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Add improved field outputting

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Support the notion of a message for all fields in a single class, and
making sure it's wrapped as well as the other fields.

This is used to display a single message about how indexing working for
ka.* filter fields and what IDX_ALLOWED/IDX_NUMERIC/IDX_KEY means,
rather than repeating the same text over and over in every field.

The wrapping is handled by a function falco::utils::wrap_text.

Signed-off-by: Mark Stemm <mark.stemm@gmail.com>
This commit is contained in:
Mark Stemm
2019-09-09 16:45:03 -07:00
committed by Leo Di Donato
parent 154dd18c8f
commit 1c3bed135f
4 changed files with 113 additions and 19 deletions
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42
userspace/engine/falco_engine.cpp
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@@ -20,6 +20,7 @@ limitations under the License.
#include <fstream>
#include "falco_engine.h"
#include "falco_utils.h"
#include "falco_engine_version.h"
#include "config_falco_engine.h"
@@ -91,12 +92,15 @@ void falco_engine::list_fields(bool names_only)
{
printf("\n----------------------\n");
printf("Field Class: %s (%s)\n\n", chk_field.m_name.c_str(), chk_field.m_desc.c_str());
if(chk_field.m_class_info != "")
{
std::string str = falco::utils::wrap_text(chk_field.m_class_info, 0, 0, CONSOLE_LINE_LEN);
printf("%s\n", str.c_str());
}
}
for(auto &field : chk_field.m_fields)
{
uint32_t l, m;
printf("%s", field.m_name.c_str());
if(names_only)
@@ -112,29 +116,29 @@ void falco_engine::list_fields(bool names_only)
namelen = 0;
}
for(l = 0; l < DESCRIPTION_TEXT_START - namelen; l++)
for(uint32_t l = 0; l < DESCRIPTION_TEXT_START - namelen; l++)
{
printf(" ");
}
size_t desclen = field.m_desc.size();
for(l = 0; l < desclen; l++)
std::string desc = field.m_desc;
switch(field.m_idx_mode)
{
if(l % (CONSOLE_LINE_LEN - DESCRIPTION_TEXT_START) == 0 && l != 0)
{
printf("\n");
case json_event_filter_check::IDX_REQUIRED:
case json_event_filter_check::IDX_ALLOWED:
desc += " (";
desc += json_event_filter_check::s_index_mode_strs[field.m_idx_mode];
desc += ", ";
desc += json_event_filter_check::s_index_type_strs[field.m_idx_type];
desc += ")";
break;
case json_event_filter_check::IDX_NONE:
default:
break;
};
for(m = 0; m < DESCRIPTION_TEXT_START; m++)
{
printf(" ");
}
}
printf("%c", field.m_desc.at(l));
}
printf("\n");
std::string str = falco::utils::wrap_text(desc, namelen, DESCRIPTION_TEXT_START, CONSOLE_LINE_LEN);
printf("%s\n", str.c_str());
}
}
}