mirror of
https://github.com/ElementsProject/lightning.git
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lightningd/lightningd: daemon for controlling the other daemons.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
This commit is contained in:
Rusty Russell
parent
4b9eb19c68
commit
8bf33c7839
1
Makefile
1
Makefile
@ -209,6 +209,7 @@ default: $(PROGRAMS) $(MANPAGES) daemon-all
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include bitcoin/Makefile
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include wire/Makefile
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include lightningd/Makefile
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# Git doesn't maintain timestamps, so we only regen if git says we should.
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CHANGED_FROM_GIT = [ x"`git log $@ | head -n1`" != x"`git log $< | head -n1`" -o x"`git diff $<`" != x"" ]
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1
lightningd/.gitignore
vendored
Normal file
1
lightningd/.gitignore
vendored
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@ -0,0 +1 @@
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lightningd
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52
lightningd/Makefile
Normal file
52
lightningd/Makefile
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#! /usr/bin/make
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# Designed to be run one level up
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lightningd-wrongdir:
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$(MAKE) -C .. lightningd-all
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lightningd-all: lightningd/lightningd
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default: lightningd-all
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LIGHTNINGD_LIB_SRC := \
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daemon/configdir.c \
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daemon/json.c \
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daemon/log.c \
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daemon/options.c \
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daemon/opt_time.c \
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daemon/pseudorand.c \
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daemon/routing.c \
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daemon/watch.c
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LIGHTNINGD_LIB_OBJS := $(LIGHTNINGD_LIB_SRC:.c=.o)
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LIGHTNINGD_SRC := \
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lightningd/lightningd.c
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LIGHTNINGD_OBJS := $(LIGHTNINGD_SRC:.c=.o)
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LIGHTNINGD_JSMN_OBJS := daemon/jsmn.o
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LIGHTNINGD_JSMN_HEADERS := daemon/jsmn/jsmn.h
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LIGHTNINGD_HEADERS := lightningd/lightningd.h
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$(LIGHTNINGD_OBJS): $(LIGHTNINGD_HEADERS) $(LIGHTNINGD_JSMN_HEADERS) $(BITCOIN_HEADERS) $(CORE_HEADERS) $(GEN_HEADERS) $(CCAN_HEADERS) $(DAEMON_HEADERS) $(LIBBASE58_HEADERS)
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check-source: $(LIGHTNINGD_SRC:%=check-src-include-order/%)
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check-source: $(LIGHTNINGD_LIB_SRC:%=check-src-include-order/%)
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check-source: $(LIGHTNINGD_CLI_SRC:%=check-src-include-order/%)
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check-source: $(LIGHTNINGD_HEADERS:%=check-hdr-include-order/%)
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check-source-bolt: $(LIGHTNINGD_SRC:%=bolt-check/%) $(LIGHTNINGD_HEADERS:%=bolt-check/%)
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check-whitespace: $(LIGHTNINGD_SRC:%=check-whitespace/%) $(LIGHTNINGD_HEADERS:%=check-whitespace/%)
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check-lightningd-makefile:
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@if [ "`ls lightningd/*.h | grep -v lightningd/gen | tr '\012' ' '`" != "`echo $(LIGHTNINGD_HEADERS) ''`" ]; then echo LIGHTNINGD_HEADERS incorrect; exit 1; fi
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lightningd/lightningd: $(LIGHTNINGD_OBJS) $(LIGHTNINGD_LIB_OBJS) $(LIGHTNINGD_JSMN_OBJS) $(CORE_OBJS) $(BITCOIN_OBJS) $(WIRE_OBJS) $(CCAN_OBJS) $(LIBBASE58_OBJS) libsecp256k1.a
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clean: lightningd-clean
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lightningd-clean:
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$(RM) $(LIGHTNINGD_OBJS) $(LIGHTNINGD_LIB_OBJS) $(LIGHTNINGD_JSMN_OBJS)
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196
lightningd/lightningd.c
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196
lightningd/lightningd.c
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@ -0,0 +1,196 @@
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#include "lightningd.h"
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#include <ccan/array_size/array_size.h>
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#include <ccan/err/err.h>
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#include <ccan/pipecmd/pipecmd.h>
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#include <ccan/take/take.h>
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#include <ccan/tal/grab_file/grab_file.h>
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#include <ccan/tal/path/path.h>
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#include <daemon/chaintopology.h>
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#include <daemon/invoice.h>
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#include <daemon/jsonrpc.h>
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#include <daemon/log.h>
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#include <daemon/options.h>
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#include <daemon/routing.h>
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#include <sys/types.h>
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#include <unistd.h>
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#include <utils.h>
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#include <version.h>
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char *bitcoin_datadir;
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#define FIXME_IMPLEMENT() errx(1, "FIXME: Implement %s", __func__)
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/* FIXME: Implement */
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struct invoices *invoices_init(struct lightningd_state *dstate)
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{
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return NULL;
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}
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struct peer *find_peer(struct lightningd_state *dstate, const struct pubkey *id);
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struct peer *find_peer(struct lightningd_state *dstate, const struct pubkey *id)
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{
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FIXME_IMPLEMENT();
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}
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struct json_result *null_response(const tal_t *ctx)
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{
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FIXME_IMPLEMENT();
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}
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void command_success(struct command *cmd, struct json_result *result)
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{
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FIXME_IMPLEMENT();
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}
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void command_fail(struct command *cmd, const char *fmt, ...)
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{
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FIXME_IMPLEMENT();
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}
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size_t get_tx_depth(struct lightningd_state *dstate,
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const struct sha256_double *txid)
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{
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FIXME_IMPLEMENT();
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}
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#include <daemon/packets.h>
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void queue_pkt_nested(struct peer *peer,
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int type,
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const u8 *nested_pkt)
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{
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FIXME_IMPLEMENT();
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}
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static struct lightningd *new_lightningd(const tal_t *ctx)
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{
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struct lightningd *ld = tal(ctx, struct lightningd);
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ld->dstate.log_book = new_log_book(&ld->dstate, 20*1024*1024,LOG_INFORM);
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ld->log = ld->dstate.base_log = new_log(&ld->dstate,
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ld->dstate.log_book,
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"lightningd(%u):",
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(int)getpid());
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list_head_init(&ld->dstate.peers);
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list_head_init(&ld->dstate.pay_commands);
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ld->dstate.portnum = DEFAULT_PORT;
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ld->dstate.testnet = true;
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timers_init(&ld->dstate.timers, time_mono());
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txwatch_hash_init(&ld->dstate.txwatches);
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txowatch_hash_init(&ld->dstate.txowatches);
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list_head_init(&ld->dstate.bitcoin_req);
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list_head_init(&ld->dstate.wallet);
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list_head_init(&ld->dstate.addresses);
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ld->dstate.dev_never_routefail = false;
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ld->dstate.dev_no_broadcast = false;
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ld->dstate.bitcoin_req_running = false;
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ld->dstate.nodes = empty_node_map(&ld->dstate);
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ld->dstate.reexec = NULL;
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ld->dstate.external_ip = NULL;
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ld->dstate.announce = NULL;
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ld->dstate.invoices = invoices_init(&ld->dstate);
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return ld;
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}
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static const char *daemons[] = {
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"lightningd"
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};
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/* Check we can run them, and check their versions */
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static void test_daemons(const struct lightningd *ld)
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{
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size_t i;
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const tal_t *ctx = tal_tmpctx(ld);
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for (i = 0; i < ARRAY_SIZE(daemons); i++) {
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int outfd;
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const char *dpath = path_join(ctx, ld->daemon_dir, daemons[i]);
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const char *verstring;
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pid_t pid = pipecmd(&outfd, NULL, &outfd,
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dpath, "--version", NULL);
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log_debug(ld->dstate.base_log, "testing %s", dpath);
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if (pid == -1)
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err(1, "Could not run %s", dpath);
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verstring = grab_fd(ctx, outfd);
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if (!verstring)
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err(1, "Could not get output from %s", dpath);
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if (!strstarts(verstring, version())
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|| verstring[strlen(version())] != '\n')
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errx(1, "%s: bad version '%s'", daemons[i], verstring);
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}
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tal_free(ctx);
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}
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static const char *find_my_path(const tal_t *ctx, const char *argv0)
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{
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char *me = path_canon(ctx, argv0);
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if (access(me, X_OK) != 0)
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errx(1, "I cannot find myself at %s based on my name %s",
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me, argv0);
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return path_dirname(ctx, take(me));
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}
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int main(int argc, char *argv[])
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{
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struct lightningd *ld = new_lightningd(NULL);
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err_set_progname(argv[0]);
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secp256k1_ctx = secp256k1_context_create(SECP256K1_CONTEXT_VERIFY
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| SECP256K1_CONTEXT_SIGN);
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/* Figure out where we are first. */
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ld->daemon_dir = find_my_path(ld, argv[0]);
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/* Handle options and config; move to .lightningd */
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handle_opts(&ld->dstate, argc, argv);
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/* Activate crash log now we're in the right place. */
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crashlog_activate(ld->log);
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/* Ignore SIGPIPE: we look at our write return values*/
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signal(SIGPIPE, SIG_IGN);
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/* Make sure we can reach other daemons, and versions match. */
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test_daemons(ld);
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/* Mark ourselves live. */
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log_info(ld->log, "Hello world from %s!", version());
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#if 0
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/* Set up HSM. */
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hsm_init(dstate, &dstate->id);
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/* Initialize block topology. */
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setup_topology(dstate);
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/* Load peers from database. */
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db_load_peers(dstate);
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/* Create RPC socket (if any) */
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setup_jsonrpc(dstate, dstate->rpc_filename);
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/* Ready for connections from peers. */
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setup_listeners(dstate);
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for (;;) {
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struct timer *expired;
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void *v = io_loop(&dstate->timers, &expired);
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/* We use io_break(dstate) to shut down. */
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if (v == dstate)
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break;
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if (expired)
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timer_expired(dstate, expired);
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}
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#endif
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tal_free(ld);
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opt_free_table();
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return 0;
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}
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24
lightningd/lightningd.h
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24
lightningd/lightningd.h
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@ -0,0 +1,24 @@
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#ifndef LIGHTNING_LIGHTNINGD_LIGHTNINGD_H
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#define LIGHTNING_LIGHTNINGD_LIGHTNINGD_H
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#include "config.h"
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#include <daemon/lightningd.h>
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/* BOLT #1:
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*
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* The default TCP port is 9735. This corresponds to hexadecimal
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* `0x2607`, the unicode code point for LIGHTNING.
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*/
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#define DEFAULT_PORT 0x2607
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/* FIXME: This is two structures, during the migration from old setup to new */
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struct lightningd {
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/* Must be first, since things assume we can tal() off it */
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struct lightningd_state dstate;
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/* The directory to find all the subdaemons. */
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const char *daemon_dir;
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/* Log for general stuff. */
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struct log *log;
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};
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#endif /* LIGHTNING_LIGHTNINGD_LIGHTNINGD_H */
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