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remotepluginclient.cpp
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/* dssi-vst: a DSSI plugin wrapper for VST effects and instruments
Copyright 2004-2007 Chris Cannam
This file is part of linvst.
linvst is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include "remotepluginclient.h"
#include <sys/mman.h>
#include <sys/types.h>
#include <sys/time.h>
#include <sys/stat.h>
#include <sys/poll.h>
#include <fcntl.h>
#include <time.h>
#include <iostream>
#include <errno.h>
#include "paths.h"
#ifdef XEMBED
#define XEMBED_EMBEDDED_NOTIFY 0
#define XEMBED_FOCUS_OUT 5
#endif
void* RemotePluginClient::AMThread()
{
int opcode;
int val;
int idx;
float optval;
int retval;
int ok = 1;
int timeout = 50;
VstTimeInfo *timeInfo;
int els;
int *ptr2;
int sizeidx = 0;
int size;
VstEvents *evptr;
struct amessage
{
int flags;
int pcount;
int parcount;
int incount;
int outcount;
int delay;
} am;
#ifdef EMBED
#ifdef EMBEDRESIZE
#define resizegui 123456789
#endif
#endif
while (!m_threadbreak)
{
#ifdef SEM
if(m_386run == 0)
{
timespec ts_timeout;
clock_gettime(CLOCK_REALTIME, &ts_timeout);
time_t seconds = timeout / 1000;
ts_timeout.tv_sec += seconds;
ts_timeout.tv_nsec += (timeout - seconds * 1000) * 1000000;
if (ts_timeout.tv_nsec >= 1000000000) {
ts_timeout.tv_nsec -= 1000000000;
ts_timeout.tv_sec++;
}
if (sem_timedwait(&m_shmControl->runServer, &ts_timeout)) {
if (errno == ETIMEDOUT) {
continue;
} else {
if(m_inexcept == 0)
RemotePluginClosedException();
}
}
}
else
{
if (fwait(&m_shmControl->runServer386, timeout)) {
if (errno == ETIMEDOUT) {
continue;
} else {
if(m_inexcept == 0)
RemotePluginClosedException();
}
}
}
#else
if (fwait(&m_shmControl->runServer, timeout)) {
if (errno == ETIMEDOUT) {
continue;
} else {
if(m_inexcept == 0)
RemotePluginClosedException();
}
}
#endif
while (dataAvailable(&m_shmControl->ringBuffer)) {
if(m_threadbreak)
break;
opcode = -1;
tryReadring(&m_shmControl->ringBuffer, &opcode, sizeof(int));
switch(opcode)
{
case audioMasterGetTime:
val = readIntring(&m_shmControl->ringBuffer);
timeInfo = (VstTimeInfo *) m_audioMaster(theEffect, audioMasterGetTime, 0, val, 0, 0);
memcpy((VstTimeInfo*)&m_shm3[FIXED_SHM_SIZE3 - 8192], timeInfo, sizeof(VstTimeInfo));
break;
case audioMasterIOChanged:
memcpy(&am, &m_shm3[FIXED_SHM_SIZE3], sizeof(am));
theEffect->flags = am.flags;
theEffect->numPrograms = am.pcount;
theEffect->numParams = am.parcount;
theEffect->numInputs = am.incount;
theEffect->numOutputs = am.outcount;
theEffect->initialDelay = am.delay;
// m_updateio = 1;
m_audioMaster(theEffect, audioMasterIOChanged, 0, 0, 0, 0);
break;
case audioMasterProcessEvents:
val = readIntring(&m_shmControl->ringBuffer);
ptr2 = (int *)m_shm3;
els = *ptr2;
sizeidx = sizeof(int);
if (els > VSTSIZE)
els = VSTSIZE;
evptr = &vstev[0];
evptr->numEvents = els;
evptr->reserved = 0;
for (int i = 0; i < els; i++)
{
VstEvent* bsize = (VstEvent*) &m_shm3[sizeidx];
size = bsize->byteSize + (2*sizeof(VstInt32));
evptr->events[i] = bsize;
sizeidx += size;
}
m_audioMaster(theEffect, audioMasterProcessEvents, 0, val, evptr, 0);
break;
case audioMasterAutomate:
idx = readIntring(&m_shmControl->ringBuffer);
optval = readFloatring(&m_shmControl->ringBuffer);
m_audioMaster(theEffect, audioMasterAutomate, idx, 0, 0, optval);
break;
case audioMasterGetAutomationState:
retval = 0;
retval = m_audioMaster(theEffect, audioMasterGetAutomationState, 0, 0, 0, 0);
memcpy(&retval, &m_shm3[FIXED_SHM_SIZE3], sizeof(int));
break;
case audioMasterBeginEdit:
idx = readIntring(&m_shmControl->ringBuffer);
m_audioMaster(theEffect, audioMasterBeginEdit, idx, 0, 0, 0);
break;
case audioMasterEndEdit:
idx = readIntring(&m_shmControl->ringBuffer);
m_audioMaster(theEffect, audioMasterEndEdit, idx, 0, 0, 0);
break;
case audioMasterGetInputLatency:
retval = 0;
retval = m_audioMaster(theEffect, audioMasterGetInputLatency, 0, 0, 0, 0);
memcpy(&retval, &m_shm3[FIXED_SHM_SIZE3], sizeof(int));
break;
case audioMasterGetOutputLatency:
retval = 0;
retval = m_audioMaster(theEffect, audioMasterGetOutputLatency, 0, 0, 0, 0);
memcpy(&retval, &m_shm3[FIXED_SHM_SIZE3], sizeof(int));
break;
case audioMasterGetSampleRate:
retval = 0;
retval = m_audioMaster(theEffect, audioMasterGetSampleRate, 0, 0, 0, 0);
memcpy(&retval, &m_shm3[FIXED_SHM_SIZE3], sizeof(int));
break;
case audioMasterGetBlockSize:
retval = 0;
retval = m_audioMaster(theEffect, audioMasterGetBlockSize, 0, 0, 0, 0);
memcpy(&retval, &m_shm3[FIXED_SHM_SIZE3], sizeof(int));
break;
#ifdef EMBED
#ifdef EMBEDRESIZE
case resizegui:
retRect.right = readIntring(&m_shmControl->ringBuffer);
retRect.bottom = readIntring(&m_shmControl->ringBuffer);
retRect.left = 0;
retRect.top = 0;
width = retRect.right;
height = retRect.bottom;
if(display && parent && child)
{
mapped = 0;
XUnmapWindow(display, child);
XResizeWindow(display, parent, width, height);
XMoveResizeWindow(display, child, 0, 0, width, height);
XMapWindow(display, child);
XSync(display, false);
XFlush(display);
mapped = 1;
}
break;
#endif
#endif
default:
break;
}
}
#ifdef SEM
if(m_386run == 0)
{
if (sem_post(&m_shmControl->runClient)) {
std::cerr << "Could not post to semaphore\n";
}
}
else
{
if (fpost(&m_shmControl->runClient386)) {
std::cerr << "Could not post to semaphore\n";
}
}
#else
if (fpost(&m_shmControl->runClient)) {
std::cerr << "Could not post to semaphore\n";
}
#endif
}
// m_threadbreakexit = 1;
// pthread_exit(0);
return 0;
}
#ifdef EMBED
#ifdef XEMBED
#ifdef EMBEDTHREAD
#define XEMBED_EMBEDDED_NOTIFY 0
#define XEMBED_FOCUS_OUT 5
void sendXembedMessage(Display* display, Window window, long message, long detail,
long data1, long data2)
{
XEvent event;
memset(&event, 0, sizeof(event));
event.xclient.type = ClientMessage;
event.xclient.window = window;
event.xclient.message_type = XInternAtom(display, "_XEMBED", false);
event.xclient.format = 32;
event.xclient.data.l[0] = CurrentTime;
event.xclient.data.l[1] = message;
event.xclient.data.l[2] = detail;
event.xclient.data.l[3] = data1;
event.xclient.data.l[4] = data2;
XSendEvent(display, window, false, NoEventMask, &event);
// XSync(display, false);
}
#endif
#endif
#endif
#ifdef EMBED
#ifdef EMBEDTHREAD
void* RemotePluginClient::EMBEDThread()
{
int embedcount = 0;
while (!m_threadbreak)
{
usleep(10000);
if(runembed == 1)
{
embedcount++;
}
#ifdef XEMBED
if((runembed == 1) && (embedcount == 40))
#else
if((runembed == 1) && (embedcount == 20))
#endif
{
#ifdef XEMBED
XReparentWindow(display, child, parent, 0, 0);
// usleep(250000);
sendXembedMessage(display, child, XEMBED_EMBEDDED_NOTIFY, 0, parent, 0);
// usleep(250000);
XMapWindow(display, child);
XSync(display, false);
XFlush(display);
usleep(250000);
openGUI();
runembed = 0;
embedcount = 0;
XCloseDisplay(display);
display = 0;
#else
XReparentWindow(display, child, parent, 0, 0);
XMoveResizeWindow(display, child, 0, 0, width, height);
XMapWindow(display, child);
XSync(display, false);
XFlush(display);
// usleep(100000);
openGUI();
runembed = 0;
embedcount = 0;
#endif
}
}
return 0;
}
#endif
#endif
RemotePluginClient::RemotePluginClient(audioMasterCallback theMaster) :
m_audioMaster(theMaster),
m_shmFd(-1),
m_shmFd2(-1),
m_shmFd3(-1),
m_AMThread(0),
#ifdef EMBED
#ifdef EMBEDTHREAD
m_EMBEDThread(0),
runembed(0),
#endif
#endif
m_threadinit(0),
m_threadbreak(0),
m_threadbreakexit(0),
m_updateio(0),
m_shmFileName(0),
m_shm(0),
m_shmSize(0),
m_shmFileName2(0),
m_shm2(0),
m_shmSize2(0),
m_shmFileName3(0),
m_shm3(0),
m_shmSize3(0),
m_shmControlFd(-1),
m_shmControl(0),
m_shmControlFileName(0),
m_shmControl2Fd(-1),
m_shmControl2(0),
m_shmControl2FileName(0),
m_shmControl3Fd(-1),
m_shmControl3(0),
m_shmControl3FileName(0),
m_shmControl4Fd(-1),
m_shmControl4(0),
m_shmControl4FileName(0),
m_shmControl5Fd(-1),
m_shmControl5(0),
m_shmControl5FileName(0),
m_bufferSize(-1),
m_numInputs(-1),
m_numOutputs(-1),
m_inexcept(0),
m_finishaudio(0),
m_runok(0),
m_syncok(0),
m_386run(0),
reaperid(0),
#ifdef EMBED
child(0),
parent(0),
display(0),
handle(0),
width(0),
height(0),
displayerr(0),
#ifndef XEMBED
#ifdef EMBEDDRAG
x11_win(0),
pparent(0),
root(0),
children(0),
numchildren(0),
parentok(0),
#endif
eventrun(0),
mapped(0),
#endif
#endif
theEffect(0)
{
char tmpFileBase[60];
srand(time(NULL));
sprintf(tmpFileBase, "/vstrplugin_shm_XXXXXX");
m_shmFd = shm_mkstemp(tmpFileBase);
if (m_shmFd < 0)
{
cleanup();
throw((std::string)"Failed to open or create shared memory file");
}
m_shmFileName = strdup(tmpFileBase);
sprintf(tmpFileBase, "/vstrplugin_shn_XXXXXX");
m_shmFd2 = shm_mkstemp(tmpFileBase);
if (m_shmFd2 < 0)
{
cleanup();
throw((std::string)"Failed to open or create shared memory file");
}
m_shmFileName2 = strdup(tmpFileBase);
sprintf(tmpFileBase, "/vstrplugin_sho_XXXXXX");
m_shmFd3 = shm_mkstemp(tmpFileBase);
if (m_shmFd3 < 0)
{
cleanup();
throw((std::string)"Failed to open or create shared memory file");
}
m_shmFileName3 = strdup(tmpFileBase);
sprintf(tmpFileBase, "/vstrplugin_sha_XXXXXX");
m_shmControlFd = shm_mkstemp(tmpFileBase);
if (m_shmControlFd < 0) {
cleanup();
throw((std::string)"Failed to open or create shared memory file");
}
m_shmControlFileName = strdup(tmpFileBase);
ftruncate(m_shmControlFd, sizeof(ShmControl));
m_shmControl = static_cast<ShmControl *>(mmap(0, sizeof(ShmControl), PROT_READ | PROT_WRITE, MAP_SHARED, m_shmControlFd, 0));
if (!m_shmControl) {
cleanup();
throw((std::string)"Failed to mmap shared memory file");
}
memset(m_shmControl, 0, sizeof(ShmControl));
if(mlock(m_shmControl, sizeof(ShmControl)) != 0)
perror("mlock fail4");
#ifdef SEM
if(m_386run == 0)
{
if (sem_init(&m_shmControl->runServer, 1, 0)) {
throw((std::string)"Failed to initialize shared memory semaphore");
}
if (sem_init(&m_shmControl->runClient, 1, 0)) {
throw((std::string)"Failed to initialize shared memory semaphore");
}
}
#endif
sprintf(tmpFileBase, "/vstrplugin_shb_XXXXXX");
m_shmControl2Fd = shm_mkstemp(tmpFileBase);
if (m_shmControl2Fd < 0) {
cleanup();
throw((std::string)"Failed to open or create shared memory file");
}
m_shmControl2FileName = strdup(tmpFileBase);
ftruncate(m_shmControl2Fd, sizeof(ShmControl));
m_shmControl2 = static_cast<ShmControl *>(mmap(0, sizeof(ShmControl), PROT_READ | PROT_WRITE, MAP_SHARED, m_shmControl2Fd, 0));
if (!m_shmControl2) {
cleanup();
throw((std::string)"Failed to mmap shared memory file");
}
memset(m_shmControl2, 0, sizeof(ShmControl));
if(mlock(m_shmControl2, sizeof(ShmControl)) != 0)
perror("mlock fail4");
#ifdef SEM
if(m_386run == 0)
{
if (sem_init(&m_shmControl2->runServer, 1, 0)) {
throw((std::string)"Failed to initialize shared memory semaphore");
}
if (sem_init(&m_shmControl2->runClient, 1, 0)) {
throw((std::string)"Failed to initialize shared memory semaphore");
}
}
#endif
sprintf(tmpFileBase, "/vstrplugin_shc_XXXXXX");
m_shmControl3Fd = shm_mkstemp(tmpFileBase);
if (m_shmControl3Fd < 0) {
cleanup();
throw((std::string)"Failed to open or create shared memory file");
}
m_shmControl3FileName = strdup(tmpFileBase);
ftruncate(m_shmControl3Fd, sizeof(ShmControl));
m_shmControl3 = static_cast<ShmControl *>(mmap(0, sizeof(ShmControl), PROT_READ | PROT_WRITE, MAP_SHARED, m_shmControl3Fd, 0));
if (!m_shmControl3) {
cleanup();
throw((std::string)"Failed to mmap shared memory file");
}
memset(m_shmControl3, 0, sizeof(ShmControl));
if(mlock(m_shmControl3, sizeof(ShmControl)) != 0)
perror("mlock fail4");
#ifdef SEM
if(m_386run == 0)
{
if (sem_init(&m_shmControl3->runServer, 1, 0)) {
throw((std::string)"Failed to initialize shared memory semaphore");
}
if (sem_init(&m_shmControl3->runClient, 1, 0)) {
throw((std::string)"Failed to initialize shared memory semaphore");
}
}
#endif
sprintf(tmpFileBase, "/vstrplugin_shd_XXXXXX");
m_shmControl4Fd = shm_mkstemp(tmpFileBase);
if (m_shmControl4Fd < 0) {
cleanup();
throw((std::string)"Failed to open or create shared memory file");
}
m_shmControl4FileName = strdup(tmpFileBase);
ftruncate(m_shmControl4Fd, sizeof(ShmControl));
m_shmControl4 = static_cast<ShmControl *>(mmap(0, sizeof(ShmControl), PROT_READ | PROT_WRITE, MAP_SHARED, m_shmControl4Fd, 0));
if (!m_shmControl4) {
cleanup();
throw((std::string)"Failed to mmap shared memory file");
}
memset(m_shmControl4, 0, sizeof(ShmControl));
if(mlock(m_shmControl4, sizeof(ShmControl)) != 0)
perror("mlock fail4");
#ifdef SEM
if(m_386run == 0)
{
if (sem_init(&m_shmControl4->runServer, 1, 0)) {
throw((std::string)"Failed to initialize shared memory semaphore");
}
if (sem_init(&m_shmControl4->runClient, 1, 0)) {
throw((std::string)"Failed to initialize shared memory semaphore");
}
}
#endif
sprintf(tmpFileBase, "/vstrplugin_she_XXXXXX");
m_shmControl5Fd = shm_mkstemp(tmpFileBase);
if (m_shmControl5Fd < 0) {
cleanup();
throw((std::string)"Failed to open or create shared memory file");
}
m_shmControl5FileName = strdup(tmpFileBase);
ftruncate(m_shmControl5Fd, sizeof(ShmControl));
m_shmControl5 = static_cast<ShmControl *>(mmap(0, sizeof(ShmControl), PROT_READ | PROT_WRITE, MAP_SHARED, m_shmControl5Fd, 0));
if (!m_shmControl5) {
cleanup();
throw((std::string)"Failed to mmap shared memory file");
}
memset(m_shmControl5, 0, sizeof(ShmControl));
if(mlock(m_shmControl5, sizeof(ShmControl)) != 0)
perror("mlock fail4");
#ifdef SEM
if(m_386run == 0)
{
if (sem_init(&m_shmControl5->runServer, 1, 0)) {
throw((std::string)"Failed to initialize shared memory semaphore");
}
if (sem_init(&m_shmControl5->runClient, 1, 0)) {
throw((std::string)"Failed to initialize shared memory semaphore");
}
}
#endif
sizeShm();
}
RemotePluginClient::~RemotePluginClient()
{
/*
m_threadbreak = 1;
m_threadbreakexit = 1;
*/
if (theEffect)
delete theEffect;
cleanup();
}
void RemotePluginClient::syncStartup()
{
int startok;
int *ptr;
startok = 0;
ptr = (int *)m_shm;
for (int i=0;i<2000;i++)
{
usleep(10000);
if (*ptr == 1)
{
startok = 1;
break;
}
}
if(startok == 0)
{
cleanup();
throw((std::string)"Remote plugin did not start correctly");
}
if(m_386run == 1)
{
*ptr = 3;
}
else
{
*ptr = 2;
}
theEffect = new AEffect;
m_syncok = 1;
}
void RemotePluginClient::cleanup()
{
/*
if (m_shm)
for (int i=0;i<1000;i++)
{
usleep(10000);
if (m_threadbreakexit)
break;
}
*/
if (m_AMThread)
pthread_join(m_AMThread, NULL);
#ifdef EMBED
#ifdef EMBEDTHREAD
if (m_EMBEDThread)
pthread_join(m_EMBEDThread, NULL);
#endif
#endif
if (m_shm)
{
munmap(m_shm, m_shmSize);
m_shm = 0;
}
if (m_shm2)
{
munmap(m_shm2, m_shmSize2);
m_shm2 = 0;
}
if (m_shm3)
{
munmap(m_shm3, m_shmSize3);
m_shm3 = 0;
}
if (m_shmFd >= 0)
{
close(m_shmFd);
m_shmFd = -1;
}
if (m_shmFd2 >= 0)
{
close(m_shmFd2);
m_shmFd2 = -1;
}
if (m_shmFd3 >= 0)
{
close(m_shmFd3);
m_shmFd3 = -1;
}
if (m_shmFileName)
{
shm_unlink(m_shmFileName);
free(m_shmFileName);
m_shmFileName = 0;
}
if (m_shmFileName2)
{
shm_unlink(m_shmFileName2);
free(m_shmFileName2);
m_shmFileName2 = 0;
}
if (m_shmFileName3)
{
shm_unlink(m_shmFileName3);
free(m_shmFileName3);
m_shmFileName3 = 0;
}
if (m_shmControl) {
munmap(m_shmControl, sizeof(ShmControl));
m_shmControl = 0;
}
if (m_shmControlFd >= 0) {
close(m_shmControlFd);
m_shmControlFd = -1;
}
if (m_shmControlFileName) {
shm_unlink(m_shmControlFileName);
free(m_shmControlFileName);
m_shmControlFileName = 0;
}
if (m_shmControl2) {
munmap(m_shmControl2, sizeof(ShmControl));
m_shmControl2 = 0;
}
if (m_shmControl2Fd >= 0) {
close(m_shmControl2Fd);
m_shmControl2Fd = -1;
}
if (m_shmControl2FileName) {
shm_unlink(m_shmControl2FileName);
free(m_shmControl2FileName);
m_shmControl2FileName = 0;
}
if (m_shmControl3) {
munmap(m_shmControl3, sizeof(ShmControl));
m_shmControl3 = 0;
}
if (m_shmControl3Fd >= 0) {
close(m_shmControl3Fd);
m_shmControl3Fd = -1;
}
if (m_shmControl3FileName) {
shm_unlink(m_shmControl3FileName);
free(m_shmControl3FileName);
m_shmControl3FileName = 0;
}
if (m_shmControl4) {
munmap(m_shmControl4, sizeof(ShmControl));
m_shmControl4 = 0;
}
if (m_shmControl4Fd >= 0) {
close(m_shmControl4Fd);
m_shmControl4Fd = -1;
}
if (m_shmControl4FileName) {
shm_unlink(m_shmControl4FileName);
free(m_shmControl4FileName);
m_shmControl4FileName = 0;
}
if (m_shmControl5) {
munmap(m_shmControl5, sizeof(ShmControl));
m_shmControl5 = 0;
}
if (m_shmControl5Fd >= 0) {
close(m_shmControl5Fd);
m_shmControl5Fd = -1;
}
if (m_shmControl5FileName) {
shm_unlink(m_shmControl5FileName);
free(m_shmControl5FileName);
m_shmControl5FileName = 0;
}
}
std::string RemotePluginClient::getFileIdentifiers()
{
std::string id;
id += m_shmFileName + strlen(m_shmFileName) - 6;
id += m_shmFileName2 + strlen(m_shmFileName2) - 6;
id += m_shmFileName3 + strlen(m_shmFileName3) - 6;
id += m_shmControlFileName + strlen(m_shmControlFileName) - 6;
id += m_shmControl2FileName + strlen(m_shmControl2FileName) - 6;
id += m_shmControl3FileName + strlen(m_shmControl3FileName) - 6;
id += m_shmControl4FileName + strlen(m_shmControl4FileName) - 6;
id += m_shmControl5FileName + strlen(m_shmControl5FileName) - 6;
// std::cerr << "Returning file identifiers: " << id << std::endl;
return id;
}
void RemotePluginClient::sizeShm()
{
if (m_shm)
return;
size_t sz = FIXED_SHM_SIZE + 1024;
size_t sz2 = FIXED_SHM_SIZE2 + 1024;
size_t sz3 = FIXED_SHM_SIZE3 + 1024;
ftruncate(m_shmFd, sz);
m_shm = (char *)mmap(0, sz, PROT_READ | PROT_WRITE, MAP_SHARED, m_shmFd, 0);
if (!m_shm)
{
std::cerr << "RemotePluginClient::sizeShm: ERROR: mmap or mremap failed for " << sz
<< " bytes from fd " << m_shmFd << "!" << std::endl;
m_shmSize = 0;
}
else
{
memset(m_shm, 0, sz);
m_shmSize = sz;
if(mlock(m_shm, sz) != 0)
perror("mlock fail1");
}
ftruncate(m_shmFd2, sz2);
m_shm2 = (char *)mmap(0, sz2, PROT_READ | PROT_WRITE, MAP_SHARED, m_shmFd2, 0);
if (!m_shm2)
{
std::cerr << "RemotePluginClient::sizeShm: ERROR: mmap or mremap failed for " << sz2
<< " bytes from fd " << m_shmFd2 << "!" << std::endl;
m_shmSize2 = 0;
}
else
{
memset(m_shm2, 0, sz2);
m_shmSize2 = sz2;
if(mlock(m_shm2, sz2) != 0)
perror("mlock fail2");
}
ftruncate(m_shmFd3, sz3);
m_shm3 = (char *)mmap(0, sz3, PROT_READ | PROT_WRITE, MAP_SHARED, m_shmFd3, 0);
if (!m_shm3)
{
std::cerr << "RemotePluginClient::sizeShm: ERROR: mmap or mremap failed for " << sz3
<< " bytes from fd " << m_shmFd3 << "!" << std::endl;
m_shmSize3 = 0;
}
else
{
memset(m_shm3, 0, sz3);
m_shmSize3 = sz3;
if(mlock(m_shm3, sz3) != 0)
perror("mlock fail3");
}
m_threadbreak = 0;
// m_threadbreakexit = 0;
}
float RemotePluginClient::getVersion()
{
writeOpcodering(&m_shmControl5->ringBuffer, RemotePluginGetVersion);
commitWrite(&m_shmControl5->ringBuffer);
waitForServer5();
return readFloat(&m_shm[FIXED_SHM_SIZE]);
}
int RemotePluginClient::getUID()
{
writeOpcodering(&m_shmControl5->ringBuffer, RemotePluginUniqueID);
commitWrite(&m_shmControl5->ringBuffer);
waitForServer5();
return readInt(&m_shm[FIXED_SHM_SIZE]);
}
std::string RemotePluginClient::getName()
{
writeOpcodering(&m_shmControl5->ringBuffer, RemotePluginGetName);
commitWrite(&m_shmControl5->ringBuffer);
waitForServer5();
return readString(&m_shm[FIXED_SHM_SIZE]);
}
std::string RemotePluginClient::getMaker()
{
writeOpcodering(&m_shmControl5->ringBuffer, RemotePluginGetMaker);
commitWrite(&m_shmControl5->ringBuffer);
waitForServer5();
return readString(&m_shm[FIXED_SHM_SIZE]);
}
void RemotePluginClient::setBufferSize(int s)
{
if (s <= 0)
return;
if (s == m_bufferSize)
return;
m_bufferSize = s;
writeOpcodering(&m_shmControl5->ringBuffer, RemotePluginSetBufferSize);
writeIntring(&m_shmControl5->ringBuffer, s);
commitWrite(&m_shmControl5->ringBuffer);
waitForServer5();
}
void RemotePluginClient::setSampleRate(int s)
{
writeOpcodering(&m_shmControl5->ringBuffer, RemotePluginSetSampleRate);
writeIntring(&m_shmControl5->ringBuffer, s);
commitWrite(&m_shmControl5->ringBuffer);
waitForServer5();
}
void RemotePluginClient::reset()
{
writeOpcodering(&m_shmControl5->ringBuffer, RemotePluginReset);
if (m_shmSize > 0)
{
memset(m_shm, 0, m_shmSize);
memset(m_shm2, 0, m_shmSize2);
memset(m_shm3, 0, m_shmSize3);
}
commitWrite(&m_shmControl5->ringBuffer);
waitForServer5();
}
void RemotePluginClient::terminate()