. This isn’t just an AFL script; it’s a Win32 DLL that acts as a direct bridge between your data source and AmiBroker’s engine.
Every AmiBroker DLL plugin requires three core functions, which are part of the standard plugin interface: GetPluginInfo , Init , and Release . These functions handle the plugin's lifecycle, from initial setup to final cleanup.
Not all plugins are real-time. Many developers need to create plugins that import historical data from custom text formats or binary files. The AmiBroker community has long maintained open-source examples of custom ASCII importers. amibroker data plugin source code top
Directly performing HTTP requests inside GetQuotesEx will freeze AmiBroker's main UI thread. You should instead use a decoupled worker thread architecture:
The AmiBroker plugin ecosystem is not static. Newer versions of AmiBroker (like 7.00.x) have shown changes in how plugins are loaded, sometimes affecting compatibility with older ones, which underscores the need to stay current with community developments. These functions handle the plugin's lifecycle, from initial
To write a data plugin, you must understand how AmiBroker stores market data. The core structures are defined in the Plugin.h header file provided in the ADK. Quotation Structure
Creating a custom AmiBroker data plugin allows you to stream live ticks, historical bars, and fundamental data directly into your database. This guide details the development architecture, core structures, and implementation logic required to build a high-performance data plugin using the AmiBroker Development Kit (ADK). 1. Understanding the AmiBroker Plugin Architecture __declspec(dllexport) int Init(void)
This GitHub topic page showcases several plugins, including those for specialized exchanges like the Dhaka Stock Exchange (DSE) .
#ifndef PLUGIN_H #define PLUGIN_H #include #include "AmiData.h" #define PLUGIN_ID 'C','U','S','T' // Unique 4-byte ID #ifdef __cplusplus extern "C" #endif __declspec(dllexport) int GetPluginInfo(struct PluginInfo *info); __declspec(dllexport) int Init(void); __declspec(dllexport) int Release(void); __declspec(dllexport) int GetQuotesEx(char *Ticker, int Period, int Format, int NRows, struct Quotation *Quotes, struct RecentInfo *RecentInfo); __declspec(dllexport) int Notify(struct PluginNotification *notification); #ifdef __cplusplus #endif #endif Use code with caution. Step 2: Metadata and Initialization Logic ( plugin.cpp )