92 lines
2.1 KiB
Markdown
92 lines
2.1 KiB
Markdown
# Process Monitor
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Simple Windows C++ application that checks running processes every 30 seconds
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and sends one HTTP heartbeat with all matching processes.
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## What it does
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- Enumerates running Windows processes via ToolHelp API
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- Finds processes by partial name match
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- Sends one JSON payload with all currently matched processes
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- Builds with CMake without external runtime dependencies
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## Expected payload
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The application sends HTTP `POST` with `Content-Type: application/json`.
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```json
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{
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"machine_name": "PC-01",
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"status": "running",
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"detected_at": "2026-03-27T12:34:56Z",
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"processes": ["notepad.exe", "notepad++.exe"]
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}
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```
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If `api_token` is set, request header `Authorization: Bearer <token>` is added.
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If no process matches in a cycle, the application still sends a heartbeat, but without the `processes` field:
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```json
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{
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"machine_name": "PC-01",
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"status": "running",
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"detected_at": "2026-03-27T12:34:56Z"
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}
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```
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## Configuration
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Edit `process-monitor.conf`.
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```ini
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api_url=http://10.0.0.147/hb/api
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api_token=
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machine_name=
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interval_seconds=30
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request_timeout_seconds=2
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process_names=fortnite,chrome,discord,steam
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```
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Notes:
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- `machine_name` is optional; if empty, Windows computer name is used
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- `process_names` is a comma-separated list of substrings to search in executable names
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- `interval_seconds` can be changed from the default `30`
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- `request_timeout_seconds` sets WinHTTP connect/send/receive timeout in seconds
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## Build
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Developer Command Prompt for Visual Studio:
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```powershell
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cmake -S . -B build
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cmake --build build --config Release
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```
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Or with Ninja if you have a compiler environment ready:
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```powershell
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cmake -S . -B build -G Ninja
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cmake --build build
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```
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## Run
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```powershell
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.\build\Release\process-monitor.exe
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```
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Or specify custom config path:
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```powershell
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.\build\Release\process-monitor.exe .\my-config.conf
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```
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## Next useful improvements
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- Run as Windows service
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- Add retry/backoff for failed API calls
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- Add richer payload items if your API needs both matched pattern and actual process name
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- Load config from JSON/YAML if richer metadata is needed
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