vyzo e4c76cf7cd Network Resource Manager interface (#229) ... * add resource manager interfaces * add scope accessors to streams and conns * add ResourceManager accessor to the Network interface * allow initially unattached streams. * introduce service scopes, canonicalize ownership interface through setters * make system scope explicit * make memory stat an int64 * make the system scope a generic resource scope, introduce the DMZ * fix typo Co-authored-by: Marten Seemann <martenseemann@gmail.com> * fix typo Co-authored-by: Marten Seemann <martenseemann@gmail.com> * rename DMZ to transient scope, remove OpenConnection from PeerScope * remove ncopy param from GrowBuffer * remove protocols from OpenStream The stream is unnegotiated state until the actual protocol has been determined. * document nil receiver contract, fix protocol scope protocol accessor method * remove nil receiver contract requirement * flesh out stat struct * turn resource manager scope accessors into viewers * interface refiniments 1. Introduce transactions in all scopes 2. Limit the view of stream/connection scope for users, to avoid the Done footgun 3. Move OpenStream to the resource manager * add Buffer interface * fix typo Co-authored-by: Marten Seemann <martenseemann@gmail.com> * fix typo Co-authored-by: Marten Seemann <martenseemann@gmail.com> * fix typo Co-authored-by: Marten Seemann <martenseemann@gmail.com> * rename user scopes to plain names, management scopes as such * rename BeginTxn to BeginTransaction * RIP Buffers * make ErrResourceLimitExceeded a temporary error; move rcmgr errors with the other errors. * unexport TemporaryError * null resource manager stub * unexport the null stubs, make entry point a variable * don't rely on typed nils but instead use actual null object instances So that we don't confuse the hell out of everyone! * add Scope to the CapableConn interface * rename ConnectionScope to ConnScope for consistency * fix typo * rename ConnectionManagementScope to ConnManagementScope * add the ConnManagementScope to Upgrader.Upgrade * fix argument name * godocs for ResourceManager * introduce MemoryStatus indicator in ReserveMemory * use uint8 for MemoryStatus Co-authored-by: Marten Seemann <martenseemann@gmail.com> * rework reservation interface to pass priority instead of returning memory status so that we don't have to undo reservations if there is too much pressure. * improve comment * fix typo * export the NullScope * Stream.SetProtocol can return an error It needs to attach the protocol to the protocol scope, which may fail. * merge the mux package into network * pass the PeerScope to Multiplexer.NetConn * Update network/rcmgr.go Co-authored-by: raulk <raul@protocol.ai> * Update network/rcmgr.go Co-authored-by: raulk <raul@protocol.ai> * Update network/rcmgr.go Co-authored-by: raulk <raul@protocol.ai> * Update network/rcmgr.go Co-authored-by: Adin Schmahmann <adin.schmahmann@gmail.com> * remove reference to deprecated mux.MuxedConn * rename transaction to span * indicate bytes in ReserveMemory * break ResourceManager View methods into Viewer interface. * add experimental interface warning Co-authored-by: Marten Seemann <martenseemann@gmail.com> Co-authored-by: raulk <raul@protocol.ai> Co-authored-by: Adin Schmahmann <adin.schmahmann@gmail.com>		2022-01-16 23:15:05 -08:00
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transport.go	Network Resource Manager interface (#229)	2022-01-16 23:15:05 -08:00