value_table_t HREcreateTable(hre_context_t ctx,const char* name){
if (HREpeers(ctx)==1) return chunk_table_create(ctx,(char*)name);
value_table_t vt=VTcreateBase((char*)name,sizeof(struct value_table_s));
VTdestroySet(vt,destroy);
VTputChunkSet(vt,put_chunk);
VTputAtChunkSet(vt,put_at_chunk);
VTgetChunkSet(vt,get_chunk);
VTgetCountSet(vt,get_count);
vt->index=SIcreate();
vt->ctx=ctx;
vt->msg_pending=0;
uint32_t request_tag=HREactionCreate(ctx,1,CHUNK_BUFFER_SIZE,request_action,vt);
uint32_t answer_tag=HREactionCreate(ctx,0,CHUNK_BUFFER_SIZE,answer_action,vt);
vt->msg=HREnewMessage(ctx,CHUNK_BUFFER_SIZE);
if (HREme(ctx)==0){
vt->msg->tag=answer_tag;
vt->msg->comm=0;
} else {
vt->msg->tag=request_tag;
vt->msg->comm=1;
}
vt->msg->source=HREme(ctx);
vt->msg->target=0;
vt->msg->ready=hre_ready_decr;
vt->msg->ready_ctx=&vt->msg_pending;
HREbarrier(ctx);
return vt;
}
void TQwhile(hre_task_queue_t queue,int*condition){
if (HREpeers(queue->ctx)==1 && (*condition)) {
Abort("deadlock detected");
}
queue->mode=Immediate;
TaskFlush(queue);
HREyieldWhile(queue->ctx,condition);
queue->mode=Lazy;
}
void lts_file_sync(lts_file_t lts){
lts=SYSTEM(lts);
int peers=HREpeers(lts->ctx);
HREreduce(lts->ctx,1,<s->roots,<s->roots,UInt32,Sum);
HREreduce(lts->ctx,peers,lts->states,lts->states,UInt32,Sum);
HREreduce(lts->ctx,peers,lts->edges,lts->edges,UInt64,Sum);
HREreduce(lts->ctx,peers,lts->max_src_p1,lts->max_src_p1,UInt32,Max);
HREreduce(lts->ctx,peers,lts->max_dst_p1,lts->max_dst_p1,UInt32,Max);
}
static void* thread_main(void*arg){
hre_context_t context=(hre_context_t)arg;
HREprocessSet(context);
HREglobalSet(context);
set_label("%s(%2d/%2d)",HREappName(),HREme(context),HREpeers(context));
Debug("calling main...");
int argc=1;
char *argv[2]={strdup(HREpathName()),NULL};
main(argc,argv);
return NULL;
}
static void TaskFlush(hre_task_queue_t queue){
int max=array_size(queue->man);
int pos;
int peers=HREpeers(queue->ctx);
for(pos=0;pos<max;pos++) if (queue->task[pos]) {
for(int i=0;i<peers;i++){
if (queue->task[pos]->msg[i] && queue->task[pos]->msg[i]->tail){
TaskSend(queue->task[pos],i);
}
}
}
}
int main(int argc, char *argv[]){
char* files[2];
HREinitBegin(argv[0]);
HREaddOptions(options,"Tool for transforming labeled transition systems\n\nOptions");
lts_lib_setup();
HREinitStart(&argc,&argv,1,2,files,"<input> [<output>]");
int me=HREme(HREglobal());
int peers=HREpeers(HREglobal());
if (peers>1) Abort("parallelizing this tool is future work");(void)me;
string_set_t label_set=NULL;
if (label_filter!=NULL){
label_set=SSMcreateSWPset(label_filter);
}
switch(task){
case Undefined:
Abort("task unspecified");
case LTScopy:
if (files[1]==NULL) Abort("second argument required for copy.");
Print(infoShort,"streaming copy from %s to %s",files[0],files[1]);
lts_file_t in=lts_file_open(files[0]);
lts_type_t ltstype=lts_file_get_type(in);
rd_seg=lts_file_get_segments(in);
if (wr_seg==0) {
wr_seg=rd_seg;
} else {
Abort("on-the-fly changing the number of segments is future work");
}
lts_file_t out;
if (label_set==NULL){
out=lts_file_create(files[1],ltstype,wr_seg,in);
} else {
out=lts_file_create_filter(files[1],ltstype,label_set,wr_seg,in);
}
int N=lts_type_get_type_count(ltstype);
for(int i=0;i<N;i++){
char*name=lts_type_get_type(ltstype,i);
switch(lts_type_get_format(ltstype,i)){
case LTStypeDirect:
case LTStypeRange:
Debug("integer type %s does not use tables",name);
break;
case LTStypeChunk:
case LTStypeEnum:
Debug("creating table for type %s",name);
value_table_t tmp=chunk_table_create(NULL,name);
Debug("set in %s",name);
lts_file_set_table(in,i,tmp);
Debug("set out %s",name);
lts_file_set_table(out,i,tmp);
break;
}
}
lts_file_copy(in,out);
lts_file_close(out);
lts_file_close(in);
break;
case LTSrdwr:
if (files[1]==NULL) Abort("second argument required for rdwr.");
Print(infoShort,"loading from %s",files[0]);
lts_t lts=lts_create();
lts_read(files[0],lts);
if (encode) {
Print(infoShort,"single edge label encoding");
lts=lts_encode_edge(lts);
}
if (bfs_reorder) {
Print(infoShort,"reindexing LTS in BFS order");
lts_bfs_reorder(lts);
}
Print(infoShort,"storing in %s",files[1]);
if(wr_seg==0) wr_seg=1;
lts_write(files[1],lts,label_set,wr_seg);
break;
case LTSindex:{
if (peers>1) Abort("parallelizing this tool is future work");
if (files[1]==NULL) Abort("second argument required for index.");
Print(infoShort,"opening %s",files[0]);
lts_file_t in=lts_file_open(files[0]);
lts_type_t ltstype=lts_file_get_type(in);
int segments=lts_file_get_segments(in);
lts_file_t settings=lts_get_template(in);
if (lts_file_get_edge_owner(settings)!=SourceOwned) Abort("bad edge owner");
lts_file_set_dest_mode(settings,Index);
lts_file_set_init_mode(settings,Index);
Print(infoShort,"creating %s",files[1]);
lts_file_t out=lts_file_create(files[1],ltstype,segments,settings);
int N=lts_type_get_type_count(ltstype);
for(int i=0;i<N;i++){
char*name=lts_type_get_type(ltstype,i);
switch(lts_type_get_format(ltstype,i)){
case LTStypeDirect:
case LTStypeRange:
Debug("integer type %s does not use tables",name);
break;
case LTStypeChunk:
case LTStypeEnum:
Debug("creating table for type %s",name);
value_table_t tmp=chunk_table_create(NULL,name);
Debug("set in %s",name);
lts_file_set_table(in,i,tmp);
Debug("set out %s",name);
lts_file_set_table(out,i,tmp);
break;
}
}
treedbs_t db[segments];
int SV=lts_type_get_state_length(ltstype);
int SL=lts_type_get_state_label_count(ltstype);
int K=lts_type_get_edge_label_count(ltstype);
for(int i=0;i<segments;i++){
Print(info,"loading and copying states of segment %d",i);
uint32_t state[SV];
uint32_t label[SL];
db[i]=TreeDBScreate(SV);
int idx=0;
while(lts_read_state(in,&i,state,label)){
int tmp=TreeFold(db[i],(int*)state);
if (idx!=tmp){
Abort("unexpected index %u != %u",tmp,idx);
}
idx++;
lts_write_state(out,i,(int*)state,label);
}
}
Print(info,"converting initial states");
{
uint32_t seg;
uint32_t state[SV];
while(lts_read_init(in,(int*)&seg,state)){
int idx=TreeFold(db[seg],(int*)state);
lts_write_init(out,seg,&idx);
}
}
for(int i=0;i<segments;i++){
Print(info,"converting edges of segment %d",i);
uint32_t src_state[1];
uint32_t dst_seg;
uint32_t dst_state[SV];
uint32_t label[K];
while(lts_read_edge(in,&i,src_state,(int*)&dst_seg,dst_state,label)){
int idx=TreeFold(db[dst_seg],(int*)dst_state);
lts_write_edge(out,i,src_state,dst_seg,&idx,label);
}
}
lts_file_close(out);
lts_file_close(in);
}
}
Print(infoShort,"done");
HREexit(LTSMIN_EXIT_SUCCESS);
}
int TQwait(hre_task_queue_t queue){
if (HREpeers(queue->ctx)==1) return 0;
Debug("enter wait");
queue->wait_cancelled=0;
queue->status=Dirty;
queue->mode=Immediate;
TaskFlush(queue);
struct term_msg* msg_in=&queue->term_in;
struct term_msg* msg_out=(struct term_msg*)queue->msg->buffer;
if (HREme(queue->ctx)==0) {
queue->status=Dirty;
int round=0;
while(queue->status!=Terminated) {
queue->wait_pending=queue->recv_pending;
HREyieldWhile(queue->ctx,&queue->wait_pending);
if (queue->wait_cancelled){
Debug("wait cancelled 1");
queue->status=Active;
queue->mode=Lazy;
return 1; // wait has been cancelled.
}
switch(queue->status){
case Idle:
case Dirty:
if (msg_in->status==Terminated){
msg_in->status=Dirty;
queue->status=Terminated;
break;
}
if (queue->send_pending) {
HREyieldWhile(queue->ctx,&queue->send_pending);
if (queue->wait_cancelled){
Debug("wait cancelled 2");
queue->status=Active;
queue->mode=Lazy;
return 1; // wait has been cancelled.
}
}
if (queue->status==Idle && msg_in->status==Idle && msg_in->sent==msg_in->recv){
msg_out->status=Terminated;
Debug("termination detected in %d rounds",round);
queue->send_pending=1;
queue->recv_pending=1;
HREpostSend(queue->msg);
break;
}
queue->status=Idle;
msg_out->status=Idle;
msg_out->sent=queue->sent;
msg_out->recv=queue->recv;
queue->status=Idle;
round++;
Debug("starting detection round %d",round);
queue->send_pending=1;
queue->recv_pending=1;
HREpostSend(queue->msg);
break;
case Active:
Abort("should not be active in this loop")
case Terminated:
Abort("should not be terminated in this loop")
default:
Abort("missing case");
}
}
queue->status=Active;
} else {
int lts_file_owned(lts_file_t lts,int nth){
int me=HREme(SYSTEM(lts)->ctx);
int peers=HREpeers(SYSTEM(lts)->ctx);
return me+peers*nth;
}
int lts_file_owned_count(lts_file_t lts){
int me=HREme(SYSTEM(lts)->ctx);
int peers=HREpeers(SYSTEM(lts)->ctx);
int N=SYSTEM(lts)->segments;
return (N+peers-me-1)/peers;
}
}
int SLTSsegmentNumber(seg_lts_t lts){
return lts->seg_no;
}
hre_task_queue_t SLTSgetQueue(seg_lts_t lts){
return lts->task_queue;
}
seg_lts_t SLTScreate(lts_type_t signature,hre_task_queue_t task_queue,seg_lts_layout_t layout){
seg_lts_t lts=RT_NEW(struct seg_lts_s);
lts->sig=signature;
lts->task_queue=task_queue;
lts->seg_no=HREme(TQcontext(task_queue));
lts->seg_count=HREpeers(TQcontext(task_queue));
lts->state_length=lts_type_get_state_length(signature);
lts->state_labels=lts_type_get_state_label_count(signature);
lts->edge_labels=lts_type_get_edge_label_count(signature);
lts->layout=layout;
lts->vt_count=lts_type_get_type_count(signature);
lts->vt=RTmalloc(lts->vt_count*sizeof(value_table_t));
for(int i=0;i<lts->vt_count;i++) {
char *type_name=lts_type_get_type(signature,i);
lts->vt[i]=HREcreateTable(TQcontext(task_queue),type_name);
}
return lts;
}
int SLTSstateCount(seg_lts_t lts){
return lts->state_count;
