| 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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