X-Git-Url: http://xvm.mit.edu/gitweb/invirt/third/libt4.git/blobdiff_plain/c9be386a30dc7145ac757fae66c255b21da26d5d..e478ac59e66e89cbc174e781ac715c8644539947:/config.cc diff --git a/config.cc b/config.cc index 038a100..727277e 100644 --- a/config.cc +++ b/config.cc @@ -73,7 +73,7 @@ void config::reconstruct(lock &cfg_mutex_lock) { my_view_id = paxos.instance(); if (my_view_id > 0) { get_view(my_view_id, mems, cfg_mutex_lock); - LOG("config::reconstruct: " << my_view_id << " " << mems); + LOG("view " << my_view_id << " " << mems); } } @@ -82,12 +82,12 @@ void config::paxos_commit(unsigned instance, const string &value) { lock cfg_mutex_lock(cfg_mutex); vector newmem = members(value); - LOG("config::paxos_commit: " << instance << ": " << newmem); + LOG("instance " << instance << ": " << newmem); for (auto mem : mems) { - LOG("config::paxos_commit: is " << mem << " still a member?"); + LOG("is " << mem << " still a member?"); if (!isamember(mem, newmem) && me != mem) { - LOG("config::paxos_commit: delete " << mem); + LOG("delete " << mem); invalidate_handle(mem); } } @@ -115,11 +115,12 @@ bool config::add(const string &new_m, unsigned vid) { LOG("that's not my view id, " << my_view_id << "!"); return false; } - vector m = mems; + LOG("calling down to paxos layer"); + vector m(mems), cmems(mems); m.push_back(new_m); - vector cmems = mems; + LOG("old mems " << cmems << " " << value(cmems)); + LOG("new mems " << m << " " << value(m)); unsigned nextvid = my_view_id + 1; - LOG("calling down to paxos layer"); cfg_mutex_lock.unlock(); bool r = paxos.run(nextvid, cmems, value(m)); cfg_mutex_lock.lock(); @@ -129,7 +130,7 @@ bool config::add(const string &new_m, unsigned vid) { // caller should hold cfg_mutex bool config::remove(const string &m, lock &cfg_mutex_lock) { - LOG("config::remove: my_view_id " << my_view_id << " remove? " << m); + LOG("my_view_id " << my_view_id << " remove? " << m); vector n; for (auto mem : mems) { if (mem != m) @@ -140,7 +141,7 @@ bool config::remove(const string &m, lock &cfg_mutex_lock) { cfg_mutex_lock.unlock(); bool r = paxos.run(nextvid, cmems, value(n)); cfg_mutex_lock.lock(); - LOG("config::remove: proposer returned " << (r ? "success" : "failure")); + LOG("proposer returned " << (r ? "success" : "failure")); return r; } @@ -149,16 +150,16 @@ void config::heartbeater() [[noreturn]] { while (1) { auto next_timeout = steady_clock::now() + seconds(3); - LOG("heartbeater: go to sleep"); + LOG("go to sleep"); config_cond.wait_until(cfg_mutex_lock, next_timeout); unsigned vid = my_view_id; vector cmems; get_view(vid, cmems, cfg_mutex_lock); - LOG("heartbeater: current membership " << cmems); + LOG("current membership " << cmems); if (!isamember(me, cmems)) { - LOG("heartbeater: not member yet; skip hearbeat"); + LOG("not member yet; skip hearbeat"); continue; } @@ -197,7 +198,7 @@ paxos_protocol::status config::heartbeat(int &r, string m, unsigned vid) { config::heartbeat_t config::doheartbeat(const string &m, lock &cfg_mutex_lock) { unsigned vid = my_view_id; - LOG("doheartbeater to " << m << " (" << vid << ")"); + LOG("heartbeat to " << m << " (" << vid << ")"); handle h(m); cfg_mutex_lock.unlock(); @@ -215,9 +216,9 @@ config::heartbeat_t config::doheartbeat(const string &m, lock &cfg_mutex_lock) { invalidate_handle(m); break; default: - LOG("doheartbeat: problem with " << m << " (" << ret << ") my vid " << vid << " his vid " << r); + LOG("problem with " << m << " (" << ret << ") my vid " << vid << " his vid " << r); res = (ret < 0) ? FAILURE : VIEWERR; } - LOG("doheartbeat done " << res); + LOG("done " << res); return res; }