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formatting cleanups (bug #4786, with minor mods)

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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@6193 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Kevin P. Fleming
2005-07-25 18:09:04 +00:00
parent 1153f74259
commit a953eb06c3
1 changed files with 67 additions and 45 deletions
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108
channels/chan_local.c
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@@ -3,9 +3,9 @@
* *
* Local Proxy Channel * Local Proxy Channel
* *
* Copyright (C) 1999, Mark Spencer * Copyright (C) 1999-2005, Digium, Inc.
* *
* Mark Spencer <markster@linux-support.net> * Mark Spencer <markster@digium.com>
* *
* This program is free software, distributed under the terms of * This program is free software, distributed under the terms of
* the GNU General Public License * the GNU General Public License
@@ -69,6 +69,7 @@ static int local_indicate(struct ast_channel *ast, int condition);
static int local_fixup(struct ast_channel *oldchan, struct ast_channel *newchan); static int local_fixup(struct ast_channel *oldchan, struct ast_channel *newchan);
static int local_sendhtml(struct ast_channel *ast, int subclass, const char *data, int datalen); static int local_sendhtml(struct ast_channel *ast, int subclass, const char *data, int datalen);
/* PBX interface structure for channel registration */
static const struct ast_channel_tech local_tech = { static const struct ast_channel_tech local_tech = {
.type = type, .type = type,
.description = tdesc, .description = tdesc,
@@ -95,7 +96,7 @@ static struct local_pvt {
int cancelqueue; /* Cancel queue */ int cancelqueue; /* Cancel queue */
int alreadymasqed; /* Already masqueraded */ int alreadymasqed; /* Already masqueraded */
int launchedpbx; /* Did we launch the PBX */ int launchedpbx; /* Did we launch the PBX */
int nooptimization; int nooptimization; /* Don't leave masq state */
struct ast_channel *owner; /* Master Channel */ struct ast_channel *owner; /* Master Channel */
struct ast_channel *chan; /* Outbound channel */ struct ast_channel *chan; /* Outbound channel */
struct local_pvt *next; /* Next entity */ struct local_pvt *next; /* Next entity */
@@ -154,6 +155,7 @@ static int local_answer(struct ast_channel *ast)
struct local_pvt *p = ast->tech_pvt; struct local_pvt *p = ast->tech_pvt;
int isoutbound; int isoutbound;
int res = -1; int res = -1;
ast_mutex_lock(&p->lock); ast_mutex_lock(&p->lock);
isoutbound = IS_OUTBOUND(ast, p); isoutbound = IS_OUTBOUND(ast, p);
if (isoutbound) { if (isoutbound) {
@@ -199,6 +201,7 @@ static void check_bridge(struct local_pvt *p, int isoutbound)
static struct ast_frame *local_read(struct ast_channel *ast) static struct ast_frame *local_read(struct ast_channel *ast)
{ {
static struct ast_frame null = { AST_FRAME_NULL, }; static struct ast_frame null = { AST_FRAME_NULL, };
return &null; return &null;
} }
@@ -208,7 +211,6 @@ static int local_write(struct ast_channel *ast, struct ast_frame *f)
int res = -1; int res = -1;
int isoutbound; int isoutbound;
/* Just queue for delivery to the other side */ /* Just queue for delivery to the other side */
ast_mutex_lock(&p->lock); ast_mutex_lock(&p->lock);
isoutbound = IS_OUTBOUND(ast, p); isoutbound = IS_OUTBOUND(ast, p);
@@ -228,8 +230,9 @@ static int local_fixup(struct ast_channel *oldchan, struct ast_channel *newchan)
{ {
struct local_pvt *p = newchan->tech_pvt; struct local_pvt *p = newchan->tech_pvt;
ast_mutex_lock(&p->lock); ast_mutex_lock(&p->lock);
if ((p->owner != oldchan) && (p->chan != oldchan)) { if ((p->owner != oldchan) && (p->chan != oldchan)) {
ast_log(LOG_WARNING, "old channel wasn't %p but was %p/%p\n", oldchan, p->owner, p->chan); ast_log(LOG_WARNING, "Old channel wasn't %p but was %p/%p\n", oldchan, p->owner, p->chan);
ast_mutex_unlock(&p->lock); ast_mutex_unlock(&p->lock);
return -1; return -1;
} }
@@ -247,6 +250,7 @@ static int local_indicate(struct ast_channel *ast, int condition)
int res = -1; int res = -1;
struct ast_frame f = { AST_FRAME_CONTROL, }; struct ast_frame f = { AST_FRAME_CONTROL, };
int isoutbound; int isoutbound;
/* Queue up a frame representing the indication as a control frame */ /* Queue up a frame representing the indication as a control frame */
ast_mutex_lock(&p->lock); ast_mutex_lock(&p->lock);
isoutbound = IS_OUTBOUND(ast, p); isoutbound = IS_OUTBOUND(ast, p);
@@ -262,6 +266,7 @@ static int local_digit(struct ast_channel *ast, char digit)
int res = -1; int res = -1;
struct ast_frame f = { AST_FRAME_DTMF, }; struct ast_frame f = { AST_FRAME_DTMF, };
int isoutbound; int isoutbound;
ast_mutex_lock(&p->lock); ast_mutex_lock(&p->lock);
isoutbound = IS_OUTBOUND(ast, p); isoutbound = IS_OUTBOUND(ast, p);
f.subclass = digit; f.subclass = digit;
@@ -276,6 +281,7 @@ static int local_sendhtml(struct ast_channel *ast, int subclass, const char *dat
int res = -1; int res = -1;
struct ast_frame f = { AST_FRAME_HTML, }; struct ast_frame f = { AST_FRAME_HTML, };
int isoutbound; int isoutbound;
ast_mutex_lock(&p->lock); ast_mutex_lock(&p->lock);
isoutbound = IS_OUTBOUND(ast, p); isoutbound = IS_OUTBOUND(ast, p);
f.subclass = subclass; f.subclass = subclass;
@@ -286,6 +292,8 @@ static int local_sendhtml(struct ast_channel *ast, int subclass, const char *dat
return res; return res;
} }
/*--- local_call: Initiate new call, part of PBX interface */
/* dest is the dial string */
static int local_call(struct ast_channel *ast, char *dest, int timeout) static int local_call(struct ast_channel *ast, char *dest, int timeout)
{ {
struct local_pvt *p = ast->tech_pvt; struct local_pvt *p = ast->tech_pvt;
@@ -317,13 +325,14 @@ static int local_call(struct ast_channel *ast, char *dest, int timeout)
p->chan->cdrflags = p->owner->cdrflags; p->chan->cdrflags = p->owner->cdrflags;
ast_channel_inherit_variables(p->owner, p->chan); ast_channel_inherit_variables(p->owner, p->chan);
p->launchedpbx = 1; p->launchedpbx = 1;
/* Start switch on sub channel */ /* Start switch on sub channel */
res = ast_pbx_start(p->chan); res = ast_pbx_start(p->chan);
ast_mutex_unlock(&p->lock); ast_mutex_unlock(&p->lock);
return res; return res;
} }
/* #if 0
static void local_destroy(struct local_pvt *p) static void local_destroy(struct local_pvt *p)
{ {
struct local_pvt *cur, *prev = NULL; struct local_pvt *cur, *prev = NULL;
@@ -346,8 +355,9 @@ static void local_destroy(struct local_pvt *p)
if (!cur) if (!cur)
ast_log(LOG_WARNING, "Unable ot find local '%s@%s' in local list\n", p->exten, p->context); ast_log(LOG_WARNING, "Unable ot find local '%s@%s' in local list\n", p->exten, p->context);
} }
*/ #endif
/*--- local_hangup: Hangup a call through the local proxy channel */
static int local_hangup(struct ast_channel *ast) static int local_hangup(struct ast_channel *ast)
{ {
struct local_pvt *p = ast->tech_pvt; struct local_pvt *p = ast->tech_pvt;
@@ -356,6 +366,7 @@ static int local_hangup(struct ast_channel *ast)
struct local_pvt *cur, *prev=NULL; struct local_pvt *cur, *prev=NULL;
struct ast_channel *ochan = NULL; struct ast_channel *ochan = NULL;
int glaredetect; int glaredetect;
ast_mutex_lock(&p->lock); ast_mutex_lock(&p->lock);
isoutbound = IS_OUTBOUND(ast, p); isoutbound = IS_OUTBOUND(ast, p);
if (isoutbound) { if (isoutbound) {
@@ -413,11 +424,13 @@ static int local_hangup(struct ast_channel *ast)
return 0; return 0;
} }
/*--- local_alloc: Create a call structure */
static struct local_pvt *local_alloc(char *data, int format) static struct local_pvt *local_alloc(char *data, int format)
{ {
struct local_pvt *tmp; struct local_pvt *tmp;
char *c; char *c;
char *opts; char *opts;
tmp = malloc(sizeof(struct local_pvt)); tmp = malloc(sizeof(struct local_pvt));
if (tmp) { if (tmp) {
memset(tmp, 0, sizeof(struct local_pvt)); memset(tmp, 0, sizeof(struct local_pvt));
@@ -455,10 +468,12 @@ static struct local_pvt *local_alloc(char *data, int format)
return tmp; return tmp;
} }
/*--- local_new: Start new local channel */
static struct ast_channel *local_new(struct local_pvt *p, int state) static struct ast_channel *local_new(struct local_pvt *p, int state)
{ {
struct ast_channel *tmp, *tmp2; struct ast_channel *tmp, *tmp2;
int randnum = rand() & 0xffff; int randnum = rand() & 0xffff;
tmp = ast_channel_alloc(1); tmp = ast_channel_alloc(1);
tmp2 = ast_channel_alloc(1); tmp2 = ast_channel_alloc(1);
if (!tmp || !tmp2) { if (!tmp || !tmp2) {
@@ -466,56 +481,59 @@ static struct ast_channel *local_new(struct local_pvt *p, int state)
ast_channel_free(tmp); ast_channel_free(tmp);
if (tmp2) if (tmp2)
ast_channel_free(tmp2); ast_channel_free(tmp2);
tmp = NULL; ast_log(LOG_WARNING, "Unable to allocate channel structure(s)\n");
return NULL;
} }
if (tmp) {
tmp2->tech = tmp->tech = &local_tech; tmp2->tech = tmp->tech = &local_tech;
tmp->nativeformats = p->reqformat; tmp->nativeformats = p->reqformat;
tmp2->nativeformats = p->reqformat; tmp2->nativeformats = p->reqformat;
snprintf(tmp->name, sizeof(tmp->name), "Local/%s@%s-%04x,1", p->exten, p->context, randnum); snprintf(tmp->name, sizeof(tmp->name), "Local/%s@%s-%04x,1", p->exten, p->context, randnum);
snprintf(tmp2->name, sizeof(tmp2->name), "Local/%s@%s-%04x,2", p->exten, p->context, randnum); snprintf(tmp2->name, sizeof(tmp2->name), "Local/%s@%s-%04x,2", p->exten, p->context, randnum);
tmp->type = type; tmp->type = type;
tmp2->type = type; tmp2->type = type;
ast_setstate(tmp, state); ast_setstate(tmp, state);
ast_setstate(tmp2, AST_STATE_RING); ast_setstate(tmp2, AST_STATE_RING);
tmp->writeformat = p->reqformat;; tmp->writeformat = p->reqformat;
tmp2->writeformat = p->reqformat; tmp2->writeformat = p->reqformat;
tmp->rawwriteformat = p->reqformat; tmp->rawwriteformat = p->reqformat;
tmp2->rawwriteformat = p->reqformat; tmp2->rawwriteformat = p->reqformat;
tmp->readformat = p->reqformat; tmp->readformat = p->reqformat;
tmp2->readformat = p->reqformat; tmp2->readformat = p->reqformat;
tmp->rawreadformat = p->reqformat; tmp->rawreadformat = p->reqformat;
tmp2->rawreadformat = p->reqformat; tmp2->rawreadformat = p->reqformat;
tmp->tech_pvt = p; tmp->tech_pvt = p;
tmp2->tech_pvt = p; tmp2->tech_pvt = p;
p->owner = tmp; p->owner = tmp;
p->chan = tmp2; p->chan = tmp2;
ast_mutex_lock(&usecnt_lock); ast_mutex_lock(&usecnt_lock);
usecnt++; usecnt++;
usecnt++; usecnt++;
ast_mutex_unlock(&usecnt_lock); ast_mutex_unlock(&usecnt_lock);
ast_update_use_count(); ast_update_use_count();
strncpy(tmp->context, p->context, sizeof(tmp->context)-1); ast_copy_string(tmp->context, p->context, sizeof(tmp->context));
strncpy(tmp2->context, p->context, sizeof(tmp2->context)-1); ast_copy_string(tmp2->context, p->context, sizeof(tmp2->context));
strncpy(tmp2->exten, p->exten, sizeof(tmp->exten)-1); ast_copy_string(tmp2->exten, p->exten, sizeof(tmp->exten));
tmp->priority = 1; tmp->priority = 1;
tmp2->priority = 1; tmp2->priority = 1;
} else
ast_log(LOG_WARNING, "Unable to allocate channel structure\n");
return tmp; return tmp;
} }
/*--- local_request: Part of PBX interface */
static struct ast_channel *local_request(const char *type, int format, void *data, int *cause) static struct ast_channel *local_request(const char *type, int format, void *data, int *cause)
{ {
struct local_pvt *p; struct local_pvt *p;
struct ast_channel *chan = NULL; struct ast_channel *chan = NULL;
p = local_alloc(data, format); p = local_alloc(data, format);
if (p) if (p)
chan = local_new(p, AST_STATE_DOWN); chan = local_new(p, AST_STATE_DOWN);
return chan; return chan;
} }
/*--- locals_show: CLI command "local show channels" */
static int locals_show(int fd, int argc, char **argv) static int locals_show(int fd, int argc, char **argv)
{ {
struct local_pvt *p; struct local_pvt *p;
@@ -538,12 +556,13 @@ static int locals_show(int fd, int argc, char **argv)
static char show_locals_usage[] = static char show_locals_usage[] =
"Usage: local show channels\n" "Usage: local show channels\n"
" Provides summary information on local channels.\n"; " Provides summary information on active local proxy channels.\n";
static struct ast_cli_entry cli_show_locals = { static struct ast_cli_entry cli_show_locals = {
{ "local", "show", "channels", NULL }, locals_show, { "local", "show", "channels", NULL }, locals_show,
"Show status of local channels", show_locals_usage, NULL }; "Show status of local channels", show_locals_usage, NULL };
/*--- load_module: Load module into PBX, register channel */
int load_module() int load_module()
{ {
/* Make sure we can register our channel type */ /* Make sure we can register our channel type */
@@ -555,14 +574,17 @@ int load_module()
return 0; return 0;
} }
/*--- reload: Reload module */
int reload() int reload()
{ {
return 0; return 0;
} }
/*--- unload_module: Unload the local proxy channel from Asterisk */
int unload_module() int unload_module()
{ {
struct local_pvt *p; struct local_pvt *p;
/* First, take us out of the channel loop */ /* First, take us out of the channel loop */
ast_cli_unregister(&cli_show_locals); ast_cli_unregister(&cli_show_locals);
ast_channel_unregister(&local_tech); ast_channel_unregister(&local_tech);