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1368 lines
44 KiB
C++
1368 lines
44 KiB
C++
/**
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* Copyright (c) 2013, 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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* @file session_data.cc
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*/
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#include "config.h"
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#include <stdio.h>
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#include <glob.h>
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#include <fcntl.h>
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#include <sys/types.h>
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#include <dirent.h>
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#include "spookyhash/SpookyV2.h"
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#include <algorithm>
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#include "yajlpp.hh"
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#include "lnav.hh"
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#include "logfile.hh"
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#include "sql_util.hh"
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#include "lnav_util.hh"
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#include "lnav_config.hh"
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#include "session_data.hh"
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#include "command_executor.hh"
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using namespace std;
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static const char *LOG_METADATA_NAME = "log_metadata.db";
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static const char *BOOKMARK_TABLE_DEF =
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"CREATE TABLE IF NOT EXISTS bookmarks (\n"
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" log_time datetime,\n"
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" log_format varchar(64),\n"
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" log_hash varchar(128),\n"
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" session_time integer,\n"
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" part_name text,\n"
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" access_time datetime DEFAULT CURRENT_TIMESTAMP,\n"
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"\n"
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" PRIMARY KEY (log_time, log_format, log_hash, session_time)\n"
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");\n"
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"CREATE TABLE IF NOT EXISTS time_offset (\n"
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" log_time datetime,\n"
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" log_format varchar(64),\n"
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" log_hash varchar(128),\n"
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" session_time integer,\n"
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" offset_sec integer,\n"
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" offset_usec integer,\n"
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" access_time datetime DEFAULT CURRENT_TIMESTAMP,\n"
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"\n"
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" PRIMARY KEY (log_time, log_format, log_hash, session_time)\n"
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");\n";
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static const char *BOOKMARK_LRU_STMT =
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"DELETE FROM bookmarks WHERE access_time <= "
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" (SELECT access_time FROM bookmarks "
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" ORDER BY access_time DESC LIMIT 1 OFFSET 50000)";
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static const size_t MAX_SESSIONS = 8;
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static const size_t MAX_SESSION_FILE_COUNT = 256;
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typedef std::vector<std::pair<int, string> > timestamped_list_t;
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static std::vector<content_line_t> marked_session_lines;
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static std::vector<content_line_t> offset_session_lines;
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static bool bind_line(sqlite3 *db,
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sqlite3_stmt *stmt,
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content_line_t cl,
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time_t session_time)
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{
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logfile_sub_source &lss = lnav_data.ld_log_source;
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logfile::iterator line_iter;
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logfile *lf;
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lf = lss.find(cl);
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if (lf == NULL) {
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return false;
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}
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line_iter = lf->begin() + cl;
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char timestamp[64];
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sql_strftime(timestamp, sizeof(timestamp),
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lf->original_line_time(line_iter), 'T');
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if (sqlite3_bind_text(stmt, 1,
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timestamp, strlen(timestamp),
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SQLITE_TRANSIENT) != SQLITE_OK) {
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log_error("could not bind log time -- %s\n",
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sqlite3_errmsg(db));
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return false;
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}
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intern_string_t format_name = lf->get_format()->get_name();
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if (sqlite3_bind_text(stmt, 2,
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format_name.get(), format_name.size(),
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SQLITE_TRANSIENT) != SQLITE_OK) {
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log_error("could not bind log format -- %s\n",
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sqlite3_errmsg(db));
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return false;
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}
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shared_buffer_ref sbr;
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lf->read_line(line_iter, sbr);
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std::string line_hash = hash_bytes(sbr.get_data(), sbr.length(),
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&cl, sizeof(cl),
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NULL);
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if (sqlite3_bind_text(stmt, 3,
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line_hash.c_str(), line_hash.length(),
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SQLITE_TRANSIENT) != SQLITE_OK) {
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log_error("could not bind log hash -- %s\n",
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sqlite3_errmsg(db));
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return false;
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}
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if (sqlite3_bind_int64(stmt, 4, session_time) != SQLITE_OK) {
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log_error("could not bind session time -- %s\n",
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sqlite3_errmsg(db));
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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 session_file_info {
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session_file_info(int timestamp,
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const string &id,
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const string &path)
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: sfi_timestamp(timestamp), sfi_id(id), sfi_path(path) {};
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bool operator<(const session_file_info &other) const
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{
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if (this->sfi_timestamp < other.sfi_timestamp) {
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return true;
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}
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if (this->sfi_path < other.sfi_path) {
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return true;
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}
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return false;
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};
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int sfi_timestamp;
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string sfi_id;
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string sfi_path;
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};
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static void cleanup_session_data(void)
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{
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static_root_mem<glob_t, globfree> session_file_list;
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std::list<struct session_file_info> session_info_list;
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map<string, int> session_count;
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string session_file_pattern;
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session_file_pattern = dotlnav_path("*-*.ts*.json");
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if (glob(session_file_pattern.c_str(),
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0,
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NULL,
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session_file_list.inout()) == 0) {
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for (size_t lpc = 0; lpc < session_file_list->gl_pathc; lpc++) {
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const char *path = session_file_list->gl_pathv[lpc];
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char hash_id[64];
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int timestamp;
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const char *base;
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base = strrchr(path, '/') + 1;
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if (sscanf(base, "file-%63[^.].ts%d.json",
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hash_id, ×tamp) == 2) {
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session_count[hash_id] += 1;
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session_info_list.push_back(session_file_info(
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timestamp, hash_id, path));
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}
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if (sscanf(base,
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"view-info-%63[^.].ts%d.ppid%*d.json",
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hash_id,
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×tamp) == 2) {
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session_count[hash_id] += 1;
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session_info_list.push_back(session_file_info(
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timestamp, hash_id, path));
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}
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}
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}
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session_info_list.sort();
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size_t session_loops = 0;
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while (session_info_list.size() > MAX_SESSION_FILE_COUNT) {
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const session_file_info &front = session_info_list.front();
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session_loops += 1;
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if (session_loops < MAX_SESSION_FILE_COUNT &&
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session_count[front.sfi_id] == 1) {
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session_info_list.splice(session_info_list.end(),
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session_info_list,
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session_info_list.begin());
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}
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else {
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if (remove(front.sfi_path.c_str()) != 0) {
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log_error(
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"Unable to remove session file: %s -- %s\n",
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front.sfi_path.c_str(),
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strerror(errno));
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}
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session_count[front.sfi_id] -= 1;
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session_info_list.pop_front();
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}
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}
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session_info_list.sort();
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while (session_info_list.size() > MAX_SESSION_FILE_COUNT) {
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const session_file_info &front = session_info_list.front();
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if (remove(front.sfi_path.c_str()) != 0) {
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log_error(
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"Unable to remove session file: %s -- %s\n",
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front.sfi_path.c_str(),
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strerror(errno));
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}
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session_count[front.sfi_id] -= 1;
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session_info_list.pop_front();
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}
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}
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void init_session(void)
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{
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byte_array<2, uint64> hash;
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SpookyHash context;
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lnav_data.ld_session_time = time(NULL);
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context.Init(0, 0);
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hash_updater updater(&context);
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for (map<string, logfile_open_options>::iterator iter = lnav_data.ld_file_names.begin();
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iter != lnav_data.ld_file_names.end();
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++iter) {
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updater(iter->first);
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}
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context.Final(hash.out(0), hash.out(1));
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lnav_data.ld_session_id = hash.to_string();
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log_info("init_session: time=%d; id=%s", lnav_data.ld_session_time,
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lnav_data.ld_session_id.c_str());
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}
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void scan_sessions(void)
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{
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std::list<session_pair_t> &session_file_names =
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lnav_data.ld_session_file_names;
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static_root_mem<glob_t, globfree> view_info_list;
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std::list<session_pair_t>::iterator iter;
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char view_info_pattern_base[128];
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string view_info_pattern;
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string old_session_name;
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int index;
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cleanup_session_data();
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if (lnav_data.ld_session_file_index >= 0 &&
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lnav_data.ld_session_file_index < (int)session_file_names.size()) {
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iter = session_file_names.begin();
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advance(iter, lnav_data.ld_session_file_index);
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old_session_name = iter->second;
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}
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session_file_names.clear();
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snprintf(view_info_pattern_base, sizeof(view_info_pattern_base),
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"view-info-%s.*.json",
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lnav_data.ld_session_id.c_str());
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view_info_pattern = dotlnav_path(view_info_pattern_base);
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if (glob(view_info_pattern.c_str(), 0, NULL,
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view_info_list.inout()) == 0) {
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for (size_t lpc = 0; lpc < view_info_list->gl_pathc; lpc++) {
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const char *path = view_info_list->gl_pathv[lpc];
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int timestamp, ppid;
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const char *base;
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base = strrchr(path, '/') + 1;
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if (sscanf(base,
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"view-info-%*[^.].ts%d.ppid%d.json",
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×tamp,
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&ppid) == 2) {
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ppid_time_pair_t ptp;
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ptp.first = (ppid == getppid()) ? 1 : 0;
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ptp.second = timestamp;
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session_file_names.push_back(make_pair(ptp, path));
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}
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}
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}
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session_file_names.sort();
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while (session_file_names.size() > MAX_SESSIONS) {
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const std::string &name = session_file_names.front().second;
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if (remove(name.c_str()) != 0) {
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log_error(
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"Unable to remove session: %s -- %s\n",
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name.c_str(),
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strerror(errno));
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}
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session_file_names.pop_front();
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}
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lnav_data.ld_session_file_index = ((int)session_file_names.size()) - 1;
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for (index = 0, iter = session_file_names.begin();
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iter != session_file_names.end();
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index++, ++iter) {
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if (iter->second == old_session_name) {
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lnav_data.ld_session_file_index = index;
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break;
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}
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}
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}
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static void load_time_bookmarks(void)
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{
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logfile_sub_source &lss = lnav_data.ld_log_source;
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std::map<content_line_t, bookmark_metadata> &bm_meta = lss.get_user_bookmark_metadata();
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auto_mem<sqlite3, sqlite_close_wrapper> db;
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string db_path = dotlnav_path(LOG_METADATA_NAME);
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auto_mem<sqlite3_stmt> stmt(sqlite3_finalize);
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logfile_sub_source::iterator file_iter;
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log_info("loading bookmark db: %s", db_path.c_str());
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if (sqlite3_open(db_path.c_str(), db.out()) != SQLITE_OK) {
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return;
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}
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if (sqlite3_prepare_v2(db.in(),
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"SELECT *,session_time=? as same_session FROM bookmarks WHERE "
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" log_time between ? and ? and log_format = ? "
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" ORDER BY same_session DESC, session_time DESC",
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-1,
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stmt.out(),
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NULL) != SQLITE_OK) {
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log_error(
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"could not prepare bookmark select statemnt -- %s\n",
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sqlite3_errmsg(db));
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return;
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}
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for (file_iter = lnav_data.ld_log_source.begin();
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file_iter != lnav_data.ld_log_source.end();
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++file_iter) {
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char low_timestamp[64], high_timestamp[64];
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logfile *lf = (*file_iter)->get_file();
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content_line_t base_content_line;
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if (lf == NULL)
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continue;
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base_content_line = lss.get_file_base_content_line(file_iter);
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logfile::iterator line_iter = lf->begin();
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sql_strftime(low_timestamp, sizeof(low_timestamp),
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lf->original_line_time(line_iter), 'T');
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if (sqlite3_bind_int64(stmt.in(), 1, lnav_data.ld_session_load_time) != SQLITE_OK) {
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log_error("could not bind session time -- %s\n",
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sqlite3_errmsg(db.in()));
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return;
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}
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if (sqlite3_bind_text(stmt.in(), 2,
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low_timestamp, strlen(low_timestamp),
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SQLITE_TRANSIENT) != SQLITE_OK) {
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log_error("could not bind low log time -- %s\n",
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sqlite3_errmsg(db.in()));
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return;
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}
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line_iter = lf->end();
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--line_iter;
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sql_strftime(high_timestamp, sizeof(high_timestamp),
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lf->original_line_time(line_iter), 'T');
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if (sqlite3_bind_text(stmt.in(), 3,
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high_timestamp, strlen(high_timestamp),
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SQLITE_TRANSIENT) != SQLITE_OK) {
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log_error("could not bind high log time -- %s\n",
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sqlite3_errmsg(db.in()));
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return;
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}
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intern_string_t format_name = lf->get_format()->get_name();
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if (sqlite3_bind_text(stmt.in(), 4,
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format_name.get(), format_name.size(),
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SQLITE_TRANSIENT) != SQLITE_OK) {
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log_error("could not bind log format -- %s\n",
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sqlite3_errmsg(db.in()));
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return;
|
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}
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|
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date_time_scanner dts;
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bool done = false;
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string line;
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int64_t last_mark_time = -1;
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while (!done) {
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int rc = sqlite3_step(stmt.in());
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switch (rc) {
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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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const char *log_time = (const char *)sqlite3_column_text(stmt.in(), 0);
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const char *log_hash = (const char *)sqlite3_column_text(stmt.in(), 2);
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const char *part_name = (const char *)sqlite3_column_text(stmt.in(), 4);
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int64_t mark_time = sqlite3_column_int64(stmt.in(), 3);
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struct timeval log_tv;
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struct exttm log_tm;
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|
|
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if (last_mark_time == -1) {
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last_mark_time = mark_time;
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}
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else if (last_mark_time != mark_time) {
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done = true;
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continue;
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}
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|
|
if (part_name == NULL) {
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continue;
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}
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|
|
if (!dts.scan(log_time, strlen(log_time), NULL, &log_tm, log_tv)) {
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continue;
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}
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line_iter = lower_bound(lf->begin(),
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lf->end(),
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log_tv);
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while (line_iter != lf->end()) {
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struct timeval line_tv = line_iter->get_timeval();
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if ((line_tv.tv_sec != log_tv.tv_sec) ||
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(line_tv.tv_usec != log_tv.tv_usec)) {
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break;
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}
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|
|
|
shared_buffer_ref sbr;
|
|
content_line_t cl = content_line_t(std::distance(lf->begin(), line_iter));
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|
lf->read_line(line_iter, sbr);
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|
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|
string line_hash = hash_bytes(sbr.get_data(), sbr.length(),
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&cl, sizeof(cl),
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|
NULL);
|
|
|
|
if (line_hash == log_hash) {
|
|
content_line_t line_cl = content_line_t(
|
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base_content_line + std::distance(lf->begin(), line_iter));
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|
|
|
if (part_name != NULL && part_name[0] != '\0') {
|
|
lss.set_user_mark(&textview_curses::BM_PARTITION,
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line_cl);
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bm_meta[line_cl].bm_name = part_name;
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}
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|
else {
|
|
marked_session_lines.push_back(line_cl);
|
|
lss.set_user_mark(&textview_curses::BM_USER,
|
|
line_cl);
|
|
|
|
}
|
|
}
|
|
|
|
++line_iter;
|
|
}
|
|
break;
|
|
}
|
|
|
|
default:
|
|
{
|
|
const char *errmsg;
|
|
|
|
errmsg = sqlite3_errmsg(lnav_data.ld_db);
|
|
log_error(
|
|
"bookmark select error: code %d -- %s\n",
|
|
rc,
|
|
errmsg);
|
|
done = true;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
sqlite3_reset(stmt.in());
|
|
}
|
|
|
|
if (sqlite3_prepare_v2(db.in(),
|
|
"SELECT *,session_time=? as same_session FROM time_offset WHERE "
|
|
" log_time between ? and ? and log_format = ? "
|
|
" ORDER BY same_session DESC, session_time DESC",
|
|
-1,
|
|
stmt.out(),
|
|
NULL) != SQLITE_OK) {
|
|
log_error(
|
|
"could not prepare time_offset select statemnt -- %s\n",
|
|
sqlite3_errmsg(db));
|
|
return;
|
|
}
|
|
|
|
for (file_iter = lnav_data.ld_log_source.begin();
|
|
file_iter != lnav_data.ld_log_source.end();
|
|
++file_iter) {
|
|
char low_timestamp[64], high_timestamp[64];
|
|
logfile *lf = (*file_iter)->get_file();
|
|
content_line_t base_content_line;
|
|
|
|
if (lf == NULL)
|
|
continue;
|
|
|
|
lss.find(lf->get_filename().c_str(), base_content_line);
|
|
|
|
logfile::iterator line_iter = lf->begin();
|
|
|
|
sql_strftime(low_timestamp, sizeof(low_timestamp),
|
|
lf->original_line_time(line_iter), 'T');
|
|
|
|
if (sqlite3_bind_int64(stmt.in(), 1, lnav_data.ld_session_load_time) != SQLITE_OK) {
|
|
log_error("could not bind session time -- %s\n",
|
|
sqlite3_errmsg(db.in()));
|
|
return;
|
|
}
|
|
|
|
if (sqlite3_bind_text(stmt.in(), 2,
|
|
low_timestamp, strlen(low_timestamp),
|
|
SQLITE_TRANSIENT) != SQLITE_OK) {
|
|
log_error("could not bind low log time -- %s\n",
|
|
sqlite3_errmsg(db.in()));
|
|
return;
|
|
}
|
|
|
|
line_iter = lf->end();
|
|
--line_iter;
|
|
sql_strftime(high_timestamp, sizeof(high_timestamp),
|
|
lf->original_line_time(line_iter), 'T');
|
|
|
|
if (sqlite3_bind_text(stmt.in(), 3,
|
|
high_timestamp, strlen(high_timestamp),
|
|
SQLITE_TRANSIENT) != SQLITE_OK) {
|
|
log_error("could not bind high log time -- %s\n",
|
|
sqlite3_errmsg(db.in()));
|
|
return;
|
|
}
|
|
|
|
intern_string_t format_name = lf->get_format()->get_name();
|
|
|
|
if (sqlite3_bind_text(stmt.in(), 4,
|
|
format_name.get(), format_name.size(),
|
|
SQLITE_TRANSIENT) != SQLITE_OK) {
|
|
log_error("could not bind log format -- %s\n",
|
|
sqlite3_errmsg(db.in()));
|
|
return;
|
|
}
|
|
|
|
date_time_scanner dts;
|
|
bool done = false;
|
|
string line;
|
|
int64_t last_mark_time = -1;
|
|
|
|
while (!done) {
|
|
int rc = sqlite3_step(stmt.in());
|
|
|
|
switch (rc) {
|
|
case SQLITE_OK:
|
|
case SQLITE_DONE:
|
|
done = true;
|
|
break;
|
|
|
|
case SQLITE_ROW: {
|
|
const char *log_time = (const char *)sqlite3_column_text(stmt.in(), 0);
|
|
const char *log_hash = (const char *)sqlite3_column_text(stmt.in(), 2);
|
|
int64_t mark_time = sqlite3_column_int64(stmt.in(), 3);
|
|
struct timeval log_tv;
|
|
struct exttm log_tm;
|
|
|
|
if (last_mark_time == -1) {
|
|
last_mark_time = mark_time;
|
|
}
|
|
else if (last_mark_time != mark_time) {
|
|
done = true;
|
|
continue;
|
|
}
|
|
|
|
if (sqlite3_column_type(stmt.in(), 4) == SQLITE_NULL) {
|
|
continue;
|
|
}
|
|
|
|
if (!dts.scan(log_time, strlen(log_time), NULL, &log_tm, log_tv)) {
|
|
continue;
|
|
}
|
|
|
|
line_iter = lower_bound(lf->begin(),
|
|
lf->end(),
|
|
log_tv);
|
|
while (line_iter != lf->end()) {
|
|
struct timeval line_tv = line_iter->get_timeval();
|
|
|
|
if ((line_tv.tv_sec != log_tv.tv_sec) ||
|
|
(line_tv.tv_usec != log_tv.tv_usec)) {
|
|
break;
|
|
}
|
|
|
|
lf->read_line(line_iter, line);
|
|
|
|
string line_hash = hash_string(line);
|
|
if (line_hash == log_hash) {
|
|
int file_line = std::distance(lf->begin(), line_iter);
|
|
content_line_t line_cl = content_line_t(
|
|
base_content_line + file_line);
|
|
struct timeval offset;
|
|
|
|
offset_session_lines.push_back(line_cl);
|
|
offset.tv_sec = sqlite3_column_int64(stmt.in(), 4);
|
|
offset.tv_usec = sqlite3_column_int64(stmt.in(), 5);
|
|
lf->adjust_content_time(file_line, offset);
|
|
}
|
|
|
|
++line_iter;
|
|
}
|
|
break;
|
|
}
|
|
|
|
default:
|
|
{
|
|
const char *errmsg;
|
|
|
|
errmsg = sqlite3_errmsg(lnav_data.ld_db);
|
|
log_error(
|
|
"bookmark select error: code %d -- %s\n",
|
|
rc,
|
|
errmsg);
|
|
done = true;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
sqlite3_reset(stmt.in());
|
|
}
|
|
}
|
|
|
|
static int read_save_time(yajlpp_parse_context *ypc, long long value)
|
|
{
|
|
lnav_data.ld_session_save_time = value;
|
|
|
|
return 1;
|
|
}
|
|
|
|
static int read_time_offset(yajlpp_parse_context *ypc, int value)
|
|
{
|
|
return 1;
|
|
}
|
|
|
|
static int read_files(yajlpp_parse_context *ypc, const unsigned char *str, size_t len)
|
|
{
|
|
return 1;
|
|
}
|
|
|
|
static int read_last_search(yajlpp_parse_context *ypc, const unsigned char *str, size_t len)
|
|
{
|
|
string regex = std::string((const char *)str, len);
|
|
const char **view_name;
|
|
int view_index;
|
|
|
|
view_name = find(lnav_view_strings,
|
|
lnav_view_strings + LNV__MAX,
|
|
ypc->get_path_fragment(-2));
|
|
view_index = view_name - lnav_view_strings;
|
|
|
|
if (view_index < LNV__MAX && !regex.empty()) {
|
|
execute_search((lnav_view_t)view_index, regex);
|
|
lnav_data.ld_views[view_index].set_follow_search_for(-1);
|
|
}
|
|
|
|
return 1;
|
|
}
|
|
|
|
static int read_top_line(yajlpp_parse_context *ypc, long long value)
|
|
{
|
|
const char ** view_name;
|
|
int view_index;
|
|
|
|
view_name = find(lnav_view_strings,
|
|
lnav_view_strings + LNV__MAX,
|
|
ypc->get_path_fragment(-2));
|
|
view_index = view_name - lnav_view_strings;
|
|
if (view_index < LNV__MAX) {
|
|
textview_curses &tc = lnav_data.ld_views[view_index];
|
|
|
|
if (value != -1 && value < tc.get_inner_height()) {
|
|
tc.set_top(vis_line_t(value));
|
|
}
|
|
}
|
|
|
|
return 1;
|
|
}
|
|
|
|
static int read_word_wrap(yajlpp_parse_context *ypc, int value)
|
|
{
|
|
const char ** view_name;
|
|
int view_index;
|
|
|
|
view_name = find(lnav_view_strings,
|
|
lnav_view_strings + LNV__MAX,
|
|
ypc->get_path_fragment(-2));
|
|
view_index = view_name - lnav_view_strings;
|
|
if (view_index == LNV_HELP) {
|
|
|
|
}
|
|
else if (view_index < LNV__MAX) {
|
|
textview_curses &tc = lnav_data.ld_views[view_index];
|
|
|
|
tc.set_word_wrap(value);
|
|
}
|
|
|
|
return 1;
|
|
}
|
|
|
|
static int read_commands(yajlpp_parse_context *ypc, const unsigned char *str, size_t len)
|
|
{
|
|
std::string cmdline = std::string((const char *)str, len);
|
|
const char ** view_name;
|
|
int view_index;
|
|
|
|
view_name = find(lnav_view_strings,
|
|
lnav_view_strings + LNV__MAX,
|
|
ypc->get_path_fragment(-3));
|
|
view_index = view_name - lnav_view_strings;
|
|
bool active = ensure_view(&lnav_data.ld_views[view_index]);
|
|
execute_command(lnav_data.ld_exec_context, cmdline);
|
|
if (!active) {
|
|
lnav_data.ld_view_stack.pop();
|
|
}
|
|
|
|
return 1;
|
|
}
|
|
|
|
static struct json_path_handler view_handlers[] = {
|
|
json_path_handler("top_line"),
|
|
|
|
json_path_handler()
|
|
};
|
|
|
|
static struct json_path_handler view_info_handlers[] = {
|
|
json_path_handler("/save-time", read_save_time),
|
|
json_path_handler("/time-offset", read_time_offset),
|
|
json_path_handler("/files#", read_files),
|
|
json_path_handler("/views/([^/]+)/top_line", read_top_line),
|
|
json_path_handler("/views/([^/]+)/search", read_last_search),
|
|
json_path_handler("/views/([^/]+)/word_wrap", read_word_wrap),
|
|
json_path_handler("/views/([^/]+)/commands#", read_commands),
|
|
|
|
json_path_handler()
|
|
};
|
|
|
|
void load_session(void)
|
|
{
|
|
std::list<session_pair_t>::iterator sess_iter;
|
|
yajl_handle handle;
|
|
auto_fd fd;
|
|
|
|
if (lnav_data.ld_session_file_names.empty()) {
|
|
load_time_bookmarks();
|
|
return;
|
|
}
|
|
|
|
sess_iter = lnav_data.ld_session_file_names.begin();
|
|
advance(sess_iter, lnav_data.ld_session_file_index);
|
|
lnav_data.ld_session_load_time = sess_iter->first.second;
|
|
lnav_data.ld_session_save_time = sess_iter->first.second;
|
|
string &view_info_name = sess_iter->second;
|
|
|
|
yajlpp_parse_context ypc(view_info_name, view_info_handlers);
|
|
handle = yajl_alloc(&ypc.ypc_callbacks, NULL, &ypc);
|
|
|
|
load_time_bookmarks();
|
|
|
|
if ((fd = open(view_info_name.c_str(), O_RDONLY)) < 0) {
|
|
perror("cannot open session file");
|
|
}
|
|
else {
|
|
unsigned char buffer[1024];
|
|
ssize_t rc;
|
|
|
|
log_info("loading session file: %s", view_info_name.c_str());
|
|
while ((rc = read(fd, buffer, sizeof(buffer))) > 0) {
|
|
yajl_parse(handle, buffer, rc);
|
|
}
|
|
yajl_complete_parse(handle);
|
|
}
|
|
yajl_free(handle);
|
|
}
|
|
|
|
static void yajl_writer(void *context, const char *str, size_t len)
|
|
{
|
|
FILE *file = (FILE *)context;
|
|
|
|
fwrite(str, len, 1, file);
|
|
}
|
|
|
|
static void save_user_bookmarks(
|
|
sqlite3 *db, sqlite3_stmt *stmt, bookmark_vector<content_line_t> &user_marks)
|
|
{
|
|
logfile_sub_source &lss = lnav_data.ld_log_source;
|
|
std::map<content_line_t, bookmark_metadata> &bm_meta =
|
|
lss.get_user_bookmark_metadata();
|
|
bookmark_vector<content_line_t>::iterator iter;
|
|
|
|
for (iter = user_marks.begin(); iter != user_marks.end(); ++iter) {
|
|
std::map<content_line_t, bookmark_metadata>::iterator meta_iter;
|
|
logfile::iterator line_iter;
|
|
content_line_t cl = *iter;
|
|
|
|
meta_iter = bm_meta.find(cl);
|
|
|
|
marked_session_lines.push_back(cl);
|
|
|
|
if (!bind_line(db, stmt, cl, lnav_data.ld_session_time)) {
|
|
continue;
|
|
}
|
|
|
|
if (meta_iter == bm_meta.end()) {
|
|
if (sqlite3_bind_text(stmt, 5, "", 0, SQLITE_TRANSIENT) != SQLITE_OK) {
|
|
log_error("could not bind log hash -- %s\n",
|
|
sqlite3_errmsg(db));
|
|
return;
|
|
}
|
|
}
|
|
else {
|
|
if (sqlite3_bind_text(stmt, 5,
|
|
meta_iter->second.bm_name.c_str(),
|
|
meta_iter->second.bm_name.length(),
|
|
SQLITE_TRANSIENT) != SQLITE_OK) {
|
|
log_error("could not bind log hash -- %s\n",
|
|
sqlite3_errmsg(db));
|
|
return;
|
|
}
|
|
}
|
|
|
|
if (sqlite3_step(stmt) != SQLITE_DONE) {
|
|
log_error(
|
|
"could not execute bookmark insert statement -- %s\n",
|
|
sqlite3_errmsg(db));
|
|
return;
|
|
}
|
|
|
|
sqlite3_reset(stmt);
|
|
}
|
|
|
|
}
|
|
|
|
static void save_time_bookmarks(void)
|
|
{
|
|
auto_mem<sqlite3, sqlite_close_wrapper> db;
|
|
string db_path = dotlnav_path(LOG_METADATA_NAME);
|
|
auto_mem<char, sqlite3_free> errmsg;
|
|
auto_mem<sqlite3_stmt> stmt(sqlite3_finalize);
|
|
|
|
if (sqlite3_open(db_path.c_str(), db.out()) != SQLITE_OK) {
|
|
log_error("unable to open bookmark DB -- %s\n", db_path.c_str());
|
|
return;
|
|
}
|
|
|
|
if (sqlite3_exec(db.in(), BOOKMARK_TABLE_DEF, NULL, NULL, errmsg.out()) != SQLITE_OK) {
|
|
log_error("unable to make bookmark table -- %s\n", errmsg.in());
|
|
return;
|
|
}
|
|
|
|
if (sqlite3_exec(db.in(), "BEGIN TRANSACTION", NULL, NULL, errmsg.out()) != SQLITE_OK) {
|
|
log_error("unable to begin transaction -- %s\n", errmsg.in());
|
|
return;
|
|
}
|
|
|
|
logfile_sub_source &lss = lnav_data.ld_log_source;
|
|
bookmarks<content_line_t>::type &bm = lss.get_user_bookmarks();
|
|
|
|
if (sqlite3_prepare_v2(db.in(),
|
|
"DELETE FROM bookmarks WHERE "
|
|
" log_time = ? and log_format = ? and log_hash = ? "
|
|
" and session_time = ?",
|
|
-1,
|
|
stmt.out(),
|
|
NULL) != SQLITE_OK) {
|
|
log_error(
|
|
"could not prepare bookmark delete statemnt -- %s\n",
|
|
sqlite3_errmsg(db));
|
|
return;
|
|
}
|
|
|
|
for (std::vector<content_line_t>::iterator cl_iter = marked_session_lines.begin();
|
|
cl_iter != marked_session_lines.end();
|
|
++cl_iter) {
|
|
if (!bind_line(
|
|
db.in(), stmt.in(), *cl_iter, lnav_data.ld_session_time)) {
|
|
continue;
|
|
}
|
|
|
|
if (sqlite3_step(stmt.in()) != SQLITE_DONE) {
|
|
log_error(
|
|
"could not execute bookmark insert statement -- %s\n",
|
|
sqlite3_errmsg(db));
|
|
return;
|
|
}
|
|
|
|
sqlite3_reset(stmt.in());
|
|
}
|
|
|
|
marked_session_lines.clear();
|
|
|
|
if (sqlite3_prepare_v2(db.in(),
|
|
"REPLACE INTO bookmarks"
|
|
" (log_time, log_format, log_hash, session_time, part_name)"
|
|
" VALUES (?, ?, ?, ?, ?)",
|
|
-1,
|
|
stmt.out(),
|
|
NULL) != SQLITE_OK) {
|
|
log_error(
|
|
"could not prepare bookmark replace statemnt -- %s\n",
|
|
sqlite3_errmsg(db));
|
|
return;
|
|
}
|
|
|
|
{
|
|
logfile_sub_source::iterator file_iter;
|
|
|
|
for (file_iter = lnav_data.ld_log_source.begin();
|
|
file_iter != lnav_data.ld_log_source.end();
|
|
++file_iter) {
|
|
logfile *lf = (*file_iter)->get_file();
|
|
content_line_t base_content_line;
|
|
|
|
if (lf == NULL)
|
|
continue;
|
|
|
|
base_content_line = lss.get_file_base_content_line(file_iter);
|
|
base_content_line = content_line_t(
|
|
base_content_line + lf->size() - 1);
|
|
|
|
if (!bind_line(db.in(), stmt.in(), base_content_line,
|
|
lnav_data.ld_session_time)) {
|
|
continue;
|
|
}
|
|
|
|
if (sqlite3_bind_null(stmt.in(), 5) != SQLITE_OK) {
|
|
log_error("could not bind log hash -- %s\n",
|
|
sqlite3_errmsg(db.in()));
|
|
return;
|
|
}
|
|
|
|
if (sqlite3_step(stmt.in()) != SQLITE_DONE) {
|
|
log_error(
|
|
"could not execute bookmark insert statement -- %s\n",
|
|
sqlite3_errmsg(db));
|
|
return;
|
|
}
|
|
|
|
sqlite3_reset(stmt.in());
|
|
}
|
|
}
|
|
|
|
save_user_bookmarks(db.in(), stmt.in(), bm[&textview_curses::BM_USER]);
|
|
save_user_bookmarks(db.in(), stmt.in(), bm[&textview_curses::BM_PARTITION]);
|
|
|
|
if (sqlite3_prepare_v2(db.in(),
|
|
"DELETE FROM time_offset WHERE "
|
|
" log_time = ? and log_format = ? and log_hash = ? "
|
|
" and session_time = ?",
|
|
-1,
|
|
stmt.out(),
|
|
NULL) != SQLITE_OK) {
|
|
log_error(
|
|
"could not prepare time_offset delete statemnt -- %s\n",
|
|
sqlite3_errmsg(db));
|
|
return;
|
|
}
|
|
|
|
for (std::vector<content_line_t>::iterator cl_iter = offset_session_lines.begin();
|
|
cl_iter != offset_session_lines.end();
|
|
++cl_iter) {
|
|
if (!bind_line(
|
|
db.in(), stmt.in(), *cl_iter, lnav_data.ld_session_time)) {
|
|
continue;
|
|
}
|
|
|
|
if (sqlite3_step(stmt.in()) != SQLITE_DONE) {
|
|
log_error(
|
|
"could not execute bookmark insert statement -- %s\n",
|
|
sqlite3_errmsg(db));
|
|
return;
|
|
}
|
|
|
|
sqlite3_reset(stmt.in());
|
|
}
|
|
|
|
offset_session_lines.clear();
|
|
|
|
if (sqlite3_prepare_v2(db.in(),
|
|
"REPLACE INTO time_offset"
|
|
" (log_time, log_format, log_hash, session_time, offset_sec, offset_usec)"
|
|
" VALUES (?, ?, ?, ?, ?, ?)",
|
|
-1,
|
|
stmt.out(),
|
|
NULL) != SQLITE_OK) {
|
|
log_error(
|
|
"could not prepare time_offset replace statemnt -- %s\n",
|
|
sqlite3_errmsg(db));
|
|
return;
|
|
}
|
|
|
|
{
|
|
logfile_sub_source::iterator file_iter;
|
|
|
|
for (file_iter = lnav_data.ld_log_source.begin();
|
|
file_iter != lnav_data.ld_log_source.end();
|
|
++file_iter) {
|
|
logfile *lf = (*file_iter)->get_file();
|
|
content_line_t base_content_line;
|
|
|
|
if (lf == NULL)
|
|
continue;
|
|
|
|
base_content_line = lss.get_file_base_content_line(file_iter);
|
|
|
|
if (!bind_line(db.in(), stmt.in(), base_content_line,
|
|
lnav_data.ld_session_time)) {
|
|
continue;
|
|
}
|
|
|
|
if (sqlite3_bind_null(stmt.in(), 5) != SQLITE_OK) {
|
|
log_error("could not bind log hash -- %s\n",
|
|
sqlite3_errmsg(db.in()));
|
|
return;
|
|
}
|
|
|
|
if (sqlite3_bind_null(stmt.in(), 6) != SQLITE_OK) {
|
|
log_error("could not bind log hash -- %s\n",
|
|
sqlite3_errmsg(db.in()));
|
|
return;
|
|
}
|
|
|
|
if (sqlite3_step(stmt.in()) != SQLITE_DONE) {
|
|
log_error(
|
|
"could not execute bookmark insert statement -- %s\n",
|
|
sqlite3_errmsg(db));
|
|
return;
|
|
}
|
|
|
|
sqlite3_reset(stmt.in());
|
|
}
|
|
}
|
|
|
|
for (logfile_sub_source::iterator file_iter = lss.begin();
|
|
file_iter != lss.end();
|
|
++file_iter) {
|
|
logfile::iterator line_iter;
|
|
|
|
if ((*file_iter)->get_file() == NULL)
|
|
continue;
|
|
|
|
logfile *lf = (*file_iter)->get_file();
|
|
|
|
if (!lf->is_time_adjusted())
|
|
continue;
|
|
|
|
line_iter = lf->begin() + lf->get_time_offset_line();
|
|
|
|
char timestamp[64];
|
|
|
|
sql_strftime(timestamp, sizeof(timestamp),
|
|
lf->original_line_time(line_iter), 'T');
|
|
if (sqlite3_bind_text(stmt.in(), 1,
|
|
timestamp, strlen(timestamp),
|
|
SQLITE_TRANSIENT) != SQLITE_OK) {
|
|
log_error("could not bind log time -- %s\n",
|
|
sqlite3_errmsg(db.in()));
|
|
return;
|
|
}
|
|
|
|
intern_string_t format_name = lf->get_format()->get_name();
|
|
|
|
if (sqlite3_bind_text(stmt.in(), 2,
|
|
format_name.get(), format_name.size(),
|
|
SQLITE_TRANSIENT) != SQLITE_OK) {
|
|
log_error("could not bind log format -- %s\n",
|
|
sqlite3_errmsg(db.in()));
|
|
return;
|
|
}
|
|
|
|
std::string line_hash = hash_string(lf->read_line(line_iter));
|
|
|
|
if (sqlite3_bind_text(stmt.in(), 3,
|
|
line_hash.c_str(), line_hash.length(),
|
|
SQLITE_TRANSIENT) != SQLITE_OK) {
|
|
log_error("could not bind log hash -- %s\n",
|
|
sqlite3_errmsg(db.in()));
|
|
return;
|
|
}
|
|
|
|
if (sqlite3_bind_int64(stmt.in(), 4, lnav_data.ld_session_time) != SQLITE_OK) {
|
|
log_error("could not bind session time -- %s\n",
|
|
sqlite3_errmsg(db.in()));
|
|
return;
|
|
}
|
|
|
|
struct timeval offset = lf->get_time_offset();
|
|
|
|
if (sqlite3_bind_int64(stmt.in(), 5, offset.tv_sec) != SQLITE_OK) {
|
|
log_error("could not bind offset_sec -- %s\n",
|
|
sqlite3_errmsg(db.in()));
|
|
return;
|
|
}
|
|
|
|
if (sqlite3_bind_int64(stmt.in(), 6, offset.tv_usec) != SQLITE_OK) {
|
|
log_error("could not bind offset_usec -- %s\n",
|
|
sqlite3_errmsg(db.in()));
|
|
return;
|
|
}
|
|
|
|
if (sqlite3_step(stmt.in()) != SQLITE_DONE) {
|
|
log_error(
|
|
"could not execute bookmark insert statement -- %s\n",
|
|
sqlite3_errmsg(db));
|
|
return;
|
|
}
|
|
|
|
sqlite3_reset(stmt.in());
|
|
}
|
|
|
|
if (sqlite3_exec(db.in(), "COMMIT", NULL, NULL, errmsg.out()) != SQLITE_OK) {
|
|
log_error("unable to begin transaction -- %s\n", errmsg.in());
|
|
return;
|
|
}
|
|
|
|
if (sqlite3_exec(db.in(), BOOKMARK_LRU_STMT, NULL, NULL, errmsg.out()) != SQLITE_OK) {
|
|
log_error("unable to delete old bookmarks -- %s\n", errmsg.in());
|
|
return;
|
|
}
|
|
}
|
|
|
|
void save_session(void)
|
|
{
|
|
string view_file_name, view_file_tmp_name;
|
|
|
|
auto_mem<FILE> file(fclose);
|
|
char view_base_name[256];
|
|
yajl_gen handle = NULL;
|
|
|
|
save_time_bookmarks();
|
|
|
|
/* TODO: save the last search query */
|
|
|
|
snprintf(view_base_name, sizeof(view_base_name),
|
|
"view-info-%s.ts%ld.ppid%d.json",
|
|
lnav_data.ld_session_id.c_str(),
|
|
lnav_data.ld_session_time,
|
|
getppid());
|
|
|
|
view_file_name = dotlnav_path(view_base_name);
|
|
view_file_tmp_name = view_file_name + ".tmp";
|
|
|
|
if ((file = fopen(view_file_tmp_name.c_str(), "w")) == NULL) {
|
|
perror("Unable to open session file");
|
|
}
|
|
else if ((handle = yajl_gen_alloc(NULL)) == NULL) {
|
|
perror("Unable to create yajl_gen object");
|
|
}
|
|
else {
|
|
yajl_gen_config(handle,
|
|
yajl_gen_print_callback, yajl_writer, file.in());
|
|
|
|
{
|
|
yajlpp_map root_map(handle);
|
|
|
|
root_map.gen("save-time");
|
|
root_map.gen((long long)time(NULL));
|
|
|
|
root_map.gen("time-offset");
|
|
root_map.gen(lnav_data.ld_log_source.is_time_offset_enabled());
|
|
|
|
root_map.gen("files");
|
|
|
|
{
|
|
yajlpp_array file_list(handle);
|
|
|
|
for (map<string, logfile_open_options>::iterator iter = lnav_data.ld_file_names.begin();
|
|
iter != lnav_data.ld_file_names.end();
|
|
++iter) {
|
|
file_list.gen(iter->first);
|
|
}
|
|
}
|
|
|
|
root_map.gen("views");
|
|
|
|
{
|
|
yajlpp_map top_view_map(handle);
|
|
|
|
for (int lpc = 0; lpc < LNV__MAX; lpc++) {
|
|
textview_curses &tc = lnav_data.ld_views[lpc];
|
|
unsigned long width;
|
|
vis_line_t height;
|
|
|
|
top_view_map.gen(lnav_view_strings[lpc]);
|
|
|
|
yajlpp_map view_map(handle);
|
|
|
|
view_map.gen("top_line");
|
|
|
|
tc.get_dimensions(height, width);
|
|
if (tc.get_top() >= tc.get_top_for_last_row()) {
|
|
view_map.gen(-1LL);
|
|
}
|
|
else{
|
|
view_map.gen((long long)tc.get_top());
|
|
}
|
|
|
|
view_map.gen("search");
|
|
view_map.gen(lnav_data.ld_last_search[lpc]);
|
|
|
|
view_map.gen("word_wrap");
|
|
view_map.gen(tc.get_word_wrap());
|
|
|
|
text_sub_source *tss = tc.get_sub_source();
|
|
if (tss == NULL) {
|
|
continue;
|
|
}
|
|
|
|
filter_stack::iterator filter_iter;
|
|
filter_stack &fs = tss->get_filters();
|
|
|
|
view_map.gen("commands");
|
|
yajlpp_array cmd_array(handle);
|
|
|
|
for (filter_iter = fs.begin();
|
|
filter_iter != fs.end();
|
|
++filter_iter) {
|
|
if (!(*filter_iter)->is_enabled()) {
|
|
continue;
|
|
}
|
|
|
|
cmd_array.gen((*filter_iter)->to_command());
|
|
}
|
|
|
|
if (lpc == LNV_LOG) {
|
|
textview_curses::highlight_map_t &hmap =
|
|
lnav_data.ld_views[LNV_LOG].get_highlights();
|
|
textview_curses::highlight_map_t::iterator hl_iter;
|
|
|
|
for (hl_iter = hmap.begin();
|
|
hl_iter != hmap.end();
|
|
++hl_iter) {
|
|
if (hl_iter->first[0] == '$') {
|
|
continue;
|
|
}
|
|
cmd_array.gen("highlight " + hl_iter->first);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
yajl_gen_clear(handle);
|
|
yajl_gen_free(handle);
|
|
|
|
fclose(file.release());
|
|
|
|
log_perror(rename(view_file_tmp_name.c_str(), view_file_name.c_str()));
|
|
|
|
log_debug("Saved session: %s", view_file_name.c_str());
|
|
}
|
|
}
|
|
|
|
void reset_session(void)
|
|
{
|
|
textview_curses::highlight_map_t &hmap =
|
|
lnav_data.ld_views[LNV_LOG].get_highlights();
|
|
textview_curses::highlight_map_t::iterator hl_iter = hmap.begin();
|
|
|
|
log_info("reset session: time=%d", lnav_data.ld_session_time);
|
|
|
|
save_session();
|
|
scan_sessions();
|
|
|
|
lnav_data.ld_session_time = time(NULL);
|
|
|
|
while (hl_iter != hmap.end()) {
|
|
if (hl_iter->first[0] == '$') {
|
|
++hl_iter;
|
|
}
|
|
else {
|
|
hmap.erase(hl_iter++);
|
|
}
|
|
}
|
|
|
|
logfile_sub_source::iterator file_iter;
|
|
|
|
for (file_iter = lnav_data.ld_log_source.begin();
|
|
file_iter != lnav_data.ld_log_source.end();
|
|
++file_iter) {
|
|
logfile *lf = (*file_iter)->get_file();
|
|
|
|
lf->clear_time_offset();
|
|
}
|
|
|
|
lnav_data.ld_log_source.clear_min_max_log_times();
|
|
|
|
lnav_data.ld_log_source.get_user_bookmark_metadata().clear();
|
|
|
|
for (int lpc = 0; lpc < LNV__MAX; lpc++) {
|
|
textview_curses &tc = lnav_data.ld_views[lpc];
|
|
text_sub_source *tss = tc.get_sub_source();
|
|
|
|
if (tss == NULL) {
|
|
continue;
|
|
}
|
|
tss->get_filters().clear_filters();
|
|
tss->text_filters_changed();
|
|
tss->text_clear_marks(&textview_curses::BM_USER);
|
|
tc.get_bookmarks()[&textview_curses::BM_USER].clear();
|
|
tss->text_clear_marks(&textview_curses::BM_PARTITION);
|
|
tc.get_bookmarks()[&textview_curses::BM_PARTITION].clear();
|
|
tc.reload_data();
|
|
}
|
|
}
|