2026-06-26 17:28:07 -04:00
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# ContainerPortMapping
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Maps a Windows host port to a container port.
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**Constructors / properties**
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2026-06-28 06:43:01 -07:00
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2026-06-26 17:28:07 -04:00
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- `ContainerPortMapping(uint16_t windowsPort, uint16_t containerPort, PortProtocol protocol)`
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- `WindowsPort()` / setter
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- `ContainerPort()` / setter
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- `Protocol()` / setter
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- `WindowsAddress()` / setter
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**Important notes**
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2026-06-28 06:43:01 -07:00
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2026-06-26 17:28:07 -04:00
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- `WindowsAddress` is implemented.
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- The setter accepts only `Windows::Networking::HostName` values whose type is `Ipv4` or `Ipv6`.
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- `ToStruct()` uses `inet_pton` and stores a real `sockaddr_in` / `sockaddr_in6`.
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```cpp
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using namespace winrt::Windows::Networking;
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ContainerPortMapping mapping{ 8080, 80, PortProtocol::TCP };
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mapping.WindowsAddress(HostName{ L"127.0.0.1" });
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auto hostPort = mapping.WindowsPort();
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auto guestPort = mapping.ContainerPort();
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auto protocol = mapping.Protocol();
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auto bindAddress = mapping.WindowsAddress();
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```
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