X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=govpp.go;h=d66d5dc564f68aa04a4258934f2951e57d0abaa9;hb=e6cca4bfd215aba51d58bf0bb046c16c081e42a3;hp=f0ced41091237868080c833fd5d7e6f6eedeff86;hpb=a101d966133a70b8a76526be25070436d14fcf9f;p=govpp.git diff --git a/govpp.go b/govpp.go index f0ced41..d66d5dc 100644 --- a/govpp.go +++ b/govpp.go @@ -15,23 +15,41 @@ package govpp import ( - "gerrit.fd.io/r/govpp/adapter" - "gerrit.fd.io/r/govpp/adapter/vppapiclient" - "gerrit.fd.io/r/govpp/core" + "git.fd.io/govpp.git/adapter" + "git.fd.io/govpp.git/adapter/vppapiclient" + "git.fd.io/govpp.git/core" + "time" ) -var vppAdapter adapter.VppAdapter // VPP Adapter that will be used in the subsequent Connect calls +var ( + // VPP binary API adapter that will be used in the subsequent Connect calls + vppAdapter adapter.VppAPI +) -// Connect connects the govpp core to VPP either using the default VPP Adapter, or using the adapter previously -// set by SetAdapter (useful mostly just for unit/integration tests with mocked VPP adapter). -func Connect() (*core.Connection, error) { +func getVppAdapter(shm string) adapter.VppAPI { if vppAdapter == nil { - vppAdapter = vppapiclient.NewVppAdapter() + vppAdapter = vppapiclient.NewVppClient(shm) } - return core.Connect(vppAdapter) + return vppAdapter +} + +// SetVppAdapter sets the adapter that will be used for connections to VPP in the subsequent `Connect` calls. +func SetVppAdapter(a adapter.VppAPI) { + vppAdapter = a +} + +// Connect connects the govpp core to VPP either using the default VPP Adapter, or using the adapter previously +// set by SetAdapter (useful mostly just for unit/integration tests with mocked VPP adapter). +// This call blocks until VPP is connected, or an error occurs. Only one connection attempt will be performed. +func Connect(shm string) (*core.Connection, error) { + return core.Connect(getVppAdapter(shm)) } -// SetAdapter sets the adapter that will be used for connections to VPP in the subsequent `Connect` calls. -func SetAdapter(ad adapter.VppAdapter) { - vppAdapter = ad +// AsyncConnect asynchronously connects the govpp core to VPP either using the default VPP Adapter, +// or using the adapter previously set by SetAdapter. +// This call does not block until connection is established, it returns immediately. The caller is +// supposed to watch the returned ConnectionState channel for Connected/Disconnected events. +// In case of disconnect, the library will asynchronously try to reconnect. +func AsyncConnect(shm string, attempts int, interval time.Duration) (*core.Connection, chan core.ConnectionEvent, error) { + return core.AsyncConnect(getVppAdapter(shm), attempts, interval) }