+++ /dev/null
-/*
- *
- * Connection Manager
- *
- * Copyright (C) 2010 BMW Car IT GmbH. All rights reserved.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
- *
- */
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-
-#define _GNU_SOURCE
-#include <sys/mman.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <sys/time.h>
-#include <fcntl.h>
-#include <unistd.h>
-#include <string.h>
-#include <limits.h>
-#include <time.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <errno.h>
-
-#define MAGIC 0xFA00B916
-
-struct connman_stats_data {
- unsigned int rx_packets;
- unsigned int tx_packets;
- unsigned int rx_bytes;
- unsigned int tx_bytes;
- unsigned int rx_errors;
- unsigned int tx_errors;
- unsigned int rx_dropped;
- unsigned int tx_dropped;
- unsigned int time;
-};
-
-struct stats_file_header {
- unsigned int magic;
- unsigned int begin;
- unsigned int end;
- unsigned int home;
- unsigned int roaming;
-};
-
-struct stats_record {
- time_t ts;
- unsigned int roaming;
- struct connman_stats_data data;
-};
-
-struct stats_file {
- int fd;
- char *name;
- char *addr;
- size_t len;
-
- /* cached values */
- int max_nr;
- int nr;
- struct stats_record *first;
- struct stats_record *last;
- struct stats_record *home_first;
- struct stats_record *roaming_first;
-};
-
-static struct stats_file_header *get_hdr(struct stats_file *file)
-{
- return (struct stats_file_header *)file->addr;
-}
-
-static struct stats_record *get_begin(struct stats_file *file)
-{
- unsigned int off = get_hdr(file)->begin;
-
- return (struct stats_record *)(file->addr + off);
-}
-
-static struct stats_record *get_end(struct stats_file *file)
-{
- unsigned int off = get_hdr(file)->end;
-
- return (struct stats_record *)(file->addr + off);
-}
-
-static struct stats_record *get_home(struct stats_file *file)
-{
- struct stats_file_header *hdr;
-
- hdr = get_hdr(file);
-
- if (hdr->home == UINT_MAX)
- return NULL;
-
- return (struct stats_record *)(file->addr + hdr->home);
-}
-
-static struct stats_record *get_roaming(struct stats_file *file)
-{
- struct stats_file_header *hdr;
-
- hdr = get_hdr(file);
-
- if (hdr->roaming == UINT_MAX)
- return NULL;
-
- return (struct stats_record *)(file->addr + hdr->roaming);
-}
-
-static struct stats_record *get_next(struct stats_file *file,
- struct stats_record *cur)
-{
- cur++;
-
- if (cur > file->last)
- cur = file->first;
-
- return cur;
-}
-
-static int get_index(struct stats_file *file, struct stats_record *rec)
-{
- return rec - file->first;
-}
-
-static void stats_print_record(struct stats_record *rec)
-{
- char buffer[30];
-
- strftime(buffer, 30, "%d-%m-%Y %T", localtime(&rec->ts));
- printf("%p %s %01d %d %d %d %d %d %d %d %d %d\n", rec, buffer,
- rec->roaming,
- rec->data.rx_packets,
- rec->data.tx_packets,
- rec->data.rx_bytes,
- rec->data.tx_bytes,
- rec->data.rx_errors,
- rec->data.tx_errors,
- rec->data.rx_dropped,
- rec->data.tx_dropped,
- rec->data.time);
-}
-
-static void stats_hdr_info(struct stats_file *file)
-{
- struct stats_file_header *hdr;
- struct stats_record *begin, *end, *home, *roaming;
- unsigned int home_idx, roaming_idx;
-
- hdr = get_hdr(file);
- begin = get_begin(file);
- end = get_end(file);
-
- home = get_home(file);
- if (home == NULL)
- home_idx = UINT_MAX;
- else
- home_idx = get_index(file, home);
-
- roaming = get_roaming(file);
- if (roaming == NULL)
- roaming_idx = UINT_MAX;
- else
- roaming_idx = get_index(file, roaming);
-
- printf("Data Structure Sizes\n");
- printf(" sizeof header %zd/0x%02zx\n",
- sizeof(struct stats_file_header),
- sizeof(struct stats_file_header));
- printf(" sizeof entry %zd/0%02zx\n\n",
- sizeof(struct stats_record),
- sizeof(struct stats_record));
-
- printf("File\n");
- printf(" addr %p\n", file->addr);
- printf(" len %zd\n", file->len);
-
- printf(" max nr entries %d\n", file->max_nr);
- printf(" nr entries %d\n\n", file->nr);
-
- printf("Header\n");
- printf(" magic 0x%08x\n", hdr->magic);
- printf(" begin [%d] 0x%08x\n",
- get_index(file, begin), hdr->begin);
- printf(" end [%d] 0x%08x\n",
- get_index(file, end), hdr->end);
- printf(" home [%d] 0x%08x\n",
- home_idx, hdr->home);
- printf(" roaming [%d] 0x%08x\n\n",
- roaming_idx, hdr->roaming);
-
-
- printf("Pointers\n");
- printf(" hdr %p\n", hdr);
- printf(" begin %p\n", begin);
- printf(" end %p\n", end);
- printf(" home %p\n", home);
- printf(" romaing %p\n", roaming);
- printf(" first %p\n", file->first);
- printf(" last %p\n\n", file->last);
-}
-
-static void stats_print_entries(struct stats_file *file)
-{
- struct stats_record *it;
- int i;
-
- printf("[ idx] ptr ts roaming rx_packets tx_packets rx_bytes "
- "tx_bytes rx_errors tx_errors rx_dropped tx_dropped time\n\n");
-
- for (i = 0, it = file->first; it <= file->last; it++, i++) {
- printf("[%04d] ", i);
- stats_print_record(it);
- }
-}
-
-static void stats_print_rec_diff(struct stats_record *begin,
- struct stats_record *end)
-{
- printf("\trx_packets: %d\n",
- end->data.rx_packets - begin->data.rx_packets);
- printf("\ttx_packets: %d\n",
- end->data.tx_packets - begin->data.tx_packets);
- printf("\trx_bytes: %d\n",
- end->data.rx_bytes - begin->data.rx_bytes);
- printf("\ttx_bytes: %d\n",
- end->data.tx_bytes - begin->data.tx_bytes);
- printf("\trx_errors: %d\n",
- end->data.rx_errors - begin->data.rx_errors);
- printf("\ttx_errors: %d\n",
- end->data.tx_errors - begin->data.tx_errors);
- printf("\trx_dropped: %d\n",
- end->data.rx_dropped - begin->data.rx_dropped);
- printf("\ttx_dropped: %d\n",
- end->data.tx_dropped - begin->data.tx_dropped);
- printf("\ttime: %d\n",
- end->data.time - begin->data.time);
-}
-
-static void stats_print_diff(struct stats_file *file)
-{
- struct stats_record *begin, *end;
-
- begin = get_begin(file);
- begin = get_next(file, begin);
- end = get_end(file);
-
- printf("\n(begin + 1)\n");
- printf("\t[%04d] ", get_index(file, begin));
- stats_print_record(begin);
- printf("end\n");
- printf("\t[%04d] ", get_index(file, end));
- stats_print_record(end);
-
- if (file->home_first) {
- printf("\nhome\n");
- stats_print_rec_diff(file->home_first, get_home(file));
- }
-
- if (file->roaming_first) {
- printf("\roaming\n");
- stats_print_rec_diff(file->roaming_first, get_roaming(file));
- }
-}
-
-static void update_max_nr_entries(struct stats_file *file)
-{
- file->max_nr = (file->len - sizeof(struct stats_file_header)) /
- sizeof(struct stats_record);
-}
-
-static void update_nr_entries(struct stats_file *file)
-{
- struct stats_record *begin, *end;
- int nr;
-
- begin = get_begin(file);
- end = get_end(file);
-
- nr = get_index(file, end) - get_index(file, begin);
-
- if (nr < 0)
- nr += file->max_nr;
-
- file->nr = nr;
-}
-
-static void update_first(struct stats_file *file)
-{
- file->first = (struct stats_record *)(file->addr +
- sizeof(struct stats_file_header));
-}
-
-static void update_last(struct stats_file *file)
-{
- struct stats_record *last;
-
- last = file->first;
- last += file->max_nr - 1;
-
- file->last = last;
-}
-
-static int stats_file_update_cache(struct stats_file *file)
-{
- struct stats_record *it;
-
- update_max_nr_entries(file);
- update_nr_entries(file);
- update_first(file);
- update_last(file);
-
- for (it = file->first; it <= file->last &&
- (file->home_first == NULL ||
- file->roaming_first == NULL); it++) {
- if (file->home_first == NULL && it->roaming == 0)
- file->home_first = it;
-
- if (file->roaming_first == NULL && it->roaming == 1)
- file->roaming_first = it;
- }
- return 0;
-}
-
-static int stats_file_mmap(struct stats_file *file, size_t size)
-{
- size_t page_size;
-
- page_size = sysconf(_SC_PAGESIZE);
- file->len = (size + page_size - 1) & ~(page_size - 1);
-
- file->addr = mmap(NULL, file->len, PROT_READ,
- MAP_SHARED, file->fd, 0);
-
- if (file->addr == MAP_FAILED) {
- fprintf(stderr, "mmap error %s for %s\n",
- strerror(errno), file->name);
- return -errno;
- }
-
- stats_file_update_cache(file);
-
- return 0;
-}
-
-int main(int argc, char *argv[])
-{
- struct stats_file _file, *file;
- struct stat stat;
- int err;
-
- if (argc < 2) {
- printf("Usage: %s [STATS_FILENAME]\n", argv[0]);
- exit(0);
- }
-
- file = &_file;
- bzero(file, sizeof(struct stats_file));
-
- file->name = argv[1];
-
- file->fd = open(file->name, O_RDONLY, 0644);
- if (file->fd == -1) {
- fprintf(stderr, "open error %s for %s\n",
- strerror(errno), file->name);
- exit(1);
- }
-
- err = fstat(file->fd, &stat);
- if (err < 0) {
- fprintf(stderr, "fstat error %s for %s\n",
- strerror(errno), file->name);
- exit(1);
- }
-
- err = stats_file_mmap(file, stat.st_size);
- if (err < 0)
- exit(1);
-
- if (get_hdr(file)->magic != MAGIC) {
- /* not fatal */
- printf("No valid magic found\n");
- }
-
- stats_hdr_info(file);
- stats_print_entries(file);
- stats_print_diff(file);
-
- munmap(file->addr, file->len);
- close(file->fd);
-
- return 0;
-}
--- /dev/null
+/*
+ *
+ * Connection Manager
+ *
+ * Copyright (C) 2010 BMW Car IT GmbH. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+ *
+ */
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#define _GNU_SOURCE
+#include <sys/mman.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <sys/time.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <string.h>
+
+#include <sys/time.h>
+#include <time.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <errno.h>
+
+#include <glib.h>
+#include <glib/gstdio.h>
+
+#ifdef TEMP_FAILURE_RETRY
+#define TFR TEMP_FAILURE_RETRY
+#else
+#define TFR
+#endif
+
+#define MAGIC 0xFA00B916
+
+struct connman_stats_data {
+ unsigned int rx_packets;
+ unsigned int tx_packets;
+ unsigned int rx_bytes;
+ unsigned int tx_bytes;
+ unsigned int rx_errors;
+ unsigned int tx_errors;
+ unsigned int rx_dropped;
+ unsigned int tx_dropped;
+ unsigned int time;
+};
+
+struct stats_file_header {
+ unsigned int magic;
+ unsigned int begin;
+ unsigned int end;
+ unsigned int home;
+ unsigned int roaming;
+};
+
+struct stats_record {
+ time_t ts;
+ unsigned int roaming;
+ struct connman_stats_data data;
+};
+
+struct stats_file {
+ int fd;
+ char *name;
+ char *addr;
+ size_t len;
+ size_t max_len;
+
+ /* cached values */
+ int max_nr;
+ int nr;
+ struct stats_record *first;
+ struct stats_record *last;
+ struct stats_record *home_first;
+ struct stats_record *roaming_first;
+};
+
+struct stats_iter {
+ struct stats_file *file;
+ struct stats_record *begin;
+ struct stats_record *end;
+ struct stats_record *it;
+};
+
+static gint option_create = 0;
+static gint option_interval = 3;
+static gboolean option_dump = FALSE;
+static gboolean option_summary = FALSE;
+static char *option_info_file_name = NULL;
+static time_t option_start_ts = -1;
+static char *option_last_file_name = NULL;
+
+static gboolean parse_start_ts(const char *key, const char *value,
+ gpointer user_data, GError **error)
+{
+ GTimeVal time_val;
+
+ if (g_time_val_from_iso8601(value, &time_val) == FALSE)
+ return FALSE;
+
+ option_start_ts = time_val.tv_sec;
+
+ return TRUE;
+}
+
+static GOptionEntry options[] = {
+ { "create", 'c', 0, G_OPTION_ARG_INT, &option_create,
+ "Create a .data file with NR faked entries", "NR" },
+ { "interval", 'i', 0, G_OPTION_ARG_INT, &option_interval,
+ "Interval in seconds (used with create)", "INTERVAL" },
+ { "dump", 'd', 0, G_OPTION_ARG_NONE, &option_dump,
+ "Dump contents of .data file" },
+ { "summary", 's', 0, G_OPTION_ARG_NONE, &option_summary,
+ "Summary of .data file" },
+ { "info", 'f', 0, G_OPTION_ARG_FILENAME, &option_info_file_name,
+ ".info file name" },
+ { "startts", 't', 0, G_OPTION_ARG_CALLBACK, parse_start_ts,
+ "Set start time for creating .data file "
+ "(example 2010-11-05T23:00:12Z)", "TS"},
+ { "last", 'l', 0, G_OPTION_ARG_FILENAME, &option_last_file_name,
+ "Start values from last .data file" },
+ { NULL },
+};
+
+static struct stats_file_header *get_hdr(struct stats_file *file)
+{
+ return (struct stats_file_header *)file->addr;
+}
+
+static struct stats_record *get_begin(struct stats_file *file)
+{
+ unsigned int off = get_hdr(file)->begin;
+
+ return (struct stats_record *)(file->addr + off);
+}
+
+static struct stats_record *get_end(struct stats_file *file)
+{
+ unsigned int off = get_hdr(file)->end;
+
+ return (struct stats_record *)(file->addr + off);
+}
+
+static struct stats_record *get_home(struct stats_file *file)
+{
+ struct stats_file_header *hdr;
+
+ hdr = get_hdr(file);
+
+ if (hdr->home == UINT_MAX)
+ return NULL;
+
+ return (struct stats_record *)(file->addr + hdr->home);
+}
+
+static struct stats_record *get_roaming(struct stats_file *file)
+{
+ struct stats_file_header *hdr;
+
+ hdr = get_hdr(file);
+
+ if (hdr->roaming == UINT_MAX)
+ return NULL;
+
+ return (struct stats_record *)(file->addr + hdr->roaming);
+}
+
+static void set_end(struct stats_file *file, struct stats_record *end)
+{
+ struct stats_file_header *hdr;
+
+ hdr = get_hdr(file);
+ hdr->end = (char *)end - file->addr;
+}
+
+static int get_index(struct stats_file *file, struct stats_record *rec)
+{
+ return rec - file->first;
+}
+
+static struct stats_record *get_next(struct stats_file *file,
+ struct stats_record *cur)
+{
+ cur++;
+
+ if (cur > file->last)
+ cur = file->first;
+
+ return cur;
+}
+
+static struct stats_record *get_iterator_begin(struct stats_file *file)
+{
+ return get_next(file, get_begin(file));
+}
+
+static struct stats_record *get_iterator_end(struct stats_file *file)
+{
+ return get_next(file, get_end(file));
+}
+
+static void stats_print_record(struct stats_record *rec)
+{
+ char buffer[30];
+
+ strftime(buffer, 30, "%d-%m-%Y %T", localtime(&rec->ts));
+ printf("%p %lld %s %01d %d %d %d %d %d %d %d %d %d\n",
+ rec, (long long int)rec->ts, buffer,
+ rec->roaming,
+ rec->data.rx_packets,
+ rec->data.tx_packets,
+ rec->data.rx_bytes,
+ rec->data.tx_bytes,
+ rec->data.rx_errors,
+ rec->data.tx_errors,
+ rec->data.rx_dropped,
+ rec->data.tx_dropped,
+ rec->data.time);
+}
+
+static void stats_hdr_info(struct stats_file *file)
+{
+ struct stats_file_header *hdr;
+ struct stats_record *begin, *end, *home, *roaming;
+ unsigned int home_idx, roaming_idx;
+
+ hdr = get_hdr(file);
+ begin = get_begin(file);
+ end = get_end(file);
+
+ home = get_home(file);
+ if (home == NULL)
+ home_idx = UINT_MAX;
+ else
+ home_idx = get_index(file, home);
+
+ roaming = get_roaming(file);
+ if (roaming == NULL)
+ roaming_idx = UINT_MAX;
+ else
+ roaming_idx = get_index(file, roaming);
+
+ printf("Data Structure Sizes\n");
+ printf(" sizeof header %zd/0x%02zx\n",
+ sizeof(struct stats_file_header),
+ sizeof(struct stats_file_header));
+ printf(" sizeof entry %zd/0%02zx\n\n",
+ sizeof(struct stats_record),
+ sizeof(struct stats_record));
+
+ printf("File\n");
+ printf(" addr %p\n", file->addr);
+ printf(" len %zd\n", file->len);
+
+ printf(" max nr entries %d\n", file->max_nr);
+ printf(" nr entries %d\n\n", file->nr);
+
+ printf("Header\n");
+ printf(" magic 0x%08x\n", hdr->magic);
+ printf(" begin [%d] 0x%08x\n",
+ get_index(file, begin), hdr->begin);
+ printf(" end [%d] 0x%08x\n",
+ get_index(file, end), hdr->end);
+ printf(" home [%d] 0x%08x\n",
+ home_idx, hdr->home);
+ printf(" roaming [%d] 0x%08x\n\n",
+ roaming_idx, hdr->roaming);
+
+
+ printf("Pointers\n");
+ printf(" hdr %p\n", hdr);
+ printf(" begin %p\n", begin);
+ printf(" end %p\n", end);
+ printf(" home %p\n", home);
+ printf(" romaing %p\n", roaming);
+ printf(" first %p\n", file->first);
+ printf(" last %p\n\n", file->last);
+}
+
+static void stats_print_entries(struct stats_file *file)
+{
+ struct stats_record *it;
+ int i;
+
+ printf("[ idx] ptr ts ts rx_packets tx_packets rx_bytes "
+ "tx_bytes rx_errors tx_errors rx_dropped tx_dropped time\n\n");
+
+ for (i = 0, it = file->first; it <= file->last; it++, i++) {
+ printf("[%04d] ", i);
+ stats_print_record(it);
+ }
+}
+
+static void stats_print_rec_diff(struct stats_record *begin,
+ struct stats_record *end)
+{
+ printf("\trx_packets: %d\n",
+ end->data.rx_packets - begin->data.rx_packets);
+ printf("\ttx_packets: %d\n",
+ end->data.tx_packets - begin->data.tx_packets);
+ printf("\trx_bytes: %d\n",
+ end->data.rx_bytes - begin->data.rx_bytes);
+ printf("\ttx_bytes: %d\n",
+ end->data.tx_bytes - begin->data.tx_bytes);
+ printf("\trx_errors: %d\n",
+ end->data.rx_errors - begin->data.rx_errors);
+ printf("\ttx_errors: %d\n",
+ end->data.tx_errors - begin->data.tx_errors);
+ printf("\trx_dropped: %d\n",
+ end->data.rx_dropped - begin->data.rx_dropped);
+ printf("\ttx_dropped: %d\n",
+ end->data.tx_dropped - begin->data.tx_dropped);
+ printf("\ttime: %d\n",
+ end->data.time - begin->data.time);
+}
+
+static void stats_print_diff(struct stats_file *file)
+{
+ struct stats_record *begin, *end;
+
+ begin = get_begin(file);
+ begin = get_next(file, begin);
+ end = get_end(file);
+
+ printf("\n(begin + 1)\n");
+ printf("\t[%04d] ", get_index(file, begin));
+ stats_print_record(begin);
+ printf("end\n");
+ printf("\t[%04d] ", get_index(file, end));
+ stats_print_record(end);
+
+ if (file->home_first != NULL && get_home(file) != NULL) {
+ printf("\nhome\n");
+ stats_print_rec_diff(file->home_first, get_home(file));
+ }
+
+ if (file->roaming_first != NULL && get_roaming(file) != NULL) {
+ printf("\roaming\n");
+ stats_print_rec_diff(file->roaming_first, get_roaming(file));
+ }
+}
+
+static void update_max_nr_entries(struct stats_file *file)
+{
+ file->max_nr = (file->len - sizeof(struct stats_file_header)) /
+ sizeof(struct stats_record);
+}
+
+static void update_nr_entries(struct stats_file *file)
+{
+ struct stats_record *begin, *end;
+ int nr;
+
+ begin = get_begin(file);
+ end = get_end(file);
+
+ nr = get_index(file, end) - get_index(file, begin);
+
+ if (nr < 0)
+ nr += file->max_nr;
+
+ file->nr = nr;
+}
+
+static void update_first(struct stats_file *file)
+{
+ file->first = (struct stats_record *)(file->addr +
+ sizeof(struct stats_file_header));
+}
+
+static void update_last(struct stats_file *file)
+{
+ struct stats_record *last;
+
+ last = file->first;
+ last += file->max_nr - 1;
+
+ file->last = last;
+}
+
+static int stats_file_update_cache(struct stats_file *file)
+{
+ struct stats_record *it, *end;
+
+ update_max_nr_entries(file);
+ update_nr_entries(file);
+ update_first(file);
+ update_last(file);
+ file->home_first = NULL;
+ file->roaming_first = NULL;
+
+ end = get_iterator_end(file);
+ for (it = get_iterator_begin(file);
+ it != end;
+ it = get_next(file, it)) {
+
+ if (file->home_first == NULL && it->roaming == 0)
+ file->home_first = it;
+
+ if (file->roaming_first == NULL && it->roaming == 1)
+ file->roaming_first = it;
+
+ if (file->home_first != NULL && file->roaming_first != NULL)
+ break;
+ }
+
+ return 0;
+}
+
+static int stats_file_remap(struct stats_file *file, size_t size)
+{
+ size_t page_size, new_size;
+ void *addr;
+ int err;
+
+ page_size = sysconf(_SC_PAGESIZE);
+ new_size = (size + page_size - 1) & ~(page_size - 1);
+
+ err = ftruncate(file->fd, new_size);
+ if (err < 0) {
+ fprintf(stderr, "ftrunctate error %s for %s",
+ strerror(errno), file->name);
+ return -errno;
+ }
+
+ if (file->addr == NULL) {
+ addr = mmap(NULL, new_size, PROT_READ | PROT_WRITE,
+ MAP_SHARED, file->fd, 0);
+ } else {
+ addr = mremap(file->addr, file->len, new_size, MREMAP_MAYMOVE);
+ }
+
+ if (addr == MAP_FAILED) {
+ fprintf(stderr, "mmap error %s for %s\n",
+ strerror(errno), file->name);
+ return -errno;
+ }
+
+ file->addr = addr;
+ file->len = new_size;
+ file->max_len = new_size;
+
+ return 0;
+}
+
+static int stats_open(struct stats_file *file, const char *name)
+{
+ struct stats_file_header *hdr;
+ struct stat tm;
+ int err;
+ size_t size = 0;
+
+ bzero(file, sizeof(struct stats_file));
+
+ if (name != NULL) {
+ file->name = g_strdup(name);
+
+ file->fd = TFR(open(file->name, O_RDWR | O_CREAT, 0644));
+ if (file->fd == -1) {
+ fprintf(stderr, "open error %s for %s\n",
+ strerror(errno), file->name);
+ return -errno;
+ }
+
+ err = fstat(file->fd, &tm);
+ if (err < 0) {
+ fprintf(stderr, "fstat error %s for %s\n",
+ strerror(errno), file->name);
+ return err;
+ }
+
+ size = (size_t)tm.st_size;
+ } else {
+ file->name = g_strdup("stats.XXXXXX.tmp");
+ file->fd = g_mkstemp_full(file->name, O_RDWR | O_CREAT, 0644);
+ if (file->fd == -1) {
+ fprintf(stderr, "creating tmp failed\n");
+ return -1;
+ }
+ }
+
+ if (size == 0)
+ size = sysconf(_SC_PAGESIZE);
+
+ err = stats_file_remap(file, size);
+ if (err < 0) {
+ fprintf(stderr, "remap failed\n");
+ return err;
+ }
+
+ /* Initialize new file */
+ hdr = get_hdr(file);
+ if (hdr->magic != MAGIC ||
+ hdr->begin < sizeof(struct stats_file_header) ||
+ hdr->end < sizeof(struct stats_file_header) ||
+ hdr->home < sizeof(struct stats_file_header) ||
+ hdr->roaming < sizeof(struct stats_file_header) ||
+ hdr->begin > file->len ||
+ hdr->end > file->len) {
+ hdr->magic = MAGIC;
+ hdr->begin = sizeof(struct stats_file_header);
+ hdr->end = sizeof(struct stats_file_header);
+ hdr->home = UINT_MAX;
+ hdr->roaming = UINT_MAX;
+
+ }
+ stats_file_update_cache(file);
+
+ return 0;
+}
+
+static void stats_close(struct stats_file *file)
+{
+ munmap(file->addr, file->len);
+ close(file->fd);
+ g_free(file->name);
+}
+
+static int stats_create(struct stats_file *file, unsigned int nr,
+ unsigned int interval, time_t start_ts,
+ struct stats_record *start)
+{
+ unsigned int i;
+ int err;
+ struct stats_record *cur, *next;
+ struct stats_file_header *hdr;
+ unsigned int pkt;
+ unsigned int step_ts;
+ unsigned int roaming = FALSE;
+
+ hdr = get_hdr(file);
+
+ hdr->magic = MAGIC;
+ hdr->begin = sizeof(struct stats_file_header);
+ hdr->end = sizeof(struct stats_file_header);
+ hdr->home = UINT_MAX;
+ hdr->roaming = UINT_MAX;
+
+ stats_file_update_cache(file);
+
+ if (start != NULL) {
+ struct stats_record *rec;
+
+ rec = get_end(file);
+ memcpy(rec, start, sizeof(struct stats_record));
+ } else {
+ get_end(file)->ts = start_ts;
+ }
+
+ for (i = 0; i < nr; i++) {
+ if (file->last == get_end(file)) {
+ err = stats_file_remap(file, file->len +
+ sysconf(_SC_PAGESIZE));
+ if (err < 0)
+ return err;
+
+ stats_file_update_cache(file);
+ }
+ cur = get_end(file);
+ next = get_next(file, cur);
+
+ step_ts = (rand() % interval);
+ if (step_ts == 0)
+ step_ts = 1;
+
+ next->ts = cur->ts + step_ts;
+ next->roaming = roaming;
+ next->data.time = cur->data.time + step_ts;
+
+ next->data.rx_packets = cur->data.rx_packets;
+ next->data.rx_bytes = cur->data.rx_bytes;
+
+ if (rand() % 3 == 0) {
+ pkt = rand() % 5;
+ next->data.rx_packets += pkt;
+ next->data.rx_bytes += pkt * (rand() % 1500);
+ }
+
+ next->data.tx_packets = cur->data.tx_packets;
+ next->data.tx_bytes = cur->data.tx_bytes;
+
+ if (rand() % 3 == 0) {
+ pkt = rand() % 5;
+ next->data.tx_packets += pkt;
+ next->data.tx_bytes += pkt * (rand() % 1500);
+ }
+
+ set_end(file, next);
+
+ if ((rand() % 50) == 0)
+ roaming = roaming == TRUE? FALSE : TRUE;
+
+ }
+
+ return 0;
+}
+
+static struct stats_record *get_next_record(struct stats_iter *iter)
+{
+ if (iter->it != iter->end) {
+ struct stats_record *tmp;
+
+ tmp = iter->it;
+ iter->it = get_next(iter->file, iter->it);
+
+ return tmp;
+ }
+
+ return NULL;
+}
+
+static int append_record(struct stats_file *file,
+ struct stats_record *rec)
+{
+ struct stats_record *cur, *next;
+ int err;
+
+ if (file->last == get_end(file)) {
+ err = stats_file_remap(file, file->len +
+ sysconf(_SC_PAGESIZE));
+ if (err < 0)
+ return err;
+
+ stats_file_update_cache(file);
+ }
+
+ cur = get_end(file);
+ next = get_next(file, cur);
+
+ memcpy(next, rec, sizeof(struct stats_record));
+
+ set_end(file, next);
+
+ return 0;
+}
+
+static struct stats_record *process_file(struct stats_iter *iter,
+ struct stats_file *temp_file,
+ struct stats_record *cur,
+ GDate *date_change_step_size,
+ int account_period_offset)
+{
+ struct stats_record *home, *roaming;
+ struct stats_record *next;
+
+ home = NULL;
+ roaming = NULL;
+
+ if (cur == NULL)
+ cur = get_next_record(iter);
+ next = get_next_record(iter);
+
+ while (next != NULL) {
+ GDate date_cur;
+ GDate date_next;
+ int append;
+
+ append = FALSE;
+
+ if (cur->roaming == TRUE)
+ roaming = cur;
+ else
+ home = cur;
+
+ g_date_set_time_t(&date_cur, cur->ts);
+ g_date_set_time_t(&date_next, next->ts);
+
+ if (g_date_compare(&date_cur, date_change_step_size) < 0) {
+ /* month period size */
+ GDateDay day_cur, day_next;
+ GDateMonth month_cur, month_next;
+
+ month_cur = g_date_get_month(&date_cur);
+ month_next = g_date_get_month(&date_next);
+
+ day_cur = g_date_get_day(&date_cur);
+ day_next = g_date_get_day(&date_next);
+
+ if (day_cur == day_next && month_cur != month_next)
+ append = TRUE;
+ else if (day_cur < account_period_offset && day_next >= account_period_offset)
+ append = TRUE;
+ } else {
+ /* day period size */
+ if (g_date_days_between(&date_cur, &date_next) > 0)
+ append = TRUE;
+ }
+
+ if (append == TRUE) {
+ if (home != NULL) {
+ append_record(temp_file, home);
+ home = NULL;
+ }
+
+ if (roaming != NULL) {
+ append_record(temp_file, roaming);
+ roaming = NULL;
+ }
+ }
+
+ cur = next;
+ next = get_next_record(iter);
+ }
+
+ return cur;
+}
+
+static int summarize(struct stats_file *data_file,
+ struct stats_file *history_file,
+ struct stats_file *temp_file,
+ int account_period_offset)
+{
+ struct stats_iter data_iter;
+ struct stats_iter history_iter;
+ struct stats_record *cur, *next;
+
+ GDate today, date_change_step_size;
+
+ /*
+ * First calculate the date when switch from monthly
+ * accounting period size to daily size
+ */
+ g_date_set_time_t(&today, time(NULL));
+
+ date_change_step_size = today;
+ if (g_date_get_day(&today) - account_period_offset >= 0)
+ g_date_subtract_months(&date_change_step_size, 2);
+ else
+ g_date_subtract_months(&date_change_step_size, 3);
+
+ g_date_set_day(&date_change_step_size, account_period_offset);
+
+
+ /* Now process history file */
+ cur = NULL;
+
+ if (history_file != NULL) {
+ history_iter.file = history_file;
+ history_iter.begin = get_iterator_begin(history_iter.file);
+ history_iter.end = get_iterator_end(history_iter.file);
+ history_iter.it = history_iter.begin;
+
+ cur = process_file(&history_iter, temp_file, NULL,
+ &date_change_step_size, account_period_offset);
+ }
+
+ data_iter.file = data_file;
+ data_iter.begin = get_iterator_begin(data_iter.file);
+ data_iter.end = get_iterator_end(data_iter.file);
+ data_iter.it = data_iter.begin;
+
+ /*
+ * Ensure date_file records are newer than the history_file
+ * record
+ */
+ if (cur != NULL) {
+ next = get_next_record(&data_iter);
+ while(next != NULL && cur->ts > next->ts)
+ next = get_next_record(&data_iter);
+ }
+
+ /* And finally process the new data records */
+ cur = process_file(&data_iter, temp_file, cur,
+ &date_change_step_size, account_period_offset);
+
+ if (cur != NULL)
+ append_record(temp_file, cur);
+
+ return 0;
+}
+
+static void swap_and_close_files(struct stats_file *history_file,
+ struct stats_file *temp_file)
+{
+ munmap(history_file->addr, history_file->len);
+ munmap(temp_file->addr, temp_file->len);
+
+ TFR(close(temp_file->fd));
+
+ unlink(history_file->name);
+
+ if (link(temp_file->name, history_file->name) < 0)
+ return;
+
+ unlink(temp_file->name);
+ TFR(close(history_file->fd));
+}
+
+static void history_file_update(struct stats_file *data_file,
+ const char *history_file_name)
+{
+ struct stats_file _history_file;
+ struct stats_file tempory_file;
+
+ struct stats_file *history_file = NULL;
+
+ if (stats_open(&_history_file, history_file_name) == 0)
+ history_file = &_history_file;
+
+ if (stats_open(&tempory_file, NULL) < 0) {
+ if (history_file != NULL)
+ stats_close(history_file);
+ return;
+ }
+
+ summarize(data_file, history_file, &tempory_file, 13);
+
+ swap_and_close_files(history_file, &tempory_file);
+}
+
+int main(int argc, char *argv[])
+{
+ GOptionContext *context;
+ GError *error = NULL;
+
+ struct stats_file_header *hdr;
+ struct stats_file data, *data_file;
+ struct stats_record *rec;
+ time_t start_ts;
+ int err;
+
+ rec = NULL;
+
+ data_file = &data;
+
+ putenv("TZ=GMT0");
+
+ context = g_option_context_new(NULL);
+ g_option_context_add_main_entries(context, options, NULL);
+
+ if (g_option_context_parse(context, &argc, &argv, &error) == FALSE) {
+ if (error != NULL) {
+ g_printerr("%s\n", error->message);
+ g_error_free(error);
+ } else
+ g_printerr("An unknown error occurred\n");
+ exit(1);
+ }
+
+ g_option_context_free(context);
+
+ if (argc < 2) {
+ printf("Usage: %s [FILENAME]\n", argv[0]);
+ exit(0);
+ }
+
+ err = stats_open(data_file, argv[1]);
+ if (err < 0) {
+ fprintf(stderr, "failed open file %s\n", argv[1]);
+ exit(1);
+ }
+
+ if (option_last_file_name != NULL) {
+ struct stats_file last;
+ if (stats_open(&last, option_last_file_name) < 0) {
+ fprintf(stderr, "failed open file %s\n",
+ option_last_file_name);
+ exit(1);
+ }
+
+ rec = get_end(&last);
+ }
+
+ if (option_start_ts == -1)
+ start_ts = time(NULL);
+ else
+ start_ts = option_start_ts;
+
+ if (option_create > 0)
+ stats_create(data_file, option_create, option_interval, start_ts, rec);
+
+ hdr = get_hdr(data_file);
+ if (hdr->magic != MAGIC) {
+ fprintf(stderr, "header file magic test failed\n");
+ goto err;
+ }
+
+ stats_file_update_cache(data_file);
+
+ stats_hdr_info(data_file);
+
+ if (option_dump == TRUE)
+ stats_print_entries(data_file);
+
+ if (option_summary == TRUE)
+ stats_print_diff(data_file);
+
+ if (option_info_file_name != NULL)
+ history_file_update(data_file, option_info_file_name);
+
+err:
+ stats_close(data_file);
+
+ return 0;
+}
projects / framework / connectivity / connman.git / commitdiff