extern void
SyncInit(struct SyncBaseStruct *bp) {
if (bp != NULL) {
struct ccnr_handle *ccnr = bp->ccnr;
char *here = "Sync.SyncInit";
if (ccnr != NULL) {
// called when there is a Repo that is ready for Sync activity
// TBD: read sync state and restart at the saved commit point
struct SyncPrivate *priv = bp->priv;
bp->debug = ccnr->syncdebug;
int enable = 1;
char *s = getenv("CCNS_ENABLE");
if (s != NULL && s[0] != 0)
enable = strtol(s, NULL, 10);
if (enable <= 0) return;
char *debugStr = getenv("CCNS_DEBUG");
// enable/disable storing of sync tree nodes
// default is to store
priv->useRepoStore = getEnvLimited("CCNS_REPO_STORE", 0, 1, 1);
// enable/disable stable recovery point
// default is to disable recovery, but to calculate stable points
priv->stableEnabled = getEnvLimited("CCNS_STABLE_ENABLED", 0, 1, 1);
// get faux error percent
priv->fauxErrorTrigger = getEnvLimited("CCNS_FAUX_ERROR",
0, 99, 0);
// get private flags for SyncActions
priv->syncActionsPrivate = getEnvLimited("CCNS_ACTIONS_PRIVATE",
0, 255, 3);
// heartbeat rate
priv->heartbeatMicros = getEnvLimited("CCNS_HEARTBEAT_MICROS",
10000, 10*1000000, 200000);
// root advise lifetime
priv->rootAdviseFresh = getEnvLimited("CCNS_ROOT_ADVISE_FRESH",
1, 30, 4);
// root advise lifetime
priv->rootAdviseLifetime = getEnvLimited("CCNS_ROOT_ADVISE_LIFETIME",
1, 30, 20);
// root advise lifetime
priv->fetchLifetime = getEnvLimited("CCNS_NODE_FETCH_LIFETIME",
1, 30, 4);
// max node or content fetches busy per root
priv->maxFetchBusy = getEnvLimited("CCNS_MAX_FETCH_BUSY",
1, 100, 6);
// max number of compares busy
priv->maxComparesBusy = getEnvLimited("CCNS_MAX_COMPARES_BUSY",
1, 100, 4);
if (bp->debug >= CCNL_INFO) {
char temp[1024];
int pos = 0;
pos += snprintf(temp+pos, sizeof(temp)-pos,
"CCNS_ENABLE=%d",
enable);
pos += snprintf(temp+pos, sizeof(temp)-pos,
",CCNS_DEBUG=%s",
debugStr);
pos += snprintf(temp+pos, sizeof(temp)-pos,
",CCNS_REPO_STORE=%d",
priv->useRepoStore);
pos += snprintf(temp+pos, sizeof(temp)-pos,
",CCNS_STABLE_ENABLED=%d",
priv->stableEnabled);
pos += snprintf(temp+pos, sizeof(temp)-pos,
",CCNS_FAUX_ERROR=%d",
priv->fauxErrorTrigger);
pos += snprintf(temp+pos, sizeof(temp)-pos,
",CCNS_ACTIONS_PRIVATE=%d",
priv->syncActionsPrivate);
pos += snprintf(temp+pos, sizeof(temp)-pos,
",CCNS_HEARTBEAT_MICROS=%d",
priv->heartbeatMicros);
pos += snprintf(temp+pos, sizeof(temp)-pos,
",CCNS_ROOT_ADVISE_FRESH=%d",
priv->rootAdviseFresh);
pos += snprintf(temp+pos, sizeof(temp)-pos,
",CCNS_ROOT_ADVISE_LIFETIME=%d",
priv->rootAdviseLifetime);
pos += snprintf(temp+pos, sizeof(temp)-pos,
",CCNS_NODE_FETCH_LIFETIME=%d",
priv->fetchLifetime);
pos += snprintf(temp+pos, sizeof(temp)-pos,
",CCNS_MAX_FETCH_BUSY=%d",
priv->maxFetchBusy);
pos += snprintf(temp+pos, sizeof(temp)-pos,
",CCNS_MAX_COMPARES_BUSY=%d",
priv->maxComparesBusy);
#if (CCN_API_VERSION >= 4004)
pos += snprintf(temp+pos, sizeof(temp)-pos,
",defer_verification=%d",
ccn_defer_verification(bp->ccn, -1));
#endif
ccnr_msg(ccnr, "%s, %s", here, temp);
}
SyncStartHeartbeat(bp);
}
}
}
/**
* Create a new ccnr instance
* @param progname - name of program binary, used for locating helpers
* @param logger - logger function
* @param loggerdata - data to pass to logger function
*/
PUBLIC struct ccnr_handle *
r_init_create(const char *progname, ccnr_logger logger, void *loggerdata)
{
char *sockname = NULL;
const char *portstr = NULL;
const char *listen_on = NULL;
const char *d = NULL;
struct ccnr_handle *h = NULL;
struct hashtb_param param = {0};
struct ccn_charbuf *config = NULL;
int res;
h = calloc(1, sizeof(*h));
if (h == NULL)
return(h);
h->notify_after = 0; //CCNR_MAX_ACCESSION;
h->logger = logger;
h->loggerdata = loggerdata;
h->logpid = (int)getpid();
h->progname = progname;
h->debug = -1;
config = r_init_read_config(h);
if (config == NULL)
goto Bail;
r_init_parse_config(h, config, 0); /* silent pass to pick up CCNR_DEBUG */
h->debug = 1; /* so that we see any complaints */
h->debug = r_init_debug_getenv(h, "CCNR_DEBUG");
res = r_init_parse_config(h, config, 1);
if (res < 0) {
h->running = -1;
goto Bail;
}
r_init_parse_config(h, config, 2);
sockname = r_net_get_local_sockname();
h->skiplinks = ccn_indexbuf_create();
h->face_limit = 10; /* soft limit */
h->fdholder_by_fd = calloc(h->face_limit, sizeof(h->fdholder_by_fd[0]));
param.finalize_data = h;
param.finalize = &r_fwd_finalize_nameprefix;
h->nameprefix_tab = hashtb_create(sizeof(struct nameprefix_entry), ¶m);
param.finalize = 0; // PRUNED &r_fwd_finalize_propagating;
h->propagating_tab = hashtb_create(sizeof(struct propagating_entry), ¶m);
param.finalize = &r_proto_finalize_enum_state;
h->enum_state_tab = hashtb_create(sizeof(struct enum_state), ¶m);
h->min_stale = ~0;
h->max_stale = 0;
h->unsol = ccn_indexbuf_create();
h->ticktock.descr[0] = 'C';
h->ticktock.micros_per_base = 1000000;
h->ticktock.gettime = &r_util_gettime;
h->ticktock.data = h;
h->sched = ccn_schedule_create(h, &h->ticktock);
h->starttime = h->sec;
h->starttime_usec = h->usec;
h->oldformatcontentgrumble = 1;
h->oldformatinterestgrumble = 1;
h->cob_limit = 4201;
h->start_write_scope_limit = r_init_confval(h, "CCNR_START_WRITE_SCOPE_LIMIT", 0, 3, 3);
h->debug = 1; /* so that we see any complaints */
h->debug = r_init_debug_getenv(h, "CCNR_DEBUG");
h->syncdebug = r_init_debug_getenv(h, "CCNS_DEBUG");
portstr = getenv("CCNR_STATUS_PORT");
if (portstr == NULL || portstr[0] == 0 || strlen(portstr) > 10)
portstr = "";
h->portstr = portstr;
ccnr_msg(h, "CCNR_DEBUG=%d CCNR_DIRECTORY=%s CCNR_STATUS_PORT=%s", h->debug, h->directory, h->portstr);
listen_on = getenv("CCNR_LISTEN_ON");
if (listen_on != NULL && listen_on[0] != 0)
ccnr_msg(h, "CCNR_LISTEN_ON=%s", listen_on);
if (ccnr_init_repo_keystore(h, NULL) < 0) {
h->running = -1;
goto Bail;
}
r_util_reseed(h);
r_store_init(h);
if (h->running == -1) goto Bail;
while (h->active_in_fd >= 0) {
r_dispatch_process_input(h, h->active_in_fd);
r_store_trim(h, h->cob_limit);
ccn_schedule_run(h->sched);
}
ccnr_msg(h, "Repository file is indexed");
if (h->face0 == NULL) {
struct fdholder *fdholder;
fdholder = calloc(1, sizeof(*fdholder));
if (dup2(open("/dev/null", O_RDONLY), 0) == -1)
ccnr_msg(h, "stdin: %s", strerror(errno));
fdholder->filedesc = 0;
fdholder->flags = (CCNR_FACE_GG | CCNR_FACE_NORECV);
r_io_enroll_face(h, fdholder);
}
ccnr_direct_client_start(h);
d = getenv("CCNR_SKIP_VERIFY");
#if (CCN_API_VERSION >= 4004)
if (d != NULL && strcmp(d, "1") == 0) {
ccnr_msg(h, "CCNR_SKIP_VERIFY=%s", d);
ccn_defer_verification(h->direct_client, 1);
}
#endif
if (ccn_connect(h->direct_client, NULL) != -1) {
int af = 0;
int bufsize;
int flags;
int fd;
struct fdholder *fdholder;
fd = ccn_get_connection_fd(h->direct_client);
// Play a dirty trick here - if this wins, we can fix it right in the c lib later on...
af = try_tcp_instead(fd);
flags = CCNR_FACE_CCND;
if (af == AF_INET)
flags |= CCNR_FACE_INET;
else if (af == AF_INET6)
flags |= CCNR_FACE_INET6;
else
flags |= CCNR_FACE_LOCAL;
fdholder = r_io_record_fd(h, fd, "CCND", 5, flags);
if (fdholder == NULL) abort();
ccnr_uri_listen(h, h->direct_client, "ccnx:/%C1.M.S.localhost/%C1.M.SRV/repository",
&ccnr_answer_req, OP_SERVICE);
ccnr_uri_listen(h, h->direct_client, "ccnx:/%C1.M.S.neighborhood/%C1.M.SRV/repository",
&ccnr_answer_req, OP_SERVICE);
bufsize = r_init_confval(h, "CCNR_MIN_SEND_BUFSIZE", 1, 2097152, 16384);
establish_min_send_bufsize(h, fd, bufsize);
}
else
ccn_disconnect(h->direct_client); // Apparently ccn_connect error case needs work.
if (1 == r_init_confval(h, "CCNS_ENABLE", 0, 1, 1)) {
h->sync_plumbing = calloc(1, sizeof(struct sync_plumbing));
h->sync_plumbing->ccn = h->direct_client;
h->sync_plumbing->sched = h->sched;
h->sync_plumbing->client_methods = &sync_client_methods;
h->sync_plumbing->client_data = h;
h->sync_base = SyncNewBaseForActions(h->sync_plumbing);
}
if (-1 == load_policy(h))
goto Bail;
r_net_listen_on(h, listen_on);
ccnr_internal_client_start(h);
r_proto_init(h);
r_proto_activate_policy(h, h->parsed_policy);
if (merge_files(h) == -1)
r_init_fail(h, __LINE__, "Unable to merge additional repository data files.", errno);
if (h->running == -1) goto Bail;
if (h->sync_plumbing) {
// Start sync running
// returns < 0 if a failure occurred
// returns 0 if the name updates should fully restart
// returns > 0 if the name updates should restart at last fence
res = h->sync_plumbing->sync_methods->sync_start(h->sync_plumbing, NULL);
if (res < 0) {
r_init_fail(h, __LINE__, "starting sync", res);
abort();
}
else if (res > 0) {
// XXX: need to work out details of starting from last fence.
// By examination of code, SyncActions won't take this path
}
}
Bail:
if (sockname)
free(sockname);
sockname = NULL;
ccn_charbuf_destroy(&config);
if (h->running == -1)
r_init_destroy(&h);
return(h);
}