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Version 0.3.0 from FTP

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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@548 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Mark Spencer
2002-11-11 18:21:17 +00:00
parent 77a1b3573d
commit 7bcf9080c5
1 changed files with 99 additions and 18 deletions
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117
channels/chan_modem.c
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@@ -59,6 +59,12 @@ static char initstr[AST_MAX_INIT_STR] = "ATE0Q0";
/* Default MSN */
static char msn[AST_MAX_EXTENSION]="";
/* Default Listen */
static char incomingmsn[AST_MAX_EXTENSION]="";
/* Default group */
static unsigned int cur_group = 0;
static int usecnt =0;
static int baudrate = 115200;
@@ -91,8 +97,8 @@ static int modem_digit(struct ast_channel *ast, char digit)
p = ast->pvt->pvt;
if (p->mc->dialdigit)
return p->mc->dialdigit(p, digit);
else ast_log(LOG_DEBUG, "Channel %s lacks digit dialing\n", ast->name);
return 0;
ast_log(LOG_DEBUG, "Channel %s lacks digit dialing\n", ast->name);
return -1;
}
static struct ast_modem_driver *drivers = NULL;
@@ -162,13 +168,14 @@ int ast_unregister_modem_driver(struct ast_modem_driver *mc)
static int modem_call(struct ast_channel *ast, char *idest, int timeout)
{
static int modem_hangup(struct ast_channel *ast);
struct ast_modem_pvt *p;
int ms = timeout;
char rdest[80], *where, dstr[100];
char *stringp=NULL;
strncpy(rdest, idest, sizeof(rdest)-1);
strtok(rdest, ":");
where = strtok(NULL, ":");
stringp=rdest;
strsep(&stringp, ":");
where = strsep(&stringp, ":");
if (!where) {
ast_log(LOG_WARNING, "Destination %s requres a real destination (device:destination)\n", idest);
return -1;
@@ -473,6 +480,12 @@ static int modem_write(struct ast_channel *ast, struct ast_frame *frame)
long flags;
struct ast_modem_pvt *p = ast->pvt->pvt;
/* Modems tend to get upset when they receive data whilst in
* command mode. This makes esp. dial commands short lived.
* Pauline Middelink - 2002-09-24 */
if (ast->_state != AST_STATE_UP)
return 0;
/* Temporarily make non-blocking */
flags = fcntl(ast->fds[0], F_GETFL);
fcntl(ast->fds[0], F_SETFL, flags | O_NONBLOCK);
@@ -692,6 +705,7 @@ static struct ast_modem_pvt *mkif(char *iface)
}
strncpy(tmp->language, language, sizeof(tmp->language)-1);
strncpy(tmp->msn, msn, sizeof(tmp->msn)-1);
strncpy(tmp->incomingmsn, incomingmsn, sizeof(tmp->incomingmsn)-1);
strncpy(tmp->dev, iface, sizeof(tmp->dev)-1);
/* Maybe in the future we want to allow variable
serial settings */
@@ -709,6 +723,7 @@ static struct ast_modem_pvt *mkif(char *iface)
tmp->stripmsd = stripmsd;
tmp->dialtype = dialtype;
tmp->mode = gmode;
tmp->group = cur_group;
memset(tmp->cid, 0, sizeof(tmp->cid));
strncpy(tmp->context, context, sizeof(tmp->context)-1);
strncpy(tmp->initstr, initstr, sizeof(tmp->initstr)-1);
@@ -730,9 +745,22 @@ static struct ast_channel *modem_request(char *type, int format, void *data)
struct ast_modem_pvt *p;
struct ast_channel *tmp = NULL;
char dev[80];
unsigned int group = 0;
char *stringp=NULL;
strncpy(dev, (char *)data, sizeof(dev)-1);
strtok(dev, ":");
stringp=dev;
strsep(&stringp, ":");
oldformat = format;
if (dev[0]=='g' && isdigit(dev[1])) {
/* Retrieve the group number */
if (sscanf(dev+1, "%u", &group) < 1) {
ast_log(LOG_WARNING, "Unable to determine group from [%s]\n", (char *)data);
return NULL;
}
group = 1 << group;
}
/* Search for an unowned channel */
if (ast_pthread_mutex_lock(&iflock)) {
ast_log(LOG_ERROR, "Unable to lock interface list???\n");
@@ -740,17 +768,31 @@ static struct ast_channel *modem_request(char *type, int format, void *data)
}
p = iflist;
while(p) {
if (!strcmp(dev, p->dev + 5)) {
if (p->mc->formats & format) {
if (!p->owner) {
tmp = ast_modem_new(p, AST_STATE_DOWN);
restart_monitor();
break;
} else
ast_log(LOG_WARNING, "Device '%s' is busy\n", p->dev);
} else
ast_log(LOG_WARNING, "Asked for a format %d line on %s\n", format, p->dev);
break;
if (group) {
/* if it belongs to the proper group, and the format matches
* and it is not in use, we found a candidate! */
if (p->group & group &&
p->mc->formats & format &&
!p->owner) {
/* XXX Not quite sure that not having an owner is
* sufficient evidence of beeing a free device XXX */
tmp = ast_modem_new(p, AST_STATE_DOWN);
restart_monitor();
break;
}
} else {
if (!strcmp(dev, p->dev + 5)) {
if (p->mc->formats & format) {
if (!p->owner) {
tmp = ast_modem_new(p, AST_STATE_DOWN);
restart_monitor();
break;
} else
ast_log(LOG_WARNING, "Device '%s' is busy\n", p->dev);
} else
ast_log(LOG_WARNING, "Asked for a format %d line on %s\n", format, p->dev);
break;
}
}
p = p->next;
}
@@ -761,6 +803,42 @@ static struct ast_channel *modem_request(char *type, int format, void *data)
return tmp;
}
static unsigned int get_group(char *s)
{
char *piece;
int start, finish,x;
unsigned int group = 0;
char *copy = strdupa(s);
char *stringp=NULL;
if (!copy) {
ast_log(LOG_ERROR, "Out of memory\n");
return 0;
}
stringp=copy;
piece = strsep(&stringp, ",");
while(piece) {
if (sscanf(piece, "%d-%d", &start, &finish) == 2) {
/* Range */
} else if (sscanf(piece, "%d", &start)) {
/* Just one */
finish = start;
} else {
ast_log(LOG_ERROR, "Syntax error parsing '%s' at '%s'. Using '0'\n", s,piece);
return 0;
}
piece = strsep(&stringp, ",");
for (x=start;x<=finish;x++) {
if ((x > 31) || (x < 0)) {
ast_log(LOG_WARNING, "Ignoring invalid group %d\n", x);
break;
}
group |= (1 << x);
}
}
return group;
}
int load_module()
{
struct ast_config *cfg;
@@ -793,7 +871,6 @@ int load_module()
ast_destroy(cfg);
ast_pthread_mutex_unlock(&iflock);
unload_module();
ast_pthread_mutex_unlock(&iflock);
return -1;
}
} else if (!strcasecmp(v->name, "driver")) {
@@ -829,8 +906,12 @@ int load_module()
strncpy(context, v->value, sizeof(context)-1);
} else if (!strcasecmp(v->name, "msn")) {
strncpy(msn, v->value, sizeof(msn)-1);
} else if (!strcasecmp(v->name, "incomingmsn")) {
strncpy(incomingmsn, v->value, sizeof(incomingmsn)-1);
} else if (!strcasecmp(v->name, "language")) {
strncpy(language, v->value, sizeof(language)-1);
} else if (!strcasecmp(v->name, "group")) {
cur_group = get_group(v->value);
}
v = v->next;
}