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authorChristian Gromm <christian.gromm@microchip.com>2016-12-08 16:46:07 +0100
committerChristian Gromm <christian.gromm@microchip.com>2016-12-08 16:46:07 +0100
commit0a28683a1ff9f3975c8b68b15017cf342bab5f3d (patch)
tree2f350b709db4d45532fc0624cfce22ec11e43ccf /Src/Multiplexer/ThreadWriteNetwork.cpp
parent18c9e9fc0000861257ab06f6a033612b0c567674 (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.cpp134
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, &params);
+ 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, &params);
+ 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;
+}