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authorSuper User2007-05-06 15:54:52 +0200
committerSuper User2007-05-06 15:54:52 +0200
commit2ed0fee489c37a6e2d4473f6185ebbe3e746ac11 (patch)
treefcf232bc282c083404cfde0ce5b04236fe202c3e /endpoint.cpp
parentfirst commit (diff)
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only for backup, still in coding state - no compile!!!
Diffstat (limited to 'endpoint.cpp')
-rw-r--r--endpoint.cpp219
1 files changed, 219 insertions, 0 deletions
diff --git a/endpoint.cpp b/endpoint.cpp
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+/*****************************************************************************\
+** **
+** PBX4Linux **
+** **
+**---------------------------------------------------------------------------**
+** Copyright: Andreas Eversberg **
+** **
+** The Endpoint is the link between the call and the port. **
+** **
+\*****************************************************************************/
+
+#include <stdio.h>
+#include "main.h"
+
+unsigned long epoint_serial = 1; /* initial value must be 1, because 0== no epoint */
+
+class Endpoint *epoint_first = NULL;
+
+
+/*
+ * find the epoint with epoint_id
+ */
+class Endpoint *find_epoint_id(unsigned long epoint_id)
+{
+ class Endpoint *epoint = epoint_first;
+
+ while(epoint)
+ {
+//printf("comparing: '%s' with '%s'\n", name, epoint->name);
+ if (epoint->ep_serial == epoint_id)
+ return(epoint);
+ epoint = epoint->next;
+ }
+
+ return(NULL);
+}
+
+
+/*
+ * endpoint constructor (link with either port or call id)
+ */
+Endpoint::Endpoint(int port_id, int call_id)
+{
+ class Port *port;
+ class Endpoint **epointpointer;
+
+ /* epoint structure */
+ PDEBUG(DEBUG_EPOINT, "EPOINT(%d): Allocating enpoint %d and connecting it with:%s%s\n", epoint_serial, epoint_serial, (port_id)?" ioport":"", (call_id)?" call":"");
+
+ ep_portlist = NULL;
+ ep_app = NULL;
+ ep_use = 1;
+
+ /* add endpoint to chain */
+ next = NULL;
+ epointpointer = &epoint_first;
+ while(*epointpointer)
+ epointpointer = &((*epointpointer)->next);
+ *epointpointer = this;
+
+ /* serial */
+ ep_serial = epoint_serial++;
+
+ /* link to call or port */
+ if (port_id)
+ {
+ port = find_port_id(port_id);
+ if (port)
+ if (!portlist_new(port_id, port->p_type))
+ {
+ PERROR("no mem for portlist, exitting...\n");
+ exit(-1);
+ }
+ }
+ ep_call_id = call_id;
+
+ ep_park = 0;
+ ep_park_len = 0;
+
+ classuse++;
+}
+
+
+/*
+ * endpoint destructor
+ */
+Endpoint::~Endpoint(void)
+{
+ class Endpoint *temp, **tempp;
+ struct port_list *portlist, *mtemp;
+
+ classuse--;
+
+ /* remote application */
+ if (ep_app)
+ delete ep_app;
+
+ /* free relations */
+ if (ep_call_id)
+ {
+ PERROR("warning: still relation to call.\n");
+ }
+
+ /* free portlist */
+ portlist = ep_portlist;
+ while(portlist)
+ {
+ if (portlist->port_id)
+ {
+ PERROR("warning: still relation to port (portlist list)\n");
+ }
+ mtemp = portlist;
+ portlist = portlist->next;
+ memset(mtemp, 0, sizeof(struct port_list));
+ free(mtemp);
+ ememuse--;
+ }
+
+ /* detach */
+ temp =epoint_first;
+ tempp = &epoint_first;
+ while(temp)
+ {
+ if (temp == this)
+ break;
+
+ tempp = &temp->next;
+ temp = temp->next;
+ }
+ if (temp == 0)
+ {
+ PERROR("error: endpoint not in endpoint's list, exitting.\n");
+ exit(-1);
+ }
+ *tempp = next;
+
+ /* free */
+ PDEBUG(DEBUG_EPOINT, "removed endpoint %d.\n", ep_serial);
+}
+
+/* create new portlist relation
+ */
+struct port_list *Endpoint::portlist_new(unsigned long port_id, int port_type)
+{
+ struct port_list *portlist, **portlistpointer;
+
+ /* portlist structure */
+ portlist = (struct port_list *)calloc(1, sizeof(struct port_list));
+ if (!portlist)
+ {
+ PERROR("no mem for allocating port_list\n");
+ return(0);
+ }
+ ememuse++;
+ PDEBUG(DEBUG_EPOINT, "EPOINT(%d) allocating port_list.\n", ep_serial);
+ memset(portlist, 0, sizeof(struct port_list));
+
+ /* add port_list to chain */
+ portlist->next = NULL;
+ portlistpointer = &ep_portlist;
+ while(*portlistpointer)
+ portlistpointer = &((*portlistpointer)->next);
+ *portlistpointer = portlist;
+
+ /* link to call or port */
+ portlist->port_id = port_id;
+ portlist->port_type = port_type;
+
+ return(portlist);
+}
+
+
+/* free portlist relation
+ */
+void Endpoint::free_portlist(struct port_list *portlist)
+{
+ struct port_list *temp, **tempp;
+
+ temp = ep_portlist;
+ tempp = &ep_portlist;
+ while(temp)
+ {
+ if (temp == portlist)
+ break;
+
+ tempp = &temp->next;
+ temp = temp->next;
+ }
+ if (temp == 0)
+ {
+ PERROR("port_list not in endpoint's list, exitting.\n");
+ exit(-1);
+ }
+ /* detach */
+ *tempp=portlist->next;
+
+ /* free */
+ PDEBUG(DEBUG_EPOINT, "EPOINT(%d) removed port_list from endpoint\n", ep_serial);
+ memset(portlist, 0, sizeof(struct port_list));
+ free(portlist);
+ ememuse--;
+}
+
+
+/* handler for endpoint
+ */
+int Endpoint::handler(void)
+{
+ if (ep_use <= 0)
+ {
+ delete this;
+ return(-1);
+ }
+
+ /* call application handler */
+ if (ep_app)
+ return(ep_app->handler());
+ return(0);
+}