github.com/datastax/go-cassandra-native-protocol@v0.0.0-20220706104457-5e8aad05cf90/primitive/util.go (about)

     1  // Copyright 2020 DataStax
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //      http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package primitive
    16  
    17  import (
    18  	"fmt"
    19  )
    20  
    21  // SupportedProtocolVersions returns a slice containing all the protocol versions supported by this library.
    22  func SupportedProtocolVersions() []ProtocolVersion {
    23  	return []ProtocolVersion{
    24  		ProtocolVersion2,
    25  		ProtocolVersion3,
    26  		ProtocolVersion4,
    27  		ProtocolVersion5,
    28  		ProtocolVersionDse1,
    29  		ProtocolVersionDse2,
    30  	}
    31  }
    32  
    33  func SupportedOssProtocolVersions() []ProtocolVersion {
    34  	return matchingProtocolVersions(func(v ProtocolVersion) bool { return v.IsOss() })
    35  }
    36  
    37  func SupportedDseProtocolVersions() []ProtocolVersion {
    38  	return matchingProtocolVersions(func(v ProtocolVersion) bool { return v.IsDse() })
    39  }
    40  
    41  func SupportedBetaProtocolVersions() []ProtocolVersion {
    42  	return matchingProtocolVersions(func(v ProtocolVersion) bool { return v.IsBeta() })
    43  }
    44  
    45  func SupportedNonBetaProtocolVersions() []ProtocolVersion {
    46  	return matchingProtocolVersions(func(v ProtocolVersion) bool { return !v.IsBeta() })
    47  }
    48  
    49  func SupportedProtocolVersionsGreaterThanOrEqualTo(version ProtocolVersion) []ProtocolVersion {
    50  	return matchingProtocolVersions(func(v ProtocolVersion) bool { return v >= version })
    51  }
    52  
    53  func SupportedProtocolVersionsGreaterThan(version ProtocolVersion) []ProtocolVersion {
    54  	return matchingProtocolVersions(func(v ProtocolVersion) bool { return v > version })
    55  }
    56  
    57  func SupportedProtocolVersionsLesserThanOrEqualTo(version ProtocolVersion) []ProtocolVersion {
    58  	return matchingProtocolVersions(func(v ProtocolVersion) bool { return v <= version })
    59  }
    60  
    61  func SupportedProtocolVersionsLesserThan(version ProtocolVersion) []ProtocolVersion {
    62  	return matchingProtocolVersions(func(v ProtocolVersion) bool { return v < version })
    63  }
    64  
    65  func matchingProtocolVersions(filters ...func(version ProtocolVersion) bool) []ProtocolVersion {
    66  	var result []ProtocolVersion
    67  	for _, v := range SupportedProtocolVersions() {
    68  		include := true
    69  		for _, filter := range filters {
    70  			if !filter(v) {
    71  				include = false
    72  				break
    73  			}
    74  		}
    75  		if include {
    76  			result = append(result, v)
    77  		}
    78  	}
    79  	return result
    80  }
    81  
    82  func CheckSupportedProtocolVersion(version ProtocolVersion) error {
    83  	if !version.IsSupported() {
    84  		return fmt.Errorf("invalid protocol version: %v", version)
    85  	}
    86  	return nil
    87  }
    88  
    89  func CheckDseProtocolVersion(version ProtocolVersion) error {
    90  	if !version.IsDse() {
    91  		return fmt.Errorf("invalid DSE protocol version: %v", version)
    92  	}
    93  	return nil
    94  }
    95  
    96  func CheckValidOpCode(code OpCode) error {
    97  	if !code.IsValid() {
    98  		return fmt.Errorf("invalid opcode: %v", code)
    99  	}
   100  	return nil
   101  }
   102  
   103  func CheckRequestOpCode(code OpCode) error {
   104  	if !code.IsRequest() {
   105  		return fmt.Errorf("expected request opcode, but got: %v", code)
   106  	}
   107  	return nil
   108  }
   109  
   110  func CheckResponseOpCode(code OpCode) error {
   111  	if !code.IsResponse() {
   112  		return fmt.Errorf("expected response opcode, but got: %v", code)
   113  	}
   114  	return nil
   115  }
   116  
   117  func CheckValidConsistencyLevel(consistency ConsistencyLevel) error {
   118  	if !consistency.IsValid() {
   119  		return fmt.Errorf("invalid consistency level: %v", consistency)
   120  	}
   121  	return nil
   122  }
   123  
   124  func CheckSerialConsistencyLevel(consistency ConsistencyLevel) error {
   125  	if !consistency.IsSerial() {
   126  		return fmt.Errorf("invalid serial consistency level: %v", consistency)
   127  	}
   128  	return nil
   129  }
   130  
   131  func CheckValidEventType(eventType EventType) error {
   132  	if !eventType.IsValid() {
   133  		return fmt.Errorf("invalid event type: %v", eventType)
   134  	}
   135  	return nil
   136  }
   137  
   138  func CheckValidWriteType(writeType WriteType) error {
   139  	if !writeType.IsValid() {
   140  		return fmt.Errorf("invalid write type: %v", writeType)
   141  	}
   142  	return nil
   143  }
   144  
   145  func CheckValidBatchType(batchType BatchType) error {
   146  	if !batchType.IsValid() {
   147  		return fmt.Errorf("invalid BATCH type: %v", batchType)
   148  	}
   149  	return nil
   150  }
   151  
   152  func CheckValidDataTypeCode(code DataTypeCode, version ProtocolVersion) error {
   153  	if !code.IsValid() || !version.SupportsDataType(code) {
   154  		return fmt.Errorf("invalid data type code for %v: %v", version, code)
   155  	}
   156  	return nil
   157  }
   158  
   159  func CheckValidSchemaChangeType(t SchemaChangeType) error {
   160  	if !t.IsValid() {
   161  		return fmt.Errorf("invalid schema change type: %v", t)
   162  	}
   163  	return nil
   164  }
   165  
   166  func CheckValidSchemaChangeTarget(target SchemaChangeTarget, version ProtocolVersion) error {
   167  	if !target.IsValid() || !version.SupportsSchemaChangeTarget(target) {
   168  		return fmt.Errorf("invalid schema change target for %v: %v", version, target)
   169  	}
   170  	return nil
   171  }
   172  
   173  func CheckValidStatusChangeType(t StatusChangeType) error {
   174  	if !t.IsValid() {
   175  		return fmt.Errorf("invalid status change type: %v", t)
   176  	}
   177  	return nil
   178  }
   179  
   180  func CheckValidTopologyChangeType(t TopologyChangeType, version ProtocolVersion) error {
   181  	if !t.IsValid() || !version.SupportsTopologyChangeType(t) {
   182  		return fmt.Errorf("invalid topology change type for %v: %v", version, t)
   183  	}
   184  	return nil
   185  }
   186  
   187  func CheckValidResultType(t ResultType) error {
   188  	if !t.IsValid() {
   189  		return fmt.Errorf("invalid result type: %v", t)
   190  	}
   191  	return nil
   192  }
   193  
   194  func CheckValidDseRevisionType(t DseRevisionType, version ProtocolVersion) error {
   195  	if !t.IsValid() || !version.SupportsDseRevisionType(t) {
   196  		return fmt.Errorf("invalid DSE revision type for %v: %v", version, t)
   197  	}
   198  	return nil
   199  }
   200  
   201  func CheckValidFailureCode(c FailureCode) error {
   202  	if !c.IsValid() {
   203  		return fmt.Errorf("invalid failure code: %v", c)
   204  	}
   205  	return nil
   206  }