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#include <arpa/inet.h>
#include <assert.h>
#include <stdarg.h>
#include <string.h>
#include <stdio.h>
#include <sys/socket.h>
#include "log.h"
static void
server_logf(FILE *f, const char *fmt, va_list ap)
{
fprintf(f, "[gmnisrv] ");
vfprintf(f, fmt, ap);
fprintf(f, "\n");
}
static void
client_logf(FILE *f, struct sockaddr *addr, const char *fmt, va_list ap)
{
char abuf[INET6_ADDRSTRLEN + 1];
switch(addr->sa_family) {
case AF_INET: {
struct sockaddr_in *addr_in = (struct sockaddr_in *)addr;
const char* result = inet_ntop(AF_INET, &(addr_in->sin_addr), abuf, INET_ADDRSTRLEN);
assert(result);
break;
}
case AF_INET6: {
struct sockaddr_in6 *addr_in6 = (struct sockaddr_in6 *)addr;
const char* result = inet_ntop(AF_INET6, &(addr_in6->sin6_addr), abuf, INET6_ADDRSTRLEN);
assert(result);
break;
}
default:
strncpy(abuf, "Unknown AF", INET6_ADDRSTRLEN);
break;
}
fprintf(f, "%s ", abuf);
vfprintf(f, fmt, ap);
fprintf(f, "\n");
}
void
server_log(const char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
server_logf(stderr, fmt, ap);
va_end(ap);
}
void
client_log(struct sockaddr *addr, const char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
client_logf(stdout, addr, fmt, ap);
va_end(ap);
}
void
server_error(const char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
server_logf(stderr, fmt, ap);
va_end(ap);
}
void
client_error(struct sockaddr *addr, const char *fmt, ...)
{
va_list ap;
va_start(ap, fmt);
client_logf(stderr, addr, fmt, ap);
va_end(ap);
}
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