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package AliSDK
import (
"sync"
"github.com/aliyun/alibaba-cloud-sdk-go/services/rds"
)
type RdsClient struct {
client *rds.Client
mu sync.Mutex // Mutex to protect the shared resource
}
func NewDefaultRdsClient() (*RdsClient, error) {
client, err := rds.NewClientWithAccessKey("cn-hangzhou", "<YourAccessKey>", "<YourSecretKey>")
if err != nil {
return nil, err
}
return &RdsClient{client: client}, nil
}
func (r *RdsClient) GetRegionInfo() {
r.mu.Lock() // Locking the mutex to ensure exclusive access to the resource
defer r.mu.Unlock() // Unlock the mutex once the function execution is done
// Now you can safely access and modify shared data without a data race
resp, err := r.client.DescribeRegions()
if err != nil {
// Handle error
}
// Process the response...
_ = resp
}
func (r *RdsClient) GetEndpointMap() {
r.mu.Lock() // Locking the mutex to ensure exclusive access to the resource
defer r.mu.Unlock() // Unlock the mutex once the function execution is done
// Fetch and handle the endpoint map safely
endpointMap, err := r.client.GetEndpointMap()
if err != nil {
// Handle error
}
// Process the endpointMap...
_ = endpointMap
}
func main() {
client, err := NewDefaultRdsClient()
if err != nil {
// Handle error
}
// Run concurrent goroutines, all access to GetEndpointMap will be thread-safe now
go client.GetRegionInfo()
go client.GetEndpointMap()
}
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