1272 lines
43 KiB
C++
1272 lines
43 KiB
C++
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// normApp.cpp - Command-line NORM application
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#include "protokit.h"
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#include "normSession.h"
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#include "normPostProcess.h"
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#include <stdio.h> // for stdout/stderr printouts
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#include <signal.h> // for SIGTERM/SIGINT handling
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#include <errno.h>
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#include <stdlib.h>
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// Command-line application using Protolib EventDispatcher
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class NormApp : public NormController, public ProtoApp
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{
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public:
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NormApp();
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virtual ~NormApp();
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// Overrides from ProtoApp or NsProtoSimAgent base
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bool OnStartup(int argc, const char*const* argv);
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bool ProcessCommands(int argc, const char*const* argv);
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void OnShutdown();
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bool ProcessCommand(const char* cmd, const char* val);
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static void DoInputReady(ProtoDispatcher::Descriptor descriptor,
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ProtoDispatcher::Event theEvent,
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const void* userData);
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private:
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void OnInputReady();
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enum CmdType {CMD_INVALID, CMD_NOARG, CMD_ARG};
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CmdType CommandType(const char* cmd);
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virtual void Notify(NormController::Event event,
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class NormSessionMgr* sessionMgr,
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class NormSession* session,
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class NormServerNode* server,
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class NormObject* object);
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bool OnIntervalTimeout(ProtoTimer& theTimer);
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static const char* const cmd_list[];
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#ifdef UNIX
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static void SignalHandler(int sigNum);
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#endif // UNIX
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NormSessionMgr session_mgr;
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NormSession* session;
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NormStreamObject* tx_stream;
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NormStreamObject* rx_stream;
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// application parameters
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FILE* input; // input stream
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FILE* output; // output stream
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char input_buffer[1250];
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unsigned int input_index;
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unsigned int input_length;
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bool input_active;
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bool push_stream;
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bool input_messaging; // stream input mode
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UINT16 input_msg_length;
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UINT16 input_msg_index;
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char output_buffer[65536];
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UINT16 output_index;
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bool output_messaging;
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UINT16 output_msg_length;
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bool output_msg_sync;
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// NormSession common parameters
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char* address; // session address
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UINT16 port; // session port number
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UINT8 ttl;
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double tx_rate; // bits/sec
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bool cc_enable;
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// NormSession server-only parameters
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UINT16 segment_size;
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UINT8 ndata;
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UINT8 nparity;
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UINT8 auto_parity;
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UINT8 extra_parity;
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double backoff_factor;
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unsigned long tx_buffer_size; // bytes
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NormFileList tx_file_list;
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double tx_object_interval;
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int tx_repeat_count;
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double tx_repeat_interval;
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ProtoTimer interval_timer;
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// NormSession client-only parameters
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unsigned long rx_buffer_size; // bytes
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NormFileList rx_file_cache;
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char* rx_cache_path;
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NormPostProcessor* post_processor;
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bool unicast_nacks;
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bool silent_client;
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// Debug parameters
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bool tracing;
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double tx_loss;
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double rx_loss;
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}; // end class NormApp
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NormApp::NormApp()
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: session_mgr(GetTimerMgr(), GetSocketNotifier()),
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session(NULL), tx_stream(NULL), rx_stream(NULL), input(NULL), output(NULL),
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input_index(0), input_length(0), input_active(false),
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push_stream(false), input_messaging(false), input_msg_length(0), input_msg_index(0),
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output_index(0), output_messaging(false), output_msg_length(0), output_msg_sync(false),
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address(NULL), port(0), ttl(3), tx_rate(64000.0), cc_enable(false),
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segment_size(1024), ndata(32), nparity(16), auto_parity(0), extra_parity(0),
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backoff_factor(NormSession::DEFAULT_BACKOFF_FACTOR),
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tx_buffer_size(1024*1024),
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tx_object_interval(0.0), tx_repeat_count(0), tx_repeat_interval(0.0),
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rx_buffer_size(1024*1024), rx_cache_path(NULL), unicast_nacks(false), silent_client(false),
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tracing(false), tx_loss(0.0), rx_loss(0.0)
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{
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// Init tx_timer for 1.0 second interval, infinite repeats
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session_mgr.SetController(this);
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interval_timer.SetListener(this, &NormApp::OnIntervalTimeout);
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interval_timer.SetInterval(0.0);
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interval_timer.SetRepeat(0);
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struct timeval currentTime;
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ProtoSystemTime(currentTime);
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srand(currentTime.tv_usec);
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}
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NormApp::~NormApp()
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{
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if (address) delete address;
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if (rx_cache_path) delete rx_cache_path;
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if (post_processor) delete post_processor;
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}
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const char* const NormApp::cmd_list[] =
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{
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"+debug", // debug level
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"+log", // log file name
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"-trace", // message tracing on
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"+txloss", // tx packet loss percent (for testing)
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"+rxloss", // rx packet loss percent (for testing)
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"+address", // session destination address
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"+ttl", // multicast hop count scope
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"+cc", // congestion control on/off
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"+rate", // tx date rate (bps)
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"-push", // push stream writes for real-time messaging
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"+input", // send stream input
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"+output", // recv stream output
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"+minput", // send message stream input
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"+moutput", // recv message stream output
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"+sendfile", // file/directory list to transmit
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"+interval", // delay time (sec) between files (0.0 sec default)
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"+repeatcount", // How many times to repeat the file/directory list
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"+rinterval", // Interval (sec) between file/directory list repeats
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"+rxcachedir", // recv file cache directory
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"+segment", // payload segment size (bytes)
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"+block", // User data packets per FEC coding block (blockSize)
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"+parity", // FEC packets calculated per coding block (nparity)
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"+auto", // Number of FEC packets to proactively send (<= nparity)
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"+extra", // Number of extra FEC packets sent in response to repair requests
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"+backoff", // Backoff factor to use
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"+txbuffer", // Size of sender's buffer
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"+rxbuffer", // Size receiver allocates for buffering each sender
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"-unicastNacks", // unicast instead of multicast feedback messages
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"-silentClient", // "silent" (non-nacking) client (EMCON mode)
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"+processor", // receive file post processing command
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NULL
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};
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bool NormApp::ProcessCommand(const char* cmd, const char* val)
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{
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CmdType type = CommandType(cmd);
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ASSERT(CMD_INVALID != type);
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unsigned int len = strlen(cmd);
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if ((CMD_ARG == type) && !val)
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{
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DMSG(0, "NormApp::ProcessCommand(%s) missing argument\n", cmd);
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return false;
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}
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if (!strncmp("debug", cmd, len))
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{
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int debugLevel = atoi(val);
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if ((debugLevel < 0) || (debugLevel > 12))
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{
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DMSG(0, "NormApp::ProcessCommand(segment) invalid debug level!\n");
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return false;
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}
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SetDebugLevel(debugLevel);
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}
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else if (!strncmp("log", cmd, len))
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{
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OpenDebugLog(val);
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}
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else if (!strncmp("trace", cmd, len))
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{
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tracing = true;
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if (session) session->SetTrace(true);
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}
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else if (!strncmp("txloss", cmd, len))
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{
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double txLoss = atof(val);
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if (txLoss < 0)
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{
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DMSG(0, "NormApp::ProcessCommand(txloss) invalid txRate!\n");
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return false;
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}
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tx_loss = txLoss;
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if (session) session->SetTxLoss(txLoss);
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}
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else if (!strncmp("rxloss", cmd, len))
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{
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double rxLoss = atof(val);
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if (rxLoss < 0)
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{
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DMSG(0, "NormApp::ProcessCommand(rxloss) invalid txRate!\n");
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return false;
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}
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rx_loss = rxLoss;
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if (session) session->SetRxLoss(rxLoss);
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}
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else if (!strncmp("address", cmd, len))
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{
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unsigned int len = strlen(val);
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if (address) delete address;
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if (!(address = new char[len+1]))
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{
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DMSG(0, "NormApp::ProcessCommand(address) allocation error:%s\n",
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strerror(errno));
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return false;
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}
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strcpy(address, val);
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char* ptr = strchr(address, '/');
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if (!ptr)
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{
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delete address;
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address = NULL;
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DMSG(0, "NormApp::ProcessCommand(address) missing port number!\n");
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return false;
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}
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*ptr++ = '\0';
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int portNum = atoi(ptr);
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if ((portNum < 1) || (portNum > 65535))
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{
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delete address;
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address = NULL;
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DMSG(0, "NormApp::ProcessCommand(address) invalid port number!\n");
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return false;
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}
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port = portNum;
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}
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else if (!strncmp("ttl", cmd, len))
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{
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int ttlTemp = atoi(val);
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if ((ttlTemp < 1) || (ttlTemp > 255))
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{
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DMSG(0, "NormApp::ProcessCommand(ttl) invalid value!\n");
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return false;
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}
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ttl = ttlTemp;
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}
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else if (!strncmp("rate", cmd, len))
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{
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double txRate = atof(val);
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if (txRate < 0)
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{
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DMSG(0, "NormApp::ProcessCommand(rate) invalid txRate!\n");
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return false;
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}
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tx_rate = txRate;
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if (session) session->SetTxRate(txRate);
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}
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else if (!strncmp("cc", cmd, len))
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{
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if (!strcmp("on", val))
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{
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cc_enable = true;
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}
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else if (!strcmp("off", val))
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{
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cc_enable = false;
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}
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else
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{
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DMSG(0, "NormApp::ProcessCommand(cc) invalid option!\n");
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return false;
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}
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if (session) session->SetCongestionControl(cc_enable);
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}
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else if (!strncmp("input", cmd, len))
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{
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if (!strcmp(val, "STDIN"))
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{
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input = stdin;
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}
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else if (!(input = fopen(val, "rb")))
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{
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DMSG(0, "NormApp::ProcessCommand(input) fopen() error: %s\n",
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strerror(errno));
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return false;
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}
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input_index = input_length = 0;
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input_messaging = false;
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#ifdef UNIX
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// Set input non-blocking
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if(-1 == fcntl(fileno(input), F_SETFL, fcntl(fileno(input), F_GETFL, 0) | O_NONBLOCK))
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perror("NormApp::ProcessCommand(input) fcntl(F_SETFL(O_NONBLOCK)) error");
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#endif // UNIX
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}
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else if (!strncmp("output", cmd, len))
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{
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if (!strcmp(val, "STDOUT"))
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{
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output = stdout;
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}
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else if (!(output = fopen(val, "wb")))
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{
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DMSG(0, "NormApp::ProcessCommand(output) fopen() error: %s\n",
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strerror(errno));
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return false;
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}
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output_messaging = false;
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output_index = 0;
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output_msg_sync = true;
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}
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else if (!strncmp("minput", cmd, len))
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{
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if (!strcmp(val, "STDIN"))
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{
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input = stdin;
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}
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else if (!(input = fopen(val, "rb")))
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{
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DMSG(0, "NormApp::ProcessCommand(input) fopen() error: %s\n",
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strerror(errno));
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return false;
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}
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input_index = input_length = 0;
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input_messaging = true;
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#ifdef UNIX
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// Set input non-blocking
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if(-1 == fcntl(fileno(input), F_SETFL, fcntl(fileno(input), F_GETFL, 0) | O_NONBLOCK))
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perror("NormApp::ProcessCommand(input) fcntl(F_SETFL(O_NONBLOCK)) error");
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#endif // UNIX
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}
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else if (!strncmp("moutput", cmd, len))
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{
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if (!strcmp(val, "STDOUT"))
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{
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output = stdout;
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}
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else if (!(output = fopen(val, "wb")))
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{
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DMSG(0, "NormApp::ProcessCommand(output) fopen() error: %s\n",
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strerror(errno));
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return false;
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}
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output_messaging = true;
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output_msg_length = output_index = 0;
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output_msg_sync = false;
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}
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else if (!strncmp("sendfile", cmd, len))
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{
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if (!tx_file_list.Append(val))
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{
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DMSG(0, "NormApp::ProcessCommand(sendfile) Error appending \"%s\" "
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"to tx file list.\n", val);
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return false;
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}
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}
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else if (!strncmp("interval", cmd, len))
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{
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if (1 != sscanf(val, "%lf", &tx_object_interval))
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tx_object_interval = -1.0;
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if (tx_object_interval < 0.0)
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{
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DMSG(0, "NormApp::ProcessCommand(interval) Invalid tx object interval: %s\n",
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val);
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tx_object_interval = 0.0;
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return false;
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}
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}
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else if (!strncmp("repeat", cmd, len))
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{
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tx_repeat_count = atoi(val);
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}
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else if (!strncmp("rinterval", cmd, len))
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{
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if (1 != sscanf(val, "%lf", &tx_repeat_interval))
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tx_repeat_interval = -1.0;
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if (tx_repeat_interval < 0.0)
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{
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DMSG(0, "NormApp::ProcessCommand(rinterval) Invalid tx repeat interval: %s\n",
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val);
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tx_repeat_interval = 0.0;
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return false;
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}
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}
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else if (!strncmp("rxcachedir", cmd, len))
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{
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unsigned int length = strlen(val);
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// Make sure there is a trailing PROTO_PATH_DELIMITER
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if (PROTO_PATH_DELIMITER != val[length-1])
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length += 2;
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else
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length += 1;
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if (!(rx_cache_path = new char[length]))
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{
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DMSG(0, "NormApp::ProcessCommand(rxcachedir) alloc error: %s\n",
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strerror(errno));
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return false;
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}
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strcpy(rx_cache_path, val);
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rx_cache_path[length-2] = PROTO_PATH_DELIMITER;
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rx_cache_path[length-1] = '\0';
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}
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else if (!strncmp("segment", cmd, len))
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{
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int segmentSize = atoi(val);
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if ((segmentSize < 0) || (segmentSize > 8000))
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{
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DMSG(0, "NormApp::ProcessCommand(segment) invalid segment size!\n");
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return false;
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}
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segment_size = segmentSize;
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}
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else if (!strncmp("block", cmd, len))
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{
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int blockSize = atoi(val);
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if ((blockSize < 1) || (blockSize > 255))
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{
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DMSG(0, "NormApp::ProcessCommand(block) invalid block size!\n");
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return false;
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}
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ndata = blockSize;
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}
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else if (!strncmp("parity", cmd, len))
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{
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int numParity = atoi(val);
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if ((numParity < 0) || (numParity > 254))
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{
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DMSG(0, "NormApp::ProcessCommand(parity) invalid value!\n");
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return false;
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}
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nparity = numParity;
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}
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else if (!strncmp("auto", cmd, len))
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{
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int autoParity = atoi(val);
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if ((autoParity < 0) || (autoParity > 254))
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{
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DMSG(0, "NormApp::ProcessCommand(auto) invalid value!\n");
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return false;
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}
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auto_parity = autoParity;
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if (session) session->ServerSetAutoParity(autoParity);
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}
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else if (!strncmp("extra", cmd, len))
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{
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int extraParity = atoi(val);
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if ((extraParity < 0) || (extraParity > 254))
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{
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DMSG(0, "NormApp::ProcessCommand(extra) invalid value!\n");
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return false;
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}
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extra_parity = extraParity;
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if (session) session->ServerSetExtraParity(extraParity);
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}
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else if (!strncmp("backoff", cmd, len))
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{
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double backoffFactor = atof(val);
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if (backoffFactor < 0)
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{
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DMSG(0, "NormSimAgent::ProcessCommand(backoff) invalid txRate!\n");
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return false;
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}
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backoff_factor = backoffFactor;
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if (session) session->SetBackoffFactor(backoffFactor);
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}
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else if (!strncmp("txbuffer", cmd, len))
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{
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if (1 != sscanf(val, "%lu", &tx_buffer_size))
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{
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DMSG(0, "NormApp::ProcessCommand(txbuffer) invalid value!\n");
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return false;
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}
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}
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else if (!strncmp("rxbuffer", cmd, len))
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{
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if (1 != sscanf(val, "%lu", &rx_buffer_size))
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{
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DMSG(0, "NormApp::ProcessCommand(rxbuffer) invalid value!\n");
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return false;
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}
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}
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else if (!strncmp("unicastNacks", cmd, len))
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{
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unicast_nacks = true;
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if (session) session->SetUnicastNacks(true);
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}
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else if (!strncmp("silentClient", cmd, len))
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{
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silent_client = true;
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if (session) session->ClientSetSilent(true);
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}
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else if (!strncmp("push", cmd, len))
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{
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push_stream = true;
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}
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else if (!strncmp("processor", cmd, len))
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{
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if (!post_processor->SetCommand(val))
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{
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DMSG(0, "NormApp::ProcessCommand(processor) error!\n");
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return false;
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}
|
|
}
|
|
return true;
|
|
} // end NormApp::ProcessCommand()
|
|
|
|
|
|
NormApp::CmdType NormApp::CommandType(const char* cmd)
|
|
{
|
|
if (!cmd) return CMD_INVALID;
|
|
unsigned int len = strlen(cmd);
|
|
bool matched = false;
|
|
CmdType type = CMD_INVALID;
|
|
const char* const* nextCmd = cmd_list;
|
|
while (*nextCmd)
|
|
{
|
|
if (!strncmp(cmd, *nextCmd+1, len))
|
|
{
|
|
if (matched)
|
|
{
|
|
// ambiguous command (command should match only once)
|
|
return CMD_INVALID;
|
|
}
|
|
else
|
|
{
|
|
matched = true;
|
|
if ('+' == *nextCmd[0])
|
|
type = CMD_ARG;
|
|
else
|
|
type = CMD_NOARG;
|
|
}
|
|
}
|
|
nextCmd++;
|
|
}
|
|
return type;
|
|
} // end NormApp::CommandType()
|
|
|
|
|
|
bool NormApp::ProcessCommands(int argc, const char*const* argv)
|
|
{
|
|
int i = 1;
|
|
while ( i < argc)
|
|
{
|
|
CmdType cmdType = CommandType(argv[i]);
|
|
switch (cmdType)
|
|
{
|
|
case CMD_INVALID:
|
|
DMSG(0, "NormApp::ProcessCommands() Invalid command:%s\n",
|
|
argv[i]);
|
|
return false;
|
|
case CMD_NOARG:
|
|
if (!ProcessCommand(argv[i], NULL))
|
|
{
|
|
DMSG(0, "NormApp::ProcessCommands() ProcessCommand(%s) error\n",
|
|
argv[i]);
|
|
return false;
|
|
}
|
|
i++;
|
|
break;
|
|
case CMD_ARG:
|
|
if (!ProcessCommand(argv[i], argv[i+1]))
|
|
{
|
|
DMSG(0, "NormApp::ProcessCommands() ProcessCommand(%s, %s) error\n",
|
|
argv[i], argv[i+1]);
|
|
return false;
|
|
}
|
|
i += 2;
|
|
break;
|
|
}
|
|
}
|
|
return true;
|
|
} // end NormApp::ProcessCommands()
|
|
|
|
void NormApp::DoInputReady(ProtoDispatcher::Descriptor /*descriptor*/,
|
|
ProtoDispatcher::Event /*theEvent*/,
|
|
const void* userData)
|
|
{
|
|
((NormApp*)userData)->OnInputReady();
|
|
} // end NormApp::DoDataReady()
|
|
|
|
|
|
void NormApp::OnInputReady()
|
|
{
|
|
|
|
//TRACE("NormApp::OnInputReady() ...\n");
|
|
bool flush = false;
|
|
// write to the stream while input is available _and_
|
|
// the stream has buffer space for input
|
|
while (input)
|
|
{
|
|
bool inputStarved = false;
|
|
|
|
if (0 == input_length)
|
|
{
|
|
// We need input ...
|
|
UINT16 readLength;
|
|
if (input_messaging)
|
|
{
|
|
if (input_msg_length)
|
|
{
|
|
UINT16 bufferSpace = 1024 - input_index;
|
|
UINT16 msgRemainder = input_msg_length - input_msg_index;
|
|
readLength = MIN(bufferSpace, msgRemainder);
|
|
}
|
|
else if (input_index < 2)
|
|
{
|
|
readLength = 2 - input_index;
|
|
}
|
|
else
|
|
{
|
|
input_msg_length = ntohs(*((UINT16*)input_buffer));
|
|
ASSERT(input_msg_length >= 2);
|
|
UINT16 bufferSpace = 1024 - input_index;
|
|
UINT16 msgRemainder = input_msg_length - 2;
|
|
readLength = MIN(bufferSpace, msgRemainder);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
readLength = 1024;
|
|
}
|
|
|
|
// Read from "input" into our "input_buffer"
|
|
size_t result = fread(input_buffer+input_index, sizeof(char), readLength, input);
|
|
if (result > 0)
|
|
{
|
|
if (input_messaging)
|
|
{
|
|
if (input_msg_length)
|
|
{
|
|
input_length = input_index + result;
|
|
input_index = 0;
|
|
}
|
|
else
|
|
{
|
|
input_length = 0;
|
|
input_index += result;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
input_length = input_index + result;
|
|
input_index = 0;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (feof(input))
|
|
{
|
|
DMSG(0, "norm: input end-of-file.\n");
|
|
if (input_active)
|
|
{
|
|
#ifdef WIN32
|
|
ASSERT(0); // no Win32 support for stream i/o yet
|
|
#else
|
|
dispatcher.RemoveGenericInput(fileno(input));
|
|
#endif // if/else WIN32/UNIX
|
|
input_active = false;
|
|
}
|
|
if (stdin != input) fclose(input);
|
|
input = NULL;
|
|
flush = true;
|
|
}
|
|
else if (ferror(input))
|
|
{
|
|
switch (errno)
|
|
{
|
|
case EINTR:
|
|
continue;
|
|
case EAGAIN:
|
|
// Input not ready, will get notification when ready
|
|
inputStarved = true;
|
|
break;
|
|
default:
|
|
DMSG(0, "norm: input error:%s\n", strerror(errno));
|
|
break;
|
|
}
|
|
clearerr(input);
|
|
}
|
|
}
|
|
} // end if (0 == input_length)
|
|
|
|
unsigned int writeLength = input_length;// ? input_length - input_index : 0;
|
|
|
|
if (writeLength || flush)
|
|
{
|
|
unsigned int wroteLength = tx_stream->Write(input_buffer+input_index,
|
|
writeLength, flush, false,
|
|
push_stream);
|
|
input_length -= wroteLength;
|
|
if (0 == input_length)
|
|
input_index = 0;
|
|
else
|
|
input_index += wroteLength;
|
|
if (input_messaging)
|
|
{
|
|
input_msg_index += wroteLength;
|
|
if (input_msg_index == input_msg_length)
|
|
{
|
|
input_msg_index = 0;
|
|
input_msg_length = 0;
|
|
// Mark EOM
|
|
tx_stream->Write(NULL, 0, false, true, false);
|
|
}
|
|
}
|
|
if (wroteLength < writeLength)
|
|
{
|
|
// Stream buffer full, temporarily deactive "input" and
|
|
// wait for next TX_QUEUE_EMPTY notification
|
|
if (input_active)
|
|
{
|
|
#ifdef WIN32
|
|
ASSERT(0); // no Win32 support for stream i/o yet
|
|
#else
|
|
dispatcher.RemoveGenericInput(fileno(input));
|
|
#endif // if/else WIN32/UNIX
|
|
input_active = false;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
else if (inputStarved)
|
|
{
|
|
// Input not ready, wait for "input" to be ready
|
|
// (Activate/reactivate "input" as necessary
|
|
if (!input_active)
|
|
{
|
|
#ifdef WIN32
|
|
ASSERT(0); // no Win32 support for stream i/o yet
|
|
if (false)
|
|
#else
|
|
if (dispatcher.InstallGenericInput(fileno(input), NormApp::DoInputReady, this))
|
|
#endif // if/else WIN32/UNIX
|
|
input_active = true;
|
|
else
|
|
DMSG(0, "NormApp::Notify(TX_QUEUE_EMPTY) error adding input notification!\n");
|
|
}
|
|
break;
|
|
}
|
|
} // end while (input)
|
|
} // NormApp::OnInputReady()
|
|
|
|
|
|
void NormApp::Notify(NormController::Event event,
|
|
class NormSessionMgr* sessionMgr,
|
|
class NormSession* session,
|
|
class NormServerNode* server,
|
|
class NormObject* object)
|
|
{
|
|
switch (event)
|
|
{
|
|
case TX_QUEUE_EMPTY:
|
|
// Write to stream as needed
|
|
//DMSG(0, "NormApp::Notify(TX_QUEUE_EMPTY) ...\n");
|
|
if (object && (object == tx_stream))
|
|
{
|
|
if (input) OnInputReady();
|
|
}
|
|
else
|
|
{
|
|
// Can queue a new object for transmission
|
|
if (interval_timer.IsActive()) interval_timer.Deactivate();
|
|
if (interval_timer.GetInterval() > 0.0)
|
|
ActivateTimer(interval_timer);
|
|
else
|
|
OnIntervalTimeout(interval_timer);
|
|
}
|
|
break;
|
|
|
|
case RX_OBJECT_NEW:
|
|
{
|
|
//TRACE("NormApp::Notify(RX_OBJECT_NEW) ...\n");
|
|
// It's up to the app to "accept" the object
|
|
switch (object->GetType())
|
|
{
|
|
case NormObject::STREAM:
|
|
{
|
|
// Only have one rx_stream at a time for now.
|
|
// Reset stream i/o mgmt
|
|
output_msg_length = output_index = 0;
|
|
if (output_messaging) output_msg_sync = false;
|
|
|
|
// object Size() has recommended buffering size
|
|
NormObjectSize size;
|
|
if (silent_client)
|
|
size = NormObjectSize((UINT32)rx_buffer_size);
|
|
else
|
|
size = object->Size();
|
|
|
|
if (((NormStreamObject*)object)->Accept(size.LSB()))
|
|
{
|
|
rx_stream = (NormStreamObject*)object;
|
|
}
|
|
else
|
|
{
|
|
DMSG(0, "NormApp::Notify(RX_OBJECT_NEW) stream object accept error!\n");
|
|
}
|
|
}
|
|
break;
|
|
case NormObject::FILE:
|
|
{
|
|
if (rx_cache_path)
|
|
{
|
|
// (TBD) re-arrange so if we've already recv'd INFO,
|
|
// we can use that for file name right away ???
|
|
// (TBD) Manage recv file name collisions, etc ...
|
|
char fileName[PATH_MAX];
|
|
strcpy(fileName, rx_cache_path);
|
|
strcat(fileName, "normTempXXXXXX");
|
|
#ifdef WIN32
|
|
if (!_mktemp(fileName))
|
|
#else
|
|
int fd = mkstemp(fileName);
|
|
if (fd >= 0)
|
|
{
|
|
close(fd);
|
|
}
|
|
else
|
|
#endif // if/else WIN32
|
|
{
|
|
DMSG(0, "NormApp::Notify(RX_OBJECT_NEW) Warning: mkstemp() error: %s\n",
|
|
strerror(errno));
|
|
}
|
|
if (!((NormFileObject*)object)->Accept(fileName))
|
|
{
|
|
DMSG(0, "NormApp::Notify(RX_OBJECT_NEW) file object accept error!\n");
|
|
}
|
|
}
|
|
else
|
|
{
|
|
DMSG(0, "NormApp::Notify(RX_OBJECT_NEW) no rx cache for file\n");
|
|
}
|
|
}
|
|
break;
|
|
case NormObject::DATA:
|
|
DMSG(0, "NormApp::Notify() FILE/DATA objects not _yet_ supported...\n");
|
|
break;
|
|
}
|
|
break;
|
|
}
|
|
|
|
case RX_OBJECT_INFO:
|
|
//TRACE("NormApp::Notify(RX_OBJECT_INFO) ...\n");
|
|
switch(object->GetType())
|
|
{
|
|
case NormObject::FILE:
|
|
{
|
|
// Rename rx file using newly received info
|
|
char fileName[PATH_MAX];
|
|
strncpy(fileName, rx_cache_path, PATH_MAX);
|
|
UINT16 pathLen = strlen(rx_cache_path);
|
|
pathLen = MIN(pathLen, PATH_MAX);
|
|
UINT16 len = object->InfoLength();
|
|
len = MIN(len, (PATH_MAX - pathLen));
|
|
strncat(fileName, object->GetInfo(), len);
|
|
// Convert '/' in file info to directory delimiters
|
|
for (UINT16 i = pathLen; i < (pathLen+len); i++)
|
|
{
|
|
if ('/' == fileName[i])
|
|
fileName[i] = PROTO_PATH_DELIMITER;
|
|
}
|
|
pathLen += len;
|
|
if (pathLen < PATH_MAX) fileName[pathLen] = '\0';
|
|
|
|
// Deal with concurrent rx name collisions
|
|
// (TBD) and implement overwrite policy
|
|
// and cache files in cache mode
|
|
|
|
if (!((NormFileObject*)object)->Rename(fileName))
|
|
{
|
|
DMSG(0, "NormApp::Notify() Error renaming rx file: %s\n",
|
|
fileName);
|
|
}
|
|
break;
|
|
}
|
|
case NormObject::DATA:
|
|
case NormObject::STREAM:
|
|
break;
|
|
} // end switch(object->GetType())
|
|
break;
|
|
|
|
case RX_OBJECT_UPDATE:
|
|
//TRACE("NormApp::Notify(RX_OBJECT_UPDATE) ...\n");
|
|
switch (object->GetType())
|
|
{
|
|
case NormObject::FILE:
|
|
// (TBD) update reception progress display when applicable
|
|
break;
|
|
|
|
case NormObject::STREAM:
|
|
{
|
|
if (object != rx_stream)
|
|
{
|
|
DMSG(0, "NormApp::Notify(RX_OBJECT_UPDATE) update for invalid stream\n");
|
|
break;
|
|
}
|
|
// Read the stream when it's updated
|
|
ASSERT(output);
|
|
bool reading = true;
|
|
bool findMsgSync;
|
|
while (reading)
|
|
{
|
|
unsigned int readLength;
|
|
if (output_messaging)
|
|
{
|
|
if (output_msg_length)
|
|
{
|
|
readLength = output_msg_length - output_index;
|
|
}
|
|
else if (output_index < 2)
|
|
{
|
|
readLength = 2 - output_index;
|
|
}
|
|
else
|
|
{
|
|
output_msg_length = ntohs(*((UINT16*)output_buffer));
|
|
ASSERT(output_msg_length >= 2);
|
|
readLength = output_msg_length - output_index;
|
|
}
|
|
findMsgSync = output_msg_sync ? false : true;
|
|
}
|
|
else
|
|
{
|
|
output_index = 0;
|
|
readLength = 512;
|
|
findMsgSync = false;
|
|
}
|
|
|
|
|
|
if(!((NormStreamObject*)object)->Read(output_buffer+output_index,
|
|
&readLength, findMsgSync))
|
|
{
|
|
// The stream broke
|
|
if (output_messaging)
|
|
{
|
|
if (output_msg_sync)
|
|
DMSG(0, "NormApp::Notify() detected broken stream ...\n");
|
|
output_msg_length = output_index = 0;
|
|
output_msg_sync = false;
|
|
continue;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (readLength > 0)
|
|
output_msg_sync = true;
|
|
}
|
|
|
|
if (readLength)
|
|
output_index += readLength;
|
|
else
|
|
reading = false;
|
|
|
|
unsigned int writeLength;
|
|
if (output_messaging)
|
|
{
|
|
if (output_msg_length && (output_index >= output_msg_length))
|
|
{
|
|
writeLength = output_msg_length;
|
|
output_msg_length = 0;
|
|
output_index = 0;
|
|
}
|
|
else
|
|
{
|
|
writeLength = 0;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
writeLength = readLength;
|
|
output_index = 0;
|
|
}
|
|
|
|
unsigned int put = 0;
|
|
while (put < writeLength)
|
|
{
|
|
size_t result = fwrite(output_buffer+put, sizeof(char), writeLength-put, output);
|
|
if (result)
|
|
{
|
|
put += result;
|
|
}
|
|
else
|
|
{
|
|
if (ferror(output))
|
|
{
|
|
if (EINTR == errno)
|
|
{
|
|
clearerr(output);
|
|
continue;
|
|
}
|
|
else
|
|
{
|
|
DMSG(0, "norm: output error:%s\n", strerror(errno));
|
|
clearerr(output);
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
} // end while(put < nBytes)
|
|
if (writeLength) memset(output_buffer, 0, writeLength);
|
|
} // end while (reading)
|
|
fflush(output);
|
|
break;
|
|
}
|
|
|
|
case NormObject::DATA:
|
|
DMSG(0, "NormApp::Notify() DATA objects not _yet_ supported...\n");
|
|
break;
|
|
} // end switch (object->GetType())
|
|
break;
|
|
|
|
case RX_OBJECT_COMPLETE:
|
|
{
|
|
//TRACE("NormApp::Notify(RX_OBJECT_COMPLETE) ...\n");
|
|
switch(object->GetType())
|
|
{
|
|
case NormObject::FILE:
|
|
{
|
|
const char* filePath = ((NormFileObject*)object)->Path();
|
|
//DMSG(0, "norm: Completed rx file: %s\n", filePath);
|
|
if (post_processor->IsEnabled())
|
|
{
|
|
if (!post_processor->ProcessFile(filePath))
|
|
{
|
|
DMSG(0, "norm: post processing error\n");
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
|
|
case NormObject::STREAM:
|
|
ASSERT(0);
|
|
break;
|
|
case NormObject::DATA:
|
|
ASSERT(0);
|
|
break;
|
|
}
|
|
break;
|
|
}
|
|
} // end switch(event)
|
|
} // end NormApp::Notify()
|
|
|
|
|
|
bool NormApp::OnIntervalTimeout(ProtoTimer& /*theTimer*/)
|
|
{
|
|
char fileName[PATH_MAX];
|
|
if (tx_file_list.GetNextFile(fileName))
|
|
{
|
|
char pathName[PATH_MAX];
|
|
tx_file_list.GetCurrentBasePath(pathName);
|
|
unsigned int len = strlen(pathName);
|
|
len = MIN(len, PATH_MAX);
|
|
unsigned int maxLen = PATH_MAX - len;
|
|
char* ptr = fileName + len;
|
|
len = strlen(ptr);
|
|
len = MIN(len, maxLen);
|
|
// (TBD) Make sure len <= segment_size)
|
|
char fileNameInfo[PATH_MAX];
|
|
strncpy(fileNameInfo, ptr, len);
|
|
// Normalize directory delimiters in file name info
|
|
for (unsigned int i = 0; i < len; i++)
|
|
{
|
|
if (PROTO_PATH_DELIMITER == fileNameInfo[i])
|
|
fileNameInfo[i] = '/';
|
|
}
|
|
char temp[PATH_MAX];
|
|
strncpy(temp, fileNameInfo, len);
|
|
temp[len] = '\0';
|
|
if (!session->QueueTxFile(fileName, fileNameInfo, len))
|
|
{
|
|
DMSG(0, "NormApp::OnIntervalTimeout() Error queuing tx file: %s\n",
|
|
fileName);
|
|
// Wait a second, then try the next file in the list
|
|
if (interval_timer.IsActive()) interval_timer.Deactivate();
|
|
interval_timer.SetInterval(1.0);
|
|
ActivateTimer(interval_timer);
|
|
return false;
|
|
}
|
|
//DMSG(0, "norm: File \"%s\" queued for transmission.\n", fileName);
|
|
interval_timer.SetInterval(tx_object_interval);
|
|
}
|
|
else if (tx_repeat_count)
|
|
{
|
|
// (TBD) When repeating, remove previous instance from tx queue???
|
|
if (tx_repeat_count > 0) tx_repeat_count--;
|
|
tx_file_list.ResetIterator();
|
|
if (tx_repeat_interval > tx_object_interval)
|
|
{
|
|
if (interval_timer.IsActive()) interval_timer.Deactivate();
|
|
interval_timer.SetInterval(tx_repeat_interval = tx_object_interval);
|
|
ActivateTimer(interval_timer);
|
|
return false;
|
|
}
|
|
else
|
|
{
|
|
return OnIntervalTimeout(interval_timer);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
DMSG(0, "norm: End of tx file list reached.\n");
|
|
}
|
|
return true;
|
|
} // end NormApp::OnIntervalTimeout()
|
|
|
|
bool NormApp::OnStartup(int argc, const char*const* argv)
|
|
{
|
|
|
|
if (!(post_processor = NormPostProcessor::Create()))
|
|
{
|
|
DMSG(0, "NormApp::OnStartup() error creating post processor\n");
|
|
return false;
|
|
}
|
|
|
|
if (!ProcessCommands(argc, argv))
|
|
{
|
|
DMSG(0, "NormApp::OnStartup() error processing command-line commands\n");
|
|
return false;
|
|
}
|
|
|
|
#ifdef UNIX
|
|
signal(SIGCHLD, SignalHandler);
|
|
#endif // UNIX
|
|
|
|
// Validate our application settings
|
|
if (!address)
|
|
{
|
|
DMSG(0, "NormApp::OnStartup() Error! no session address given.\n");
|
|
return false;
|
|
}
|
|
if (!input && !output && tx_file_list.IsEmpty() && !rx_cache_path)
|
|
{
|
|
DMSG(0, "NormApp::OnStartup() Error! no \"input\", \"output\", "
|
|
"\"sendfile\", or \"rxcache\" given.\n");
|
|
return false;
|
|
}
|
|
|
|
// Create a new session on multicast group/port
|
|
session = session_mgr.NewSession(address, port);
|
|
if (session)
|
|
{
|
|
// Common session parameters
|
|
session->SetTxRate(tx_rate);
|
|
session->SetTrace(tracing);
|
|
session->SetTxLoss(tx_loss);
|
|
session->SetRxLoss(rx_loss);
|
|
session->SetBackoffFactor(backoff_factor);
|
|
|
|
if (input || !tx_file_list.IsEmpty())
|
|
{
|
|
NormObjectId baseId = (unsigned short)(rand() * (65535.0/ (double)RAND_MAX));
|
|
session->ServerSetBaseObjectId(baseId);
|
|
|
|
session->SetCongestionControl(cc_enable);
|
|
if (!session->StartServer(tx_buffer_size, segment_size, ndata, nparity))
|
|
{
|
|
DMSG(0, "NormApp::OnStartup() start server error!\n");
|
|
session_mgr.Destroy();
|
|
return false;
|
|
}
|
|
session->ServerSetAutoParity(auto_parity);
|
|
session->ServerSetExtraParity(extra_parity);
|
|
if (input)
|
|
{
|
|
// Open a stream object to write to (QueueTxStream(stream bufferSize))
|
|
tx_stream = session->QueueTxStream(tx_buffer_size);
|
|
if (!tx_stream)
|
|
{
|
|
DMSG(0, "NormApp::OnStartup() queue tx stream error!\n");
|
|
session_mgr.Destroy();
|
|
return false;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (output || rx_cache_path)
|
|
{
|
|
// StartClient(bufferMax (per-sender))
|
|
session->SetUnicastNacks(unicast_nacks);
|
|
session->ClientSetSilent(silent_client);
|
|
if (!session->StartClient(rx_buffer_size))
|
|
{
|
|
DMSG(0, "NormApp::OnStartup() start client error!\n");
|
|
session_mgr.Destroy();
|
|
return false;
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
else
|
|
{
|
|
DMSG(0, "NormApp::OnStartup() new session error!\n");
|
|
return false;
|
|
}
|
|
} // end NormApp::OnStartup()
|
|
|
|
void NormApp::OnShutdown()
|
|
{
|
|
//TRACE("NormApp::OnShutdown() ...\n");
|
|
session_mgr.Destroy();
|
|
if (input)
|
|
{
|
|
if (input_active)
|
|
{
|
|
#ifdef WIN32
|
|
ASSERT(0); // no Win32 support for stream i/o yet
|
|
#else
|
|
dispatcher.RemoveGenericInput(fileno(input));
|
|
#endif // if/else WIN32/UNIX
|
|
input_active = false;
|
|
}
|
|
if (stdin != input) fclose(input);
|
|
input = NULL;
|
|
}
|
|
if (output)
|
|
{
|
|
if (stdout != output) fclose(output);
|
|
output = NULL;
|
|
}
|
|
if (post_processor)
|
|
{
|
|
delete post_processor;
|
|
post_processor = NULL;
|
|
}
|
|
} // end NormApp::OnShutdown()
|
|
|
|
// Out application instance
|
|
PROTO_INSTANTIATE_APP(NormApp);
|
|
|
|
#ifdef UNIX
|
|
void NormApp::SignalHandler(int sigNum)
|
|
{
|
|
switch(sigNum)
|
|
{
|
|
case SIGCHLD:
|
|
{
|
|
NormApp* app = static_cast<NormApp*>(ProtoApp::GetApp());
|
|
if (app->post_processor) app->post_processor->OnDeath();
|
|
signal(SIGCHLD, SignalHandler);
|
|
break;
|
|
}
|
|
|
|
default:
|
|
fprintf(stderr, "norm: Unexpected signal: %d\n", sigNum);
|
|
break;
|
|
}
|
|
} // end NormApp::SignalHandler()
|
|
#endif // UNIX
|