diff options
author | Christian Gromm <christian.gromm@microchip.com> | 2016-12-08 16:46:07 +0100 |
---|---|---|
committer | Christian Gromm <christian.gromm@microchip.com> | 2016-12-08 16:46:07 +0100 |
commit | 0a28683a1ff9f3975c8b68b15017cf342bab5f3d (patch) | |
tree | 2f350b709db4d45532fc0624cfce22ec11e43ccf /Src/Multiplexer/ThreadWriteNetwork.cpp | |
parent | 18c9e9fc0000861257ab06f6a033612b0c567674 (diff) |
src: vod-server: import sources
This patch adds the source tree of the Video-On-Demand server and
its configuration scripts.
Change-Id: I6db8c43d46c7450baf117a541bd7153496dbcd4c
Signed-off-by: Christian Gromm <christian.gromm@microchip.com>
Diffstat (limited to 'Src/Multiplexer/ThreadWriteNetwork.cpp')
-rw-r--r-- | Src/Multiplexer/ThreadWriteNetwork.cpp | 134 |
1 files changed, 134 insertions, 0 deletions
diff --git a/Src/Multiplexer/ThreadWriteNetwork.cpp b/Src/Multiplexer/ThreadWriteNetwork.cpp new file mode 100644 index 0000000..5723a6c --- /dev/null +++ b/Src/Multiplexer/ThreadWriteNetwork.cpp @@ -0,0 +1,134 @@ +/* + * Video On Demand Samples + * + * Copyright (C) 2015 Microchip Technology Germany II GmbH & Co. KG + * + * This program 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, either version 3 of the License, or + * (at your option) any later version. + * + * This program 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 this program. If not, see <http://www.gnu.org/licenses/>. + * + * You may also obtain this software under a propriety license from Microchip. + * Please contact Microchip for further information. + * + */ + +#include <stdint.h> +#include "Console.h" +#include "ThreadWriteNetwork.h" +#include "Multiplexer.h" + + + + + +CThreadWriteNetwork::CThreadWriteNetwork() : + m_hThread(0), m_bRunning(false), m_Multiplexer(NULL) +{ +} + + +void *CThreadWriteNetwork::Run(void *pInst) { + assert(NULL != pInst); + CThreadWriteNetwork *that = (CThreadWriteNetwork *)pInst; + + /* set thread to max priority: */ + int ret; + pthread_t this_thread = pthread_self(); + struct sched_param params; + params.sched_priority = sched_get_priority_max(SCHED_FIFO); + ret = pthread_setschedparam(this_thread, SCHED_FIFO, ¶ms); + if (ret != 0) { + ConsolePrintf( PRIO_ERROR, RED"CThreadWriteNetwork setschedparam(SCHED_FIFO) failed"RESETCOLOR"\n"); + } + // Now verify the change in thread priority + int policy = 0; + ret = pthread_getschedparam(this_thread, &policy, ¶ms); + if (ret != 0) { + ConsolePrintf( PRIO_ERROR, RED"CThreadWriteNetwork getschedparam() failed"RESETCOLOR"\n"); + } + bool errorPrinted = false; + WriteResult_t result; + bool shallWait; + while (that->m_bRunning) + { + shallWait = true; + result = that->m_Multiplexer->WriteToDriver(); + switch (result) + { + case WriteResult_Failed: + if (!errorPrinted) + { + errorPrinted = true; + ConsolePrintf( PRIO_ERROR, RED"failed to write driver"RESETCOLOR"\n"); + } + break; + case WriteResult_WouldBlock: + break; + case WriteResult_Success: + default: + shallWait = false; + break; + } + if ( that->m_bRunning && shallWait ) + usleep(1000); + } + pthread_exit(0); +} + + + + +void CThreadWriteNetwork::Start() +{ + if ( m_bRunning ) + return; + + if ( NULL == m_Multiplexer ) + return; + + m_bRunning = true; + if ( 0 != pthread_create(&m_hThread, NULL, Run, this) ) + ConsolePrintf( PRIO_ERROR, RED"! failed to create thread"RESETCOLOR"\n"); +} + + + + +void CThreadWriteNetwork::Stop() +{ + if ( m_bRunning ) + { + m_bRunning = false; + void *pVal; + pthread_join(m_hThread, &pVal); + m_hThread = 0; + } +} + + + + +void CThreadWriteNetwork::AddMultiplexer(CMultiplexer *multiplexer) +{ + Stop(); + m_Multiplexer = multiplexer; + Start(); +} + + + + +void CThreadWriteNetwork::RemoveMultiplexer(CMultiplexer *multiplexer) +{ + Stop(); + m_Multiplexer = NULL; +} |