From 47e5064885a6dc700196e70aa28372b1d2bb6781 Mon Sep 17 00:00:00 2001
From: def <dennis@felsin9.de>
Date: Fri, 14 Aug 2015 23:15:42 +0200
Subject: Add fifo console support for server (from DDNet)

---
 objs/createdir.txt                   |  0
 src/engine/server/server.cpp         |  8 ++++
 src/engine/shared/config_variables.h |  2 +-
 src/engine/shared/fifoconsole.cpp    | 91 ++++++++++++++++++++++++++++++++++++
 src/engine/shared/fifoconsole.h      | 22 +++++++++
 5 files changed, 122 insertions(+), 1 deletion(-)
 delete mode 100644 objs/createdir.txt
 create mode 100644 src/engine/shared/fifoconsole.cpp
 create mode 100644 src/engine/shared/fifoconsole.h

diff --git a/objs/createdir.txt b/objs/createdir.txt
deleted file mode 100644
index e69de29b..00000000
diff --git a/src/engine/server/server.cpp b/src/engine/server/server.cpp
index f62ceb4d..b830dfe8 100644
--- a/src/engine/server/server.cpp
+++ b/src/engine/server/server.cpp
@@ -25,6 +25,7 @@
 #include <engine/shared/packer.h>
 #include <engine/shared/protocol.h>
 #include <engine/shared/snapshot.h>
+#include <engine/shared/fifoconsole.h>
 
 #include <mastersrv/mastersrv.h>
 
@@ -2310,11 +2311,18 @@ int main(int argc, const char **argv) // ignore_convention
 
 	pEngine->InitLogfile();
 
+#if defined(CONF_FAMILY_UNIX)
+	FifoConsole *fifoConsole = new FifoConsole(pConsole, g_Config.m_SvInputFifo, CFGFLAG_SERVER);
+#endif
+
 	// run the server
 	dbg_msg("server", "starting...");
 	pServer->Run();
 
 	// free
+#if defined(CONF_FAMILY_UNIX)
+	delete fifoConsole;
+#endif
 	delete pServer;
 	delete pKernel;
 	delete pEngineMap;
diff --git a/src/engine/shared/config_variables.h b/src/engine/shared/config_variables.h
index ee517c91..31713888 100644
--- a/src/engine/shared/config_variables.h
+++ b/src/engine/shared/config_variables.h
@@ -105,7 +105,7 @@ MACRO_CONFIG_INT(EcOutputLevel, ec_output_level, 1, 0, 2, CFGFLAG_ECON, "Adjusts
 
 MACRO_CONFIG_INT(SvGlobalBantime, sv_global_bantime, 60, 0, 1440, CFGFLAG_SERVER, "The time a client gets banned if the ban server reports it. 0 to disable")
 MACRO_CONFIG_INT(SvRespawnProtection, sv_respawn_protection, 1, 0, 1, CFGFLAG_SERVER, "Whether a player gets respawn protection")
-
+MACRO_CONFIG_STR(SvInputFifo, sv_input_fifo, 128, "", CFGFLAG_SERVER, "Fifo file to use as input for server console")
 
 #if defined(CONF_SQL)
 //zCatch mysql.
diff --git a/src/engine/shared/fifoconsole.cpp b/src/engine/shared/fifoconsole.cpp
new file mode 100644
index 00000000..e031b142
--- /dev/null
+++ b/src/engine/shared/fifoconsole.cpp
@@ -0,0 +1,91 @@
+#include "fifoconsole.h"
+
+#if defined(CONF_FAMILY_UNIX)
+
+#include <engine/shared/config.h>
+
+#include <fstream>
+
+#include <pthread.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <stdlib.h>
+
+static LOCK gs_FifoLock = 0;
+static volatile bool gs_stopFifoThread = false;
+
+FifoConsole::FifoConsole(IConsole *pConsole, char *pFifoFile, int flag)
+{
+	m_pFifoFile = pFifoFile;
+	if(m_pFifoFile[0] == '\0')
+		return;
+
+	gs_stopFifoThread = false;
+	if(gs_FifoLock == 0)
+		gs_FifoLock = lock_create();
+
+	m_pFifoThread = thread_create(ListenFifoThread, this);
+	m_pConsole = pConsole;
+	m_flag = flag;
+
+	pthread_detach((pthread_t)m_pFifoThread);
+}
+
+FifoConsole::~FifoConsole()
+{
+	if(m_pFifoFile[0] == '\0')
+		return;
+
+	lock_wait(gs_FifoLock);
+	gs_stopFifoThread = true;
+	lock_release(gs_FifoLock);
+	gs_FifoLock = 0;
+}
+
+void FifoConsole::ListenFifoThread(void *pUser)
+{
+	FifoConsole *pData = (FifoConsole *)pUser;
+
+	if(!gs_FifoLock)
+	{
+		dbg_msg("fifo", "FIFO not properly initialized");
+		exit(2);
+	}
+
+	lock_wait(gs_FifoLock);
+	if(gs_stopFifoThread)
+		return;
+
+	mkfifo(pData->m_pFifoFile, 0600);
+
+	struct stat attribute;
+	stat(pData->m_pFifoFile, &attribute);
+
+	if(!S_ISFIFO(attribute.st_mode))
+	{
+		dbg_msg("fifo", "'%s' is not a FIFO, removing", pData->m_pFifoFile);
+		fs_remove(pData->m_pFifoFile);
+		mkfifo(pData->m_pFifoFile, 0600);
+		stat(pData->m_pFifoFile, &attribute);
+
+		if(!S_ISFIFO(attribute.st_mode))
+		{
+			dbg_msg("fifo", "Can't remove file, quitting");
+			exit(2);
+		}
+	}
+
+	lock_release(gs_FifoLock);
+
+	std::ifstream f;
+	char aBuf[8192];
+
+	while (true)
+	{
+		f.open(pData->m_pFifoFile);
+		while (f.getline(aBuf, sizeof(aBuf)))
+			pData->m_pConsole->ExecuteLineFlag(aBuf, pData->m_flag);
+		f.close();
+	}
+}
+#endif
diff --git a/src/engine/shared/fifoconsole.h b/src/engine/shared/fifoconsole.h
new file mode 100644
index 00000000..83d14bc0
--- /dev/null
+++ b/src/engine/shared/fifoconsole.h
@@ -0,0 +1,22 @@
+#ifndef ENGINE_FIFOCONSOLE_H
+#define ENGINE_FIFOCONSOLE_H
+
+#include <engine/console.h>
+
+#if defined(CONF_FAMILY_UNIX)
+
+class FifoConsole
+{
+	static void ListenFifoThread(void *pUser);
+	IConsole *m_pConsole;
+	void *m_pFifoThread;
+	char *m_pFifoFile;
+	int m_flag;
+
+public:
+	FifoConsole(IConsole *pConsole, char *pFifoFile, int flag);
+	~FifoConsole();
+};
+#endif
+
+#endif // FILE_ENGINE_FIFOCONSOLE_H
-- 
cgit 1.4.1