Move logger into own class and separate from main script

README.md

@@ -115,7 +115,7 @@ Any log message starting with `#Custom: ` is parsed and it will appear in the ou
 ### Adding a parser
 The tool can be extended to implement custom parsers by following these steps:
 
-1. Add the regular expression for the log message. Open *src/custom/logs.py* and append a new tuple with the following format to the `regex` variable:
+1. Add the regular expression for the log message. Open *logparser/custom/logs.py* and append a new tuple with the following format to the `regex` variable:
 ```
 regex.append([custom.FUNCTION_NAME_TO_CALL_IF_MATCHED, LOG_REGEX])
 ```

src/__main__.py → __main__.py

@@ -1,4 +1,3 @@
-#!/bin/python
 # Log Parser for RTI Connext.
 #
 #   Copyright 2016 Real-Time Innovations, Inc.

create_redist.sh

@@ -1,13 +1,13 @@
 #!/bin/bash
 SCRIPT_DIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
 OUT_FILE=${SCRIPT_DIR}/rtilogparser
-pushd "$SCRIPT_DIR/src"
+pushd "$SCRIPT_DIR"
 
 # Create a zip file with all the python files.
 # The python interpreter is able to read zip files and it will execute the
 # content from __main__.py
 zip -r "${OUT_FILE}.zip" . -i '*.py'
-cd .. && zip "${OUT_FILE}.zip" LICENSE
+zip "${OUT_FILE}.zip" LICENSE
 
 echo '#!/usr/bin/env python' | cat - "${OUT_FILE}.zip" > "${OUT_FILE}"
 chmod +x "${OUT_FILE}"

logparser/__init__.py

@@ -0,0 +1,20 @@
+# Log Parser for RTI Connext.
+#
+#   Copyright 2016 Real-Time Innovations, Inc.
+#
+#   Licensed under the Apache License, Version 2.0 (the "License");
+#   you may not use this file except in compliance with the License.
+#   You may obtain a copy of the License at
+#
+#       http://www.apache.org/licenses/LICENSE-2.0
+#
+#   Unless required by applicable law or agreed to in writing, software
+#   distributed under the License is distributed on an "AS IS" BASIS,
+#   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#   See the License for the specific language governing permissions and
+#   limitations under the License.
+"""Package LogParser."""
+
+__version__ = "1.2a2"
+__license__ = "Apache"
+__copyright__ = "Copyright 2016 Real-Time Innovations, Inc."

src/custom/custom.py → logparser/custom/custom.py

@@ -19,7 +19,7 @@
   + on_custom_log: Parse a log with a custom prefix.
 """
 from __future__ import absolute_import
-from devices.logger import log_event
+from logparser.devices.logger import log_event
 
 
 def on_custom_log(match, state):

src/custom/logs.py → logparser/custom/logs.py

@@ -22,7 +22,7 @@
   + CUSTOM_PREFIX: Prefix for custom logs.
 """
 from __future__ import absolute_import
-import custom.custom as custom
+import logparser.custom.custom as custom
 
 CUSTOM_PREFIX = "#Custom: "
 

src/debug/debug.py → logparser/debug/debug.py

@@ -19,7 +19,6 @@
   + on_unmatched_message: write into a file the unmatched log
   + on_ignored_message: ignore this matched log.
 """
-from __future__ import absolute_import
 
 
 UNMATCHED_LOG_FILENAME = "unmatched.txt"

src/debug/logs.py → logparser/debug/logs.py

@@ -19,7 +19,7 @@
   + get_regex_list: Get the regular expressions and function list.
 """
 from __future__ import absolute_import
-import debug.debug as debug
+import logparser.debug.debug as debug
 
 
 def get_regex_list():

logparser/devices/formatdevice.py

@@ -0,0 +1,65 @@
+# Log Parser for RTI Connext.
+#
+#   Copyright 2016 Real-Time Innovations, Inc.
+#
+#   Licensed under the Apache License, Version 2.0 (the "License");
+#   you may not use this file except in compliance with the License.
+#   You may obtain a copy of the License at
+#
+#       http://www.apache.org/licenses/LICENSE-2.0
+#
+#   Unless required by applicable law or agreed to in writing, software
+#   distributed under the License is distributed on an "AS IS" BASIS,
+#   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#   See the License for the specific language governing permissions and
+#   limitations under the License.
+"""Device for the output format.
+
+The module contains the abstract class representation for a formatter of the
+parsed logs.
+
+Classes:
+  + FormatDevice: Abstract base class for format device implementations.
+"""
+
+
+class FormatDevice(object):
+    """Abstract base class for format device implementations.
+
+    You will need to implement the following methods:
+      + write_header: write the header if any.
+      + write_configurations: write the configuration messages.
+      + write_warnings: write the warning messages.
+      + write_errors: write the error messages.
+    """
+
+    def write_header(self, state):
+        """Write the header if any."""
+        raise NotImplementedError("write_header not implemented")
+
+    def write_message(self, content, state):
+        """Write the message.
+
+        The content argument is a dictionary with at least 'description' item.
+        The optional items are:
+          + kind: the kind or remark for the message.
+          + timestamp: the timestamp of the message.
+          + input_line: the current input line.
+          + output_line: the current output line.
+          + inout: [packets-only] 'in' if it's input packet, 'out' otherwise.
+          + remote: [packets-only] the remote address of the sender/receiver.
+          + entity: [packets-only] the local entity sending/receiving.
+        """
+        raise NotImplementedError("write_message not implemented")
+
+    def write_configurations(self, state):
+        """Write the configuration messages."""
+        raise NotImplementedError("write_configurations not implemented")
+
+    def write_warnings(self, state):
+        """Write the warning messages."""
+        raise NotImplementedError("write_warnings not implemented")
+
+    def write_errors(self, state):
+        """Write the error messages."""
+        raise NotImplementedError("write_errors not implemented")

src/devices/inputdevices.py → logparser/devices/inputdevices.py

@@ -22,11 +22,11 @@
   + InputConsoleDevice: Reads the DDS log messages from the standard input.
   + InputFileDevice: Reads the DDS log messages from a file.
 """
-from __future__ import print_function
+from __future__ import absolute_import, print_function
 from os import fstat
 from sys import stdin, stdout
 from time import time
-from devices.outputdevices import OutputConsoleDevice
+from logparser.devices.outputdevices import OutputConsoleDevice
 
 
 class InputDevice(object):

logparser/devices/logger.py

@@ -0,0 +1,166 @@
+# Log Parser for RTI Connext.
+#
+#   Copyright 2016 Real-Time Innovations, Inc.
+#
+#   Licensed under the Apache License, Version 2.0 (the "License");
+#   you may not use this file except in compliance with the License.
+#   You may obtain a copy of the License at
+#
+#       http://www.apache.org/licenses/LICENSE-2.0
+#
+#   Unless required by applicable law or agreed to in writing, software
+#   distributed under the License is distributed on an "AS IS" BASIS,
+#   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#   See the License for the specific language governing permissions and
+#   limitations under the License.
+"""Logger functions.
+
+The module contains functions to log the new messages.
+The 'content' dictionary is defined in the FormatDevice class.
+
+Functions:
+  + log: log the given message.
+  + log_recv: log a received packet.
+  + log_send: log a sent packet.
+  + log_process: log a processed packet.
+  + log_cfg: log a configuration message.
+  + log_warning: log a warning message.
+  + log_error: log an error.
+  + countset_add_element: add an element to the countset.
+  + dict_regex_search: apply the regex over all the fields of the dictionary.
+
+Constants:
+  + COLORS: ANSI colors to use in log messages.
+  + KIND_TO_COLOR: conversion between log kind and ANSI color
+"""
+
+
+COLORS = {
+    'RED': '\033[91m',
+    'GREEN': '\033[92m',
+    'YELLOW': '\033[93m',
+    'BLUE': '\033[94m',
+    'MAGENTA': '\033[95m',
+    'BOLD': '\033[1m',
+    'FAINT': '\033[2m',
+    'ITALIC': '\033[3m',
+    'UNDERLINE': '\033[4m',
+    'END': '\033[0m',
+}
+
+KIND_TO_COLOR = {
+    'WARNING': 'YELLOW|ITALIC',
+    'ERROR': 'RED|BOLD',
+    'IMPORTANT': 'BOLD'
+}
+
+
+def log(content, level, state):
+    """Log the given message."""
+    if state['verbosity'] < level:
+        return
+
+    # Add the clock if available
+    if 'clocks' in state and state['clocks'][1]:
+        content['timestamp'] = " %s " % state['clocks'][1].isoformat()
+
+    # Add the current line
+    content['input_line'] = state['input_line']
+    content['output_line'] = state['output_line'] + 1  # This message count
+
+    # Apply the filter
+    if 'onlyIf' in state and not dict_regex_search(content, state['onlyIf']):
+        return
+
+    # Highlight the message if match
+    if 'highlight' in state and dict_regex_search(content, state['highlight']):
+        content['kind'] = content.get('kind', "") + "|IMPORTANT"
+
+    # Apply color if specified
+    if not state['no_colors']:
+        color = ""
+        for kind in filter(None, content.get('kind', '').split("|")):
+            for subkind in KIND_TO_COLOR[kind].split("|"):
+                color += COLORS[subkind]
+        if len(color) > 0:
+            content['description'] = color + content['description'] + \
+                COLORS['END']
+
+    # Write the message
+    state['format_device'].write_message(content, state)
+
+
+def log_recv(addr, entity, text, state, level=0):
+    """Log a received packet."""
+    if state['ignore_packets']:
+        return
+    content = {'description': text, 'remote': addr, 'entity': entity,
+               'inout': 'in'}
+    log(content, level, state)
+
+
+def log_send(addr, entity, text, state, level=0):
+    """Log a sent packet."""
+    if state['ignore_packets']:
+        return
+    content = {'description': text, 'remote': addr, 'entity': entity,
+               'inout': 'out'}
+    log(content, level, state)
+
+
+def log_process(addr, entity, text, state, level=0):
+    """Log a processed packet."""
+    if state['ignore_packets']:
+        return
+    content = {'description': text, 'remote': addr, 'entity': entity}
+    log(content, level, state)
+
+
+def log_cfg(text, state, level=0):
+    """Log a configuration message."""
+    if state['verbosity'] < level:
+        return
+    countset_add_element(state['config'], text)
+
+
+def log_event(text, state, level=0):
+    """Log an application event."""
+    content = {'description': text}
+    log(content, level, state)
+
+
+def log_warning(text, state, level=0):
+    """Log a warning message."""
+    if state['verbosity'] < level:
+        return
+
+    countset_add_element(state['warnings'], text)
+    if state['inline']:
+        content = {'description': "Warning: " + text, 'kind': 'WARNING'}
+        log(content, level, state)
+
+
+def log_error(text, state, level=0):
+    """Log an error."""
+    if state['verbosity'] < level:
+        return
+
+    countset_add_element(state['errors'], text)
+    if state['inline']:
+        content = {'description': "Error: " + text, 'kind': 'ERROR'}
+        log(content, level, state)
+
+
+def countset_add_element(countset, el):
+    """Add an element to the countset."""
+    if el not in countset:
+        countset[el] = [len(countset), 0]
+    countset[el][1] += 1
+
+
+def dict_regex_search(content, regex):
+    """Apply the regex over all the fields of the dictionary."""
+    match = False
+    for field in content:
+        match = match if match else regex.search(field)
+    return match