Line data Source code
1 : #define _GNU_SOURCE
2 :
3 : #include "../../platform/fd_sys_util.h"
4 : #include "../../shared/genesis_hash.h"
5 : #include "../../shared/commands/configure/configure.h"
6 : #include "../../shared/commands/run/run.h"
7 : #include "../../shared/commands/monitor/monitor.h"
8 :
9 : #include <stdio.h>
10 : #include <unistd.h>
11 : #include <sched.h>
12 : #include <fcntl.h>
13 : #include <pthread.h>
14 : #include <sys/wait.h>
15 :
16 : fd_topo_run_tile_t
17 : fdctl_tile_run( fd_topo_tile_t const * tile );
18 :
19 : void
20 : dev_cmd_args( int * pargc,
21 : char *** pargv,
22 0 : args_t * args ) {
23 0 : args->dev.parent_pipefd = -1;
24 0 : args->dev.monitor = fd_env_strip_cmdline_contains( pargc, pargv, "--monitor" );
25 0 : args->dev.no_configure = fd_env_strip_cmdline_contains( pargc, pargv, "--no-configure" );
26 0 : args->dev.no_init_workspaces = fd_env_strip_cmdline_contains( pargc, pargv, "--no-init-workspaces" );
27 0 : args->dev.no_agave = fd_env_strip_cmdline_contains( pargc, pargv, "--no-agave" ) ||
28 0 : fd_env_strip_cmdline_contains( pargc, pargv, "--no-solana" );
29 0 : const char * debug_tile = fd_env_strip_cmdline_cstr( pargc, pargv, "--debug-tile", NULL, NULL );
30 0 : if( FD_UNLIKELY( debug_tile ) )
31 0 : strncpy( args->dev.debug_tile, debug_tile, sizeof( args->dev.debug_tile ) - 1 );
32 0 : }
33 :
34 : void
35 : dev_cmd_perm( args_t * args,
36 : fd_cap_chk_t * chk,
37 0 : config_t const * config ) {
38 0 : if( FD_LIKELY( !args->dev.no_configure ) ) {
39 0 : args_t configure_args = {
40 0 : .configure.command = CONFIGURE_CMD_INIT,
41 0 : };
42 0 : for( ulong i=0UL; STAGES[ i ]; i++ )
43 0 : configure_args.configure.stages[ i ] = STAGES[ i ];
44 0 : configure_cmd_perm( &configure_args, chk, config );
45 0 : }
46 :
47 0 : run_cmd_perm( NULL, chk, config );
48 0 : }
49 :
50 : pid_t firedancer_pid, monitor_pid;
51 : extern char fd_log_private_path[ 1024 ]; /* empty string on start */
52 :
53 0 : #define FD_LOG_ERR_NOEXIT(a) do { long _fd_log_msg_now = fd_log_wallclock(); fd_log_private_1( 4, _fd_log_msg_now, __FILE__, __LINE__, __func__, fd_log_private_0 a ); } while(0)
54 :
55 : extern int * fd_log_private_shared_lock;
56 :
57 : static void
58 0 : parent_signal( int sig ) {
59 0 : if( FD_LIKELY( firedancer_pid ) ) kill( firedancer_pid, SIGINT );
60 0 : if( FD_LIKELY( monitor_pid ) ) kill( monitor_pid, SIGKILL );
61 :
62 : /* Same hack as in run.c, see comments there. */
63 0 : int lock = 0;
64 0 : fd_log_private_shared_lock = &lock;
65 :
66 0 : if( -1!=fd_log_private_logfile_fd() ) FD_LOG_ERR_NOEXIT(( "Received signal %s\nLog at \"%s\"", fd_io_strsignal( sig ), fd_log_private_path ));
67 0 : else FD_LOG_ERR_NOEXIT(( "Received signal %s", fd_io_strsignal( sig ) ));
68 :
69 0 : if( FD_LIKELY( sig==SIGINT ) ) fd_sys_util_exit_group( 128+SIGINT );
70 0 : else fd_sys_util_exit_group( 0 );
71 0 : }
72 :
73 : static void
74 0 : install_parent_signals( void ) {
75 0 : struct sigaction sa = {
76 0 : .sa_handler = parent_signal,
77 0 : .sa_flags = 0,
78 0 : };
79 0 : if( FD_UNLIKELY( sigaction( SIGTERM, &sa, NULL ) ) )
80 0 : FD_LOG_ERR(( "sigaction(SIGTERM) failed (%i-%s)", errno, fd_io_strerror( errno ) ));
81 0 : if( FD_UNLIKELY( sigaction( SIGINT, &sa, NULL ) ) )
82 0 : FD_LOG_ERR(( "sigaction(SIGINT) failed (%i-%s)", errno, fd_io_strerror( errno ) ));
83 0 : }
84 :
85 : void
86 0 : update_config_for_dev( fd_config_t * config ) {
87 : /* Automatically compute the shred version from genesis if it
88 : exists and we don't know it. If it doesn't exist, we'll keep it
89 : set to zero and get from gossip. */
90 0 : char genesis_path[ PATH_MAX ];
91 0 : FD_TEST( fd_cstr_printf_check( genesis_path, PATH_MAX, NULL, "%s/genesis.bin", config->paths.ledger ) );
92 0 : ushort shred_version = compute_shred_version( genesis_path, NULL );
93 0 : for( ulong i=0UL; i<config->layout.shred_tile_count; i++ ) {
94 0 : ulong shred_id = fd_topo_find_tile( &config->topo, "shred", i );
95 0 : if( FD_UNLIKELY( shred_id==ULONG_MAX ) ) FD_LOG_ERR(( "could not find shred tile %lu", i ));
96 0 : fd_topo_tile_t * shred = &config->topo.tiles[ shred_id ];
97 0 : if( FD_LIKELY( shred->shred.expected_shred_version==(ushort)0 ) ) {
98 0 : shred->shred.expected_shred_version = shred_version;
99 0 : }
100 0 : }
101 0 : ulong store_id = fd_topo_find_tile( &config->topo, "storei", 0 );
102 0 : if( FD_UNLIKELY( store_id!=ULONG_MAX ) ) {
103 0 : fd_topo_tile_t * storei = &config->topo.tiles[ store_id ];
104 0 : if( FD_LIKELY( storei->store_int.expected_shred_version==(ushort)0 ) ) {
105 0 : storei->store_int.expected_shred_version = shred_version;
106 0 : }
107 0 : }
108 0 : }
109 :
110 : /* Run Firedancer entirely in a single process for development and
111 : debugging convenience. */
112 :
113 : static void
114 : run_firedancer_threaded( config_t * config,
115 : int init_workspaces,
116 0 : void ( * agave_main )( config_t const * ) ) {
117 0 : install_parent_signals();
118 :
119 0 : fd_topo_print_log( 0, &config->topo );
120 :
121 0 : run_firedancer_init( config, init_workspaces );
122 0 : fdctl_setup_netns( config, 1 );
123 :
124 0 : if( FD_UNLIKELY( config->development.debug_tile ) ) {
125 0 : fd_log_private_shared_lock[ 1 ] = 1;
126 0 : }
127 :
128 : /* This is kind of a hack, but we have to join all the workspaces as read-write
129 : if we are running things threaded. The reason is that if one of the earlier
130 : tiles maps it in as read-only, later tiles will reuse the same cached shmem
131 : join (the key is only on shmem name, when it should be (name, mode)). */
132 :
133 0 : if( 0==strcmp( config->net.provider, "xdp" ) ) {
134 0 : fd_xdp_fds_t fds = fd_topo_install_xdp( &config->topo, config->net.bind_address_parsed );
135 0 : (void)fds;
136 0 : }
137 :
138 0 : fd_topo_join_workspaces( &config->topo, FD_SHMEM_JOIN_MODE_READ_WRITE );
139 0 : fd_topo_run_single_process( &config->topo, 2, config->uid, config->gid, fdctl_tile_run, NULL );
140 :
141 0 : if( FD_UNLIKELY( agave_main && !config->development.no_agave ) ) {
142 0 : agave_main( config );
143 0 : }
144 :
145 : /* None of the threads will ever exit, they just abort the process, so sleep forever. */
146 0 : for(;;) pause();
147 0 : }
148 :
149 : void
150 : dev_cmd_fn( args_t * args,
151 : config_t * config,
152 0 : void ( * agave_main )( config_t const * ) ) {
153 0 : if( FD_LIKELY( !args->dev.no_configure ) ) {
154 0 : args_t configure_args = {
155 0 : .configure.command = CONFIGURE_CMD_INIT,
156 0 : };
157 0 : for( ulong i=0UL; STAGES[ i ]; i++ )
158 0 : configure_args.configure.stages[ i ] = STAGES[ i ];
159 0 : configure_cmd_fn( &configure_args, config );
160 0 : }
161 :
162 0 : update_config_for_dev( config );
163 0 : if( FD_UNLIKELY( args->dev.no_agave ) ) config->development.no_agave = 1;
164 :
165 0 : if( FD_UNLIKELY( strcmp( "", args->dev.debug_tile ) ) ) {
166 0 : if( FD_LIKELY( config->development.sandbox ) ) {
167 0 : FD_LOG_WARNING(( "disabling sandbox to debug tile `%s`", args->dev.debug_tile ));
168 0 : config->development.sandbox = 0;
169 0 : }
170 :
171 0 : if( !strcmp( args->dev.debug_tile, "solana" ) ||
172 0 : !strcmp( args->dev.debug_tile, "agave" ) ) {
173 0 : config->development.debug_tile = UINT_MAX; /* Sentinel value representing Agave */
174 0 : } else {
175 0 : ulong tile_id = fd_topo_find_tile( &config->topo, args->dev.debug_tile, 0UL );
176 0 : if( FD_UNLIKELY( tile_id==ULONG_MAX ) ) FD_LOG_ERR(( "--debug-tile `%s` not present in topology", args->dev.debug_tile ));
177 0 : config->development.debug_tile = 1U+(uint)tile_id;
178 0 : }
179 0 : }
180 :
181 0 : if( FD_LIKELY( !args->dev.monitor ) ) {
182 0 : if( FD_LIKELY( !config->development.no_clone ) ) run_firedancer( config, args->dev.parent_pipefd, !args->dev.no_init_workspaces );
183 0 : else run_firedancer_threaded( config , !args->dev.no_init_workspaces, agave_main );
184 0 : } else {
185 0 : install_parent_signals();
186 :
187 0 : int pipefd[2];
188 0 : if( FD_UNLIKELY( pipe2( pipefd, O_NONBLOCK ) ) ) FD_LOG_ERR(( "pipe2() failed (%i-%s)", errno, fd_io_strerror( errno ) ));
189 0 : initialize_workspaces(config);
190 0 : firedancer_pid = fork();
191 0 : if( !firedancer_pid ) {
192 0 : if( FD_UNLIKELY( close( pipefd[0] ) ) ) FD_LOG_ERR(( "close() failed (%i-%s)", errno, fd_io_strerror( errno ) ));
193 0 : if( FD_UNLIKELY( dup2( pipefd[1], STDERR_FILENO ) == -1 ) )
194 0 : FD_LOG_ERR(( "dup2() failed (%i-%s)", errno, fd_io_strerror( errno ) ));
195 0 : if( FD_UNLIKELY( close( pipefd[1] ) ) ) FD_LOG_ERR(( "close() failed (%i-%s)", errno, fd_io_strerror( errno ) ));
196 0 : if( FD_UNLIKELY( setenv( "RUST_LOG_STYLE", "always", 1 ) ) ) /* otherwise RUST_LOG will not be colorized to the pipe */
197 0 : FD_LOG_ERR(( "setenv() failed (%i-%s)", errno, fd_io_strerror( errno ) ));
198 0 : if( FD_LIKELY( !config->development.no_clone ) ) run_firedancer( config, -1, 0 );
199 0 : else run_firedancer_threaded( config , 0, agave_main );
200 0 : } else {
201 0 : if( FD_UNLIKELY( close( pipefd[1] ) ) ) FD_LOG_ERR(( "close() failed (%i-%s)", errno, fd_io_strerror( errno ) ));
202 0 : }
203 :
204 0 : args_t monitor_args;
205 0 : int argc = 0;
206 0 : char * argv[] = { NULL };
207 0 : char ** pargv = (char**)argv;
208 0 : monitor_cmd_args( &argc, &pargv, &monitor_args );
209 0 : monitor_args.monitor.drain_output_fd = pipefd[0];
210 :
211 0 : monitor_pid = fork();
212 0 : if( !monitor_pid ) monitor_cmd_fn( &monitor_args, config );
213 0 : if( FD_UNLIKELY( close( pipefd[0] ) ) ) FD_LOG_ERR(( "close() failed (%i-%s)", errno, fd_io_strerror( errno ) ));
214 :
215 0 : int wstatus;
216 0 : pid_t exited_pid = wait4( -1, &wstatus, (int)__WALL, NULL );
217 0 : if( FD_UNLIKELY( exited_pid == -1 ) ) FD_LOG_ERR(( "wait4() failed (%i-%s)", errno, fd_io_strerror( errno ) ));
218 :
219 0 : char * exited_child = exited_pid == firedancer_pid ? "firedancer" : exited_pid == monitor_pid ? "monitor" : "unknown";
220 0 : int exit_code = 0;
221 0 : if( FD_UNLIKELY( !WIFEXITED( wstatus ) ) ) {
222 0 : FD_LOG_ERR(( "%s exited unexpectedly with signal %d (%s)", exited_child, WTERMSIG( wstatus ), fd_io_strsignal( WTERMSIG( wstatus ) ) ));
223 0 : exit_code = WTERMSIG( wstatus );
224 0 : } else {
225 0 : FD_LOG_ERR(( "%s exited unexpectedly with code %d", exited_child, WEXITSTATUS( wstatus ) ));
226 0 : if( FD_UNLIKELY( exited_pid == monitor_pid && !WEXITSTATUS( wstatus ) ) ) exit_code = EXIT_FAILURE;
227 0 : else exit_code = WEXITSTATUS( wstatus );
228 0 : }
229 :
230 0 : if( FD_UNLIKELY( exited_pid == monitor_pid ) ) {
231 0 : if( FD_UNLIKELY( kill( firedancer_pid, SIGKILL ) ) )
232 0 : FD_LOG_ERR(( "failed to kill all processes (%i-%s)", errno, fd_io_strerror( errno ) ));
233 0 : } else {
234 0 : if( FD_UNLIKELY( kill( monitor_pid, SIGKILL ) ) )
235 0 : FD_LOG_ERR(( "failed to kill all processes (%i-%s)", errno, fd_io_strerror( errno ) ));
236 0 : }
237 0 : fd_sys_util_exit_group( exit_code );
238 0 : }
239 0 : }
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