private void registerWithPool(PoolMember peerListSource)
{
HttpResponseMessage peerListResponse;
try {
peerListResponse = client.GetAsync(
$"http://{peerListSource.uri.toStringWithPort()}/pool/peerlist",
peerListCancellationToken.Token).Result;
} catch (Exception e) {
if (e is HttpRequestException || e is AggregateException)
{
Logger.logError($"Failed to connect to pool. Assuming role of seed.");
return;
}
throw;
}
string peerListJson = peerListResponse.Content.ReadAsStringAsync().Result;
members = JsonConvert.DeserializeObject <List <PoolMember> >(peerListJson);
registerNewUser(peerListSource);
Logger.log($"{members.Count} members in pool");
foreach (PoolMember poolMember in members)
{
Logger.log($"{poolMember}");
StringContent form = new StringContent(JsonConvert.SerializeObject(memberInfo));
HttpResponseMessage registerResponse = client.PostAsync($"http://{peerListSource.uri.toStringWithPort()}/pool/register", form).Result;
}
}
public override bool Equals(object obj)
{
if (!(obj is PoolMember))
{
return(false);
}
PoolMember comparison = (PoolMember)obj;
return(comparison.uri.toStringWithPort() == uri.toStringWithPort());
}
public Pool(Uri localUri, PoolMember poolSeed)
{
memberInfo = new PoolMember()
{
uri = localUri
};
if (poolSeed != null)
{
registerWithPool(poolSeed);
}
}
public bool registerNewUser(PoolMember newMember)
{
if (members.Contains(newMember))
{
Logger.log($"{newMember} reconnected");
}
else
{
Logger.log($"{newMember} connected");
members.Add(newMember);
}
return(true);
}
public Page requestPage(PageRequestMessage pageRequest)
{
pageRequest.ignorantPeerUris.Add(memberInfo.uri.toStringWithPort());
PoolMember nonIgnorantPoolMember = members.Where(m => !pageRequest.ignorantPeerUris.Contains(m.uri.toStringWithPort())).getRandomElement();
Page page = null;
if (nonIgnorantPoolMember != null)
{
StringContent form = new StringContent(JsonConvert.SerializeObject(pageRequest.ignorantPeerUris));
Logger.log($"Asking {nonIgnorantPoolMember.uri.toStringWithPort()} for the {pageRequest.title} page");
HttpResponseMessage pageResponse = client.PostAsync($"http://{nonIgnorantPoolMember.uri.toStringWithPort()}/data/{pageRequest.title}", form).Result;
string responseString = pageResponse.Content.ReadAsStringAsync().Result;
page = JsonConvert.DeserializeObject <Page>(responseString);
}
return(page);
}
static void Main(string[] args)
{
ExeConfigurationFileMap configMap = new ExeConfigurationFileMap();
configMap.ExeConfigFilename = @"App.config";
Configuration config = ConfigurationManager.OpenMappedExeConfiguration(configMap, ConfigurationUserLevel.None);
if (!config.HasFile)
{
Logger.logError("No App.config detected. Exiting.");
Console.ReadLine();
Environment.Exit(1);
}
DirectoryInfo localStorageDirectory = new DirectoryInfo(config.AppSettings.Settings["LocalStorageDirectory"].Value);
Uri localUri = new UriBuilder(config.AppSettings.Settings["LocalUri"].Value).Uri;
Logger.log($"Local Uri: {localUri.toStringWithPort()}");
PoolMember poolSeed = null;
try {
string poolSeedUriString = config.AppSettings.Settings["PoolSeed"].Value;
Uri poolSeedUri = new UriBuilder(poolSeedUriString).Uri;
Logger.log($"Pool Seed Uri: {poolSeedUri.toStringWithPort()}");
poolSeed = new PoolMember()
{
uri = poolSeedUri
};
} catch (Exception e) {
Logger.log("No PoolSeed set, assuming role of pool seed");
}
OriginStorage originStorage = new OriginStorage();
Pool pool = new Pool(localUri, poolSeed);
PoolStorage poolStorage = new PoolStorage(pool)
{
backup = originStorage
};
DiskStorage diskStorage = new DiskStorage(localStorageDirectory)
{
backup = poolStorage
};
MemoryStorage memoryStorage = new MemoryStorage()
{
backup = diskStorage
};
Host host = new Host(
localUri,
new WikipediaTemplate(),
memoryStorage
)
{
pool = pool
};
host.run();
}
