swarm: network simulation for swarm tests (#769)

* cmd/swarm: minor cli flag text adjustments

* cmd/swarm, swarm/storage, swarm: fix  mingw on windows test issues

* cmd/swarm: support for smoke tests on the production swarm cluster

* cmd/swarm/swarm-smoke: simplify cluster logic as per suggestion

* changed colour of landing page

* landing page reacts to enter keypress

* swarm/api/http: sticky footer for swarm landing page using flex

* swarm/api/http: sticky footer for error pages and fix for multiple choices

* swarm: propagate ctx to internal apis (#754)

* swarm/simnet: add basic node/service functions

* swarm/netsim: add buckets for global state and kademlia health check

* swarm/netsim: Use sync.Map as bucket and provide cleanup function for...

* swarm, swarm/netsim: adjust SwarmNetworkTest

* swarm/netsim: fix tests

* swarm: added visualization option to sim net redesign

* swarm/netsim: support multiple services per node

* swarm/netsim: remove redundant return statement

* swarm/netsim: add comments

* swarm: shutdown HTTP in Simulation.Close

* swarm: sim HTTP server timeout

* swarm/netsim: add more simulation methods and peer events examples

* swarm/netsim: add WaitKademlia example

* swarm/netsim: fix comments

* swarm/netsim: terminate peer events goroutines on simulation done

* swarm, swarm/netsim: naming updates

* swarm/netsim: return not healthy kademlias on WaitTillHealthy

* swarm: fix WaitTillHealthy call in testSwarmNetwork

* swarm/netsim: allow bucket to have any type for a key

* swarm: Added snapshots to new netsim

* swarm/netsim: add more tests for bucket

* swarm/netsim: move http related things into separate files

* swarm/netsim: add AddNodeWithService option

* swarm/netsim: add more tests and Start* methods

* swarm/netsim: add peer events and kademlia tests

* swarm/netsim: fix some tests flakiness

* swarm/netsim: improve random nodes selection, fix TestStartStop* tests

* swarm/netsim: remove time measurement from TestClose to avoid flakiness

* swarm/netsim: builder pattern for netsim HTTP server (#773)

* swarm/netsim: add connect related tests

* swarm/netsim: add comment for TestPeerEvents

* swarm: rename netsim package to network/simulation

1 files changed, 18 insertions, 0 deletions

diff --git a/p2p/simulations/adapters/inproc.go b/p2p/simulations/adapters/inproc.go
index b68d08f39..c1b032a0d 100644
--- a/p2p/simulations/adapters/inproc.go
+++ b/p2p/simulations/adapters/inproc.go
@@ -296,6 +296,13 @@ func (sn *SimNode) Stop() error {
 	return sn.node.Stop()
 }
 
+// Service returns a running service by name
+func (sn *SimNode) Service(name string) node.Service {
+	sn.lock.RLock()
+	defer sn.lock.RUnlock()
+	return sn.running[name]
+}
+
 // Services returns a copy of the underlying services
 func (sn *SimNode) Services() []node.Service {
 	sn.lock.RLock()
@@ -307,6 +314,17 @@ func (sn *SimNode) Services() []node.Service {
 	return services
 }
 
+// ServiceMap returns a map by names of the underlying services
+func (sn *SimNode) ServiceMap() map[string]node.Service {
+	sn.lock.RLock()
+	defer sn.lock.RUnlock()
+	services := make(map[string]node.Service, len(sn.running))
+	for name, service := range sn.running {
+		services[name] = service
+	}
+	return services
+}
+
 // Server returns the underlying p2p.Server
 func (sn *SimNode) Server() *p2p.Server {
 	return sn.node.Server()