1 | // %flair:license{
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2 | // This file is part of the Flair framework distributed under the
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3 | // CECILL-C License, Version 1.0.
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4 | // %flair:license}
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5 | // created: 2011/05/01
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6 | // filename: IODevice.cpp
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7 | //
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8 | // author: Guillaume Sanahuja
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9 | // Copyright Heudiasyc UMR UTC/CNRS 7253
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10 | //
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11 | // version: $Id: $
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12 | //
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13 | // purpose: classe de base avec entrees sorties
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14 | //
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15 | //
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16 | /*********************************************************************/
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17 |
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18 | #include "IODevice_impl.h"
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19 | #include "IODevice.h"
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20 | #include "io_data.h"
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21 | #include "io_data_impl.h"
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22 | #include "Thread.h"
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23 | #include "Mutex.h"
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24 | #include "FrameworkManager.h"
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25 | #include "FrameworkManager_impl.h"
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26 | #include "SharedMem.h"
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27 | #include <string.h>
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28 |
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29 | using std::string;
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30 | using std::fstream;
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31 | using namespace flair::core;
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32 |
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33 | IODevice_impl::IODevice_impl(const IODevice* self) {
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34 | this->self=self;
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35 | thread_to_wake=NULL;
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36 | wake_mutex= new Mutex(self);
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37 | framework_impl=::getFrameworkManagerImpl();
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38 | framework=getFrameworkManager();
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39 | tobelogged=false;
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40 | outputtoshm=false;
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41 | }
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42 |
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43 | IODevice_impl::~IODevice_impl() {}
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44 |
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45 | void IODevice_impl::OutputToShMem(bool enabled) {
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46 | if(framework->IsLogging()) {
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47 | self->Err("impossible while logging\n");
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48 | } else {
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49 | if(LogSize()==0) {
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50 | self->Warn("log size is null, not enabling output to shared memory.");
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51 | return;
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52 | }
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53 |
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54 | if(enabled) {
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55 | string dev_name=getFrameworkManager()->ObjectName()+ "-" + self->ObjectName();
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56 | shmem=new SharedMem(self,dev_name.c_str(),LogSize());
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57 | outputtoshm=true;
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58 |
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59 | Printf("Created %s shared memory for object %s; size: %i\n",dev_name.c_str(),self->ObjectName().c_str(),LogSize());
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60 | PrintLogsDescriptors();
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61 | } else {
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62 | outputtoshm=false;
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63 | delete shmem;
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64 | }
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65 | }
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66 | }
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67 |
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68 | void IODevice_impl::PrintLogsDescriptors(void) {
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69 | //own logs
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70 | for(size_t i=0;i<datasToLog.size();i++) datasToLog.at(i)->pimpl_->PrintLogDescriptor();
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71 | //childs logs
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72 | for(size_t i=0;i<self->TypeChilds()->size();i++) ((IODevice*)self->TypeChilds()->at(i))->pimpl_->PrintLogsDescriptors();
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73 | //manually added logs
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74 | for(size_t i=0;i<devicesToLog.size();i++) devicesToLog.at(i)->pimpl_->PrintLogsDescriptors();
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75 | }
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76 |
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77 | void IODevice_impl::WriteToShMem(void) {
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78 | if(outputtoshm) {
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79 | size_t size=LogSize();
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80 |
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81 | char* buf=framework_impl->GetBuffer(size);
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82 | char* buf_orig=buf;
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83 | if(buf==NULL) {
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84 | self->Err("err GetBuffer\n");
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85 | return;
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86 | }
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87 |
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88 | AppendLog(&buf);
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89 |
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90 | shmem->Write(buf_orig,size);
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91 | framework_impl->ReleaseBuffer(buf_orig);
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92 | }
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93 | }
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94 |
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95 | void IODevice_impl::AddDeviceToLog(const IODevice* device) {
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96 | if(framework->IsLogging()) {
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97 | self->Err("impossible while logging\n");
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98 | } else {
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99 | devicesToLog.push_back(device);
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100 | }
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101 | }
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102 |
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103 | bool IODevice_impl::SetToBeLogged(void) {
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104 | if(!tobelogged) {
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105 | tobelogged=true;
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106 | return true;
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107 | } else {
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108 | self->Warn("already added to log\n");
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109 | return false;
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110 | }
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111 | }
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112 |
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113 | void IODevice_impl::WriteLogsDescriptors(fstream& desc_file,int *index) {
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114 | //own descriptor
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115 | for(size_t i=0;i<datasToLog.size();i++) datasToLog.at(i)->pimpl_->WriteLogDescriptor(desc_file,index);
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116 | //childs descriptors
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117 | for(size_t i=0;i<self->TypeChilds()->size();i++) ((IODevice*)self->TypeChilds()->at(i))->pimpl_->WriteLogsDescriptors(desc_file,index);
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118 | //manually added logs
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119 | for(size_t i=0;i<devicesToLog.size();i++) devicesToLog.at(i)->pimpl_->WriteLogsDescriptors(desc_file,index);
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120 | }
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121 |
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122 | void IODevice_impl::ResumeThread(void) {
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123 | wake_mutex->GetMutex();
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124 | if(thread_to_wake!=NULL) {
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125 | thread_to_wake->Resume();
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126 | thread_to_wake=NULL;
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127 | }
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128 | wake_mutex->ReleaseMutex();
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129 | }
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130 |
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131 | void IODevice_impl::AddDataToLog(const io_data* data) {
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132 | if(framework->IsLogging()) {
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133 | self->Err("impossible while logging\n");
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134 | } else {
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135 | datasToLog.push_back(data);
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136 | }
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137 | }
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138 |
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139 | size_t IODevice_impl::LogSize() const {
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140 | size_t value=0;
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141 |
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142 | for(size_t i=0;i<datasToLog.size();i++) {
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143 | value+=datasToLog.at(i)->GetDataType().GetSize();
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144 | }
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145 |
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146 | //childs logs
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147 | for(size_t i=0;i<self->TypeChilds()->size();i++) {
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148 | value+=((IODevice*)self->TypeChilds()->at(i))->pimpl_->LogSize();
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149 | }
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150 | //manually added logs
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151 | for(size_t i=0;i<devicesToLog.size();i++) {
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152 | value+=devicesToLog.at(i)->pimpl_->LogSize();
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153 | }
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154 |
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155 | return value;
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156 | }
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157 |
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158 | void IODevice_impl::WriteLog(Time time) {
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159 | if(tobelogged==false) return;
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160 |
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161 | size_t size=LogSize();
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162 |
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163 | char* buf=framework_impl->GetBuffer(sizeof(FrameworkManager_impl::log_header_t)+size);
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164 | char* buf_orig=buf;
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165 | if(buf==NULL) {
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166 | self->Err("err GetBuffer\n");
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167 | return;
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168 | }
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169 |
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170 | FrameworkManager_impl::log_header_t header;
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171 | header.device=self;
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172 | header.size=size;
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173 | header.time=time;
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174 |
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175 | memcpy(buf,&header,sizeof(FrameworkManager_impl::log_header_t));
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176 | buf+=sizeof(FrameworkManager_impl::log_header_t);
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177 | AppendLog(&buf);
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178 |
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179 | framework_impl->WriteLog(buf_orig,sizeof(FrameworkManager_impl::log_header_t)+size);
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180 | framework_impl->ReleaseBuffer(buf_orig);
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181 | }
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182 |
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183 | void IODevice_impl::AppendLog(char** ptr)
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184 | {
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185 | //Printf("AppendLog %s %x\n",self->ObjectName().c_str(),*ptr);
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186 |
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187 | //copy state to buf
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188 | for(size_t i=0;i<datasToLog.size();i++) {
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189 | //printf("copy\n");
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190 | datasToLog.at(i)->CopyDatas(*ptr);
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191 | (*ptr)+=datasToLog.at(i)->GetDataType().GetSize();
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192 | }
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193 |
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194 | //copy linked states to buf
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195 | for(size_t i=0;i<self->TypeChilds()->size();i++) {
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196 | ((IODevice*)self->TypeChilds()->at(i))->pimpl_->AppendLog(ptr);
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197 | }
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198 | //copy manually added logs to buf
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199 | for(size_t i=0;i<devicesToLog.size();i++) {
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200 | devicesToLog.at(i)->pimpl_->AppendLog(ptr);
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201 | //devices.at(i)->DataToLog()->CopyDatas(*ptr);
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202 | //(*ptr)+=devices.at(i)->DataToLog()->Size();
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203 | }
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204 | //Printf("AppendLog %s ok\n",self->ObjectName().c_str());
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205 | }
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206 |
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207 | int IODevice_impl::SetToWake(const Thread* thread) {
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208 | int status=0;
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209 |
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210 | wake_mutex->GetMutex();
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211 | if(thread_to_wake==NULL) {
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212 | thread_to_wake=(Thread*)thread;
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213 | } else {
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214 | status=-1;
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215 | }
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216 | wake_mutex->ReleaseMutex();
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217 |
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218 | return status;
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219 | }
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