RPC console enhancement - echo service and build script (#10490)

* Add PW RPC protos to chip_rpc console

* Build RPC console script implementation
Add default RPC console build directory to gitignore

* Create echo_service library
Add echo_service to RPC console

* Improve rpc_console script to use with source command

* Improve setting current directory in rpc_console script

* Change output dir for rpc_console building script
Changes restyle

* RPC console script cleanup

* Remove rpc_console_out dir from gitignore

* Replace shell script to build rpc console by Python builder

* Changes restyle

* Update build test data

* Set clang compilation for rpc-consoel also

* Fix testdata

* Set RPC console wheels files as build outputs

* Changes restyle

examples/common/pigweed/BUILD.gn

@@ -28,6 +28,14 @@ if (chip_enable_pw_rpc) {
   import("//build_overrides/pigweed.gni")
   import("$dir_pw_protobuf_compiler/proto.gni")
 
+  pw_proto_library("echo_service") {
+    sources = [ "$dir_pw_rpc/echo.proto" ]
+    inputs = [ "$dir_pw_rpc/echo.options" ]
+    deps = [ "$dir_pw_protobuf:common_protos" ]
+    strip_prefix = "$dir_pw_rpc"
+    prefix = "echo_service"
+  }
+
   pw_proto_library("device_service") {
     sources = [ "protos/device_service.proto" ]
     inputs = [ "protos/device_service.options" ]

examples/common/pigweed/rpc_console/py/BUILD.gn

@@ -38,6 +38,7 @@ pw_python_package("chip_rpc") {
     "$dir_pw_rpc/py",
     "${chip_root}/examples/common/pigweed:button_service.python",
     "${chip_root}/examples/common/pigweed:device_service.python",
+    "${chip_root}/examples/common/pigweed:echo_service.python",
     "${chip_root}/examples/common/pigweed:lighting_service.python",
     "${chip_root}/examples/common/pigweed:locking_service.python",
     "${chip_root}/examples/ipv6only-app/common:wifi_service.python",

examples/common/pigweed/rpc_console/py/chip_rpc/console.py

@@ -56,6 +56,7 @@
 from lighting_service import lighting_service_pb2
 from locking_service import locking_service_pb2
 from wifi_service import wifi_service_pb2
+from echo_service import echo_pb2
 
 _LOG = logging.getLogger(__name__)
 _DEVICE_LOG = logging.getLogger('rpc_device')
@@ -68,7 +69,8 @@
           lighting_service_pb2,
           locking_service_pb2,
           wifi_service_pb2,
-          device_service_pb2]
+          device_service_pb2,
+          echo_pb2]
 
 
 def _parse_args():

scripts/build/build/targets.py

@@ -80,10 +80,13 @@ def HostTargets():
             'all-clusters', app=HostApp.ALL_CLUSTERS))
         app_targets.append(target.Extend('chip-tool', app=HostApp.CHIP_TOOL))
         app_targets.append(target.Extend('thermostat', app=HostApp.THERMOSTAT))
+        app_targets.append(target.Extend(
+            'rpc-console', app=HostApp.RPC_CONSOLE))
 
     for target in app_targets:
         yield target
-        yield target.Extend('ipv6only', enable_ipv4=False)
+        if ('rpc-console' not in target.name):
+            yield target.Extend('ipv6only', enable_ipv4=False)
 
 
 def Esp32Targets():

scripts/build/builders/host.py

@@ -24,6 +24,7 @@ class HostApp(Enum):
     ALL_CLUSTERS = auto()
     CHIP_TOOL = auto()
     THERMOSTAT = auto()
+    RPC_CONSOLE = auto()
 
     def ExamplePath(self):
         if self == HostApp.ALL_CLUSTERS:
@@ -32,6 +33,8 @@ def ExamplePath(self):
             return 'chip-tool'
         elif self == HostApp.THERMOSTAT:
             return 'thermostat/linux'
+        elif self == HostApp.RPC_CONSOLE:
+            return 'common/pigweed/rpc_console'
         else:
             raise Exception('Unknown app type: %r' % self)
 
@@ -42,6 +45,8 @@ def BinaryName(self):
             return 'chip-tool'
         elif self == HostApp.THERMOSTAT:
             return 'thermostat-app'
+        elif self == HostApp.RPC_CONSOLE:
+            return 'rpc-console'
         else:
             raise Exception('Unknown app type: %r' % self)
 
@@ -91,19 +96,29 @@ def __init__(self, root, runner, app: HostApp, board=HostBoard.NATIVE, enable_ip
         self.board = board
         self.extra_gn_options = []
 
-        if not enable_ipv4:
+        if 'rpc-console' not in self.app_name and not enable_ipv4:
             self.extra_gn_options.append('chip_inet_config_enable_ipv4=false')
 
     def GnBuildArgs(self):
         if self.board == HostBoard.NATIVE:
             return self.extra_gn_options
         elif self.board == HostBoard.ARM64:
-            return self.extra_gn_options + [
-                'target_cpu="arm64"',
-                'is_clang=true',
-                'chip_crypto="mbedtls"',
-                'sysroot="%s"' % self.SysRootPath('SYSROOT_AARCH64'),
-            ]
+            self.extra_gn_options.extend(
+                [
+                    'target_cpu="arm64"',
+                    'is_clang=true'
+                ]
+            )
+
+            if 'rpc-console' not in self.app_name:
+                self.extra_gn_options.extend(
+                    [
+                        'chip_crypto="mbedtls"',
+                        'sysroot="%s"' % self.SysRootPath('SYSROOT_AARCH64')
+                    ]
+                )
+
+            return self.extra_gn_options
         else:
             raise Exception('Unknown host board type: %r' % self)
 
@@ -123,7 +138,20 @@ def SysRootPath(self, name):
         return os.environ[name]
 
     def build_outputs(self):
-        return {
-            self.app_name: os.path.join(self.output_dir, self.app_name),
-            self.map_name: os.path.join(self.output_dir, self.map_name)
-        }
+        outputs = {}
+        if 'rpc-console' not in self.app_name:
+            outputs.update(
+                {
+                    self.app_name: os.path.join(self.output_dir, self.app_name),
+                    self.map_name: os.path.join(self.output_dir, self.map_name)
+                }
+            )
+        else:
+            outputs.update(
+                {
+                    self.app_name: os.path.join(
+                        self.output_dir, "chip_rpc_console_wheels")
+                }
+            )
+
+        return outputs

scripts/build/testdata/build_linux_on_x64.txt

@@ -21,6 +21,11 @@ bash -c '
 PKG_CONFIG_PATH="SYSROOT_AARCH64/lib/aarch64-linux-gnu/pkgconfig" \
  gn gen --check --fail-on-unused-args --root={root}/examples/chip-tool '"'"'--args=chip_inet_config_enable_ipv4=false target_cpu="arm64" is_clang=true chip_crypto="mbedtls" sysroot="SYSROOT_AARCH64"'"'"' {out}/linux-arm64-chip-tool-ipv6only'
 
+# Generating linux-arm64-rpc-console
+bash -c '
+PKG_CONFIG_PATH="SYSROOT_AARCH64/lib/aarch64-linux-gnu/pkgconfig" \
+ gn gen --check --fail-on-unused-args --root={root}/examples/common/pigweed/rpc_console '"'"'--args=target_cpu="arm64" is_clang=true'"'"' {out}/linux-arm64-rpc-console'
+
 # Generating linux-arm64-thermostat
 bash -c '
 PKG_CONFIG_PATH="SYSROOT_AARCH64/lib/aarch64-linux-gnu/pkgconfig" \
@@ -43,6 +48,9 @@ gn gen --check --fail-on-unused-args --root={root}/examples/chip-tool {out}/linu
 # Generating linux-x64-chip-tool-ipv6only
 gn gen --check --fail-on-unused-args --root={root}/examples/chip-tool --args=chip_inet_config_enable_ipv4=false {out}/linux-x64-chip-tool-ipv6only
 
+# Generating linux-x64-rpc-console
+gn gen --check --fail-on-unused-args --root={root}/examples/common/pigweed/rpc_console {out}/linux-x64-rpc-console
+
 # Generating linux-x64-thermostat
 gn gen --check --fail-on-unused-args --root={root}/examples/thermostat/linux {out}/linux-x64-thermostat
 
@@ -61,6 +69,9 @@ ninja -C {out}/linux-arm64-chip-tool
 # Building linux-arm64-chip-tool-ipv6only
 ninja -C {out}/linux-arm64-chip-tool-ipv6only
 
+# Building linux-arm64-rpc-console
+ninja -C {out}/linux-arm64-rpc-console
+
 # Building linux-arm64-thermostat
 ninja -C {out}/linux-arm64-thermostat
 
@@ -79,6 +90,9 @@ ninja -C {out}/linux-x64-chip-tool
 # Building linux-x64-chip-tool-ipv6only
 ninja -C {out}/linux-x64-chip-tool-ipv6only
 
+# Building linux-x64-rpc-console
+ninja -C {out}/linux-x64-rpc-console
+
 # Building linux-x64-thermostat
 ninja -C {out}/linux-x64-thermostat