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Location: cpp/openttd-patchpack/source/src/dedicated.cpp - annotation
r24498:e9114d9ab04a
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Fix #6468: don't store version of AIs-started-via-console in name
You can do: "startai myai.3", which starts version 3 of "myai".
This is very useful for testing save/load code between different
versions of your AI.
However, when using this syntax, the AI got saved as "myai.3" as
name of the AI, instead of "myai". This caused several problems,
like indicating to the user the AI could not be found, but still
load the AI. But in all cases, the AI never got the chance to
load the saved data, making the whole reason this exists pointless.
By splitting the name and version already in the console command,
the code becomes simpler and AIs started this way now follow the
normal flow after initialization.
You can do: "startai myai.3", which starts version 3 of "myai".
This is very useful for testing save/load code between different
versions of your AI.
However, when using this syntax, the AI got saved as "myai.3" as
name of the AI, instead of "myai". This caused several problems,
like indicating to the user the AI could not be found, but still
load the AI. But in all cases, the AI never got the chance to
load the saved data, making the whole reason this exists pointless.
By splitting the name and version already in the console command,
the code becomes simpler and AIs started this way now follow the
normal flow after initialization.
r12768:980ae0491352 r12768:980ae0491352 r12768:980ae0491352 r12768:980ae0491352 r12768:980ae0491352 r12768:980ae0491352 r12768:980ae0491352 r9111:983de9c5a848 r6125:eb40461cb765 r5584:545d748cc681 r24219:58395a92e207 r24219:58395a92e207 r5584:545d748cc681 r24219:58395a92e207 r24219:58395a92e207 r5584:545d748cc681 r23405:fde6cd168dc5 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r21383:942c32fb8b0e r21383:942c32fb8b0e r23409:5566f342312d r6232:f8ab32fb5f22 r13095:c8ad2bbbdb3b r13095:c8ad2bbbdb3b r6232:f8ab32fb5f22 r6232:f8ab32fb5f22 r6232:f8ab32fb5f22 r6232:f8ab32fb5f22 r6232:f8ab32fb5f22 r6247:96e840dbefcc r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r24219:58395a92e207 r24219:58395a92e207 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r24219:58395a92e207 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r24219:58395a92e207 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r6125:eb40461cb765 r5584:545d748cc681 r6232:f8ab32fb5f22 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 r5584:545d748cc681 | /*
* This file is part of OpenTTD.
* OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
* OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
*/
/** @file dedicated.cpp Forking support for dedicated servers. */
#include "stdafx.h"
#include "fileio_func.h"
#include <string>
std::string _log_file; ///< File to reroute output of a forked OpenTTD to
std::unique_ptr<FILE, FileDeleter> _log_fd; ///< File to reroute output of a forked OpenTTD to
#if defined(UNIX)
#include <unistd.h>
#include "safeguards.h"
#if defined(SUNOS) && !defined(_LP64) && !defined(_I32LPx)
/* Solaris has, in certain situation, pid_t defined as long, while in other
* cases it has it defined as int... this handles all cases nicely.
*/
# define PRINTF_PID_T "%ld"
#else
# define PRINTF_PID_T "%d"
#endif
void DedicatedFork()
{
/* Fork the program */
pid_t pid = fork();
switch (pid) {
case -1:
perror("Unable to fork");
exit(1);
case 0: { // We're the child
/* Open the log-file to log all stuff too */
_log_fd.reset(fopen(_log_file.c_str(), "a"));
if (!_log_fd) {
perror("Unable to open logfile");
exit(1);
}
/* Redirect stdout and stderr to log-file */
if (dup2(fileno(_log_fd.get()), fileno(stdout)) == -1) {
perror("Rerouting stdout");
exit(1);
}
if (dup2(fileno(_log_fd.get()), fileno(stderr)) == -1) {
perror("Rerouting stderr");
exit(1);
}
break;
}
default:
/* We're the parent */
printf("Loading dedicated server...\n");
printf(" - Forked to background with pid " PRINTF_PID_T "\n", pid);
exit(0);
}
}
#endif
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