Files
asterisk/addons/ooh323c/src/ooCmdChannel.c
Josh Soref 01697d4836 addons: Spelling fixes
Correct typos of the following word families:

definition
listener
fastcopy
logical
registration
classify
documentation
explicitly
dialed
endpoint
elements
arithmetic
might
prepend
byte
terminal
inquiry
skipping
aliases
calling
absent
authentication
transmit
their
ericsson
disconnecting
redir
items
client
adapter
transmitter
existing
satisfies
pointer
interval
supplied

ASTERISK-29714

Change-Id: I8548438246f7b718d88e0b9e0a1eb384bbec88e4
2021-11-16 06:00:43 -06:00

430 lines
12 KiB
C

/*
* Copyright (C) 2004-2005 by Objective Systems, Inc.
*
* This software is furnished under an open source license and may be
* used and copied only in accordance with the terms of this license.
* The text of the license may generally be found in the root
* directory of this installation in the COPYING file. It
* can also be viewed online at the following URL:
*
* http://www.obj-sys.com/open/license.html
*
* Any redistributions of this file including modified versions must
* maintain this copyright notice.
*
*****************************************************************************/
#include "asterisk.h"
#include "asterisk/lock.h"
#include "asterisk/utils.h"
#include "ooStackCmds.h"
#include "ootrace.h"
#include "ooq931.h"
#include "ooh245.h"
#include "ooh323ep.h"
#include "oochannels.h"
#include "ooCalls.h"
#include "ooCmdChannel.h"
/** Global endpoint structure */
extern OOH323EndPoint gH323ep;
OOSOCKET gCmdChan = 0;
ast_mutex_t gCmdChanLock;
int ooCreateCmdConnection()
{
int ret = 0;
int thePipe[2];
if ((ret = pipe(thePipe)) == -1) {
return OO_FAILED;
}
ast_mutex_init(&gCmdChanLock);
gH323ep.cmdSock = dup(thePipe[0]);
close(thePipe[0]);
gCmdChan = dup(thePipe[1]);
close(thePipe[1]);
return OO_OK;
}
int ooCreateCallCmdConnection(OOH323CallData* call)
{
int ret = 0;
int thePipe[2];
OOTRACEINFO2("INFO: create cmd connect for call: %lx\n", call);
call->CmdChanLock = ast_calloc(1, sizeof(ast_mutex_t));
ast_mutex_init(call->CmdChanLock);
if ((ret = socketpair(PF_LOCAL, SOCK_STREAM, 0, thePipe)) == -1) {
ast_mutex_destroy(call->CmdChanLock);
ast_free(call->CmdChanLock);
call->CmdChanLock = NULL;
return OO_FAILED;
}
ast_mutex_lock(call->CmdChanLock);
call->cmdSock = thePipe[0];
call->CmdChan = thePipe[1];
ast_mutex_unlock(call->CmdChanLock);
return OO_OK;
}
int ooCloseCmdConnection()
{
close(gH323ep.cmdSock);
gH323ep.cmdSock = 0;
close(gCmdChan);
gCmdChan = 0;
ast_mutex_destroy(&gCmdChanLock);
return OO_OK;
}
int ooCloseCallCmdConnection(OOH323CallData* call)
{
ast_mutex_lock(call->CmdChanLock);
close(call->cmdSock);
call->cmdSock = 0;
close(call->CmdChan);
call->CmdChan = 0;
ast_mutex_unlock(call->CmdChanLock);
ast_mutex_destroy(call->CmdChanLock);
ast_free(call->CmdChanLock);
call->CmdChanLock = NULL;
return OO_OK;
}
int ooWriteStackCommand(OOStackCommand *cmd)
{
ast_mutex_lock(&gCmdChanLock);
if (write(gCmdChan, (char*)cmd, sizeof(OOStackCommand)) == -1) {
ast_mutex_unlock(&gCmdChanLock);
return OO_FAILED;
}
ast_mutex_unlock(&gCmdChanLock);
return OO_OK;
}
int ooWriteCallStackCommand(OOH323CallData* call, OOStackCommand *cmd)
{
unsigned char buffer[MAXMSGLEN];
unsigned char* bPoint;
memcpy(buffer, cmd, sizeof(OOStackCommand));
bPoint = buffer + sizeof(OOStackCommand);
if (cmd->param1 && cmd->plen1 > 0) {
if (bPoint + cmd->plen1 >= buffer + MAXMSGLEN)
return OO_FAILED;
memcpy(bPoint, cmd->param1, cmd->plen1);
bPoint += cmd->plen1;
}
if (cmd->param2 && cmd->plen2 > 0) {
if (bPoint + cmd->plen2 >= buffer + MAXMSGLEN)
return OO_FAILED;
memcpy(bPoint, cmd->param2, cmd->plen2);
bPoint += cmd->plen2;
}
if (cmd->param3 && cmd->plen3 > 0) {
if (bPoint + cmd->plen3 >= buffer + MAXMSGLEN)
return OO_FAILED;
memcpy(bPoint, cmd->param3, cmd->plen3);
bPoint += cmd->plen3;
}
ast_mutex_lock(call->CmdChanLock);
if (write(call->CmdChan, buffer, bPoint - buffer) == -1) {
ast_mutex_unlock(call->CmdChanLock);
return OO_FAILED;
}
ast_mutex_unlock(call->CmdChanLock);
return OO_OK;
}
int ooReadAndProcessStackCommand()
{
OOH323CallData *pCall = NULL;
unsigned char buffer[MAXMSGLEN];
int i, recvLen = 0;
OOStackCommand cmd;
memset(&cmd, 0, sizeof(OOStackCommand));
ast_mutex_lock(&gCmdChanLock);
recvLen = read(gH323ep.cmdSock, buffer, MAXMSGLEN);
ast_mutex_unlock(&gCmdChanLock);
if(recvLen <= 0)
{
OOTRACEERR1("Error:Failed to read CMD message\n");
return OO_FAILED;
}
for(i=0; (int)(i+sizeof(OOStackCommand)) <= recvLen; i += sizeof(OOStackCommand))
{
memcpy(&cmd, buffer+i, sizeof(OOStackCommand));
if(cmd.type == OO_CMD_NOOP)
continue;
else {
switch(cmd.type) {
case OO_CMD_MAKECALL:
OOTRACEINFO2("Processing MakeCall command %s\n",
(char*)cmd.param2);
ooH323NewCall ((char*)cmd.param2);
break;
case OO_CMD_MANUALPROGRESS:
pCall = ooFindCallByToken((char*)cmd.param1);
if(!pCall) {
OOTRACEINFO2("Call \"%s\" does not exist\n",
(char*)cmd.param1);
OOTRACEINFO1("Call might be cleared/closed\n");
}
else {
ooSendProgress(ooFindCallByToken((char*)cmd.param1));
}
break;
case OO_CMD_MANUALRINGBACK:
if(OO_TESTFLAG(gH323ep.flags, OO_M_MANUALRINGBACK))
{
pCall = ooFindCallByToken((char*)cmd.param1);
if(!pCall) {
OOTRACEINFO2("Call \"%s\" does not exist\n",
(char*)cmd.param1);
OOTRACEINFO1("Call might be cleared/closed\n");
}
else {
ooSendAlerting(ooFindCallByToken((char*)cmd.param1));
if(OO_TESTFLAG(gH323ep.flags, OO_M_AUTOANSWER)) {
ooSendConnect(ooFindCallByToken((char*)cmd.param1));
}
}
}
break;
case OO_CMD_ANSCALL:
pCall = ooFindCallByToken((char*)cmd.param1);
if(!pCall) {
OOTRACEINFO2("Call \"%s\" does not exist\n",
(char*)cmd.param1);
OOTRACEINFO1("Call might be cleared/closed\n");
}
else {
OOTRACEINFO2("Processing Answer Call command for %s\n",
(char*)cmd.param1);
ooSendConnect(pCall);
}
break;
case OO_CMD_FWDCALL:
OOTRACEINFO3("Forwarding call %s to %s\n", (char*)cmd.param1,
(char*)cmd.param2);
ooH323ForwardCall((char*)cmd.param1, (char*)cmd.param2);
break;
case OO_CMD_HANGCALL:
OOTRACEINFO3("Processing Hang call command %s with q931 cause %d\n",
(char*)cmd.param1, *(int *) cmd.param3);
ooH323HangCall((char*)cmd.param1,
*(OOCallClearReason*)cmd.param2, *(int *) cmd.param3);
break;
case OO_CMD_SENDDIGIT:
pCall = ooFindCallByToken((char*)cmd.param1);
if(!pCall) {
OOTRACEERR2("ERROR:Invalid calltoken %s\n",
(char*)cmd.param1);
break;
}
if(pCall->jointDtmfMode & OO_CAP_DTMF_H245_alphanumeric) {
ooSendH245UserInputIndication_alphanumeric(
pCall, (const char*)cmd.param2);
}
else if(pCall->jointDtmfMode & OO_CAP_DTMF_H245_signal) {
ooSendH245UserInputIndication_signal(
pCall, (const char*)cmd.param2);
}
else {
ooQ931SendDTMFAsKeyPadIE(pCall, (const char*)cmd.param2);
}
break;
case OO_CMD_STOPMONITOR:
OOTRACEINFO1("Processing StopMonitor command\n");
ooStopMonitorCalls();
break;
default: OOTRACEERR1("ERROR:Unknown command\n");
}
}
ast_free(cmd.param1);
ast_free(cmd.param2);
ast_free(cmd.param3);
}
return OO_OK;
}
int ooReadAndProcessCallStackCommand(OOH323CallData* call)
{
unsigned char buffer[MAXMSGLEN];
unsigned char *bPoint;
int recvLen = 0;
OOStackCommand cmd;
memset(&cmd, 0, sizeof(OOStackCommand));
if (call->CmdChanLock) {
ast_mutex_lock(call->CmdChanLock);
recvLen = read(call->cmdSock, buffer, MAXMSGLEN);
ast_mutex_unlock(call->CmdChanLock);
} else {
recvLen = read(call->cmdSock, buffer, MAXMSGLEN);
}
if(recvLen <= 0)
{
OOTRACEERR1("Error:Failed to read CMD message\n");
return OO_FAILED;
}
bPoint = buffer;
while (bPoint < buffer + recvLen - sizeof(OOStackCommand)) {
memcpy(&cmd, bPoint, sizeof(OOStackCommand));
bPoint += sizeof(OOStackCommand);
if (cmd.plen1 > 0) {
cmd.param1 = ast_malloc(cmd.plen1 + 1);
if (!cmd.param1)
return OO_FAILED;
memset(cmd.param1, 0, cmd.plen1 + 1);
memcpy(cmd.param1, bPoint, cmd.plen1);
bPoint += cmd.plen1;
}
if (cmd.plen2 > 0) {
cmd.param2 = ast_malloc(cmd.plen2 + 1);
if (!cmd.param2)
return OO_FAILED;
memset(cmd.param2, 0, cmd.plen2 + 1);
memcpy(cmd.param2, bPoint, cmd.plen2);
bPoint += cmd.plen2;
}
if (cmd.plen3 > 0) {
cmd.param3 = ast_malloc(cmd.plen3 + 1);
if (!cmd.param3)
return OO_FAILED;
memset(cmd.param3, 0, cmd.plen3 + 1);
memcpy(cmd.param3, bPoint, cmd.plen3);
bPoint += cmd.plen3;
}
if(cmd.type == OO_CMD_NOOP)
continue;
else {
switch(cmd.type) {
case OO_CMD_MAKECALL:
OOTRACEINFO2("Processing MakeCall command %s\n",
(char*)cmd.param2);
ooH323MakeCall ((char*)cmd.param1, (char*)cmd.param2,
(ooCallOptions*)cmd.param3);
break;
case OO_CMD_MANUALPROGRESS:
ooSendProgress(call);
break;
case OO_CMD_MANUALRINGBACK:
if(OO_TESTFLAG(gH323ep.flags, OO_M_MANUALRINGBACK))
{
ooSendAlerting(call);
if(OO_TESTFLAG(gH323ep.flags, OO_M_AUTOANSWER)) {
ooSendConnect(call);
}
}
break;
case OO_CMD_ANSCALL:
ooSendConnect(call);
break;
case OO_CMD_FWDCALL:
OOTRACEINFO3("Forwarding call %s to %s\n", (char*)cmd.param1,
(char*)cmd.param2);
ooH323ForwardCall((char*)cmd.param1, (char*)cmd.param2);
break;
case OO_CMD_HANGCALL:
OOTRACEINFO2("Processing Hang call command %s with q931 cause %d\n",
(char*)cmd.param1);
ooH323HangCall((char*)cmd.param1,
*(OOCallClearReason*)cmd.param2, *(int *) cmd.param3);
break;
case OO_CMD_SENDDIGIT:
if(call->jointDtmfMode & OO_CAP_DTMF_H245_alphanumeric) {
ooSendH245UserInputIndication_alphanumeric(
call, (const char*)cmd.param2);
}
else if(call->jointDtmfMode & OO_CAP_DTMF_H245_signal) {
ooSendH245UserInputIndication_signal(
call, (const char*)cmd.param2);
}
else {
ooQ931SendDTMFAsKeyPadIE(call, (const char*)cmd.param2);
}
break;
case OO_CMD_REQMODE:
OOTRACEINFO3("Processing RequestMode command %s, requested mode is %d\n",
(char *)cmd.param1, *(int *)cmd.param2);
ooSendRequestMode(call, *(int *)cmd.param2);
break;
case OO_CMD_SETANI:
OOTRACEINFO3("Processing SetANI command %s, ani is %s\n",
(char *)cmd.param1, (char *)cmd.param2);
if(cmd.param2) {
strncpy(call->ourCallerId, cmd.param2, sizeof(call->ourCallerId)-1);
call->ourCallerId[sizeof(call->ourCallerId)-1] = '\0';
}
break;
case OO_CMD_UPDLC:
OOTRACEINFO4("Processing UpdLC command %s, localIP is %s, port is %d\n",
(char *)cmd.param1, (char *)cmd.param2, *(int *)cmd.param3);
if (cmd.param2) {
ooUpdateAllLogicalChannels(call, (char *)cmd.param2, *(int *)cmd.param3);
}
break;
default: OOTRACEERR1("ERROR:Unknown command\n");
}
}
if (cmd.param1) {
ast_free(cmd.param1);
}
if (cmd.param2) {
ast_free(cmd.param2);
}
if (cmd.param3) {
ast_free(cmd.param3);
}
}
return OO_OK;
}