//int maxtextbuffer = sizeof(char)*250; //#define SIZE sizeof(char)*250 #define SIZE 255 int meminfo(int memfrequency, int memarray1[9]) { memset ((void*) memarray1, '\0', sizeof(memarray1)); //sleep(1); sleep(memfrequency); //printf("In meminfo, memfrequency slept: %d\n", memfrequency); FILE* fp; int count = 0; int count2; //my($memsize,$memfree,$buffers,$cached,$memused,$swaptotal,$swapfree,$swapused); char buf[SIZE]; char temp[2]; char bufstr[sizeof(temp)*12]; char memtotal[sizeof(bufstr)+1]; char memfree[sizeof(bufstr)+1]; char buffers[sizeof(bufstr)+1]; char cached[sizeof(bufstr)+1]; char swaptotal[sizeof(bufstr)+1]; char swapfree[sizeof(bufstr)+1]; int memused, swapused; //int linenum = 0; if( ( fp = fopen( "/proc/meminfo", "r" ) ) == NULL ) { fprintf( stderr, "Error opening /proc/meminfo\n" ); exit( 1 ); } while( fgets(buf, sizeof(buf), fp) != NULL) { //if (linenum <= cores && linenum != 0) //{ //MemTotal: 2075412 kB //MemFree: 417812 kB //Buffers: 730692 kB count = 0; //MemTotal: 776960 kB if (buf[count] == 'M'){ if (buf[count+1] == 'e'){ if (buf[count+2] == 'm'){ if (buf[count+3] == 'T'){ //count+13 till end of buf is frequency if (buf[count+4] == 'o') { count2 = 9; //temp[0]=buf[count2]; while(buf[count2] == ' ') { count2++; } temp[0]=buf[count2]; temp[1]=0; strcpy(bufstr, temp); //count2++; for( (count2 = count2 + 1); (count2 <= strlen(buf) && buf[count2] != ' '); count2++){ temp[0]=buf[count2]; temp[1]=0; strcat(bufstr,temp); } //memtotal = bufstr; strcpy(memtotal, bufstr); //memarray1[1] = atoi(bufstr); } } } } } //MemFree: 39520 kB if (buf[count] == 'M'){ if (buf[count+1] == 'e'){ if (buf[count+2] == 'm'){ if (buf[count+3] == 'F'){ //count+13 till end of buf is frequency if (buf[count+4] == 'r') { count2 = 8; //temp[0]=buf[count2]; while(buf[count2] == ' ') { count2++; } temp[0]=buf[count2]; temp[1]=0; strcpy(bufstr, temp); //count2++; for( (count2 = count2 + 1); (count2 <= strlen(buf)&& buf[count2] != ' '); count2++){ temp[0]=buf[count2]; temp[1]=0; strcat(bufstr,temp); } //memfree = bufstr; strcpy(memfree, bufstr); //memarray1[2] = atoi(bufstr); } } } } } //Buffers: 193200 kB if (buf[count] == 'B'){ if (buf[count+1] == 'u'){ if (buf[count+2] == 'f'){ if (buf[count+3] == 'f'){ //count+13 till end of buf is frequency if (buf[count+4] == 'e') { count2 = 8; //temp[0]=buf[count2]; while(buf[count2] == ' ') { count2++; } temp[0]=buf[count2]; temp[1]=0; strcpy(bufstr, temp); //count2++; for( (count2 = count2 + 1); (count2 <= strlen(buf)&& buf[count2] != ' '); count2++){ temp[0]=buf[count2]; temp[1]=0; strcat(bufstr,temp); } //buffers = bufstr; strcpy(buffers, bufstr); //memarray1[3] = atoi(bufstr); } } } } } //Cached: 222660 kB if (buf[count] == 'C'){ if (buf[count+1] == 'a'){ if (buf[count+2] == 'c'){ if (buf[count+3] == 'h'){ //count+13 till end of buf is frequency if (buf[count+4] == 'e') { count2 = 7; //temp[0]=buf[count2]; while(buf[count2] == ' ') { count2++; } temp[0]=buf[count2]; temp[1]=0; strcpy(bufstr, temp); //count2++; for( (count2 = count2 + 1); (count2 <= strlen(buf)&& buf[count2] != ' '); count2++){ temp[0]=buf[count2]; temp[1]=0; strcat(bufstr,temp); } //cached = bufstr; strcpy(cached, bufstr); //memarray1[4] = atoi(bufstr); } } } } } //SwapTotal: 674720 kB if (buf[count] == 'S'){ if (buf[count+1] == 'w'){ if (buf[count+2] == 'a'){ if (buf[count+3] == 'p'){ //count+13 till end of buf is frequency if (buf[count+4] == 'T') { count2 = 10; //temp[0]=buf[count2]; while(buf[count2] == ' ') { count2++; } temp[0]=buf[count2]; temp[1]=0; strcpy(bufstr, temp); //count2++; for( (count2 = count2 + 1); (count2 <= strlen(buf)&& buf[count2] != ' '); count2++){ temp[0]=buf[count2]; temp[1]=0; strcat(bufstr,temp); } //swaptotal = bufstr; strcpy(swaptotal, bufstr); //memarray1[6] = atoi(bufstr); } } } } } //SwapFree: 672600 kB if (buf[count] == 'S'){ if (buf[count+1] == 'w'){ if (buf[count+2] == 'a'){ if (buf[count+3] == 'p'){ //count+13 till end of buf is frequency if (buf[count+4] == 'F') { count2 = 9; //temp[0]=buf[count2]; while(buf[count2] == ' ') { count2++; } temp[0]=buf[count2]; temp[1]=0; strcpy(bufstr, temp); //count2++; for( (count2 = count2 + 1); (count2 <= strlen(buf)&& buf[count2] != ' '); count2++) { temp[0]=buf[count2]; temp[1]=0; strcat(bufstr,temp); } //swapfree = bufstr; strcpy(swapfree, bufstr); //memarray1[7] = atoi(bufstr); } } } } } } fclose( fp ); //memused = memtotal - memfree; //swapused = swaptotal - swapfree; //memsize, memfree, buffers, cached, memused, swaptotal, swapfree, swapused //printf("memtotal: %s\n", memtotal); //printf("memfree: %s\n", memfree); //printf("buffers: %s\n", buffers); //printf("cached: %s\n", cached); //printf("memused: %s\n", memused); //printf("swaptotal: %s\n", swaptotal); //printf("swapfree: %s\n", swapfree); //printf("swapused: %s\n", swapused); memarray1[1] = atoi(memtotal); memarray1[2] = atoi(memfree); memarray1[3] = atoi(buffers); memarray1[4] = atoi(cached); memused = memarray1[1] - memarray1[2]; memarray1[5] = memused; memarray1[6] = atoi(swaptotal); memarray1[7] = atoi(swapfree); swapused = memarray1[6] - memarray1[7]; memarray1[8] = swapused; //printf("memtotal: %d ", memarray1[1]); //printf("memfree: %d ", memarray1[2]); //printf("buffers: %d ", memarray1[3]); //printf("cached: %d ", memarray1[4]); //printf("memused: %d ", memarray1[5]); //printf("swaptotal: %d\n", memarray1[6]); //printf("swapfree: %d\n", memarray1[7]); return (0); }