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Separation of ConnectionOptions into a header and an implementation file.

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PiperOrigin-RevId: 403486468
This commit is contained in:
jfcarroll
2021-10-15 15:55:09 -07:00
committed by Copybara-Service
parent f20e7de4e7
commit d7f0f1b635
3 changed files with 96 additions and 46 deletions
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cpp/core/options.h
+6 -46
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@@ -103,67 +103,27 @@ struct DLL_API ConnectionOptions {
int keep_alive_timeout_millis = 0;
// Verify if ConnectionOptions is in a not-initialized (Empty) state.
bool Empty() const { return strategy.IsNone(); }
bool Empty() const;
// Bring ConnectionOptions to a not-initialized (Empty) state.
void Clear() { strategy.Clear(); }
void Clear();
// Returns a copy and normalizes allowed mediums:
// (1) If is_out_of_band_connection is true, verifies that there is only one
// medium allowed, defaulting to only Bluetooth if unspecified.
// (2) If no mediums are allowed, allow all mediums.
ConnectionOptions CompatibleOptions() const {
ConnectionOptions result = *this;
ConnectionOptions CompatibleOptions() const;
// Out-of-band connections initiate connections via an injected endpoint
// rather than through the normal discovery flow. These types of connections
// can only be injected via a single medium.
if (is_out_of_band_connection) {
int num_enabled = result.allowed.Count(true);
// Default to allow only Bluetooth if no single medium is specified.
if (num_enabled != 1) {
result.allowed.SetAll(false);
result.allowed.bluetooth = true;
}
return result;
}
// Normal connections (i.e., not out-of-band) connections can specify
// multiple mediums. If none are specified, default to allowing all mediums.
if (!allowed.Any(true)) result.allowed.SetAll(true);
return result;
}
std::vector<Medium> GetMediums() const { return allowed.GetMediums(true); }
std::vector<Medium> GetMediums() const;
// This call follows the standard Microsoft calling pattern of calling first
// to get the size of the array. Caller then allocates memory for the array,
// and makes this call again to copy the array into the provided location.
void GetMediums(location::nearby::proto::connections::Medium* mediums,
uint32_t* mediumsSize) {
auto size = GetMediums().size();
// Caller is seeking the size of mediums
if (mediums == nullptr) {
*mediumsSize = size;
return;
}
// Caller has not specified enough memory
if (*mediumsSize < size) {
mediums = nullptr; // ensure nullptr return
*mediumsSize = size; // update the size to indicate the correct size
return;
}
for (uint32_t i = 0; i < size; i++) {
// Construct an array at the given location
mediums[i] = GetMediums().at(i);
}
}
uint32_t* mediumsSize);
};
// Metadata injected to facilitate out-of-band connections. The medium field is
// required, and the other fields are only specified for a specific medium.
// Currently, Bluetooth is the only supported medium for out-of-band