int
runDaemon(int debug)
{
char packetPtr[PACKETLEN];
size_t packetSize;
struct sockaddr_in sa;
if (checkOtherProcess())
return (EXIT_FAILURE);
signal(SIGTERM, sigHandler);
signal(SIGINT, sigHandler);
signal(SIGUSR1, sigHandler);
if (!debug) {
daemon(1, 1);
if (savePid())
return EXIT_FAILURE;
}
fprintf(stderr, "Daemon started\n");
initConnection(&sa);
while (1) {
setClient(acceptClient(&sa));
bzero(packetPtr, PACKETLEN);
getPacket(packetPtr, &packetSize);
handlePacket(packetPtr, packetSize);
setClient(-1);
}
setSock(-1);
return EXIT_SUCCESS;
}
void push(void){
char fname[2048];
char fnamep1[2048];
char fnamep2[2048];
char fnamep3[2048];
char fnamep4[2048];
char readBuffer[4096];
FILE* file;
struct stat st;
int p1, p2, p3, p4, hashIndex, sock1, sock2, sock1set, sock2set, index;
int totalRead = 0;
printf("\nFilename:\n\n> ");
scanf("%s", fname);
if(access(fname, F_OK) == -1){
printf("Invalid Filename!\n");
return;
}
strcpy(fnamep1, ".");
strcpy(fnamep2, ".");
strcpy(fnamep3, ".");
strcpy(fnamep4, ".");
strcat(fnamep1, fname);
strcat(fnamep2, fname);
strcat(fnamep3, fname);
strcat(fnamep4, fname);
strcat(fnamep1, ".1");
strcat(fnamep2, ".2");
strcat(fnamep3, ".3");
strcat(fnamep4, ".4");
stat(fname, &st);
int size = st.st_size;
file = fopen(fname, "r");
md5sum(file, &p1, &p2, &p3, &p4);
fclose(file);
file = fopen(fname, "r");
hashIndex = (p1 ^ p2 ^ p3 ^ p4) % 4;
//send first block
sock1set = 0;
sock2set = 0;
for(index=0;index<4;index++){
if(serverConf[hashIndex][index][0] == 1 || serverConf[hashIndex][index][1] == 1){
if(sock1set < 1){
setSock(&sock1, index, fnamep1);
sock1set = 1;
} else if(sock2set < 1){
setSock(&sock2, index, fnamep1);
sock2set = 1;
}
}
}
if(&sock1 == NULL || &sock2 == NULL){
printf("Invalid user credentials!\n");
fclose(file);
return;
}
while(totalRead < size/4){
unsigned char readbuf[1];
int numread;
int staticread = fread(readbuf, sizeof(unsigned char), 1, file);
unsigned char* bufptr;
totalRead += staticread;
//send to first server
numread = staticread;
//if(numread < 0)break;
bufptr = readbuf;
do{
int numsent = send(sock1, bufptr, numread, MSG_NOSIGNAL);
if(numsent < 0){
break;
}
bufptr += numsent;
numread -= numsent;
}while(numread > 0);
//send to second server
numread = staticread;
bufptr = readbuf;
do{
int numsent = send(sock2, bufptr, numread, MSG_NOSIGNAL);
if(numsent < 0){
break;
}
bufptr += numsent;
numread -= numsent;
}while(numread > 0);
}
shutdown(sock1, SHUT_WR);
shutdown(sock2, SHUT_WR);
recv(sock1, NULL, 0, 0);
recv(sock2, NULL, 0, 0);
close(sock1);
close(sock2);
//send second block
sock1set = 0;
sock2set = 0;
for(index=0;index<4;index++){
if(serverConf[hashIndex][index][0] == 2 || serverConf[hashIndex][index][1] == 2){
if(sock1set < 1){
setSock(&sock1, index, fnamep2);
sock1set = 1;
} else if(sock2set < 1){
setSock(&sock2, index, fnamep2);
sock2set = 1;
}
}
}
if(&sock1 == NULL || &sock2 == NULL){
printf("Invalid user credentials!\n");
fclose(file);
return;
}
while(totalRead < size/2){
unsigned char readbuf[1];
int numread;
int staticread = fread(readbuf, sizeof(unsigned char), 1, file);
unsigned char* bufptr;
totalRead += staticread;
//send to first server
numread = staticread;
bufptr = readbuf;
do{
int numsent = send(sock1, bufptr, numread, MSG_NOSIGNAL);
if(numsent < 0){
break;
}
bufptr += numsent;
numread -= numsent;
}while(numread > 0);
//send to second server
numread = staticread;
bufptr = readbuf;
do{
int numsent = send(sock2, bufptr, numread, MSG_NOSIGNAL);
if(numsent < 0){
break;
}
bufptr += numsent;
numread -= numsent;
}while(numread > 0);
}
shutdown(sock1, SHUT_WR);
shutdown(sock2, SHUT_WR);
recv(sock1, NULL, 0, 0);
recv(sock2, NULL, 0, 0);
close(sock1);
close(sock2);
//send third block
sock1set = 0;
sock2set = 0;
for(index=0;index<4;index++){
if(serverConf[hashIndex][index][0] == 3 || serverConf[hashIndex][index][1] == 3){
if(sock1set < 1){
setSock(&sock1, index, fnamep3);
sock1set = 1;
} else if(sock2set < 1){
setSock(&sock2, index, fnamep3);
sock2set = 1;
}
}
}
if(&sock1 == NULL || &sock2 == NULL){
printf("Invalid user credentials!\n");
fclose(file);
return;
}
while(totalRead < (size*3)/4){
unsigned char readbuf[1];
int numread;
int staticread = fread(readbuf, sizeof(unsigned char), 1, file);
unsigned char* bufptr;
totalRead += staticread;
//send to first server
numread = staticread;
if(numread < 0)break;
bufptr = readbuf;
do{
int numsent = send(sock1, bufptr, numread, MSG_NOSIGNAL);
if(numsent < 0){
break;
}
bufptr += numsent;
numread -= numsent;
}while(numread > 0);
//send to second server
numread = staticread;
if(numread < 0)break;
bufptr = readbuf;
do{
int numsent = send(sock2, bufptr, numread, MSG_NOSIGNAL);
if(numsent < 0){
break;
}
bufptr += numsent;
numread -= numsent;
}while(numread > 0);
}
shutdown(sock1, SHUT_WR);
shutdown(sock2, SHUT_WR);
recv(sock1, NULL, 0, 0);
recv(sock2, NULL, 0, 0);
close(sock1);
close(sock2);
//send fourth block
sock1set = 0;
sock2set = 0;
for(index=0;index<4;index++){
if(serverConf[hashIndex][index][0] == 4 || serverConf[hashIndex][index][1] == 4){
if(sock1set < 1){
setSock(&sock1, index, fnamep4);
sock1set = 1;
} else if(sock2set < 1){
setSock(&sock2, index, fnamep4);
sock2set = 1;
}
}
}
if(&sock1 == NULL || &sock2 == NULL){
printf("Invalid user credentials!\n");
fclose(file);
return;
}
while(totalRead < size){
unsigned char readbuf[1];
int numread;
int staticread = fread(readbuf, sizeof(unsigned char), 1, file);
unsigned char* bufptr;
totalRead += staticread;
//send to first server
numread = staticread;
if(numread < 0)break;
bufptr = readbuf;
do{
int numsent = send(sock1, bufptr, numread, MSG_NOSIGNAL);
if(numsent < 0){
break;
}
bufptr += numsent;
numread -= numsent;
}while(numread > 0);
//send to second server
numread = staticread;
if(numread < 0)break;
bufptr = readbuf;
do{
int numsent = send(sock2, bufptr, numread, MSG_NOSIGNAL);
if(numsent < 0){
break;
}
bufptr += numsent;
numread -= numsent;
}while(numread > 0);
}
shutdown(sock1, SHUT_WR);
shutdown(sock2, SHUT_WR);
recv(sock1, NULL, 0, 0);
recv(sock2, NULL, 0, 0);
close(sock1);
close(sock2);
fclose(file);
}