static int RestoreConnection(WVIEWD_WORK *work)
{
if (ethernetMediumInit (&work->medium, work->stationHost, work->stationPort)
== ERROR)
{
radMsgLog (PRI_HIGH, "RestoreConnection: ethernet MediumInit failed");
return ERROR_ABORT;
}
// initialize the interface using the media specific routine
if ((*(work->medium.init))(&work->medium, work->stationDevice) == ERROR)
{
radMsgLog (PRI_HIGH, "RestoreConnection: medium setup failed");
return ERROR;
}
// Make the socket blocking:
radSocketSetBlocking ((*(work->medium.getsocket))(&work->medium), TRUE);
return OK;
}
// station-supplied init function
// -- Can Be Asynchronous - event indication required --
//
// MUST:
// - set the 'stationGeneratesArchives' flag in WVIEWD_WORK:
// if the station generates archive records (TRUE) or they should be
// generated automatically by the daemon from the sensor readings (FALSE)
// - Initialize the 'stationData' store for station work area
// - Initialize the interface medium
// - do initial LOOP acquisition
// - do any catch-up on archive records if there is a data logger
// - 'work->runningFlag' can be used for start up synchronization but should
// not be modified by the station interface code
// - indicate init is done by sending the STATION_INIT_COMPLETE_EVENT event to
// this process (radProcessEventsSend (NULL, STATION_INIT_COMPLETE_EVENT, 0))
//
// OPTIONAL:
// - Initialize a state machine or any other construct required for the
// station interface - these should be stored in the 'stationData' store
//
// 'archiveIndication' - indication callback used to pass back an archive record
// generated as a result of 'stationGetArchive' being called; should receive a
// NULL pointer for 'newRecord' if no record available; only used if
// 'stationGeneratesArchives' flag is set to TRUE by the station interface
//
// Returns: OK or ERROR
//
int stationInit
(
WVIEWD_WORK *work,
void (*archiveIndication)(ARCHIVE_PKT* newRecord)
)
{
int i;
STIM stim;
memset (&ws2300WorkData, 0, sizeof(ws2300WorkData));
// save the archive indication callback (we should never need it)
ArchiveIndicator = archiveIndication;
// set our work data pointer
work->stationData = &ws2300WorkData;
// set the Archive Generation flag to indicate the WS-2300 DOES NOT
// generate them
work->stationGeneratesArchives = FALSE;
// initialize the medium abstraction based on user configuration
if (!strcmp (work->stationInterface, "serial"))
{
if (serialMediumInit (&work->medium, serialPortConfig, O_RDWR | O_NOCTTY | O_NDELAY) == ERROR)
{
radMsgLog (PRI_HIGH, "stationInit: serial MediumInit failed");
return ERROR;
}
}
else if (!strcmp (work->stationInterface, "ethernet"))
{
if (ethernetMediumInit (&work->medium, work->stationHost, work->stationPort)
== ERROR)
{
radMsgLog (PRI_HIGH, "stationInit: ethernet MediumInit failed");
return ERROR;
}
}
else
{
radMsgLog (PRI_HIGH, "stationInit: medium %s not supported",
work->stationInterface);
return ERROR;
}
// initialize the interface using the media specific routine
if ((*(work->medium.init)) (&work->medium, work->stationDevice) == ERROR)
{
radMsgLog (PRI_HIGH, "stationInit: medium setup failed");
return ERROR;
}
if (!strcmp (work->stationInterface, "serial"))
{
radMsgLog (PRI_STATUS, "WS-2300 on %s opened ...",
work->stationDevice);
}
else if (!strcmp (work->stationInterface, "ethernet"))
{
radMsgLog (PRI_STATUS, "WS-2300 on %s:%d opened ...",
work->stationHost, work->stationPort);
}
// grab the station configuration now
if (stationGetConfigValueInt (work,
STATION_PARM_ELEVATION,
&ws2300WorkData.elevation)
== ERROR)
{
radMsgLog (PRI_HIGH, "stationInit: stationGetConfigValueInt ELEV failed!");
(*(work->medium.exit)) (&work->medium);
return ERROR;
}
if (stationGetConfigValueFloat (work,
STATION_PARM_LATITUDE,
&ws2300WorkData.latitude)
== ERROR)
{
radMsgLog (PRI_HIGH, "stationInit: stationGetConfigValueInt LAT failed!");
(*(work->medium.exit)) (&work->medium);
return ERROR;
}
if (stationGetConfigValueFloat (work,
STATION_PARM_LONGITUDE,
&ws2300WorkData.longitude)
== ERROR)
{
radMsgLog (PRI_HIGH, "stationInit: stationGetConfigValueInt LONG failed!");
(*(work->medium.exit)) (&work->medium);
return ERROR;
}
if (stationGetConfigValueInt (work,
STATION_PARM_ARC_INTERVAL,
&ws2300WorkData.archiveInterval)
== ERROR)
{
radMsgLog (PRI_HIGH, "stationInit: stationGetConfigValueInt ARCINT failed!");
(*(work->medium.exit)) (&work->medium);
return ERROR;
}
// now initialize the state machine
ws2300WorkData.stateMachine = radStatesInit (work);
if (ws2300WorkData.stateMachine == NULL)
{
radMsgLog (PRI_HIGH, "stationInit: radStatesInit failed");
(*(work->medium.exit)) (&work->medium);
return ERROR;
}
if (radStatesAddHandler (ws2300WorkData.stateMachine,
WS_STATE_STARTPROC,
wsStartProcState)
== ERROR)
{
radMsgLog (PRI_HIGH, "stationInit: radStatesAddHandler failed");
radStatesExit (ws2300WorkData.stateMachine);
(*(work->medium.exit)) (&work->medium);
return ERROR;
}
if (radStatesAddHandler (ws2300WorkData.stateMachine,
WS_STATE_RUN,
wsRunState)
== ERROR)
{
radMsgLog (PRI_HIGH, "stationInit: radStatesAddHandler failed");
radStatesExit (ws2300WorkData.stateMachine);
(*(work->medium.exit)) (&work->medium);
return ERROR;
}
if (radStatesAddHandler (ws2300WorkData.stateMachine,
WS_STATE_ADRS0_ACK,
wsAdrs0State)
== ERROR)
{
radMsgLog (PRI_HIGH, "stationInit: radStatesAddHandler failed");
radStatesExit (ws2300WorkData.stateMachine);
(*(work->medium.exit)) (&work->medium);
return ERROR;
}
if (radStatesAddHandler (ws2300WorkData.stateMachine,
WS_STATE_ADRS1_ACK,
wsAdrs1State)
== ERROR)
{
radMsgLog (PRI_HIGH, "stationInit: radStatesAddHandler failed");
radStatesExit (ws2300WorkData.stateMachine);
(*(work->medium.exit)) (&work->medium);
return ERROR;
}
if (radStatesAddHandler (ws2300WorkData.stateMachine,
WS_STATE_ADRS2_ACK,
wsAdrs2State)
== ERROR)
{
radMsgLog (PRI_HIGH, "stationInit: radStatesAddHandler failed");
radStatesExit (ws2300WorkData.stateMachine);
(*(work->medium.exit)) (&work->medium);
return ERROR;
}
if (radStatesAddHandler (ws2300WorkData.stateMachine,
WS_STATE_ADRS3_ACK,
wsAdrs3State)
== ERROR)
{
radMsgLog (PRI_HIGH, "stationInit: radStatesAddHandler failed");
radStatesExit (ws2300WorkData.stateMachine);
(*(work->medium.exit)) (&work->medium);
return ERROR;
}
if (radStatesAddHandler (ws2300WorkData.stateMachine,
WS_STATE_NUMBYTES_ACK,
wsNumBytesState)
== ERROR)
{
radMsgLog (PRI_HIGH, "stationInit: radStatesAddHandler failed");
radStatesExit (ws2300WorkData.stateMachine);
(*(work->medium.exit)) (&work->medium);
return ERROR;
}
if (radStatesAddHandler (ws2300WorkData.stateMachine,
WS_STATE_ERROR,
wsErrorState)
== ERROR)
{
radMsgLog (PRI_HIGH, "stationInit: radStatesAddHandler failed");
radStatesExit (ws2300WorkData.stateMachine);
(*(work->medium.exit)) (&work->medium);
return ERROR;
}
radStatesSetState (ws2300WorkData.stateMachine, WS_STATE_STARTPROC);
radMsgLog (PRI_STATUS, "Starting station interface: WS2300");
// dummy up a stimulus to get the state machine running
stim.type = STIM_DUMMY;
radStatesProcess (ws2300WorkData.stateMachine, &stim);
return OK;
}
// station-supplied init function
// -- Can Be Asynchronous - event indication required --
//
// MUST:
// - set the 'stationGeneratesArchives' flag in WVIEWD_WORK:
// if the station generates archive records (TRUE) or they should be
// generated automatically by the daemon from the sensor readings (FALSE)
// - Initialize the 'stationData' store for station work area
// - Initialize the interface medium
// - do initial LOOP acquisition
// - do any catch-up on archive records if there is a data logger
// - 'work->runningFlag' can be used for start up synchronization but should
// not be modified by the station interface code
// - indicate init is done by sending the STATION_INIT_COMPLETE_EVENT event to
// this process (radProcessEventsSend (NULL, STATION_INIT_COMPLETE_EVENT, 0))
//
// OPTIONAL:
// - Initialize a state machine or any other construct required for the
// station interface - these should be stored in the 'stationData' store
//
// 'archiveIndication' - indication callback used to pass back an archive record
// generated as a result of 'stationGetArchive' being called; should receive a
// NULL pointer for 'newRecord' if no record available; only used if
// 'stationGeneratesArchives' flag is set to TRUE by the station interface
//
// Returns: OK or ERROR
//
int stationInit
(
WVIEWD_WORK *work,
void (*archiveIndication)(ARCHIVE_PKT* newRecord)
)
{
int i;
time_t nowTime = time(NULL) - (WV_SECONDS_IN_HOUR * 12);
ARCHIVE_PKT recordStore;
ARCHIVE_PKT newestRecord;
char tempStr[WVIEW_MAX_PATH];
memset (&virtualWorkData, 0, sizeof(virtualWorkData));
// save the archive indication callback (we should never need it)
ArchiveIndicator = archiveIndication;
// set our work data pointer
work->stationData = &virtualWorkData;
// set the Archive Generation flag to indicate the VIRTUAL DOES NOT
// generate them
work->stationGeneratesArchives = TRUE;
// initialize the medium abstraction based on user configuration
if (!strcmp (work->stationInterface, "serial"))
{
radMsgLog (PRI_HIGH, "stationInit: serial medium not supported for virtual station!");
return ERROR;
}
else if (!strcmp (work->stationInterface, "ethernet"))
{
if (ethernetMediumInit (&work->medium, work->stationHost, work->stationPort)
== ERROR)
{
radMsgLog (PRI_HIGH, "stationInit: ethernet MediumInit failed");
return ERROR;
}
}
else
{
radMsgLog (PRI_HIGH, "stationInit: medium %s not supported",
work->stationInterface);
return ERROR;
}
// initialize the interface using the media specific routine
if ((*(work->medium.init))(&work->medium, work->stationDevice) == ERROR)
{
radMsgLog (PRI_HIGH, "stationInit: medium setup failed");
return ERROR;
}
// Make the socket blocking:
radSocketSetBlocking ((*(work->medium.getsocket))(&work->medium), TRUE);
// Reset the stationType to include the host:port:
sprintf(tempStr, "%s:%s:%d",
work->stationType, work->stationHost, work->stationPort);
wvstrncpy(work->stationType, tempStr, sizeof(work->stationType));
if (!strcmp (work->stationInterface, "ethernet"))
{
radMsgLog (PRI_STATUS, "VIRTUAL on %s:%d opened ...",
work->stationHost, work->stationPort);
}
// grab the station configuration now
if (stationGetConfigValueInt (work,
STATION_PARM_ELEVATION,
&virtualWorkData.elevation)
== ERROR)
{
radMsgLog (PRI_HIGH, "stationInit: stationGetConfigValueInt ELEV failed!");
(*(work->medium.exit)) (&work->medium);
return ERROR;
}
if (stationGetConfigValueFloat (work,
STATION_PARM_LATITUDE,
&virtualWorkData.latitude)
== ERROR)
{
radMsgLog (PRI_HIGH, "stationInit: stationGetConfigValueInt LAT failed!");
(*(work->medium.exit)) (&work->medium);
return ERROR;
}
if (stationGetConfigValueFloat (work,
STATION_PARM_LONGITUDE,
&virtualWorkData.longitude)
== ERROR)
{
radMsgLog (PRI_HIGH, "stationInit: stationGetConfigValueInt LONG failed!");
(*(work->medium.exit)) (&work->medium);
return ERROR;
}
if (stationGetConfigValueInt (work,
STATION_PARM_ARC_INTERVAL,
&virtualWorkData.archiveInterval)
== ERROR)
{
radMsgLog (PRI_HIGH, "stationInit: stationGetConfigValueInt ARCINT failed!");
(*(work->medium.exit)) (&work->medium);
return ERROR;
}
// set the work archive interval now
work->archiveInterval = virtualWorkData.archiveInterval;
// sanity check the archive interval against the most recent record
if (stationVerifyArchiveInterval (work) == ERROR)
{
// bad magic!
radMsgLog (PRI_HIGH, "stationInit: stationVerifyArchiveInterval failed!");
radMsgLog (PRI_HIGH, "You must either move old archive data out of the way -or-");
radMsgLog (PRI_HIGH, "fix the interval setting...");
(*(work->medium.exit)) (&work->medium);
return ERROR;
}
else
{
radMsgLog (PRI_STATUS, "station archive interval: %d minutes",
work->archiveInterval);
}
radMsgLog (PRI_STATUS, "Starting station interface: VIRTUAL");
// This must be done here:
work->archiveDateTime = dbsqliteArchiveGetNewestTime(&newestRecord);
if ((int)work->archiveDateTime == ERROR)
{
work->archiveDateTime = 0;
radMsgLog (PRI_STATUS, "stationInit: no archive records found in database!");
}
// initialize the station interface
if (virtualProtocolInit(work) == ERROR)
{
radMsgLog (PRI_HIGH, "stationInit: virtualProtocolInit failed!");
(*(work->medium.exit)) (&work->medium);
return ERROR;
}
// do the initial GetReadings now
if (virtualProtocolGetReadings(work, &virtualWorkData.virtualReadings) != OK)
{
radMsgLog (PRI_HIGH, "stationInit: initial virtualProtocolGetReadings failed!");
virtualProtocolExit (work);
(*(work->medium.exit)) (&work->medium);
return ERROR;
}
// populate the LOOP structure
storeLoopPkt (&work->loopPkt, &virtualWorkData);
// we must indicate successful completion here -
// even though we are synchronous, the daemon wants to see this event
radProcessEventsSend(NULL, STATION_INIT_COMPLETE_EVENT, 0);
return OK;
}
// station-supplied init function
// -- Can Be Asynchronous - event indication required --
//
// MUST:
// - set the 'stationGeneratesArchives' flag in WVIEWD_WORK:
// if the station generates archive records (TRUE) or they should be
// generated automatically by the daemon from the sensor readings (FALSE)
// - Initialize the 'stationData' store for station work area
// - Initialize the interface medium
// - do initial LOOP acquisition
// - do any catch-up on archive records if there is a data logger
// - 'work->runningFlag' can be used for start up synchronization but should
// not be modified by the station interface code
// - indicate init is done by sending the STATION_INIT_COMPLETE_EVENT event to
// this process (radProcessEventsSend (NULL, STATION_INIT_COMPLETE_EVENT, 0))
//
// OPTIONAL:
// - Initialize a state machine or any other construct required for the
// station interface - these should be stored in the 'stationData' store
//
// 'archiveIndication' - indication callback used to pass back an archive record
// generated as a result of 'stationGetArchive' being called; should receive a
// NULL pointer for 'newRecord' if no record available; only used if
// 'stationGeneratesArchives' flag is set to TRUE by the station interface
//
// Returns: OK or ERROR
//
int stationInit
(
WVIEWD_WORK *work,
void (*archiveIndication)(ARCHIVE_PKT* newRecord)
)
{
int i;
ARCHIVE_PKT recordStore;
time_t nowTime;
memset (&twiWorkData, 0, sizeof(twiWorkData));
pwviewWork = work;
twiWorkData.baudrate = B19200;
// save the archive indication callback (we should never need it)
ArchiveIndicator = archiveIndication;
// set our work data pointer
work->stationData = &twiWorkData;
// set the Archive Generation flag to indicate the TWI DOES NOT
// generate them
work->stationGeneratesArchives = FALSE;
// initialize the medium abstraction based on user configuration
if (!strcmp (work->stationInterface, "serial"))
{
if (serialMediumInit (&work->medium, serialPortConfig, O_RDWR | O_NOCTTY | O_NDELAY) == ERROR)
{
radMsgLog (PRI_HIGH, "stationInit: serial MediumInit failed");
return ERROR;
}
}
else if (!strcmp (work->stationInterface, "ethernet"))
{
if (ethernetMediumInit (&work->medium, work->stationHost, work->stationPort)
== ERROR)
{
radMsgLog (PRI_HIGH, "stationInit: ethernet MediumInit failed");
return ERROR;
}
}
else
{
radMsgLog (PRI_HIGH, "stationInit: medium %s not supported",
work->stationInterface);
return ERROR;
}
// initialize the interface using the media specific routine
if ((*(work->medium.init)) (&work->medium, work->stationDevice) == ERROR)
{
radMsgLog (PRI_HIGH, "stationInit: medium setup failed");
return ERROR;
}
// Autobaud the station now:
twiWorkData.baudrate = twiConfig(work);
if (twiWorkData.baudrate <= 0)
{
radMsgLog (PRI_HIGH, "TWI: twiProtocolInit: autobaud failed!");
return ERROR;
}
radMsgLog (PRI_STATUS, "TWI: autobaud = %d", twiWorkData.baudrate);
// Reconfigure the serial port here to ensure consistency:
serialPortConfig(work->medium.fd);
tcflush (work->medium.fd, TCIFLUSH);
tcflush (work->medium.fd, TCOFLUSH);
if (!strcmp (work->stationInterface, "serial"))
{
radMsgLog (PRI_STATUS, "TWI on %s opened ...",
work->stationDevice);
}
else if (!strcmp (work->stationInterface, "ethernet"))
{
radMsgLog (PRI_STATUS, "TWI on %s:%d opened ...",
work->stationHost, work->stationPort);
}
// grab the station configuration now
if (stationGetConfigValueInt (work,
STATION_PARM_ELEVATION,
&twiWorkData.elevation)
== ERROR)
{
radMsgLog (PRI_HIGH, "stationInit: stationGetConfigValueInt ELEV failed!");
(*(work->medium.exit)) (&work->medium);
return ERROR;
}
if (stationGetConfigValueFloat (work,
STATION_PARM_LATITUDE,
&twiWorkData.latitude)
== ERROR)
{
radMsgLog (PRI_HIGH, "stationInit: stationGetConfigValueInt LAT failed!");
(*(work->medium.exit)) (&work->medium);
return ERROR;
}
if (stationGetConfigValueFloat (work,
STATION_PARM_LONGITUDE,
&twiWorkData.longitude)
== ERROR)
{
radMsgLog (PRI_HIGH, "stationInit: stationGetConfigValueInt LONG failed!");
(*(work->medium.exit)) (&work->medium);
return ERROR;
}
if (stationGetConfigValueInt (work,
STATION_PARM_ARC_INTERVAL,
&twiWorkData.archiveInterval)
== ERROR)
{
radMsgLog (PRI_HIGH, "stationInit: stationGetConfigValueInt ARCINT failed!");
(*(work->medium.exit)) (&work->medium);
return ERROR;
}
// set the work archive interval now
work->archiveInterval = twiWorkData.archiveInterval;
// sanity check the archive interval against the most recent record
if (stationVerifyArchiveInterval (work) == ERROR)
{
// bad magic!
radMsgLog (PRI_HIGH, "stationInit: stationVerifyArchiveInterval failed!");
radMsgLog (PRI_HIGH, "You must either move old archive data out of the way -or-");
radMsgLog (PRI_HIGH, "fix the interval setting...");
(*(work->medium.exit)) (&work->medium);
return ERROR;
}
else
{
radMsgLog (PRI_STATUS, "station archive interval: %d minutes",
work->archiveInterval);
}
twiWorkData.totalRain = 0;
// Create the rain accumulator (TWI_RAIN_RATE_PERIOD minute age)
// so we can compute rain rate:
twiWorkData.rainRateAccumulator = sensorAccumInit(TWI_RAIN_RATE_PERIOD);
// Populate the accumulator with the last TWI_RAIN_RATE_PERIOD minutes:
nowTime = time(NULL) - (WV_SECONDS_IN_HOUR/(60/TWI_RAIN_RATE_PERIOD));
while ((nowTime = dbsqliteArchiveGetNextRecord(nowTime, &recordStore)) != ERROR)
{
sensorAccumAddSample(twiWorkData.rainRateAccumulator,
recordStore.dateTime,
recordStore.value[DATA_INDEX_rain]);
}
radMsgLog (PRI_STATUS, "Starting station interface: TWI");
// initialize the station interface
if (twiProtocolInit(work) == ERROR)
{
radMsgLog (PRI_HIGH, "stationInit: twiProtocolInit failed!");
(*(work->medium.exit)) (&work->medium);
return ERROR;
}
// do the initial GetReadings now
if (twiProtocolGetReadings(work, &twiWorkData.twiReadings) != OK)
{
radMsgLog (PRI_HIGH, "stationInit: initial twiProtocolGetReadings failed!");
twiProtocolExit (work);
(*(work->medium.exit)) (&work->medium);
return ERROR;
}
// Initialize the 12-hour temp accumulator:
twi12HourTempAvg = sensorAccumInit(60 * 12);
// Load data for the last 12 hours:
nowTime = time(NULL) - (WV_SECONDS_IN_HOUR * 12);
while ((nowTime = dbsqliteArchiveGetNextRecord(nowTime, &recordStore)) != ERROR)
{
sensorAccumAddSample(twi12HourTempAvg,
recordStore.dateTime,
recordStore.value[DATA_INDEX_outTemp]);
}
// populate the LOOP structure
storeLoopPkt (work, &work->loopPkt, &twiWorkData.twiReadings);
// we must indicate successful completion here -
// even though we are synchronous, the daemon wants to see this event
radProcessEventsSend(NULL, STATION_INIT_COMPLETE_EVENT, 0);
return OK;
}