renderfarmclient.h

Go to the documentation of this file.

#ifndef RENDERFARMCLIENT_H
#define RENDERFARMCLIENT_H

#include "arraylist.h"
#include "asset.inc"
#include "defaults.inc"
#include "edl.inc"
#include "packagerenderer.h"
#include "pluginserver.inc"
#include "preferences.inc"
#include "renderfarmclient.inc"
//#include "renderfarmfsclient.inc"
#include "thread.h"

// The render client waits for connections from the server.
// Then it starts a thread for each connection.
class RenderFarmClient
{
public:
        RenderFarmClient(int port, 
                char *deamon_path, 
                int nice_value,
                char *config_path);
        ~RenderFarmClient();
        
        void main_loop();
        

// After a socket times out, kill the render node.
        void kill_client();
        
        RenderFarmClientThread *thread;
        
        int port;
        char *deamon_path;
// PID to be returned to background render object
        int this_pid;
// The plugin paths must be known before any threads are started
        Defaults *boot_defaults;
        Preferences *boot_preferences;
        ArrayList<PluginServer*> *plugindb;
};

// When a connection is opened, the thread forks to handle the rendering session.
// A fork instead of a thread is used to avoid reentrancy problems with the
// codecs, but we still need a thread to join the process.
//
// The fork requests jobs from the server until the job table is empty
// or the server reports an error.  This fork must poll the server
// after every frame for the error status.
// Detaches when finished.
class RenderFarmClientThread : Thread
{
public:
        RenderFarmClientThread(RenderFarmClient *client);
        ~RenderFarmClientThread();

// Commands call this to send the request packet.
// The ID of the request followed by the size of the data that follows is sent.
        int send_request_header(int request, 
                int len);
        int write_socket(char *data, int len, int timeout);
        int read_socket(char *data, int len, int timeout);
        void abort();
        void read_string(int socket_fd, char* &string);
        void lock(char *location);
        void unlock();





        void RenderFarmClientThread::read_preferences(int socket_fd, 
                Preferences *preferences);
        void read_asset(int socket_fd, Asset *asset);
        void read_edl(int socket_fd, 
                EDL *edl, 
                Preferences *preferences);
        int read_package(int socket_fd, RenderPackage *package);
        int send_completion(int socket_fd);

        void main_loop(int socket_fd);
        void run();

// Everything must be contained in run()
        int socket_fd;
// Read only
        RenderFarmClient *client;
//      RenderFarmFSClient *fs_client;
        double frames_per_second;
        Mutex *mutex_lock;
};












class FarmPackageRenderer : public PackageRenderer
{
public:
        FarmPackageRenderer(RenderFarmClientThread *thread,
                int socket_fd);
        ~FarmPackageRenderer();
        
        
        int get_result();
        void set_result(int value);
        void set_progress(int64_t total_samples);
        int set_video_map(int64_t position, int value);

        
        int socket_fd;
        RenderFarmClientThread *thread;
};









#endif

---