tools: acrn-crashlog: refine the log storage
1. remove watching TOMBSTONE in AaaG. 2. add a configurable parameter "foldersize" in MB, sender will drop all events when the storaged log size exceeds this parameter. Tracked-On:#1024 Signed-off-by: Liu, Xinwu <xinwu.liu@intel.com> Reviewed-by: Chen Gang <gang.c.chen@intel.com> Acked-by: Zhang Di <di.zhang@intel.com>
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06efc58a7e
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3d1332f392
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@ -124,6 +124,38 @@ static void watchdog_init(int timeout)
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}
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}
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static int check_folder_space(struct sender_t *sender)
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{
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size_t dsize;
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int cfg_size;
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if (dir_size(sender->outdir, sender->outdir_len, &dsize) == -1) {
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LOGE("failed to check outdir size, drop ev\n");
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return -1;
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}
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if (cfg_atoi(sender->foldersize, sender->foldersize_len,
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&cfg_size) == -1)
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return -1;
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if (dsize/MB >= (size_t)cfg_size) {
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if (sender->suspending)
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return -1;
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LOGW("suspend (%s), since (%s: %ldM) meets quota (%dM)\n",
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sender->name, sender->outdir, dsize/MB, cfg_size);
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sender->suspending = 1;
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return -1;
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}
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if (!sender->suspending)
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return 0;
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LOGW("resume (%s), %s: left space %ldM for storage\n",
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sender->name, sender->outdir, cfg_size - dsize/MB);
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return 0;
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}
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/**
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* Process each event in event queue.
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* Note that currently event handler is single threaded.
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@ -157,6 +189,9 @@ static void *event_handle(void *unused __attribute__((unused)))
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if (!sender)
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continue;
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if (check_folder_space(sender) == -1)
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continue;
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if (sender->send)
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sender->send(e);
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}
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@ -123,11 +123,14 @@ struct sender_t {
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size_t maxlines_len;
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const char *spacequota;
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size_t spacequota_len;
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const char *foldersize;
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size_t foldersize_len;
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struct uptime_t *uptime;
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void (*send)(struct event_t *);
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char *log_vmrecordid;
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int sw_updated; /* each sender has their own record */
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int suspending; /* drop all events while suspending */
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};
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struct conf_t {
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@ -36,6 +36,7 @@ static void print(void)
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print_id_item(maxcrashdirs, sender, id);
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print_id_item(maxlines, sender, id);
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print_id_item(spacequota, sender, id);
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print_id_item(foldersize, sender, id);
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if (sender->uptime) {
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print_id_item(uptime->name, sender, id);
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@ -678,6 +679,8 @@ static int parse_sender(xmlNodePtr cur, struct sender_t *sender)
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res = load_cur_content(cur, sender, maxlines);
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else if (name_is(cur, "spacequota"))
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res = load_cur_content(cur, sender, spacequota);
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else if (name_is(cur, "foldersize"))
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res = load_cur_content(cur, sender, foldersize);
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else if (name_is(cur, "uptime"))
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res = parse_uptime(cur, sender);
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@ -906,36 +906,33 @@ free_list:
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return count;
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}
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/**
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* Find target file in specified dir.
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*
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* @param dir Where to start search.
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* @param dlen Length of dir.
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* @param target_file Target file to search.
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* @param tflen The length of target_file.
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* @param depth Descend at most depth of directories below the starting dir.
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* @param path[out] Searched file path in given dir.
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* @param limit The number of files uplayer want to get.
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*
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* @return the count of searched files on success, or -1 on error.
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*/
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int find_file(const char *dir, size_t dlen, const char *target_file,
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size_t tflen, int depth, char *path[], int limit)
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#define DIR_SUCCESS (0)
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#define DIR_ABORT (-1)
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#define DIR_ERROR (-2)
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static int dir_recursive(const char *path, size_t plen, int depth,
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int fn(const char *pdir, struct dirent *, void *arg),
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void *arg)
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{
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int wdepth = 0;
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int found = 0;
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int ret = DIR_SUCCESS;
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char wdir[PATH_MAX];
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DIR **dp;
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if (!dir || !target_file || !tflen || !path || limit <= 0)
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return -1;
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if (dlen >= PATH_MAX)
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return -1;
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*(char *)mempcpy(wdir, dir, dlen) = '\0';
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if (!path)
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return DIR_ERROR;
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if (plen >= PATH_MAX)
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return DIR_ERROR;
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if (depth < -1)
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return DIR_ERROR;
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if (depth == -1)
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depth = 1024;
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*(char *)mempcpy(wdir, path, plen) = '\0';
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dp = calloc(depth + 1, sizeof(DIR *));
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if (!dp) {
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LOGE("out of memory\n");
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return -1;
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return DIR_ERROR;
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}
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while (wdepth >= 0) {
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@ -947,6 +944,7 @@ int find_file(const char *dir, size_t dlen, const char *target_file,
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if (!dp[wdepth]) {
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LOGE("failed to opendir (%s), error (%s)\n",
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wdir, strerror(errno));
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ret = DIR_ERROR;
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goto fail_open;
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}
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}
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@ -956,15 +954,11 @@ int find_file(const char *dir, size_t dlen, const char *target_file,
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!strcmp(dirp->d_name, ".."))
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continue;
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if (!strcmp(dirp->d_name, target_file)) {
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if (asprintf(&path[found], "%s/%s", wdir,
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dirp->d_name) == -1) {
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LOGE("out of memory\n");
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goto fail_read;
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}
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if (++found == limit)
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goto end;
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}
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ret = fn(wdir, dirp, arg);
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if (ret == DIR_ABORT)
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goto end;
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if (ret == DIR_ERROR)
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goto fail_read;
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if (dirp->d_type == DT_DIR && wdepth < depth) {
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/* search in subdir */
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@ -990,6 +984,7 @@ int find_file(const char *dir, size_t dlen, const char *target_file,
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} else {
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LOGE("failed to readdir, (%s)\n",
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strerror(errno));
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ret = DIR_ERROR;
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goto fail_read;
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}
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}
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@ -998,7 +993,7 @@ end:
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while (wdepth >= 0)
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closedir(dp[wdepth--]);
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free(dp);
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return found;
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return ret;
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fail_read:
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LOGE("failed to search in dir %s\n", wdir);
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@ -1006,12 +1001,112 @@ fail_read:
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fail_open:
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while (wdepth)
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closedir(dp[--wdepth]);
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while (found)
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free(path[--found]);
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free(dp);
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return ret;
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}
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struct find_file_data {
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const char *target;
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size_t tlen;
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int limit;
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char **path;
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int found;
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};
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static int _get_file_path(const char *pdir, struct dirent *dirp, void *arg)
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{
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struct find_file_data *d = (struct find_file_data *)arg;
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if (!strcmp(dirp->d_name, d->target)) {
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if (asprintf(&d->path[d->found], "%s/%s", pdir,
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dirp->d_name) == -1) {
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LOGE("out of memory\n");
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return DIR_ERROR;
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}
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if (++(d->found) == d->limit)
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return DIR_ABORT;
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}
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return DIR_SUCCESS;
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}
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/**
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* Find target file in specified dir.
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*
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* @param dir Where to start search.
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* @param dlen Length of dir.
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* @param target_file Target file to search.
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* @param tflen The length of target_file.
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* @param depth Descend at most depth of directories below the starting dir.
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* @param path[out] Searched file path in given dir.
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* @param limit The number of files uplayer want to get.
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*
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* @return the count of searched files on success, or -1 on error.
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*/
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int find_file(const char *dir, size_t dlen, const char *target_file,
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size_t tflen, int depth, char *path[], int limit)
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{
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int res;
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struct find_file_data data = {
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.target = target_file,
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.tlen = tflen,
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.limit = limit,
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.path = path,
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.found = 0,
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};
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if (!dir || !target_file || !tflen || !path || limit <= 0)
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return -1;
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res = dir_recursive(dir, dlen, depth, _get_file_path, (void *)&data);
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if (res == DIR_ABORT || res == DIR_SUCCESS)
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return data.found;
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if (res == DIR_ERROR) {
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while (data.found)
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free(path[--data.found]);
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}
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return -1;
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}
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static int _count_file_size(const char *pdir, struct dirent *dirp, void *arg)
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{
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char file[PATH_MAX];
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int res;
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ssize_t fsize;
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if (dirp->d_type != DT_REG && dirp->d_type != DT_DIR)
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return DIR_SUCCESS;
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res = snprintf(file, sizeof(file), "%s/%s", pdir, dirp->d_name);
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if (s_not_expect(res, sizeof(file)))
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return DIR_ERROR;
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fsize = get_file_size(file);
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if (fsize < 0)
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return DIR_ERROR;
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*(size_t *)arg += fsize;
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return DIR_SUCCESS;
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}
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int dir_size(const char *dir, size_t dlen, size_t *size)
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{
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if (!dir || !dlen || !size)
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return -1;
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*size = 0;
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if (dir_recursive(dir, dlen, -1, _count_file_size,
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(void *)size) != DIR_SUCCESS) {
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LOGE("failed to recursive dir (%s)\n", dir);
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return -1;
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}
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return 0;
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}
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int read_file(const char *path, unsigned long *size, void **data)
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{
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char tmp[1024];
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@ -40,7 +40,7 @@ struct mm_file_t {
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char *path;
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int fd;
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char *begin;
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int size;
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ssize_t size;
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};
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struct ac_filter_data {
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@ -62,7 +62,7 @@ static inline int directory_exists(const char *path)
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return (stat(path, &info) == 0 && S_ISDIR(info.st_mode));
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}
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static inline int get_file_size(const char *filepath)
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static inline ssize_t get_file_size(const char *filepath)
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{
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struct stat info;
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@ -114,6 +114,7 @@ int dir_contains(const char *dir, const char *filename, size_t flen, int exact);
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int lsdir(const char *dir, char *fullname[], int limit);
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int find_file(const char *dir, size_t dlen, const char *target_file,
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size_t tflen, int depth, char *path[], int limit);
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int dir_size(const char *dir, size_t dlen, size_t *size);
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int read_file(const char *path, unsigned long *size, void **data);
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int is_ac_filefmt(const char *file_fmt);
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int config_fmt_to_files(const char *file_fmt, char ***out);
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@ -7,6 +7,7 @@
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<maxcrashdirs>1000</maxcrashdirs>
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<maxlines>5000</maxlines>
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<spacequota>90</spacequota>
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<foldersize>200</foldersize>
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<uptime>
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<name>UPTIME</name>
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<frequency>5</frequency>
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@ -16,6 +17,7 @@
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<sender id="2" enable="true">
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<name>telemd</name>
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<outdir>/var/log/acrnprobe</outdir>
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<foldersize>10</foldersize>
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<uptime>
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<name>UPTIME</name>
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<frequency>5</frequency>
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@ -56,10 +58,9 @@
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<name>VM1</name>
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<channel>polling</channel>
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<interval>60</interval>
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<syncevent id="1">CRASH/TOMBSTONE</syncevent>
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<syncevent id="2">CRASH/UIWDT</syncevent>
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<syncevent id="3">CRASH/IPANIC</syncevent>
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<syncevent id="4">REBOOT</syncevent>
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<syncevent id="1">CRASH/UIWDT</syncevent>
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<syncevent id="2">CRASH/IPANIC</syncevent>
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<syncevent id="3">REBOOT</syncevent>
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</vm>
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</vms>
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