/protocols/ss7/hardware/dialogic/native/src/main/native/ipc.c

#include "system.h"

#include "msg.h"

#include "sysgct.h"

#include "ss7_inc.h"    /* ss7 message & parameter definitions */



#include "org_mobicents_ss7_hardware_dialogic_InterProcessCommunicator.h"



/*

 * Class:     org_mobicents_gct_InterProcessCommunicator

 * Method:    receive

 * Signature: (I[B)I

 */

JNIEXPORT jint JNICALL Java_org_mobicents_ss7_hardware_dialogic_InterProcessCommunicator_receive

(JNIEnv *env, jobject obj, jint src_module_id, jbyteArray msg_buffer) {

	jclass cls;

	jfieldID fid;



	jsize len;

	jbyte *body;



    	u16   mlen;           /* message length */

    	u8    *pptr;          /* pointer into parameter area */



	HDR*  h;

	MSG *m;

	int i;



	// h = GCT_grab(src_module_id);

	h = GCT_receive(src_module_id);



	if (h == 0) {

		return -1;

	}



	m = (MSG *)h;



	len = (*env)->GetArrayLength(env, msg_buffer);

    	body = (*env)->GetByteArrayElements(env, msg_buffer, 0);



    	if ((mlen = ((MSG*) h)->len) > 0) {

		

		pptr = get_param((MSG *) h);

		i = 0;	



		switch (m->hdr.type)

		{

		case MTP_MSG_PAUSE :

		  body[i++] = 0; /* SI = 0 */

		  body[i++] = 3; /* PAUSE */

		  break;



		case MTP_MSG_RESUME :

		  body[i++] = 0; /* SI = 0 */

		  body[i++] = 4; /* RESUME */

		  break;



		case MTP_MSG_STATUS :

		  body[i++] = 0; /* SI = 0 */

		  body[i++] = 5; /* STATUS */

		  body[i++] = m->hdr.status; /* actual status. 1 = Remote User Unavailable 2 = Signaling Network Congestion */

		  break;

		

		/* Do we care for API_MSG_RX_IND and default or directly pass to upper layer?

		case API_MSG_RX_IND :

		  UPE_mtp_transfer_ind(m);

		  break;



		default :

		  printf("Rx MSG: type=0x%04x src=0x%02x status=0x%02x len=0x%04x\n", m->hdr.type, m->hdr.src, m->hdr.status, m->len);

		  break;

		*/

		}



	

		while (mlen--) {

			body[i++] = *pptr++;

		}



		(*env)->ReleaseByteArrayElements(env, msg_buffer, body, 0);



		/*

		printf("MTP Message id: %d", h->id);

		*/



		relm(h);

		return i;

	}





	(*env)->ReleaseByteArrayElements(env, msg_buffer, body, 0);

	relm(h);

	return -1;



}



/*

 * Class:     org_mobicents_gct_InterProcessCommunicator

 * Method:    send

 * Signature: (I[B)I

 */

JNIEXPORT jint JNICALL Java_org_mobicents_ss7_hardware_dialogic_InterProcessCommunicator_send

(JNIEnv *env, jobject obj, jint src_module_id, jint dest_module_id, jbyteArray msg_buffer) {

	jclass cls;

	jfieldID fid;



	jsize len;

	jbyte *body;

	int status;



	/* HDR*  h; */

    	u8  *pptr;

	int i;

	MSG   *m;

	

/*	

	printf("*********Preparing for sending data*******");

*/	



	len = (*env)->GetArrayLength(env, msg_buffer);

    body = (*env)->GetByteArrayElements(env, msg_buffer, 0);

	

	m = getm(0xcf00, 3, 0,len);



	if (m == 0) {

		return -1;

	}



	m->hdr.src = src_module_id;

      	m->hdr.dst = dest_module_id;

/*

	h->src = src_module_id;

	h->dst = dest_module_id;



	((MSG*) h)->len = len;

*/

	m->len = len;

	pptr = get_param(m);



	for(i = 0; i < len; i++) {

		*pptr++ = body[i];

	}



	status = GCT_send(dest_module_id,(HDR *)m);



	/* If the function does not return success then the calling program must release

	the message back to the system using relm().

	*/

	if(status!=0)

		relm(m);



	/*

	printf("Sent %d bytes, status %d", len, status);

	*/



	(*env)->ReleaseByteArrayElements(env, msg_buffer, body, 0);	



	return status;

}