changed long to int (64 bit system's compatibilty)
[lcr.git] / chan_lcr.c
index 2a26a7f..ab9c76a 100644 (file)
@@ -31,10 +31,11 @@ The state changes to CHAN_LCR_STATE_IN_SETUP.
 
 Call is initiated by Asterisk:
 
-If a call is reveiced from Asterisk, a new chan_call instance is created.
+If a call is requested from Asterisk, a new chan_call instance is created.
 The new Asterisk instance pointer (ast) is stored to chan_call structure.
-A MESSASGE_NEWREF is sent to LCR requesting a new call reference (ref).
 The current call ref is set to 0, the state is CHAN_LCR_STATE_OUT_PREPARE.
+If the call is received (lcr_call) A MESSASGE_NEWREF is sent to LCR requesting
+a new call reference (ref).
 Further dialing information is queued.
 After the new callref is received by special MESSAGE_NEWREF reply, new ref
 is stored in the chan_call structure. 
@@ -121,6 +122,7 @@ If the ref is 0 and the state is CHAN_LCR_STATE_RELEASE, see the proceedure
 #include "lcrsocket.h"
 #include "cause.h"
 #include "bchannel.h"
+#include "options.h"
 #include "chan_lcr.h"
 
 CHAN_LCR_STATE // state description structure
@@ -167,7 +169,7 @@ void chan_lcr_log(int type, const char *file, int line, const char *function, st
        va_end(args);
 
        if (call)
-               sprintf(call_text, "%ld", call->ref);
+               sprintf(call_text, "%d", call->ref);
        if (ast)
                strncpy(ast_text, ast->name, sizeof(ast_text)-1);
        ast_text[sizeof(ast_text)-1] = '\0';
@@ -182,7 +184,7 @@ void chan_lcr_log(int type, const char *file, int line, const char *function, st
  */
 struct chan_call *call_first;
 
-struct chan_call *find_call_ref(unsigned long ref)
+struct chan_call *find_call_ref(unsigned int ref)
 {
        struct chan_call *call = call_first;
 
@@ -209,7 +211,7 @@ struct chan_call *find_call_ast(struct ast_channel *ast)
        return(call);
 }
 
-struct chan_call *find_call_handle(unsigned long handle)
+struct chan_call *find_call_handle(unsigned int handle)
 {
        struct chan_call *call = call_first;
 
@@ -300,11 +302,10 @@ unsigned short new_bridge_id(void)
        return(id);
 }
 
-
 /*
  * enque message to LCR
  */
-int send_message(int message_type, unsigned long ref, union parameter *param)
+int send_message(int message_type, unsigned int ref, union parameter *param)
 {
        struct admin_list *admin, **adminp;
 
@@ -333,6 +334,169 @@ int send_message(int message_type, unsigned long ref, union parameter *param)
 }
 
 /*
+ * apply options (in locked state)
+ */
+void apply_opt(struct chan_call *call, char *data)
+{
+       union parameter newparam;
+       char string[1024], *p = string, *opt, *key;
+       int gain, i, newmode = 0;
+
+       strncpy(string, data, sizeof(string)-1);
+       string[sizeof(string)-1] = '\0';
+
+       /* parse options */
+       while((opt = strsep(&p, ":")))
+       {
+               switch(opt[0]) {
+               case 'd':
+                       if (opt[1] == '\0') {
+                               CERROR(call, call->ast, "Option 'd' (display) expects parameter.\n", opt);
+                               break;
+                       }
+                       CDEBUG(call, call->ast, "Option 'd' (display) with text '%s'.\n", opt+1);
+                       if (call->state == CHAN_LCR_STATE_OUT_PREPARE)
+                               strncpy(call->display, opt+1, sizeof(call->display)-1);
+                       else {
+                               memset(&newparam, 0, sizeof(union parameter));
+                               strncpy(newparam.notifyinfo.display, opt+1, sizeof(newparam.notifyinfo.display)-1);
+                               send_message(MESSAGE_NOTIFY, call->ref, &newparam);
+                       }
+                       break;
+               case 'n':
+                       if (opt[1] != '\0') {
+                               CERROR(call, call->ast, "Option 'n' (no DTMF) expects no parameter.\n", opt);
+                               break;
+                       }
+                       CDEBUG(call, call->ast, "Option 'n' (no DTMF).\n");
+                       call->no_dtmf = 1;
+                       break;
+               case 'c':
+                       if (opt[1] == '\0') {
+                               CERROR(call, call->ast, "Option 'c' (encrypt) expects key parameter.\n", opt);
+                               break;
+                       }
+                       key = opt+1;
+                       /* check for 0xXXXX... type of key */
+                       if (!!strncmp((char *)key, "0x", 2)) {
+                               CERROR(call, call->ast, "Option 'c' (encrypt) expects key parameter starting with '0x'.\n", opt);
+                               break;
+                       }
+                       key+=2;
+                       if (strlen(key) > 56*2 || (strlen(key) % 1)) {
+                               CERROR(call, call->ast, "Option 'c' (encrypt) expects key parameter with max 56 bytes ('0x' + 112 characters)\n", opt);
+                               break;
+                       }
+                       i = 0;
+                       while(*key)
+                       {
+                               if (*key>='0' && *key<='9')
+                                       call->bf_key[i] = (*key-'0') << 8;
+                               else if (*key>='a' && *key<='f')
+                                       call->bf_key[i] = (*key-'a'+10) << 8;
+                               else if (*key>='A' && *key<='F')
+                                       call->bf_key[i] = (*key-'A'+10) << 8;
+                               else
+                                       break;
+                               key++;
+                               if (*key>='0' && *key<='9')
+                                       call->bf_key[i] += (*key - '0');
+                               else if (*key>='a' && *key<='f')
+                                       call->bf_key[i] += (*key - 'a' + 10);
+                               else if (*key>='A' && *key<='F')
+                                       call->bf_key[i] += (*key - 'A' + 10);
+                               else
+                                       break;
+                               key++;
+                               i++;
+                       }
+                       if (*key) {
+                               CERROR(call, call->ast, "Option 'c' (encrypt) expects key parameter with hex values 0-9,a-f.\n");
+                               break;
+                       }
+                       call->bf_len = i;
+                       CDEBUG(call, call->ast, "Option 'c' (encrypt) blowfish key '%s' (len=%d).\n", opt+1, i);
+                       if (call->bchannel)
+                               bchannel_blowfish(call->bchannel, call->bf_key, call->bf_len);
+                       break;
+               case 'h':
+                       if (opt[1] != '\0') {
+                               CERROR(call, call->ast, "Option 'h' (HDLC) expects no parameter.\n", opt);
+                               break;
+                       }
+                       CDEBUG(call, call->ast, "Option 'h' (HDLC).\n");
+                       if (!call->hdlc) {
+                               call->hdlc = 1;
+                               newmode = 1;
+                       }
+                       break;
+               case 't':
+                       if (opt[1] != '\0') {
+                               CERROR(call, call->ast, "Option 't' (transparent) expects no parameter.\n", opt);
+                               break;
+                       }
+                       CDEBUG(call, call->ast, "Option 't' (transparent).\n");
+                       if (!call->transparent) {
+                               call->transparent = 1;
+                               newmode = 1;
+                       }
+                       break;
+               case 'e':
+                       if (opt[1] == '\0') {
+                               CERROR(call, call->ast, "Option 'e' (echo cancel) expects parameter.\n", opt);
+                               break;
+                       }
+                       CDEBUG(call, call->ast, "Option 'e' (echo cancel) with config '%s'.\n", opt+1);
+                       strncpy(call->pipeline, opt+1, sizeof(call->pipeline)-1);
+                       if (call->bchannel)
+                               bchannel_pipeline(call->bchannel, call->pipeline);
+                       break;
+#if 0
+               case 's':
+                       if (opt[1] != '\0') {
+                               CERROR(call, call->ast, "Option 's' (inband DTMF) expects no parameter.\n", opt);
+                               break;
+                       }
+                       CDEBUG(call, call->ast, "Option 's' (inband DTMF).\n");
+                       call->inband_dtmf = 1;
+todo
+                       break;
+#endif
+               case 'v':
+                       if (opt[1] != 'r' && opt[1] != 't') {
+                               CERROR(call, call->ast, "Option 'v' (volume) expects parameter.\n", opt);
+                               break;
+                       }
+                       gain = atoi(opt+2);
+                       if (gain < -8 || gain >8) {
+                               CERROR(call, call->ast, "Option 'v' (volume) expects parameter in range of -8 through 8.\n");
+                               break;
+                       }
+                       CDEBUG(call, call->ast, "Option 'v' (volume) with gain 2^%d.\n", gain);
+                       if (opt[1] == 'r') {
+                               call->rx_gain = gain;
+                               if (call->bchannel)
+                                       bchannel_gain(call->bchannel, call->rx_gain, 0);
+                       } else {
+                               call->tx_gain = gain;
+                               if (call->bchannel)
+                                       bchannel_gain(call->bchannel, call->tx_gain, 1);
+                       }
+                       break;
+               default:
+                       CERROR(call, call->ast, "Option '%s' unknown.\n", opt);
+               }
+       }               
+       
+       /* re-open, if bchannel is created */
+       if (call->bchannel && call->bchannel->b_sock > -1) {
+               bchannel_destroy(call->bchannel);
+               if (bchannel_create(call->bchannel, ((call->transparent)?1:0) + ((call->hdlc)?2:0)))
+                       bchannel_activate(call->bchannel, 1);
+       }
+}
+
+/*
  * send setup info to LCR
  * this function is called, when asterisk call is received and ref is received
  */
@@ -344,13 +508,18 @@ static void send_setup_to_lcr(struct chan_call *call)
        if (!call->ast || !call->ref)
                return;
 
-       CDEBUG(call, call->ast, "Sending setup to LCR.\n");
+       CDEBUG(call, call->ast, "Sending setup to LCR. (interface=%s dialstring=%s)\n", call->interface, call->dialstring);
 
        /* send setup message to LCR */
        memset(&newparam, 0, sizeof(union parameter));
-       strncpy(newparam.setup.dialinginfo.id, ast->exten, sizeof(newparam.setup.dialinginfo.id)-1);
+               newparam.setup.dialinginfo.itype = INFO_ITYPE_ISDN;     
+               newparam.setup.dialinginfo.ntype = INFO_NTYPE_UNKNOWN;
+       strncpy(newparam.setup.dialinginfo.id, call->dialstring, sizeof(newparam.setup.dialinginfo.id)-1);
+       strncpy(newparam.setup.dialinginfo.interfaces, call->interface, sizeof(newparam.setup.dialinginfo.interfaces)-1);
                newparam.setup.callerinfo.itype = INFO_ITYPE_CHAN;      
                newparam.setup.callerinfo.ntype = INFO_NTYPE_UNKNOWN;
+       strncpy(newparam.setup.callerinfo.display, call->display, sizeof(newparam.setup.callerinfo.display)-1);
+       call->display[0] = '\0';
        if (ast->cid.cid_num) if (ast->cid.cid_num[0])
                strncpy(newparam.setup.callerinfo.id, ast->cid.cid_num, sizeof(newparam.setup.callerinfo.id)-1);
        if (ast->cid.cid_name) if (ast->cid.cid_name[0])
@@ -390,10 +559,7 @@ static void send_setup_to_lcr(struct chan_call *call)
                newparam.setup.callerinfo.ntype = INFO_NTYPE_UNKNOWN;
        }
        newparam.setup.capainfo.bearer_capa = ast->transfercapability;
-#ifdef TODO
-       newparam.setup.capainfo.bearer_info1 = alaw 3, ulaw 2;
-#endif
-       newparam.setup.capainfo.bearer_info1 = 3;
+       newparam.setup.capainfo.bearer_info1 = (options.law=='a')?3:2;
        newparam.setup.capainfo.bearer_mode = INFO_BMODE_CIRCUIT;
        newparam.setup.capainfo.hlc = INFO_HLC_NONE;
        newparam.setup.capainfo.exthlc = INFO_HLC_NONE;
@@ -445,7 +611,7 @@ static void send_release_and_import(struct chan_call *call, int cause, int locat
        union parameter newparam;
 
        /* importing channel */
-       if (call->bchannel && call->bchannel->handle) {
+       if (call->bchannel) {
                memset(&newparam, 0, sizeof(union parameter));
                newparam.bchannel.type = BCHANNEL_RELEASE;
                newparam.bchannel.handle = call->bchannel->handle;
@@ -582,10 +748,8 @@ static void lcr_in_setup(struct chan_call *call, int message_type, union paramet
                ast->cid.cid_num = strdup(param->setup.callerinfo.id);
        if (param->setup.callerinfo.name[0])
                ast->cid.cid_name = strdup(param->setup.callerinfo.name);
-#ifdef TODO
        if (param->setup.redirinfo.id[0])
-               ast->cid.cid_name = strdup(numberrize_callerinfo(param->setup.callerinfo.id, param->setup.callerinfo.ntype, configfile->prefix_nat, configfile->prefix_inter));
-#endif
+               ast->cid.cid_name = strdup(numberrize_callerinfo(param->setup.callerinfo.id, param->setup.callerinfo.ntype, options.national, options.international));
        switch (param->setup.callerinfo.present)
        {
                case INFO_PRESENT_ALLOWED:
@@ -612,22 +776,17 @@ static void lcr_in_setup(struct chan_call *call, int message_type, union paramet
                        ast->cid.cid_ton = 0;
        }
        ast->transfercapability = param->setup.capainfo.bearer_capa;
-#ifdef TODO
-       strncpy(call->oad, numberrize_callerinfo(param->setup.callerinfo.id, param->setup.callerinfo.ntype, configfile->prefix_nat, configfile->prefix_inter), sizeof(call->oad)-1);
-#else
-       strncpy(call->oad, numberrize_callerinfo(param->setup.callerinfo.id, param->setup.callerinfo.ntype, "0", "00"), sizeof(call->oad)-1);
-#endif
+       /* enable hdlc if transcap is data */
+       if (ast->transfercapability == INFO_BC_DATAUNRESTRICTED
+        || ast->transfercapability == INFO_BC_DATARESTRICTED
+        || ast->transfercapability == INFO_BC_VIDEO)
+               call->hdlc = 1;
+       strncpy(call->oad, numberrize_callerinfo(param->setup.callerinfo.id, param->setup.callerinfo.ntype, options.national, options.international), sizeof(call->oad)-1);
 
        /* configure channel */
-#ifdef TODO
-       ast->nativeformats = configfile->lawformat;
-       ast->readformat = ast->rawreadformat = configfile->lawformat;
-       ast->writeformat = ast->rawwriteformat = configfile->lawformat;
-#else
-       ast->nativeformats = AST_FORMAT_ALAW;
-       ast->readformat = ast->rawreadformat = AST_FORMAT_ALAW;
-       ast->writeformat = ast->rawwriteformat = AST_FORMAT_ALAW;
-#endif
+       ast->nativeformats = (options.law=='a')?AST_FORMAT_ALAW:AST_FORMAT_ULAW;
+       ast->readformat = ast->rawreadformat = ast->nativeformats;
+       ast->writeformat = ast->rawwriteformat =  ast->nativeformats;
        ast->priority = 1;
        ast->hangupcause = 0;
 
@@ -832,8 +991,18 @@ static void lcr_in_information(struct chan_call *call, int message_type, union p
  */
 static void lcr_in_notify(struct chan_call *call, int message_type, union parameter *param)
 {
+       union parameter newparam;
+
        CDEBUG(call, call->ast, "Incomming notify from LCR. (notify=%d)\n", param->notifyinfo.notify);
 
+       /* request bchannel, if call is resumed and we don't have it */
+       if (param->notifyinfo.notify == INFO_NOTIFY_USER_RESUMED && !call->bchannel && call->ref) {
+               CDEBUG(call, call->ast, "Reqesting bchannel at resume.\n");
+               memset(&newparam, 0, sizeof(union parameter));
+               newparam.bchannel.type = BCHANNEL_REQUEST;
+               send_message(MESSAGE_BCHANNEL, call->ref, &newparam);
+       }
+
        if (!call->ast) return;
 
        /* use bridge to forware message not supported by asterisk */
@@ -854,13 +1023,36 @@ static void lcr_in_facility(struct chan_call *call, int message_type, union para
 }
 
 /*
+ * got dtmf from bchannel (locked state)
+ */
+void lcr_in_dtmf(struct chan_call *call, int val)
+{
+       struct ast_channel *ast = call->ast;
+       struct ast_frame fr;
+
+       if (!ast)
+               return;
+       if (!call->pbx_started)
+               return;
+
+       CDEBUG(call, call->ast, "Forwarding DTMF digit '%c' to Asterisk.\n", val);
+
+       /* send digit to asterisk */
+       memset(&fr, 0, sizeof(fr));
+       fr.frametype = AST_FRAME_DTMF;
+       fr.subclass = val;
+       fr.delivery = ast_tv(0, 0);
+       ast_queue_frame(call->ast, &fr);
+}
+
+/*
  * message received from LCR
  */
-int receive_message(int message_type, unsigned long ref, union parameter *param)
+int receive_message(int message_type, unsigned int ref, union parameter *param)
 {
-       union parameter newparam;
        struct bchannel *bchannel;
        struct chan_call *call;
+       union parameter newparam;
 
        memset(&newparam, 0, sizeof(union parameter));
 
@@ -888,11 +1080,10 @@ int receive_message(int message_type, unsigned long ref, union parameter *param)
                        bchannel->b_tx_gain = param->bchannel.tx_gain;
                        bchannel->b_rx_gain = param->bchannel.rx_gain;
                        strncpy(bchannel->b_pipeline, param->bchannel.pipeline, sizeof(bchannel->b_pipeline)-1);
-                       if (param->bchannel.crypt_len)
+                       if (param->bchannel.crypt_len && param->bchannel.crypt_len <= sizeof(bchannel->b_bf_key))
                        {
-                               bchannel->b_crypt_len = param->bchannel.crypt_len;
-                               bchannel->b_crypt_type = param->bchannel.crypt_type;
-                               memcpy(bchannel->b_crypt_key, param->bchannel.crypt, param->bchannel.crypt_len);
+                               bchannel->b_bf_len = param->bchannel.crypt_len;
+                               memcpy(bchannel->b_bf_key, param->bchannel.crypt, param->bchannel.crypt_len);
                        }
                        bchannel->b_txdata = 0;
                        bchannel->b_dtmf = 1;
@@ -901,25 +1092,39 @@ int receive_message(int message_type, unsigned long ref, union parameter *param)
                        /* in case, ref is not set, this bchannel instance must
                         * be created until it is removed again by LCR */
                        /* link to call */
-                       if ((call = find_call_ref(ref)))
+                       call = find_call_ref(ref);
+                       if (call)
                        {
                                bchannel->call = call;
                                call->bchannel = bchannel;
-#ifdef TODO
-hier muesen alle bchannel-features gesetzt werden (pipeline...) falls sie vor dem b-kanal verfügbar waren
-#endif
+                               if (call->dtmf)
+                                       bchannel_dtmf(bchannel, 1);
+                               if (call->bf_len)
+                                       bchannel_blowfish(bchannel, call->bf_key, call->bf_len);
+                               if (call->pipeline[0])
+                                       bchannel_pipeline(bchannel, call->pipeline);
+                               if (call->rx_gain)
+                                       bchannel_gain(bchannel, call->rx_gain, 0);
+                               if (call->tx_gain)
+                                       bchannel_gain(bchannel, call->tx_gain, 1);
                                if (call->bridge_id) {
                                        CDEBUG(call, call->ast, "Join bchannel, because call is already bridged.\n");
                                        bchannel_join(bchannel, call->bridge_id);
                                }
                        }
-                       if (bchannel_create(bchannel))
+                       if (bchannel_create(bchannel, ((call->transparent)?1:0) + ((call->hdlc)?2:0)))
                                bchannel_activate(bchannel, 1);
-
                        /* acknowledge */
                        newparam.bchannel.type = BCHANNEL_ASSIGN_ACK;
                        newparam.bchannel.handle = param->bchannel.handle;
                        send_message(MESSAGE_BCHANNEL, 0, &newparam);
+                       /* if call has released before bchannel is assigned */
+                       if (!call) {
+                               newparam.bchannel.type = BCHANNEL_RELEASE;
+                               newparam.bchannel.handle = param->bchannel.handle;
+                               send_message(MESSAGE_BCHANNEL, 0, &newparam);
+                       }
+
                        break;
 
                        case BCHANNEL_REMOVE:
@@ -1195,7 +1400,7 @@ int open_socket(void)
        char *socket_name = SOCKET_NAME;
        int conn;
        struct sockaddr_un sock_address;
-       unsigned long on = 1;
+       unsigned int on = 1;
        union parameter param;
 
        /* open socket */
@@ -1332,13 +1537,12 @@ static void *chan_thread(void *arg)
 static
 struct ast_channel *lcr_request(const char *type, int format, void *data, int *cause)
 {
-       union parameter newparam;
+       char exten[256], *dial, *interface, *opt;
        struct ast_channel *ast;
         struct chan_call *call;
 
        ast_mutex_lock(&chan_lock);
-
-       CDEBUG(NULL, NULL, "Received request from Asterisk.\n");
+       CDEBUG(NULL, NULL, "Received request from Asterisk. (data=%s)\n", (char *)data);
 
        /* if socket is closed */
        if (lcr_sock < 0)
@@ -1346,7 +1550,7 @@ struct ast_channel *lcr_request(const char *type, int format, void *data, int *c
                CERROR(NULL, NULL, "Rejecting call from Asterisk, because LCR not running.\n");
                return NULL;
        }
-       
+
        /* create call instance */
        call = alloc_call();
        if (!call)
@@ -1354,6 +1558,7 @@ struct ast_channel *lcr_request(const char *type, int format, void *data, int *c
                /* failed to create instance */
                return NULL;
        }
+
        /* create asterisk channel instrance */
        ast = ast_channel_alloc(1, AST_STATE_RESERVED, NULL, NULL, "", NULL, "", 0, "%s/%d", lcr_type, ++glob_channel);
        if (!ast)
@@ -1363,36 +1568,49 @@ struct ast_channel *lcr_request(const char *type, int format, void *data, int *c
                /* failed to create instance */
                return NULL;
        }
-       /* link together */
-       call->ast = ast;
-       ast->tech_pvt = call;
        ast->tech = &lcr_tech;
-       ast->fds[0] = call->pipe[0];
+       ast->tech_pvt = (void *)1L; // set pointer or asterisk will not call
        /* configure channel */
-#ifdef TODO
-       snprintf(ast->name, sizeof(ast->name), "%s/%d", lcr_type, ++glob_channel);
-       ast->name[sizeof(ast->name)-1] = '\0';
-#endif
-#ifdef TODO
-       ast->nativeformats = configfile->lawformat;
-       ast->readformat = ast->rawreadformat = configfile->lawformat;
-       ast->writeformat = ast->rawwriteformat = configfile->lawformat;
-#else
-       ast->nativeformats = AST_FORMAT_ALAW;
-       ast->readformat = ast->rawreadformat = AST_FORMAT_ALAW;
-       ast->writeformat = ast->rawwriteformat = AST_FORMAT_ALAW;
-#endif
+       ast->nativeformats = (options.law=='a')?AST_FORMAT_ALAW:AST_FORMAT_ULAW;
+       ast->readformat = ast->rawreadformat = ast->nativeformats;
+       ast->writeformat = ast->rawwriteformat =  ast->nativeformats;
        ast->priority = 1;
        ast->hangupcause = 0;
-       /* send MESSAGE_NEWREF */
-       memset(&newparam, 0, sizeof(union parameter));
-       newparam.direction = 0; /* request from app */
-       send_message(MESSAGE_NEWREF, 0, &newparam);
+
+       /* link together */
+       call->ast = ast;
+       ast->tech_pvt = call;
+       ast->fds[0] = call->pipe[0];
+       call->pbx_started = 0;
        /* set state */
        call->state = CHAN_LCR_STATE_OUT_PREPARE;
 
-       ast_mutex_unlock(&chan_lock);
+       /*
+        * Extract interface, dialstring, options from data.
+        * Formats can be:
+        *      <dialstring>
+        *      <interface>/<dialstring>
+        *      <interface>/<dialstring>/options
+        */
+       strncpy(exten, (char *)data, sizeof(exten)-1);
+       exten[sizeof(exten)-1] = '\0';
+       if ((dial = strchr(exten, '/'))) {
+               *dial++ = '\0';
+               interface = exten;
+               if ((opt = strchr(dial, '/')))
+                       *opt++ = '\0';
+               else
+                       opt = "";
+       } else {
+               dial = exten;
+               interface = "";
+               opt = "";
+       }
+       strncpy(call->interface, interface, sizeof(call->interface)-1);
+       strncpy(call->dialstring, dial, sizeof(call->dialstring)-1);
+       apply_opt(call, (char *)opt);
 
+       ast_mutex_unlock(&chan_lock);
        return ast;
 }
 
@@ -1401,24 +1619,37 @@ struct ast_channel *lcr_request(const char *type, int format, void *data, int *c
  */
 static int lcr_call(struct ast_channel *ast, char *dest, int timeout)
 {
+       union parameter newparam;
         struct chan_call *call;
 
        ast_mutex_lock(&chan_lock);
         call = ast->tech_pvt;
-        if (!call) {
-               CERROR(NULL, ast, "Received call from Asterisk, but no call instance exists.\n");
+       if (!call) {
+               CERROR(NULL, ast, "Received call from Asterisk, but call instance does not exist.\n");
                ast_mutex_unlock(&chan_lock);
                return -1;
        }
 
-       CDEBUG(call, ast, "Received call from Asterisk.\n");
+       CDEBUG(NULL, ast, "Received call from Asterisk.\n");
 
-#warning was passiert zwischen lcr_request und lcr_call ?
+       /* pbx process is started */
        call->pbx_started = 1;
+       /* send MESSAGE_NEWREF */
+       memset(&newparam, 0, sizeof(union parameter));
+       newparam.direction = 0; /* request from app */
+       send_message(MESSAGE_NEWREF, 0, &newparam);
 
-       /* send setup message, if we already have a callref */
-       if (call->ref)
-               send_setup_to_lcr(call);
+       /* set hdlc if capability requires hdlc */
+       if (ast->transfercapability == INFO_BC_DATAUNRESTRICTED
+        || ast->transfercapability == INFO_BC_DATARESTRICTED
+        || ast->transfercapability == INFO_BC_VIDEO)
+               call->hdlc = 1;
+       /* if hdlc is forced by option, we change transcap to data */
+       if (call->hdlc
+        && ast->transfercapability != INFO_BC_DATAUNRESTRICTED
+        && ast->transfercapability != INFO_BC_DATARESTRICTED
+        && ast->transfercapability != INFO_BC_VIDEO)
+               ast->transfercapability = INFO_BC_DATAUNRESTRICTED;
 
        ast_mutex_unlock(&chan_lock);
        return 0; 
@@ -1436,13 +1667,13 @@ static int lcr_digit(struct ast_channel *ast, char digit)
 
        ast_mutex_lock(&chan_lock);
         call = ast->tech_pvt;
-        if (!call) {
+       if (!call) {
                CERROR(NULL, ast, "Received digit from Asterisk, but no call instance exists.\n");
                ast_mutex_unlock(&chan_lock);
                return -1;
        }
 
-       CDEBUG(call, ast, "Received digit Asterisk.\n");
+       CDEBUG(call, ast, "Received digit '%c' from Asterisk.\n", digit);
 
        /* send information or queue them */
        if (call->ref && call->state == CHAN_LCR_STATE_OUT_DIALING)
@@ -1454,7 +1685,7 @@ static int lcr_digit(struct ast_channel *ast, char digit)
                send_message(MESSAGE_INFORMATION, call->ref, &newparam);
        } else
        if (!call->ref
-        && (call->state == CHAN_LCR_STATE_OUT_PREPARE || call->state == CHAN_LCR_STATE_OUT_SETUP));
+        && (call->state == CHAN_LCR_STATE_OUT_PREPARE || call->state == CHAN_LCR_STATE_OUT_SETUP))
        {
                CDEBUG(call, ast, "Queue digits, because we are in setup/dialing state and have no ref yet.\n");
                *buf = digit;
@@ -1462,7 +1693,6 @@ static int lcr_digit(struct ast_channel *ast, char digit)
        }
 
        ast_mutex_unlock(&chan_lock);
-       
        return(0);
 }
 
@@ -1473,7 +1703,7 @@ static int lcr_answer(struct ast_channel *ast)
 
        ast_mutex_lock(&chan_lock);
         call = ast->tech_pvt;
-        if (!call) {
+       if (!call) {
                CERROR(NULL, ast, "Received answer from Asterisk, but no call instance exists.\n");
                ast_mutex_unlock(&chan_lock);
                return -1;
@@ -1497,6 +1727,14 @@ static int lcr_answer(struct ast_channel *ast)
                newparam.bchannel.type = BCHANNEL_REQUEST;
                send_message(MESSAGE_BCHANNEL, call->ref, &newparam);
        }
+       /* enable keypad */
+//     memset(&newparam, 0, sizeof(union parameter));
+//     send_message(MESSAGE_ENABLEKEYPAD, call->ref, &newparam);
+       /* enable dtmf */
+       if (call->no_dtmf)
+               CDEBUG(call, ast, "DTMF is disabled by option.\n");
+       else
+               call->dtmf = 1;
        
        ast_mutex_unlock(&chan_lock);
         return 0;
@@ -1510,7 +1748,7 @@ static int lcr_hangup(struct ast_channel *ast)
        if (!pthread_equal(tid, chan_tid))
                ast_mutex_lock(&chan_lock);
         call = ast->tech_pvt;
-        if (!call) {
+       if (!call) {
                CERROR(NULL, ast, "Received hangup from Asterisk, but no call instance exists.\n");
                if (!pthread_equal(tid, chan_tid))
                        ast_mutex_unlock(&chan_lock);
@@ -1564,16 +1802,12 @@ static int lcr_write(struct ast_channel *ast, struct ast_frame *f)
 
        if (!f->subclass)
                CDEBUG(NULL, ast, "No subclass\n");
-#ifdef TODO
-       config
-#else
-       if (!(f->subclass & AST_FORMAT_ALAW))
-#endif
+       if (!(f->subclass & ast->nativeformats))
                CDEBUG(NULL, ast, "Unexpected format.\n");
        
        ast_mutex_lock(&chan_lock);
         call = ast->tech_pvt;
-        if (!call) {
+       if (!call) {
                ast_mutex_unlock(&chan_lock);
                return -1;
        }
@@ -1592,7 +1826,7 @@ static struct ast_frame *lcr_read(struct ast_channel *ast)
 
        ast_mutex_lock(&chan_lock);
         call = ast->tech_pvt;
-        if (!call) {
+       if (!call) {
                ast_mutex_unlock(&chan_lock);
                return NULL;
        }
@@ -1612,11 +1846,7 @@ static struct ast_frame *lcr_read(struct ast_channel *ast)
        }
 
        call->read_fr.frametype = AST_FRAME_VOICE;
-#ifdef TODO
-       format aus config
-#else
-       call->read_fr.subclass = AST_FORMAT_ALAW;
-#endif
+       call->read_fr.subclass = ast->nativeformats;
        call->read_fr.datalen = len;
        call->read_fr.samples = len;
        call->read_fr.delivery = ast_tv(0,0);
@@ -1634,7 +1864,7 @@ static int lcr_indicate(struct ast_channel *ast, int cond, const void *data, siz
 
        ast_mutex_lock(&chan_lock);
         call = ast->tech_pvt;
-        if (!call) {
+       if (!call) {
                CERROR(NULL, ast, "Received indicate from Asterisk, but no call instance exists.\n");
                ast_mutex_unlock(&chan_lock);
                return -1;
@@ -1705,6 +1935,9 @@ static int lcr_indicate(struct ast_channel *ast, int cond, const void *data, siz
                        memset(&newparam, 0, sizeof(union parameter));
                        newparam.notifyinfo.notify = INFO_NOTIFY_REMOTE_HOLD;
                        send_message(MESSAGE_NOTIFY, call->ref, &newparam);
+                       
+                       /*start music onhold*/
+                       ast_moh_start(ast,data,ast->musicclass);
                         break;
                 case AST_CONTROL_UNHOLD:
                        CDEBUG(call, ast, "Received indicate AST_CONTROL_UNHOLD from Asterisk.\n");
@@ -1712,7 +1945,10 @@ static int lcr_indicate(struct ast_channel *ast, int cond, const void *data, siz
                        memset(&newparam, 0, sizeof(union parameter));
                        newparam.notifyinfo.notify = INFO_NOTIFY_REMOTE_RETRIEVAL;
                        send_message(MESSAGE_NOTIFY, call->ref, &newparam);
-                        break;
+
+                       /*stop moh*/
+                       ast_moh_stop(ast);
+                       break;
 
                 default:
                        CERROR(call, ast, "Received indicate from Asterisk with unknown condition %d.\n", cond);
@@ -1734,7 +1970,7 @@ static int lcr_fixup(struct ast_channel *oldast, struct ast_channel *newast)
 
        ast_mutex_lock(&chan_lock);
        call = oldast->tech_pvt;
-        if (!call) {
+       if (!call) {
                CERROR(NULL, oldast, "Received fixup from Asterisk, but no call instance exists.\n");
                ast_mutex_unlock(&chan_lock);
                return -1;
@@ -1756,7 +1992,7 @@ static int lcr_send_text(struct ast_channel *ast, const char *text)
 
        ast_mutex_lock(&chan_lock);
        call = ast->tech_pvt;
-        if (!call) {
+       if (!call) {
                CERROR(NULL, ast, "Received send_text from Asterisk, but no call instance exists.\n");
                ast_mutex_unlock(&chan_lock);
                return -1;
@@ -1781,11 +2017,14 @@ enum ast_bridge_result lcr_bridge(struct ast_channel *ast1,
 {
        struct chan_call        *call1, *call2;
        struct ast_channel      *carr[2], *who;
-       int                     to = -1;
+       int                     to;
        struct ast_frame        *f;
        int                     bridge_id;
 
        CDEBUG(NULL, NULL, "Received briding request from Asterisk.\n");
+
+       carr[0] = ast1;
+       carr[1] = ast2;
        
        /* join via dsp (if the channels are currently open) */
        ast_mutex_lock(&chan_lock);
@@ -1809,6 +2048,7 @@ enum ast_bridge_result lcr_bridge(struct ast_channel *ast1,
        ast_mutex_unlock(&chan_lock);
        
        while(1) {
+               to = -1;
                who = ast_waitfor_n(carr, 2, &to);
 
                if (!who) {
@@ -1818,6 +2058,10 @@ enum ast_bridge_result lcr_bridge(struct ast_channel *ast1,
                f = ast_read(who);
     
                if (!f || f->frametype == AST_FRAME_CONTROL) {
+                       if (!f)
+                               CDEBUG(NULL, NULL, "Got hangup.\n");
+                       else
+                               CDEBUG(NULL, NULL, "Got CONTROL.\n");
                        /* got hangup .. */
                        *fo=f;
                        *rc=who;
@@ -1825,6 +2069,7 @@ enum ast_bridge_result lcr_bridge(struct ast_channel *ast1,
                }
                
                if ( f->frametype == AST_FRAME_DTMF ) {
+                       CDEBUG(NULL, NULL, "Got DTMF.\n");
                        *fo=f;
                        *rc=who;
                        break;
@@ -1864,19 +2109,13 @@ enum ast_bridge_result lcr_bridge(struct ast_channel *ast1,
                        call2->bridge_call->bridge_call = NULL;
                call2->bridge_call = NULL;
        }
+
        ast_mutex_unlock(&chan_lock);
-       
-       
        return AST_BRIDGE_COMPLETE;
 }
 static struct ast_channel_tech lcr_tech = {
        .type="LCR",
        .description="Channel driver for connecting to Linux-Call-Router",
-#ifdef TODO
-       law from config
-#else
-       .capabilities=AST_FORMAT_ALAW,
-#endif
        .requester=lcr_request,
        .send_digit_begin=lcr_digit,
        .call=lcr_call,
@@ -1895,6 +2134,7 @@ static struct ast_channel_tech lcr_tech = {
 /*
  * cli
  */
+#if 0
 static int lcr_show_lcr (int fd, int argc, char *argv[])
 {
        return 0;
@@ -1978,8 +2218,32 @@ static struct ast_cli_entry cli_port_unload =
  "Unloads LCR port, port is closes by mISDN",
  "Usage: lcr port unload \"<port>\"\n",
 };
+#endif
+
 
 
+static int lcr_config_exec(struct ast_channel *ast, void *data)
+{
+       struct chan_call *call;
+
+       ast_mutex_lock(&chan_lock);
+       CDEBUG(NULL, ast, "Received lcr_config (data=%s)\n", (char *)data);
+       /* find channel */
+       call = call_first;
+       while(call) {
+               if (call->ast == ast)
+                       break;
+               call = call->next;
+       }
+       if (call)
+               apply_opt(call, (char *)data);
+       else
+               CERROR(NULL, ast, "lcr_config app not called by chan_lcr channel.\n");
+
+       ast_mutex_unlock(&chan_lock);
+       return 0;
+}
+
 /*
  * module loading and destruction
  */
@@ -1992,6 +2256,11 @@ int load_module(void)
                             | (i<<7) | ((i&2)<<5) | ((i&4)<<3) | ((i&8)<<1);
        }
 
+       if (read_options() == 0) {
+               CERROR(NULL, NULL, "%s", options_error);
+               return AST_MODULE_LOAD_DECLINE;
+       }
+
        ast_mutex_init(&chan_lock);
        ast_mutex_init(&log_lock);
 
@@ -2006,44 +2275,41 @@ int load_module(void)
        }
        mISDN_created = 1;
 
+       lcr_tech.capabilities = (options.law=='a')?AST_FORMAT_ALAW:AST_FORMAT_ULAW;
        if (ast_channel_register(&lcr_tech)) {
                CERROR(NULL, NULL, "Unable to register channel class\n");
                bchannel_deinitialize();
                close_socket();
                return AST_MODULE_LOAD_DECLINE;
        }
+
+       ast_register_application("lcr_config", lcr_config_exec, "lcr_config",
+                                "lcr_config(<opt><optarg>:<opt>:...)\n"
+                                "Sets LCR opts. and optargs\n"
+                                "\n"
+                                "The available options are:\n"
+                                "    d - Send display text on called phone, text is the optarg.\n"
+                                "    n - Don't detect dtmf tones on called channel.\n"
+                                "    h - Force data call (HDLC).\n" 
+                                "    t - Disable all audio features (required for fax application).\n"
+                                "    c - Make crypted outgoing call, optarg is keyindex.\n"
+                                "    e - Perform echo cancelation on this channel.\n"
+                                "        Takes mISDN pipeline option as optarg.\n"
+//                              "    s - Send Non Inband DTMF as inband.\n"
+                                "   vr - rxgain control\n"
+                                "   vt - txgain control\n"
+                                "        Volume changes at factor 2 ^ optarg.\n"
+               );
+
  
 #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"
-               );
-
-       
-       lcr_cfg_get( 0, LCR_GEN_TRACEFILE, global_tracefile, BUFFERSIZE);
-
-=======
-       //lcr_cfg_get( 0, LCR_GEN_TRACEFILE, global_tracefile, BUFFERSIZE);
 #endif
 
        quit = 0;       
@@ -2068,6 +2334,9 @@ int unload_module(void)
        
        ast_channel_unregister(&lcr_tech);
 
+        ast_unregister_application("lcr_config");
+
+
        if (mISDN_created) {
                bchannel_deinitialize();
                mISDN_created = 0;
@@ -2087,34 +2356,6 @@ int reload_module(void)
        return 0;
 }
 
-#ifdef TODO
-wech damit
-
-int usecnt;
-ast_mutex_t usecnt_lock;
-
-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;
-}
-#endif
 
 #define AST_MODULE "chan_lcr"