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#include "swarmkv_utils.h"
#include <stdio.h>
#include <unistd.h>
#include <time.h>
#include <sys/syscall.h> /* For SYS_xxx definitions */
#include <pthread.h>
#include <asm/errno.h>
#include <ctype.h> //tolower, toupper
#include <string.h> //memset
#include <stdlib.h>
pid_t gettid()
{
return syscall(SYS_gettid);
}
const char* module_name_str(const char*name)
{
static __thread char module[64];
snprintf(module,sizeof(module),"%s(%d)", name, gettid());
return module;
}
const char* swarmkv_util_pthread_cond_timedwait_error_to_string(const int timed_wait_rv)
{
switch (timed_wait_rv)
{
case ETIMEDOUT:
return "Conditional timed failed, the time specified by abstime to pthread_cond_timedwait() has passed.";
break;
case EINVAL:
return "Conditional timed failed, the value specified by abstime, cond or mutex is invalid.";
break;
case EPERM:
return "Conditional timed failed, the mutex was not owned by the current thread at the time of the call.";
break;
default:
break;
}
return "Conditional timed failed, unknown reason.";
}
char* toLower(char* s)
{
for(char *p=s; *p; p++) *p=tolower(*p);
return s;
}
char* toUpper(char* s)
{
for(char *p=s; *p; p++) *p=toupper(*p);
return s;
}
char* replace_char(char* str, char find, char replace){
char *current_pos = strchr(str,find);
while (current_pos) {
*current_pos = replace;
current_pos = strchr(current_pos,find);
}
return str;
}
/* Glob-style pattern matching. */
//source https://github.com/redis/redis/blob/7.0/src/util.c
int stringmatchlen(const char *pattern, int patternLen,
const char *string, int stringLen, int nocase)
{
while(patternLen && stringLen) {
switch(pattern[0]) {
case '*':
while (patternLen && pattern[1] == '*') {
pattern++;
patternLen--;
}
if (patternLen == 1)
return 1; /* match */
while(stringLen) {
if (stringmatchlen(pattern+1, patternLen-1,
string, stringLen, nocase))
return 1; /* match */
string++;
stringLen--;
}
return 0; /* no match */
break;
case '?':
string++;
stringLen--;
break;
case '[':
{
int not, match;
pattern++;
patternLen--;
not = pattern[0] == '^';
if (not) {
pattern++;
patternLen--;
}
match = 0;
while(1) {
if (pattern[0] == '\\' && patternLen >= 2) {
pattern++;
patternLen--;
if (pattern[0] == string[0])
match = 1;
} else if (pattern[0] == ']') {
break;
} else if (patternLen == 0) {
pattern--;
patternLen++;
break;
} else if (patternLen >= 3 && pattern[1] == '-') {
int start = pattern[0];
int end = pattern[2];
int c = string[0];
if (start > end) {
int t = start;
start = end;
end = t;
}
if (nocase) {
start = tolower(start);
end = tolower(end);
c = tolower(c);
}
pattern += 2;
patternLen -= 2;
if (c >= start && c <= end)
match = 1;
} else {
if (!nocase) {
if (pattern[0] == string[0])
match = 1;
} else {
if (tolower((int)pattern[0]) == tolower((int)string[0]))
match = 1;
}
}
pattern++;
patternLen--;
}
if (not)
match = !match;
if (!match)
return 0; /* no match */
string++;
stringLen--;
break;
}
case '\\':
if (patternLen >= 2) {
pattern++;
patternLen--;
}
/* fall through */
default:
if (!nocase) {
if (pattern[0] != string[0])
return 0; /* no match */
} else {
if (tolower((int)pattern[0]) != tolower((int)string[0]))
return 0; /* no match */
}
string++;
stringLen--;
break;
}
pattern++;
patternLen--;
if (stringLen == 0) {
while(*pattern == '*') {
pattern++;
patternLen--;
}
break;
}
}
if (patternLen == 0 && stringLen == 0)
return 1;
return 0;
}
/* Return the UNIX time in microseconds */
long long ustime(void) {
struct timespec tv;
long long ust;
clock_gettime(CLOCK_REALTIME, &tv);
ust = ((long long)tv.tv_sec) * 1000000;
ust += tv.tv_nsec/1000;
return ust;
}
int is_number(const char *string, size_t sz, long long *number)
{
if(sz>20) return 0;
for(size_t i=0; i<sz ; i++)
{
if((string[i]<'0' || string[i]>'9') && string[i]!='-')
{
return 0;
}
if(string[i]=='\0' && i<sz-1)
{
return 0;
}
}
char *endptr=NULL;
*number=strtol(string, &endptr, 10);
if(*endptr=='\0')
{
return 1;
}
else
{
return 0;
}
}
int is_double(const char *string, double *number)
{
char *endptr=NULL;
*number = strtod(string, &endptr);
if(*endptr=='\0')
{
return 1;
}
else
{
return 0;
}
}
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