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It turns out that searching on the forwarding station isn't very useful for

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most people, so pull in the changes that allow searching for SMDI messages
based on other components of the SMDI message.  Also, update the SMDI
documentation.


git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.4@120671 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Russell Bryant
2008-06-05 16:38:52 +00:00
parent d600851f16
commit dae683eb3f
2 changed files with 204 additions and 34 deletions
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90
res/res_smdi.c
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@@ -369,8 +369,13 @@ static void *smdi_msg_pop(struct ast_smdi_interface *iface, enum smdi_message_ty
return msg;
}
enum {
OPT_SEARCH_TERMINAL = (1 << 0),
OPT_SEARCH_NUMBER = (1 << 1),
};
static void *smdi_msg_find(struct ast_smdi_interface *iface,
enum smdi_message_type type, const char *station)
enum smdi_message_type type, const char *search_key, struct ast_flags options)
{
void *msg = NULL;
@@ -378,10 +383,35 @@ static void *smdi_msg_find(struct ast_smdi_interface *iface,
switch (type) {
case SMDI_MD:
msg = ASTOBJ_CONTAINER_FIND(&iface->md_q, station);
if (ast_test_flag(&options, OPT_SEARCH_TERMINAL)) {
struct ast_smdi_md_message *md_msg = NULL;
/* Searching by the message desk terminal */
ASTOBJ_CONTAINER_TRAVERSE(&iface->md_q, !md_msg, do {
if (!strcasecmp(iterator->mesg_desk_term, search_key))
md_msg = ASTOBJ_REF(iterator);
} while (0); );
msg = md_msg;
} else if (ast_test_flag(&options, OPT_SEARCH_NUMBER)) {
struct ast_smdi_md_message *md_msg = NULL;
/* Searching by the message desk number */
ASTOBJ_CONTAINER_TRAVERSE(&iface->md_q, !md_msg, do {
if (!strcasecmp(iterator->mesg_desk_num, search_key))
md_msg = ASTOBJ_REF(iterator);
} while (0); );
msg = md_msg;
} else {
/* Searching by the forwarding station */
msg = ASTOBJ_CONTAINER_FIND(&iface->md_q, search_key);
}
break;
case SMDI_MWI:
msg = ASTOBJ_CONTAINER_FIND(&iface->mwi_q, station);
msg = ASTOBJ_CONTAINER_FIND(&iface->mwi_q, search_key);
break;
}
@@ -389,7 +419,7 @@ static void *smdi_msg_find(struct ast_smdi_interface *iface,
}
static void *smdi_message_wait(struct ast_smdi_interface *iface, int timeout,
enum smdi_message_type type, const char *station)
enum smdi_message_type type, const char *search_key, struct ast_flags options)
{
struct timeval start;
long diff = 0;
@@ -415,7 +445,7 @@ static void *smdi_message_wait(struct ast_smdi_interface *iface, int timeout,
lock_msg_q(iface, type);
if ((msg = smdi_msg_find(iface, type, station))) {
if ((msg = smdi_msg_find(iface, type, search_key, options))) {
unlock_msg_q(iface, type);
return msg;
}
@@ -429,7 +459,7 @@ static void *smdi_message_wait(struct ast_smdi_interface *iface, int timeout,
ast_cond_timedwait(cond, lock, &ts);
if ((msg = smdi_msg_find(iface, type, station))) {
if ((msg = smdi_msg_find(iface, type, search_key, options))) {
unlock_msg_q(iface, type);
return msg;
}
@@ -450,7 +480,8 @@ struct ast_smdi_md_message *ast_smdi_md_message_pop(struct ast_smdi_interface *i
struct ast_smdi_md_message *ast_smdi_md_message_wait(struct ast_smdi_interface *iface, int timeout)
{
return smdi_message_wait(iface, timeout, SMDI_MD, NULL);
struct ast_flags options = { 0 };
return smdi_message_wait(iface, timeout, SMDI_MD, NULL, options);
}
struct ast_smdi_mwi_message *ast_smdi_mwi_message_pop(struct ast_smdi_interface *iface)
@@ -460,13 +491,15 @@ struct ast_smdi_mwi_message *ast_smdi_mwi_message_pop(struct ast_smdi_interface
struct ast_smdi_mwi_message *ast_smdi_mwi_message_wait(struct ast_smdi_interface *iface, int timeout)
{
return smdi_message_wait(iface, timeout, SMDI_MWI, NULL);
struct ast_flags options = { 0 };
return smdi_message_wait(iface, timeout, SMDI_MWI, NULL, options);
}
struct ast_smdi_mwi_message *ast_smdi_mwi_message_wait_station(struct ast_smdi_interface *iface, int timeout,
const char *station)
{
return smdi_message_wait(iface, timeout, SMDI_MWI, station);
struct ast_flags options = { 0 };
return smdi_message_wait(iface, timeout, SMDI_MWI, station, options);
}
struct ast_smdi_interface *ast_smdi_interface_find(const char *iface_name)
@@ -1059,14 +1092,21 @@ static int smdi_msg_id;
/*! In milliseconds */
#define SMDI_RETRIEVE_TIMEOUT_DEFAULT 3000
AST_APP_OPTIONS(smdi_msg_ret_options, BEGIN_OPTIONS
AST_APP_OPTION('t', OPT_SEARCH_TERMINAL),
AST_APP_OPTION('n', OPT_SEARCH_NUMBER),
END_OPTIONS );
static int smdi_msg_retrieve_read(struct ast_channel *chan, char *cmd, char *data, char *buf, size_t len)
{
struct ast_module_user *u;
AST_DECLARE_APP_ARGS(args,
AST_APP_ARG(port);
AST_APP_ARG(station);
AST_APP_ARG(search_key);
AST_APP_ARG(timeout);
AST_APP_ARG(options);
);
struct ast_flags options = { 0 };
unsigned int timeout = SMDI_RETRIEVE_TIMEOUT_DEFAULT;
int res = -1;
char *parse = NULL;
@@ -1092,7 +1132,7 @@ static int smdi_msg_retrieve_read(struct ast_channel *chan, char *cmd, char *dat
parse = ast_strdupa(data);
AST_STANDARD_APP_ARGS(args, parse);
if (ast_strlen_zero(args.port) || ast_strlen_zero(args.station)) {
if (ast_strlen_zero(args.port) || ast_strlen_zero(args.search_key)) {
ast_log(LOG_ERROR, "Invalid arguments provided to SMDI_MSG_RETRIEVE\n");
goto return_error;
}
@@ -1102,6 +1142,10 @@ static int smdi_msg_retrieve_read(struct ast_channel *chan, char *cmd, char *dat
goto return_error;
}
if (!ast_strlen_zero(args.options)) {
ast_app_parse_options(smdi_msg_ret_options, &options, NULL, args.options);
}
if (!ast_strlen_zero(args.timeout)) {
if (sscanf(args.timeout, "%u", &timeout) != 1) {
ast_log(LOG_ERROR, "'%s' is not a valid timeout\n", args.timeout);
@@ -1109,9 +1153,9 @@ static int smdi_msg_retrieve_read(struct ast_channel *chan, char *cmd, char *dat
}
}
if (!(md_msg = smdi_message_wait(iface, timeout, SMDI_MD, args.station))) {
ast_log(LOG_WARNING, "No SMDI message retrieved for station '%s' after "
"waiting %u ms.\n", args.station, timeout);
if (!(md_msg = smdi_message_wait(iface, timeout, SMDI_MD, args.search_key, options))) {
ast_log(LOG_WARNING, "No SMDI message retrieved for search key '%s' after "
"waiting %u ms.\n", args.search_key, timeout);
goto return_error;
}
@@ -1200,7 +1244,11 @@ static int smdi_msg_read(struct ast_channel *chan, char *cmd, char *data, char *
smd = datastore->data;
if (!strcasecmp(args.component, "station")) {
if (!strcasecmp(args.component, "number")) {
ast_copy_string(buf, smd->md_msg->mesg_desk_num, len);
} else if (!strcasecmp(args.component, "terminal")) {
ast_copy_string(buf, smd->md_msg->mesg_desk_term, len);
} else if (!strcasecmp(args.component, "station")) {
ast_copy_string(buf, smd->md_msg->fwd_st, len);
} else if (!strcasecmp(args.component, "callerid")) {
ast_copy_string(buf, smd->md_msg->calling_st, len);
@@ -1223,7 +1271,7 @@ return_error:
static struct ast_custom_function smdi_msg_retrieve_function = {
.name = "SMDI_MSG_RETRIEVE",
.synopsis = "Retrieve an SMDI message.",
.syntax = "SMDI_MSG_RETRIEVE(<smdi port>,<station>[,timeout])",
.syntax = "SMDI_MSG_RETRIEVE(<smdi port>,<search key>[,timeout[,options]])",
.desc =
" This function is used to retrieve an incoming SMDI message. It returns\n"
"an ID which can be used with the SMDI_MSG() function to access details of\n"
@@ -1232,6 +1280,14 @@ static struct ast_custom_function smdi_msg_retrieve_function = {
"the global SMDI message queue, and can not be accessed by any other Asterisk\n"
"channels. The timeout for this function is optional, and the default is\n"
"3 seconds. When providing a timeout, it should be in milliseconds.\n"
" The default search is done on the forwarding station ID. However, if\n"
"you set one of the search key options in the options field, you can change\n"
"this behavior.\n"
" Options:\n"
" t - Instead of searching on the forwarding station, search on the message\n"
" desk terminal.\n"
" n - Instead of searching on the forwarding station, search on the message\n"
" desk number.\n"
"",
.read = smdi_msg_retrieve_read,
};
@@ -1245,6 +1301,8 @@ static struct ast_custom_function smdi_msg_function = {
"pulled from the incoming SMDI message queue using the SMDI_MSG_RETRIEVE()\n"
"function.\n"
" Valid message components are:\n"
" number - The message desk number\n"
" terminal - The message desk terminal\n"
" station - The forwarding station\n"
" callerid - The callerID of the calling party that was forwarded\n"
" type - The call type. The value here is the exact character\n"