diff options
Diffstat (limited to 'utils/codegen/ipc/generators/libcamera_templates')
11 files changed, 1434 insertions, 0 deletions
diff --git a/utils/codegen/ipc/generators/libcamera_templates/core_ipa_interface.h.tmpl b/utils/codegen/ipc/generators/libcamera_templates/core_ipa_interface.h.tmpl new file mode 100644 index 00000000..7f2d0810 --- /dev/null +++ b/utils/codegen/ipc/generators/libcamera_templates/core_ipa_interface.h.tmpl @@ -0,0 +1,37 @@ +{#- + # SPDX-License-Identifier: LGPL-2.1-or-later + # Copyright (C) 2020, Google Inc. +-#} +{%- import "definition_functions.tmpl" as funcs -%} +/* SPDX-License-Identifier: LGPL-2.1-or-later */ +/* + * Copyright (C) 2020, Google Inc. + * + * libcamera core definitions for Image Processing Algorithms + * + * This file is auto-generated. Do not edit. + */ + +#pragma once + +{% if has_map %}#include <map>{% endif %} +{% if has_array %}#include <vector>{% endif %} + +#include <libcamera/ipa/ipa_interface.h> + +namespace libcamera { + +{# \todo Use const char * instead of std::string for strings #} +{% for const in consts %} +static const {{const.kind|name}} {{const.mojom_name}} = {{const.value}}; +{% endfor %} + +{% for enum in enums_gen_header %} +{{funcs.define_enum(enum)}} +{% endfor %} + +{%- for struct in structs_gen_header %} +{{funcs.define_struct(struct)}} +{% endfor %} + +} /* namespace libcamera */ diff --git a/utils/codegen/ipc/generators/libcamera_templates/core_ipa_serializer.h.tmpl b/utils/codegen/ipc/generators/libcamera_templates/core_ipa_serializer.h.tmpl new file mode 100644 index 00000000..036518f6 --- /dev/null +++ b/utils/codegen/ipc/generators/libcamera_templates/core_ipa_serializer.h.tmpl @@ -0,0 +1,44 @@ +{#- + # SPDX-License-Identifier: LGPL-2.1-or-later + # Copyright (C) 2020, Google Inc. +-#} +{%- import "serializer.tmpl" as serializer -%} + +/* SPDX-License-Identifier: LGPL-2.1-or-later */ +/* + * Copyright (C) 2020, Google Inc. + * + * Data serializer for core libcamera definitions for IPA + * + * This file is auto-generated. Do not edit. + */ + +#pragma once + +#include <tuple> +#include <vector> + +#include <libcamera/ipa/core_ipa_interface.h> + +#include "libcamera/internal/control_serializer.h" +#include "libcamera/internal/ipa_data_serializer.h" + +namespace libcamera { + +LOG_DECLARE_CATEGORY(IPADataSerializer) +{% for struct in structs_gen_serializer %} +template<> +class IPADataSerializer<{{struct|name}}> +{ +public: +{{- serializer.serializer(struct, "")}} +{%- if struct|has_fd %} +{{serializer.deserializer_fd(struct, "")}} +{%- else %} +{{serializer.deserializer_no_fd(struct, "")}} +{{serializer.deserializer_fd_simple(struct, "")}} +{%- endif %} +}; +{% endfor %} + +} /* namespace libcamera */ diff --git a/utils/codegen/ipc/generators/libcamera_templates/definition_functions.tmpl b/utils/codegen/ipc/generators/libcamera_templates/definition_functions.tmpl new file mode 100644 index 00000000..8b8509f3 --- /dev/null +++ b/utils/codegen/ipc/generators/libcamera_templates/definition_functions.tmpl @@ -0,0 +1,56 @@ +{#- + # SPDX-License-Identifier: LGPL-2.1-or-later + # Copyright (C) 2020, Google Inc. +-#} + +{# + # \brief Generate enum definition + # + # \param enum Enum object whose definition is to be generated + #} +{%- macro define_enum(enum) -%} +enum{{" class" if enum|is_scoped}} {{enum.mojom_name}} { +{%- for field in enum.fields %} + {{field.mojom_name}} = {{field.numeric_value}}, +{%- endfor %} +}; +{%- endmacro -%} + +{# + # \brief Generate struct definition + # + # \param struct Struct object whose definition is to be generated + #} +{%- macro define_struct(struct) -%} +struct {{struct.mojom_name}} +{ +public: +#ifndef __DOXYGEN__ + {{struct.mojom_name}}() {%- if struct|has_default_fields %} + :{% endif %} +{%- for field in struct.fields|with_default_values -%} +{{" " if loop.first}}{{field.mojom_name}}({{field|default_value}}){{", " if not loop.last}} +{%- endfor %} + { + } + + {{struct.mojom_name}}( +{%- for field in struct.fields -%} +{{"const " if not field|is_pod}}{{field|name}} {{"&" if not field|is_pod}}_{{field.mojom_name}}{{", " if not loop.last}} +{%- endfor -%} +) + : +{%- for field in struct.fields -%} +{{" " if loop.first}}{{field.mojom_name}}(_{{field.mojom_name}}){{", " if not loop.last}} +{%- endfor %} + { + } +#endif + +{% for field in struct.fields %} + {{field|name}} {{field.mojom_name}}; +{%- endfor %} +}; +{%- endmacro -%} + + diff --git a/utils/codegen/ipc/generators/libcamera_templates/meson.build b/utils/codegen/ipc/generators/libcamera_templates/meson.build new file mode 100644 index 00000000..70664eab --- /dev/null +++ b/utils/codegen/ipc/generators/libcamera_templates/meson.build @@ -0,0 +1,14 @@ +# SPDX-License-Identifier: CC0-1.0 + +mojom_template_files = files([ + 'core_ipa_interface.h.tmpl', + 'core_ipa_serializer.h.tmpl', + 'definition_functions.tmpl', + 'module_ipa_interface.h.tmpl', + 'module_ipa_proxy.cpp.tmpl', + 'module_ipa_proxy.h.tmpl', + 'module_ipa_proxy_worker.cpp.tmpl', + 'module_ipa_serializer.h.tmpl', + 'proxy_functions.tmpl', + 'serializer.tmpl', +]) diff --git a/utils/codegen/ipc/generators/libcamera_templates/module_ipa_interface.h.tmpl b/utils/codegen/ipc/generators/libcamera_templates/module_ipa_interface.h.tmpl new file mode 100644 index 00000000..4d88a3d7 --- /dev/null +++ b/utils/codegen/ipc/generators/libcamera_templates/module_ipa_interface.h.tmpl @@ -0,0 +1,84 @@ +{#- + # SPDX-License-Identifier: LGPL-2.1-or-later + # Copyright (C) 2020, Google Inc. +-#} +{%- import "definition_functions.tmpl" as funcs -%} +/* SPDX-License-Identifier: LGPL-2.1-or-later */ +/* + * Copyright (C) 2020, Google Inc. + * + * Image Processing Algorithm interface for {{module_name}} + * + * This file is auto-generated. Do not edit. + */ + +#pragma once + +#include <libcamera/ipa/core_ipa_interface.h> +#include <libcamera/ipa/ipa_interface.h> + +{% if has_map %}#include <map>{% endif %} +{% if has_array %}#include <vector>{% endif %} + +namespace libcamera { +{%- if has_namespace %} +{% for ns in namespace %} +namespace {{ns}} { +{% endfor %} +{%- endif %} + +{% for const in consts %} +const {{const.kind|name}} {{const.mojom_name}} = {{const.value}}; +{% endfor %} + +enum class {{cmd_enum_name}} { + Exit = 0, +{%- for method in interface_main.methods %} + {{method.mojom_name|cap}} = {{loop.index}}, +{%- endfor %} +}; + +enum class {{cmd_event_enum_name}} { +{%- for method in interface_event.methods %} + {{method.mojom_name|cap}} = {{loop.index}}, +{%- endfor %} +}; + +{% for enum in enums %} +{{funcs.define_enum(enum)}} +{% endfor %} + +{%- for struct in structs_nonempty %} +{{funcs.define_struct(struct)}} +{% endfor %} + +{#- +Any consts or #defines should be moved to the mojom file. +#} +class {{interface_name}} : public IPAInterface +{ +public: +{% for method in interface_main.methods %} + virtual {{method|method_return_value}} {{method.mojom_name}}( +{%- for param in method|method_parameters %} + {{param}}{{- "," if not loop.last}} +{%- endfor -%} +) = 0; +{% endfor %} + +{%- for method in interface_event.methods %} + Signal< +{%- for param in method.parameters -%} + {{"const " if not param|is_pod}}{{param|name}}{{" &" if not param|is_pod and not param|is_enum}} + {{- ", " if not loop.last}} +{%- endfor -%} +> {{method.mojom_name}}; +{% endfor -%} +}; + +{%- if has_namespace %} +{% for ns in namespace|reverse %} +} /* namespace {{ns}} */ +{% endfor %} +{%- endif %} +} /* namespace libcamera */ diff --git a/utils/codegen/ipc/generators/libcamera_templates/module_ipa_proxy.cpp.tmpl b/utils/codegen/ipc/generators/libcamera_templates/module_ipa_proxy.cpp.tmpl new file mode 100644 index 00000000..ce3cc5ab --- /dev/null +++ b/utils/codegen/ipc/generators/libcamera_templates/module_ipa_proxy.cpp.tmpl @@ -0,0 +1,255 @@ +{#- + # SPDX-License-Identifier: LGPL-2.1-or-later + # Copyright (C) 2020, Google Inc. +-#} +{%- import "proxy_functions.tmpl" as proxy_funcs -%} + +/* SPDX-License-Identifier: LGPL-2.1-or-later */ +/* + * Copyright (C) 2020, Google Inc. + * + * Image Processing Algorithm proxy for {{module_name}} + * + * This file is auto-generated. Do not edit. + */ + +#include <libcamera/ipa/{{module_name}}_ipa_proxy.h> + +#include <memory> +#include <string> +#include <vector> + +#include <libcamera/ipa/ipa_module_info.h> +#include <libcamera/ipa/{{module_name}}_ipa_interface.h> +#include <libcamera/ipa/{{module_name}}_ipa_serializer.h> + +#include <libcamera/base/log.h> +#include <libcamera/base/thread.h> + +#include "libcamera/internal/control_serializer.h" +#include "libcamera/internal/ipa_data_serializer.h" +#include "libcamera/internal/ipa_module.h" +#include "libcamera/internal/ipa_proxy.h" +#include "libcamera/internal/ipc_pipe.h" +#include "libcamera/internal/ipc_pipe_unixsocket.h" +#include "libcamera/internal/ipc_unixsocket.h" +#include "libcamera/internal/process.h" + +namespace libcamera { + +LOG_DECLARE_CATEGORY(IPAProxy) + +{%- if has_namespace %} +{% for ns in namespace %} +namespace {{ns}} { +{% endfor %} +{%- endif %} + +{{proxy_name}}::{{proxy_name}}(IPAModule *ipam, bool isolate) + : IPAProxy(ipam), isolate_(isolate), + controlSerializer_(ControlSerializer::Role::Proxy), seq_(0) +{ + LOG(IPAProxy, Debug) + << "initializing {{module_name}} proxy: loading IPA from " + << ipam->path(); + + if (isolate_) { + const std::string proxyWorkerPath = resolvePath("{{module_name}}_ipa_proxy"); + if (proxyWorkerPath.empty()) { + LOG(IPAProxy, Error) + << "Failed to get proxy worker path"; + return; + } + + ipc_ = std::make_unique<IPCPipeUnixSocket>(ipam->path().c_str(), + proxyWorkerPath.c_str()); + if (!ipc_->isConnected()) { + LOG(IPAProxy, Error) << "Failed to create IPCPipe"; + return; + } + + ipc_->recv.connect(this, &{{proxy_name}}::recvMessage); + + valid_ = true; + return; + } + + if (!ipam->load()) + return; + + IPAInterface *ipai = ipam->createInterface(); + if (!ipai) { + LOG(IPAProxy, Error) + << "Failed to create IPA context for " << ipam->path(); + return; + } + + ipa_ = std::unique_ptr<{{interface_name}}>(static_cast<{{interface_name}} *>(ipai)); + proxy_.setIPA(ipa_.get()); + +{% for method in interface_event.methods %} + ipa_->{{method.mojom_name}}.connect(this, &{{proxy_name}}::{{method.mojom_name}}Thread); +{%- endfor %} + + valid_ = true; +} + +{{proxy_name}}::~{{proxy_name}}() +{ + if (isolate_) { + IPCMessage::Header header = + { static_cast<uint32_t>({{cmd_enum_name}}::Exit), seq_++ }; + IPCMessage msg(header); + ipc_->sendAsync(msg); + } +} + +{% if interface_event.methods|length > 0 %} +void {{proxy_name}}::recvMessage(const IPCMessage &data) +{ + size_t dataSize = data.data().size(); + {{cmd_event_enum_name}} _cmd = static_cast<{{cmd_event_enum_name}}>(data.header().cmd); + + switch (_cmd) { +{%- for method in interface_event.methods %} + case {{cmd_event_enum_name}}::{{method.mojom_name|cap}}: { + {{method.mojom_name}}IPC(data.data().cbegin(), dataSize, data.fds()); + break; + } +{%- endfor %} + default: + LOG(IPAProxy, Error) << "Unknown command " << static_cast<uint32_t>(_cmd); + } +} +{%- endif %} + +{% for method in interface_main.methods %} +{{proxy_funcs.func_sig(proxy_name, method)}} +{ + if (isolate_) + {{"return " if method|method_return_value != "void"}}{{method.mojom_name}}IPC( +{%- for param in method|method_param_names -%} + {{param}}{{- ", " if not loop.last}} +{%- endfor -%} +); + else + {{"return " if method|method_return_value != "void"}}{{method.mojom_name}}Thread( +{%- for param in method|method_param_names -%} + {{param}}{{- ", " if not loop.last}} +{%- endfor -%} +); +} + +{{proxy_funcs.func_sig(proxy_name, method, "Thread")}} +{ +{%- if method.mojom_name == "stop" %} + {{proxy_funcs.stop_thread_body()}} +{%- elif method.mojom_name == "init" %} + {{ method|method_return_value + " _ret = " if method|method_return_value != "void" -}} + ipa_->{{method.mojom_name}}( + {%- for param in method|method_param_names -%} + {{param}}{{- ", " if not loop.last}} + {%- endfor -%} +); + + proxy_.moveToThread(&thread_); + + return {{ "_ret" if method|method_return_value != "void" }}; +{%- elif method.mojom_name == "start" %} + state_ = ProxyRunning; + thread_.start(); + + {{ "return " if method|method_return_value != "void" -}} + proxy_.invokeMethod(&ThreadProxy::start, ConnectionTypeBlocking + {{- ", " if method|method_param_names}} + {%- for param in method|method_param_names -%} + {{param}}{{- ", " if not loop.last}} + {%- endfor -%} +); +{%- elif not method|is_async %} + {{ "return " if method|method_return_value != "void" -}} + ipa_->{{method.mojom_name}}( + {%- for param in method|method_param_names -%} + {{param}}{{- ", " if not loop.last}} + {%- endfor -%} +); +{% elif method|is_async %} + ASSERT(state_ == ProxyRunning); + proxy_.invokeMethod(&ThreadProxy::{{method.mojom_name}}, ConnectionTypeQueued + {%- for param in method|method_param_names -%} + , {{param}} + {%- endfor -%} +); +{%- endif %} +} + +{{proxy_funcs.func_sig(proxy_name, method, "IPC")}} +{ +{%- if method.mojom_name == "configure" %} + controlSerializer_.reset(); +{%- endif %} +{%- set has_output = true if method|method_param_outputs|length > 0 or method|method_return_value != "void" %} +{%- set cmd = cmd_enum_name + "::" + method.mojom_name|cap %} + IPCMessage::Header _header = { static_cast<uint32_t>({{cmd}}), seq_++ }; + IPCMessage _ipcInputBuf(_header); +{%- if has_output %} + IPCMessage _ipcOutputBuf; +{%- endif %} + +{{proxy_funcs.serialize_call(method|method_param_inputs, '_ipcInputBuf.data()', '_ipcInputBuf.fds()')}} + +{% if method|is_async %} + int _ret = ipc_->sendAsync(_ipcInputBuf); +{%- else %} + int _ret = ipc_->sendSync(_ipcInputBuf +{{- ", &_ipcOutputBuf" if has_output -}} +); +{%- endif %} + if (_ret < 0) { + LOG(IPAProxy, Error) << "Failed to call {{method.mojom_name}}"; +{%- if method|method_return_value != "void" %} + return static_cast<{{method|method_return_value}}>(_ret); +{%- else %} + return; +{%- endif %} + } +{% if method|method_return_value != "void" %} + {{method|method_return_value}} _retValue = IPADataSerializer<{{method|method_return_value}}>::deserialize(_ipcOutputBuf.data(), 0); + +{{proxy_funcs.deserialize_call(method|method_param_outputs, '_ipcOutputBuf.data()', '_ipcOutputBuf.fds()', init_offset = method|method_return_value|byte_width|int)}} + + return _retValue; + +{% elif method|method_param_outputs|length > 0 %} +{{proxy_funcs.deserialize_call(method|method_param_outputs, '_ipcOutputBuf.data()', '_ipcOutputBuf.fds()')}} +{% endif -%} +} + +{% endfor %} + +{% for method in interface_event.methods %} +{{proxy_funcs.func_sig(proxy_name, method, "Thread")}} +{ + ASSERT(state_ != ProxyStopped); + {{method.mojom_name}}.emit({{method.parameters|params_comma_sep}}); +} + +void {{proxy_name}}::{{method.mojom_name}}IPC( + [[maybe_unused]] std::vector<uint8_t>::const_iterator data, + [[maybe_unused]] size_t dataSize, + [[maybe_unused]] const std::vector<SharedFD> &fds) +{ +{%- for param in method.parameters %} + {{param|name}} {{param.mojom_name}}; +{%- endfor %} +{{proxy_funcs.deserialize_call(method.parameters, 'data', 'fds', false, false, true, 'dataSize')}} + {{method.mojom_name}}.emit({{method.parameters|params_comma_sep}}); +} +{% endfor %} + +{%- if has_namespace %} +{% for ns in namespace|reverse %} +} /* namespace {{ns}} */ +{% endfor %} +{%- endif %} +} /* namespace libcamera */ diff --git a/utils/codegen/ipc/generators/libcamera_templates/module_ipa_proxy.h.tmpl b/utils/codegen/ipc/generators/libcamera_templates/module_ipa_proxy.h.tmpl new file mode 100644 index 00000000..e213b18a --- /dev/null +++ b/utils/codegen/ipc/generators/libcamera_templates/module_ipa_proxy.h.tmpl @@ -0,0 +1,132 @@ +{#- + # SPDX-License-Identifier: LGPL-2.1-or-later + # Copyright (C) 2020, Google Inc. +-#} +{%- import "proxy_functions.tmpl" as proxy_funcs -%} + +/* SPDX-License-Identifier: LGPL-2.1-or-later */ +/* + * Copyright (C) 2020, Google Inc. + * + * Image Processing Algorithm proxy for {{module_name}} + * + * This file is auto-generated. Do not edit. + */ + +#pragma once + +#include <libcamera/ipa/ipa_interface.h> +#include <libcamera/ipa/{{module_name}}_ipa_interface.h> + +#include <libcamera/base/object.h> +#include <libcamera/base/thread.h> + +#include "libcamera/internal/control_serializer.h" +#include "libcamera/internal/ipa_proxy.h" +#include "libcamera/internal/ipc_pipe.h" +#include "libcamera/internal/ipc_pipe_unixsocket.h" +#include "libcamera/internal/ipc_unixsocket.h" + +namespace libcamera { +{%- if has_namespace %} +{% for ns in namespace %} +namespace {{ns}} { +{% endfor %} +{%- endif %} + +class {{proxy_name}} : public IPAProxy, public {{interface_name}}, public Object +{ +public: + {{proxy_name}}(IPAModule *ipam, bool isolate); + ~{{proxy_name}}(); + +{% for method in interface_main.methods %} +{{proxy_funcs.func_sig(proxy_name, method, "", false, true)|indent(8, true)}}; +{% endfor %} + +{%- for method in interface_event.methods %} + Signal< +{%- for param in method.parameters -%} + {{"const " if not param|is_pod}}{{param|name}}{{" &" if not param|is_pod and not param|is_enum}} + {{- ", " if not loop.last}} +{%- endfor -%} +> {{method.mojom_name}}; +{% endfor %} + +private: + void recvMessage(const IPCMessage &data); + +{% for method in interface_main.methods %} +{{proxy_funcs.func_sig(proxy_name, method, "Thread", false)|indent(8, true)}}; +{{proxy_funcs.func_sig(proxy_name, method, "IPC", false)|indent(8, true)}}; +{% endfor %} +{% for method in interface_event.methods %} +{{proxy_funcs.func_sig(proxy_name, method, "Thread", false)|indent(8, true)}}; + void {{method.mojom_name}}IPC( + std::vector<uint8_t>::const_iterator data, + size_t dataSize, + const std::vector<SharedFD> &fds); +{% endfor %} + + /* Helper class to invoke async functions in another thread. */ + class ThreadProxy : public Object + { + public: + ThreadProxy() + : ipa_(nullptr) + { + } + + void setIPA({{interface_name}} *ipa) + { + ipa_ = ipa; + } + + void stop() + { + ipa_->stop(); + } +{% for method in interface_main.methods %} +{%- if method|is_async %} + {{proxy_funcs.func_sig(proxy_name, method, "", false)|indent(16)}} + { + ipa_->{{method.mojom_name}}({{method.parameters|params_comma_sep}}); + } +{%- elif method.mojom_name == "start" %} + {{proxy_funcs.func_sig(proxy_name, method, "", false)|indent(16)}} + { +{%- if method|method_return_value != "void" %} + return ipa_->{{method.mojom_name}}({{method.parameters|params_comma_sep}}); +{%- else %} + ipa_->{{method.mojom_name}}({{method.parameters|params_comma_sep}} + {{- ", " if method|method_param_outputs|params_comma_sep -}} + {{- method|method_param_outputs|params_comma_sep}}); +{%- endif %} + } +{%- endif %} +{%- endfor %} + + private: + {{interface_name}} *ipa_; + }; + + Thread thread_; + ThreadProxy proxy_; + std::unique_ptr<{{interface_name}}> ipa_; + + const bool isolate_; + + std::unique_ptr<IPCPipeUnixSocket> ipc_; + + ControlSerializer controlSerializer_; + +{# \todo Move this to IPCPipe #} + uint32_t seq_; +}; + +{%- if has_namespace %} +{% for ns in namespace|reverse %} +} /* namespace {{ns}} */ +{% endfor %} +{%- endif %} +} /* namespace libcamera */ diff --git a/utils/codegen/ipc/generators/libcamera_templates/module_ipa_proxy_worker.cpp.tmpl b/utils/codegen/ipc/generators/libcamera_templates/module_ipa_proxy_worker.cpp.tmpl new file mode 100644 index 00000000..1f990d3f --- /dev/null +++ b/utils/codegen/ipc/generators/libcamera_templates/module_ipa_proxy_worker.cpp.tmpl @@ -0,0 +1,246 @@ +{#- + # SPDX-License-Identifier: LGPL-2.1-or-later + # Copyright (C) 2020, Google Inc. +-#} +{%- import "proxy_functions.tmpl" as proxy_funcs -%} + +/* SPDX-License-Identifier: LGPL-2.1-or-later */ +/* + * Copyright (C) 2020, Google Inc. + * + * Image Processing Algorithm proxy worker for {{module_name}} + * + * This file is auto-generated. Do not edit. + */ + +{#- \todo Split proxy worker into IPC worker and proxy worker. #} + +#include <algorithm> +#include <iostream> +#include <sys/types.h> +#include <tuple> +#include <unistd.h> + +#include <libcamera/ipa/ipa_interface.h> +#include <libcamera/ipa/{{module_name}}_ipa_interface.h> +#include <libcamera/ipa/{{module_name}}_ipa_serializer.h> +#include <libcamera/logging.h> + +#include <libcamera/base/event_dispatcher.h> +#include <libcamera/base/log.h> +#include <libcamera/base/thread.h> +#include <libcamera/base/unique_fd.h> + +#include "libcamera/internal/camera_sensor.h" +#include "libcamera/internal/control_serializer.h" +#include "libcamera/internal/ipa_data_serializer.h" +#include "libcamera/internal/ipa_module.h" +#include "libcamera/internal/ipa_proxy.h" +#include "libcamera/internal/ipc_pipe.h" +#include "libcamera/internal/ipc_pipe_unixsocket.h" +#include "libcamera/internal/ipc_unixsocket.h" + +using namespace libcamera; + +LOG_DEFINE_CATEGORY({{proxy_worker_name}}) + +{%- if has_namespace %} +{% for ns in namespace -%} +using namespace {{ns}}; +{% endfor %} +{%- endif %} + +class {{proxy_worker_name}} +{ +public: + {{proxy_worker_name}}() + : ipa_(nullptr), + controlSerializer_(ControlSerializer::Role::Worker), + exit_(false) {} + + ~{{proxy_worker_name}}() {} + + void readyRead() + { + IPCUnixSocket::Payload _message; + int _retRecv = socket_.receive(&_message); + if (_retRecv) { + LOG({{proxy_worker_name}}, Error) + << "Receive message failed: " << _retRecv; + return; + } + + IPCMessage _ipcMessage(_message); + + {{cmd_enum_name}} _cmd = static_cast<{{cmd_enum_name}}>(_ipcMessage.header().cmd); + + switch (_cmd) { + case {{cmd_enum_name}}::Exit: { + exit_ = true; + break; + } + +{% for method in interface_main.methods %} + case {{cmd_enum_name}}::{{method.mojom_name|cap}}: { +{%- if method.mojom_name == "configure" %} + controlSerializer_.reset(); +{%- endif %} + {{proxy_funcs.deserialize_call(method|method_param_inputs, '_ipcMessage.data()', '_ipcMessage.fds()', false, true)|indent(16, true)}} +{% for param in method|method_param_outputs %} + {{param|name}} {{param.mojom_name}}; +{% endfor %} +{%- if method|method_return_value != "void" %} + {{method|method_return_value}} _callRet = +{%- endif -%} + ipa_->{{method.mojom_name}}({{method.parameters|params_comma_sep}} +{{- ", " if method|method_param_outputs|params_comma_sep -}} +{%- for param in method|method_param_outputs -%} +&{{param.mojom_name}}{{", " if not loop.last}} +{%- endfor -%} +); +{% if not method|is_async %} + IPCMessage::Header header = { _ipcMessage.header().cmd, _ipcMessage.header().cookie }; + IPCMessage _response(header); +{%- if method|method_return_value != "void" %} + std::vector<uint8_t> _callRetBuf; + std::tie(_callRetBuf, std::ignore) = + IPADataSerializer<{{method|method_return_value}}>::serialize(_callRet); + _response.data().insert(_response.data().end(), _callRetBuf.cbegin(), _callRetBuf.cend()); +{%- endif %} + {{proxy_funcs.serialize_call(method|method_param_outputs, "_response.data()", "_response.fds()")|indent(16, true)}} + int _ret = socket_.send(_response.payload()); + if (_ret < 0) { + LOG({{proxy_worker_name}}, Error) + << "Reply to {{method.mojom_name}}() failed: " << _ret; + } + LOG({{proxy_worker_name}}, Debug) << "Done replying to {{method.mojom_name}}()"; +{%- endif %} + break; + } +{% endfor %} + default: + LOG({{proxy_worker_name}}, Error) << "Unknown command " << _ipcMessage.header().cmd; + } + } + + int init(std::unique_ptr<IPAModule> &ipam, UniqueFD socketfd) + { + if (socket_.bind(std::move(socketfd)) < 0) { + LOG({{proxy_worker_name}}, Error) + << "IPC socket binding failed"; + return EXIT_FAILURE; + } + socket_.readyRead.connect(this, &{{proxy_worker_name}}::readyRead); + + ipa_ = dynamic_cast<{{interface_name}} *>(ipam->createInterface()); + if (!ipa_) { + LOG({{proxy_worker_name}}, Error) + << "Failed to create IPA interface instance"; + return EXIT_FAILURE; + } +{% for method in interface_event.methods %} + ipa_->{{method.mojom_name}}.connect(this, &{{proxy_worker_name}}::{{method.mojom_name}}); +{%- endfor %} + return 0; + } + + void run() + { + EventDispatcher *dispatcher = Thread::current()->eventDispatcher(); + while (!exit_) + dispatcher->processEvents(); + } + + void cleanup() + { + delete ipa_; + socket_.close(); + } + +private: + +{% for method in interface_event.methods %} +{{proxy_funcs.func_sig(proxy_name, method, "", false)|indent(8, true)}} + { + IPCMessage::Header header = { + static_cast<uint32_t>({{cmd_event_enum_name}}::{{method.mojom_name|cap}}), + 0 + }; + IPCMessage _message(header); + + {{proxy_funcs.serialize_call(method|method_param_inputs, "_message.data()", "_message.fds()")}} + + int _ret = socket_.send(_message.payload()); + if (_ret < 0) + LOG({{proxy_worker_name}}, Error) + << "Sending event {{method.mojom_name}}() failed: " << _ret; + + LOG({{proxy_worker_name}}, Debug) << "{{method.mojom_name}} done"; + } +{% endfor %} + + {{interface_name}} *ipa_; + IPCUnixSocket socket_; + + ControlSerializer controlSerializer_; + + bool exit_; +}; + +int main(int argc, char **argv) +{ +{#- \todo Handle enabling debugging more dynamically. #} + /* Uncomment this for debugging. */ +#if 0 + std::string logPath = "/tmp/libcamera.worker." + + std::to_string(getpid()) + ".log"; + logSetFile(logPath.c_str()); +#endif + + if (argc < 3) { + LOG({{proxy_worker_name}}, Error) + << "Tried to start worker with no args: " + << "expected <path to IPA so> <fd to bind unix socket>"; + return EXIT_FAILURE; + } + + UniqueFD fd(std::stoi(argv[2])); + LOG({{proxy_worker_name}}, Info) + << "Starting worker for IPA module " << argv[1] + << " with IPC fd = " << fd.get(); + + std::unique_ptr<IPAModule> ipam = std::make_unique<IPAModule>(argv[1]); + if (!ipam->isValid() || !ipam->load()) { + LOG({{proxy_worker_name}}, Error) + << "IPAModule " << argv[1] << " isn't valid"; + return EXIT_FAILURE; + } + + /* + * Shutdown of proxy worker can be pre-empted by events like + * SIGINT/SIGTERM, even before the pipeline handler can request + * shutdown. Hence, assign a new gid to prevent signals on the + * application being delivered to the proxy. + */ + if (setpgid(0, 0) < 0) { + int err = errno; + LOG({{proxy_worker_name}}, Warning) + << "Failed to set new gid: " << strerror(err); + } + + {{proxy_worker_name}} proxyWorker; + int ret = proxyWorker.init(ipam, std::move(fd)); + if (ret < 0) { + LOG({{proxy_worker_name}}, Error) + << "Failed to initialize proxy worker"; + return ret; + } + + LOG({{proxy_worker_name}}, Debug) << "Proxy worker successfully initialized"; + + proxyWorker.run(); + + proxyWorker.cleanup(); + + return 0; +} diff --git a/utils/codegen/ipc/generators/libcamera_templates/module_ipa_serializer.h.tmpl b/utils/codegen/ipc/generators/libcamera_templates/module_ipa_serializer.h.tmpl new file mode 100644 index 00000000..cd5a65a9 --- /dev/null +++ b/utils/codegen/ipc/generators/libcamera_templates/module_ipa_serializer.h.tmpl @@ -0,0 +1,45 @@ +{#- + # SPDX-License-Identifier: LGPL-2.1-or-later + # Copyright (C) 2020, Google Inc. +-#} +{%- import "serializer.tmpl" as serializer -%} + +/* SPDX-License-Identifier: LGPL-2.1-or-later */ +/* + * Copyright (C) 2020, Google Inc. + * + * Image Processing Algorithm data serializer for {{module_name}} + * + * This file is auto-generated. Do not edit. + */ + +#pragma once + +#include <tuple> +#include <vector> + +#include <libcamera/ipa/{{module_name}}_ipa_interface.h> +#include <libcamera/ipa/core_ipa_serializer.h> + +#include "libcamera/internal/control_serializer.h" +#include "libcamera/internal/ipa_data_serializer.h" + +namespace libcamera { + +LOG_DECLARE_CATEGORY(IPADataSerializer) +{% for struct in structs_nonempty %} +template<> +class IPADataSerializer<{{struct|name_full}}> +{ +public: +{{- serializer.serializer(struct, namespace_str)}} +{%- if struct|has_fd %} +{{serializer.deserializer_fd(struct, namespace_str)}} +{%- else %} +{{serializer.deserializer_no_fd(struct, namespace_str)}} +{{serializer.deserializer_fd_simple(struct, namespace_str)}} +{%- endif %} +}; +{% endfor %} + +} /* namespace libcamera */ diff --git a/utils/codegen/ipc/generators/libcamera_templates/proxy_functions.tmpl b/utils/codegen/ipc/generators/libcamera_templates/proxy_functions.tmpl new file mode 100644 index 00000000..b5797b14 --- /dev/null +++ b/utils/codegen/ipc/generators/libcamera_templates/proxy_functions.tmpl @@ -0,0 +1,202 @@ +{#- + # SPDX-License-Identifier: LGPL-2.1-or-later + # Copyright (C) 2020, Google Inc. +-#} +{# + # \brief Generate function prototype + # + # \param class Class name + # \param method mojom Method object + # \param suffix Suffix to append to \a method function name + # \param need_class_name If true, generate class name with function + # \param override If true, generate override tag after the function prototype + #} +{%- macro func_sig(class, method, suffix = "", need_class_name = true, override = false) -%} +{{method|method_return_value}} {{class + "::" if need_class_name}}{{method.mojom_name}}{{suffix}}( +{%- for param in method|method_parameters %} + {{param}}{{- "," if not loop.last}} +{%- endfor -%} +){{" override" if override}} +{%- endmacro -%} + +{# + # \brief Generate function body for IPA stop() function for thread + #} +{%- macro stop_thread_body() -%} + ASSERT(state_ != ProxyStopping); + if (state_ != ProxyRunning) + return; + + state_ = ProxyStopping; + + proxy_.invokeMethod(&ThreadProxy::stop, ConnectionTypeBlocking); + + thread_.exit(); + thread_.wait(); + + Thread::current()->dispatchMessages(Message::Type::InvokeMessage); + + state_ = ProxyStopped; +{%- endmacro -%} + + +{# + # \brief Serialize multiple objects into data buffer and fd vector + # + # Generate code to serialize multiple objects, as specified in \a params + # (which are the parameters to some function), into \a buf data buffer and + # \a fds fd vector. + # This code is meant to be used by the proxy, for serializing prior to IPC calls. + # + # \todo Avoid intermediate vectors + #} +{%- macro serialize_call(params, buf, fds) %} +{%- for param in params %} +{%- if param|is_enum %} + static_assert(sizeof({{param|name_full}}) <= 4); +{%- endif %} + std::vector<uint8_t> {{param.mojom_name}}Buf; +{%- if param|has_fd %} + std::vector<SharedFD> {{param.mojom_name}}Fds; + std::tie({{param.mojom_name}}Buf, {{param.mojom_name}}Fds) = +{%- else %} + std::tie({{param.mojom_name}}Buf, std::ignore) = +{%- endif %} +{%- if param|is_flags %} + IPADataSerializer<{{param|name_full}}>::serialize({{param.mojom_name}} +{%- elif param|is_enum %} + IPADataSerializer<uint32_t>::serialize(static_cast<uint32_t>({{param.mojom_name}}) +{%- else %} + IPADataSerializer<{{param|name}}>::serialize({{param.mojom_name}} +{% endif -%} +{{- ", &controlSerializer_" if param|needs_control_serializer -}} +); +{%- endfor %} + +{%- if params|length > 1 %} +{%- for param in params %} + appendPOD<uint32_t>({{buf}}, {{param.mojom_name}}Buf.size()); +{%- if param|has_fd %} + appendPOD<uint32_t>({{buf}}, {{param.mojom_name}}Fds.size()); +{%- endif %} +{%- endfor %} +{%- endif %} + +{%- for param in params %} + {{buf}}.insert({{buf}}.end(), {{param.mojom_name}}Buf.begin(), {{param.mojom_name}}Buf.end()); +{%- endfor %} + +{%- for param in params %} +{%- if param|has_fd %} + {{fds}}.insert({{fds}}.end(), {{param.mojom_name}}Fds.begin(), {{param.mojom_name}}Fds.end()); +{%- endif %} +{%- endfor %} +{%- endmacro -%} + + +{# + # \brief Deserialize a single object from data buffer and fd vector + # + # \param pointer If true, deserialize the object into a dereferenced pointer + # \param iter If true, treat \a buf as an iterator instead of a vector + # \param data_size Variable that holds the size of the vector referenced by \a buf + # + # Generate code to deserialize a single object, as specified in \a param, + # from \a buf data buffer and \a fds fd vector. + # This code is meant to be used by macro deserialize_call. + #} +{%- macro deserialize_param(param, pointer, loop, buf, fds, iter, data_size) -%} +{{"*" if pointer}}{{param.mojom_name}} = +{%- if param|is_flags %} +IPADataSerializer<{{param|name_full}}>::deserialize( +{%- elif param|is_enum %} +static_cast<{{param|name_full}}>(IPADataSerializer<uint32_t>::deserialize( +{%- else %} +IPADataSerializer<{{param|name}}>::deserialize( +{%- endif %} + {{buf}}{{- ".cbegin()" if not iter}} + {{param.mojom_name}}Start, +{%- if loop.last and not iter %} + {{buf}}.cend() +{%- elif not iter %} + {{buf}}.cbegin() + {{param.mojom_name}}Start + {{param.mojom_name}}BufSize +{%- elif iter and loop.length == 1 %} + {{buf}} + {{data_size}} +{%- else %} + {{buf}} + {{param.mojom_name}}Start + {{param.mojom_name}}BufSize +{%- endif -%} +{{- "," if param|has_fd}} +{%- if param|has_fd %} + {{fds}}.cbegin() + {{param.mojom_name}}FdStart, +{%- if loop.last %} + {{fds}}.cend() +{%- else %} + {{fds}}.cbegin() + {{param.mojom_name}}FdStart + {{param.mojom_name}}FdsSize +{%- endif -%} +{%- endif -%} +{{- "," if param|needs_control_serializer}} +{%- if param|needs_control_serializer %} + &controlSerializer_ +{%- endif -%} +){{")" if param|is_enum and not param|is_flags}}; +{%- endmacro -%} + + +{# + # \brief Deserialize multiple objects from data buffer and fd vector + # + # \param pointer If true, deserialize objects into pointers, and adds a null check. + # \param declare If true, declare the objects in addition to deserialization. + # \param iter if true, treat \a buf as an iterator instead of a vector + # \param data_size Variable that holds the size of the vector referenced by \a buf + # + # Generate code to deserialize multiple objects, as specified in \a params + # (which are the parameters to some function), from \a buf data buffer and + # \a fds fd vector. + # This code is meant to be used by the proxy, for deserializing after IPC calls. + # + # \todo Avoid intermediate vectors + #} +{%- macro deserialize_call(params, buf, fds, pointer = true, declare = false, iter = false, data_size = '', init_offset = 0) -%} +{% set ns = namespace(size_offset = init_offset) %} +{%- if params|length > 1 %} +{%- for param in params %} + [[maybe_unused]] const size_t {{param.mojom_name}}BufSize = readPOD<uint32_t>({{buf}}, {{ns.size_offset}} +{%- if iter -%} +, {{buf}} + {{data_size}} +{%- endif -%} +); + {%- set ns.size_offset = ns.size_offset + 4 %} +{%- if param|has_fd %} + [[maybe_unused]] const size_t {{param.mojom_name}}FdsSize = readPOD<uint32_t>({{buf}}, {{ns.size_offset}} +{%- if iter -%} +, {{buf}} + {{data_size}} +{%- endif -%} +); + {%- set ns.size_offset = ns.size_offset + 4 %} +{%- endif %} +{%- endfor %} +{%- endif %} +{% for param in params %} +{%- if loop.first %} + const size_t {{param.mojom_name}}Start = {{ns.size_offset}}; +{%- else %} + const size_t {{param.mojom_name}}Start = {{loop.previtem.mojom_name}}Start + {{loop.previtem.mojom_name}}BufSize; +{%- endif %} +{%- endfor %} +{% for param in params|with_fds %} +{%- if loop.first %} + const size_t {{param.mojom_name}}FdStart = 0; +{%- else %} + const size_t {{param.mojom_name}}FdStart = {{loop.previtem.mojom_name}}FdStart + {{loop.previtem.mojom_name}}FdsSize; +{%- endif %} +{%- endfor %} +{% for param in params %} + {%- if pointer %} + if ({{param.mojom_name}}) { +{{deserialize_param(param, pointer, loop, buf, fds, iter, data_size)|indent(16, True)}} + } + {%- else %} + {{param|name + " " if declare}}{{deserialize_param(param, pointer, loop, buf, fds, iter, data_size)|indent(8)}} + {%- endif %} +{% endfor %} +{%- endmacro -%} diff --git a/utils/codegen/ipc/generators/libcamera_templates/serializer.tmpl b/utils/codegen/ipc/generators/libcamera_templates/serializer.tmpl new file mode 100644 index 00000000..323e1293 --- /dev/null +++ b/utils/codegen/ipc/generators/libcamera_templates/serializer.tmpl @@ -0,0 +1,319 @@ +{#- + # SPDX-License-Identifier: LGPL-2.1-or-later + # Copyright (C) 2020, Google Inc. +-#} +{# + # \brief Verify that there is enough bytes to deserialize + # + # Generate code that verifies that \a size is not greater than \a dataSize. + # Otherwise log an error with \a name and \a typename. + #} +{%- macro check_data_size(size, dataSize, name, typename) %} + if ({{dataSize}} < {{size}}) { + LOG(IPADataSerializer, Error) + << "Failed to deserialize " << "{{name}}" + << ": not enough {{typename}}, expected " + << ({{size}}) << ", got " << ({{dataSize}}); + return ret; + } +{%- endmacro %} + + +{# + # \brief Serialize a field into return vector + # + # Generate code to serialize \a field into retData, including size of the + # field and fds (where appropriate). + # This code is meant to be used by the IPADataSerializer specialization. + # + # \todo Avoid intermediate vectors + #} +{%- macro serializer_field(field, namespace, loop) %} +{%- if field|is_pod or field|is_enum %} + std::vector<uint8_t> {{field.mojom_name}}; + std::tie({{field.mojom_name}}, std::ignore) = + {%- if field|is_pod %} + IPADataSerializer<{{field|name}}>::serialize(data.{{field.mojom_name}}); + {%- elif field|is_flags %} + IPADataSerializer<{{field|name_full}}>::serialize(data.{{field.mojom_name}}); + {%- elif field|is_enum_scoped %} + IPADataSerializer<uint{{field|bit_width}}_t>::serialize(static_cast<uint{{field|bit_width}}_t>(data.{{field.mojom_name}})); + {%- elif field|is_enum %} + IPADataSerializer<uint{{field|bit_width}}_t>::serialize(data.{{field.mojom_name}}); + {%- endif %} + retData.insert(retData.end(), {{field.mojom_name}}.begin(), {{field.mojom_name}}.end()); +{%- elif field|is_fd %} + std::vector<uint8_t> {{field.mojom_name}}; + std::vector<SharedFD> {{field.mojom_name}}Fds; + std::tie({{field.mojom_name}}, {{field.mojom_name}}Fds) = + IPADataSerializer<{{field|name}}>::serialize(data.{{field.mojom_name}}); + retData.insert(retData.end(), {{field.mojom_name}}.begin(), {{field.mojom_name}}.end()); + retFds.insert(retFds.end(), {{field.mojom_name}}Fds.begin(), {{field.mojom_name}}Fds.end()); +{%- elif field|is_controls %} + if (data.{{field.mojom_name}}.size() > 0) { + std::vector<uint8_t> {{field.mojom_name}}; + std::tie({{field.mojom_name}}, std::ignore) = + IPADataSerializer<{{field|name}}>::serialize(data.{{field.mojom_name}}, cs); + appendPOD<uint32_t>(retData, {{field.mojom_name}}.size()); + retData.insert(retData.end(), {{field.mojom_name}}.begin(), {{field.mojom_name}}.end()); + } else { + appendPOD<uint32_t>(retData, 0); + } +{%- elif field|is_plain_struct or field|is_array or field|is_map or field|is_str %} + std::vector<uint8_t> {{field.mojom_name}}; + {%- if field|has_fd %} + std::vector<SharedFD> {{field.mojom_name}}Fds; + std::tie({{field.mojom_name}}, {{field.mojom_name}}Fds) = + {%- else %} + std::tie({{field.mojom_name}}, std::ignore) = + {%- endif %} + {%- if field|is_array or field|is_map %} + IPADataSerializer<{{field|name}}>::serialize(data.{{field.mojom_name}}, cs); + {%- elif field|is_str %} + IPADataSerializer<{{field|name}}>::serialize(data.{{field.mojom_name}}); + {%- else %} + IPADataSerializer<{{field|name_full}}>::serialize(data.{{field.mojom_name}}, cs); + {%- endif %} + appendPOD<uint32_t>(retData, {{field.mojom_name}}.size()); + {%- if field|has_fd %} + appendPOD<uint32_t>(retData, {{field.mojom_name}}Fds.size()); + {%- endif %} + retData.insert(retData.end(), {{field.mojom_name}}.begin(), {{field.mojom_name}}.end()); + {%- if field|has_fd %} + retFds.insert(retFds.end(), {{field.mojom_name}}Fds.begin(), {{field.mojom_name}}Fds.end()); + {%- endif %} +{%- else %} + /* Unknown serialization for {{field.mojom_name}}. */ +{%- endif %} +{%- endmacro %} + + +{# + # \brief Deserialize a field into return struct + # + # Generate code to deserialize \a field into object ret. + # This code is meant to be used by the IPADataSerializer specialization. + #} +{%- macro deserializer_field(field, namespace, loop) %} +{% if field|is_pod or field|is_enum %} + {%- set field_size = (field|bit_width|int / 8)|int %} + {{- check_data_size(field_size, 'dataSize', field.mojom_name, 'data')}} + {%- if field|is_pod %} + ret.{{field.mojom_name}} = IPADataSerializer<{{field|name}}>::deserialize(m, m + {{field_size}}); + {%- elif field|is_flags %} + ret.{{field.mojom_name}} = IPADataSerializer<{{field|name_full}}>::deserialize(m, m + {{field_size}}); + {%- else %} + ret.{{field.mojom_name}} = static_cast<{{field|name_full}}>(IPADataSerializer<uint{{field|bit_width}}_t>::deserialize(m, m + {{field_size}})); + {%- endif %} + {%- if not loop.last %} + m += {{field_size}}; + dataSize -= {{field_size}}; + {%- endif %} +{% elif field|is_fd %} + {%- set field_size = 4 %} + {{- check_data_size(field_size, 'dataSize', field.mojom_name, 'data')}} + ret.{{field.mojom_name}} = IPADataSerializer<{{field|name}}>::deserialize(m, m + {{field_size}}, n, n + 1, cs); + {%- if not loop.last %} + m += {{field_size}}; + dataSize -= {{field_size}}; + n += ret.{{field.mojom_name}}.isValid() ? 1 : 0; + fdsSize -= ret.{{field.mojom_name}}.isValid() ? 1 : 0; + {%- endif %} +{% elif field|is_controls %} + {%- set field_size = 4 %} + {{- check_data_size(field_size, 'dataSize', field.mojom_name + 'Size', 'data')}} + const size_t {{field.mojom_name}}Size = readPOD<uint32_t>(m, 0, dataEnd); + m += {{field_size}}; + dataSize -= {{field_size}}; + {%- set field_size = field.mojom_name + 'Size' -%} + {{- check_data_size(field_size, 'dataSize', field.mojom_name, 'data')}} + if ({{field.mojom_name}}Size > 0) + ret.{{field.mojom_name}} = + IPADataSerializer<{{field|name}}>::deserialize(m, m + {{field.mojom_name}}Size, cs); + {%- if not loop.last %} + m += {{field_size}}; + dataSize -= {{field_size}}; + {%- endif %} +{% elif field|is_plain_struct or field|is_array or field|is_map or field|is_str %} + {%- set field_size = 4 %} + {{- check_data_size(field_size, 'dataSize', field.mojom_name + 'Size', 'data')}} + const size_t {{field.mojom_name}}Size = readPOD<uint32_t>(m, 0, dataEnd); + m += {{field_size}}; + dataSize -= {{field_size}}; + {%- if field|has_fd %} + {%- set field_size = 4 %} + {{- check_data_size(field_size, 'dataSize', field.mojom_name + 'FdsSize', 'data')}} + const size_t {{field.mojom_name}}FdsSize = readPOD<uint32_t>(m, 0, dataEnd); + m += {{field_size}}; + dataSize -= {{field_size}}; + {{- check_data_size(field.mojom_name + 'FdsSize', 'fdsSize', field.mojom_name, 'fds')}} + {%- endif %} + {%- set field_size = field.mojom_name + 'Size' -%} + {{- check_data_size(field_size, 'dataSize', field.mojom_name, 'data')}} + ret.{{field.mojom_name}} = + {%- if field|is_str %} + IPADataSerializer<{{field|name}}>::deserialize(m, m + {{field.mojom_name}}Size); + {%- elif field|has_fd and (field|is_array or field|is_map) %} + IPADataSerializer<{{field|name}}>::deserialize(m, m + {{field.mojom_name}}Size, n, n + {{field.mojom_name}}FdsSize, cs); + {%- elif field|has_fd and (not (field|is_array or field|is_map)) %} + IPADataSerializer<{{field|name_full}}>::deserialize(m, m + {{field.mojom_name}}Size, n, n + {{field.mojom_name}}FdsSize, cs); + {%- elif (not field|has_fd) and (field|is_array or field|is_map) %} + IPADataSerializer<{{field|name}}>::deserialize(m, m + {{field.mojom_name}}Size, cs); + {%- else %} + IPADataSerializer<{{field|name_full}}>::deserialize(m, m + {{field.mojom_name}}Size, cs); + {%- endif %} + {%- if not loop.last %} + m += {{field_size}}; + dataSize -= {{field_size}}; + {%- if field|has_fd %} + n += {{field.mojom_name}}FdsSize; + fdsSize -= {{field.mojom_name}}FdsSize; + {%- endif %} + {%- endif %} +{% else %} + /* Unknown deserialization for {{field.mojom_name}}. */ +{%- endif %} +{%- endmacro %} + + +{# + # \brief Serialize a struct + # + # Generate code for IPADataSerializer specialization, for serializing + # \a struct. + #} +{%- macro serializer(struct, namespace) %} + static std::tuple<std::vector<uint8_t>, std::vector<SharedFD>> + serialize(const {{struct|name_full}} &data, +{%- if struct|needs_control_serializer %} + ControlSerializer *cs) +{%- else %} + [[maybe_unused]] ControlSerializer *cs = nullptr) +{%- endif %} + { + std::vector<uint8_t> retData; +{%- if struct|has_fd %} + std::vector<SharedFD> retFds; +{%- endif %} +{%- for field in struct.fields %} +{{serializer_field(field, namespace, loop)}} +{%- endfor %} +{% if struct|has_fd %} + return {retData, retFds}; +{%- else %} + return {retData, {}}; +{%- endif %} + } +{%- endmacro %} + + +{# + # \brief Deserialize a struct that has fds + # + # Generate code for IPADataSerializer specialization, for deserializing + # \a struct, in the case that \a struct has file descriptors. + #} +{%- macro deserializer_fd(struct, namespace) %} + static {{struct|name_full}} + deserialize(std::vector<uint8_t> &data, + std::vector<SharedFD> &fds, +{%- if struct|needs_control_serializer %} + ControlSerializer *cs) +{%- else %} + ControlSerializer *cs = nullptr) +{%- endif %} + { + return IPADataSerializer<{{struct|name_full}}>::deserialize(data.cbegin(), data.cend(), fds.cbegin(), fds.cend(), cs); + } + +{# \todo Don't inline this function #} + static {{struct|name_full}} + deserialize(std::vector<uint8_t>::const_iterator dataBegin, + std::vector<uint8_t>::const_iterator dataEnd, + std::vector<SharedFD>::const_iterator fdsBegin, + std::vector<SharedFD>::const_iterator fdsEnd, +{%- if struct|needs_control_serializer %} + ControlSerializer *cs) +{%- else %} + [[maybe_unused]] ControlSerializer *cs = nullptr) +{%- endif %} + { + {{struct|name_full}} ret; + std::vector<uint8_t>::const_iterator m = dataBegin; + std::vector<SharedFD>::const_iterator n = fdsBegin; + + size_t dataSize = std::distance(dataBegin, dataEnd); + [[maybe_unused]] size_t fdsSize = std::distance(fdsBegin, fdsEnd); +{%- for field in struct.fields -%} +{{deserializer_field(field, namespace, loop)}} +{%- endfor %} + return ret; + } +{%- endmacro %} + +{# + # \brief Deserialize a struct that has fds, using non-fd + # + # Generate code for IPADataSerializer specialization, for deserializing + # \a struct, in the case that \a struct has no file descriptors but requires + # deserializers with file descriptors. + #} +{%- macro deserializer_fd_simple(struct, namespace) %} + static {{struct|name_full}} + deserialize(std::vector<uint8_t> &data, + [[maybe_unused]] std::vector<SharedFD> &fds, + ControlSerializer *cs = nullptr) + { + return IPADataSerializer<{{struct|name_full}}>::deserialize(data.cbegin(), data.cend(), cs); + } + + static {{struct|name_full}} + deserialize(std::vector<uint8_t>::const_iterator dataBegin, + std::vector<uint8_t>::const_iterator dataEnd, + [[maybe_unused]] std::vector<SharedFD>::const_iterator fdsBegin, + [[maybe_unused]] std::vector<SharedFD>::const_iterator fdsEnd, + ControlSerializer *cs = nullptr) + { + return IPADataSerializer<{{struct|name_full}}>::deserialize(dataBegin, dataEnd, cs); + } +{%- endmacro %} + + +{# + # \brief Deserialize a struct that has no fds + # + # Generate code for IPADataSerializer specialization, for deserializing + # \a struct, in the case that \a struct does not have file descriptors. + #} +{%- macro deserializer_no_fd(struct, namespace) %} + static {{struct|name_full}} + deserialize(std::vector<uint8_t> &data, +{%- if struct|needs_control_serializer %} + ControlSerializer *cs) +{%- else %} + ControlSerializer *cs = nullptr) +{%- endif %} + { + return IPADataSerializer<{{struct|name_full}}>::deserialize(data.cbegin(), data.cend(), cs); + } + +{# \todo Don't inline this function #} + static {{struct|name_full}} + deserialize(std::vector<uint8_t>::const_iterator dataBegin, + std::vector<uint8_t>::const_iterator dataEnd, +{%- if struct|needs_control_serializer %} + ControlSerializer *cs) +{%- else %} + [[maybe_unused]] ControlSerializer *cs = nullptr) +{%- endif %} + { + {{struct|name_full}} ret; + std::vector<uint8_t>::const_iterator m = dataBegin; + + size_t dataSize = std::distance(dataBegin, dataEnd); +{%- for field in struct.fields -%} +{{deserializer_field(field, namespace, loop)}} +{%- endfor %} + return ret; + } +{%- endmacro %} |