Implement process control cpp bindings

Author: jkcoxson

cpp/include/idevice++/process_control.hpp

@@ -0,0 +1,41 @@
+// Jackson Coxson
+
+#pragma once
+#include <idevice++/bindings.hpp>
+#include <idevice++/remote_server.hpp>
+#include <idevice++/result.hpp>
+#include <memory>
+
+namespace IdeviceFFI {
+
+using ProcessControlPtr =
+    std::unique_ptr<ProcessControlHandle, FnDeleter<ProcessControlHandle, process_control_free>>;
+
+class ProcessControl {
+  public:
+    // Factory: borrows the RemoteServer; not consumed
+    static Result<ProcessControl, FfiError> create(RemoteServer& server);
+
+    Result<u_int64_t, FfiError>             launch_app(std::string                      bundle_id,
+                                                       Option<std::vector<std::string>> env_vars,
+                                                       Option<std::vector<std::string>> arguments,
+                                                       bool                             start_suspended,
+                                                       bool                             kill_existing);
+    Result<void, FfiError>                  kill_app(u_int64_t pid);
+    Result<void, FfiError>                  disable_memory_limit(u_int64_t pid);
+
+    ~ProcessControl() noexcept                             = default;
+    ProcessControl(ProcessControl&&) noexcept              = default;
+    ProcessControl& operator=(ProcessControl&&) noexcept   = default;
+    ProcessControl(const ProcessControl&)                  = delete;
+    ProcessControl&       operator=(const ProcessControl&) = delete;
+
+    ProcessControlHandle* raw() const noexcept { return handle_.get(); }
+    static ProcessControl adopt(ProcessControlHandle* h) noexcept { return ProcessControl(h); }
+
+  private:
+    explicit ProcessControl(ProcessControlHandle* h) noexcept : handle_(h) {}
+    ProcessControlPtr handle_{};
+};
+
+} // namespace IdeviceFFI

cpp/src/process_control.cpp

@@ -0,0 +1,73 @@
+// Jackson Coxson
+
+#include <idevice++/process_control.hpp>
+
+namespace IdeviceFFI {
+
+Result<ProcessControl, FfiError> ProcessControl::create(RemoteServer& server) {
+    ProcessControlHandle* out = nullptr;
+    FfiError              e(::process_control_new(server.raw(), &out));
+    if (e) {
+        return Err(e);
+    }
+    return Ok(ProcessControl::adopt(out));
+}
+
+Result<u_int64_t, FfiError> ProcessControl::launch_app(std::string                      bundle_id,
+                                                       Option<std::vector<std::string>> env_vars,
+                                                       Option<std::vector<std::string>> arguments,
+                                                       bool start_suspended,
+                                                       bool kill_existing) {
+    std::vector<const char*> c_env_vars;
+    size_t                   env_vars_len = 0;
+    if (env_vars.is_some()) {
+        c_env_vars.reserve(env_vars.unwrap().size());
+        for (auto& a : env_vars.unwrap()) {
+            c_env_vars.push_back(a.c_str());
+        }
+    }
+
+    std::vector<const char*> c_arguments;
+    size_t                   arguments_len = 0;
+    if (arguments.is_some()) {
+        c_arguments.reserve(arguments.unwrap().size());
+        for (auto& a : arguments.unwrap()) {
+            c_arguments.push_back(a.c_str());
+        }
+    }
+
+    u_int64_t pid = 0;
+
+    FfiError  e(::process_control_launch_app(
+        handle_.get(),
+        bundle_id.c_str(),
+        c_env_vars.empty() ? nullptr : const_cast<const char* const*>(c_env_vars.data()),
+        env_vars_len,
+        c_arguments.empty() ? nullptr : const_cast<const char* const*>(c_arguments.data()),
+        arguments_len,
+        start_suspended,
+        kill_existing,
+        &pid));
+    if (e) {
+        return Err(e);
+    }
+    return Ok(pid);
+}
+
+Result<void, FfiError> ProcessControl::kill_app(u_int64_t pid) {
+    FfiError e(::process_control_kill_app(handle_.get(), pid));
+    if (e) {
+        return Err(e);
+    }
+    return Ok();
+}
+
+Result<void, FfiError> ProcessControl::disable_memory_limit(u_int64_t pid) {
+    FfiError e(::process_control_disable_memory_limit(handle_.get(), pid));
+    if (e) {
+        return Err(e);
+    }
+    return Ok();
+}
+
+} // namespace IdeviceFFI