gossip_activity_update_fn,
649 0 : ctx,
650 0 : ctx->gossip_out,
651 0 : ctx->net_out ) );
652 0 : FD_TEST( ctx->gossip );
653 :
654 0 : FD_MGAUGE_SET( GOSSIP, CRDS_CAPACITY, tile->gossip.max_entries );
655 0 : FD_MGAUGE_SET( GOSSIP, CRDS_PEER_CAPACITY, FD_CONTACT_INFO_TABLE_SIZE );
656 0 : FD_MGAUGE_SET( GOSSIP, CRDS_PURGED_CAPACITY, 4UL*tile->gossip.max_entries );
657 :
658 0 : fd_ip4_udp_hdr_init( ctx->net_out_hdr, FD_GOSSIP_MTU, tile->gossip.bind_ip_addr, tile->gossip.ports.gossip );
659 :
660 0 : ulong scratch_top = FD_SCRATCH_ALLOC_FINI( l, scratch_align() );
661 0 : if( FD_UNLIKELY( scratch_top > (ulong)scratch + scratch_footprint( tile ) ) )
662 0 : FD_LOG_ERR(( "scratch overflow %lu %lu %lu", scratch_top - (ulong)scratch - scratch_footprint( tile ), scratch_top, (ulong)scratch + scratch_footprint( tile ) ));
663 0 : }
664 :
665 : static ulong
666 : populate_allowed_seccomp( fd_topo_t const * topo,
667 : fd_topo_tile_t const * tile,
668 : ulong out_cnt,
669 0 : struct sock_filter * out ) {
670 0 : (void)topo;
671 0 : (void)tile;
672 :
673 0 : populate_sock_filter_policy_fd_gossip_tile( out_cnt, out, (uint)fd_log_private_logfile_fd() );
674 0 : return sock_filter_policy_fd_gossip_tile_instr_cnt;
675 0 : }
676 :
677 : static ulong
678 : populate_allowed_fds( fd_topo_t const * topo,
679 : fd_topo_tile_t const * tile,
680 : ulong out_fds_cnt,
681 0 : int * out_fds ) {
682 0 : (void)topo;
683 0 : (void)tile;
684 :
685 0 : if( FD_UNLIKELY( out_fds_cnt<2UL ) ) FD_LOG_ERR(( "out_fds_cnt %lu", out_fds_cnt ));
686 :
687 0 : ulong out_cnt = 0UL;
688 0 : out_fds[ out_cnt++ ] = 2; /* stderr */
689 0 : if( FD_LIKELY( -1!=fd_log_private_logfile_fd() ) )
690 0 : out_fds[ out_cnt++ ] = fd_log_private_logfile_fd(); /* logfile */
691 0 : return out_cnt;
692 0 : }
693 :
694 : /* STEM_BURST must bound the maximum number of fd_stem_publish
695 : calls on any single output link between two consecutive
696 : credit checks in the stem run loop. One iteration consists
697 : of after_credit (which calls fd_gossip_advance) followed by
698 : processing one input fragment (returnable_frag).
699 :
700 : The two reliable output links and their per-iteration worst cases:
701 :
702 : gossvf_out (via gossip_ping_tracker_change_fn):
703 : tx_ping evictions + expiries FD_PING_TRACKER_MAX
704 : fd_ping_tracker_track from rx_values 2*FD_GOSSIP_MESSAGE_MAX_CRDS
705 : Total: FD_PING_TRACKER_MAX + 2*FD_GOSSIP_MESSAGE_MAX_CRDS
706 :
707 : gossip_out (via fd_gossip_tx_publish_chunk):
708 : fd_crds_advance expire (ContactInfos) FD_CONTACT_INFO_TABLE_SIZE
709 : fd_crds_insert publish + evictions 2*FD_GOSSIP_MESSAGE_MAX_CRDS
710 : Total: FD_CONTACT_INFO_TABLE_SIZE + 2*FD_GOSSIP_MESSAGE_MAX_CRDS
711 :
712 : Among the reliable output links, gossvf_out dominates. */
713 : FD_STATIC_ASSERT( FD_PING_TRACKER_MAX+2UL*FD_GOSSIP_MESSAGE_MAX_CRDS>=FD_CONTACT_INFO_TABLE_SIZE+2UL*FD_GOSSIP_MESSAGE_MAX_CRDS, "STEM_BURST does not account for worst case output link" );
714 0 : #define STEM_BURST (FD_PING_TRACKER_MAX+2UL*FD_GOSSIP_MESSAGE_MAX_CRDS)
715 :
716 0 : #define STEM_LAZY (128L*3000L)
717 :
718 0 : #define STEM_CALLBACK_CONTEXT_TYPE fd_gossip_tile_ctx_t
719 0 : #define STEM_CALLBACK_CONTEXT_ALIGN alignof(fd_gossip_tile_ctx_t)
720 :
721 0 : #define STEM_CALLBACK_DURING_HOUSEKEEPING during_housekeeping
722 0 : #define STEM_CALLBACK_METRICS_WRITE metrics_write
723 0 : #define STEM_CALLBACK_AFTER_CREDIT after_credit
724 0 : #define STEM_CALLBACK_BEFORE_FRAG before_frag
725 0 : #define STEM_CALLBACK_DURING_FRAG during_frag
726 0 : #define STEM_CALLBACK_AFTER_FRAG after_frag
727 0 : #define STEM_CALLBACK_RETURNABLE_FRAG returnable_frag
728 :
729 : #include "../../disco/stem/fd_stem.c"
730 :
731 : fd_topo_run_tile_t fd_tile_gossip = {
732 : .name = "gossip",
733 : .populate_allowed_seccomp = populate_allowed_seccomp,
734 : .populate_allowed_fds = populate_allowed_fds,
735 : .scratch_align = scratch_align,
736 : .scratch_footprint = scratch_footprint,
737 : .privileged_init = privileged_init,
738 : .unprivileged_init = unprivileged_init,
739 : .run = stem_run,
740 : };
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