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The VisAO Camera
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The VisAO Camera
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a class for serving frames over UDP. More...
#include <frameserver.h>
Inheritance diagram for VisAO::frameserver:Public Member Functions | |
| frameserver (int argc, char **argv) throw (AOException) | |
| frameserver (std::string name, const std::string &conffile) throw (AOException) | |
| int | Create () |
| int | setPingFifoPath (std::string &) |
| std::string | getPingFifoPath () |
| int | setRemoteIp (std::string &) |
| std::string | getRemoteIp () |
| int | setLocalPort (int) |
| int | getLocalPort () |
| int | setRemotePort (int) |
| int | getRemotePort () |
| int | set_sharedim_stack (sharedim_stackS *) |
| sharedim_stackS * | get_sharedim_stack () |
| int | set_shmem_key (int sk) |
| int | get_shmem_key () |
| int | connect_shmem () |
| int | set_sim (sharedimS s) |
| sharedimS | get_sim () |
| int | get_total_skipped () |
| virtual int | Run () |
| The application main loop, to be re-implemented in derived classes. | |
| int | send_frame () |
| Send the frame, packet by packet, as if we're a BCU 47. More... | |
| Public Member Functions inherited from VisAO::VisAOApp_standalone | |
| VisAOApp_standalone () throw (AOException) | |
| Default constructor. | |
| VisAOApp_standalone (string name, int id, int logLevel=Logger::LOG_LEV_INFO) throw (AOException) | |
| Complicated constructor. | |
| void | set_conffile (std::string name) throw (AOException) |
| VisAOApp_standalone (std::string name, const std::string &conffile) throw (AOException) | |
| Config file constructor. | |
| void | set_conffile (std::string name, const std::string &conffile) throw (AOException) |
| For use if default constructed. | |
| VisAOApp_standalone (int argc, char **argv) throw (AOException) | |
| Command line constructor. | |
| void | usage () |
| virtual std::string | get_app_name () |
| Get the application name. | |
| void | log_msg (int LogLevel, std::string lmsg) |
| Report an error. Also calls log_msg. Overloaded from VisAOApp_base. More... | |
| virtual int | Exec () |
| Installs the term and XXXX signal handlers, and calls Run(). More... | |
| void | signal_catcher () |
| Signal loop, normally won't need to be overridden. More... | |
| virtual int | start_signal_catcher (bool inherit_sched=true) |
| Starts the signal catching loop. More... | |
| virtual int | install_sig_mainthread_catcher () |
| Install the SIG_MAINTHREAD signal catcher. | |
| virtual int | block_signal (int signum) |
| Sets the signal mask to block signal signum. | |
| virtual int | block_sigio () |
| Sets the signal mask to block SIGIO and RTSIGIO. | |
| virtual int | kill_me () |
| Handle a timetodie condition upon exiting the signal catcher thread (e.g. tell main thread it is about to die) More... | |
| Public Member Functions inherited from VisAO::VisAOApp_base | |
| VisAOApp_base () | |
| Default constructor. | |
| virtual | ~VisAOApp_base () |
| Virtual destructor. | |
| int | set_euid_called () |
| Changes the user id of the process to euid_called. | |
| int | set_euid_real () |
| Changes the user id fo the process to the real user id. | |
| int | set_RT_priority (int prio) |
| Set the real-time priority of the current process. More... | |
| int | get_RT_priority () |
| Get the real-time priority of the current process. | |
| int | set_app_name (std::string an) |
| Set the application name. | |
| virtual int | setup_baseApp (bool usethreads=false) |
| Install fifo channels. More... | |
| virtual int | setup_baseApp (bool remfifo, bool locfifo, bool scrfifo, bool autfifo, bool usethreads=false) |
| Create fifo names, then installs the fifo channels. More... | |
| int | setup_fifo_list (int nfifos) |
| Allocate the fifo_list. More... | |
| int | connect_fifo_list () |
| Connect the fifo_list with exclusive locking. More... | |
| int | connect_fifo_list_nolock () |
| Connect the fifo_list without exclusive locking. More... | |
| int | setup_sigio () |
| Setup the SIGIO signal handling. More... | |
| int | setup_RTsigio () |
| Setup SIGIO signal handling using realtime signals. More... | |
| int | check_fifo_list_RTpending () |
| Check for pending reads for the fifo list while using the RT signals. | |
| int | write_fifo_channel (int ch, const char *com, int comlen, std::string *resp) |
| Write data to a fifo_channel, and get a response if desired. More... | |
| int | write_fifo_channel (int ch, const char *com, int comlen, std::string *resp, char *sm) |
| Write data to a fifo_channel, with a sequence message attached, and get a response if desired. More... | |
| int | get_fifo_channel_response (std::string *resp, int ch) |
| Check, and wait if neccessary, for data on a fifo channel. More... | |
| int | set_wait_to (double to) |
| Set the wait timeout for fifo channel responses. More... | |
| double | get_wait_to () |
| Get the wait timeout for fifo channel responses. More... | |
| virtual int | request_control (int cmode) |
| Calls request_control(cmode, 0). | |
| virtual int | request_control (int cmode, bool override) |
| Attempts to change the control type. More... | |
| virtual std::string | __remote_command (std::string com, char *seqmsg) |
| Processing for remote commands. More... | |
| virtual std::string | remote_command (std::string com) |
| Called by __remote_command after control state logic. More... | |
| virtual std::string | remote_command (std::string com, char *seqmsg) |
| virtual std::string | __local_command (std::string com, char *seqmsg) |
| Processing for local commands. More... | |
| virtual std::string | local_command (std::string com) |
| Called by __local_command after control state logic. More... | |
| virtual std::string | local_command (std::string com, char *seqmsg) |
| virtual std::string | __script_command (std::string com, char *seqmsg) |
| Processing for script commands - not normally overriden. More... | |
| virtual std::string | script_command (std::string com) |
| Called by __script_command after control state logic. More... | |
| virtual std::string | script_command (std::string com, char *seqmsg) |
| virtual std::string | auto_command (std::string com, char *seqmsg) |
| Processing for auto commands - to be overriden. More... | |
| virtual std::string | post_auto_command (std::string com, char *seqmsg=0) |
| Processing for auto commands - not normally overriden. More... | |
| std::string | control_mode_string () |
| Convenience function to return the control type string, e.g. "REMOTE". | |
| std::string | control_mode_response () |
| Convenience function to return the control type response string, e.g. "A\n". | |
| virtual void | error_report (int LogLevel, std::string emsg) |
| Report an error. Also calls log_msg. More... | |
| VisAO::profiler * | get_profile () |
| int | get_use_profiler () |
| int | start_profiler () |
| void * | get_statusboard_shmemptr () |
| Get the status board shared memory pointer. More... | |
| int | set_statusboard_shmemkey (key_t mkey) |
| Set the status board shared memory key. Does nothing else. More... | |
| key_t | get_statusboard_shmemkey () |
| Get the status board shared memory key. More... | |
| virtual int | update_statusboard () |
| Update the status board. More... | |
| virtual void | dataLogger (timeval tv) |
| Log data at intervals. | |
Protected Member Functions | |
| int | calc_packetsPerFrame (int frameSizeBytes, int bitsPerPix) |
| Calculate frameSizeDW and packetsPerFrame. | |
| Protected Member Functions inherited from VisAO::VisAOApp_base | |
| int | create_statusboard (size_t sz) |
| Creates and attaches to the statusboard shared memory. More... | |
| std::string | getDataFileName () |
| int | checkDataFileOpen () |
Protected Attributes | |
| std::string | pingFifoPath |
| std::string | remoteIP |
| int | localPort |
| int | remotePort |
| UdpConnection * | conn |
| sharedim_stackS * | sis |
| Manages a VisAO shared memory image stack. | |
| int | shmem_key |
| bool | attached_to_shmem |
| sharedimS | sim |
| The sharedim structure retreived from the stack. | |
| int | behind |
| The number of frames currently behind. | |
| int | total_skipped |
| The total number of frames skipped. | |
| int | frameSizeDw |
| Size of the frame in DWORD. | |
| int | packetsPerFrame |
| No of UDP messages per frame. | |
| BYTE | sendBuff [Constants::MAX_ETH_PACKET_SIZE] |
| int | _MAX_TDP_PACKET_SIZE |
| int | _MAX_ETH_PACKET_SIZE |
| Protected Attributes inherited from VisAO::VisAOApp_standalone | |
| std::string | init_file |
| Config_File * | init_vars |
| pthread_t | main_thread |
| Identifier for the main thread. | |
| pthread_t | signal_thread |
| Identifier for the separate signal handling thread. | |
| pthread_mutex_t | signal_mutex |
| Mutex for the condition signaling. | |
| pthread_cond_t | signal_cond |
| Condition for telling main thread that something changed. | |
| double | signalth_sleeptime |
| Protected Attributes inherited from VisAO::VisAOApp_base | |
| std::string | app_name |
| The name of the application. | |
| double | pause_time |
| Time to pause during application main loop. | |
| fifo_list | fl |
| The list of named-pipe fifos used for inter-process comms. | |
| std::string | com_path |
| The control fifo path base name. | |
| std::string | com_path_remote |
| The path for the remote control fifos. | |
| std::string | com_path_local |
| The path for the local control fifos. | |
| std::string | com_path_script |
| The path for the script control fifos. | |
| std::string | com_path_auto |
| The path for the auto control fifos. | |
| double | wait_to |
| The timeout for waiting on responses from FIFOs in seconds. | |
| std::ostringstream | logss |
| Conveninence string stream for building log messages. | |
| VisAO::profiler * | profile |
| std::string | profile_path |
| int | use_profiler |
| void * | statusboard_shmemptr |
| The pointer to the shared memory block for the statusboard. | |
| key_t | statusboard_shmemkey |
| The key used to lookup the shared memory. | |
| int | statusboard_shmemid |
| The ID of the shared memory block. | |
| std::ofstream | dataof |
| bool | dataFileOpen |
| double | dataFileOpenTime |
| double | data_log_time_length |
| std::string | data_save_path |
| std::string | data_file_prefix |
Additional Inherited Members | |
| Public Types inherited from VisAO::VisAOApp_base | |
| enum | control_modes { CMODE_NONE, CMODE_REMOTE, CMODE_LOCAL, CMODE_SCRIPT, CMODE_AUTO, CMODE_max } |
| The control modes. | |
| Static Public Member Functions inherited from VisAO::VisAOApp_standalone | |
| static const std::string & | ConfigFile () |
| static const std::string & | MyName () |
| static const std::string & | MyFullName () |
| static int | ID () |
| static Config_File & | ConfigDictionary () |
| static int | Verbosity () |
| static string | getConffile (string identity) |
| Return configuration file path based on identity. | |
| Public Attributes inherited from VisAO::VisAOApp_base | |
| pthread_mutex_t | my_mutex |
| Mutex used by the threaded versions of the standard command handlers. | |
| Static Protected Member Functions inherited from VisAO::VisAOApp_standalone | |
| static void | SetMyName (const std::string &name) |
| static void | SetConfigFile (const std::string &conffile) throw (Config_File_Exception) |
| static void | SetID (int id) |
| Static Protected Attributes inherited from VisAO::VisAOApp_standalone | |
| static Logger * | _logger = NULL |
| Static Protected Attributes inherited from VisAO::VisAOApp_base | |
| static int | control_mode = VisAOApp_base::CMODE_NONE |
| The current control mode. More... | |
| static int | default_control_mode = -1 |
| The default control mode. More... | |
Definition at line 39 of file frameserver.h.
| int VisAO::frameserver::send_frame | ( | ) |
Definition at line 302 of file frameserver.cpp.
References behind, calc_packetsPerFrame(), fifo_list::fifo_ch, VisAO::VisAOApp_base::fl, frameSizeDw, sharedim_stack< IMDATA_TYPE >::get_image(), sharedim_stack< IMDATA_TYPE >::get_last_image(), sharedim_stack< IMDATA_TYPE >::get_max_n_images(), sharedim_stack< IMDATA_TYPE >::header, packetsPerFrame, read_fifo_channel(), sim, sis, TimeToDie, and total_skipped.
1.8.9.1 