+
+def generate_nic_overview_table(output_filename):
+ """
+ Function to generate the NIC Overview Table from the ini files that define
+ the features for each NIC.
+
+ The default features for the table and their order is defined by the
+ 'default.ini' file.
+
+ """
+ # Default worning string.
+ warning = 'Warning generate_nic_overview_table()'
+
+ # Get the default features and order from the 'default.ini' file.
+ ini_path = path_join(dirname(output_filename), 'features')
+ config = configparser.ConfigParser()
+ config.optionxform = str
+ config.read(path_join(ini_path, 'default.ini'))
+ default_section = 'Features'
+ default_features = config.items(default_section)
+
+ # Create a dict of the valid features to validate the other ini files.
+ valid_features = {}
+ max_feature_length = 0
+ for feature in default_features:
+ key = feature[0]
+ valid_features[key] = ' '
+ max_feature_length = max(max_feature_length, len(key))
+
+ # Get a list of NIC ini files, excluding 'default.ini'.
+ ini_files = [basename(file) for file in listdir(ini_path)
+ if file.endswith('.ini') and file != 'default.ini']
+ ini_files.sort()
+
+ # Build up a list of the table header names from the ini filenames.
+ header_names = []
+ for ini_filename in ini_files:
+ name = ini_filename[:-4]
+ name = name.replace('_vf', 'vf')
+
+ # Pad the table header names to match the existing format.
+ if '_vec' in name:
+ pmd, vec = name.split('_')
+ name = '{0:{fill}{align}7}vec'.format(pmd, fill='.', align='<')
+ else:
+ name = '{0:{fill}{align}10}'.format(name, fill=' ', align='<')
+
+ header_names.append(name)
+
+ # Create a dict of the defined features for each NIC from the ini files.
+ ini_data = {}
+ for ini_filename in ini_files:
+ config = configparser.ConfigParser()
+ config.optionxform = str
+ config.read(path_join(ini_path, ini_filename))
+
+ # Initialize the dict with the default.ini value.
+ ini_data[ini_filename] = valid_features.copy()
+
+ # Check for a valid ini section.
+ if not config.has_section(default_section):
+ print("{}: File '{}' has no [{}] secton".format(warning,
+ ini_filename,
+ default_section))
+ continue
+
+ # Check for valid features names.
+ for name, value in config.items(default_section):
+ if name not in valid_features:
+ print("{}: Unknown feature '{}' in '{}'".format(warning,
+ name,
+ ini_filename))
+ continue
+
+ if value is not '':
+ # Get the first letter only.
+ ini_data[ini_filename][name] = value[0]
+
+ # Print out the RST NIC Overview table from the ini file data.
+ outfile = open(output_filename, 'w')
+ num_cols = len(header_names)
+
+ print('.. table:: Features availability in networking drivers\n',
+ file=outfile)
+
+ print_table_header(outfile, num_cols, header_names)
+ print_table_body(outfile, num_cols, ini_files, ini_data, default_features)
+
+
+def print_table_header(outfile, num_cols, header_names):
+ """ Print the RST table header. The header names are vertical. """
+ print_table_divider(outfile, num_cols)
+
+ line = ''
+ for name in header_names:
+ line += ' ' + name[0]
+
+ print_table_row(outfile, 'Feature', line)
+
+ for i in range(1, 10):
+ line = ''
+ for name in header_names:
+ line += ' ' + name[i]
+
+ print_table_row(outfile, '', line)
+
+ print_table_divider(outfile, num_cols)
+
+
+def print_table_body(outfile, num_cols, ini_files, ini_data, default_features):
+ """ Print out the body of the table. Each row is a NIC feature. """
+
+ for feature, _ in default_features:
+ line = ''
+
+ for ini_filename in ini_files:
+ line += ' ' + ini_data[ini_filename][feature]
+
+ print_table_row(outfile, feature, line)
+
+ print_table_divider(outfile, num_cols)
+
+
+def print_table_row(outfile, feature, line):
+ """ Print a single row of the table with fixed formatting. """
+ line = line.rstrip()
+ print(' {:<20}{}'.format(feature, line), file=outfile)
+
+
+def print_table_divider(outfile, num_cols):
+ """ Print the table divider line. """
+ line = ' '
+ column_dividers = ['='] * num_cols
+ line += ' '.join(column_dividers)
+
+ feature = '=' * 20
+
+ print_table_row(outfile, feature, line)
+
+