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func_channel: Add lastcontext and lastexten.

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Adds the lastcontext and lastexten channel fields to allow users
to access previous dialplan execution locations.

ASTERISK-29840 #close

Change-Id: Ib455fe300cc8e9a127686896ee2d0bd11e900307
This commit is contained in:
Naveen Albert
2022-01-06 13:57:01 +00:00
committed by Kevin Harwell
parent 3a3b8fbd9f
commit 27fb4fd5bc
4 changed files with 34 additions and 0 deletions
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18
main/channel_internal_api.c
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@@ -206,6 +206,8 @@ struct ast_channel {
char context[AST_MAX_CONTEXT]; /*!< Dialplan: Current extension context */
char exten[AST_MAX_EXTENSION]; /*!< Dialplan: Current extension number */
char lastcontext[AST_MAX_CONTEXT]; /*!< Dialplan: Previous extension context */
char lastexten[AST_MAX_EXTENSION]; /*!< Dialplan: Previous extension number */
char macrocontext[AST_MAX_CONTEXT]; /*!< Macro: Current non-macro context. See app_macro.c */
char macroexten[AST_MAX_EXTENSION]; /*!< Macro: Current non-macro extension. See app_macro.c */
char unbridged; /*!< non-zero if the bridge core needs to re-evaluate the current
@@ -345,8 +347,16 @@ const char *ast_channel_context(const struct ast_channel *chan)
{
return chan->context;
}
const char *ast_channel_lastcontext(const struct ast_channel *chan)
{
return chan->lastcontext;
}
void ast_channel_context_set(struct ast_channel *chan, const char *value)
{
if (!*chan->lastcontext || strcmp(value, chan->context)) {
/* only copy to last context when it changes, unless it's empty to begin with */
ast_copy_string(chan->lastcontext, chan->context, sizeof(chan->lastcontext));
}
ast_copy_string(chan->context, value, sizeof(chan->context));
ast_channel_snapshot_invalidate_segment(chan, AST_CHANNEL_SNAPSHOT_INVALIDATE_DIALPLAN);
}
@@ -354,8 +364,16 @@ const char *ast_channel_exten(const struct ast_channel *chan)
{
return chan->exten;
}
const char *ast_channel_lastexten(const struct ast_channel *chan)
{
return chan->lastexten;
}
void ast_channel_exten_set(struct ast_channel *chan, const char *value)
{
if (!*chan->lastexten || strcmp(value, chan->exten)) {
/* only copy to last exten when it changes, unless it's empty to begin with */
ast_copy_string(chan->lastexten, chan->exten, sizeof(chan->lastexten));
}
ast_copy_string(chan->exten, value, sizeof(chan->exten));
ast_channel_snapshot_invalidate_segment(chan, AST_CHANNEL_SNAPSHOT_INVALIDATE_DIALPLAN);
}