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GRPC client increase max message size #185

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GRPC client increase max message size #185

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10 changes: 7 additions & 3 deletions grpc_client.go
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Original file line number Diff line number Diff line change
Expand Up @@ -3,7 +3,6 @@ package plugin
import (
"crypto/tls"
"fmt"
"math"
"net"
"time"

Expand All @@ -14,6 +13,11 @@ import (
"google.golang.org/grpc/health/grpc_health_v1"
)

// maxInt is defined here to allow 64-bit architectures to set message size
// limits greater than 2^31-1. This is used rather than [math.MaxInt] to support
// go versions < 1.17.
const maxInt = int(^uint(0) >> 1)

func dialGRPCConn(tls *tls.Config, dialer func(string, time.Duration) (net.Conn, error), dialOpts ...grpc.DialOption) (*grpc.ClientConn, error) {
// Build dialing options.
opts := make([]grpc.DialOption, 0)
Expand All @@ -34,8 +38,8 @@ func dialGRPCConn(tls *tls.Config, dialer func(string, time.Duration) (net.Conn,
}

opts = append(opts,
grpc.WithDefaultCallOptions(grpc.MaxCallRecvMsgSize(math.MaxInt32)),
grpc.WithDefaultCallOptions(grpc.MaxCallSendMsgSize(math.MaxInt32)))
grpc.WithDefaultCallOptions(grpc.MaxCallRecvMsgSize(maxInt)),
grpc.WithDefaultCallOptions(grpc.MaxCallSendMsgSize(maxInt)))

// Add our custom options if we have any
opts = append(opts, dialOpts...)
Expand Down