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1248 lines
44 KiB
C++
1248 lines
44 KiB
C++
/**
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* Copyright (c) 2007-2012, Timothy Stack
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*
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* * Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* * Neither the name of Timothy Stack nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ''AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "log_vtab_impl.hh"
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#include "base/lnav_log.hh"
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#include "base/string_util.hh"
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#include "config.h"
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#include "lnav_util.hh"
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#include "logfile_sub_source.hh"
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#include "sql_util.hh"
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#include "vtab_module.hh"
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#include "yajlpp/json_op.hh"
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#include "yajlpp/yajlpp_def.hh"
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using namespace lnav::roles::literals;
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static auto intern_lifetime = intern_string::get_table_lifetime();
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static struct log_cursor log_cursor_latest;
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thread_local _log_vtab_data log_vtab_data;
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static const char* LOG_COLUMNS = R"( (
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log_line INTEGER PRIMARY KEY, -- The line number for the log message
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log_part TEXT COLLATE naturalnocase, -- The partition the message is in
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log_time DATETIME, -- The adjusted timestamp for the log message
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log_actual_time DATETIME HIDDEN, -- The timestamp from the original log file for this message
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log_idle_msecs INTEGER, -- The difference in time between this messages and the previous
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log_level TEXT COLLATE loglevel, -- The log message level
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log_mark BOOLEAN, -- True if the log message was marked
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log_comment TEXT, -- The comment for this message
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log_tags TEXT, -- A JSON list of tags for this message
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log_filters TEXT, -- A JSON list of filter IDs that matched this message
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-- BEGIN Format-specific fields:
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)";
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static const char* LOG_FOOTER_COLUMNS = R"(
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-- END Format-specific fields
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log_time_msecs INTEGER HIDDEN, -- The adjusted timestamp for the log message as the number of milliseconds from the epoch
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log_path TEXT HIDDEN COLLATE naturalnocase, -- The path to the log file this message is from
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log_text TEXT HIDDEN, -- The full text of the log message
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log_body TEXT HIDDEN, -- The body of the log message
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log_raw_text TEXT HIDDEN -- The raw text from the log file
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);
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)";
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static const char*
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type_to_string(int type)
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{
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switch (type) {
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case SQLITE_FLOAT:
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return "FLOAT";
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case SQLITE_INTEGER:
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return "INTEGER";
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case SQLITE_TEXT:
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return "TEXT";
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}
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ensure("Invalid sqlite type");
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return nullptr;
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}
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std::string
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log_vtab_impl::get_table_statement()
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{
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std::vector<log_vtab_impl::vtab_column> cols;
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std::vector<log_vtab_impl::vtab_column>::const_iterator iter;
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std::ostringstream oss;
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size_t max_name_len = 15;
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oss << "CREATE TABLE " << this->get_name().to_string() << LOG_COLUMNS;
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this->get_columns(cols);
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this->vi_column_count = cols.size();
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for (iter = cols.begin(); iter != cols.end(); iter++) {
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max_name_len = std::max(max_name_len, iter->vc_name.length());
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}
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for (iter = cols.begin(); iter != cols.end(); iter++) {
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auto_mem<char, sqlite3_free> coldecl;
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auto_mem<char, sqlite3_free> colname;
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std::string comment;
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require(!iter->vc_name.empty());
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if (!iter->vc_comment.empty()) {
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comment.append(" -- ").append(iter->vc_comment);
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}
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colname = sql_quote_ident(iter->vc_name.c_str());
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coldecl = sqlite3_mprintf(
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" %-*s %-7s %s COLLATE %-15Q,%s\n",
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max_name_len,
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colname.in(),
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type_to_string(iter->vc_type),
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iter->vc_hidden ? "hidden" : "",
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iter->vc_collator.empty() ? "BINARY" : iter->vc_collator.c_str(),
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comment.c_str());
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oss << coldecl;
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}
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oss << LOG_FOOTER_COLUMNS;
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log_debug("log_vtab_impl.get_table_statement() -> %s", oss.str().c_str());
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return oss.str();
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}
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std::pair<int, unsigned int>
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log_vtab_impl::logline_value_to_sqlite_type(value_kind_t kind)
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{
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int type = 0;
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unsigned int subtype = 0;
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switch (kind) {
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case value_kind_t::VALUE_JSON:
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type = SQLITE3_TEXT;
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subtype = 74;
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break;
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case value_kind_t::VALUE_NULL:
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case value_kind_t::VALUE_TEXT:
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case value_kind_t::VALUE_STRUCT:
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case value_kind_t::VALUE_QUOTED:
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case value_kind_t::VALUE_W3C_QUOTED:
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case value_kind_t::VALUE_TIMESTAMP:
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case value_kind_t::VALUE_XML:
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type = SQLITE3_TEXT;
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break;
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case value_kind_t::VALUE_FLOAT:
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type = SQLITE_FLOAT;
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break;
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case value_kind_t::VALUE_BOOLEAN:
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case value_kind_t::VALUE_INTEGER:
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type = SQLITE_INTEGER;
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break;
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case value_kind_t::VALUE_UNKNOWN:
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case value_kind_t::VALUE__MAX:
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ensure(0);
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break;
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}
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return std::make_pair(type, subtype);
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}
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void
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log_vtab_impl::get_foreign_keys(std::vector<std::string>& keys_inout) const
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{
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keys_inout.emplace_back("log_line");
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keys_inout.emplace_back("min(log_line)");
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keys_inout.emplace_back("log_mark");
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keys_inout.emplace_back("log_time_msecs");
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}
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void
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log_vtab_impl::extract(std::shared_ptr<logfile> lf,
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uint64_t line_number,
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shared_buffer_ref& line,
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std::vector<logline_value>& values)
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{
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auto format = lf->get_format();
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this->vi_attrs.clear();
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format->annotate(line_number, line, this->vi_attrs, values, false);
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}
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bool
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log_vtab_impl::is_valid(log_cursor& lc, logfile_sub_source& lss)
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{
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content_line_t cl(lss.at(lc.lc_curr_line));
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std::shared_ptr<logfile> lf = lss.find(cl);
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auto lf_iter = lf->begin() + cl;
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if (!lf_iter->is_message()) {
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return false;
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}
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return true;
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}
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struct vtab {
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sqlite3_vtab base;
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sqlite3* db;
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textview_curses* tc{nullptr};
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logfile_sub_source* lss{nullptr};
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std::shared_ptr<log_vtab_impl> vi;
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};
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struct vtab_cursor {
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sqlite3_vtab_cursor base;
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struct log_cursor log_cursor;
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shared_buffer_ref log_msg;
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std::vector<logline_value> line_values;
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};
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static int vt_destructor(sqlite3_vtab* p_svt);
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static int
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vt_create(sqlite3* db,
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void* pAux,
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int argc,
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const char* const* argv,
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sqlite3_vtab** pp_vt,
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char** pzErr)
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{
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auto* vm = (log_vtab_manager*) pAux;
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int rc = SQLITE_OK;
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/* Allocate the sqlite3_vtab/vtab structure itself */
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auto p_vt = std::make_unique<vtab>();
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p_vt->db = db;
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/* Declare the vtable's structure */
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p_vt->vi = vm->lookup_impl(intern_string::lookup(argv[3]));
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if (p_vt->vi == nullptr) {
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return SQLITE_ERROR;
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}
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p_vt->tc = vm->get_view();
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p_vt->lss = vm->get_source();
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rc = sqlite3_declare_vtab(db, p_vt->vi->get_table_statement().c_str());
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/* Success. Set *pp_vt and return */
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auto loose_p_vt = p_vt.release();
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*pp_vt = &loose_p_vt->base;
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log_debug("creating log format table: %s = %p", argv[3], p_vt.get());
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return rc;
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}
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static int
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vt_destructor(sqlite3_vtab* p_svt)
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{
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vtab* p_vt = (vtab*) p_svt;
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delete p_vt;
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return SQLITE_OK;
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}
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static int
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vt_connect(sqlite3* db,
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void* p_aux,
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int argc,
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const char* const* argv,
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sqlite3_vtab** pp_vt,
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char** pzErr)
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{
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return vt_create(db, p_aux, argc, argv, pp_vt, pzErr);
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}
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static int
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vt_disconnect(sqlite3_vtab* pVtab)
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{
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return vt_destructor(pVtab);
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}
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static int
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vt_destroy(sqlite3_vtab* p_vt)
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{
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return vt_destructor(p_vt);
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}
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static int vt_next(sqlite3_vtab_cursor* cur);
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static int
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vt_open(sqlite3_vtab* p_svt, sqlite3_vtab_cursor** pp_cursor)
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{
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vtab* p_vt = (vtab*) p_svt;
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p_vt->base.zErrMsg = NULL;
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vtab_cursor* p_cur = new vtab_cursor();
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*pp_cursor = (sqlite3_vtab_cursor*) p_cur;
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p_cur->base.pVtab = p_svt;
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p_cur->log_cursor.lc_curr_line = -1_vl;
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p_cur->log_cursor.lc_end_line = vis_line_t(p_vt->lss->text_line_count());
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p_cur->log_cursor.lc_sub_index = 0;
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vt_next((sqlite3_vtab_cursor*) p_cur);
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return SQLITE_OK;
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}
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static int
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vt_close(sqlite3_vtab_cursor* cur)
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{
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vtab_cursor* p_cur = (vtab_cursor*) cur;
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/* Free cursor struct. */
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delete p_cur;
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return SQLITE_OK;
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}
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static int
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vt_eof(sqlite3_vtab_cursor* cur)
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{
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vtab_cursor* vc = (vtab_cursor*) cur;
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return vc->log_cursor.is_eof();
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}
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static int
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vt_next(sqlite3_vtab_cursor* cur)
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{
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vtab_cursor* vc = (vtab_cursor*) cur;
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vtab* vt = (vtab*) cur->pVtab;
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bool done = false;
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vc->line_values.clear();
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do {
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log_cursor_latest = vc->log_cursor;
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if (((log_cursor_latest.lc_curr_line % 1024) == 0)
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&& (log_vtab_data.lvd_progress != NULL
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&& log_vtab_data.lvd_progress(log_cursor_latest)))
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{
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break;
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}
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done = vt->vi->next(vc->log_cursor, *vt->lss);
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} while (!done);
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return SQLITE_OK;
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}
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static int
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vt_column(sqlite3_vtab_cursor* cur, sqlite3_context* ctx, int col)
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{
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vtab_cursor* vc = (vtab_cursor*) cur;
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vtab* vt = (vtab*) cur->pVtab;
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content_line_t cl(vt->lss->at(vc->log_cursor.lc_curr_line));
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uint64_t line_number;
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auto ld = vt->lss->find_data(cl, line_number);
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auto lf = (*ld)->get_file();
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auto ll = lf->begin() + line_number;
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require(col >= 0);
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/* Just return the ordinal of the column requested. */
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switch (col) {
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case VT_COL_LINE_NUMBER: {
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sqlite3_result_int64(ctx, vc->log_cursor.lc_curr_line);
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} break;
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case VT_COL_PARTITION: {
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vis_bookmarks& vb = vt->tc->get_bookmarks();
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bookmark_vector<vis_line_t>& bv = vb[&textview_curses::BM_META];
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if (bv.empty()) {
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sqlite3_result_null(ctx);
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} else {
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vis_line_t curr_line(vc->log_cursor.lc_curr_line);
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auto iter = lower_bound(bv.begin(), bv.end(), curr_line + 1_vl);
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if (iter != bv.begin()) {
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--iter;
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content_line_t part_line = vt->lss->at(*iter);
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std::map<content_line_t, bookmark_metadata>& bm_meta
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= vt->lss->get_user_bookmark_metadata();
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std::map<content_line_t, bookmark_metadata>::iterator
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meta_iter;
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meta_iter = bm_meta.find(part_line);
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if (meta_iter != bm_meta.end()
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&& !meta_iter->second.bm_name.empty()) {
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sqlite3_result_text(ctx,
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meta_iter->second.bm_name.c_str(),
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meta_iter->second.bm_name.size(),
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SQLITE_TRANSIENT);
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} else {
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sqlite3_result_null(ctx);
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}
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} else {
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sqlite3_result_null(ctx);
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}
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}
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} break;
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case VT_COL_LOG_TIME: {
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char buffer[64];
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sql_strftime(
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buffer, sizeof(buffer), ll->get_time(), ll->get_millis());
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sqlite3_result_text(ctx, buffer, strlen(buffer), SQLITE_TRANSIENT);
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} break;
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case VT_COL_LOG_ACTUAL_TIME: {
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char buffer[64];
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|
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if (ll->is_time_skewed()) {
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if (vc->line_values.empty()) {
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lf->read_full_message(ll, vc->log_msg);
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vt->vi->extract(
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lf, line_number, vc->log_msg, vc->line_values);
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}
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struct line_range time_range;
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time_range = find_string_attr_range(vt->vi->vi_attrs,
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&logline::L_TIMESTAMP);
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|
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const char* time_src
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= vc->log_msg.get_data() + time_range.lr_start;
|
|
struct timeval actual_tv;
|
|
struct exttm tm;
|
|
|
|
if (lf->get_format()->lf_date_time.scan(
|
|
time_src,
|
|
time_range.length(),
|
|
lf->get_format()->get_timestamp_formats(),
|
|
&tm,
|
|
actual_tv,
|
|
false))
|
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{
|
|
sql_strftime(buffer, sizeof(buffer), actual_tv);
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|
}
|
|
} else {
|
|
sql_strftime(
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buffer, sizeof(buffer), ll->get_time(), ll->get_millis());
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}
|
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sqlite3_result_text(ctx, buffer, strlen(buffer), SQLITE_TRANSIENT);
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break;
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|
}
|
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|
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case VT_COL_IDLE_MSECS:
|
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if (vc->log_cursor.lc_curr_line == 0) {
|
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sqlite3_result_int64(ctx, 0);
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|
} else {
|
|
content_line_t prev_cl(
|
|
vt->lss->at(vis_line_t(vc->log_cursor.lc_curr_line - 1)));
|
|
auto prev_lf = vt->lss->find(prev_cl);
|
|
auto prev_ll = prev_lf->begin() + prev_cl;
|
|
uint64_t prev_time, curr_line_time;
|
|
|
|
prev_time = prev_ll->get_time() * 1000ULL;
|
|
prev_time += prev_ll->get_millis();
|
|
curr_line_time = ll->get_time() * 1000ULL;
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|
curr_line_time += ll->get_millis();
|
|
// require(curr_line_time >= prev_time);
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|
sqlite3_result_int64(ctx, curr_line_time - prev_time);
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}
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break;
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|
|
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case VT_COL_LEVEL: {
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const char* level_name = ll->get_level_name();
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sqlite3_result_text(
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ctx, level_name, strlen(level_name), SQLITE_STATIC);
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} break;
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|
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case VT_COL_MARK: {
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sqlite3_result_int(ctx, ll->is_marked());
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|
} break;
|
|
|
|
case VT_COL_LOG_COMMENT: {
|
|
const auto& bm = vt->lss->get_user_bookmark_metadata();
|
|
|
|
auto bm_iter = bm.find(vt->lss->at(vc->log_cursor.lc_curr_line));
|
|
if (bm_iter == bm.end() || bm_iter->second.bm_comment.empty()) {
|
|
sqlite3_result_null(ctx);
|
|
} else {
|
|
const bookmark_metadata& meta = bm_iter->second;
|
|
sqlite3_result_text(ctx,
|
|
meta.bm_comment.c_str(),
|
|
meta.bm_comment.length(),
|
|
SQLITE_TRANSIENT);
|
|
}
|
|
break;
|
|
}
|
|
|
|
case VT_COL_LOG_TAGS: {
|
|
const auto& bm = vt->lss->get_user_bookmark_metadata();
|
|
|
|
auto bm_iter = bm.find(vt->lss->at(vc->log_cursor.lc_curr_line));
|
|
if (bm_iter == bm.end() || bm_iter->second.bm_tags.empty()) {
|
|
sqlite3_result_null(ctx);
|
|
} else {
|
|
const bookmark_metadata& meta = bm_iter->second;
|
|
|
|
yajlpp_gen gen;
|
|
|
|
yajl_gen_config(gen, yajl_gen_beautify, false);
|
|
|
|
{
|
|
yajlpp_array arr(gen);
|
|
|
|
for (const auto& str : meta.bm_tags) {
|
|
arr.gen(str);
|
|
}
|
|
}
|
|
|
|
string_fragment sf = gen.to_string_fragment();
|
|
|
|
sqlite3_result_text(
|
|
ctx, sf.data(), sf.length(), SQLITE_TRANSIENT);
|
|
sqlite3_result_subtype(ctx, 'J');
|
|
}
|
|
break;
|
|
}
|
|
|
|
case VT_COL_FILTERS: {
|
|
auto& filter_mask
|
|
= (*ld)->ld_filter_state.lfo_filter_state.tfs_mask;
|
|
|
|
if (!filter_mask[line_number]) {
|
|
sqlite3_result_null(ctx);
|
|
} else {
|
|
auto& filters = vt->lss->get_filters();
|
|
yajlpp_gen gen;
|
|
|
|
yajl_gen_config(gen, yajl_gen_beautify, false);
|
|
|
|
{
|
|
yajlpp_array arr(gen);
|
|
|
|
for (auto& filter : filters) {
|
|
if (filter->lf_deleted) {
|
|
continue;
|
|
}
|
|
|
|
uint32_t mask = (1UL << filter->get_index());
|
|
|
|
if (filter_mask[line_number] & mask) {
|
|
arr.gen(filter->get_index());
|
|
}
|
|
}
|
|
}
|
|
|
|
to_sqlite(ctx, gen.to_string_fragment());
|
|
sqlite3_result_subtype(ctx, 'J');
|
|
}
|
|
break;
|
|
}
|
|
|
|
default:
|
|
if (col > (VT_COL_MAX + vt->vi->vi_column_count - 1)) {
|
|
int post_col_number
|
|
= col - (VT_COL_MAX + vt->vi->vi_column_count - 1) - 1;
|
|
|
|
switch (post_col_number) {
|
|
case 0: {
|
|
sqlite3_result_int64(ctx, ll->get_time_in_millis());
|
|
break;
|
|
}
|
|
case 1: {
|
|
const auto& fn = lf->get_filename();
|
|
|
|
sqlite3_result_text(
|
|
ctx, fn.c_str(), fn.length(), SQLITE_STATIC);
|
|
break;
|
|
}
|
|
case 2: {
|
|
shared_buffer_ref line;
|
|
|
|
lf->read_full_message(ll, line);
|
|
sqlite3_result_text(ctx,
|
|
line.get_data(),
|
|
line.length(),
|
|
SQLITE_TRANSIENT);
|
|
break;
|
|
}
|
|
case 3: {
|
|
if (vc->line_values.empty()) {
|
|
lf->read_full_message(ll, vc->log_msg);
|
|
vt->vi->extract(
|
|
lf, line_number, vc->log_msg, vc->line_values);
|
|
}
|
|
|
|
struct line_range body_range;
|
|
|
|
body_range = find_string_attr_range(vt->vi->vi_attrs,
|
|
&SA_BODY);
|
|
if (!body_range.is_valid()) {
|
|
sqlite3_result_null(ctx);
|
|
} else {
|
|
const char* msg_start = vc->log_msg.get_data();
|
|
|
|
sqlite3_result_text(ctx,
|
|
&msg_start[body_range.lr_start],
|
|
body_range.length(),
|
|
SQLITE_TRANSIENT);
|
|
}
|
|
break;
|
|
}
|
|
case 4: {
|
|
auto read_res = lf->read_raw_message(ll);
|
|
|
|
if (read_res.isErr()) {
|
|
auto msg = fmt::format(
|
|
FMT_STRING("unable to read line -- {}"),
|
|
read_res.unwrapErr());
|
|
sqlite3_result_error(
|
|
ctx, msg.c_str(), msg.length());
|
|
} else {
|
|
auto sbr = read_res.unwrap();
|
|
|
|
sqlite3_result_text(ctx,
|
|
sbr.get_data(),
|
|
sbr.length(),
|
|
SQLITE_TRANSIENT);
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
} else {
|
|
if (vc->line_values.empty()) {
|
|
lf->read_full_message(ll, vc->log_msg);
|
|
vt->vi->extract(
|
|
lf, line_number, vc->log_msg, vc->line_values);
|
|
}
|
|
|
|
size_t sub_col = col - VT_COL_MAX;
|
|
std::vector<logline_value>::iterator lv_iter;
|
|
|
|
lv_iter = find_if(vc->line_values.begin(),
|
|
vc->line_values.end(),
|
|
logline_value_cmp(NULL, sub_col));
|
|
|
|
if (lv_iter != vc->line_values.end()) {
|
|
if (!lv_iter->lv_meta.lvm_struct_name.empty()) {
|
|
yajlpp_gen gen;
|
|
yajl_gen_config(gen, yajl_gen_beautify, false);
|
|
|
|
{
|
|
yajlpp_map root(gen);
|
|
|
|
for (auto& lv_struct : vc->line_values) {
|
|
if (lv_struct.lv_meta.lvm_column != sub_col) {
|
|
continue;
|
|
}
|
|
|
|
root.gen(lv_struct.lv_meta.lvm_name);
|
|
switch (lv_struct.lv_meta.lvm_kind) {
|
|
case value_kind_t::VALUE_NULL:
|
|
root.gen();
|
|
break;
|
|
case value_kind_t::VALUE_BOOLEAN:
|
|
root.gen((bool) lv_struct.lv_value.i);
|
|
break;
|
|
case value_kind_t::VALUE_INTEGER:
|
|
root.gen(lv_struct.lv_value.i);
|
|
break;
|
|
case value_kind_t::VALUE_FLOAT:
|
|
root.gen(lv_struct.lv_value.d);
|
|
break;
|
|
case value_kind_t::VALUE_JSON: {
|
|
auto_mem<yajl_handle_t> parse_handle(
|
|
yajl_free);
|
|
json_ptr jp("");
|
|
json_op jo(jp);
|
|
|
|
jo.jo_ptr_callbacks
|
|
= json_op::gen_callbacks;
|
|
jo.jo_ptr_data = gen;
|
|
parse_handle.reset(
|
|
yajl_alloc(&json_op::ptr_callbacks,
|
|
nullptr,
|
|
&jo));
|
|
|
|
auto json_in
|
|
= (const unsigned char*)
|
|
lv_struct.text_value();
|
|
auto json_len = lv_struct.text_length();
|
|
|
|
if (yajl_parse(parse_handle.in(),
|
|
json_in,
|
|
json_len)
|
|
!= yajl_status_ok
|
|
|| yajl_complete_parse(
|
|
parse_handle.in())
|
|
!= yajl_status_ok)
|
|
{
|
|
log_error(
|
|
"failed to parse json value: "
|
|
"%.*s",
|
|
lv_struct.text_length(),
|
|
lv_struct.text_value());
|
|
root.gen(lv_struct.to_string());
|
|
}
|
|
break;
|
|
}
|
|
default:
|
|
root.gen(lv_struct.to_string());
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
auto sf = gen.to_string_fragment();
|
|
sqlite3_result_text(
|
|
ctx, sf.data(), sf.length(), SQLITE_TRANSIENT);
|
|
sqlite3_result_subtype(ctx, 74);
|
|
} else {
|
|
switch (lv_iter->lv_meta.lvm_kind) {
|
|
case value_kind_t::VALUE_NULL:
|
|
sqlite3_result_null(ctx);
|
|
break;
|
|
case value_kind_t::VALUE_JSON: {
|
|
sqlite3_result_text(ctx,
|
|
lv_iter->text_value(),
|
|
lv_iter->text_length(),
|
|
SQLITE_TRANSIENT);
|
|
sqlite3_result_subtype(ctx, 74);
|
|
break;
|
|
}
|
|
case value_kind_t::VALUE_STRUCT:
|
|
case value_kind_t::VALUE_TEXT:
|
|
case value_kind_t::VALUE_XML:
|
|
case value_kind_t::VALUE_TIMESTAMP: {
|
|
sqlite3_result_text(ctx,
|
|
lv_iter->text_value(),
|
|
lv_iter->text_length(),
|
|
SQLITE_TRANSIENT);
|
|
break;
|
|
}
|
|
case value_kind_t::VALUE_W3C_QUOTED:
|
|
case value_kind_t::VALUE_QUOTED:
|
|
if (lv_iter->lv_sbr.empty()) {
|
|
sqlite3_result_text(
|
|
ctx, "", 0, SQLITE_STATIC);
|
|
} else {
|
|
const char* text_value
|
|
= lv_iter->lv_sbr.get_data();
|
|
size_t text_len = lv_iter->lv_sbr.length();
|
|
|
|
switch (text_value[0]) {
|
|
case '\'':
|
|
case '"': {
|
|
char* val = (char*) sqlite3_malloc(
|
|
text_len);
|
|
|
|
if (val == nullptr) {
|
|
sqlite3_result_error_nomem(ctx);
|
|
} else {
|
|
auto unquote_func
|
|
= lv_iter->lv_meta.lvm_kind
|
|
== value_kind_t::
|
|
VALUE_W3C_QUOTED
|
|
? unquote_w3c
|
|
: unquote;
|
|
|
|
size_t unquoted_len
|
|
= unquote_func(val,
|
|
text_value,
|
|
text_len);
|
|
sqlite3_result_text(
|
|
ctx,
|
|
val,
|
|
unquoted_len,
|
|
sqlite3_free);
|
|
}
|
|
break;
|
|
}
|
|
default: {
|
|
sqlite3_result_text(
|
|
ctx,
|
|
text_value,
|
|
lv_iter->lv_sbr.length(),
|
|
SQLITE_TRANSIENT);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
|
|
case value_kind_t::VALUE_BOOLEAN:
|
|
case value_kind_t::VALUE_INTEGER:
|
|
sqlite3_result_int64(ctx, lv_iter->lv_value.i);
|
|
break;
|
|
|
|
case value_kind_t::VALUE_FLOAT:
|
|
sqlite3_result_double(ctx, lv_iter->lv_value.d);
|
|
break;
|
|
|
|
case value_kind_t::VALUE_UNKNOWN:
|
|
case value_kind_t::VALUE__MAX:
|
|
require(0);
|
|
break;
|
|
}
|
|
}
|
|
} else {
|
|
sqlite3_result_null(ctx);
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
|
|
return SQLITE_OK;
|
|
}
|
|
|
|
static int
|
|
vt_rowid(sqlite3_vtab_cursor* cur, sqlite_int64* p_rowid)
|
|
{
|
|
vtab_cursor* p_cur = (vtab_cursor*) cur;
|
|
|
|
*p_rowid = (((uint64_t) p_cur->log_cursor.lc_curr_line) << 8)
|
|
| (p_cur->log_cursor.lc_sub_index & 0xff);
|
|
|
|
return SQLITE_OK;
|
|
}
|
|
|
|
void
|
|
log_cursor::update(unsigned char op, vis_line_t vl, bool exact)
|
|
{
|
|
if (vl < 0) {
|
|
vl = -1_vl;
|
|
}
|
|
switch (op) {
|
|
case SQLITE_INDEX_CONSTRAINT_EQ:
|
|
if (vl < this->lc_end_line) {
|
|
this->lc_curr_line = vl;
|
|
this->lc_end_line = vis_line_t(this->lc_curr_line + 1);
|
|
}
|
|
break;
|
|
case SQLITE_INDEX_CONSTRAINT_GE:
|
|
this->lc_curr_line = vl;
|
|
break;
|
|
case SQLITE_INDEX_CONSTRAINT_GT:
|
|
this->lc_curr_line = vis_line_t(vl + (exact ? 1 : 0));
|
|
break;
|
|
case SQLITE_INDEX_CONSTRAINT_LE:
|
|
this->lc_end_line = vis_line_t(vl + (exact ? 1 : 0));
|
|
break;
|
|
case SQLITE_INDEX_CONSTRAINT_LT:
|
|
this->lc_end_line = vl;
|
|
break;
|
|
}
|
|
}
|
|
|
|
static int
|
|
vt_filter(sqlite3_vtab_cursor* p_vtc,
|
|
int idxNum,
|
|
const char* idxStr,
|
|
int argc,
|
|
sqlite3_value** argv)
|
|
{
|
|
vtab_cursor* p_cur = (vtab_cursor*) p_vtc;
|
|
vtab* vt = (vtab*) p_vtc->pVtab;
|
|
sqlite3_index_info::sqlite3_index_constraint* index
|
|
= (sqlite3_index_info::sqlite3_index_constraint*) idxStr;
|
|
|
|
log_info("(%p) filter called: %d", vt, idxNum);
|
|
p_cur->log_cursor.lc_curr_line = -1_vl;
|
|
p_cur->log_cursor.lc_end_line = vis_line_t(vt->lss->text_line_count());
|
|
vt_next(p_vtc);
|
|
|
|
if (!idxNum) {
|
|
return SQLITE_OK;
|
|
}
|
|
|
|
for (int lpc = 0; lpc < idxNum; lpc++) {
|
|
switch (index[lpc].iColumn) {
|
|
case VT_COL_LINE_NUMBER:
|
|
p_cur->log_cursor.update(
|
|
index[lpc].op, vis_line_t(sqlite3_value_int64(argv[lpc])));
|
|
break;
|
|
|
|
case VT_COL_LOG_TIME:
|
|
if (sqlite3_value_type(argv[lpc]) == SQLITE3_TEXT) {
|
|
const unsigned char* datestr
|
|
= sqlite3_value_text(argv[lpc]);
|
|
date_time_scanner dts;
|
|
struct timeval tv;
|
|
struct exttm mytm;
|
|
|
|
dts.scan((const char*) datestr,
|
|
strlen((const char*) datestr),
|
|
NULL,
|
|
&mytm,
|
|
tv);
|
|
auto vl_opt = vt->lss->find_from_time(tv);
|
|
if (!vl_opt) {
|
|
p_cur->log_cursor.lc_curr_line
|
|
= p_cur->log_cursor.lc_end_line;
|
|
} else {
|
|
p_cur->log_cursor.update(
|
|
index[lpc].op, vl_opt.value(), false);
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
while (!p_cur->log_cursor.is_eof()
|
|
&& !vt->vi->is_valid(p_cur->log_cursor, *vt->lss))
|
|
{
|
|
p_cur->log_cursor.lc_curr_line += 1_vl;
|
|
}
|
|
|
|
return SQLITE_OK;
|
|
}
|
|
|
|
static int
|
|
vt_best_index(sqlite3_vtab* tab, sqlite3_index_info* p_info)
|
|
{
|
|
std::vector<sqlite3_index_info::sqlite3_index_constraint> indexes;
|
|
int argvInUse = 0;
|
|
vtab* vt = (vtab*) tab;
|
|
|
|
log_info(
|
|
"(%p) best index called: nConstraint=%d", tab, p_info->nConstraint);
|
|
if (!vt->vi->vi_supports_indexes) {
|
|
return SQLITE_OK;
|
|
}
|
|
for (int lpc = 0; lpc < p_info->nConstraint; lpc++) {
|
|
if (!p_info->aConstraint[lpc].usable
|
|
|| p_info->aConstraint[lpc].op == SQLITE_INDEX_CONSTRAINT_MATCH)
|
|
{
|
|
continue;
|
|
}
|
|
|
|
switch (p_info->aConstraint[lpc].iColumn) {
|
|
case VT_COL_LINE_NUMBER:
|
|
argvInUse += 1;
|
|
indexes.push_back(p_info->aConstraint[lpc]);
|
|
p_info->aConstraintUsage[lpc].argvIndex = argvInUse;
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (!argvInUse) {
|
|
for (int lpc = 0; lpc < p_info->nConstraint; lpc++) {
|
|
if (!p_info->aConstraint[lpc].usable
|
|
|| p_info->aConstraint[lpc].op == SQLITE_INDEX_CONSTRAINT_MATCH)
|
|
{
|
|
continue;
|
|
}
|
|
|
|
switch (p_info->aConstraint[lpc].iColumn) {
|
|
case VT_COL_LOG_TIME:
|
|
argvInUse += 1;
|
|
indexes.push_back(p_info->aConstraint[lpc]);
|
|
p_info->aConstraintUsage[lpc].argvIndex = argvInUse;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (argvInUse) {
|
|
sqlite3_index_info::sqlite3_index_constraint* index_copy;
|
|
size_t len = indexes.size() * sizeof(*index_copy);
|
|
|
|
log_info("found index, passing %d args", argvInUse);
|
|
|
|
index_copy
|
|
= (sqlite3_index_info::sqlite3_index_constraint*) sqlite3_malloc(
|
|
len);
|
|
if (!index_copy) {
|
|
return SQLITE_NOMEM;
|
|
}
|
|
memcpy(index_copy, &indexes[0], len);
|
|
p_info->idxNum = argvInUse;
|
|
p_info->idxStr = (char*) index_copy;
|
|
p_info->needToFreeIdxStr = 1;
|
|
p_info->estimatedCost = 10.0;
|
|
}
|
|
|
|
return SQLITE_OK;
|
|
}
|
|
|
|
static struct json_path_container tags_handler = {
|
|
json_path_handler("#")
|
|
.with_synopsis("tag")
|
|
.with_description("A tag for the log line")
|
|
.with_pattern(R"(^#[^\s]+$)")
|
|
.FOR_FIELD(bookmark_metadata, bm_tags),
|
|
};
|
|
|
|
static int
|
|
vt_update(sqlite3_vtab* tab,
|
|
int argc,
|
|
sqlite3_value** argv,
|
|
sqlite_int64* rowid_out)
|
|
{
|
|
vtab* vt = (vtab*) tab;
|
|
int retval = SQLITE_READONLY;
|
|
|
|
if (argc > 1 && sqlite3_value_type(argv[0]) != SQLITE_NULL
|
|
&& sqlite3_value_int64(argv[0]) == sqlite3_value_int64(argv[1]))
|
|
{
|
|
int64_t rowid = sqlite3_value_int64(argv[0]) >> 8;
|
|
int val = sqlite3_value_int(argv[2 + VT_COL_MARK]);
|
|
vis_line_t vrowid(rowid);
|
|
|
|
std::map<content_line_t, bookmark_metadata>& bm
|
|
= vt->lss->get_user_bookmark_metadata();
|
|
const auto* part_name = sqlite3_value_text(argv[2 + VT_COL_PARTITION]);
|
|
const auto* log_comment
|
|
= sqlite3_value_text(argv[2 + VT_COL_LOG_COMMENT]);
|
|
const auto* log_tags = sqlite3_value_text(argv[2 + VT_COL_LOG_TAGS]);
|
|
bookmark_metadata tmp_bm;
|
|
|
|
if (log_tags) {
|
|
std::vector<lnav::console::user_message> errors;
|
|
yajlpp_parse_context ypc(vt->vi->get_tags_name(), &tags_handler);
|
|
auto_mem<yajl_handle_t> handle(yajl_free);
|
|
|
|
handle = yajl_alloc(&ypc.ypc_callbacks, nullptr, &ypc);
|
|
ypc.ypc_userdata = &errors;
|
|
ypc.ypc_line_number = log_vtab_data.lvd_location.sl_line_number;
|
|
ypc.with_handle(handle)
|
|
.with_error_reporter([](const yajlpp_parse_context& ypc,
|
|
auto msg) {
|
|
auto& errors = *((std::vector<lnav::console::user_message>*)
|
|
ypc.ypc_userdata);
|
|
errors.emplace_back(msg);
|
|
})
|
|
.with_obj(tmp_bm);
|
|
ypc.parse_doc(string_fragment{log_tags});
|
|
if (!errors.empty()) {
|
|
auto top_error = lnav::console::user_message::error(
|
|
attr_line_t("invalid value for ")
|
|
.append_quoted("log_tags"_symbol)
|
|
.append(" column of table ")
|
|
.append_quoted(lnav::roles::symbol(
|
|
vt->vi->get_name().to_string())))
|
|
.with_reason(errors[0].to_attr_line({}))
|
|
.with_snippet(lnav::console::snippet::from(
|
|
log_vtab_data.lvd_location,
|
|
log_vtab_data.lvd_content));
|
|
auto json_error = lnav::to_json(top_error);
|
|
tab->zErrMsg
|
|
= sqlite3_mprintf("lnav-error:%s", json_error.c_str());
|
|
log_debug("dump %s", json_error.c_str());
|
|
return SQLITE_ERROR;
|
|
}
|
|
}
|
|
|
|
bookmark_vector<vis_line_t>& bv
|
|
= vt->tc->get_bookmarks()[&textview_curses::BM_META];
|
|
bool has_meta = part_name != nullptr || log_comment != nullptr
|
|
|| log_tags != nullptr;
|
|
|
|
if (binary_search(bv.begin(), bv.end(), vrowid) && !has_meta) {
|
|
vt->tc->set_user_mark(&textview_curses::BM_META, vrowid, false);
|
|
bm.erase(vt->lss->at(vrowid));
|
|
vt->lss->set_line_meta_changed();
|
|
}
|
|
|
|
if (has_meta) {
|
|
bookmark_metadata& line_meta = bm[vt->lss->at(vrowid)];
|
|
|
|
vt->tc->set_user_mark(&textview_curses::BM_META, vrowid, true);
|
|
if (part_name) {
|
|
line_meta.bm_name = std::string((const char*) part_name);
|
|
} else {
|
|
line_meta.bm_name.clear();
|
|
}
|
|
if (log_comment) {
|
|
line_meta.bm_comment = std::string((const char*) log_comment);
|
|
} else {
|
|
line_meta.bm_comment.clear();
|
|
}
|
|
if (log_tags) {
|
|
line_meta.bm_tags.clear();
|
|
for (const auto& tag : tmp_bm.bm_tags) {
|
|
line_meta.add_tag(tag);
|
|
}
|
|
|
|
for (const auto& tag : line_meta.bm_tags) {
|
|
bookmark_metadata::KNOWN_TAGS.insert(tag);
|
|
}
|
|
} else {
|
|
line_meta.bm_tags.clear();
|
|
}
|
|
|
|
vt->lss->set_line_meta_changed();
|
|
}
|
|
|
|
vt->tc->set_user_mark(&textview_curses::BM_USER, vrowid, val);
|
|
rowid += 1;
|
|
while ((size_t) rowid < vt->lss->text_line_count()) {
|
|
vis_line_t vl(rowid);
|
|
content_line_t cl = vt->lss->at(vl);
|
|
logline* ll = vt->lss->find_line(cl);
|
|
if (ll->is_message()) {
|
|
break;
|
|
}
|
|
vt->tc->set_user_mark(&textview_curses::BM_USER, vl, val);
|
|
rowid += 1;
|
|
}
|
|
|
|
if (retval != SQLITE_ERROR) {
|
|
retval = SQLITE_OK;
|
|
}
|
|
}
|
|
|
|
return retval;
|
|
}
|
|
|
|
static sqlite3_module generic_vtab_module = {
|
|
0, /* iVersion */
|
|
vt_create, /* xCreate - create a vtable */
|
|
vt_connect, /* xConnect - associate a vtable with a connection */
|
|
vt_best_index, /* xBestIndex - best index */
|
|
vt_disconnect, /* xDisconnect - disassociate a vtable with a connection */
|
|
vt_destroy, /* xDestroy - destroy a vtable */
|
|
vt_open, /* xOpen - open a cursor */
|
|
vt_close, /* xClose - close a cursor */
|
|
vt_filter, /* xFilter - configure scan constraints */
|
|
vt_next, /* xNext - advance a cursor */
|
|
vt_eof, /* xEof - inidicate end of result set*/
|
|
vt_column, /* xColumn - read data */
|
|
vt_rowid, /* xRowid - read data */
|
|
vt_update, /* xUpdate - write data */
|
|
NULL, /* xBegin - begin transaction */
|
|
NULL, /* xSync - sync transaction */
|
|
NULL, /* xCommit - commit transaction */
|
|
NULL, /* xRollback - rollback transaction */
|
|
NULL, /* xFindFunction - function overloading */
|
|
};
|
|
|
|
static int
|
|
progress_callback(void* ptr)
|
|
{
|
|
int retval = 0;
|
|
|
|
if (log_vtab_data.lvd_progress != nullptr) {
|
|
retval = log_vtab_data.lvd_progress(log_cursor_latest);
|
|
}
|
|
|
|
return retval;
|
|
}
|
|
|
|
log_vtab_manager::log_vtab_manager(sqlite3* memdb,
|
|
textview_curses& tc,
|
|
logfile_sub_source& lss)
|
|
: vm_db(memdb), vm_textview(tc), vm_source(lss)
|
|
{
|
|
sqlite3_create_module(
|
|
this->vm_db, "log_vtab_impl", &generic_vtab_module, this);
|
|
sqlite3_progress_handler(memdb, 32, progress_callback, nullptr);
|
|
}
|
|
|
|
log_vtab_manager::~log_vtab_manager()
|
|
{
|
|
while (!this->vm_impls.empty()) {
|
|
auto first_name = this->vm_impls.begin()->first;
|
|
|
|
this->unregister_vtab(first_name);
|
|
}
|
|
}
|
|
|
|
std::string
|
|
log_vtab_manager::register_vtab(std::shared_ptr<log_vtab_impl> vi)
|
|
{
|
|
std::string retval;
|
|
|
|
if (this->vm_impls.find(vi->get_name()) == this->vm_impls.end()) {
|
|
auto_mem<char, sqlite3_free> errmsg;
|
|
auto_mem<char, sqlite3_free> sql;
|
|
int rc;
|
|
|
|
this->vm_impls[vi->get_name()] = vi;
|
|
|
|
sql = sqlite3_mprintf(
|
|
"CREATE VIRTUAL TABLE %s "
|
|
"USING log_vtab_impl(%s)",
|
|
vi->get_name().get(),
|
|
vi->get_name().get());
|
|
rc = sqlite3_exec(this->vm_db, sql, nullptr, nullptr, errmsg.out());
|
|
if (rc != SQLITE_OK) {
|
|
retval = errmsg;
|
|
}
|
|
} else {
|
|
retval = "a table with the given name already exists";
|
|
}
|
|
|
|
return retval;
|
|
}
|
|
|
|
std::string
|
|
log_vtab_manager::unregister_vtab(intern_string_t name)
|
|
{
|
|
std::string retval;
|
|
|
|
if (this->vm_impls.find(name) == this->vm_impls.end()) {
|
|
retval = fmt::format(FMT_STRING("unknown log line table -- {}"), name);
|
|
} else {
|
|
auto_mem<char, sqlite3_free> sql;
|
|
__attribute((unused)) int rc;
|
|
|
|
sql = sqlite3_mprintf("DROP TABLE %s ", name.get());
|
|
rc = sqlite3_exec(this->vm_db, sql, NULL, NULL, NULL);
|
|
|
|
this->vm_impls.erase(name);
|
|
}
|
|
|
|
return retval;
|
|
}
|
|
|
|
bool
|
|
log_format_vtab_impl::next(log_cursor& lc, logfile_sub_source& lss)
|
|
{
|
|
lc.lc_curr_line = lc.lc_curr_line + vis_line_t(1);
|
|
lc.lc_sub_index = 0;
|
|
|
|
if (lc.is_eof()) {
|
|
return true;
|
|
}
|
|
|
|
auto cl = content_line_t(lss.at(lc.lc_curr_line));
|
|
auto lf = lss.find(cl);
|
|
auto lf_iter = lf->begin() + cl;
|
|
uint8_t mod_id = lf_iter->get_module_id();
|
|
|
|
if (!lf_iter->is_message()) {
|
|
return false;
|
|
}
|
|
|
|
auto format = lf->get_format();
|
|
if (format->get_name() == this->lfvi_format.get_name()) {
|
|
return true;
|
|
} else if (mod_id && mod_id == this->lfvi_format.lf_mod_index) {
|
|
// XXX
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|