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Seeker now is seperate thread

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This commit is contained in:
Christos Houtouridis 2019-10-06 15:18:19 +03:00
parent d478f9a20a
commit 0f1f9ac088
7 changed files with 127 additions and 50 deletions
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45
src/client.c
View File

@ -46,7 +46,11 @@ static bool_t ping (devAEM_t dev) {
*/
static size_t seeker (void) {
size_t cnt =0; // count devices on range
sleep (settings.seekerInterval);
log_debug ("Debug: Pinging devices...\n");
devList_acquire ();
for (int i=0 ; i<AEMLIST_SIZE ; ++i) {
if (devList[i].dev == settings.me) {// Don't ping me, I'm not here, go away...
devList[i].onRange = false;
@ -59,11 +63,16 @@ static size_t seeker (void) {
if (!devList[i].begin)
devList[i].begin = time(NULL); // first time only
devList[i].end = time(NULL); // every time
log_debug ("Debug: Device %u found\n", devList[i].dev);
devList_t cDev = devList[i];
devList_release ();
log_debug ("Debug: Device %u found\n", cDev.dev);
devList_acquire ();
}
else
devList[i].onRange = false; // Where is everybody?
}
statsTimesPrint (devList);
devList_release ();
log_debug ("Debug: %d devices found\n", cnt);
return cnt;
}
@ -209,32 +218,31 @@ static void client (void) {
msgList_release ();
log_debug ("Debug: Message added to msgList at %d\n", at);
if (!seeker ()) // If we are alone skip the rest
continue;
log_debug ("Debug: Devices found on range\n");
msgList_acquire ();
mIter_t it = msgList_begin (&msgList); // get a message iterator
// for each message -> for each recipient
for (size_t i=0 ; i<msgList_size(&msgList) ; ++i, msgList_preInc (&it)) {
for (size_t j=0 ; j<AEMLIST_SIZE ; ++j) {
// get current dev instance
devList_acquire ();
devList_t currentDev = devList[j];
devList_release ();
// check when to send
if (devList[j].onRange // is on range
if (currentDev.onRange // is on range
&& !msgList.m[it].recipients[j] // we haven't send the message to that device
&& msgList.m[it].cMsg.to != settings.me // the message it's not for me
) {
if (sendMsg (devList[j].dev, &msgList.m[it].cMsg)) {
if (sendMsg (currentDev.dev, &msgList.m[it].cMsg)) {
msgList.m[it].recipients[j] = true;
msgList_release ();
statsUpdateOut (&msg, devList[j].dev);
log_msg_out (&msg, devList[j].dev);
log_debug ("Debug: Send message to device %u succeed\n", devList[j].dev);
statsUpdateOut (&msg, currentDev.dev);
log_msg_out (&msg, currentDev.dev);
log_debug ("Debug: Send message to device %u succeed\n", currentDev.dev);
msgList_acquire ();
}
else {
msgList_release ();
log_debug ("Debug: Send message to device %u failed\n", devList[j].dev);
log_debug ("Debug: Send message to device %u failed\n", currentDev.dev);
msgList_acquire ();
}
//^ we try to send the message and mark the transmission on success
@ -249,6 +257,19 @@ static void client (void) {
return;
}
/*!
* pthread wrapper for \sa seeker()
* @param ptr
*/
void* pthSeeker (void* ptr) {
(void)&ptr; // use parameter
while (true)
seeker ();
exit(1); // we should not be here
return NULL;
}
/*!
* pthread wrapper for \sa client()
* @param ptr

2
src/client.h
View File

@ -10,7 +10,7 @@
#include "core.h"
#include "msg_impl.h"
void* pthSeeker (void* ptr);
void* pthClient (void* ptr);
#endif /* __client_h__ */

65
src/core.c
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@ -23,6 +23,7 @@ msgList_t msgList; //!< The message list for our application.
* Local data types
*/
static pthread_mutex_t lock_msgList; //!< mutex for msgList locking
static pthread_mutex_t lock_devList; //!< mutex for devList locking
static pthread_mutex_t lock_stderr; //!< mutex for stderr locking
static pthread_mutex_t lock_stdout; //!< mutex for stderr locking
static pthread_mutex_t lock_stats; //!< mutex for stats locking
@ -366,18 +367,26 @@ void msg_init (msg_t* msg) {
//! @}
//! msgList API
//! devList API
//! @{
/*! Macro helper to saturate increased values */
#define _top_saturate(test, apply, value) do { \
if (test >= value) apply = value; \
} while (0)
/*!
* Initialize the devList
* @param msgList Pointer to mesList t initialize
* @return The status of the operation
*/
status_t devList_init (devList_t* devList) {
devAEM_t l[] = AEMLIST;
if (pthread_mutex_init(&lock_devList, NULL) != 0) {
log_error ("Error: mutex init has failed\n");
return MSG_ERROR;
}
memset ((void*)devList, 0, sizeof(devList_t));
for (size_t i =0 ; i<AEMLIST_SIZE ; ++i)
devList[i].dev = l[i];
/*! Macro helper to saturate decreased values */
#define _btm_saturate(test, apply, value) do { \
if (test < value) apply = value; \
while (0)
return MSG_OK;
}
/*!
* Returns an iterator for \sa devList AND \sa msg_t.recipients
@ -392,6 +401,26 @@ dIter_t devList_getIter (devAEM_t dev) {
return -1; // return end()
}
//! Acquires devList resources
void devList_acquire (void) { pthread_mutex_lock(&lock_devList); }
//! Releases devList resources
void devList_release (void) { pthread_mutex_unlock(&lock_devList); }
//! @}
//! msgList API
//! @{
/*! Macro helper to saturate increased values */
#define _top_saturate(test, apply, value) do { \
if (test >= value) apply = value; \
} while (0)
/*! Macro helper to saturate decreased values */
#define _btm_saturate(test, apply, value) do { \
if (test < value) apply = value; \
while (0)
/*!
* Initialize the msgList
* @param msgList Pointer to mesList t initialize
@ -643,14 +672,28 @@ status_t statsPrint (stats_t* stats) {
fprintf (fp, "Out direct messages: %d\n", stats->outDirectMsg);
fprintf (fp, "Average message size: %g\n", stats->avMsgSize);
fprintf (fp, "Average time to me: %g\n", stats->avTimeToMe);
fclose (fp);
return MSG_OK;
}
/*!
* Device online timing print functionality
* @param devList Pointer to devList to print
* @return The status of the operation
*/
status_t statsTimesPrint (devList_t *devList) {
FILE* fp = fopen ("devices.txt", "w");
if (fp == NULL) {
fclose (fp);
return MSG_ERROR;
}
fprintf (fp, "\n Device timings\n================\n");
for (size_t i =0 ; i<AEMLIST_SIZE ; ++i) {
fprintf (fp, " Device %u found on %lld, last: %lld\n",
fprintf (fp, "Device %u found on %lld, last: %lld\n",
devList[i].dev, devList[i].begin, devList[i].end);
}
fclose (fp);
return MSG_OK;
}
//! @}

4
src/core.h
View File

@ -29,7 +29,10 @@ bool_t cMsg_equal (cMsg_t* m1, cMsg_t* m2);
void msg_init (msg_t* msg);
status_t devList_init (devList_t* devList);
dIter_t devList_getIter (devAEM_t dev);
void devList_acquire (void);
void devList_release (void);
mIter_t msgList_preInc (mIter_t* it);
mIter_t msgList_preDec (mIter_t* it);
@ -47,6 +50,7 @@ void statsUpdateCreate (msg_t* msg);
void statsUpdateIn (msg_t* msg, bool_t dup);
void statsUpdateOut (msg_t* msg, devAEM_t dev);
status_t statsPrint (stats_t* stats);
status_t statsTimesPrint (devList_t *devList);
status_t log_init(void);
void log_msg_in (msg_t* msg);

11
src/listener.c
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@ -43,14 +43,19 @@ static void listen_handler (devAEM_t dev, char_t* buffer, size_t size) {
// We have a copy
msgList_release ();
statsUpdateIn (&msg, true); // message process
log_debug("Debug: Duplicate message from: %d\n", msg.sender);
log_debug ("Debug: Duplicate message from: %d\n", msg.sender);
}
// Processing...
devList_acquire();
dIter_t d = devList_getIter (dev);
dIter_t f = devList_getIter (msg.cMsg.from);
devList_release();
msgList_acquire ();
// Do not echo message to sender, he already has it
msgList.m[myCopy].recipients[devList_getIter (dev)] = true;
msgList.m[myCopy].recipients[d] = true;
// don't push back message to creator, he already has it
msgList.m[myCopy].recipients[devList_getIter (msg.cMsg.from)] = true;
msgList.m[myCopy].recipients[f] = true;
msgList_release ();
}

26
src/main.c
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@ -1,6 +1,6 @@
/*!
* \file main.c
* This is the main file of the RTES final task
* This is the main file of the RTES final task.
*
* \author Christos Choutouridis AEM:8997 <cchoutou@ece.auth.gr>
*/
@ -21,24 +21,23 @@
*/
//! @{
settings_t settings_init (settings);
devList_t devList_init(devList[AEMLIST_SIZE]);
stats_t stats;
settings_t settings_init (settings); //!< Application settings
devList_t devList[AEMLIST_SIZE]; //!< Device list
stats_t stats; //!< Statistical data
//! @}
/*!
* CLI short options
*/
const char *short_opt = "li:v:p:s:w:th";
const char *short_opt = "v:i:p:s:w:th";
/*!
* CLI long options
*/
const struct option long_opt[] = {
{"port", required_argument, NULL, 'l'},
{"interval", required_argument, NULL, 'i'},
{"outlevel", required_argument, NULL, 'v'},
{"interval", required_argument, NULL, 'i'},
{"pingtimeout",required_argument, NULL, 'p'},
{"sendtimeout",required_argument, NULL, 's'},
{"who", required_argument, NULL, 'w'},
@ -50,7 +49,7 @@ const struct option long_opt[] = {
/*!
* \brief
* Parse input argument and fill the kcli_input_t struct
* \param in Pointer to \ref kcli_input_t structure to fill
* \param s Pointer to settings_t data to fill
* \param argc The argument count as passed to the main()
* \param argv Argument array as passed to the main()
* \return The status of the operation
@ -65,13 +64,12 @@ int parse_args (settings_t *s, int argc, char const *argv[]) {
case -1: /* no more arguments */
case 0: /* long options toggles */
break;
case 'l': s->port = atoi(optarg); break;
case 'i': s->msgInterval = atoi (optarg); break;
case 'v':
s->outLevel = atoi (optarg);
if (s->outLevel >= OUTLEVEL_2) s->outLevel = OUTLEVEL_2;
if (s->outLevel < OUTLEVEL_0) s->outLevel = OUTLEVEL_0;
break;
case 'i': s->seekerInterval = atoi (optarg); break;
case 'p': s->pingTimeout = atoi (optarg); break;
case 's': s->sendTimeout.tv_sec = atoi (optarg); break;
case 'w': s->me = atoi (optarg); break;
@ -89,22 +87,26 @@ int parse_args (settings_t *s, int argc, char const *argv[]) {
}
int main(int argc, char const *argv[]) {
int main (int argc, char const *argv[]) {
// get command line arguments
parse_args (&settings, argc, argv);
// Initialize all subsystems
log_init ();
stats_init (&stats);
devList_init (devList);
msgList_init (&msgList);
// Create threads
pthread_t ptL, ptC;
pthread_t ptL, ptS, ptC;
pthread_create (&ptL, NULL, pthListener, NULL);
pthread_create (&ptS, NULL, pthSeeker, NULL);
pthread_create (&ptC, NULL, pthClient, NULL);
// block here
pthread_join (ptL, NULL);
pthread_join (ptS, NULL);
pthread_join (ptC, NULL);
return 0;
}

24
src/msg_impl.h
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@ -21,17 +21,17 @@
*/
#define AEMLIST_SIZE (10)
#define devList_init(l) l = { \
{ 7700, 0, 0, 0}, \
{ 8261, 0, 0, 0}, \
{ 8765, 0, 0, 0}, \
{ 8844, 0, 0, 0}, \
{ 8880, 0, 0, 0}, \
{ 8861, 0, 0, 0}, \
{ 8877, 0, 0, 0}, \
{ 8941, 0, 0, 0}, \
{ 8934, 0, 0, 0}, \
{ 8997, 0, 0, 0} \
#define AEMLIST { \
7700, \
8261, \
8765, \
8844, \
8880, \
8861, \
8877, \
8941, \
8934, \
8997 \
}
/*!
@ -217,6 +217,7 @@ typedef enum {
typedef struct {
devAEM_t me;
uint16_t port;
time_t seekerInterval;
time_t msgInterval;
time_t msgRand;
outLevel_en outLevel;
@ -230,6 +231,7 @@ extern settings_t settings;
#define settings_init(s) s = { \
.me = 8997, \
.port = 2288, \
.seekerInterval = 30, \
.msgInterval = 60, \
.msgRand = 240, \
.outLevel = OUTLEVEL_1, \