/// <summary>
/// INCRBYFLOAT http://redis.io/commands/incrbyfloat
/// </summary>
public Task <double> Decrement(double value = 1, RedisExpiry expiry = null, CommandFlags commandFlags = CommandFlags.None)
{
return(TraceHelper.RecordSendAndReceive(Settings, Key, CallType, async() =>
{
var r = await this.ExecuteWithKeyExpire(x => x.StringDecrementAsync(Key, value, commandFlags), Key, expiry, commandFlags).ForAwait();
return Tracing.CreateSentAndReceived(new { value, expiry = expiry?.Value }, sizeof(double), r, sizeof(double));
}));
}
/// <summary>
/// SETBIT http://redis.io/commands/setbit
/// </summary>
public Task <bool> SetBit(long offset, bool bit, RedisExpiry expiry = null, CommandFlags commandFlags = CommandFlags.None)
{
return(TraceHelper.RecordSendAndReceive(Settings, Key, CallType, async() =>
{
var r = await this.ExecuteWithKeyExpire(x => x.StringSetBitAsync(Key, offset, bit, commandFlags), Key, expiry, commandFlags).ForAwait();
return Tracing.CreateSentAndReceived(new { offset, bit, expiry = expiry?.Value }, sizeof(long) * 2, r, sizeof(bool));
}));
}
/// <summary>
/// RPUSH http://redis.io/commands/rpush
/// </summary>
public Task <long> RightPush(T value, RedisExpiry expiry = null, When when = When.Always, CommandFlags commandFlags = CommandFlags.None)
{
return(TraceHelper.RecordSendAndReceive(Settings, Key, CallType, async() =>
{
long sentSize;
var v = Settings.ValueConverter.Serialize(value, out sentSize);
var vr = await this.ExecuteWithKeyExpire(x => x.ListRightPushAsync(Key, v, when, commandFlags), Key, expiry, commandFlags).ForAwait();
return Tracing.CreateSentAndReceived(new { value, expiry = expiry?.Value, when }, sentSize, vr, sizeof(long));
}));
}
/// <summary>
/// SADD http://redis.io/commands/sadd
/// </summary>
public Task <bool> Add(T value, RedisExpiry expiry = null, CommandFlags commandFlags = CommandFlags.None)
{
return(TraceHelper.RecordSendAndReceive(Settings, Key, CallType, async() =>
{
long sentSize;
var v = Settings.ValueConverter.Serialize(value, out sentSize);
var r = await this.ExecuteWithKeyExpire(x => x.SetAddAsync(Key, v, commandFlags), Key, expiry, commandFlags).ForAwait();
return Tracing.CreateSentAndReceived(new { value, expiry = expiry?.Value }, sentSize, r, sizeof(bool));
}));
}
/// <summary>
/// LSET http://redis.io/commands/lset
/// </summary>
public Task SetByIndex(int index, T value, RedisExpiry expiry = null, CommandFlags commandFlags = CommandFlags.None)
{
return(TraceHelper.RecordSend(Settings, Key, CallType, async() =>
{
long sentSize;
var v = Settings.ValueConverter.Serialize(value, out sentSize);
await this.ExecuteWithKeyExpire(x => x.ListSetByIndexAsync(Key, index, v, commandFlags), Key, expiry, commandFlags).ForAwait();
return Tracing.CreateSent(new { index, value }, sentSize);
}));
}
/// <summary>
/// ZINCRBY http://redis.io/commands/zincrby
/// </summary>
public Task <double> Decrement(T member, double value, RedisExpiry expiry = null, CommandFlags commandFlags = CommandFlags.None)
{
return(TraceHelper.RecordSendAndReceive(Settings, Key, CallType, async() =>
{
long size;
var v = Settings.ValueConverter.Serialize(member, out size);
var r = await this.ExecuteWithKeyExpire(x => x.SortedSetDecrementAsync(Key, v, value, commandFlags), Key, expiry, commandFlags).ForAwait();
return Tracing.CreateSentAndReceived(new { member, value, expiry = expiry?.Value }, size, r, sizeof(double));
}));
}
/// <summary>
/// HINCRBYFLOAT http://redis.io/commands/hincrbyfloat
/// </summary>
public Task <double> Increment(TKey field, double value, RedisExpiry expiry = null, CommandFlags commandFlags = CommandFlags.None)
{
return(TraceHelper.RecordSendAndReceive(Settings, Key, CallType, async() =>
{
long keySize;
var rKey = Settings.ValueConverter.Serialize(field, out keySize);
var r = await this.ExecuteWithKeyExpire(x => x.HashIncrementAsync(Key, rKey, value, commandFlags), Key, expiry, commandFlags).ForAwait();
return Tracing.CreateSentAndReceived(new { field, value }, keySize, r, sizeof(long));
}));
}
/// <summary>
/// LUA Script including hincrby, hset
/// </summary>
public Task <long> IncrementLimitByMin(TKey field, long value, long max, RedisExpiry expiry = null, CommandFlags commandFlags = CommandFlags.None)
{
return(TraceHelper.RecordSendAndReceive(Settings, Key, CallType, async() =>
{
long keySize;
var rKey = (RedisKey)(byte[])Settings.ValueConverter.Serialize(field, out keySize);
var v = await this.ExecuteWithKeyExpire(x => x.ScriptEvaluateAsync(HashScript.IncrementLimitByMin, new[] { Key, rKey }, new RedisValue[] { value, max }, commandFlags), Key, expiry, commandFlags).ForAwait();
var r = (long)v;
return Tracing.CreateSentAndReceived(new { field, value, max, expiry = expiry?.Value }, keySize + sizeof(long) * 2, r, sizeof(long));
}));
}
/// <summary>
/// LINSERT http://redis.io/commands/linsert
/// </summary>
public Task <long> InsertBefore(T pivot, T value, RedisExpiry expiry = null, CommandFlags commandFlags = CommandFlags.None)
{
return(TraceHelper.RecordSendAndReceive(Settings, Key, CallType, async() =>
{
long sentSize1;
long sentSize2;
var p = Settings.ValueConverter.Serialize(pivot, out sentSize1);
var v = Settings.ValueConverter.Serialize(value, out sentSize2);
var vr = await this.ExecuteWithKeyExpire(x => x.ListInsertBeforeAsync(Key, p, v, commandFlags), Key, expiry, commandFlags).ForAwait();
return Tracing.CreateSentAndReceived(new { pivot, value, expiry = expiry?.Value }, sentSize1 + sentSize2, vr, sizeof(long));
}));
}
/// <summary>
/// GETSET http://redis.io/commands/getset
/// </summary>
public Task <T> GetSet(T value, RedisExpiry expiry = null, CommandFlags commandFlags = CommandFlags.None)
{
return(TraceHelper.RecordSendAndReceive(Settings, Key, CallType, async() =>
{
long sentSize;
long receivedSize;
var v = Settings.ValueConverter.Serialize(value, out sentSize);
var result = await this.ExecuteWithKeyExpire(x => x.StringGetSetAsync(Key, v, commandFlags), Key, expiry, commandFlags).ForAwait();
var r = Settings.ValueConverter.Deserialize <T>(result, out receivedSize);
return Tracing.CreateSentAndReceived(new { value, expiry = expiry?.Value }, sentSize, r, receivedSize);
}));
}
/// <summary>
/// GET, SET http://redis.io/commands/get http://redis.io/commands/set
/// </summary>
public async Task <T> GetOrSet(Func <Task <T> > valueFactory, RedisExpiry expiry = null, bool keepValueFactorySynchronizationContext = false, CommandFlags commandFlags = CommandFlags.None)
{
var value = await Get(commandFlags).ConfigureAwait(keepValueFactorySynchronizationContext); // can choose valueFactory synchronization context
if (value.HasValue)
{
return(value.Value);
}
else
{
var v = await valueFactory().ForAwait();
await Set(v, expiry, When.Always, commandFlags).ForAwait();
return(v);
}
}
/// <summary>
/// SADD http://redis.io/commands/sadd
/// </summary>
public Task <long> Add(T[] values, RedisExpiry expiry = null, CommandFlags commandFlags = CommandFlags.None)
{
return(TraceHelper.RecordSendAndReceive(Settings, Key, CallType, async() =>
{
var sentSize = 0L;
var redisValues = values.Select(x =>
{
long _size;
var rv = Settings.ValueConverter.Serialize(x, out _size);
sentSize += _size;
return rv;
}).ToArray();
var vr = await this.ExecuteWithKeyExpire(x => x.SetAddAsync(Key, redisValues, commandFlags), Key, expiry, commandFlags).ForAwait();
return Tracing.CreateSentAndReceived(new { values, expiry = expiry?.Value }, sentSize, vr, sizeof(long));
}));
}
/// <summary>
/// LUA Script including incrbyfloat, set
/// </summary>
public Task <double> IncrementLimitByMin(double value, double min, RedisExpiry expiry = null, CommandFlags commandFlags = CommandFlags.None)
{
return(TraceHelper.RecordSendAndReceive(Settings, Key, CallType, async() =>
{
var v = await this.ExecuteWithKeyExpire(x => x.ScriptEvaluateAsync(@"
local inc = tonumber(ARGV[1])
local min = tonumber(ARGV[2])
local x = tonumber(redis.call('incrbyfloat', KEYS[1], inc))
if(x < min) then
redis.call('set', KEYS[1], min)
x = min
end
return tostring(x)", new[] { Key }, new RedisValue[] { value, min }, commandFlags), Key, expiry, commandFlags).ForAwait();
var r = double.Parse((string)v);
return Tracing.CreateSentAndReceived(new { value, min, expiry = expiry?.Value }, sizeof(double) * 2, r, sizeof(double));
}));
}
/// <summary>
/// LUA Script including incrby, set
/// </summary>
public Task <long> IncrementLimitByMax(long value, long max, RedisExpiry expiry = null, CommandFlags commandFlags = CommandFlags.None)
{
return(TraceHelper.RecordSendAndReceive(Settings, Key, CallType, async() =>
{
var v = await this.ExecuteWithKeyExpire(x => x.ScriptEvaluateAsync(@"
local inc = tonumber(ARGV[1])
local max = tonumber(ARGV[2])
local x = redis.call('incrby', KEYS[1], inc)
if(x > max) then
redis.call('set', KEYS[1], max)
x = max
end
return x", new[] { Key }, new RedisValue[] { value, max }, commandFlags), Key, expiry, commandFlags).ForAwait();
var r = (long)v;
return Tracing.CreateSentAndReceived(new { value, max, expiry = expiry?.Value }, sizeof(long) * 2, r, sizeof(long));
}));
}
// additional commands
/// <summary>
/// Simulate fixed size list includes LPUSH, TRIM.
/// </summary>
public Task <long> LeftPushAndFixLength(T value, long fixLength, RedisExpiry expiry = null, When when = When.Always, CommandFlags commandFlags = CommandFlags.None)
{
return(TraceHelper.RecordSendAndReceive(Settings, Key, CallType, async() =>
{
long sentSize;
var v = Settings.ValueConverter.Serialize(value, out sentSize);
var tx = CreateTransaction();
var leftpush = tx.ListLeftPushAsync(Key, v, when, commandFlags);
var trim = tx.ListTrimAsync(Key, 0, fixLength - 1, commandFlags);
if (expiry != null)
{
var expire = expiry.KeyExpire(tx, Key, commandFlags);
}
await tx.ExecuteAsync(commandFlags).ForAwait();
var r = await leftpush.ForAwait();
return Tracing.CreateSentAndReceived(new { value, fixLength, expiry = expiry?.Value, when }, sentSize, r, sizeof(long));
}));
}
/// <summary>
/// SET http://redis.io/commands/set
/// </summary>
public Task <bool> Set(T value, RedisExpiry expiry = null, When when = When.Always, CommandFlags commandFlags = CommandFlags.None)
{
return(TraceHelper.RecordSendAndReceive(Settings, Key, CallType, async() =>
{
long sentSize;
var v = Settings.ValueConverter.Serialize(value, out sentSize);
bool r;
if (expiry != null && expiry.IsTimeSpan)
{
r = await Command.StringSetAsync(Key, v, (TimeSpan)expiry.Value, when, CommandFlags.None).ForAwait();
}
else
{
r = await this.ExecuteWithKeyExpire(x => x.StringSetAsync(Key, v, expiry: null, when: when, flags: commandFlags), Key, expiry, commandFlags).ForAwait();
}
return Tracing.CreateSentAndReceived(new { value, expiry, when }, sentSize, r, sizeof(bool));
}));
}
/// <summary>
/// LUA Script including zincrby, zadd
/// </summary>
public Task <double> IncrementLimitByMax(T member, double value, double max, RedisExpiry expiry = null, CommandFlags commandFlags = CommandFlags.None)
{
return(TraceHelper.RecordSendAndReceive(Settings, Key, CallType, async() =>
{
long size;
var mv = Settings.ValueConverter.Serialize(member, out size);
var v = await this.ExecuteWithKeyExpire(x => x.ScriptEvaluateAsync(@"
local mem = ARGV[1]
local inc = tonumber(ARGV[2])
local max = tonumber(ARGV[3])
local x = tonumber(redis.call('zincrby', KEYS[1], inc, mem))
if(x > max) then
redis.call('zadd', KEYS[1], max, mem)
x = max
end
return tostring(x)", new[] { Key }, new RedisValue[] { mv, value, max }, commandFlags), Key, expiry, commandFlags).ForAwait();
var r = double.Parse((string)v);
return Tracing.CreateSentAndReceived(new { value, max, expiry = expiry?.Value }, size, r, sizeof(double));
}));
}
/// <summary>
/// ZADD http://redis.io/commands/zadd
/// </summary>
public Task <long> Add(IEnumerable <KeyValuePair <T, double> > values, RedisExpiry expiry = null, CommandFlags commandFlags = CommandFlags.None)
{
return(TraceHelper.RecordSendAndReceive(Settings, Key, CallType, async() =>
{
// materialize
if (!(values is ICollection))
{
values = values.ToArray();
}
long sentSize = 0;
var sendValues = values.Select(x =>
{
long s;
var v = Settings.ValueConverter.Serialize(x.Key, out s);
sentSize += s;
return new SortedSetEntry(v, x.Value);
}).ToArray();
var vr = await this.ExecuteWithKeyExpire(x => x.SortedSetAddAsync(Key, sendValues, commandFlags), Key, expiry, commandFlags).ForAwait();
return Tracing.CreateSentAndReceived(new { values, expiry = expiry?.Value }, sentSize, vr, sizeof(long));
}));
}
public static async Task <T> ExecuteWithKeyExpire <T>(this RedisStructure redisStructure, Func <IDatabaseAsync, Task <T> > command, RedisKey key, RedisExpiry expiry, CommandFlags commandFlags)
{
if (expiry == null)
{
return(await command(redisStructure.Command).ForAwait());
}
else
{
var tx = redisStructure.CreateTransaction();
var future = command(tx);
var expire = expiry.KeyExpire(tx, key, commandFlags);
await tx.ExecuteAsync(commandFlags).ForAwait();
return(await future.ForAwait());
}
}