#include <sys/un.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;
+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
{
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(call->bridge_id);
}
if (bchannel_create(bchannel))
bchannel_activate(bchannel, 1);
case BCHANNEL_REMOVE:
if (!(bchannel = find_bchannel_handle(param->bchannel.handle)))
{
+ alle fprintf nach ast_log
fprintf(stderr, "error: bchannel handle %x not assigned.\n", param->bchannel.handle);
return(-1);
}
/* handle messages */
switch(message_type)
{
-#warning we must see if ref is a reply or a request, do we??
+ case MESSAGE_SETUP:
+todo
+ break;
+
+ case MESSAGE_OVERLAP:
+todo
+ break;
+
+ case MESSAGE_PROCEEDING:
+todo
+ break;
+
+ case MESSAGE_ALERTING:
+todo
+ break;
+
+ case MESSAGE_CONNECT:
+todo
+ break;
+
+ case MESSAGE_DISCONNECT:
+todo
+ break;
+
case MESSAGE_RELEASE:
-#warning release call
+todo
free_call(call);
return(0);
- case MESSAGE_SETUP:
-#warning handle incoming setup, send to asterisk
+ case MESSAGE_INFORMATION:
+todo
break;
+
+ case MESSAGE_FACILITY:
+todo
+ break;
+
+ case MESSAGE_PATTERN:
+todo
+ break;
+
+ case MESSAGE_NOPATTERN:
+todo
+ break;
+
+ case MESSAGE_AUDIOPATH:
+todo
+ break;
+
+ default:
+unhandled
}
return(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;
if (!work)
usleep(30000);
}
+}
- bchannel_deinitialize();
- bchannel_failed:
+/* call from asterisk (new instance) */
+static int lcr_call(struct ast_channel *ast, char *dest, int timeout)
+{
+ int port=0;
+ int r;
+ struct chan_list *ch=MISDN_ASTERISK_TECH_PVT(ast);
+ struct misdn_bchannel *newbc;
+ char *opts=NULL, *ext;
+ char dest_cp[256];
- /* close socket */
- close(sock);
- /* now we say good bye */
- if (ret)
{
- printf("%s\n", ret);
- exit(EXIT_FAILURE);
+ strncpy(dest_cp,dest,sizeof(dest_cp)-1);
+ dest_cp[sizeof(dest_cp)]=0;
+
+ ext=dest_cp;
+ strsep(&ext,"/");
+ if (ext) {
+ opts=ext;
+ strsep(&opts,"/");
+ } else {
+ ast_log(LOG_WARNING, "Malformed dialstring\n");
+ return -1;
+ }
+ }
+
+ if (!ast) {
+ ast_log(LOG_WARNING, " --> ! misdn_call called on ast_channel *ast where ast == NULL\n");
+ return -1;
+ }
+
+ if (((ast->_state != AST_STATE_DOWN) && (ast->_state != AST_STATE_RESERVED)) || !dest ) {
+ ast_log(LOG_WARNING, " --> ! misdn_call called on %s, neither down nor reserved (or dest==NULL)\n", ast->name);
+ ast->hangupcause=41;
+ ast_setstate(ast, AST_STATE_DOWN);
+ return -1;
+ }
+
+ if (!ch) {
+ ast_log(LOG_WARNING, " --> ! misdn_call called on %s, neither down nor reserved (or dest==NULL)\n", ast->name);
+ ast->hangupcause=41;
+ ast_setstate(ast, AST_STATE_DOWN);
+ return -1;
+ }
+
+ newbc=ch->bc;
+
+ if (!newbc) {
+ ast_log(LOG_WARNING, " --> ! misdn_call called on %s, neither down nor reserved (or dest==NULL)\n", ast->name);
+ ast->hangupcause=41;
+ ast_setstate(ast, AST_STATE_DOWN);
+ return -1;
+ }
+
+ port=newbc->port;
+
+
+ chan_misdn_log(1, port, "* CALL: %s\n",dest);
+
+ chan_misdn_log(2, port, " --> * dad:%s tech:%s ctx:%s\n",ast->exten,ast->name, ast->context);
+
+ chan_misdn_log(3, port, " --> * adding2newbc ext %s\n",ast->exten);
+ if (ast->exten) {
+ int l = sizeof(newbc->dad);
+ strncpy(ast->exten,ext,sizeof(ast->exten));
+
+ strncpy(newbc->dad,ext,l);
+
+ newbc->dad[l-1] = 0;
}
+ newbc->rad[0]=0;
+ chan_misdn_log(3, port, " --> * adding2newbc callerid %s\n",AST_CID_P(ast));
+ if (ast_strlen_zero(newbc->oad) && AST_CID_P(ast) ) {
+
+ if (AST_CID_P(ast)) {
+ int l = sizeof(newbc->oad);
+ strncpy(newbc->oad,AST_CID_P(ast), l);
+ newbc->oad[l-1] = 0;
+ }
+ }
+
+ {
+ struct chan_list *ch=MISDN_ASTERISK_TECH_PVT(ast);
+ if (!ch) { ast_verbose("No chan_list in misdn_call\n"); return -1;}
+
+ newbc->capability=ast->transfercapability;
+ pbx_builtin_setvar_helper(ast,"TRANSFERCAPABILITY",ast_transfercapability2str(newbc->capability));
+ if ( ast->transfercapability == INFO_CAPABILITY_DIGITAL_UNRESTRICTED) {
+ chan_misdn_log(2, port, " --> * Call with flag Digital\n");
+ }
+
+
+ /* update screening and presentation */
+ update_config(ch,ORG_AST);
+
+ /* fill in some ies from channel vary*/
+ import_ch(ast, newbc, ch);
+
+ /* Finally The Options Override Everything */
+ if (opts)
+ misdn_set_opt_exec(ast,opts);
+ else
+ chan_misdn_log(2,port,"NO OPTS GIVEN\n");
+
+ /*check for bridging*/
+ int bridging;
+ misdn_cfg_get( 0, MISDN_GEN_BRIDGING, &bridging, sizeof(int));
+ if (bridging && ch->other_ch) {
+ chan_misdn_log(1, port, "Disabling EC (aka Pipeline) on both Sides\n");
+ *ch->bc->pipeline=0;
+ *ch->other_ch->bc->pipeline=0;
+ }
+
+ r=misdn_lib_send_event( newbc, EVENT_SETUP );
+
+ /** we should have l3id after sending setup **/
+ ch->l3id=newbc->l3_id;
+ }
+
+ if ( r == -ENOCHAN ) {
+ chan_misdn_log(0, port, " --> * Theres no Channel at the moment .. !\n");
+ chan_misdn_log(1, port, " --> * SEND: State Down pid:%d\n",newbc?newbc->pid:-1);
+ ast->hangupcause=34;
+ ast_setstate(ast, AST_STATE_DOWN);
+ return -1;
+ }
+
+ chan_misdn_log(2, port, " --> * SEND: State Dialing pid:%d\n",newbc?newbc->pid:1);
+
+ ast_setstate(ast, AST_STATE_DIALING);
+ ast->hangupcause=16;
+
+wenn pattern available soll gestoppt werden, sonst nicht:
+ if (newbc->nt) stop_bc_tones(ch);
+
+ ch->state=MISDN_CALLING;
+
+ return 0;
+}
+
+
+static struct ast_channel_tech misdn_tech = {
+ .type="lcr",
+ .description="Channel driver for connecting to Linux-Call-Router",
+ .capabilities= je nach option?AST_FORMAT_ALAW:AST_FORMAT_ULAW ,
+ .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_indication,
+ .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 %s\n", misdn_type);
+ lcr_sock = -1;
+ /* continue with closed socket */
+ }
+
+ if (!bchannel_initialize()) {
+ ast_log(LOG_ERROR, "Unable to open mISDN device\n");
+ unload_module();
+ return -1;
+ }
+ mISDN_created = 1;
+
+ if (ast_channel_register(&lcr_tech)) {
+ ast_log(LOG_ERROR, "Unable to register channel class %s\n", misdn_type);
+ unload_module();
+ return -1;
+ }
+
+ 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"
+ );
+
+
+ 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");
+
+ return 0;
+}
+
+int unload_module(void)
+{
+ /* First, take us out of the channel loop */
+ ast_log(LOG_VERBOSE, "-- Unregistering mISDN Channel Driver --\n");
+
+ misdn_tasks_destroy();
+
+ if (!g_config_initialized) return 0;
+
+ ast_cli_unregister(&cli_show_lcr);
+ ast_cli_unregister(&cli_show_calls);
+ ast_cli_unregister(&cli_reload_routing);
+ ast_cli_unregister(&cli_reload_interfaces);
+ ast_cli_unregister(&cli_port_block);
+ ast_cli_unregister(&cli_port_unblock);
+ ast_unregister_application("misdn_set_opt");
+
+ ast_channel_unregister(&lcr_tech);
+
+ if (mISDN_created) {
+ bchannel_deinitialize();
+ mISDN_created = 0;
+ }
+
+ if (lcr_sock >= 0) {
+ close(lcr_sock);
+ lcr_sock = -1;
+ }
+
+ was ist mit dem mutex
+
+ return 0;
+}
+
+int reload(void)
+{
+ reload_config();
+
+ return 0;
+}
+
+int usecount(void)
+{
+ int res;
+ ast_mutex_lock(&usecnt_lock);
+ res = usecnt;
+ ast_mutex_unlock(&usecnt_lock);
+ return res;
+}
+
+char *description(void)
+{
+ return desc;
+}
+
+char *key(void)
+{
+ return ASTERISK_GPL_KEY;
+}
projects / lcr.git / blobdiff