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Clean up ast_device_state. It's pretty now! 

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@53113 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Joshua Colp 2007-02-02 00:58:09 +00:00
parent 8a889843ba
commit 880e319b7a
1 changed files with 18 additions and 24 deletions
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42
main/devicestate.c
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@ -226,10 +226,8 @@ int ast_device_state(const char *device)
buf = ast_strdupa(device);
tech = strsep(&buf, "/");
number = buf;
if (!number) {
provider = strsep(&tech, ":");
if (!provider)
if (!(number = buf)) {
if (!(provider = strsep(&tech, ":")))
return AST_DEVICE_INVALID;
/* We have a provider */
number = tech;
@ -241,29 +239,27 @@ int ast_device_state(const char *device)
ast_log(LOG_DEBUG, "Checking if I can find provider for \"%s\" - number: %s\n", provider, number);
return getproviderstate(provider, number);
}
if (option_debug > 3)
ast_log(LOG_DEBUG, "No provider found, checking channel drivers for %s - %s\n", tech, number);
chan_tech = ast_get_channel_tech(tech);
if (!chan_tech)
if (!(chan_tech = ast_get_channel_tech(tech)))
return AST_DEVICE_INVALID;
if (!chan_tech->devicestate) /* Does the channel driver support device state notification? */
return ast_parse_device_state(device); /* No, try the generic function */
else {
res = chan_tech->devicestate(number); /* Ask the channel driver for device state */
if (res == AST_DEVICE_UNKNOWN) {
res = ast_parse_device_state(device);
/* at this point we know the device exists, but the channel driver
could not give us a state; if there is no channel state available,
it must be 'not in use'
*/
if (res == AST_DEVICE_UNKNOWN)
res = AST_DEVICE_NOT_INUSE;
return res;
} else
return res;
}
if (!(chan_tech->devicestate)) /* Does the channel driver support device state notification? */
return ast_parse_device_state(device); /* No, try the generic function */
res = chan_tech->devicestate(number);
if (res != AST_DEVICE_UNKNOWN)
return res;
res = ast_parse_device_state(device);
if (res == AST_DEVICE_UNKNOWN)
return AST_DEVICE_NOT_INUSE;
return res;
}
/*! \brief Add device state provider */
@ -389,8 +385,6 @@ static int __ast_device_state_changed_literal(char *buf)
if ((tmp = strrchr(device, '-')))
*tmp = '\0';
if (change_thread == AST_PTHREADT_NULL || !(change = ast_calloc(1, sizeof(*change) + strlen(device)))) {
/* we could not allocate a change struct, or */
/* there is no background thread, so process the change now */