This project includes a series of tools and libraries applicable to OpenIM, along with some other project-provided tool supports, aimed at supporting efficient solution development. Below is an introduction to the functionalities of each module:

• api2rpc.go: A tool for converting API to RPC, used for converting HTTP API requests into RPC calls.

• format.go, gin.go, http.go, resp.go: Handles the formatting, encapsulation, and sending of API responses, supporting different web frameworks.

• check.go: Provides service health checks and dependency verification functions.

• config.go, config_parser.go, config_source.go, manager.go, path.go: Configuration management module, supporting the parsing, loading, and dynamic updating of configurations.
• validation: Provides tools and libraries for configuration validation.

• mongo, pagination, redis, tx.go: Database operation-related tools, including support for MongoDB, Redis, and transaction management.

• discovery_register.go: Service discovery and registration functions.
• zookeeper: Service discovery implementation based on Zookeeper.

• env.go, env_test.go: Environment variable management tools, including loading and parsing environment variables.

• code.go, coderr.go, error.go, predefine.go, relation.go: Error code management and custom error types.

• file.go, genutil.go, path.go: Utilities for file operations and path generation.
• Related test files.

• color.go, encoder.go, logger.go, sql_logger.go, zap.go, zk_logger.go: Log management module, supporting multiple log formats and outputs.

• ctx.go: Context management tool, used for passing request-related information between middleware and services.

• kafka: Support for message queues based on Kafka.

• gin.go, intercept_chain.go, rpc_client_interceptor.go, rpc_server_interceptor.go: Middleware and interceptors, used for preprocessing and postprocessing of requests.
• specialerror: Special error handling module.

• jwt_token.go, jwt_token_test.go: JWT token verification and testing.

The utils contain multiple utility libraries, such as encoding, encrypt, httputil, jsonutil, network, splitter, stringutil, timeutil: Providing various common functionalities, such as encryption, encoding, network operations, etc.

• base64.go & base64_test.go: Provides utility functions for Base64 encoding and decoding, and their unit tests.

• encryption.go & encryption_test.go: Contains functionalities for encryption and decryption, supporting common encryption algorithms, and related unit tests.

• jsonutils.go & jsonutils_test.go: Provides utility functions for handling JSON data, such as parsing and generating JSON, and related unit tests.

• http_client.go & http_client_test.go: Encapsulates HTTP client operations, providing convenient methods for sending HTTP requests, and their unit tests.

• interface.go, json.go & json_test.go: Focuses on JSON data handling, including more advanced JSON operations and customized JSON parsing methods, and their unit tests.

• ip.go & ip_test.go: Provides network-related utility functions, such as parsing and validating IP addresses, and related unit tests.

• splitter.go & splitter_test.go: Provides tools for splitting strings, supporting various splitting strategies and complex splitting scenarios, and their unit tests.

• strings.go & strings_test.go: Contains a series of utility functions for string operations, such as modifying, searching, comparing strings, and their unit tests.

• time_format.go & time_format_test.go: Provides utility functions related to time, including parsing and formatting time formats, and related unit tests.

• base.go, doc.go, types.go, version.go: Version management tool, used for defining and managing project version information.