*
* \brief Image Management
*
- * \author Mark Spencer <markster@digium.com>
+ * \author Mark Spencer <markster@digium.com>
*/
-#include "asterisk.h"
+/*** MODULEINFO
+ <support_level>core</support_level>
+ ***/
-ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
+#include "asterisk.h"
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
#include <sys/time.h>
#include <sys/stat.h>
#include <signal.h>
-#include <errno.h>
-#include <unistd.h>
+#include "asterisk/paths.h" /* use ast_config_AST_DATA_DIR */
#include "asterisk/sched.h"
-#include "asterisk/options.h"
#include "asterisk/channel.h"
-#include "asterisk/logger.h"
#include "asterisk/file.h"
#include "asterisk/image.h"
#include "asterisk/translate.h"
#include "asterisk/lock.h"
/* XXX Why don't we just use the formats struct for this? */
-static AST_LIST_HEAD_STATIC(imagers, ast_imager);
+static AST_RWLIST_HEAD_STATIC(imagers, ast_imager);
int ast_image_register(struct ast_imager *img)
{
- if (option_verbose > 1)
- ast_verbose(VERBOSE_PREFIX_2 "Registered format '%s' (%s)\n", img->name, img->desc);
- AST_LIST_LOCK(&imagers);
- AST_LIST_INSERT_HEAD(&imagers, img, list);
- AST_LIST_UNLOCK(&imagers);
+ AST_RWLIST_WRLOCK(&imagers);
+ AST_RWLIST_INSERT_HEAD(&imagers, img, list);
+ AST_RWLIST_UNLOCK(&imagers);
+ ast_verb(2, "Registered format '%s' (%s)\n", img->name, img->desc);
return 0;
}
void ast_image_unregister(struct ast_imager *img)
{
- struct ast_imager *i;
-
- AST_LIST_LOCK(&imagers);
- AST_LIST_TRAVERSE_SAFE_BEGIN(&imagers, i, list) {
- if (i == img) {
- AST_LIST_REMOVE_CURRENT(&imagers, list);
- break;
- }
- }
- AST_LIST_TRAVERSE_SAFE_END
- AST_LIST_UNLOCK(&imagers);
- if (i && (option_verbose > 1))
- ast_verbose(VERBOSE_PREFIX_2 "Unregistered format '%s' (%s)\n", img->name, img->desc);
+ AST_RWLIST_WRLOCK(&imagers);
+ img = AST_RWLIST_REMOVE(&imagers, img, list);
+ AST_RWLIST_UNLOCK(&imagers);
+
+ if (img)
+ ast_verb(2, "Unregistered format '%s' (%s)\n", img->name, img->desc);
}
int ast_supports_images(struct ast_channel *chan)
{
- if (!chan || !chan->tech)
+ if (!chan || !ast_channel_tech(chan))
return 0;
- if (!chan->tech->send_image)
+ if (!ast_channel_tech(chan)->send_image)
return 0;
return 1;
}
return 0;
}
-static void make_filename(char *buf, int len, char *filename, const char *preflang, char *ext)
+static void make_filename(char *buf, int len, const char *filename, const char *preflang, char *ext)
{
if (filename[0] == '/') {
if (!ast_strlen_zero(preflang))
}
}
-struct ast_frame *ast_read_image(char *filename, const char *preflang, int format)
+struct ast_frame *ast_read_image(const char *filename, const char *preflang, struct ast_format *format)
{
struct ast_imager *i;
char buf[256];
int fd;
int len=0;
struct ast_frame *f = NULL;
-
- AST_LIST_LOCK(&imagers);
- AST_LIST_TRAVERSE(&imagers, i, list) {
- if (i->format & format) {
+
+ AST_RWLIST_RDLOCK(&imagers);
+ AST_RWLIST_TRAVERSE(&imagers, i, list) {
+ /* if NULL image format, just pick the first one, otherwise match it. */
+ if (!format || (ast_format_cmp(i->format, format) == AST_FORMAT_CMP_EQUAL)) {
char *stringp=NULL;
- strncpy(tmp, i->exts, sizeof(tmp)-1);
- stringp=tmp;
+ ast_copy_string(tmp, i->exts, sizeof(tmp));
+ stringp = tmp;
e = strsep(&stringp, "|");
- while(e) {
+ while (e) {
make_filename(buf, sizeof(buf), filename, preflang, e);
if ((len = file_exists(buf))) {
found = i;
}
}
if (found)
- break;
+ break;
}
if (found) {
if (!found->identify || found->identify(fd)) {
/* Reset file pointer */
lseek(fd, 0, SEEK_SET);
- f = found->read_image(fd,len);
+ f = found->read_image(fd, len);
} else
ast_log(LOG_WARNING, "%s does not appear to be a %s file\n", buf, found->name);
close(fd);
ast_log(LOG_WARNING, "Unable to open '%s': %s\n", buf, strerror(errno));
} else
ast_log(LOG_WARNING, "Image file '%s' not found\n", filename);
-
- AST_LIST_UNLOCK(&imagers);
-
+
+ AST_RWLIST_UNLOCK(&imagers);
+
return f;
}
-int ast_send_image(struct ast_channel *chan, char *filename)
+int ast_send_image(struct ast_channel *chan, const char *filename)
{
struct ast_frame *f;
int res = -1;
- if (chan->tech->send_image) {
- f = ast_read_image(filename, chan->language, -1);
+ if (ast_channel_tech(chan)->send_image) {
+ f = ast_read_image(filename, ast_channel_language(chan), NULL);
if (f) {
- res = chan->tech->send_image(chan, f);
+ res = ast_channel_tech(chan)->send_image(chan, f);
ast_frfree(f);
}
}
return res;
}
-static int show_image_formats(int fd, int argc, char *argv[])
+static char *handle_core_show_image_formats(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
{
#define FORMAT "%10s %10s %50s %10s\n"
#define FORMAT2 "%10s %10s %50s %10s\n"
struct ast_imager *i;
- if (argc != 4)
- return RESULT_SHOWUSAGE;
- ast_cli(fd, FORMAT, "Name", "Extensions", "Description", "Format");
- AST_LIST_TRAVERSE(&imagers, i, list)
- ast_cli(fd, FORMAT2, i->name, i->exts, i->desc, ast_getformatname(i->format));
- return RESULT_SUCCESS;
+ int count_fmt = 0;
+
+ switch (cmd) {
+ case CLI_INIT:
+ e->command = "core show image formats";
+ e->usage =
+ "Usage: core show image formats\n"
+ " Displays currently registered image formats (if any).\n";
+ return NULL;
+ case CLI_GENERATE:
+ return NULL;
+ }
+ if (a->argc != 4)
+ return CLI_SHOWUSAGE;
+ ast_cli(a->fd, FORMAT, "Name", "Extensions", "Description", "Format");
+ ast_cli(a->fd, FORMAT, "----", "----------", "-----------", "------");
+ AST_RWLIST_RDLOCK(&imagers);
+ AST_RWLIST_TRAVERSE(&imagers, i, list) {
+ ast_cli(a->fd, FORMAT2, i->name, i->exts, i->desc, ast_format_get_name(i->format));
+ count_fmt++;
+ }
+ AST_RWLIST_UNLOCK(&imagers);
+ ast_cli(a->fd, "\n%d image format%s registered.\n", count_fmt, count_fmt == 1 ? "" : "s");
+ return CLI_SUCCESS;
}
-struct ast_cli_entry cli_image[] = {
- { { "file", "list", "formats", "image" },
- show_image_formats, "Displays image formats",
- "Usage: file list formats image\n"
- " displays currently registered image formats (if any)\n" },
+static struct ast_cli_entry cli_image[] = {
+ AST_CLI_DEFINE(handle_core_show_image_formats, "Displays image formats")
};
+static void image_shutdown(void)
+{
+ ast_cli_unregister_multiple(cli_image, ARRAY_LEN(cli_image));
+}
+
int ast_image_init(void)
{
- ast_cli_register_multiple(cli_image, sizeof(cli_image) / sizeof(struct ast_cli_entry));
+ ast_cli_register_multiple(cli_image, ARRAY_LEN(cli_image));
+ ast_register_cleanup(image_shutdown);
return 0;
}