Add compiled model functions (#115)

* Add compiled model functions

Co-authored-by: Bradley Odell <btodell@hotmail.com>

* renamed with get_ and misc

* Rewrite comment

Co-authored-by: Andrew Brown <andrew.brown@intel.com>

* Rewrite comment

Co-authored-by: Andrew Brown <andrew.brown@intel.com>

---------

Co-authored-by: Bradley Odell <btodell@hotmail.com>
Co-authored-by: Andrew Brown <andrew.brown@intel.com>

crates/openvino/src/model.rs

@@ -4,14 +4,20 @@
 
 use crate::node::Node;
 use crate::request::InferRequest;
-use crate::{drop_using_function, try_unsafe, util::Result};
+use crate::{cstr, drop_using_function, try_unsafe, util::Result, PropertyKey, RwPropertyKey};
 use openvino_sys::{
-    ov_compiled_model_create_infer_request, ov_compiled_model_free, ov_compiled_model_t,
+    ov_compiled_model_create_infer_request, ov_compiled_model_free, ov_compiled_model_get_property,
+    ov_compiled_model_get_runtime_model, ov_compiled_model_input, ov_compiled_model_input_by_index,
+    ov_compiled_model_input_by_name, ov_compiled_model_inputs_size, ov_compiled_model_output,
+    ov_compiled_model_output_by_index, ov_compiled_model_output_by_name,
+    ov_compiled_model_outputs_size, ov_compiled_model_set_property, ov_compiled_model_t,
     ov_model_const_input_by_index, ov_model_const_output_by_index, ov_model_free,
     ov_model_inputs_size, ov_model_is_dynamic, ov_model_outputs_size, ov_model_t,
 };
+use std::borrow::Cow;
+use std::ffi::CStr;
 
-/// See [`Model`](https://docs.openvino.ai/2023.3/api/c_cpp_api/group__ov__model__c__api.html).
+/// See [`Model`](https://docs.openvino.ai/2024/api/c_cpp_api/group__ov__model__c__api.html).
 pub struct Model {
     ptr: *mut ov_model_t,
 }
@@ -107,4 +113,119 @@ impl CompiledModel {
         ))?;
         Ok(InferRequest::from_ptr(infer_request))
     }
+
+    /// Get the number of inputs of the compiled model.
+    pub fn get_input_size(&self) -> Result<usize> {
+        let mut input_size: usize = 0;
+        try_unsafe!(ov_compiled_model_inputs_size(self.ptr, &mut input_size))?;
+        Ok(input_size)
+    }
+
+    /// Get the single input port of the compiled model, which we expect to have only one input.
+    pub fn get_input(&self) -> Result<Node> {
+        let mut port = std::ptr::null_mut();
+        try_unsafe!(ov_compiled_model_input(
+            self.ptr,
+            std::ptr::addr_of_mut!(port)
+        ))?;
+        Ok(Node::new(port))
+    }
+
+    /// Get an input port of the compiled model by port index.
+    pub fn get_input_by_index(&self, index: usize) -> Result<Node> {
+        let mut port = std::ptr::null_mut();
+        try_unsafe!(ov_compiled_model_input_by_index(
+            self.ptr,
+            index,
+            std::ptr::addr_of_mut!(port)
+        ))?;
+        Ok(Node::new(port))
+    }
+
+    /// Get an input port of the compiled model by name.
+    pub fn get_input_by_name(&self, name: &str) -> Result<Node> {
+        let name = cstr!(name);
+        let mut port = std::ptr::null_mut();
+        try_unsafe!(ov_compiled_model_input_by_name(
+            self.ptr,
+            name,
+            std::ptr::addr_of_mut!(port)
+        ))?;
+        Ok(Node::new(port))
+    }
+
+    /// Get the number of outputs of the compiled model.
+    pub fn get_output_size(&self) -> Result<usize> {
+        let mut output_size: usize = 0;
+        try_unsafe!(ov_compiled_model_outputs_size(self.ptr, &mut output_size))?;
+        Ok(output_size)
+    }
+
+    /// Get the single output port of the compiled model, which we expect to have a single output.
+    pub fn get_output(&self) -> Result<Node> {
+        let mut port = std::ptr::null_mut();
+        try_unsafe!(ov_compiled_model_output(
+            self.ptr,
+            std::ptr::addr_of_mut!(port)
+        ))?;
+        Ok(Node::new(port))
+    }
+
+    /// Get an output port of the compiled model by port index.
+    pub fn get_output_by_index(&self, index: usize) -> Result<Node> {
+        let mut port = std::ptr::null_mut();
+        try_unsafe!(ov_compiled_model_output_by_index(
+            self.ptr,
+            index,
+            std::ptr::addr_of_mut!(port)
+        ))?;
+        Ok(Node::new(port))
+    }
+
+    /// Get an output port of the compiled model by name.
+    pub fn get_output_by_name(&self, name: &str) -> Result<Node> {
+        let name = cstr!(name);
+        let mut port = std::ptr::null_mut();
+        try_unsafe!(ov_compiled_model_output_by_name(
+            self.ptr,
+            name,
+            std::ptr::addr_of_mut!(port)
+        ))?;
+        Ok(Node::new(port))
+    }
+
+    /// Gets runtime model information from a device.
+    pub fn get_runtime_model(&self) -> Result<Model> {
+        let mut ptr = std::ptr::null_mut();
+        try_unsafe!(ov_compiled_model_get_runtime_model(
+            self.ptr,
+            std::ptr::addr_of_mut!(ptr)
+        ))?;
+        Ok(Model { ptr })
+    }
+
+    /// Gets a property for the compiled model.
+    pub fn get_property(&self, key: PropertyKey) -> Result<Cow<str>> {
+        let ov_prop_key = cstr!(key.as_ref());
+        let mut ov_prop_value = std::ptr::null_mut();
+        try_unsafe!(ov_compiled_model_get_property(
+            self.ptr,
+            ov_prop_key,
+            std::ptr::addr_of_mut!(ov_prop_value)
+        ))?;
+        let rust_prop = unsafe { CStr::from_ptr(ov_prop_value) }.to_string_lossy();
+        Ok(rust_prop)
+    }
+
+    /// Sets a property for the compiled model.
+    pub fn set_property(&mut self, key: RwPropertyKey, value: &str) -> Result<()> {
+        let ov_prop_key = cstr!(key.as_ref());
+        let ov_prop_value = cstr!(value);
+        try_unsafe!(ov_compiled_model_set_property(
+            self.ptr,
+            ov_prop_key,
+            ov_prop_value,
+        ))?;
+        Ok(())
+    }
 }