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* swarm/network: DRY out repeated giga comment
I not necessarily agree with the way we wait for event propagation.
But I truly disagree with having duplicated giga comments.
* p2p/simulations: encapsulate Node.Up field so we avoid data races
The Node.Up field was accessed concurrently without "proper" locking.
There was a lock on Network and that was used sometimes to access
the field. Other times the locking was missed and we had
a data race.
For example: https://github.com/ethereum/go-ethereum/pull/18464
The case above was solved, but there were still intermittent/hard to
reproduce races. So let's solve the issue permanently.
resolves: ethersphere/go-ethereum#1146
* p2p/simulations: fix unmarshal of simulations.Node
Making Node.Up field private in 13292ee897e345045fbfab3bda23a77589a271c1
broke TestHTTPNetwork and TestHTTPSnapshot. Because the default
UnmarshalJSON does not handle unexported fields.
Important: The fix is partial and not proper to my taste. But I cut
scope as I think the fix may require a change to the current
serialization format. New ticket:
https://github.com/ethersphere/go-ethereum/issues/1177
* p2p/simulations: Add a sanity test case for Node.Config UnmarshalJSON
* p2p/simulations: revert back to defer Unlock() pattern for Network
It's a good patten to call `defer Unlock()` right after `Lock()` so
(new) error cases won't miss to unlock. Let's get back to that pattern.
The patten was abandoned in 85a79b3ad3c5863f8612d25c246bcfad339f36b7,
while fixing a data race. That data race does not exist anymore,
since the Node.Up field got hidden behind its own lock.
* p2p/simulations: consistent naming for test providers Node.UnmarshalJSON
* p2p/simulations: remove JSON annotation from private fields of Node
As unexported fields are not serialized.
* p2p/simulations: fix deadlock in Network.GetRandomDownNode()
Problem: GetRandomDownNode() locks -> getDownNodeIDs() ->
GetNodes() tries to lock -> deadlock
On Network type, unexported functions must assume that `net.lock`
is already acquired and should not call exported functions which
might try to lock again.
* p2p/simulations: ensure method conformity for Network
Connect* methods were moved to p2p/simulations.Network from
swarm/network/simulation. However these new methods did not follow
the pattern of Network methods, i.e., all exported method locks
the whole Network either for read or write.
* p2p/simulations: fix deadlock during network shutdown
`TestDiscoveryPersistenceSimulationSimAdapter` often got into deadlock.
The execution was stuck on two locks, i.e, `Kademlia.lock` and
`p2p/simulations.Network.lock`. Usually the test got stuck once in each
20 executions with high confidence.
`Kademlia` was stuck in `Kademlia.EachAddr()` and `Network` in
`Network.Stop()`.
Solution: in `Network.Stop()` `net.lock` must be released before
calling `node.Stop()` as stopping a node (somehow - I did not find
the exact code path) causes `Network.InitConn()` to be called from
`Kademlia.SuggestPeer()` and that blocks on `net.lock`.
Related ticket: https://github.com/ethersphere/go-ethereum/issues/1223
* swarm/state: simplify if statement in DBStore.Put()
* p2p/simulations: remove faulty godoc from private function
The comment started with the wrong method name.
The method is simple and self explanatory. Also, it's private.
=> Let's just remove the comment.
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* swarm/network: fix code inspection problems
- typos
- redundant import alias
* p2p/simulations: fix code inspection problems
- typos
- unused function parameters
- redundant import alias
- code style issue: snake case
* swarm/network: fix unused method parameters inspections
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* p2p/simulation: WIP minimal snapshot test
* p2p/simulation: Add snapshot create, load and verify to snapshot test
* build: add test tag for tests
* p2p/simulations, build: Revert travis change, build test sym always
* p2p/simulations: Add comments, timeout check on additional events
* p2p/simulation: Add benchmark template for minimal peer protocol init
* p2p/simulations: Remove unused code
* p2p/simulation: Correct timer reset
* p2p/simulations: Put snapshot check events in buffer and call blocking
* p2p/simulations: TestSnapshot fail if Load function returns early
* p2p/simulations: TestSnapshot wait for all connections before returning
* p2p/simulation: Revert to before wait for snap load (5e75594)
* p2p/simulations: add "conns after load" subtest to TestSnapshot
and nudge
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* swarm/network/simulation: increase the sleep duration for TestRun
* cmd/swarm, swarm: fix failing tests on mac
* cmd/swarm: update TestCLISwarmFs skip comment
* swarm/network/simulation: adjust disconnections on simulation close
* swarm/network/simulation: call cleanups after net shutdown
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* 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
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