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Mentioned path for protofiles in etcd 

Mentioned that etcdv3 cpp client does not make use
of etcdv3 indefinite watch functionality.
This commit is contained in:
Arches 2016-06-24 10:41:05 +02:00
parent 7fec39739b
commit 0cb5bd762a
1 changed files with 10 additions and 0 deletions
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README.md
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@ -17,6 +17,10 @@ You can compile it like this(if you are running this command inside /proto folde
$ protoc -I . --grpc_out=. --plugin=protoc-gen-grpc=`which grpc_cpp_plugin` ./rpc.proto $ protoc -I . --grpc_out=. --plugin=protoc-gen-grpc=`which grpc_cpp_plugin` ./rpc.proto
$ protoc -I . --cpp_out=. ./*.proto $ protoc -I . --cpp_out=. ./*.proto
Protofiles for etcdv3 can be found here:
https://github.com/coreos/etcd/tree/master/auth/authpb
https://github.com/coreos/etcd/tree/master/etcdserver/etcdserverpb
https://github.com/coreos/etcd/tree/master/mvcc/mvccpb
## generic notes ## generic notes
@ -284,3 +288,9 @@ At first glance it seems that ```watch_for_changes()``` calls itself on every va
fact it just sends the asynchron request, sets up a callback for the response and then returns. The fact it just sends the asynchron request, sets up a callback for the response and then returns. The
callback is executed by some thread from the pplx library's thread pool and the callback (in this callback is executed by some thread from the pplx library's thread pool and the callback (in this
case a small lambda function actually) will call ```watch_for_changes``` again from there. case a small lambda function actually) will call ```watch_for_changes``` again from there.
Note: etcdv3 watch functionality uses a stream for both request and response. This means that clients can
watch a key(s) as long as it will not terminate the stream. However, as stated above existing watch() will
return once an event is received for the watch request(a httpv1 limitation) and watch for the key(s) will
cancelled. Current set of API does not yet support watching a key(s) for indefinite periods. This functionality
can be added in the future releases of etcd-cpp-clientv3.