ddnet/src/engine/shared/fifo.cpp

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#include "fifo.h"
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#include <base/system.h>
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#if defined(CONF_FAMILY_UNIX)
#include <engine/shared/config.h>
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#include <cstdlib>
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#include <fcntl.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <unistd.h>
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void CFifo::Init(IConsole *pConsole, char *pFifoFile, int Flag)
{
m_File = -1;
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m_pConsole = pConsole;
if(pFifoFile[0] == '\0')
return;
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str_copy(m_aFilename, pFifoFile, sizeof(m_aFilename));
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m_Flag = Flag;
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mkfifo(m_aFilename, 0600);
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struct stat Attribute;
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stat(m_aFilename, &Attribute);
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if(!S_ISFIFO(Attribute.st_mode))
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{
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dbg_msg("fifo", "'%s' is not a fifo, removing", m_aFilename);
fs_remove(m_aFilename);
mkfifo(m_aFilename, 0600);
stat(m_aFilename, &Attribute);
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if(!S_ISFIFO(Attribute.st_mode))
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{
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dbg_msg("fifo", "can't remove file '%s', quitting", m_aFilename);
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exit(2);
}
}
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m_File = open(m_aFilename, O_RDONLY | O_NONBLOCK);
if(m_File < 0)
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dbg_msg("fifo", "can't open file '%s'", m_aFilename);
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}
void CFifo::Shutdown()
{
if(m_File >= 0)
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{
close(m_File);
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fs_remove(m_aFilename);
}
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}
void CFifo::Update()
{
if(m_File < 0)
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return;
char aBuf[8192];
int Length = read(m_File, aBuf, sizeof(aBuf) - 1);
if(Length <= 0)
return;
aBuf[Length] = '\0';
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char *pCur = aBuf;
for(int i = 0; i < Length; ++i)
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{
if(aBuf[i] != '\n')
continue;
aBuf[i] = '\0';
m_pConsole->ExecuteLineFlag(pCur, m_Flag, -1);
pCur = aBuf + i + 1;
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}
if(pCur < aBuf + Length) // missed the last line
m_pConsole->ExecuteLineFlag(pCur, m_Flag, -1);
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}
#endif