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New messages bump the conversation to the top

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This commit is contained in:
Jeremy Lakeman 2014-10-27 11:08:02 +10:30
parent bcd9575b54
commit 1848493468
3 changed files with 114 additions and 104 deletions
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137
meshms.c
View File

@ -38,12 +38,10 @@ static unsigned mark_read(struct meshms_conversations *conv, const sid_t *their_
void meshms_free_conversations(struct meshms_conversations *conv)
{
if (conv) {
if (conv->_parent && conv != conv->_parent->_left && conv != conv->_parent->_right)
WHYF("deformed MeshMS conversation tree");
meshms_free_conversations(conv->_left);
meshms_free_conversations(conv->_right);
free(conv);
while(conv){
struct meshms_conversations *n = conv;
conv = conv->_next;
free(n);
}
}
@ -92,22 +90,19 @@ static enum meshms_status get_my_conversation_bundle(const sid_t *my_sidp, rhizo
static struct meshms_conversations *add_conv(struct meshms_conversations **conv, const sid_t *them)
{
struct meshms_conversations **ptr = conv;
struct meshms_conversations *parent = NULL;
while (*ptr) {
int cmp = cmp_sid_t(&(*ptr)->them, them);
if (cmp == 0)
break;
parent = *ptr;
if (cmp < 0)
ptr = &(*ptr)->_left;
else
ptr = &(*ptr)->_right;
}
if (*ptr == NULL && (*ptr = emalloc_zero(sizeof(struct meshms_conversations))) != NULL) {
(*ptr)->_parent = parent;
(*ptr)->them = *them;
}
return *ptr;
ptr=&(*ptr)->_next;
}
struct meshms_conversations *n = emalloc_zero(sizeof(struct meshms_conversations));
if (n){
n->them = *them;
n->_next = *conv;
*conv = n;
}
return n;
}
// find matching conversations
@ -511,25 +506,28 @@ end:
}
// update conversations, and return MESHMS_STATUS_UPDATED if the conversation index should be saved
static enum meshms_status update_conversations(const sid_t *my_sid, struct meshms_conversations *conv)
static enum meshms_status update_conversations(const sid_t *my_sid, struct meshms_conversations **conv)
{
enum meshms_status rstatus = MESHMS_STATUS_OK;
if (conv) {
struct meshms_conversations **ptr = conv;
while (*ptr) {
struct meshms_conversations *n = *ptr;
if (n->their_size != n->their_ply.size) {
enum meshms_status status;
if (meshms_failed(status = update_conversations(my_sid, conv->_left)))
if (meshms_failed(status = update_conversation(my_sid, n)))
return status;
if (status == MESHMS_STATUS_UPDATED)
rstatus = MESHMS_STATUS_UPDATED;
if (conv->their_size != conv->their_ply.size) {
if (meshms_failed(status = update_conversation(my_sid, conv)))
return status;
if (status == MESHMS_STATUS_UPDATED)
if (status == MESHMS_STATUS_UPDATED){
rstatus = MESHMS_STATUS_UPDATED;
if (config.debug.meshms)
DEBUGF("Bumping conversation from %s", alloca_tohex_sid_t(n->them));
// bump to head of list
*ptr = n->_next;
n->_next = *conv;
*conv = n;
continue;
}
if (meshms_failed(status = update_conversations(my_sid, conv->_right)))
return status;
if (status == MESHMS_STATUS_UPDATED)
rstatus = MESHMS_STATUS_UPDATED;
}
ptr = &(*ptr)->_next;
}
return rstatus;
}
@ -541,6 +539,7 @@ static enum meshms_status read_known_conversations(rhizome_manifest *m, const si
if (m->haveSecret==NEW_BUNDLE_ID)
return MESHMS_STATUS_OK;
struct meshms_conversations **ptr = conv;
struct rhizome_read read;
bzero(&read, sizeof(read));
struct rhizome_read_buffer buff;
@ -563,6 +562,7 @@ static enum meshms_status read_known_conversations(rhizome_manifest *m, const si
WARNF("Expected version 1 (got 0x%02x)", version);
goto fault;
}
while (1) {
sid_t sid;
r = rhizome_read_buffered(&read, &buff, sid.binary, sizeof sid.binary);
@ -605,12 +605,17 @@ static enum meshms_status read_known_conversations(rhizome_manifest *m, const si
if (their_sid && cmp_sid_t(&sid, their_sid) != 0)
continue;
struct meshms_conversations *ptr = add_conv(conv, &sid);
if (!ptr)
struct meshms_conversations *n = emalloc_zero(sizeof(struct meshms_conversations));
if (!n)
goto end;
ptr->their_last_message = last_message;
ptr->read_offset = read_offset;
ptr->their_size = their_size;
*ptr = n;
ptr = &n->_next;
n->them = sid;
n->their_last_message = last_message;
n->read_offset = read_offset;
n->their_size = their_size;
}
fault:
status = MESHMS_STATUS_PROTOCOL_FAULT;
@ -622,9 +627,6 @@ end:
static ssize_t write_conversation(struct rhizome_write *write, struct meshms_conversations *conv)
{
size_t len=0;
if (!conv)
return len;
{
unsigned char buffer[sizeof(conv->them) + (8*3)];
if (write)
bcopy(conv->them.binary, buffer, sizeof(conv->them));
@ -648,16 +650,19 @@ static ssize_t write_conversation(struct rhizome_write *write, struct meshms_con
conv->read_offset,
conv->their_size,
len);
return len;
}
static ssize_t write_conversations(struct rhizome_write *write, struct meshms_conversations *conv)
{
ssize_t len=0;
while(conv){
ssize_t this_len = write_conversation(write, conv);
if (this_len==-1)
return this_len;
len+=this_len;
conv = conv->_next;
}
// write the two child nodes
ssize_t ret = write_conversation(write, conv->_left);
if (ret == -1)
return ret;
len += (size_t) ret;
ret = write_conversation(write, conv->_right);
if (ret == -1)
return ret;
len += (size_t) ret;
return len;
}
@ -672,7 +677,7 @@ static enum meshms_status write_known_conversations(rhizome_manifest *m, struct
// TODO rebalance tree...
// measure the final payload first
ssize_t len=write_conversation(NULL, conv);
ssize_t len=write_conversations(NULL, conv);
if (len == -1)
goto end;
@ -689,7 +694,7 @@ static enum meshms_status write_known_conversations(rhizome_manifest *m, struct
unsigned char version=1;
if (rhizome_write_buffer(&write, &version, 1) == -1)
goto end;
if (write_conversation(&write, conv) == -1)
if (write_conversations(&write, conv) == -1)
goto end;
pstatus = rhizome_finish_write(&write);
if (pstatus != RHIZOME_PAYLOAD_STATUS_NEW)
@ -748,7 +753,7 @@ enum meshms_status meshms_conversations_list(const sid_t *my_sid, const sid_t *t
goto end;
if (meshms_failed(status = get_database_conversations(my_sid, their_sid, conv)))
goto end;
if ((status = update_conversations(my_sid, *conv)) == MESHMS_STATUS_UPDATED && their_sid == NULL)
if ((status = update_conversations(my_sid, conv)) == MESHMS_STATUS_UPDATED && their_sid == NULL)
status = write_known_conversations(m, *conv);
end:
rhizome_manifest_free(m);
@ -763,11 +768,7 @@ end:
*/
void meshms_conversation_iterator_start(struct meshms_conversation_iterator *it, struct meshms_conversations *conv)
{
assert(conv->_parent == NULL); // can only iterate over whole tree
it->current = conv;
// infix traversal; descend to the leftmost leaf and start there
while (it->current->_left)
it->current = it->current->_left;
}
/* Advance to the next conversation in the tree.
@ -777,20 +778,7 @@ void meshms_conversation_iterator_start(struct meshms_conversation_iterator *it,
void meshms_conversation_iterator_advance(struct meshms_conversation_iterator *it)
{
assert(it->current != NULL); // do not call on a finished iterator
if (it->current->_right) {
it->current = it->current->_right;
while (it->current->_left)
it->current = it->current->_left;
}
else {
while (1) {
struct meshms_conversations *conv = it->current;
it->current = it->current->_parent;
if (it->current == NULL || conv == it->current->_left)
break;
assert(conv == it->current->_right);
}
}
it->current = it->current->_next;
}
enum meshms_status meshms_message_iterator_open(struct meshms_message_iterator *iter, const sid_t *me, const sid_t *them)
@ -1007,7 +995,7 @@ enum meshms_status meshms_mark_read(const sid_t *sender, const sid_t *recipient,
goto end;
// check if any incoming conversations need to be acked or have new messages and update the read offset
unsigned changed = 0;
if (meshms_failed(status = update_conversations(sender, conv)))
if (meshms_failed(status = update_conversations(sender, &conv)))
goto end;
if (status == MESHMS_STATUS_UPDATED)
changed = 1;
@ -1220,10 +1208,8 @@ static int app_meshms_list_messages(const struct cli_parsed *parsed, struct cli_
static unsigned mark_read(struct meshms_conversations *conv, const sid_t *their_sid, const uint64_t offset)
{
unsigned ret=0;
if (conv){
while (conv){
int cmp = their_sid ? cmp_sid_t(&conv->them, their_sid) : 0;
if (!their_sid || cmp<0)
ret += mark_read(conv->_left, their_sid, offset);
if (!their_sid || cmp==0){
// update read offset
// - never past their last message
@ -1238,9 +1224,10 @@ static unsigned mark_read(struct meshms_conversations *conv, const sid_t *their_
conv->read_offset = new_offset;
ret++;
}
if (their_sid)
break;
}
if (!their_sid || cmp>0)
ret += mark_read(conv->_right, their_sid, offset);
conv = conv->_next;
}
return ret;
}

7
meshms.h
View File

@ -58,12 +58,7 @@ struct meshms_ply {
};
struct meshms_conversations {
// binary tree
struct meshms_conversations *_left;
struct meshms_conversations *_right;
// keeping a pointer to parent node here means the traversal iterator does not need a stack, so
// there is no fixed limit on the tree depth
struct meshms_conversations *_parent;
struct meshms_conversations *_next;
// who are we talking to?
sid_t them;

28
tests/meshms
View File

@ -165,6 +165,34 @@ test_MessageThreading() {
assertStdoutLineCount '==' 7
}
doc_reorderList="New incoming messages force the conversation to the top"
setup_reorderList() {
setup_servald
set_instance +A
create_identities 5
setup_logging
}
test_reorderList() {
# new incoming messages should bump to the top
executeOk_servald meshms send message $SIDA4 $SIDA1 "Bump"
executeOk_servald meshms list conversations $SIDA1
assertStdoutGrep --stderr --matches=1 "^0:$SIDA4:unread:"
executeOk_servald meshms send message $SIDA3 $SIDA1 "Bump"
executeOk_servald meshms list conversations $SIDA1
assertStdoutGrep --stderr --matches=1 "^0:$SIDA3:unread:"
assertStdoutGrep --stderr --matches=1 "^1:$SIDA4:unread:"
executeOk_servald meshms send message $SIDA2 $SIDA1 "Bump"
executeOk_servald meshms list conversations $SIDA1
assertStdoutGrep --stderr --matches=1 "^0:$SIDA2:unread:"
assertStdoutGrep --stderr --matches=1 "^1:$SIDA3:unread:"
assertStdoutGrep --stderr --matches=1 "^2:$SIDA4:unread:"
executeOk_servald meshms send message $SIDA4 $SIDA1 "Bump"
executeOk_servald meshms list conversations $SIDA1
assertStdoutGrep --stderr --matches=1 "^0:$SIDA4:unread:"
assertStdoutGrep --stderr --matches=1 "^1:$SIDA2:unread:"
assertStdoutGrep --stderr --matches=1 "^2:$SIDA3:unread:"
}
doc_listConversations="List multiple conversations, with different numbers of messages"
setup_listConversations() {
setup_servald