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router.c
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router.c
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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
/* inet_aton -> per utilizzarla in gcc: __USE_MISC */
#define __USE_MISC
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <pthread.h>
#include "buffer.h"
#include "list.h"
#include "router.h"
#include <gsl/gsl_matrix.h>
#define DIM_BUFFER 1000
#define POISON_ID -1
struct msg_t {
int msg_id;
int msg_time;
float msg_x;
float msg_z;
};
struct routing_table_t {
int dimension;
list list_table;
};
struct router_t {
int router_id;
struct routing_table_t routing_table;
pthread_mutex_t router_mutex;
};
struct parametri_accepter_t {
int accepter_agents_number;
char *accepter_address;
int accepter_port;
list accepter_lista_buffer;
int accepter_in_out;
};
struct parametri_dispatcher_t {
buffer dispatcher_buffer_in;
list dispatcher_lista_buffer_out;
};
struct parametri_receiver_t {
int receiver_id;
int receiver_socket;
buffer receiver_buffer;
};
struct parametri_sender_t {
int sender_id;
int sender_socket;
buffer sender_buffer;
};
typedef struct msg_t *msg;
typedef struct parametri_accepter_t *parametri_accepter;
typedef struct parametri_dispatcher_t *parametri_dispatcher;
typedef struct parametri_receiver_t *parametri_receiver;
typedef struct parametri_sender_t *parametri_sender;
static pthread_mutex_t router_class_mutex;
static int routerObjectsNumber = 0;
static int numero_receiver_vivi = 0;
static int numero_dispatcher_vivi = 0;
static int numero_sender_vivi = 0;
static void initClassRouter() {
pthread_mutex_init(&(router_class_mutex), NULL);
}
static void cleanClassRouter() {
pthread_mutex_destroy(&(router_class_mutex));
}
router allocRouter() {
router router_M_;
if (routerObjectsNumber == 0) initClassRouter();
routerObjectsNumber++;
router_M_ = (router) malloc(sizeof (struct router_t));
pthread_mutex_init(&(router_M_->router_mutex), NULL);
return router_M_;
}
void freeRouter(router _F_router) {
pthread_mutex_destroy(&(_F_router->router_mutex));
free(_F_router);
_F_router = NULL;
routerObjectsNumber--;
if (routerObjectsNumber == 0) cleanClassRouter();
}
static int listenFrom(char * _ip_address_local, int _ip_port_local) {
int socket_M_;
struct sockaddr_in sockaddr_in_local_;
memset(&sockaddr_in_local_, 0, sizeof (sockaddr_in_local_));
sockaddr_in_local_.sin_family = AF_INET;
sockaddr_in_local_.sin_port = htons(_ip_port_local);
inet_aton(_ip_address_local, &(sockaddr_in_local_.sin_addr));
if ((socket_M_ = socket(AF_INET, SOCK_STREAM, 0)) == -1) {
perror("listenFrom: socket() Error\n");
exit(1);
}
if (bind(socket_M_, (struct sockaddr *) & sockaddr_in_local_, sizeof (struct sockaddr_in)) == -1) {
perror("listenFrom: bind() Error\n");
exit(1);
}
if (listen(socket_M_, 1) == -1) {
perror("listenFrom: listen() Error\n");
exit(1);
}
return socket_M_;
}
static void sendMsg(int _socket, msg _msg) {
if (send(_socket, _msg, sizeof (struct msg_t), 0) == -1) {
perror("sendMsg: send() Error\n");
exit(1);
};
/*
int net_id;
int net_x;
int net_z;
net_id = htonl(_msg->msg_id);
if (send(_socket, &net_id, sizeof (net_id), 0) == -1) {
perror("sendMsg: send() Error\n");
exit(1);
};
net_x = htonl(_msg->msg_x);
if (send(_socket, &net_x, sizeof (net_x), 0) == -1) {
perror("sendMsg: send() Error\n");
exit(1);
};
net_z = htonl(_msg->msg_z);
if (send(_socket, &net_z, sizeof (net_z), 0) == -1) {
perror("sendMsg: send() Error\n");
exit(1);
};
*/
}
static msg recvMsg(int _socket) {
msg _M_msg = (struct msg_t *) malloc(sizeof (struct msg_t));
if (recv(_socket, _M_msg, sizeof (struct msg_t), 0) == -1) {
perror("recvMsg: recv() Error\n");
exit(1);
}
/*
int net_id;
int net_x;
int net_z;
msg _M_msg = (struct msg_t *) malloc(sizeof (struct msg_t));
if (recv(_socket, &net_id, sizeof (net_id), 0) == -1) {
perror("recvMsg: recv() Error\n");
exit(1);
}
_M_msg->msg_id = ntohl(net_id);
if (recv(_socket, &net_x, sizeof (net_x), 0) == -1) {
perror("recvMsg: recv() Error\n");
exit(1);
}
_M_msg->msg_x = ntohl(net_x);
if (recv(_socket, &net_z, sizeof (net_z), 0) == -1) {
perror("recvMsg: recv() Error\n");
exit(1);
}
_M_msg->msg_z = ntohl(net_z);
*/
return _M_msg;
}
static parametri_receiver allocParamReceiver(int _receiver_socket, buffer _receiver_buffer) {
parametri_receiver _M_parametri_receiver = (parametri_receiver) malloc(sizeof (struct parametri_receiver_t));
_M_parametri_receiver->receiver_socket = _receiver_socket;
_M_parametri_receiver->receiver_buffer = _receiver_buffer;
return _M_parametri_receiver;
}
/*
* Quando il Receiver riceve dall'agent un messaggio con id = POISON_ID allora:
* - lo inoltra nel buffer
* - chiude la connessione con l'agent
* - fa il fflush del file di log e lo chiude
* - decrementa numero_receiver_vivi
* - termina
*/
static void *runReceiver(void *_parametri_receiver) {
parametri_receiver _parametri = (parametri_receiver) _parametri_receiver;
int _receiver_socket = _parametri->receiver_socket;
buffer _receiver_buffer = _parametri->receiver_buffer;
msg _msg;
int _receiver_id;
FILE *receiver_log;
char receiver_log_file_name[FILENAME_MAX];
/*
* Riceve il messaggio di presentazione dall'agent
* - imposta l'id del receiver
* - imposta l'id del _receiver_buffer
* - reinvia all'agent il messaggio ricevuto
*/
_msg = recvMsg(_receiver_socket);
_receiver_id = _msg->msg_id;
setBufferID(_receiver_buffer, _receiver_id);
/*
* Apre il file di log
*/
sprintf(receiver_log_file_name, "receiver_%d.log", _receiver_id);
receiver_log = fopen(receiver_log_file_name, "w");
if (receiver_log == NULL) {
perror("Errore apertura file: \"receiver.log\"\n");
exit(1);
};
setbuf(receiver_log, NULL);
fprintf(receiver_log, "R%d: Open log\n", _receiver_id);
/*sleep(1);*/
fprintf(receiver_log, "R%d: Parametri invocazione:\n", _receiver_id);
fprintf(receiver_log, "R%d: Wait: rcv\n", _receiver_id);
fprintf(receiver_log, "R%d: > (%d,%d,%f,%f)\n", _receiver_id, _msg->msg_id, _msg->msg_time, _msg->msg_x, _msg->msg_z);
fprintf(receiver_log, "R%d: Wait: rcv\n", _receiver_id);
/*
* Riceve un messaggio e lo pone nel buffer finchè non riceve il POISON_ID
*/
_msg = recvMsg(_receiver_socket);
fprintf(receiver_log, "R%d: > (%d,%d,%f,%f)\n", _receiver_id, _msg->msg_id, _msg->msg_time, _msg->msg_x, _msg->msg_z);
fprintf(receiver_log, "R%d: Loop:\n", _receiver_id);
fprintf(receiver_log, "R%d: > while(msg != POISON_ID)\n", _receiver_id);
fprintf(receiver_log, "R%d: --- Loop Start ---\n", _receiver_id);
while (_msg->msg_id != POISON_ID) {
putInBuffer_blocking(_receiver_buffer, _msg);
fprintf(receiver_log, "R%d: >>> putInBuffer(%d,%d,%f,%f)\n", _receiver_id, _msg->msg_id, _msg->msg_time, _msg->msg_x, _msg->msg_z);
fprintf(receiver_log, "R%d: >>> Wait: rcv\n", _receiver_id);
_msg = recvMsg(_receiver_socket);
};
fprintf(receiver_log, "R%d: ---- Loop End ----\n", _receiver_id);
fprintf(receiver_log, "R%d: Signal:\n", _receiver_id);
putInBuffer_blocking(_receiver_buffer, _msg);
fprintf(receiver_log, "R%d: > putInBuffer(%d,%d,%f,%f) \n", _receiver_id, _msg->msg_id, _msg->msg_time, _msg->msg_x, _msg->msg_z);
fprintf(receiver_log, "R%d: Socket:\n", _receiver_id);
/*
* Chiude la connessione con l'agent
*/
send(_receiver_socket, "", 1, 0);
close(_receiver_socket);
fprintf(receiver_log, "R%d: > close receiver socket\n", _receiver_id);
fprintf(receiver_log, "R%d: Memoria\n", _receiver_id);
free(_parametri_receiver);
fprintf(receiver_log, "R%d: > parametri\n", _receiver_id);
/*
* fflush e chiusura del logfile
*/
fprintf(receiver_log, "R%d: Close log\n", _receiver_id);
fflush(receiver_log);
fclose(receiver_log);
/* Decrementa numero_receiver_vivi e termina*/
numero_receiver_vivi--;
return NULL;
}
static parametri_sender allocParamSender(int _sender_socket, buffer _sender_buffer) {
parametri_sender _M_parametri_sender = (parametri_sender) malloc(sizeof (struct parametri_sender_t));
_M_parametri_sender->sender_socket = _sender_socket;
_M_parametri_sender->sender_buffer = _sender_buffer;
return _M_parametri_sender;
}
/*
* Quando il Sender prende dal buffer un messaggio con id = POISON_ID
* vuol dire che quello è l'ultimo messaggio e il buffer non ne contiene altri:
* - attende che i dispatcher siano morti
* - elimina il sender buffer associato
* - chiude la connessione con l'agent
* - fa il fflush del file di log e lo chiude
* - decrementa numero_sender_buffer
* - termina
*/
static void *runSender(void *_parametri_sender) {
parametri_sender _parametri = (parametri_sender) _parametri_sender;
int _sender_socket = _parametri->sender_socket;
buffer _sender_buffer = _parametri->sender_buffer;
int _sender_id;
msg _msg;
FILE *sender_log;
char sender_log_file_name[FILENAME_MAX];
/*
* Riceve il messaggio di presentazione dall'agent:
* - imposta l'id del sender
* - imposta l'id del _sender_buffer
* - reinvia all'agent il messaggio ricevuto
*/
_msg = recvMsg(_sender_socket);
_sender_id = _msg->msg_id;
setBufferID(_sender_buffer, _sender_id);
/*
* Apre il file di log
*/
sprintf(sender_log_file_name, "sender_%d.log", _sender_id);
sender_log = fopen(sender_log_file_name, "w");
if (sender_log == NULL) {
perror("Errore apertura file: \"sender.log\"\n");
exit(1);
};
setbuf(sender_log, NULL);
fprintf(sender_log, "S%d: Open log\n", _sender_id);
/*sleep(1);*/
fprintf(sender_log, "S%d: Parametri di invocazione:\n", _sender_id);
fprintf(sender_log, "S%d: Wait: rcv\n", _sender_id);
fprintf(sender_log, "S%d: > (%d,%d,%f,%f)\n", _sender_id, _msg->msg_id, _msg->msg_time, _msg->msg_x, _msg->msg_z);
fprintf(sender_log, "S%d: Wait: getFromBuffer\n", _sender_id);
/*
* Riceve un messaggio e lo pone nel buffer finchè non riceve il POISON_ID
*/
_msg = getFromBuffer_blocking(_sender_buffer);
fprintf(sender_log, "S%d: > (%d,%d,%f,%f)\n", _sender_id, _msg->msg_id, _msg->msg_time, _msg->msg_x, _msg->msg_z);
fprintf(sender_log, "S%d: Loop:\n", _sender_id);
fprintf(sender_log, "S%d: > while(msg != POISON_ID)\n", _sender_id);
fprintf(sender_log, "S%d: --- Loop Start ---\n", _sender_id);
while (_msg->msg_id != POISON_ID) {
sendMsg(_sender_socket, _msg);
fprintf(sender_log, "S%d: >>> snd (%d,%d,%f,%f)\n", _sender_id, _msg->msg_id, _msg->msg_time, _msg->msg_x, _msg->msg_z);
fprintf(sender_log, "S%d: >>> Wait: getFromBuffer\n", _sender_id);
_msg = getFromBuffer_blocking(_sender_buffer);
};
fprintf(sender_log, "S%d: ---- Loop End ----\n", _sender_id);
fprintf(sender_log, "S%d: Wait:\n", _sender_id);
/*
* Attende che tutti i dispatcher siano morti
*/
fprintf(sender_log, "S%d: > while(dispatcher > 0)\n", _sender_id);
while (numero_dispatcher_vivi > 0);
fprintf(sender_log, "S%d: Socket:\n", _sender_id);
/*
* Chiude la connessione con l'agent
*/
send(_sender_socket, "", 1, 0);
close(_sender_socket);
fprintf(sender_log, "S%d: > close sender socket\n", _sender_id);
fprintf(sender_log, "S%d: Memoria:\n", _sender_id);
/*
* Elimina il receiver buffer associato
*/
freeBuffer(_sender_buffer);
fprintf(sender_log, "S%d: > free(sender_buffer)\n", _sender_id);
free(_parametri_sender);
fprintf(sender_log, "S%d: > parametri\n", _sender_id);
/*
* fflush e chiusura del logfile
*/
fprintf(sender_log, "S%d: Close log\n", _sender_id);
fflush(sender_log);
fclose(sender_log);
/* Decrementa numero_sender_vivi e termina*/
numero_sender_vivi--;
return NULL;
}
static parametri_accepter allocParamAccepter(int _accepter_agents_number, char *_accepter_address, int _accepter_port, list _accepter_lista_buffer, int _accepter_in_out) {
parametri_accepter _M_parametri_accepter = (parametri_accepter) malloc(sizeof (struct parametri_accepter_t));
_M_parametri_accepter->accepter_agents_number = _accepter_agents_number;
_M_parametri_accepter->accepter_address = _accepter_address;
_M_parametri_accepter->accepter_port = _accepter_port;
_M_parametri_accepter->accepter_lista_buffer = _accepter_lista_buffer;
_M_parametri_accepter->accepter_in_out = _accepter_in_out;
return _M_parametri_accepter;
}
/*
* Quando l'accepter riceve _accepter_agents_number connessioni in input e in output
* vuol dire che tutti gli agents si sono collegati:
* - chiude le due porte in listening
* - fa il fflush del file di log e lo chiude
* - termina
*/
static void *runAccepter(void *_parametri_accepter) {
parametri_accepter _parametri = (parametri_accepter) _parametri_accepter;
int _accepter_agents_number;
char *_accepter_address;
int _accepter_port;
list _accepter_lista_buffer;
int _accepter_in_out;
int listening_socket;
int communication_socket;
FILE *accepter_log;
char *accepter_log_file_name;
char *in_out;
char *accepter_error;
/* Apre il file di log */
_accepter_in_out = _parametri->accepter_in_out;
if (_accepter_in_out == 0) {
accepter_log_file_name = "accepter_in.log";
accepter_error = "Errore apertura file: \"accepter_in.log\"\n";
in_out = "AI";
} else {
accepter_log_file_name = "accepter_out.log";
accepter_error = "Errore apertura file: \"accepter_out.log\"\n";
in_out = "AO";
};
accepter_log = fopen(accepter_log_file_name, "w");
if (accepter_log == NULL) {
perror(accepter_error);
exit(1);
};
setbuf(accepter_log, NULL);
fprintf(accepter_log, "%s: Open log\n", in_out);
fprintf(accepter_log, "%s: Parametri di invocazione:\n", in_out);
_accepter_agents_number = _parametri->accepter_agents_number;
fprintf(accepter_log, "%s: > %d\n", in_out, _accepter_agents_number);
_accepter_address = _parametri->accepter_address;
fprintf(accepter_log, "%s: > %s\n", in_out, _accepter_address);
_accepter_port = _parametri->accepter_port;
fprintf(accepter_log, "%s: > %d\n", in_out, _accepter_port);
_accepter_lista_buffer = _parametri->accepter_lista_buffer;
fprintf(accepter_log, "%s: > %d\n", in_out, _accepter_in_out);
fprintf(accepter_log, "%s: Socket:\n", in_out);
fprintf(accepter_log, "%s: > listenFrom(%s,%d)\n", in_out, _accepter_address, _accepter_port);
listening_socket = listenFrom(_accepter_address, _accepter_port);
if (_accepter_in_out == 0) {
fprintf(accepter_log, "%s: Loop:\n", in_out);
fprintf(accepter_log, "%s: > while(receiver < agents)\n", in_out);
fprintf(accepter_log, "%s: ---------- Loop Start ----------\n", in_out);
while (numero_receiver_vivi < _accepter_agents_number) {
buffer _M_buffer = allocBuffer(DIM_BUFFER);
pthread_t receiver_;
if ((communication_socket = accept(listening_socket, NULL, NULL)) == -1) {
perror("Accepter accept() Error\n");
exit(1);
}
fprintf(accepter_log, "%s: >>> accept connection\n", in_out);
addElementToList(_accepter_lista_buffer, _M_buffer);
numero_receiver_vivi++;
pthread_create(&receiver_, NULL, &runReceiver, allocParamReceiver(communication_socket, _M_buffer));
}
fprintf(accepter_log, "%s: ----------- Loop End -----------\n", in_out);
} else {
fprintf(accepter_log, "%s: Loop:\n", in_out);
fprintf(accepter_log, "%s: > while(sender < agents)\n", in_out);
fprintf(accepter_log, "%s: --------- Loop Start ---------\n", in_out);
while (numero_sender_vivi < _accepter_agents_number) {
buffer _M_buffer = allocBuffer(DIM_BUFFER);
pthread_t sender_;
if ((communication_socket = accept(listening_socket, NULL, NULL)) == -1) {
perror("Accepter accept() Error\n");
exit(1);
}
fprintf(accepter_log, "%s: >>> accept connection\n", in_out);
addElementToList(_accepter_lista_buffer, _M_buffer);
numero_sender_vivi++;
pthread_create(&sender_, NULL, &runSender, allocParamSender(communication_socket, _M_buffer));
}
fprintf(accepter_log, "%s: ---------- Loop End ----------\n", in_out);
}
fprintf(accepter_log, "%s: Socket:\n", in_out);
/*
* Chiude le due porte in listening
*/
close(listening_socket);
fprintf(accepter_log, "%s: > close listen socket\n", in_out);
fprintf(accepter_log, "%s: Memoria:\n", in_out);
free(_parametri_accepter);
fprintf(accepter_log, "%s: > parametri\n", in_out);
/*
* fflush e chiusura del logfile
*/
fprintf(accepter_log, "%s: Close log\n", in_out);
fflush(accepter_log);
fclose(accepter_log);
return NULL;
}
static parametri_dispatcher allocParamDispatcher(buffer _dispatcher_buffer_in, list _dispatcher_lista_buffer_out) {
parametri_dispatcher _M_parametri_dispatcher = (parametri_dispatcher) malloc(sizeof (struct parametri_dispatcher_t));
_M_parametri_dispatcher->dispatcher_buffer_in = _dispatcher_buffer_in;
_M_parametri_dispatcher->dispatcher_lista_buffer_out = _dispatcher_lista_buffer_out;
return _M_parametri_dispatcher;
}
/*
* Quando il dispatcher riceve il POISON_ID allora:
* - lo inoltra nel sender buffer associato e solo in quello
* - attende che tutti i receiver siano morti
* - elimina il receiver buffer associato
* - fa il fflush del file di log e lo chiude
* - decrementa numero_dispatcher_vivi
* - termina
*/
static void *runDispatcher(void *_parametri_dispatcher) {
parametri_dispatcher _parametri = (parametri_dispatcher) _parametri_dispatcher;
buffer _dispatcher_buffer_in = _parametri->dispatcher_buffer_in;
list _dispatcher_lista_buffer_out;
int _dispatcher_id;
int _sender_buffer_id;
list_iterator it_out;
buffer _sender_buffer;
msg _msg;
gsl_matrix *_dispatcher_adjacency_matrix;
FILE *dispatcher_adjacency_matrix_file;
FILE *dispatcher_log;
char dispatcher_log_file_name[FILENAME_MAX];
_dispatcher_adjacency_matrix = gsl_matrix_alloc(6, 6);
dispatcher_adjacency_matrix_file = fopen("adjacency_matrix.txt", "r");
gsl_matrix_fscanf(dispatcher_adjacency_matrix_file, _dispatcher_adjacency_matrix);
fclose(dispatcher_adjacency_matrix_file);
/*
gsl_matrix_fprintf(stdout, adjacency_matrix, "%f");
printf("valore 0,0 = %f\n",gsl_matrix_get(adjacency_matrix,0,0));
printf("valore 1,0 = %f\n",gsl_matrix_get(adjacency_matrix,1,0));
printf("valore 0,1 = %f\n",gsl_matrix_get(adjacency_matrix,0,1));
printf("valore 1,1 = %f\n",gsl_matrix_get(adjacency_matrix,1,1));
*/
/* Apre il file di log impostando il suo id a quello del buffer associato */
_dispatcher_id = getBufferID(_dispatcher_buffer_in);
sprintf(dispatcher_log_file_name, "dispatcher_%d.log", _dispatcher_id);
dispatcher_log = fopen(dispatcher_log_file_name, "w");
if (dispatcher_log == NULL) {
perror("Errore apertura file: \"dispatcher.log\"\n");
exit(1);
};
setbuf(dispatcher_log, NULL);
fprintf(dispatcher_log, "D%d: Open log\n", _dispatcher_id);
/*sleep(1);*/
fprintf(dispatcher_log, "D%d: Parametri di invocazione:\n", _dispatcher_id);
_dispatcher_lista_buffer_out = _parametri->dispatcher_lista_buffer_out;
fprintf(dispatcher_log, "D%d: Wait:\n", _dispatcher_id);
fprintf(dispatcher_log, "D%d: > getFromBuffer(receiver_buffer)\n", _dispatcher_id);
/*
* Riceve un messaggio e lo pone in tutti i sender buffer finchè non riceve il POISON_ID
*/
_msg = getFromBuffer_blocking(_dispatcher_buffer_in);
fprintf(dispatcher_log, "D%d: ----------- Loop Start -----------\n", _dispatcher_id);
while (_msg->msg_id != POISON_ID) {
it_out = allocListIterator(_dispatcher_lista_buffer_out);
while (hasNextList(it_out) == 1) {
int i;
_sender_buffer = nextElementFromList(it_out);
_sender_buffer_id = getBufferID(_sender_buffer);
i = gsl_matrix_get(_dispatcher_adjacency_matrix, _sender_buffer_id - 1, _dispatcher_id - 1);
/* i = 1;*/
/* fprintf(dispatcher_log, "sender %d receiver %d matrix_get %d\n", _sender_buffer_id, _dispatcher_id, i); */
if (i == 1) {
putInBuffer_blocking(_sender_buffer, _msg);
fprintf(dispatcher_log, "D%d: > (%d,%d,%f,%f) > %d\n", _dispatcher_id, _msg->msg_id, _msg->msg_time, _msg->msg_x, _msg->msg_z, _sender_buffer_id);
}
}
freeListIterator(it_out);
fprintf(dispatcher_log, "D%d: ----------------------------------\n", _dispatcher_id);
_msg = getFromBuffer_blocking(_dispatcher_buffer_in);
}
fprintf(dispatcher_log, "D%d: ------------ Loop End ------------\n", _dispatcher_id);
/*
* Inoltra nel sender buffer associato e solo in quello il POISON_ID
*/
it_out = allocListIterator(_dispatcher_lista_buffer_out);
_sender_buffer = nextElementFromList(it_out);
_sender_buffer_id = getBufferID(_sender_buffer);
while (_sender_buffer_id != _dispatcher_id) {
_sender_buffer = nextElementFromList(it_out);
_sender_buffer_id = getBufferID(_sender_buffer);
}
putInBuffer_blocking(_sender_buffer, _msg);
fprintf(dispatcher_log, "D%d: Signal:\n", _dispatcher_id);
fprintf(dispatcher_log, "D%d: > snd (%d,%d,%f,%f) > %d\n", _dispatcher_id, _msg->msg_id, _msg->msg_time, _msg->msg_x, _msg->msg_z, _sender_buffer_id);
fprintf(dispatcher_log, "D%d: Wait:\n", _dispatcher_id);
fprintf(dispatcher_log, "D%d: > numero_receiver_vivi > 0\n", _dispatcher_id);
/*
* Attende che tutti i receiver siano morti
*/
while (numero_receiver_vivi > 0);
fprintf(dispatcher_log, "D%d: Memoria:\n", _dispatcher_id);
/*
* free delle variabili usate
*/
freeBuffer(_dispatcher_buffer_in);
fprintf(dispatcher_log, "D%d: > free(receiver_buffer)\n", _dispatcher_id);
free(_parametri_dispatcher);
fprintf(dispatcher_log, "D%d: > parametri\n", _dispatcher_id);
/*
* Fa il fflush del file di log e lo chiude
*/
fprintf(dispatcher_log, "D%d: Close log\n", _dispatcher_id);
fflush(dispatcher_log);
fclose(dispatcher_log);
/*
* Decrementa numero_dispatcher_vivi e termina
*/
numero_dispatcher_vivi--;
return NULL;
}
parametri_router allocParamRouter(char *_router_ip_to_listen, int _port_client_to_router, int _port_router_to_client) {
parametri_router _M_parametri_router = (struct parametri_router_t *) malloc(sizeof (struct parametri_router_t));
_M_parametri_router->router_ip_to_listen = _router_ip_to_listen;
_M_parametri_router->port_router_to_client = _port_router_to_client;
_M_parametri_router->port_client_to_router = _port_client_to_router;
return _M_parametri_router;
}
void *runRouter(void *_parametri_router) {
parametri_router _parametri = (parametri_router) _parametri_router;
char *_router_ip_to_listen;
int _port_client_to_router;
int _port_router_to_client;
int _router_agents_number;
list lista_buffer_in_M_;
list_iterator it_in;
buffer _buffer_in;
list lista_buffer_out_M_;
pthread_t dispatcher_T_;
pthread_t accepter_in_T_;
pthread_t accepter_out_T_;
FILE *router_log;
/*
* Apre il file di log
*/
router_log = fopen("router.log", "w");
if (router_log == NULL) {
perror("Errore apertura file: \"router.log\"\n");
exit(1);
};
setbuf(router_log, NULL);
fprintf(router_log, ": Open log\n");
fprintf(router_log, ": Parametri di invocazione:\n");
_router_ip_to_listen = _parametri->router_ip_to_listen;
fprintf(router_log, ": > _router_ip_to_listen = %s\n", _router_ip_to_listen);
_port_client_to_router = _parametri->port_client_to_router;
fprintf(router_log, ": > _port_client_to_router = %d\n", _port_client_to_router);
_port_router_to_client = _parametri->port_router_to_client;
fprintf(router_log, ": > _port_router_to_client = %d\n", _port_router_to_client);
fprintf(router_log, ": Memoria:\n");
_router_agents_number = 6;
fprintf(router_log, ": > _router_agents_number = %d\n", _router_agents_number);
lista_buffer_in_M_ = allocList();
fprintf(router_log, ": > alloc(lista_buffer_in)\n");
lista_buffer_out_M_ = allocList();
fprintf(router_log, ": > alloc(lista_buffer_out)\n");
/*
* Fa partire i due accepter (threads)
*/
pthread_create(&accepter_in_T_, NULL, &runAccepter, allocParamAccepter(_router_agents_number, _router_ip_to_listen, _port_client_to_router, lista_buffer_in_M_, 0));
fprintf(router_log, ": Thread -< Accepter():\n");
fprintf(router_log, ": > _accepter_agents_number = %d\n", _router_agents_number);
fprintf(router_log, ": > _accepter_address = %s\n", _router_ip_to_listen);
fprintf(router_log, ": > _accepter_port = %d\n", _port_client_to_router);
fprintf(router_log, ": > _accepter_in_out = %d\n", 0);
pthread_create(&accepter_out_T_, NULL, &runAccepter, allocParamAccepter(_router_agents_number, _router_ip_to_listen, _port_router_to_client, lista_buffer_out_M_, 1));
fprintf(router_log, ": Thread -< Accepter():\n");
fprintf(router_log, ": > _accepter_agents_number = %d\n", _router_agents_number);
fprintf(router_log, ": > _accepter_address = %s\n", _router_ip_to_listen);
fprintf(router_log, ": > _accepter_port = %d\n", _port_router_to_client);
fprintf(router_log, ": > _accepter_in_out = %d\n", 1);
/*
* Attende che i due accepter abbiano terminato il loro compito
*/
fprintf(router_log, ": Wait:\n");
fprintf(router_log, ": > pthread_join(accepter_out)\n");
pthread_join(accepter_out_T_, NULL);
fprintf(router_log, ": > pthread_join(accepter_in)\n");
pthread_join(accepter_in_T_, NULL);
fprintf(router_log, ": Loop:\n");