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/*
* This program 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 2 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 Library General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Copyright (C) 2014 Simon Newton
*/
//! [Streaming Client Plugin] NOLINT(whitespace/comments)
#include <dlfcn.h>
#include <ola/client/StreamingClient.h>
#include <ola/DmxBuffer.h>
#include <ola/client/Module.h>
#include <iostream>
using std::cout;
using std::endl;
/**
* @brief Load a symbol.
*/
template <typename FunctionType>
FunctionType LoadSymbol(void *module, const char *symbol) {
FunctionType ptr = reinterpret_cast<FunctionType>(dlsym(module, symbol));
if (!ptr) {
cout << "Failed to find " << symbol << " " << dlerror() << endl;
}
return ptr;
}
int main() {
ola::client::StreamingClientInterface *client = NULL;
// Adjust to suit.
void *module = dlopen("/usr/local/lib/libola.dylib", RTLD_NOW);
// void *module = dlopen("/usr/local/lib/libola.so", RTLD_NOW);
if (!module) {
cout << "Failed to load" << dlerror() << endl;
return -1;
}
ola_new_streaming_client_t *new_client_ptr =
LoadSymbol<ola_new_streaming_client_t*>(module, OLA_NEW_STREAMING_CLIENT);
ola_delete_streaming_client_t *delete_client_ptr =
LoadSymbol<ola_delete_streaming_client_t*>(
module, OLA_DELETE_STREAMING_CLIENT);
ola_new_dmxbuffer_t *new_buffer_ptr =
LoadSymbol<ola_new_dmxbuffer_t*>(module, OLA_NEW_DMXBUFFER);
ola_delete_dmxbuffer_t *delete_buffer_ptr =
LoadSymbol<ola_delete_dmxbuffer_t*>(module, OLA_DELETE_DMXBUFFER);
ola_set_dmxbuffer_t *set_buffer_ptr =
LoadSymbol<ola_set_dmxbuffer_t*>(module, OLA_SET_DMXBUFFER);
if (!(new_client_ptr && delete_client_ptr && new_buffer_ptr &&
delete_buffer_ptr && set_buffer_ptr)) {
return -1;
}
ola::client::StreamingClient::Options options;
client = new_client_ptr(options);
cout << "Setup() returned: " << client->Setup() << endl;
ola::DmxBuffer *buffer = new_buffer_ptr();
// Now actually send the DMX
uint8_t data[] = {1, 2, 3};
set_buffer_ptr(buffer, data, sizeof(data));
const unsigned int universe = 1;
client->SendDMX(universe, *buffer, ola::client::StreamingClient::SendArgs());
client->Stop();
delete_buffer_ptr(buffer);
delete_client_ptr(client);
if (module) {
dlclose(module);
}
}
//! [Streaming Client Plugin] NOLINT(whitespace/comments)
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