// Copyright (c) Hercules Dev Team, licensed under GNU GPL.
// See the LICENSE file
// Portions Copyright (c) Athena Dev Teams
#include "../common/mmo.h"
#include "../common/showmsg.h"
#include "../common/malloc.h"
#include "../common/strlib.h"
#include "core.h"
#include "../common/console.h"
#include "../common/random.h"
#ifndef MINICORE
#include "../common/db.h"
#include "../common/socket.h"
#include "../common/timer.h"
#include "../common/thread.h"
#include "../common/sql.h"
#include "../config/core.h"
#include "../common/HPM.h"
#include "../common/utils.h"
#include "../common/conf.h"
#include "../common/ers.h"
#endif
#include <stdio.h>
#include <stdlib.h>
#include <signal.h>
#include <string.h>
#ifndef _WIN32
#include <unistd.h>
#else
#include "../common/winapi.h" // Console close event handling
#endif
/// Called when a terminate signal is received.
void (*shutdown_callback)(void) = NULL;
int runflag = CORE_ST_RUN;
int arg_c = 0;
char **arg_v = NULL;
char *SERVER_NAME = NULL;
#ifndef MINICORE // minimalist Core
// Added by Gabuzomeu
//
// This is an implementation of signal() using sigaction() for portability.
// (sigaction() is POSIX; signal() is not.) Taken from Stevens' _Advanced
// Programming in the UNIX Environment_.
//
#ifdef WIN32 // windows don't have SIGPIPE
#define SIGPIPE SIGINT
#endif
#ifndef POSIX
#define compat_signal(signo, func) signal((signo), (func))
#else
sigfunc *compat_signal(int signo, sigfunc *func) {
struct sigaction sact, oact;
sact.sa_handler = func;
sigemptyset(&sact.sa_mask);
sact.sa_flags = 0;
#ifdef SA_INTERRUPT
sact.sa_flags |= SA_INTERRUPT; /* SunOS */
#endif
if (sigaction(signo, &sact, &oact) < 0)
return (SIG_ERR);
return (oact.sa_handler);
}
#endif
/*======================================
* CORE : Console events for Windows
*--------------------------------------*/
#ifdef _WIN32
static BOOL WINAPI console_handler(DWORD c_event) {
switch(c_event) {
case CTRL_CLOSE_EVENT:
case CTRL_LOGOFF_EVENT:
case CTRL_SHUTDOWN_EVENT:
if( shutdown_callback != NULL )
shutdown_callback();
else
runflag = CORE_ST_STOP;// auto-shutdown
break;
default:
return FALSE;
}
return TRUE;
}
static void cevents_init() {
if (SetConsoleCtrlHandler(console_handler,TRUE)==FALSE)
ShowWarning ("Unable to install the console handler!\n");
}
#endif
/*======================================
* CORE : Signal Sub Function
*--------------------------------------*/
static void sig_proc(int sn) {
static int is_called = 0;
switch (sn) {
case SIGINT:
case SIGTERM:
if (++is_called > 3)
exit(EXIT_SUCCESS);
if( shutdown_callback != NULL )
shutdown_callback();
else
runflag = CORE_ST_STOP;// auto-shutdown
break;
case SIGSEGV:
case SIGFPE:
do_abort();
// Pass the signal to the system's default handler
compat_signal(sn, SIG_DFL);
raise(sn);
break;
#ifndef _WIN32
case SIGXFSZ:
// ignore and allow it to set errno to EFBIG
ShowWarning ("Max file size reached!\n");
//run_flag = 0; // should we quit?
break;
case SIGPIPE:
//ShowInfo ("Broken pipe found... closing socket\n"); // set to eof in socket.c
break; // does nothing here
#endif
}
}
void signals_init (void) {
compat_signal(SIGTERM, sig_proc);
compat_signal(SIGINT, sig_proc);
#ifndef _DEBUG // need unhandled exceptions to debug on Windows
compat_signal(SIGSEGV, sig_proc);
compat_signal(SIGFPE, sig_proc);
#endif
#ifndef _WIN32
compat_signal(SIGILL, SIG_DFL);
compat_signal(SIGXFSZ, sig_proc);
compat_signal(SIGPIPE, sig_proc);
compat_signal(SIGBUS, SIG_DFL);
compat_signal(SIGTRAP, SIG_DFL);
#endif
}
#endif
const char* get_svn_revision(void) {
static char svn_version_buffer[16] = "";
FILE *fp;
if( svn_version_buffer[0] != '\0' )
return svn_version_buffer;
// subversion 1.7 uses a sqlite3 database
// FIXME this is hackish at best...
// - ignores database file structure
// - assumes the data in NODES.dav_cache column ends with "!svn/ver/<revision>/<path>)"
// - since it's a cache column, the data might not even exist
if( (fp = fopen(".svn"PATHSEP_STR"wc.db", "rb")) != NULL || (fp = fopen(".."PATHSEP_STR".svn"PATHSEP_STR"wc.db", "rb")) != NULL )
{
#ifndef SVNNODEPATH
//not sure how to handle branches, so i'll leave this overridable define until a better solution comes up
#define SVNNODEPATH trunk
#endif
const char* prefix = "!svn/ver/";
const char* postfix = "/"EXPAND_AND_QUOTE(SVNNODEPATH)")"; // there should exist only 1 entry like this
size_t prefix_len = strlen(prefix);
size_t postfix_len = strlen(postfix);
size_t i,j,len;
char* buffer;
// read file to buffer
fseek(fp, 0, SEEK_END);
len = ftell(fp);
buffer = (char*)aMalloc(len + 1);
fseek(fp, 0, SEEK_SET);
len = fread(buffer, 1, len, fp);
buffer[len] = '\0';
fclose(fp);
// parse buffer
for( i = prefix_len + 1; i + postfix_len <= len; ++i ) {
if( buffer[i] != postfix[0] || memcmp(buffer + i, postfix, postfix_len) != 0 )
continue; // postfix missmatch
for( j = i; j > 0; --j ) {// skip digits
if( !ISDIGIT(buffer[j - 1]) )
break;
}
if( memcmp(buffer + j - prefix_len, prefix, prefix_len) != 0 )
continue; // prefix missmatch
// done
snprintf(svn_version_buffer, sizeof(svn_version_buffer), "%d", atoi(buffer + j));
break;
}
aFree(buffer);
if( svn_version_buffer[0] != '\0' )
return svn_version_buffer;
}
// subversion 1.6 and older?
if ((fp = fopen(".svn/entries", "r")) != NULL) {
char line[1024];
int rev;
// Check the version
if (fgets(line, sizeof(line), fp)) {
if(!ISDIGIT(line[0])) {
// XML File format
while (fgets(line,sizeof(line),fp))
if (strstr(line,"revision=")) break;
if (sscanf(line," %*[^\"]\"%d%*[^\n]", &rev) == 1) {
snprintf(svn_version_buffer, sizeof(svn_version_buffer), "%d", rev);
}
} else {
// Bin File format
if ( fgets(line, sizeof(line), fp) == NULL ) { printf("Can't get bin name\n"); } // Get the name
if ( fgets(line, sizeof(line), fp) == NULL ) { printf("Can't get entries kind\n"); } // Get the entries kind
if(fgets(line, sizeof(line), fp)) { // Get the rev numver
snprintf(svn_version_buffer, sizeof(svn_version_buffer), "%d", atoi(line));
}
}
}
fclose(fp);
if( svn_version_buffer[0] != '\0' )
return svn_version_buffer;
}
// fallback
svn_version_buffer[0] = HERC_UNKNOWN_VER;
return svn_version_buffer;
}
/* whats our origin */
#define GIT_ORIGIN "refs/remotes/origin/master"
/* Grabs the hash from the last time the user updated his working copy (last pull) */
const char *get_git_hash (void) {
static char HerculesGitHash[41] = "";//Sha(40) + 1
FILE *fp;
if( HerculesGitHash[0] != '\0' )
return HerculesGitHash;
if ( (fp = fopen (".git/"GIT_ORIGIN, "r")) != NULL) {
char line[64];
char *rev = malloc (sizeof (char) * 50);
if (fgets (line, sizeof (line), fp) && sscanf (line, "%50s", rev))
snprintf (HerculesGitHash, sizeof (HerculesGitHash), "%s", rev);
free (rev);
fclose (fp);
} else {
HerculesGitHash[0] = HERC_UNKNOWN_VER;
}
if (! (*HerculesGitHash)) {
HerculesGitHash[0] = HERC_UNKNOWN_VER;
}
return HerculesGitHash;
}
// Warning if executed as superuser (root)
void usercheck(void) {
#ifndef _WIN32
if (geteuid() == 0) {
ShowWarning ("You are running Hercules with root privileges, it is not necessary.\n");
}
#endif
}
void core_defaults(void) {
#ifndef MINICORE
hpm_defaults();
HCache_defaults();
#endif
console_defaults();
strlib_defaults();
malloc_defaults();
#ifndef MINICORE
libconfig_defaults();
sql_defaults();
timer_defaults();
db_defaults();
socket_defaults();
#endif
}
/*======================================
* CORE : MAINROUTINE
*--------------------------------------*/
int main (int argc, char **argv) {
{// initialize program arguments
char *p1 = SERVER_NAME = argv[0];
char *p2 = p1;
while ((p1 = strchr(p2, '/')) != NULL || (p1 = strchr(p2, '\\')) != NULL) {
SERVER_NAME = ++p1;
p2 = p1;
}
arg_c = argc;
arg_v = argv;
}
core_defaults();
{
int i;
for(i = 0; i < argc; i++) {
if( strcmp(argv[i], "--script-check") == 0 ) {
msg_silent = 0x7; // silence information and status messages
}
}
}
iMalloc->init();// needed for Show* in display_title() [FlavioJS]
if (!(msg_silent&0x1))
console->display_title();
#ifdef MINICORE // minimalist Core
usercheck();
do_init(argc,argv);
do_final();
#else// not MINICORE
set_server_type();
usercheck();
Sql_Init();
rathread_init();
DB->init();
signals_init();
#ifdef _WIN32
cevents_init();
#endif
timer->init();
/* timer first */
rnd_init();
srand((unsigned int)timer->gettick());
console->init();
HCache->init();
#ifndef MINICORE
HPM->init();
#endif
sockt->init();
do_init(argc,argv);
{// Main runtime cycle
int next;
while (runflag != CORE_ST_STOP) {
next = timer->perform(timer->gettick_nocache());
sockt->perform(next);
}
}
console->final();
do_final();
#ifndef MINICORE
HPM->final();
#endif
timer->final();
sockt->final();
DB->final();
rathread_final();
ers_final();
#endif
iMalloc->final();
return 0;
}