/// Send JSON that we discovered to the CMA - with some caching going on
FSTATIC void
_discovery_sendjson(Discovery* self, ///< Our discovery object
char * jsonout, ///< malloced JSON output - which we free (!)
gsize jsonlen) ///< length of jsonout
{
FrameSet* fs;
CstringFrame* jsf;
IntFrame* intf;
Frame* fsf;
ConfigContext* cfg = self->_config;
NetGSource* io = self->_iosource;
NetAddr* cma;
const char * basename = self->instancename(self);
ConfigContext* jsonobject;
g_return_if_fail(cfg != NULL && io != NULL);
if (NULL == (jsonobject = configcontext_new_JSON_string(jsonout))) {
g_warning("%s.%d: JSON Discovery is not legal JSON [%s]"
, __FUNCTION__, __LINE__, jsonout);
return;
}
g_free(jsonout);
jsonobject->setstring(jsonobject, CONFIGNAME_INSTANCE, basename);
jsonout = jsonobject->baseclass.toString(&jsonobject->baseclass);
jsonlen = strlen(jsonout);
UNREF(jsonobject);
DEBUGMSG2("%s.%d: discovering %s: _sentyet == %d"
, __FUNCTION__, __LINE__, basename, self->_sentyet);
// Primitive caching - don't send what we've already sent.
if (self->_sentyet) {
const char * oldvalue = cfg->getstring(cfg, basename);
if (oldvalue != NULL && strcmp(jsonout, oldvalue) == 0) {
DEBUGMSG2("%s.%d: %s sent this value - don't send again."
, __FUNCTION__, __LINE__, basename);
g_free(jsonout);
return;
}
DEBUGMSG2("%s.%d: %s this value is different from previous value"
, __FUNCTION__, __LINE__, basename);
}
DEBUGMSG2("%s.%d: Sending %"G_GSIZE_FORMAT" bytes of JSON text"
, __FUNCTION__, __LINE__, jsonlen);
cfg->setstring(cfg, basename, jsonout);
cma = cfg->getaddr(cfg, CONFIGNAME_CMADISCOVER);
if (cma == NULL) {
DEBUGMSG2("%s.%d: %s address is unknown - skipping send"
, __FUNCTION__, __LINE__, CONFIGNAME_CMADISCOVER);
g_free(jsonout);
return;
}
self->_sentyet = TRUE;
fs = frameset_new(FRAMESETTYPE_JSDISCOVERY);
intf = intframe_new(FRAMETYPE_WALLCLOCK, 8);
intf->setint(intf, self->starttime);
frameset_append_frame(fs, &intf->baseclass);
UNREF2(intf);
jsf = cstringframe_new(FRAMETYPE_JSDISCOVER, 0);
fsf = &jsf->baseclass; // base class object of jsf
fsf->setvalue(fsf, jsonout, jsonlen+1, frame_default_valuefinalize); // jsonlen is strlen(jsonout)
frameset_append_frame(fs, fsf);
DEBUGMSG2("%s.%d: Sending a %"G_GSIZE_FORMAT" bytes JSON frameset"
, __FUNCTION__, __LINE__, jsonlen);
io->_netio->sendareliablefs(io->_netio, cma, DEFAULT_FSP_QID, fs);
++ self->reportcount;
UNREF(fsf);
UNREF(fs);
}
/// Routine to pretend to be the initial CMA
void
fakecma_startup(AuthListener* auth, FrameSet* ifs, NetAddr* nanoaddr)
{
FrameSet* pkt;
NetGSource* netpkt = auth->baseclass.transport;
char * nanostr = nanoaddr->baseclass.toString(nanoaddr);
GSList* thisgsf;
const char * keyid = NULL;
(void)ifs;
g_message("CMA received startup message from nanoprobe at address %s/%d."
, nanostr, nanoaddr->port(nanoaddr));
g_free(nanostr); nanostr = NULL;
check_JSON(ifs);
netpkt->_netio->addalias(netpkt->_netio, nanoaddr, destaddr);
// Set up our crypto...
cryptframe_set_dest_key_id(nanoaddr, cryptframe_get_signing_key_id());
cryptframe_set_dest_key_id(destaddr, cryptframe_get_signing_key_id());
cryptframe_associate_identity(CMA_IDENTITY_NAME, cryptframe_get_signing_key_id());
cryptframe_set_encryption_method(cryptcurve25519_new_generic);
for (thisgsf = ifs->framelist; thisgsf; thisgsf=thisgsf->next) {
Frame* thisframe = CASTTOCLASS(Frame, thisgsf->data);
if (thisframe->type == FRAMETYPE_KEYID) {
CstringFrame* csf = CASTTOCLASS(CstringFrame, thisframe);
keyid = (const char *)csf->baseclass.value;
}else if (keyid && thisframe->type == FRAMETYPE_PUBKEYCURVE25519) {
cryptcurve25519_save_public_key(keyid, thisframe->value
, thisframe->length);
}
}
// Send the configuration data to our new "client"
pkt = create_setconfig(nanoconfig);
netpkt->_netio->sendareliablefs(netpkt->_netio, nanoaddr, DEFAULT_FSP_QID, pkt);
UNREF(pkt);
// Now tell them to send/expect heartbeats to various places
pkt = create_sendexpecthb(auth->baseclass.config, FRAMESETTYPE_SENDEXPECTHB, destaddr, 1);
netpkt->_netio->sendareliablefs(netpkt->_netio, nanoaddr, DEFAULT_FSP_QID, pkt);
UNREF(pkt);
{
const char * monopjson[] = { START, MONITOR, STOP};
unsigned j;
// Create a frameset for a few resource operations
pkt = frameset_new(FRAMESETTYPE_DORSCOP);
for (j=0; j < DIMOF(monopjson); j++) {
CstringFrame* csf = cstringframe_new(FRAMETYPE_RSCJSON,0);
csf->baseclass.setvalue(&csf->baseclass, g_strdup(monopjson[j])
, strlen(monopjson[j])+1, g_free);
frameset_append_frame(pkt, &csf->baseclass);
UNREF2(csf);
}
netpkt->_netio->sendareliablefs(netpkt->_netio, nanoaddr, DEFAULT_FSP_QID, pkt);
UNREF(pkt);
}
{
const char * discoverjson[] = {SWITCHDISCOVER, ARPDISCOVER};
const char * discoverinstnm[] = {SWINSTNM, ARPINSTNM};
unsigned j;
// Create a frameset for a few discovery operations
pkt = frameset_new(FRAMESETTYPE_DODISCOVER);
for (j=0; j < DIMOF(discoverjson); j++) {
CstringFrame* csf = cstringframe_new(FRAMETYPE_DISCJSON,0);
CstringFrame* inst = cstringframe_new(FRAMETYPE_DISCNAME,0);
fprintf(stderr, "Creating discovery frameset: %s: %s\n"
, discoverinstnm[j]
, discoverjson[j]);
inst->baseclass.setvalue(&inst->baseclass, g_strdup(discoverjson[j])
, strlen(discoverjson[j])+1, g_free);
frameset_append_frame(pkt, &inst->baseclass);
UNREF2(inst);
csf->baseclass.setvalue(&csf->baseclass, g_strdup(discoverjson[j])
, strlen(discoverjson[j])+1, g_free);
frameset_append_frame(pkt, &csf->baseclass);
UNREF2(csf);
}
netpkt->_netio->sendareliablefs(netpkt->_netio, nanoaddr, DEFAULT_FSP_QID, pkt);
UNREF(pkt);
}
pkt = frameset_new(FRAMESETTYPE_ACKSTARTUP);
netpkt->_netio->sendareliablefs(netpkt->_netio, nanoaddr, DEFAULT_FSP_QID, pkt);
UNREF(pkt);
g_info("ACKSTARTUP packet queued to send");
}
