I am writing a grpc based server and client. Server is running on linux and
client is running on windows.
I am trying to handle the scenario when the server is not started but the
client is up.
This is the simplified version of the code which I use to check when server
is available.
auto state = m_channel->GetState(true);
while (state != GRPC_CHANNEL_READY || state != GRPC_CHANNEL_SHUTDOWN) {
std::chrono::time_point deadline = std::chrono::system_clock::now() +
std::chrono::seconds(30); if (m_channel->WaitForStateChange(state,
deadline)) { std::cout << "new state is: " << static_cast<int>(state) <<
"\n"; state = m_channel->GetState(true); } }
But when the client starts running without the server, I see the following
error:
**I0929 22:24:05.748000000 14812 subchannel.cc:905] subchannel 0123CF78
{address=ipv4:192.168.175.130:40051,
args={grpc.client_channel_factory=0x121dd68,
grpc.default_authority=192.168.175.130:40051,
grpc.internal.channel_credentials=0x121dce8,
grpc.internal.security_connector=0x1235f28,
grpc.internal.subchannel_pool=0x1225db0,
grpc.max_receive_message_length=-1,
grpc.primary_user_agent=grpc-c++/1.49.0-dev, grpc.resource_quota=0x1225990,
grpc.server_uri=dns:///192.168.175.130:40051}}: connect failed
(UNAVAILABLE:WSA Error {syscall:"ConnectEx", os_error:"No connection could
be made because the target machine actively refused it.\r\n",
grpc_status:14, wsa_error:10061,
created_time:"2022-09-29T20:24:05.748604482+00:00"}), backing off for -1057
ms**
*Where as when I run the client on linux, I see it properly waiting till
the server is up and running.*
Is there a specific firewall setting that is needed for windows ? Can
someone guide me here ?
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