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Robustify accesses to server config

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This commit is contained in:
Thulinma 2018-11-11 03:59:23 +01:00
parent 6032f236d2
commit 98e3940079
15 changed files with 320 additions and 266 deletions
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12
src/input/input_buffer.cpp
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@ -946,13 +946,11 @@ namespace Mist {
std::string strName = config->getString("streamname");
Util::sanitizeName(strName);
strName = strName.substr(0, (strName.find_first_of("+ ")));
IPC::sharedPage serverCfg(SHM_CONF, DEFAULT_CONF_PAGE_SIZE, false, false); ///< Contains server configuration and capabilities
IPC::semaphore configLock(SEM_CONF, O_CREAT | O_RDWR, ACCESSPERMS, 1);
if (!configLock.tryWaitOneSecond()){
INFO_MSG("Aborting stream config refresh: locking took longer than expected");
return false;
}
DTSC::Scan streamCfg = DTSC::Scan(serverCfg.mapped, serverCfg.len).getMember("streams").getMember(strName);
char tmpBuf[NAME_BUFFER_SIZE];
snprintf(tmpBuf, NAME_BUFFER_SIZE, SHM_STREAM_CONF, strName.c_str());
Util::DTSCShmReader rStrmConf(tmpBuf);
DTSC::Scan streamCfg = rStrmConf.getScan();
long long tmpNum;
//if stream is configured and setting is present, use it, always