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https://origsvn.digium.com/svn/asterisk/branches/1.4

........
  r240414 | tilghman | 2010-01-15 14:52:27 -0600 (Fri, 15 Jan 2010) | 15 lines
  
  Disallow leaving more than maxmsg voicemails.
  This is a possibility because our previous method assumed that no messages are
  left in parallel, which is not a safe assumption.  Due to the vmu structure
  duplication, it was necessary to track in-process messages via a separate
  structure.  If at some point, we switch vmu to an ao2-reference-counted
  structure, which would eliminate the prior noted duplication of structures,
  then we could incorporate this new in-process structure directly into vmu.
  (closes issue #16271)
   Reported by: sohosys
   Patches: 
         20100108__issue16271.diff.txt uploaded by tilghman (license 14)
         20100108__issue16271__trunk.diff.txt uploaded by tilghman (license 14)
         20100108__issue16271__1.6.0.diff.txt uploaded by tilghman (license 14)
   Tested by: jsutton
........


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@240415 65c4cc65-6c06-0410-ace0-fbb531ad65f3
certified/1.8.6
Tilghman Lesher 16 years ago
parent 86c57df84e
commit 6bc1fc7240
1 changed files with 75 additions and 4 deletions
Show Stats Download Patch File Download Diff File

79
apps/app_voicemail.c
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@ -112,6 +112,7 @@ ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
#include "asterisk/utils.h"
#include "asterisk/stringfields.h"
#include "asterisk/smdi.h"
#include "asterisk/astobj2.h"
#include "asterisk/event.h"
#include "asterisk/taskprocessor.h"
@ -852,6 +853,56 @@ static int is_valid_dtmf(const char *key);
static void read_password_from_file(const char *secretfn, char *password, int passwordlen);
static int write_password_to_file(const char *secretfn, const char *password);
struct ao2_container *inprocess_container;
struct inprocess {
int count;
char *context;
char mailbox[0];
};
static int inprocess_hash_fn(const void *obj, const int flags)
{
const struct inprocess *i = obj;
return atoi(i->mailbox);
}
static int inprocess_cmp_fn(void *obj, void *arg, int flags)
{
struct inprocess *i = obj, *j = arg;
if (!strcmp(i->mailbox, j->mailbox)) {
return 0;
}
return !strcmp(i->context, j->context) ? CMP_MATCH : 0;
}
static int inprocess_count(const char *context, const char *mailbox, int delta)
{
struct inprocess *i, *arg = alloca(sizeof(*arg) + strlen(context) + strlen(mailbox) + 2);
arg->context = arg->mailbox + strlen(mailbox) + 1;
strcpy(arg->mailbox, mailbox); /* SAFE */
strcpy(arg->context, context); /* SAFE */
ao2_lock(inprocess_container);
if ((i = ao2_find(inprocess_container, &arg, 0))) {
int ret = ast_atomic_fetchadd_int(&i->count, delta);
ao2_unlock(inprocess_container);
ao2_ref(i, -1);
return ret + delta;
}
if (!(i = ao2_alloc(sizeof(*i) + strlen(context) + strlen(mailbox) + 2, NULL))) {
ao2_unlock(inprocess_container);
return 0;
}
i->context = i->mailbox + strlen(mailbox) + 1;
strcpy(i->mailbox, mailbox); /* SAFE */
strcpy(i->context, context); /* SAFE */
i->count = delta;
ao2_link(inprocess_container, i);
ao2_unlock(inprocess_container);
ao2_ref(i, -1);
return delta;
}
#if !(defined(ODBC_STORAGE) || defined(IMAP_STORAGE))
static int __has_voicemail(const char *context, const char *mailbox, const char *folder, int shortcircuit);
#endif
@ -4990,7 +5041,7 @@ static int copy_message(struct ast_channel *chan, struct ast_vm_user *vmu, int i
return ERROR_LOCK_PATH;
recipmsgnum = last_message_index(recip, todir) + 1;
if (recipmsgnum < recip->maxmsg) {
if (recipmsgnum < recip->maxmsg - (imbox ? 0 : inprocess_count(vmu->mailbox, vmu->context, 0))) {
make_file(topath, sizeof(topath), todir, recipmsgnum);
if (EXISTS(fromdir, msgnum, frompath, chan->language)) {
COPY(fromdir, msgnum, todir, recipmsgnum, recip->mailbox, recip->context, frompath, topath);
@ -5508,19 +5559,20 @@ static int leave_voicemail(struct ast_channel *chan, char *ext, struct leave_vm_
}
/* Check if we have exceeded maxmsg */
if (msgnum >= vmu->maxmsg) {
if (msgnum >= vmu->maxmsg - inprocess_count(vmu->mailbox, vmu->context, 0)) {
ast_log(AST_LOG_WARNING, "Unable to leave message since we will exceed the maximum number of messages allowed (%u > %u)\n", msgnum, vmu->maxmsg);
ast_play_and_wait(chan, "vm-mailboxfull");
ast_free(tmp);
return -1;
}
#else
if (count_messages(vmu, dir) >= vmu->maxmsg) {
if (count_messages(vmu, dir) >= vmu->maxmsg - inprocess_count(vmu->mailbox, vmu->context, +1)) {
res = ast_streamfile(chan, "vm-mailboxfull", chan->language);
if (!res)
res = ast_waitstream(chan, "");
ast_log(AST_LOG_WARNING, "No more messages possible\n");
pbx_builtin_setvar_helper(chan, "VMSTATUS", "FAILED");
inprocess_count(vmu->mailbox, vmu->context, -1);
goto leave_vm_out;
}
@ -5534,6 +5586,7 @@ static int leave_voicemail(struct ast_channel *chan, char *ext, struct leave_vm_
res = ast_waitstream(chan, "");
ast_log(AST_LOG_ERROR, "Unable to create message file: %s\n", strerror(errno));
pbx_builtin_setvar_helper(chan, "VMSTATUS", "FAILED");
inprocess_count(vmu->mailbox, vmu->context, -1);
goto leave_vm_out;
}
@ -5579,8 +5632,15 @@ static int leave_voicemail(struct ast_channel *chan, char *ext, struct leave_vm_
ast_callerid_merge(callerid, sizeof(callerid), S_OR(chan->cid.cid_name, NULL), S_OR(chan->cid.cid_num, NULL), "Unknown"),
date, (long) time(NULL),
category ? category : "");
} else
} else {
ast_log(AST_LOG_WARNING, "Error opening text file for output\n");
inprocess_count(vmu->mailbox, vmu->context, -1);
if (ast_check_realtime("voicemail_data")) {
ast_destroy_realtime("voicemail_data", "filename", tmptxtfile, SENTINEL);
}
res = ast_streamfile(chan, "vm-mailboxfull", chan->language);
goto leave_vm_out;
}
res = play_record_review(chan, NULL, tmptxtfile, vmu->maxsecs, fmt, 1, vmu, &duration, NULL, options->record_gain, vms, flag);
if (txt) {
@ -5594,6 +5654,7 @@ static int leave_voicemail(struct ast_channel *chan, char *ext, struct leave_vm_
if (ast_check_realtime("voicemail_data")) {
ast_destroy_realtime("voicemail_data", "filename", tmptxtfile, SENTINEL);
}
inprocess_count(vmu->mailbox, vmu->context, -1);
} else {
fprintf(txt, "duration=%d\n", duration);
fclose(txt);
@ -5602,10 +5663,12 @@ static int leave_voicemail(struct ast_channel *chan, char *ext, struct leave_vm_
/* Delete files */
ast_filedelete(tmptxtfile, NULL);
unlink(tmptxtfile);
inprocess_count(vmu->mailbox, vmu->context, -1);
} else if (ast_fileexists(tmptxtfile, NULL, NULL) <= 0) {
ast_debug(1, "The recorded media file is gone, so we should remove the .txt file too!\n");
unlink(tmptxtfile);
ast_unlock_path(dir);
inprocess_count(vmu->mailbox, vmu->context, -1);
if (ast_check_realtime("voicemail_data")) {
ast_destroy_realtime("voicemail_data", "filename", tmptxtfile, SENTINEL);
}
@ -5625,6 +5688,7 @@ static int leave_voicemail(struct ast_channel *chan, char *ext, struct leave_vm_
snprintf(txtfile, sizeof(txtfile), "%s.txt", fn);
ast_filerename(tmptxtfile, fn, NULL);
rename(tmptxtfile, txtfile);
inprocess_count(vmu->mailbox, vmu->context, -1);
/* Properly set permissions on voicemail text descriptor file.
Unfortunately mkstemp() makes this file 0600 on most unix systems. */
@ -5689,6 +5753,8 @@ static int leave_voicemail(struct ast_channel *chan, char *ext, struct leave_vm_
}
}
}
} else {
inprocess_count(vmu->mailbox, vmu->context, -1);
}
if (res == '0') {
goto transfer;
@ -11497,6 +11563,7 @@ static int unload_module(void)
res |= ast_manager_unregister("VoicemailUsersList");
ast_cli_unregister_multiple(cli_voicemail, ARRAY_LEN(cli_voicemail));
ast_uninstall_vm_functions();
ao2_ref(inprocess_container, -1);
if (poll_thread != AST_PTHREADT_NULL)
stop_poll_thread();
@ -11516,6 +11583,10 @@ static int load_module(void)
my_umask = umask(0);
umask(my_umask);
if (!(inprocess_container = ao2_container_alloc(573, inprocess_hash_fn, inprocess_cmp_fn))) {
return AST_MODULE_LOAD_DECLINE;
}
/* compute the location of the voicemail spool directory */
snprintf(VM_SPOOL_DIR, sizeof(VM_SPOOL_DIR), "%s/voicemail/", ast_config_AST_SPOOL_DIR);

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