/*
* dapl_psp_create_any
*
* uDAPL: User Direct Access Program Library Version 1.1, 6.4.3.3
*
* Create a persistent Public Service Point that can receive multiple
* requests for connections and generate multiple connection request
* instances that will be delivered to the specified Event Dispatcher
* in a notification event. Differs from dapl_psp_create() in that
* the conn_qual is selected by the implementation and returned to
* the user.
*
* Input:
* ia_handle
* evd_handle
* psp_flags
*
* Output:
* conn_qual
* psp_handle
*
* Returns:
* DAT_SUCCESS
* DAT_INSUFFICIENT_RESOURCES
* DAT_INVALID_HANDLE
* DAT_INVALID_PARAMETER
* DAT_CONN_QUAL_IN_USE
* DAT_MODEL_NOT_SUPPORTED
*/
DAT_RETURN DAT_API
dapl_psp_create_any(IN DAT_IA_HANDLE ia_handle,
OUT DAT_CONN_QUAL * conn_qual,
IN DAT_EVD_HANDLE evd_handle,
IN DAT_PSP_FLAGS psp_flags, OUT DAT_PSP_HANDLE * psp_handle)
{
DAPL_IA *ia_ptr;
DAPL_SP *sp_ptr;
DAPL_EVD *evd_ptr;
DAT_RETURN dat_status;
static DAT_CONN_QUAL hint_conn_qual = 1024; /* seed value */
DAT_CONN_QUAL lcl_conn_qual;
DAT_CONN_QUAL limit_conn_qual;
ia_ptr = (DAPL_IA *) ia_handle;
dat_status = DAT_SUCCESS;
if (DAPL_BAD_HANDLE(ia_ptr, DAPL_MAGIC_IA)) {
dat_status =
DAT_ERROR(DAT_INVALID_HANDLE, DAT_INVALID_HANDLE_IA);
goto bail;
}
if (DAPL_BAD_HANDLE(evd_handle, DAPL_MAGIC_EVD)) {
dat_status =
DAT_ERROR(DAT_INVALID_HANDLE, DAT_INVALID_HANDLE_EVD_CR);
goto bail;
}
if (psp_handle == NULL) {
dat_status = DAT_ERROR(DAT_INVALID_PARAMETER, DAT_INVALID_ARG5);
goto bail;
}
if (conn_qual == NULL) {
dat_status = DAT_ERROR(DAT_INVALID_PARAMETER, DAT_INVALID_ARG2);
goto bail;
}
evd_ptr = (DAPL_EVD *) evd_handle;
if (!(evd_ptr->evd_flags & DAT_EVD_CR_FLAG)) {
dat_status =
DAT_ERROR(DAT_INVALID_HANDLE, DAT_INVALID_HANDLE_EVD_CR);
goto bail;
}
if (psp_flags != DAT_PSP_CONSUMER_FLAG &&
psp_flags != DAT_PSP_PROVIDER_FLAG) {
dat_status = DAT_ERROR(DAT_INVALID_PARAMETER, DAT_INVALID_ARG4);
goto bail;
}
/* Allocate PSP */
sp_ptr = dapls_sp_alloc(ia_ptr, DAT_TRUE);
if (sp_ptr == NULL) {
dat_status =
DAT_ERROR(DAT_INSUFFICIENT_RESOURCES, DAT_RESOURCE_MEMORY);
goto bail;
}
DAPL_CNTR(ia_ptr, DCNT_IA_PSP_CREATE_ANY);
/*
* Fill out the args for a PSP
*/
sp_ptr->evd_handle = evd_handle;
sp_ptr->psp_flags = psp_flags;
sp_ptr->ep_handle = NULL;
/*
* Take a reference on the EVD handle
*/
dapl_os_atomic_inc(&((DAPL_EVD *) evd_handle)->evd_ref_count);
/* Link it onto the IA */
dapl_ia_link_psp(ia_ptr, sp_ptr);
/*
* Set up a listener for a connection. Connections can arrive
* even before this call returns!
*/
sp_ptr->state = DAPL_SP_STATE_PSP_LISTENING;
sp_ptr->listening = DAT_TRUE;
limit_conn_qual = 0;
lcl_conn_qual = hint_conn_qual;
dat_status = ~DAT_SUCCESS;
while (dat_status != DAT_SUCCESS) {
dat_status = dapls_ib_setup_conn_listener(ia_ptr,
lcl_conn_qual,
sp_ptr);
lcl_conn_qual++;
if (dat_status == DAT_CONN_QUAL_IN_USE) {
/*
* If we have a big number of tries and we still haven't
* found a service_ID we can use, bail out with an error,
* something is wrong!
*/
if (limit_conn_qual++ > 100000) {
dat_status = DAT_CONN_QUAL_UNAVAILABLE;
break;
}
}
}
hint_conn_qual = lcl_conn_qual;
if (dat_status != DAT_SUCCESS) {
/*
* Have a problem setting up the connection, something wrong!
*/
dapl_os_atomic_dec(&((DAPL_EVD *) evd_handle)->evd_ref_count);
sp_ptr->evd_handle = NULL;
dapls_ia_unlink_sp(ia_ptr, sp_ptr);
dapls_sp_free_sp(sp_ptr);
dapl_os_printf
("--> dapl_psp_create cannot set up conn listener: %x\n",
dat_status);
goto bail;
}
sp_ptr->conn_qual = lcl_conn_qual - 1;
/*
* Return handle to the user
*/
*conn_qual = sp_ptr->conn_qual;
*psp_handle = (DAT_PSP_HANDLE) sp_ptr;
bail:
return dat_status;
}
/*
* dapl_psp_create
*
* uDAPL: User Direct Access Program Library Version 1.1, 6.4.1.1
*
* Create a persistent Public Service Point that can recieve multiple
* requests for connections and generate multiple connection request
* instances that wil be delivered to the specified Event Dispatcher
* in a notification event.
*
* Input:
* ia_handle
* conn_qual
* evd_handle
* psp_flags
*
* Output:
* psp_handle
*
* Returns:
* DAT_SUCCESS
* DAT_INSUFFICIENT_RESOURCES
* DAT_INVALID_PARAMETER
* DAT_CONN_QUAL_IN_USE
* DAT_MODEL_NOT_SUPPORTED
*/
DAT_RETURN
dapl_psp_create(
IN DAT_IA_HANDLE ia_handle,
IN DAT_CONN_QUAL conn_qual,
IN DAT_EVD_HANDLE evd_handle,
IN DAT_PSP_FLAGS psp_flags,
OUT DAT_PSP_HANDLE *psp_handle)
{
DAPL_IA *ia_ptr;
DAPL_SP *sp_ptr;
DAPL_EVD *evd_ptr;
DAT_BOOLEAN sp_found;
DAT_RETURN dat_status;
ia_ptr = (DAPL_IA *)ia_handle;
dat_status = DAT_SUCCESS;
if (DAPL_BAD_HANDLE(ia_ptr, DAPL_MAGIC_IA)) {
dat_status = DAT_ERROR(DAT_INVALID_HANDLE,
DAT_INVALID_HANDLE_IA);
goto bail;
}
if (DAPL_BAD_HANDLE(evd_handle, DAPL_MAGIC_EVD)) {
dat_status = DAT_ERROR(DAT_INVALID_HANDLE,
DAT_INVALID_HANDLE_EVD_CR);
goto bail;
}
if (psp_handle == NULL) {
dat_status = DAT_ERROR(DAT_INVALID_PARAMETER, DAT_INVALID_ARG5);
goto bail;
}
/* check for invalid psp flags */
if ((psp_flags != DAT_PSP_CONSUMER_FLAG) &&
(psp_flags != DAT_PSP_PROVIDER_FLAG)) {
dat_status = DAT_ERROR(DAT_INVALID_PARAMETER, DAT_INVALID_ARG4);
goto bail;
}
evd_ptr = (DAPL_EVD *)evd_handle;
if (!(evd_ptr->evd_flags & DAT_EVD_CR_FLAG)) {
dat_status = DAT_ERROR(DAT_INVALID_HANDLE,
DAT_INVALID_HANDLE_EVD_CR);
goto bail;
}
/*
* check for connection qualifier eq 0
* in IB this is called Null Service ID, use of it in CM is invalid.
* in tcp/udp, port number 0 is reserved.
*/
if (!conn_qual) {
dat_status = DAT_ERROR(DAT_INVALID_PARAMETER, DAT_INVALID_ARG2);
goto bail;
}
/*
* See if we have a quiescent listener to use for this PSP, else
* create one and set it listening
*/
sp_ptr = dapls_ia_sp_search(ia_ptr, conn_qual, DAT_TRUE);
sp_found = DAT_TRUE;
if (sp_ptr == NULL) {
/* Allocate PSP */
sp_found = DAT_FALSE;
sp_ptr = dapls_sp_alloc(ia_ptr, DAT_TRUE);
if (sp_ptr == NULL) {
dat_status = DAT_ERROR(DAT_INSUFFICIENT_RESOURCES,
DAT_RESOURCE_MEMORY);
goto bail;
}
} else if (sp_ptr->listening == DAT_TRUE) {
dat_status = DAT_ERROR(DAT_CONN_QUAL_IN_USE, 0);
goto bail;
}
/*
* Fill out the args for a PSP
*/
sp_ptr->ia_handle = ia_handle;
sp_ptr->conn_qual = conn_qual;
sp_ptr->evd_handle = evd_handle;
sp_ptr->psp_flags = psp_flags;
sp_ptr->ep_handle = NULL;
/*
* Take a reference on the EVD handle
*/
(void) dapl_os_atomic_inc(&((DAPL_EVD *)evd_handle)->evd_ref_count);
/*
* Set up a listener for a connection. Connections can arrive
* even before this call returns!
*/
sp_ptr->state = DAPL_SP_STATE_PSP_LISTENING;
sp_ptr->listening = DAT_TRUE;
/*
* If this is a new sp we need to add it to the IA queue, and set up
* a conn_listener.
*/
if (sp_found == DAT_FALSE) {
/* Link it onto the IA */
dapl_ia_link_psp(ia_ptr, sp_ptr);
dat_status = dapls_ib_setup_conn_listener(ia_ptr, conn_qual,
sp_ptr);
if (dat_status != DAT_SUCCESS) {
/*
* Have a problem setting up the connection, something
* wrong! The psp_free decrements the EVD refcount for
* us; we don't * need to do that.
* But we want to set the listener bits to false,
* as we know that call failed.
*/
sp_ptr->state = DAPL_SP_STATE_FREE;
sp_ptr->listening = DAT_FALSE;
(void) dapl_psp_free((DAT_PSP_HANDLE) sp_ptr);
dapl_dbg_log(DAPL_DBG_TYPE_CM,
"--> dapl_psp_create setup_conn_listener failed: "
"%x\n",
dat_status);
goto bail;
}
}
/*
* Return handle to the user
*/
*psp_handle = (DAT_PSP_HANDLE)sp_ptr;
bail:
return (dat_status);
}
/*
* dapl_psp_create
*
* uDAPL: User Direct Access Program Library Version 1.1, 6.4.1.1
*
* Create a persistent Public Service Point that can receive multiple
* requests for connections and generate multiple connection request
* instances that will be delivered to the specified Event Dispatcher
* in a notification event.
*
* Input:
* ia_handle
* conn_qual
* evd_handle
* psp_flags
*
* Output:
* psp_handle
*
* Returns:
* DAT_SUCCESS
* DAT_INSUFFICIENT_RESOURCES
* DAT_INVALID_PARAMETER
* DAT_CONN_QUAL_IN_USE
* DAT_MODEL_NOT_SUPPORTED
*/
DAT_RETURN DAT_API
dapl_psp_create(IN DAT_IA_HANDLE ia_handle,
IN DAT_CONN_QUAL conn_qual,
IN DAT_EVD_HANDLE evd_handle,
IN DAT_PSP_FLAGS psp_flags, OUT DAT_PSP_HANDLE * psp_handle)
{
DAPL_IA *ia_ptr;
DAPL_SP *sp_ptr;
DAPL_EVD *evd_ptr;
DAT_BOOLEAN sp_found;
DAT_RETURN dat_status;
ia_ptr = (DAPL_IA *) ia_handle;
dat_status = DAT_SUCCESS;
if (DAPL_BAD_HANDLE(ia_ptr, DAPL_MAGIC_IA)) {
dat_status =
DAT_ERROR(DAT_INVALID_HANDLE, DAT_INVALID_HANDLE_IA);
goto bail;
}
if (DAPL_BAD_HANDLE(evd_handle, DAPL_MAGIC_EVD)) {
dat_status =
DAT_ERROR(DAT_INVALID_HANDLE, DAT_INVALID_HANDLE_EVD_CR);
goto bail;
}
if (psp_handle == NULL) {
dat_status = DAT_ERROR(DAT_INVALID_PARAMETER, DAT_INVALID_ARG5);
goto bail;
}
evd_ptr = (DAPL_EVD *) evd_handle;
if (!(evd_ptr->evd_flags & DAT_EVD_CR_FLAG)) {
dat_status =
DAT_ERROR(DAT_INVALID_HANDLE, DAT_INVALID_HANDLE_EVD_CR);
goto bail;
}
if (psp_flags != DAT_PSP_CONSUMER_FLAG &&
psp_flags != DAT_PSP_PROVIDER_FLAG) {
dat_status = DAT_ERROR(DAT_INVALID_PARAMETER, DAT_INVALID_ARG4);
goto bail;
}
DAPL_CNTR(ia_ptr, DCNT_IA_PSP_CREATE);
/*
* See if we have a quiescent listener to use for this PSP, else
* create one and set it listening
*/
sp_ptr = dapls_ia_sp_search(ia_ptr, conn_qual, DAT_TRUE);
sp_found = DAT_TRUE;
if (sp_ptr == NULL) {
/* Allocate PSP */
sp_found = DAT_FALSE;
sp_ptr = dapls_sp_alloc(ia_ptr, DAT_TRUE);
if (sp_ptr == NULL) {
dat_status =
DAT_ERROR(DAT_INSUFFICIENT_RESOURCES,
DAT_RESOURCE_MEMORY);
goto bail;
}
} else if (sp_ptr->listening == DAT_TRUE) {
dat_status = DAT_ERROR(DAT_CONN_QUAL_IN_USE, 0);
goto bail;
}
/*
* Fill out the args for a PSP
*/
sp_ptr->conn_qual = conn_qual;
sp_ptr->evd_handle = evd_handle;
sp_ptr->psp_flags = psp_flags;
sp_ptr->ep_handle = NULL;
/*
* Take a reference on the EVD handle
*/
dapl_os_atomic_inc(&((DAPL_EVD *) evd_handle)->evd_ref_count);
/*
* Set up a listener for a connection. Connections can arrive
* even before this call returns!
*/
sp_ptr->state = DAPL_SP_STATE_PSP_LISTENING;
sp_ptr->listening = DAT_TRUE;
/*
* If this is a new sp we need to add it to the IA queue, and set up
* a conn_listener.
*/
if (sp_found == DAT_FALSE) {
/* Link it onto the IA before enabling it to receive conn
* requests
*/
dapl_ia_link_psp(ia_ptr, sp_ptr);
dat_status = dapls_ib_setup_conn_listener(ia_ptr,
conn_qual, sp_ptr);
if (dat_status != DAT_SUCCESS) {
/*
* Have a problem setting up the connection, something
* wrong! Decrements the EVD refcount & release it.
*/
dapl_os_atomic_dec(&((DAPL_EVD *) evd_handle)->
evd_ref_count);
sp_ptr->evd_handle = NULL;
dapls_ia_unlink_sp(ia_ptr, sp_ptr);
dapls_sp_free_sp(sp_ptr);
dapl_dbg_log(DAPL_DBG_TYPE_CM,
"--> dapl_psp_create setup_conn_listener failed: %x\n",
dat_status);
goto bail;
}
}
/*
* Return handle to the user
*/
*psp_handle = (DAT_PSP_HANDLE) sp_ptr;
bail:
return dat_status;
}