static int load_index(int fips, void **base, size_t *size) {
const char *map_path = roadmap_db_map_path ();
char name[30];
char filename[512];
const char *suffix = "index";
snprintf (name, sizeof (name), "%05d_%s%s", fips, suffix,
ROADMAP_DATA_TYPE);
roadmap_path_format (filename, sizeof (filename), map_path, name);
roadmap_log(ROADMAP_DEBUG,"index filename: %s", filename);
RoadMapFile file = roadmap_file_open (filename, "r");
if (!ROADMAP_FILE_IS_VALID(file)) {
return -1;
}
*size = favail(file);
*base = malloc (*size);
int res = roadmap_file_read (file, *base, *size);
roadmap_file_close (file);
if (res != (int)*size) {
free (*base);
return -1;
}
return 0;
}
int editor_db_open (int map_id) {
char name[100];
const char *map_path;
char file_name[512];
int do_read = 0;
editor_log_push ("editor_db_open");
#ifndef IPHONE
map_path = roadmap_db_map_path();
#else
map_path = roadmap_path_preferred("maps");
#endif //IPHONE
if (!map_path) {
editor_log (ROADMAP_ERROR, "Can't find editor path");
editor_log_pop ();
return -1;
}
snprintf (name, sizeof(name), "edt%05d.dat", map_id);
roadmap_path_format (file_name, sizeof (file_name), map_path, name);
if (roadmap_file_exists (map_path, name)) {
EditorDataFile = roadmap_file_open(file_name, "rw");
do_read = 1;
} else {
roadmap_path_create (map_path);
EditorDataFile = roadmap_file_open(file_name, "w");
roadmap_file_write (EditorDataFile, &DB_SIGNATURE, sizeof (int));
}
do {
if (!ROADMAP_FILE_IS_VALID(EditorDataFile)) {
editor_log (ROADMAP_ERROR, "Can't open/create new database: %s/%s",
map_path, name);
editor_log_pop ();
return -1;
}
if (do_read) {
do_read = 0;
if (editor_db_read () == -1) {
editor_db_free ();
//roadmap_messagebox("Error", "Offline data file is currupt: Re-Initializing data");
roadmap_log (ROADMAP_ERROR, "Offline data file is currupt: Re-Initializing data");
roadmap_file_close (EditorDataFile);
roadmap_file_remove (NULL, file_name);
EditorDataFile = roadmap_file_open(file_name, "w");
roadmap_file_write (EditorDataFile, &DB_SIGNATURE, sizeof (int));
}
}
} while (do_read);
EditorActiveMap = map_id;
editor_log_pop ();
return 0;
}
int editor_db_open (int map_id) {
char name[100];
const char *map_path;
char *file_name;
int do_read = 0;
editor_log_push ("editor_db_open");
map_path = roadmap_db_map_path();
if (!map_path) {
editor_log (ROADMAP_ERROR, "Can't find editor path");
editor_log_pop ();
return -1;
}
snprintf (name, sizeof(name), "edt%05d.dat", map_id);
file_name = roadmap_path_join(map_path, name);
if (roadmap_file_exists (map_path, name)) {
EditorDataFile = roadmap_file_open(file_name, "rw");
do_read = 1;
} else {
roadmap_path_create (map_path);
EditorDataFile = roadmap_file_open(file_name, "w");
}
#ifdef WIN32
roadmap_path_free(map_path);
#endif
do {
if (!ROADMAP_FILE_IS_VALID(EditorDataFile)) {
editor_log (ROADMAP_ERROR, "Can't open/create new database: %s/%s",
map_path, name);
roadmap_path_free(file_name);
editor_log_pop ();
return -1;
}
if (do_read) {
do_read = 0;
if (editor_db_read () == -1) {
editor_db_free ();
roadmap_messagebox("Error", "Offline data file is currupt: Re-Initializing data");
roadmap_file_close (EditorDataFile);
roadmap_file_remove (NULL, file_name);
EditorDataFile = roadmap_file_open(file_name, "w");
}
}
} while (do_read);
roadmap_path_free(file_name);
EditorActiveMap = map_id;
editor_log_pop ();
return 0;
}
static int roadmap_httpcopy (RoadMapDownloadCallbacks *callbacks,
const char *source,
const char *destination) {
RoadMapSocket fd;
RoadMapFile file;
int size;
int loaded;
int received;
char buffer[ROADMAP_HTTP_MAX_CHUNK];
fd = roadmap_net_connect("http_get", source, 80, NULL);
if (!ROADMAP_NET_IS_VALID(fd)) return 0;
if (roadmap_net_send(fd, "\r\n", 2, 0) == -1) return 0;
received = sizeof(buffer);
size = roadmap_http_decode_header
(fd, buffer, &received, callbacks->error);
if (size <= 0) {
roadmap_net_close (fd);
return 0; /* We did not get the size. */
}
if (! callbacks->size (size)) {
roadmap_net_close (fd);
return 0;
}
callbacks->progress (received);
roadmap_file_remove (NULL, destination);
file = roadmap_file_open(destination, "w");
if (!ROADMAP_FILE_IS_VALID(file)) {
roadmap_net_close (fd);
return 0;
}
if (received > 0) {
if (roadmap_file_write(file, buffer, received) != received) {
callbacks->error ("Error writing data");
goto cancel_download;
}
}
loaded = received;
while (loaded < size) {
received = roadmap_net_receive (fd, buffer, sizeof(buffer));
if (received <= 0) {
callbacks->error ("Receive error after %d data bytes", loaded);
goto cancel_download;
}
if (roadmap_file_write(file, buffer, received) != received) {
callbacks->error ("Error writing data");
goto cancel_download;
}
loaded += received;
callbacks->progress (loaded);
}
if (loaded != size) {
callbacks->error ("Receive error after %d data bytes", loaded);
goto cancel_download;
}
roadmap_net_close (fd);
roadmap_file_close(file);
return 1;
cancel_download:
roadmap_file_close(file);
roadmap_file_remove (NULL, destination);
roadmap_net_close (fd);
return 0;
}