root / logic / trunk / src / startup / main.c @ 44
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/*
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* main.c
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*
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* 2011, Aleksander Besir (alex.besir@gmail.com)
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*
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*/
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#include "../hci_comm/hci_comm.h" |
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#include "../init/scenariolist.h" |
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#include "../init/devicelist.h" |
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//#include "../logics/device_threads.h"
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//#include "../logics/scenario_threads.h"
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#include <stdio.h> |
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#include <pthread.h> |
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#include <syslog.h> |
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// Inter-thread shared variables
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// TODO: These variables could be configuration variables
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// (eg: static boolean loggingEnabled)
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static device *hDevice; //device list |
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static scenario *hScenario; //scenario list |
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//extern scenario *test; //device list
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// Crtitical section mutual exclusion security
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static pthread_mutex_t mtx = PTHREAD_MUTEX_INITIALIZER;
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void *decisionMakingThread_routine(void *dummy); |
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void *hciConnectionThread_routine(void *dummy); |
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void *randomValThread_routine(void *dummy); |
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void *scenarioThread_routine(void *dummy); |
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// Application entry point
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int main(int argc, char *argv[]) { |
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/* initialisation */
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hDevice = setDeviceList(); |
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hScenario = setNewScenarioList(hDevice); |
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printf("Devices present:\t%d\n", getNumberOfDevices());
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printf("Scenarios present:\t%d\n", getNumberOfScenarios());
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/* regular work */
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//*
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pthread_t hciConnectionThread; |
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pthread_t decisionMakingThread; |
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pthread_t *decisionMakingThread2; |
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pthread_create(&hciConnectionThread, NULL,hciConnectionThread_routine, NULL); |
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pthread_create(&decisionMakingThread,NULL,decisionMakingThread_routine,NULL); |
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pthread_join(hciConnectionThread,NULL);
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pthread_join(decisionMakingThread,NULL);
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/**/
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exit(0);
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} |
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// Decision-making thread routine
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// Should just call a function that implements decision making module of the logic
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void *decisionMakingThread_routine(void *dummy) { |
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printf("-- decisionMakingThread_routine started --\n");
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/**dummy threads for input devices (sensors)**/
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// TODO check for possible BUG involving declaring pthread_t as pointer!
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pthread_t *deviceThread, *deviceThreadHead; |
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deviceThreadHead = NULL;
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int i;
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for(i=0; i<getNumberOfDevices(); i++) |
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{ |
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deviceThread = (pthread_t *)malloc(sizeof(pthread_t));
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pthread_create(&deviceThread,NULL,randomValThread_routine,NULL); |
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if(deviceThreadHead==NULL) |
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deviceThreadHead=deviceThread; |
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} |
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/**start scenario threads**/
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pthread_t *scenarioThread, *scenarioThreadHead; |
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scenarioThreadHead = NULL;
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for(i=0; i<getNumberOfScenarios(); i++) |
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{ |
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scenarioThread = (pthread_t *)malloc(sizeof(pthread_t));
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pthread_create(&scenarioThread,NULL,scenarioThread_routine,NULL); |
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if(scenarioThreadHead==NULL) |
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scenarioThreadHead=scenarioThread; |
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} |
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/**wait for threads to finish**/
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// TODO bad position of both for loops below, joining of theese threads should be handled in a different way
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deviceThread = deviceThreadHead; |
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for(i=0; i<getNumberOfDevices(); i++) |
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{ |
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pthread_join(deviceThread,NULL);
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deviceThread++; |
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} |
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scenarioThread = scenarioThreadHead; |
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for(i=0; i<getNumberOfScenarios(); i++) |
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{ |
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pthread_join(scenarioThread,NULL);
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scenarioThread++; |
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} |
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/*start some sort of control over scenarios? - hmm morda ne...bom jutri :)*/
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pthread_exit(0);
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} |
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// HCI connection thread routine
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// Start listening to some port
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void *hciConnectionThread_routine(void *dummy) { |
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printf("hciConnectionThread_routine started\n");
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int hciErrorCode = listenTo(1100); |
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pthread_exit(0);
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} |
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// scenario thread routine
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void *scenarioThread_routine(void *dummy) |
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{ |
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scenario *scen; |
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device *inDev; |
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int active = 0; |
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float scenarioBuffer;
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/*load scenario*/
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scen = getAvailableScenario(hScenario); |
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if(!scen) pthread_exit(0); |
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// TODO add pointer to this device (all of them actually) to scenario structure - problems with segfault
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//indev = scen->inDev;
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inDev = getDevice(hDevice, scen->inDevice_id); |
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scen->buf=inDev->buf; |
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printf("Scenario %s buffer updated to %.2f!\n", scen->scen_id, inDev->buf);
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//set its value
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//*
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while(1) //TODO signal == true |
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{ |
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/// main scenario loop
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//printf("inDev->buf %.2f\n", 1.0f*inDev->buf);
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if(active)
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sleep(scen->actvChkItv); |
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else
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sleep(scen->idleChkItv); |
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//checking primary condition
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if(scen->buf) // is not null |
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{ |
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scen->buf = scen->buf*scen->alpha+inDev->buf*(1-scen->alpha);
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//printf("Scenario %s buffer updated to %f, alpha: %.2f!\n", scen->scen_id, scenarioBuffer, scen->alpha);
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syslog(LOG_MAIL, "%s:%.2f", scen->inDevice_id, scen->buf);
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active = 1;
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if((scen->buf > scen->optval + scen->tolval) ||
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(scen->buf < scen->optval - scen->tolval)) |
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{ |
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if(evaluateAdditionalConditions(scen->cond_l, hDevice))
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{ |
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// TODO syslog - "action:scen_ID:power_percentage"
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int power = getPowerPercentage(scen->minval, scen->maxval, scen->optval, &scen->buf, scen->func);
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syslog(LOG_MAIL, "%s:%s:%.2f", scen->action, scen->scen_id, power);
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printf("Zaganjam napravo %s z mocjo %d\n", scen->scen_id, power);
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/*TODO execute action with parameter(s)*/
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} |
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else
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printf("Scenario %s not updated!\n", scen->scen_id);
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} |
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else
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active = 0;
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} |
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/*
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if(active)
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printf("%s main buffer %.2f, sleeping %d\n",scen->scen_id, scen->buf, scen->actvChkItv);
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else
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printf("%s main buffer %.2f, sleeping %d\n",scen->scen_id, scen->buf, scen->idleChkItv);
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/**/
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} |
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/**/
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pthread_exit(0);
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} |
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void *randomValThread_routine(void *dummy) |
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{ |
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//get device
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device *dev; |
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dev = getAvailableDevice(hDevice); |
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if(dev){}
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else
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pthread_exit(0);
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//set its value
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while(1) //TODO signal == true |
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{ |
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dev->buf=random(100)%10+20;// random 20-30 |
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//printf("device %s buf = %d\n", dev->id, dev->buf);
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sleep(dev->readitv); |
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} |
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pthread_exit(0);
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} |
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