51 lines
1.7 KiB
Go
51 lines
1.7 KiB
Go
package agent
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// rpcHandlerForAlloc is a helper that given an allocation ID returns whether to
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// use the local clients RPC, the local clients remote RPC or the server on the
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// agent.
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func (s *HTTPServer) rpcHandlerForAlloc(allocID string) (localClient, remoteClient, server bool) {
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c := s.agent.Client()
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srv := s.agent.Server()
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// See if the local client can handle the request.
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localAlloc := false
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if c != nil {
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_, err := c.GetClientAlloc(allocID)
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if err == nil {
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localAlloc = true
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}
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}
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// Only use the client RPC to server if we don't have a server and the local
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// client can't handle the call.
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useClientRPC := c != nil && !localAlloc && srv == nil
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// Use the server as a last case.
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useServerRPC := !localAlloc && !useClientRPC && srv != nil
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return localAlloc, useClientRPC, useServerRPC
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}
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// rpcHandlerForNode is a helper that given a node ID returns whether to
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// use the local clients RPC, the local clients remote RPC or the server on the
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// agent. If there is a local node and no node id is given, it is assumed the
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// local node is being targed.
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func (s *HTTPServer) rpcHandlerForNode(nodeID string) (localClient, remoteClient, server bool) {
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c := s.agent.Client()
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srv := s.agent.Server()
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// See if the local client can handle the request.
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localClient = c != nil && // Must have a client
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(nodeID == "" || // If no node ID is given
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nodeID == c.NodeID()) // Requested node is the local node.
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// Only use the client RPC to server if we don't have a server and the local
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// client can't handle the call.
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useClientRPC := c != nil && !localClient && srv == nil
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// Use the server as a last case.
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useServerRPC := !localClient && !useClientRPC && srv != nil && nodeID != ""
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return localClient, useClientRPC, useServerRPC
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}
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