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Allow the REALTIME() function to report errors back to the caller.

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Also, do more error checking on the arguments specified to the REALTIME()
function and clarify the documentation.  While I was editing the file, a
few coding guidelines fixups, as well.

Review: https://reviewboard.asterisk.org/r/2031/


git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.8@369937 65c4cc65-6c06-0410-ace0-fbb531ad65f3
changes/98/198/1
Tilghman Lesher 13 years ago
parent 913225a79a
commit be2a4c0d0d
1 changed files with 34 additions and 27 deletions
Show Stats Download Patch File Download Diff File

61
funcs/func_realtime.c
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@ -2,10 +2,10 @@
* Asterisk -- An open source telephony toolkit.
*
* Copyright (C) 2005-2006, BJ Weschke. All rights reserved.
*
*
* BJ Weschke <bweschke@btwtech.com>
*
* This code is released by the author with no restrictions on usage.
*
* This code is released by the author with no restrictions on usage.
*
* See http://www.asterisk.org for more information about
* the Asterisk project. Please do not directly contact
@ -22,9 +22,9 @@
/*! \file
*
* \brief REALTIME dialplan function
*
*
* \author BJ Weschke <bweschke@btwtech.com>
*
*
* \ingroup functions
*/
@ -49,7 +49,7 @@ ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
<syntax>
<parameter name="family" required="true" />
<parameter name="fieldmatch" required="true" />
<parameter name="value" />
<parameter name="matchvalue" />
<parameter name="delim1|field">
<para>Use <replaceable>delim1</replaceable> with <replaceable>delim2</replaceable> on
read and <replaceable>field</replaceable> without <replaceable>delim2</replaceable> on
@ -63,11 +63,11 @@ ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
</syntax>
<description>
<para>This function will read or write values from/to a RealTime repository.
REALTIME(....) will read names/values from the repository, and
REALTIME(....) will read names/values from the repository, and
REALTIME(....)= will write a new value/field to the repository. On a
read, this function returns a delimited text string. The name/value
pairs are delimited by <replaceable>delim1</replaceable>, and the name and value are delimited
between each other with delim2.
between each other with delim2.
If there is no match, NULL will be returned by the function.
On a write, this function will always return NULL.</para>
</description>
@ -108,7 +108,7 @@ ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
<syntax>
<parameter name="family" required="true" />
<parameter name="fieldmatch" required="true" />
<parameter name="value" />
<parameter name="matchvalue" />
<parameter name="delim1" />
<parameter name="delim2" />
</syntax>
@ -130,13 +130,13 @@ ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
<syntax>
<parameter name="family" required="true" />
<parameter name="fieldmatch" required="true" />
<parameter name="value" required="true" />
<parameter name="matchvalue" required="true" />
<parameter name="fieldname" required="true" />
</syntax>
<description>
<para>This function retrieves a single item, <replaceable>fieldname</replaceable>
from the RT engine, where <replaceable>fieldmatch</replaceable> contains the value
<replaceable>value</replaceable>. When written to, the REALTIME_FIELD() function
<replaceable>matchvalue</replaceable>. When written to, the REALTIME_FIELD() function
performs identically to the REALTIME() function.</para>
</description>
<see-also>
@ -153,12 +153,12 @@ ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
<syntax>
<parameter name="family" required="true" />
<parameter name="fieldmatch" required="true" />
<parameter name="value" required="true" />
<parameter name="matchvalue" required="true" />
</syntax>
<description>
<para>This function retrieves a single record from the RT engine, where
<replaceable>fieldmatch</replaceable> contains the value
<replaceable>value</replaceable> and formats the output suitably, such that
<replaceable>matchvalue</replaceable> and formats the output suitably, such that
it can be assigned to the HASH() function. The HASH() function then provides
a suitable method for retrieving each field value of the record.</para>
</description>
@ -175,7 +175,7 @@ AST_THREADSTORAGE(buf1);
AST_THREADSTORAGE(buf2);
AST_THREADSTORAGE(buf3);
static int function_realtime_read(struct ast_channel *chan, const char *cmd, char *data, char *buf, size_t len)
static int function_realtime_read(struct ast_channel *chan, const char *cmd, char *data, char *buf, size_t len)
{
struct ast_variable *var, *head;
struct ast_str *out;
@ -190,7 +190,7 @@ static int function_realtime_read(struct ast_channel *chan, const char *cmd, cha
);
if (ast_strlen_zero(data)) {
ast_log(LOG_WARNING, "Syntax: REALTIME(family,fieldmatch[,value[,delim1[,delim2]]]) - missing argument!\n");
ast_log(LOG_WARNING, "Syntax: REALTIME(family,fieldmatch[,matchvalue[,delim1[,delim2]]]) - missing argument!\n");
return -1;
}
@ -243,28 +243,35 @@ static int function_realtime_write(struct ast_channel *chan, const char *cmd, ch
);
if (ast_strlen_zero(data)) {
ast_log(LOG_WARNING, "Syntax: %s(family,fieldmatch,value,newcol) - missing argument!\n", cmd);
ast_log(LOG_WARNING, "Syntax: %s(family,fieldmatch,matchvalue,updatecol) - missing argument!\n", cmd);
return -1;
}
if (chan)
ast_autoservice_start(chan);
AST_STANDARD_APP_ARGS(args, data);
if (ast_strlen_zero(args.fieldmatch) || ast_strlen_zero(args.field)) {
ast_log(LOG_WARNING, "Syntax: %s(family,fieldmatch,matchvalue,updatecol) - missing argument!\n", cmd);
return -1;
}
if (chan) {
ast_autoservice_start(chan);
}
res = ast_update_realtime(args.family, args.fieldmatch, args.value, args.field, (char *)value, SENTINEL);
if (res < 0) {
ast_log(LOG_WARNING, "Failed to update. Check the debug log for possible data repository related entries.\n");
}
if (chan)
if (chan) {
ast_autoservice_stop(chan);
}
return 0;
return res;
}
static int realtimefield_read(struct ast_channel *chan, const char *cmd, char *data, char *buf, size_t len)
static int realtimefield_read(struct ast_channel *chan, const char *cmd, char *data, char *buf, size_t len)
{
struct ast_variable *var, *head;
struct ast_str *escapebuf = ast_str_thread_get(&buf1, 16);
@ -286,14 +293,14 @@ static int realtimefield_read(struct ast_channel *chan, const char *cmd, char *d
}
if (ast_strlen_zero(data)) {
ast_log(LOG_WARNING, "Syntax: %s(family,fieldmatch,value%s) - missing argument!\n", cmd, which == rtfield ? ",fieldname" : "");
ast_log(LOG_WARNING, "Syntax: %s(family,fieldmatch,matchvalue%s) - missing argument!\n", cmd, which == rtfield ? ",fieldname" : "");
return -1;
}
AST_STANDARD_APP_ARGS(args, data);
if ((which == rtfield && args.argc != 4) || (which == rthash && args.argc != 3)) {
ast_log(LOG_WARNING, "Syntax: %s(family,fieldmatch,value%s) - missing argument!\n", cmd, which == rtfield ? ",fieldname" : "");
ast_log(LOG_WARNING, "Syntax: %s(family,fieldmatch,matchvalue%s) - missing argument!\n", cmd, which == rtfield ? ",fieldname" : "");
return -1;
}
@ -366,7 +373,7 @@ static int function_realtime_store(struct ast_channel *chan, const char *cmd, ch
AST_STANDARD_APP_ARGS(a, data);
AST_STANDARD_APP_ARGS(v, valcopy);
res = ast_store_realtime(a.family,
res = ast_store_realtime(a.family,
a.f[0], v.v[0], a.f[1], v.v[1], a.f[2], v.v[2], a.f[3], v.v[3], a.f[4], v.v[4],
a.f[5], v.v[5], a.f[6], v.v[6], a.f[7], v.v[7], a.f[8], v.v[8], a.f[9], v.v[9],
a.f[10], v.v[10], a.f[11], v.v[11], a.f[12], v.v[12], a.f[13], v.v[13], a.f[14], v.v[14],
@ -388,7 +395,7 @@ static int function_realtime_store(struct ast_channel *chan, const char *cmd, ch
return 0;
}
static int function_realtime_readdestroy(struct ast_channel *chan, const char *cmd, char *data, char *buf, size_t len)
static int function_realtime_readdestroy(struct ast_channel *chan, const char *cmd, char *data, char *buf, size_t len)
{
struct ast_variable *var, *head;
struct ast_str *out;
@ -403,7 +410,7 @@ static int function_realtime_readdestroy(struct ast_channel *chan, const char *c
);
if (ast_strlen_zero(data)) {
ast_log(LOG_WARNING, "Syntax: REALTIME_DESTROY(family,fieldmatch[,value[,delim1[,delim2]]]) - missing argument!\n");
ast_log(LOG_WARNING, "Syntax: REALTIME_DESTROY(family,fieldmatch[,matchvalue[,delim1[,delim2]]]) - missing argument!\n");
return -1;
}

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