void
SingleSendBuffer::retain_all(RepoId pub_id)
{
if (Transport_debug_level > 5) {
GuidConverter converter(pub_id);
ACE_DEBUG((LM_DEBUG,
ACE_TEXT("(%P|%t) SingleSendBuffer::retain_all() - ")
ACE_TEXT("copying out blocks for publication: %C\n"),
OPENDDS_STRING(converter).c_str()
));
}
for (BufferMap::iterator it(this->buffers_.begin());
it != this->buffers_.end();) {
if (it->second.first && it->second.second) {
if (retain_buffer(pub_id, it->second) == REMOVE_ERROR) {
GuidConverter converter(pub_id);
ACE_ERROR((LM_WARNING,
ACE_TEXT("(%P|%t) WARNING: ")
ACE_TEXT("SingleSendBuffer::retain_all: ")
ACE_TEXT("failed to retain data from publication: %C!\n"),
OPENDDS_STRING(converter).c_str()));
release(it++);
} else {
++it;
}
} else {
const FragmentMap::iterator fm_it = fragments_.find(it->first);
if (fm_it != fragments_.end()) {
for (BufferMap::iterator bm_it = fm_it->second.begin();
bm_it != fm_it->second.end();) {
if (retain_buffer(pub_id, bm_it->second) == REMOVE_ERROR) {
GuidConverter converter(pub_id);
ACE_ERROR((LM_WARNING,
ACE_TEXT("(%P|%t) WARNING: ")
ACE_TEXT("SingleSendBuffer::retain_all: failed to ")
ACE_TEXT("retain fragment data from publication: %C!\n"),
OPENDDS_STRING(converter).c_str()));
release(bm_it++);
} else {
++bm_it;
}
}
}
++it;
}
}
}
// ------------------------------------------------
// Function: icmp_parse()
// ------------------------------------------------
// Input: Message buffer
// Output: -
// ------------------------------------------------
// Description: Parse a ICMP message
// ------------------------------------------------
void icmp_parse(PPBUF pbuf)
{
// ---------------------
// checksum verification
// ---------------------
icmp_checksum(pbuf->data, pbuf->size);
if(chk_H != 0xff) return;
if(chk_L != 0xff) return;
// -------------------------------
// checks recognized message types
// -------------------------------
switch(ICMP(pbuf->data)->type) {
case PING_REQUEST:
// ---------
// answer it
// ---------
retain_buffer(pbuf);
ip_answer(pbuf);
ICMP(pbuf->data)->type = PING_REPLY;
// ---------------
// update checksum
// ---------------
ICMP(pbuf->data)->checksum = 0;
icmp_checksum(pbuf->data, pbuf->size);
ICMP(pbuf->data)->checksum = HTONS(~WORDOF(chk_H, chk_L));
// ----------------------------
// sends answer to IP interface
// ----------------------------
ip_send(pbuf);
release_buffer(pbuf);
break;
case PING_REPLY:
// --------------------------------------
// answer received, signal waiting thread
// --------------------------------------
os_signal(SIG_ICMP);
break;
}
}
