Chris@2: 
Chris@2: #include <iostream>
Chris@2: #include <dlfcn.h>
Chris@2: 
Chris@2: using namespace std;
Chris@2: 
Chris@8: int main(int, char **)
Chris@2: {
Chris@2:     string example = "./example.so";
Chris@2:     
Chris@2:     void *lib = dlopen(example.c_str(), RTLD_LAZY | RTLD_LOCAL);
Chris@2:     if (!lib) {
Chris@2: 	cerr << "failed to open " + example + ": " << dlerror() << endl;
Chris@2: 	return 1;
Chris@2:     }
Chris@2: 
Chris@2:     typedef const char *(*RequestFn)(const char *);
Chris@2:     RequestFn reqFn = (RequestFn)dlsym(lib, "vampipeRequestJson");
Chris@2:     if (!reqFn) {
Chris@2: 	cerr << "failed to find request function in " +
Chris@2: 	    example + ": " << dlerror() << endl;
Chris@2: 	return 1;
Chris@2:     }
Chris@2:     
Chris@2:     typedef void (*FreeFn)(const char *);
Chris@2:     FreeFn freeFn = (FreeFn)dlsym(lib, "vampipeFreeJson");
Chris@2:     if (!freeFn) {
Chris@2: 	cerr << "failed to find free function in " +
Chris@2: 	    example + ": " << dlerror() << endl;
Chris@2: 	return 1;
Chris@2:     }
Chris@2: 
Chris@2:     string listRequest = "{\"type\": \"list\"}";
Chris@2:     const char *listResponse = reqFn(listRequest.c_str());
Chris@2:     cout << listResponse << endl;
Chris@2:     freeFn(listResponse);
Chris@4: 
Chris@8:     string loadRequest = "{\"type\":\"load\",\"content\": {\"pluginKey\":\"vamp-example-plugins:powerspectrum\",\"inputSampleRate\":44100,\"adapterFlags\":[\"AdaptAllSafe\"]}}";
Chris@4:     const char *loadResponse = reqFn(loadRequest.c_str());
Chris@4:     cout << loadResponse << endl;
Chris@4:     freeFn(loadResponse);
Chris@8: 
Chris@8:     string configRequest = "{\"type\":\"configure\",\"content\":{\"pluginHandle\":1,\"configuration\":{\"blockSize\":8,\"channelCount\":1,\"stepSize\":8}}}";
Chris@8:     const char *configResponse = reqFn(configRequest.c_str());
Chris@8:     cout << configResponse << endl;
Chris@8:     freeFn(configResponse);
Chris@8: 
Chris@8:     string processRequest = "{\"type\":\"process\",\"content\":{\"pluginHandle\":1,\"processInput\":{\"timestamp\":{\"s\":0,\"n\":0},\"inputBuffers\":[{\"values\":[0,1,0,-1,0,1,0,-1]}]}}}";
Chris@8:     const char *processResponse = reqFn(processRequest.c_str());
Chris@8:     cout << processResponse << endl;
Chris@8:     freeFn(processResponse);
Chris@8:     
Chris@8:     string finishRequest = "{\"type\":\"finish\",\"content\":{\"pluginHandle\":1}}";
Chris@8:     const char *finishResponse = reqFn(finishRequest.c_str());
Chris@8:     cout << finishResponse << endl;
Chris@8:     freeFn(finishResponse);
Chris@8:     
Chris@2: }
Chris@2: