129 lines
2.5 KiB
C
129 lines
2.5 KiB
C
#include <string.h>
|
|
#include <errno.h>
|
|
#include <stdio.h>
|
|
#include <unistd.h>
|
|
#include <stdlib.h>
|
|
#include <sys/socket.h>
|
|
#include <sys/un.h>
|
|
#include <sys/time.h>
|
|
|
|
#include <api.h>
|
|
|
|
#define SOCKNAMEMAX 256 // should be at least 108
|
|
|
|
// -----------------------------------------------------------------------------
|
|
/* variabili globali */
|
|
int fd_skt; // descriptor of the socket
|
|
char socketName[SOCKNAMEMAX] = ""; // name of the socket
|
|
|
|
|
|
|
|
|
|
// -----------------------------------------------------------------------------
|
|
/* funzioni ausiliarie */
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
// -----------------------------------------------------------------------------
|
|
int openConnection(const char* sockname, int msec, const struct timespec abstime){
|
|
if(!sockname){
|
|
errno = EINVAL;
|
|
return -1;
|
|
}
|
|
|
|
struct sockaddr_un sa;
|
|
struct timespec ts;
|
|
ts.tv_sec = msec/1000;
|
|
ts.tv_nsec = (msec % 1000) * 1000000;
|
|
struct timeval t1, t2; // for gettimeofday
|
|
long long start, end; // to calculate the time elapsed
|
|
long long elapsedTime;
|
|
|
|
// select socket
|
|
strncpy(sa.sun_path, sockname, sizeof(sa.sun_path));
|
|
sa.sun_family = AF_UNIX;
|
|
|
|
if ((fd_skt = socket(AF_UNIX, SOCK_STREAM, 0)) == -1) {
|
|
errno = EINVAL;
|
|
perror("socket");
|
|
return -1;
|
|
}
|
|
|
|
if(gettimeofday(&t1, NULL) != 0) {
|
|
perror("gettimeofday");
|
|
return -1;
|
|
}
|
|
|
|
start = (long long) (t1.tv_sec * 1000000000 + t1.tv_usec * 1000);
|
|
|
|
while (connect(fd_skt, (struct sockaddr*) &sa, sizeof(sa)) == -1) {
|
|
gettimeofday(&t2, NULL);
|
|
end = (long long) t2.tv_sec * 1000000000 + t2.tv_usec * 1000;
|
|
elapsedTime = (end - start);
|
|
|
|
// return if more time has elapsed than allowed
|
|
if (elapsedTime > (abstime.tv_sec * 1000000000) + abstime.tv_nsec) {
|
|
errno = ETIMEDOUT;
|
|
return -1;
|
|
}
|
|
|
|
nanosleep(&ts, &ts);
|
|
}
|
|
|
|
strncpy(socketName, sockname, sizeof(socketName));
|
|
return 1;
|
|
}
|
|
|
|
int closeConnection(const char* sockname){
|
|
return 1;
|
|
}
|
|
|
|
int openFile(const char* pathname, int flags){
|
|
return 1;
|
|
}
|
|
|
|
int readFile(const char* pathname, void** buf, size_t* size){
|
|
return 1;
|
|
}
|
|
|
|
int readNFiles(int N, const char* dirname){
|
|
return 1;
|
|
}
|
|
|
|
int writeFile(const char* pathname, const char* dirname){
|
|
return 1;
|
|
}
|
|
|
|
int appendToFile(const char* pathname, void* buf, size_t size, const char* dirname){
|
|
return 1;
|
|
}
|
|
|
|
int lockFile(const char* pathname){
|
|
return 1;
|
|
}
|
|
|
|
int unlockFile(const char* pathname){
|
|
return 1;
|
|
}
|
|
|
|
int closeFile(const char *pathname){
|
|
return 1;
|
|
}
|
|
|
|
int removeFile(const char* pathname){
|
|
return 1;
|
|
}
|
|
|
|
int setDirectory(char* Dir, int rw){
|
|
return 1;
|
|
}
|
|
|
|
void printInfo(int p){
|
|
return;
|
|
}
|