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902 lines
28 KiB
C++
902 lines
28 KiB
C++
/**
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* Copyright (c) 2015, 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 ON
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* 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 "config.h"
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#include <vector>
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#include "base/string_util.hh"
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#include "base/injector.hh"
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#include "yajlpp/json_ptr.hh"
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#include "lnav.hh"
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#include "log_format_loader.hh"
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#include "shlex.hh"
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#include "lnav_util.hh"
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#include "sql_util.hh"
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#include "lnav_config.hh"
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#include "service_tags.hh"
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#include "bound_tags.hh"
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#include "command_executor.hh"
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#include "db_sub_source.hh"
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#include "papertrail_proc.hh"
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using namespace std;
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exec_context INIT_EXEC_CONTEXT;
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bookmark_type_t BM_QUERY("query");
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static const string MSG_FORMAT_STMT = R"(
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SELECT count(*) AS total, min(log_line) AS log_line, log_msg_format
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FROM all_logs
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GROUP BY log_msg_format
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ORDER BY total DESC
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)";
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int sql_progress(const struct log_cursor &lc)
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{
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static sig_atomic_t sql_counter = 0;
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size_t total = lnav_data.ld_log_source.text_line_count();
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off_t off = lc.lc_curr_line;
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if (off < 0) {
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return 0;
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}
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if (lnav_data.ld_window == nullptr) {
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return 0;
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}
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if (!lnav_data.ld_looping) {
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return 1;
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}
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if (ui_periodic_timer::singleton().time_to_update(sql_counter)) {
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lnav_data.ld_bottom_source.update_loading(off, total);
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lnav_data.ld_top_source.update_time();
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lnav_data.ld_status[LNS_TOP].do_update();
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lnav_data.ld_status[LNS_BOTTOM].do_update();
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refresh();
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}
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return 0;
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}
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void sql_progress_finished()
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{
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if (lnav_data.ld_window == nullptr) {
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return;
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}
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lnav_data.ld_bottom_source.update_loading(0, 0);
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lnav_data.ld_top_source.update_time();
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lnav_data.ld_status[LNS_TOP].do_update();
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lnav_data.ld_status[LNS_BOTTOM].do_update();
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lnav_data.ld_views[LNV_DB].redo_search();
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}
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Result<string, string> execute_from_file(exec_context &ec, const ghc::filesystem::path &path, int line_number, char mode, const string &cmdline);
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Result<string, string> execute_command(exec_context &ec, const string &cmdline)
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{
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vector<string> args;
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log_info("Executing: %s", cmdline.c_str());
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split_ws(cmdline, args);
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if (!args.empty()) {
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readline_context::command_map_t::iterator iter;
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if ((iter = lnav_commands.find(args[0])) == lnav_commands.end()) {
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return ec.make_error("unknown command - {}", args[0]);
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}
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else {
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return iter->second->c_func(ec, cmdline, args);
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}
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}
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return ec.make_error("no command to execute");
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}
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Result<string, string> execute_sql(exec_context &ec, const string &sql, string &alt_msg)
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{
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db_label_source &dls = lnav_data.ld_db_row_source;
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auto_mem<sqlite3_stmt> stmt(sqlite3_finalize);
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struct timeval start_tv, end_tv;
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string stmt_str = trim(sql);
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string retval;
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int retcode;
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log_info("Executing SQL: %s", sql.c_str());
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lnav_data.ld_bottom_source.grep_error("");
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if (startswith(stmt_str, ".")) {
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vector<string> args;
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split_ws(stmt_str, args);
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auto sql_cmd_map = injector::get<
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readline_context::command_map_t *, sql_cmd_map_tag>();
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auto cmd_iter = sql_cmd_map->find(args[0]);
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if (cmd_iter != sql_cmd_map->end()) {
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return cmd_iter->second->c_func(ec, stmt_str, args);
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}
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}
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if (stmt_str == ".msgformats") {
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stmt_str = MSG_FORMAT_STMT;
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}
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ec.ec_accumulator.clear();
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pair<string, int> source = ec.ec_source.top();
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sql_progress_guard progress_guard(sql_progress,
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sql_progress_finished,
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source.first,
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source.second);
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gettimeofday(&start_tv, nullptr);
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retcode = sqlite3_prepare_v2(lnav_data.ld_db.in(),
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stmt_str.c_str(),
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-1,
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stmt.out(),
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nullptr);
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if (retcode != SQLITE_OK) {
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const char *errmsg = sqlite3_errmsg(lnav_data.ld_db);
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alt_msg = "";
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return ec.make_error("{}", errmsg);
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}
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else if (stmt == nullptr) {
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alt_msg = "";
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return ec.make_error("No statement given");
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}
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#ifdef HAVE_SQLITE3_STMT_READONLY
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else if (ec.is_read_only() && !sqlite3_stmt_readonly(stmt.in())) {
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return ec.make_error(
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"modifying statements are not allowed in this context: {}", sql);
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}
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#endif
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else {
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bool done = false;
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int param_count;
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param_count = sqlite3_bind_parameter_count(stmt.in());
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for (int lpc = 0; lpc < param_count; lpc++) {
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map<string, string>::iterator ov_iter;
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const char *name;
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name = sqlite3_bind_parameter_name(stmt.in(), lpc + 1);
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ov_iter = ec.ec_override.find(name);
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if (ov_iter != ec.ec_override.end()) {
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sqlite3_bind_text(stmt.in(),
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lpc,
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ov_iter->second.c_str(),
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ov_iter->second.length(),
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SQLITE_TRANSIENT);
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}
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else if (name[0] == '$') {
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const auto &lvars = ec.ec_local_vars.top();
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const auto &gvars = ec.ec_global_vars;
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map<string, string>::const_iterator local_var, global_var;
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const char *env_value;
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if (lnav_data.ld_window) {
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char buf[32];
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int lines, cols;
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getmaxyx(lnav_data.ld_window, lines, cols);
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if (strcmp(name, "$LINES") == 0) {
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snprintf(buf, sizeof(buf), "%d", lines);
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sqlite3_bind_text(stmt.in(), lpc + 1,
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buf, -1,
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SQLITE_TRANSIENT);
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} else if (strcmp(name, "$COLS") == 0) {
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snprintf(buf, sizeof(buf), "%d", cols);
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sqlite3_bind_text(stmt.in(), lpc + 1,
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buf, -1,
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SQLITE_TRANSIENT);
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}
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}
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if ((local_var = lvars.find(&name[1])) != lvars.end()) {
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sqlite3_bind_text(stmt.in(), lpc + 1,
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local_var->second.c_str(), -1,
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SQLITE_TRANSIENT);
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}
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else if ((global_var = gvars.find(&name[1])) != gvars.end()) {
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sqlite3_bind_text(stmt.in(), lpc + 1,
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global_var->second.c_str(), -1,
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SQLITE_TRANSIENT);
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}
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else if ((env_value = getenv(&name[1])) != nullptr) {
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sqlite3_bind_text(stmt.in(), lpc + 1, env_value, -1, SQLITE_STATIC);
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}
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}
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else if (name[0] == ':' && ec.ec_line_values != nullptr) {
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for (auto& lv : *ec.ec_line_values) {
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if (lv.lv_meta.lvm_name != &name[1]) {
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continue;
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}
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switch (lv.lv_meta.lvm_kind) {
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case value_kind_t::VALUE_BOOLEAN:
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sqlite3_bind_int64(stmt.in(), lpc + 1, lv.lv_value.i);
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break;
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case value_kind_t::VALUE_FLOAT:
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sqlite3_bind_double(stmt.in(), lpc + 1, lv.lv_value.d);
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break;
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case value_kind_t::VALUE_INTEGER:
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sqlite3_bind_int64(stmt.in(), lpc + 1, lv.lv_value.i);
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break;
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case value_kind_t::VALUE_NULL:
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sqlite3_bind_null(stmt.in(), lpc + 1);
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break;
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default:
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sqlite3_bind_text(stmt.in(),
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lpc + 1,
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lv.text_value(),
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lv.text_length(),
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SQLITE_TRANSIENT);
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break;
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}
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}
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}
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else {
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sqlite3_bind_null(stmt.in(), lpc + 1);
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log_warning("Could not bind variable: %s", name);
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}
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}
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if (lnav_data.ld_rl_view != nullptr) {
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lnav_data.ld_rl_view->set_value("Executing query: " + sql + " ...");
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}
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ec.ec_sql_callback(ec, stmt.in());
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while (!done) {
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retcode = sqlite3_step(stmt.in());
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switch (retcode) {
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case SQLITE_OK:
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case SQLITE_DONE:
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done = true;
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break;
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case SQLITE_ROW:
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ec.ec_sql_callback(ec, stmt.in());
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break;
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default: {
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const char *errmsg;
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log_error("sqlite3_step error code: %d", retcode);
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errmsg = sqlite3_errmsg(lnav_data.ld_db);
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return ec.make_error("{}", errmsg);
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break;
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}
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}
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}
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if (!dls.dls_rows.empty() && !ec.ec_local_vars.empty() &&
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!ec.ec_dry_run) {
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auto &vars = ec.ec_local_vars.top();
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for (unsigned int lpc = 0; lpc < dls.dls_headers.size(); lpc++) {
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const auto &column_name = dls.dls_headers[lpc].hm_name;
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if (sql_ident_needs_quote(column_name.c_str())) {
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continue;
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}
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const auto* value = dls.dls_rows[0][lpc];
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if (value == nullptr) {
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continue;
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}
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vars[column_name] = value;
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}
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}
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if (lnav_data.ld_rl_view != nullptr) {
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lnav_data.ld_rl_view->set_value("");
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}
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}
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gettimeofday(&end_tv, nullptr);
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if (retcode == SQLITE_DONE) {
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lnav_data.ld_filter_view.reload_data();
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lnav_data.ld_files_view.reload_data();
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lnav_data.ld_views[LNV_DB].reload_data();
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lnav_data.ld_views[LNV_DB].set_left(0);
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if (!ec.ec_accumulator.empty()) {
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retval = ec.ec_accumulator.get_string();
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}
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else if (!dls.dls_rows.empty()) {
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vis_bookmarks &bm = lnav_data.ld_views[LNV_LOG].get_bookmarks();
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if (lnav_data.ld_flags & LNF_HEADLESS) {
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if (ec.ec_local_vars.size() == 1) {
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ensure_view(&lnav_data.ld_views[LNV_DB]);
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}
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retval = "";
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alt_msg = "";
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}
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else if (dls.dls_headers.size() == 1 && !bm[&BM_QUERY].empty()) {
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retval = "";
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alt_msg = HELP_MSG_2(
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y, Y,
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"to move forward/backward through query results "
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"in the log view");
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}
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else if (dls.dls_rows.size() == 1) {
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auto &row = dls.dls_rows[0];
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if (dls.dls_headers.size() == 1) {
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retval = row[0];
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} else {
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for (unsigned int lpc = 0; lpc < dls.dls_headers.size(); lpc++) {
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if (lpc > 0) {
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retval.append("; ");
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}
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retval.append(dls.dls_headers[lpc].hm_name);
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retval.push_back('=');
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retval.append(row[lpc]);
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}
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}
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}
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else {
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int row_count = dls.dls_rows.size();
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char row_count_buf[128];
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struct timeval diff_tv;
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timersub(&end_tv, &start_tv, &diff_tv);
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snprintf(row_count_buf, sizeof(row_count_buf),
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ANSI_BOLD("%'d") " row%s matched in "
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ANSI_BOLD("%ld.%03ld") " seconds",
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row_count,
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row_count == 1 ? "" : "s",
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diff_tv.tv_sec,
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std::max((long) diff_tv.tv_usec / 1000, 1L));
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retval = row_count_buf;
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alt_msg = HELP_MSG_2(
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y, Y,
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"to move forward/backward through query results "
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"in the log view");
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}
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}
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#ifdef HAVE_SQLITE3_STMT_READONLY
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else if (sqlite3_stmt_readonly(stmt.in())) {
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retval = "info: No rows matched";
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alt_msg = "";
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if (lnav_data.ld_flags & LNF_HEADLESS) {
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if (ec.ec_local_vars.size() == 1) {
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ensure_view(&lnav_data.ld_views[LNV_DB]);
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}
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}
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}
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#endif
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}
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return Ok(retval);
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}
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static Result<string, string> execute_file_contents(exec_context &ec, const ghc::filesystem::path &path, bool multiline)
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{
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static ghc::filesystem::path stdin_path("-");
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static ghc::filesystem::path dev_stdin_path("/dev/stdin");
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string retval;
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FILE *file;
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if (path == stdin_path || path == dev_stdin_path) {
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if (isatty(STDIN_FILENO)) {
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return ec.make_error("stdin has already been consumed");
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}
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file = stdin;
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}
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else if ((file = fopen(path.c_str(), "r")) == nullptr) {
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return ec.make_error("unable to open file");
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}
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int line_number = 0, starting_line_number = 0;
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auto_mem<char> line;
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size_t line_max_size;
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ssize_t line_size;
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string cmdline;
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char mode = '\0';
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ec.ec_path_stack.emplace_back(path.parent_path());
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exec_context::output_guard og(ec);
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while ((line_size = getline(line.out(), &line_max_size, file)) != -1) {
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line_number += 1;
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if (trim(line.in()).empty()) {
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continue;
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}
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if (line[0] == '#') {
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continue;
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}
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switch (line[0]) {
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case ':':
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case '/':
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case ';':
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case '|':
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if (mode) {
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retval = TRY(execute_from_file(ec, path, starting_line_number, mode, trim(cmdline)));
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}
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starting_line_number = line_number;
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mode = line[0];
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cmdline = string(&line[1]);
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break;
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default:
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if (multiline) {
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cmdline += line;
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}
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else {
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retval = TRY(execute_from_file(ec, path, line_number, ':', line.in()));
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}
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break;
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}
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}
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if (mode) {
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retval = TRY(execute_from_file(ec, path, starting_line_number, mode, trim(cmdline)));
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}
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if (file == stdin) {
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if (isatty(STDOUT_FILENO)) {
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log_perror(dup2(STDOUT_FILENO, STDIN_FILENO));
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}
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} else {
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fclose(file);
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}
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ec.ec_path_stack.pop_back();
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return Ok(retval);
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}
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Result<string, string> execute_file(exec_context &ec, const string &path_and_args, bool multiline)
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{
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available_scripts scripts;
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vector<string> split_args;
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string retval, msg;
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shlex lexer(path_and_args);
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log_info("Executing file: %s", path_and_args.c_str());
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if (!lexer.split(split_args, ec.ec_local_vars.top())) {
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return ec.make_error("unable to parse path");
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}
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if (split_args.empty()) {
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return ec.make_error("no script specified");
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}
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|
|
ec.ec_local_vars.push({});
|
|
|
|
auto script_name = split_args[0];
|
|
auto& vars = ec.ec_local_vars.top();
|
|
char env_arg_name[32];
|
|
string star, open_error = "file not found";
|
|
|
|
add_ansi_vars(vars);
|
|
|
|
snprintf(env_arg_name, sizeof(env_arg_name), "%d",
|
|
(int) split_args.size() - 1);
|
|
|
|
vars["#"] = env_arg_name;
|
|
for (size_t lpc = 0; lpc < split_args.size(); lpc++) {
|
|
snprintf(env_arg_name, sizeof(env_arg_name), "%lu", lpc);
|
|
vars[env_arg_name] = split_args[lpc];
|
|
}
|
|
for (size_t lpc = 1; lpc < split_args.size(); lpc++) {
|
|
if (lpc > 1) {
|
|
star.append(" ");
|
|
}
|
|
star.append(split_args[lpc]);
|
|
}
|
|
vars["__all__"] = star;
|
|
|
|
vector<script_metadata> paths_to_exec;
|
|
|
|
find_format_scripts(lnav_data.ld_config_paths, scripts);
|
|
auto iter = scripts.as_scripts.find(script_name);
|
|
if (iter != scripts.as_scripts.end()) {
|
|
paths_to_exec = iter->second;
|
|
}
|
|
if (script_name == "-" || script_name == "/dev/stdin") {
|
|
paths_to_exec.push_back({script_name, "", "", ""});
|
|
} else if (access(script_name.c_str(), R_OK) == 0) {
|
|
struct script_metadata meta;
|
|
|
|
meta.sm_path = script_name;
|
|
extract_metadata_from_file(meta);
|
|
paths_to_exec.push_back(meta);
|
|
} else if (errno != ENOENT) {
|
|
open_error = strerror(errno);
|
|
} else {
|
|
auto script_path = ghc::filesystem::path(script_name);
|
|
|
|
if (!script_path.is_absolute()) {
|
|
script_path = ec.ec_path_stack.back() / script_path;
|
|
}
|
|
|
|
if (ghc::filesystem::is_regular_file(script_path)) {
|
|
struct script_metadata meta;
|
|
|
|
meta.sm_path = script_path;
|
|
extract_metadata_from_file(meta);
|
|
paths_to_exec.push_back(meta);
|
|
} else if (errno != ENOENT) {
|
|
open_error = strerror(errno);
|
|
}
|
|
}
|
|
|
|
if (!paths_to_exec.empty()) {
|
|
for (auto &path_iter : paths_to_exec) {
|
|
retval = TRY(
|
|
execute_file_contents(ec, path_iter.sm_path, multiline));
|
|
}
|
|
}
|
|
ec.ec_local_vars.pop();
|
|
|
|
if (paths_to_exec.empty()) {
|
|
return ec.make_error("unknown script -- {} -- {}",
|
|
script_name, open_error);
|
|
}
|
|
|
|
return Ok(retval);
|
|
}
|
|
|
|
Result<string, string> execute_from_file(exec_context &ec, const ghc::filesystem::path &path, int line_number, char mode, const string &cmdline)
|
|
{
|
|
string retval, alt_msg;
|
|
auto _sg = ec.enter_source(path.string(), line_number);
|
|
|
|
switch (mode) {
|
|
case ':':
|
|
retval = TRY(execute_command(ec, cmdline));
|
|
break;
|
|
case '/':
|
|
lnav_data.ld_view_stack.top() | [cmdline] (auto tc) {
|
|
tc->execute_search(cmdline.substr(1));
|
|
};
|
|
break;
|
|
case ';':
|
|
setup_logline_table(ec);
|
|
retval = TRY(execute_sql(ec, cmdline, alt_msg));
|
|
break;
|
|
case '|':
|
|
retval = TRY(execute_file(ec, cmdline));
|
|
break;
|
|
default:
|
|
retval = TRY(execute_command(ec, cmdline));
|
|
break;
|
|
}
|
|
|
|
log_info("%s:%d:execute result -- %s",
|
|
path.c_str(),
|
|
line_number,
|
|
retval.c_str());
|
|
|
|
return Ok(retval);
|
|
}
|
|
|
|
Result<string, string> execute_any(exec_context &ec, const string &cmdline_with_mode)
|
|
{
|
|
string retval, alt_msg, cmdline = cmdline_with_mode.substr(1);
|
|
auto _cleanup = finally([&ec] {
|
|
if (ec.is_read_write()) {
|
|
rescan_files();
|
|
rebuild_indexes();
|
|
}
|
|
});
|
|
|
|
switch (cmdline_with_mode[0]) {
|
|
case ':':
|
|
retval = TRY(execute_command(ec, cmdline));
|
|
break;
|
|
case '/':
|
|
lnav_data.ld_view_stack.top() | [cmdline] (auto tc) {
|
|
tc->execute_search(cmdline.substr(1));
|
|
};
|
|
break;
|
|
case ';':
|
|
setup_logline_table(ec);
|
|
retval = TRY(execute_sql(ec, cmdline, alt_msg));
|
|
break;
|
|
case '|': {
|
|
retval = TRY(execute_file(ec, cmdline));
|
|
break;
|
|
}
|
|
default:
|
|
retval = TRY(execute_command(ec, cmdline));
|
|
break;
|
|
}
|
|
|
|
return Ok(retval);
|
|
}
|
|
|
|
void execute_init_commands(exec_context &ec, vector<pair<Result<string, string>, string> > &msgs)
|
|
{
|
|
if (lnav_data.ld_cmd_init_done) {
|
|
return;
|
|
}
|
|
|
|
db_label_source &dls = lnav_data.ld_db_row_source;
|
|
int option_index = 1;
|
|
|
|
log_info("Executing initial commands");
|
|
for (auto &cmd : lnav_data.ld_commands) {
|
|
string alt_msg;
|
|
|
|
wait_for_children();
|
|
|
|
ec.ec_source.emplace("command-option", option_index++);
|
|
switch (cmd.at(0)) {
|
|
case ':':
|
|
msgs.emplace_back(execute_command(ec, cmd.substr(1)), alt_msg);
|
|
break;
|
|
case '/':
|
|
lnav_data.ld_view_stack.top() | [cmd] (auto tc) {
|
|
tc->execute_search(cmd.substr(1));
|
|
};
|
|
break;
|
|
case ';':
|
|
setup_logline_table(ec);
|
|
msgs.emplace_back(execute_sql(ec, cmd.substr(1), alt_msg), alt_msg);
|
|
break;
|
|
case '|':
|
|
msgs.emplace_back(execute_file(ec, cmd.substr(1)), alt_msg);
|
|
break;
|
|
}
|
|
|
|
rescan_files();
|
|
rebuild_indexes();
|
|
|
|
ec.ec_source.pop();
|
|
}
|
|
lnav_data.ld_commands.clear();
|
|
|
|
if (!lnav_data.ld_pt_search.empty()) {
|
|
#ifdef HAVE_LIBCURL
|
|
auto pt = make_shared<papertrail_proc>(
|
|
lnav_data.ld_pt_search.substr(3),
|
|
lnav_data.ld_pt_min_time,
|
|
lnav_data.ld_pt_max_time);
|
|
lnav_data.ld_active_files.fc_file_names[lnav_data.ld_pt_search]
|
|
.with_fd(pt->copy_fd());
|
|
isc::to<curl_looper&, services::curl_streamer_t>()
|
|
.send([pt](auto& clooper) {
|
|
clooper.add_request(pt);
|
|
});
|
|
#endif
|
|
}
|
|
|
|
if (dls.dls_rows.size() > 1) {
|
|
ensure_view(&lnav_data.ld_views[LNV_DB]);
|
|
}
|
|
|
|
lnav_data.ld_cmd_init_done = true;
|
|
}
|
|
|
|
int sql_callback(exec_context &ec, sqlite3_stmt *stmt)
|
|
{
|
|
auto &dls = lnav_data.ld_db_row_source;
|
|
|
|
if (!sqlite3_stmt_busy(stmt)) {
|
|
dls.clear();
|
|
lnav_data.ld_log_source.text_clear_marks(&BM_QUERY);
|
|
|
|
return 0;
|
|
}
|
|
|
|
stacked_bar_chart<std::string> &chart = dls.dls_chart;
|
|
view_colors &vc = view_colors::singleton();
|
|
int ncols = sqlite3_column_count(stmt);
|
|
int row_number;
|
|
int lpc, retval = 0;
|
|
|
|
row_number = dls.dls_rows.size();
|
|
dls.dls_rows.resize(row_number + 1);
|
|
if (dls.dls_headers.empty()) {
|
|
for (lpc = 0; lpc < ncols; lpc++) {
|
|
int type = sqlite3_column_type(stmt, lpc);
|
|
string colname = sqlite3_column_name(stmt, lpc);
|
|
bool graphable;
|
|
|
|
graphable = ((type == SQLITE_INTEGER || type == SQLITE_FLOAT) &&
|
|
!binary_search(lnav_data.ld_db_key_names.begin(),
|
|
lnav_data.ld_db_key_names.end(),
|
|
colname));
|
|
|
|
dls.push_header(colname, type, graphable);
|
|
if (graphable) {
|
|
int attrs = vc.attrs_for_ident(colname);
|
|
chart.with_attrs_for_ident(colname, attrs);
|
|
}
|
|
}
|
|
}
|
|
for (lpc = 0; lpc < ncols; lpc++) {
|
|
const char *value = (const char *)sqlite3_column_text(stmt, lpc);
|
|
db_label_source::header_meta &hm = dls.dls_headers[lpc];
|
|
|
|
dls.push_column(value);
|
|
if ((hm.hm_column_type == SQLITE_TEXT ||
|
|
hm.hm_column_type == SQLITE_NULL) && hm.hm_sub_type == 0) {
|
|
sqlite3_value *raw_value = sqlite3_column_value(stmt, lpc);
|
|
|
|
switch (sqlite3_value_type(raw_value)) {
|
|
case SQLITE_TEXT:
|
|
hm.hm_column_type = SQLITE_TEXT;
|
|
hm.hm_sub_type = sqlite3_value_subtype(raw_value);
|
|
break;
|
|
}
|
|
}
|
|
if (value != nullptr &&
|
|
(dls.dls_headers[lpc].hm_name == "log_line" ||
|
|
strstr(dls.dls_headers[lpc].hm_name.c_str(), "log_line"))) {
|
|
int line_number = -1;
|
|
|
|
if (sscanf(value, "%d", &line_number) == 1) {
|
|
lnav_data.ld_views[LNV_LOG].toggle_user_mark(
|
|
&BM_QUERY, vis_line_t(line_number));
|
|
}
|
|
}
|
|
}
|
|
|
|
return retval;
|
|
}
|
|
|
|
future<string> pipe_callback(exec_context &ec, const string &cmdline, auto_fd &fd)
|
|
{
|
|
auto out = ec.get_output();
|
|
|
|
if (out) {
|
|
FILE *file = *out;
|
|
|
|
return std::async(std::launch::async, [&fd, file]() {
|
|
char buffer[1024];
|
|
ssize_t rc;
|
|
|
|
if (file == stdout) {
|
|
lnav_data.ld_stdout_used = true;
|
|
}
|
|
|
|
while ((rc = read(fd, buffer, sizeof(buffer))) > 0) {
|
|
fwrite(buffer, rc, 1, file);
|
|
}
|
|
|
|
return string();
|
|
});
|
|
} else {
|
|
auto pp = make_shared<piper_proc>(
|
|
fd, false, open_temp_file(ghc::filesystem::temp_directory_path() /
|
|
"lnav.out.XXXXXX")
|
|
.map([](auto pair) {
|
|
ghc::filesystem::remove(pair.first);
|
|
|
|
return pair;
|
|
})
|
|
.expect("Cannot create temporary file for callback")
|
|
.second);
|
|
static int exec_count = 0;
|
|
char desc[128];
|
|
|
|
lnav_data.ld_pipers.push_back(pp);
|
|
snprintf(desc,
|
|
sizeof(desc), "[%d] Output of %s",
|
|
exec_count++,
|
|
cmdline.c_str());
|
|
lnav_data.ld_active_files.fc_file_names[desc]
|
|
.with_fd(pp->get_fd())
|
|
.with_include_in_session(false)
|
|
.with_detect_format(false);
|
|
lnav_data.ld_files_to_front.emplace_back(desc, 0);
|
|
if (lnav_data.ld_rl_view != nullptr) {
|
|
lnav_data.ld_rl_view->set_alt_value(
|
|
HELP_MSG_1(X, "to close the file"));
|
|
}
|
|
|
|
return lnav::futures::make_ready_future(std::string());
|
|
}
|
|
}
|
|
|
|
void add_global_vars(exec_context &ec)
|
|
{
|
|
for (const auto &iter : lnav_config.lc_global_vars) {
|
|
shlex subber(iter.second);
|
|
string str;
|
|
|
|
if (!subber.eval(str, ec.ec_global_vars)) {
|
|
log_error("Unable to evaluate global variable value: %s",
|
|
iter.second.c_str());
|
|
continue;
|
|
}
|
|
|
|
ec.ec_global_vars[iter.first] = str;
|
|
}
|
|
}
|
|
|
|
std::string exec_context::get_error_prefix()
|
|
{
|
|
if (this->ec_source.size() <= 1) {
|
|
return "error: ";
|
|
}
|
|
|
|
std::pair<std::string, int> source = this->ec_source.top();
|
|
|
|
return fmt::format("{}:{}: error: ", source.first, source.second);
|
|
}
|
|
|
|
void exec_context::set_output(const string &name, FILE *file)
|
|
{
|
|
log_info("redirecting command output to: %s", name.c_str());
|
|
this->ec_output_stack.back().second | [](auto file) {
|
|
if (file != stdout) {
|
|
fclose(file);
|
|
}
|
|
};
|
|
this->ec_output_stack.back() = std::make_pair(name, file);
|
|
}
|
|
|
|
void exec_context::clear_output()
|
|
{
|
|
log_info("redirecting command output to screen");
|
|
this->ec_output_stack.back().second | [](auto file) {
|
|
if (file != stdout) {
|
|
fclose(file);
|
|
}
|
|
};
|
|
this->ec_output_stack.back() = std::make_pair("default", nonstd::nullopt);
|
|
}
|
|
|
|
exec_context::output_guard::output_guard(exec_context &context,
|
|
std::string name,
|
|
const nonstd::optional<FILE *> &file)
|
|
: sg_context(context) {
|
|
if (file) {
|
|
log_info("redirecting command output to: %s", name.c_str());
|
|
}
|
|
context.ec_output_stack.emplace_back(std::move(name), file);
|
|
}
|
|
|
|
exec_context::output_guard::~output_guard()
|
|
{
|
|
this->sg_context.clear_output();
|
|
this->sg_context.ec_output_stack.pop_back();
|
|
}
|