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[porthole] added unmap logic and response

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This commit is contained in:
Geoffrey McRae 2019-11-04 22:05:50 +11:00
parent df9798c819
commit 27c3a93d15
2 changed files with 41 additions and 2 deletions
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2
VERSION
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@ -1 +1 @@
B1-27-g1dfa0ed218+1 B1-28-gdf9798c819+1

41
porthole/src/linux/client.c
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@ -234,9 +234,48 @@ static void * porthole_socket_thread(void * opaque)
break; break;
case PH_MSG_UNMAP: case PH_MSG_UNMAP:
/* TODO: remove the object from intmaps and maps */ {
// notify the application of the unmap
handle->unmap_cb(msg.u.unmap.id); handle->unmap_cb(msg.u.unmap.id);
// remove the PortholeMap object
unsigned int count = objectlist_count(handle->maps);
for(unsigned int i = 0; i < count; ++i)
{
PortholeMap *m = (PortholeMap *)objectlist_at(handle->maps, i);
if (m->id == msg.u.unmap.id)
{
objectlist_remove(handle->maps, i);
break;
}
}
// remove the internal mapping object
count = objectlist_count(handle->intmaps);
for(unsigned int i = 0; i < count; ++i)
{
Mapping *m = (Mapping *)objectlist_at(handle->intmaps, i);
if (m->id == msg.u.unmap.id)
{
objectlist_remove(handle->intmaps, i);
break;
}
}
break; break;
// reply to the guest to allow it to continue
uint32_t reply = PH_MSG_UNMAP;
msghdr.msg_controllen = 0;
io.iov_base = &reply;
io.iov_len = sizeof(reply);
if (sendmsg(handle->socket, &msghdr, 0) < 0)
{
DEBUG_ERROR("Failed to respond to the guest");
if (handle->discon_cb)
handle->discon_cb();
break;
}
}
} }
} }