// whether we have joined the overlay successfully and obtained a HostID
bool
VASTnet::isJoined ()
{
if (_manager->isActive () == false)
return false;
timestamp_t now = this->getTimestamp ();
// if HostID is not yet obtained, and our network is up
if (_manager->getID () == NET_ID_UNASSIGNED)
{
// check if we're considered as an entry point, if so we can determine HostID by self
if (_entries.size () == 0)
{
Addr addr = _manager->getAddress ();
id_t id = _manager->resolveHostID (&addr.publicIP);
// note we need to use registerHostID to modify id instead of directly
registerHostID (id, true);
}
// otherwise, start to contact entry points to obtain ID
else if (now >= _timeout_IDrequest)
{
_timeout_IDrequest = now + (TIMEOUT_ID_REQUEST * this->getTimestampPerSecond ());
// randomly pick an entry point
int i = (rand () % _entries.size ());
id_t target = _manager->resolveHostID (&_entries[i]);
Addr addr (target, &_entries[i]);
storeMapping (addr);
//
// send out ID request message & also detect whether we've public IP
//
// determine our self ID / store to 'addr' temporariliy (for net_emu)
Addr self_addr = _manager->getAddress ();
id_t id = self_addr.host_id;
// create & send ID request message, consists of
// 1) determined hostID and 2) detected IP of the host
Message msg (0);
msg.priority = 0;
msg.store (id);
msg.store (self_addr.publicIP);
sendMessage (target, msg, true, ID_REQUEST);
printf ("VASTnet::isJoined () sending ID_REQUEST to gateway [%llu]\n", target);
}
}
// TODO: also should check if network is still connected (plugged)
return (_manager->getID () != NET_ID_UNASSIGNED);
}
static void U_CALLCONV
normalizationCorrectionsLineFn(void *context,
char *fields[][2], int32_t fieldCount,
UErrorCode *pErrorCode) {
uint32_t mapping[40];
char *end, *s;
uint32_t code;
int32_t length;
UVersionInfo version;
UVersionInfo thisVersion;
/* get the character code, field 0 */
code=(uint32_t)uprv_strtoul(fields[0][0], &end, 16);
if(U_FAILURE(*pErrorCode)) {
fprintf(stderr, "gensprep: error parsing NormalizationCorrections.txt mapping at %s\n", fields[0][0]);
exit(*pErrorCode);
}
/* Original (erroneous) decomposition */
s = fields[1][0];
/* parse the mapping string */
length=u_parseCodePoints(s, mapping, sizeof(mapping)/4, pErrorCode);
/* ignore corrected decomposition */
u_versionFromString(version,fields[3][0] );
u_versionFromString(thisVersion, "3.2.0");
if(U_FAILURE(*pErrorCode)) {
fprintf(stderr, "gensprep error parsing NormalizationCorrections.txt of U+%04lx - %s\n",
(long)code, u_errorName(*pErrorCode));
exit(*pErrorCode);
}
/* store the mapping */
if( version[0] > thisVersion[0] ||
((version[0]==thisVersion[0]) && (version[1] > thisVersion[1]))
){
storeMapping(code,mapping, length, USPREP_MAP, pErrorCode);
}
setUnicodeVersionNC(version);
}
static void U_CALLCONV
strprepProfileLineFn(void *context,
char *fields[][2], int32_t fieldCount,
UErrorCode *pErrorCode) {
uint32_t mapping[40];
char *end, *map;
uint32_t code;
int32_t length;
/*UBool* mapWithNorm = (UBool*) context;*/
const char* typeName;
uint32_t rangeStart=0,rangeEnd =0;
const char* filename = (const char*) context;
const char *s;
s = u_skipWhitespace(fields[0][0]);
if (*s == '@') {
/* special directive */
s++;
length = fields[0][1] - s;
if (length >= NORMALIZE_DIRECTIVE_LEN
&& uprv_strncmp(s, NORMALIZE_DIRECTIVE, NORMALIZE_DIRECTIVE_LEN) == 0) {
options[NORMALIZE].doesOccur = TRUE;
return;
}
else if (length >= CHECK_BIDI_DIRECTIVE_LEN
&& uprv_strncmp(s, CHECK_BIDI_DIRECTIVE, CHECK_BIDI_DIRECTIVE_LEN) == 0) {
options[CHECK_BIDI].doesOccur = TRUE;
return;
}
else {
fprintf(stderr, "gensprep error parsing a directive %s.", fields[0][0]);
}
}
typeName = fields[2][0];
map = fields[1][0];
if(uprv_strstr(typeName, usprepTypeNames[USPREP_UNASSIGNED])!=NULL){
u_parseCodePointRange(s, &rangeStart,&rangeEnd, pErrorCode);
if(U_FAILURE(*pErrorCode)){
fprintf(stderr, "Could not parse code point range. Error: %s\n",u_errorName(*pErrorCode));
return;
}
/* store the range */
storeRange(rangeStart,rangeEnd,USPREP_UNASSIGNED, pErrorCode);
}else if(uprv_strstr(typeName, usprepTypeNames[USPREP_PROHIBITED])!=NULL){
u_parseCodePointRange(s, &rangeStart,&rangeEnd, pErrorCode);
if(U_FAILURE(*pErrorCode)){
fprintf(stderr, "Could not parse code point range. Error: %s\n",u_errorName(*pErrorCode));
return;
}
/* store the range */
storeRange(rangeStart,rangeEnd,USPREP_PROHIBITED, pErrorCode);
}else if(uprv_strstr(typeName, usprepTypeNames[USPREP_MAP])!=NULL){
/* get the character code, field 0 */
code=(uint32_t)uprv_strtoul(s, &end, 16);
if(end<=s || end!=fields[0][1]) {
fprintf(stderr, "gensprep: syntax error in field 0 at %s\n", fields[0][0]);
*pErrorCode=U_PARSE_ERROR;
exit(U_PARSE_ERROR);
}
/* parse the mapping string */
length=u_parseCodePoints(map, mapping, sizeof(mapping)/4, pErrorCode);
/* store the mapping */
storeMapping(code,mapping, length,USPREP_MAP, pErrorCode);
}else{
*pErrorCode = U_INVALID_FORMAT_ERROR;
}
if(U_FAILURE(*pErrorCode)) {
fprintf(stderr, "gensprep error parsing %s line %s at %s. Error: %s\n",filename,
fields[0][0],fields[2][0],u_errorName(*pErrorCode));
exit(*pErrorCode);
}
}