#include <sys/ioctl.h>
#include <sys/socket.h>
#include <sys/un.h>
+
+#include <pthread.h>
+#include <semaphore.h>
+
#include "extension.h"
#include "message.h"
-#include "admin.h"
+#include "lcrsocket.h"
#include "cause.h"
#include "bchannel.h"
#include "chan_lcr.h"
-int sock;
+
+
+#include <asterisk/module.h>
+#include <asterisk/channel.h>
+#include <asterisk/config.h>
+#include <asterisk/logger.h>
+#include <asterisk/pbx.h>
+#include <asterisk/options.h>
+#include <asterisk/io.h>
+#include <asterisk/frame.h>
+#include <asterisk/translate.h>
+#include <asterisk/cli.h>
+#include <asterisk/musiconhold.h>
+#include <asterisk/dsp.h>
+#include <asterisk/translate.h>
+#include <asterisk/file.h>
+#include <asterisk/callerid.h>
+#include <asterisk/indications.h>
+#include <asterisk/app.h>
+#include <asterisk/features.h>
+#include <asterisk/sched.h>
+
+int lcr_debug=1;
+int mISDN_created=1;
+
+
+int lcr_sock = -1;
struct admin_list {
struct admin_list *next;
}
}
+unsigned short new_brige_id(void)
+{
+ struct chan_call *call;
+ unsigned short id = 1;
+
+ /* search for lowest bridge id that is not in use and not 0 */
+ while(id)
+ {
+ call = call_first;
+ while(call)
+ {
+ if (call->bridge_id == id)
+ break;
+ call = call->next;
+ }
+ if (!call)
+ break;
+ id++;
+ }
+ return(id);
+}
+
/*
* receive bchannel data
case BCHANNEL_ASSIGN:
if ((bchannel = find_bchannel_handle(param->bchannel.handle)))
{
- fprintf(stderr, "error: bchannel handle %x already assigned.\n", param->bchannel.handle);
+ fprintf(stderr, "error: bchannel handle %x already assigned.\n", (int)param->bchannel.handle);
return(-1);
}
/* create bchannel */
bchannel = alloc_bchannel(param->bchannel.handle);
if (!bchannel)
{
- fprintf(stderr, "error: alloc bchannel handle %x failed.\n", param->bchannel.handle);
+ fprintf(stderr, "error: alloc bchannel handle %x failed.\n", (int)param->bchannel.handle);
return(-1);
}
{
bchannel->ref = ref;
call->bchannel_handle = param->bchannel.handle;
+#warning hier muesen alle stati gesetzt werden falls sie vor dem b-kanal verfügbar waren
+ bchannel_join(bchannel, call->bridge_id);
}
if (bchannel_create(bchannel))
bchannel_activate(bchannel, 1);
case BCHANNEL_REMOVE:
if (!(bchannel = find_bchannel_handle(param->bchannel.handle)))
{
- fprintf(stderr, "error: bchannel handle %x not assigned.\n", param->bchannel.handle);
+ #warning alle fprintf nach ast_log
+ fprintf(stderr, "error: bchannel handle %x not assigned.\n", (int)param->bchannel.handle);
return(-1);
}
/* unlink from call */
/* handle messages */
switch(message_type)
{
-#warning we must see if ref is a reply or a request, do we??
+ case MESSAGE_SETUP:
+#warning todo
+ break;
+
+ case MESSAGE_OVERLAP:
+#warning todo
+ break;
+
+ case MESSAGE_PROCEEDING:
+#warning todo
+ break;
+
+ case MESSAGE_ALERTING:
+#warning todo
+ break;
+
+ case MESSAGE_CONNECT:
+#warning todo
+ break;
+
+ case MESSAGE_DISCONNECT:
+#warning todo
+ break;
+
case MESSAGE_RELEASE:
-#warning release call
+#warning todo
free_call(call);
return(0);
- case MESSAGE_SETUP:
-#warning handle incoming setup, send to asterisk
+ case MESSAGE_INFORMATION:
+#warning todo
break;
+
+ case MESSAGE_FACILITY:
+#warning todo
+ break;
+
+ case MESSAGE_PATTERN:
+#warning todo
+ break;
+
+ case MESSAGE_NOPATTERN:
+#warning todo
+ break;
+
+ case MESSAGE_AUDIOPATH:
+#warning todo
+ break;
+
+ default:
+#warning unhandled
}
return(0);
}
struct admin_message msg;
struct admin_list *admin;
+ int sock;
+
+ #warning SOCKET FEHLT!
/* read from socket */
len = read(sock, &msg, sizeof(msg));
if (len == 0)
}
/*
- * main function
+ * open and close socket
*/
-int main(int argc, char *argv[])
+int open_socket(void)
{
+ int ret;
+ int sock;
char *socket_name = SOCKET_NAME;
int conn;
struct sockaddr_un sock_address;
- int ret;
unsigned long on = 1;
union parameter param;
- int work;
/* open socket */
if ((sock = socket(PF_UNIX, SOCK_STREAM, 0)) < 0)
{
- fprintf(stderr, "Failed to create socket.\n");
- exit(EXIT_FAILURE);
+ ast_log(LOG_ERROR, "Failed to create socket.\n");
+ return(sock);
}
/* set socket address and name */
if ((conn = connect(sock, (struct sockaddr *)&sock_address, SUN_LEN(&sock_address))) < 0)
{
close(sock);
- fprintf(stderr, "Failed to connect to socket \"%s\".\nIs LCR running?\n", sock_address.sun_path);
- exit(EXIT_FAILURE);
+ ast_log(LOG_ERROR, "Failed to connect to socket \"%s\". Is LCR running?\n", sock_address.sun_path);
+ return(conn);
}
/* set non-blocking io */
- if (ioctl(sock, FIONBIO, (unsigned char *)(&on)) < 0)
+ if ((ret = ioctl(sock, FIONBIO, (unsigned char *)(&on))) < 0)
{
close(sock);
- fprintf(stderr, "Failed to set socket into non-blocking IO.\n");
- exit(EXIT_FAILURE);
+ ast_log(LOG_ERROR, "Failed to set socket into non-blocking IO.\n");
+ return(ret);
}
/* enque hello message */
strcpy(param.hello.application, "asterisk");
send_message(MESSAGE_HELLO, 0, ¶m);
- /* bchannel */
- if (!bchannel_initialize())
- goto bchannel_failed;
-
+ return(sock);
+}
+
+void close_socket(int sock)
+{
+ /* close socket */
+ if (socket >= 0)
+ close(sock);
+}
+
+
+void lcr_thread(void)
+{
+ int work;
+
while(42)
{
work = 0;
/* handle socket */
- ret = handle_socket();
+ int ret = handle_socket();
if (ret < 0)
break;
if (ret)
if (!work)
usleep(30000);
}
+}
+
+static struct ast_channel *lcr_request(const char *type, int format, void *data, int *cause)
+{
+
+}
+
+
+/* call from asterisk (new instance) */
+static int lcr_call(struct ast_channel *ast, char *dest, int timeout)
+{
+ struct lcr_pvt *lcr=ast->tech_pvt;
+
+ if (!lcr) return -1;
+
+ char buf[128];
+ char *port_str, *dad, *p;
+
+ ast_copy_string(buf, dest, sizeof(buf)-1);
+ p=buf;
+ port_str=strsep(&p, "/");
+ dad=strsep(&p, "/");
+
+ if (lcr_debug)
+ ast_verbose("Call: ext:%s dest:(%s) -> dad(%s) \n", ast->exten,dest, dad);
+
+
+ return 0;
+}
+
+static int lcr_answer(struct ast_channel *c)
+{
+ struct lcr_pvt *lcr=c->tech_pvt;
+ return 0;
+}
+
+static int lcr_hangup(struct ast_channel *c)
+{
+ struct lcr_pvt *lcr=c->tech_pvt;
+ c->tech_pvt=NULL;
+}
+
+
+static int lcr_write(struct ast_channel *c, struct ast_frame *f)
+{
+ struct lcr_pvt *lcrm= c->tech_pvt;
+}
+
+
+static struct ast_frame *lcr_read(struct ast_channel *c)
+{
+ struct lcr_pvt *lcr = c->tech_pvt;
+}
+
+static int lcr_indicate(struct ast_channel *c, int cond, const void *data, size_t datalen)
+{
+ int res = -1;
+
+ switch (cond) {
+ case AST_CONTROL_BUSY:
+ case AST_CONTROL_CONGESTION:
+ case AST_CONTROL_RINGING:
+ return -1;
+ case -1:
+ return 0;
+
+ case AST_CONTROL_VIDUPDATE:
+ res = -1;
+ break;
+ case AST_CONTROL_HOLD:
+ ast_verbose(" << Console Has Been Placed on Hold >> \n");
+ //ast_moh_start(c, data, g->mohinterpret);
+ break;
+ case AST_CONTROL_UNHOLD:
+ ast_verbose(" << Console Has Been Retrieved from Hold >> \n");
+ //ast_moh_stop(c);
+ break;
+
+ default:
+ ast_log(LOG_WARNING, "Don't know how to display condition %d on %s\n", cond, c->name);
+ return -1;
+ }
+
+ return 0;
+}
+
+static struct ast_channel_tech lcr_tech = {
+ .type="lcr",
+ .description="Channel driver for connecting to Linux-Call-Router",
+ .capabilities=AST_FORMAT_ALAW,
+ .requester=lcr_request,
+// .send_digit=lcr_digit,
+ .call=lcr_call,
+// .bridge=lcr_bridge,
+ .hangup=lcr_hangup,
+ .answer=lcr_answer,
+ .read=lcr_read,
+ .write=lcr_write,
+ .indicate=lcr_indicate,
+// .fixup=lcr_fixup,
+// .send_text=lcr_send_text,
+ .properties=0
+};
+
+/*
+ * cli
+ */
+static int cli_show_lcr (int fd, int argc, char *argv[])
+{
+}
+
+static int cli_show_calls (int fd, int argc, char *argv[])
+{
+}
+
+static int cli_reload_routing (int fd, int argc, char *argv[])
+{
+}
+
+static int cli_reload_interfaces (int fd, int argc, char *argv[])
+{
+}
+
+static int cli_port_block (int fd, int argc, char *argv[])
+{
+}
+
+static int cli_port_unblock (int fd, int argc, char *argv[])
+{
+}
+
+static int cli_port_unload (int fd, int argc, char *argv[])
+{
+}
+
+static struct ast_cli_entry cli_show_lcr =
+{ {"lcr", "show", "lcr", NULL},
+ lcr_show_lcr,
+ "Shows current states of LCR core",
+ "Usage: lcr show lcr\n",
+};
+
+static struct ast_cli_entry cli_show_calls =
+{ {"lcr", "show", "calls", NULL},
+ lcr_show_calls,
+ "Shows current calls made by LCR and Asterisk",
+ "Usage: lcr show calls\n",
+};
+
+static struct ast_cli_entry cli_reload_routing =
+{ {"lcr", "reload", "routing", NULL},
+ lcr_reload_routing,
+ "Reloads routing conf of LCR, current uncomplete calls will be disconnected",
+ "Usage: lcr reload routing\n",
+};
+
+static struct ast_cli_entry cli_reload_interfaces =
+{ {"lcr", "reload", "interfaces", NULL},
+ lcr_reload_interfaces,
+ "Reloads interfaces conf of LCR",
+ "Usage: lcr reload interfaces\n",
+};
+
+static struct ast_cli_entry cli_port_block =
+{ {"lcr", "port", "block", NULL},
+ lcr_port_block,
+ "Blocks LCR port for further calls",
+ "Usage: lcr port block \"<port>\"\n",
+};
+
+static struct ast_cli_entry cli_port_unblock =
+{ {"lcr", "port", "unblock", NULL},
+ lcr_port_unblock,
+ "Unblocks or loads LCR port, port is opened my mISDN",
+ "Usage: lcr port unblock \"<port>\"\n",
+};
+
+static struct ast_cli_entry cli_port_unload =
+{ {"lcr", "port", "unload", NULL},
+ lcr_port_unload,
+ "Unloads LCR port, port is closes by mISDN",
+ "Usage: lcr port unload \"<port>\"\n",
+};
+
+
+/*
+ * module loading and destruction
+ */
+int load_module(void)
+{
+// ast_mutex_init(&release_lock);
+
+// lcr_cfg_update_ptp();
+
+ if (!(lcr_sock = open_socket())) {
+ ast_log(LOG_ERROR, "Unable to connect\n");
+ lcr_sock = -1;
+ /* continue with closed socket */
+ }
+
+ if (!bchannel_initialize()) {
+ ast_log(LOG_ERROR, "Unable to open mISDN device\n");
+ return -1;
+ }
+ mISDN_created = 1;
+
+ if (ast_channel_register(&lcr_tech)) {
+ ast_log(LOG_ERROR, "Unable to register channel class\n");
+ return -1;
+ }
+
+#if 0
+ ast_cli_register(&cli_show_lcr);
+ ast_cli_register(&cli_show_calls);
+
+ ast_cli_register(&cli_reload_routing);
+ ast_cli_register(&cli_reload_interfaces);
+ ast_cli_register(&cli_port_block);
+ ast_cli_register(&cli_port_unblock);
+ ast_cli_register(&cli_port_unload);
+
+ ast_register_application("misdn_set_opt", misdn_set_opt_exec, "misdn_set_opt",
+ "misdn_set_opt(:<opt><optarg>:<opt><optarg>..):\n"
+ "Sets mISDN opts. and optargs\n"
+ "\n"
+ "The available options are:\n"
+ " d - Send display text on called phone, text is the optparam\n"
+ " n - don't detect dtmf tones on called channel\n"
+ " h - make digital outgoing call\n"
+ " c - make crypted outgoing call, param is keyindex\n"
+ " e - perform echo cancelation on this channel,\n"
+ " takes taps as arguments (32,64,128,256)\n"
+ " s - send Non Inband DTMF as inband\n"
+ " vr - rxgain control\n"
+ " vt - txgain control\n"
+ );
- bchannel_deinitialize();
- bchannel_failed:
- /* close socket */
- close(sock);
- /* now we say good bye */
- if (ret)
- {
- printf("%s\n", ret);
- exit(EXIT_FAILURE);
+ lcr_cfg_get( 0, LCR_GEN_TRACEFILE, global_tracefile, BUFFERSIZE);
+
+ chan_lcr_log(0, 0, "-- mISDN Channel Driver Registred -- (BE AWARE THIS DRIVER IS EXPERIMENTAL!)\n");
+=======
+ //lcr_cfg_get( 0, LCR_GEN_TRACEFILE, global_tracefile, BUFFERSIZE);
+#endif
+
+ return 0;
+}
+
+int unload_module(void)
+{
+ /* First, take us out of the channel loop */
+ ast_log(LOG_VERBOSE, "-- Unregistering mISDN Channel Driver --\n");
+
+
+ ast_channel_unregister(&lcr_tech);
+
+ if (mISDN_created) {
+ bchannel_deinitialize();
+ mISDN_created = 0;
}
+
+ if (lcr_sock >= 0) {
+ close(lcr_sock);
+ lcr_sock = -1;
+ }
+
+ return 0;
+}
+
+static int reload_module(void)
+{
+// reload_config();
+ return 0;
+}
+
+
+ast_mutex_t usecnt_lock;
+int usecnt;
+
+int usecount(void)
+{
+ int res;
+ ast_mutex_lock(&usecnt_lock);
+ res = usecnt;
+ ast_mutex_unlock(&usecnt_lock);
+ return res;
}
+char *desc="Channel driver for lcr";
+char *description(void)
+{
+ return desc;
+}
+
+char *key(void)
+{
+ return ASTERISK_GPL_KEY;
+}
+#define AST_MODULE "chan_lcr"
+AST_MODULE_INFO(ASTERISK_GPL_KEY,
+ AST_MODFLAG_DEFAULT,
+ "Channel driver for lcr",
+ .load = load_module,
+ .unload = unload_module,
+ .reload = reload_module,
+ );