int
msPluginLayerInitializeVirtualTable(layerObj *layer)
{
VTFactoryItemObj *pVTFI;
msAcquireLock(TLOCK_LAYER_VTABLE);
pVTFI = lookupVTFItem(&gVirtualTableFactory, layer->plugin_library);
if ( ! pVTFI) {
pVTFI = loadCustomLayerDLL(layer, layer->plugin_library);
if ( ! pVTFI) {
msReleaseLock(TLOCK_LAYER_VTABLE);
return MS_FAILURE;
}
if (insertNewVTFItem(&gVirtualTableFactory, pVTFI) != MS_SUCCESS) {
destroyVTFItem(&pVTFI);
msReleaseLock(TLOCK_LAYER_VTABLE);
return MS_FAILURE;
}
}
msReleaseLock(TLOCK_LAYER_VTABLE);
copyVirtualTable(layer->vtable, &pVTFI->vtable);
return MS_SUCCESS;
}
static msIOContextGroup *msIO_GetContextGroup()
{
int nThreadId = msGetThreadId();
msIOContextGroup *prev = NULL, *group = io_context_list;
if( group != NULL && group->thread_id == nThreadId )
return group;
/* -------------------------------------------------------------------- */
/* Search for group for this thread */
/* -------------------------------------------------------------------- */
msAcquireLock( TLOCK_IOCONTEXT );
msIO_Initialize();
group = io_context_list;
while( group != NULL && group->thread_id != nThreadId )
{
prev = group;
group = group->next;
}
/* -------------------------------------------------------------------- */
/* If we found it, make sure it is pushed to the front of the */
/* link for faster finding next time, and return it. */
/* -------------------------------------------------------------------- */
if( group != NULL )
{
if( prev != NULL )
{
prev->next = group->next;
group->next = io_context_list;
io_context_list = group;
}
msReleaseLock( TLOCK_IOCONTEXT );
return group;
}
/* -------------------------------------------------------------------- */
/* Create a new context group for this thread. */
/* -------------------------------------------------------------------- */
group = (msIOContextGroup *) calloc(sizeof(msIOContextGroup),1);
group->stdin_context = default_contexts.stdin_context;
group->stdout_context = default_contexts.stdout_context;
group->stderr_context = default_contexts.stderr_context;
group->thread_id = nThreadId;
group->next = io_context_list;
io_context_list = group;
msReleaseLock( TLOCK_IOCONTEXT );
return group;
}
void *msConnPoolRequest( layerObj *layer )
{
int i;
const char* close_connection;
if( layer->connection == NULL )
return NULL;
/* check if we must always create a new connection */
close_connection = msLayerGetProcessingKey( layer, "CLOSE_CONNECTION" );
if( close_connection && strcasecmp(close_connection,"ALWAYS") == 0 )
return NULL;
msAcquireLock( TLOCK_POOL );
for( i = 0; i < connectionCount; i++ )
{
connectionObj *conn = connections + i;
if( layer->connectiontype == conn->connectiontype
&& strcasecmp( layer->connection, conn->connection ) == 0
&& (conn->ref_count == 0 || conn->thread_id == msGetThreadId())
&& conn->lifespan != MS_LIFE_SINGLE)
{
void *conn_handle = NULL;
conn->ref_count++;
conn->thread_id = msGetThreadId();
conn->last_used = time(NULL);
if( layer->debug )
{
msDebug( "msConnPoolRequest(%s,%s) -> got %p\n",
layer->name, layer->connection, conn->conn_handle );
conn->debug = layer->debug;
}
conn_handle = conn->conn_handle;
msReleaseLock( TLOCK_POOL );
return conn_handle;
}
}
msReleaseLock( TLOCK_POOL );
return NULL;
}
/* msDebugCleanup()
**
** Called by msCleanup to remove info related to this thread.
*/
void msDebugCleanup()
{
/* make sure file is closed */
msCloseErrorFile();
#ifdef USE_THREAD
{
int thread_id = msGetThreadId();
debugInfoObj *link;
msAcquireLock( TLOCK_DEBUGOBJ );
/* find link for this thread */
for( link = debuginfo_list;
link != NULL && link->thread_id != thread_id
&& link->next != NULL && link->next->thread_id != thread_id;
link = link->next ) {}
if( link->thread_id == thread_id ) {
/* presumably link is at head of list. */
if( debuginfo_list == link )
debuginfo_list = link->next;
free( link );
} else if( link->next != NULL && link->next->thread_id == thread_id ) {
debugInfoObj *next_link = link->next;
link->next = link->next->next;
free( next_link );
}
msReleaseLock( TLOCK_DEBUGOBJ );
}
#endif
}
void msSetPROJ_LIB( const char *proj_lib, const char *pszRelToPath )
{
#ifdef USE_PROJ
static int finder_installed = 0;
char *extended_path = NULL;
/* Handle relative path if applicable */
if( proj_lib && pszRelToPath
&& proj_lib[0] != '/'
&& proj_lib[0] != '\\'
&& !(proj_lib[0] != '\0' && proj_lib[1] == ':') )
{
struct stat stat_buf;
extended_path = (char*) msSmallMalloc(strlen(pszRelToPath)
+ strlen(proj_lib) + 10);
sprintf( extended_path, "%s/%s", pszRelToPath, proj_lib );
#ifndef S_ISDIR
# define S_ISDIR(x) ((x) & S_IFDIR)
#endif
if( stat( extended_path, &stat_buf ) == 0
&& S_ISDIR(stat_buf.st_mode) )
proj_lib = extended_path;
}
msAcquireLock( TLOCK_PROJ );
if( finder_installed == 0 && proj_lib != NULL)
{
finder_installed = 1;
pj_set_finder( msProjFinder );
}
if (proj_lib == NULL) pj_set_finder(NULL);
if( ms_proj_lib != NULL )
{
free( ms_proj_lib );
ms_proj_lib = NULL;
}
if( last_filename != NULL )
{
free( last_filename );
last_filename = NULL;
}
if( proj_lib != NULL )
ms_proj_lib = msStrdup( proj_lib );
msReleaseLock( TLOCK_PROJ );
if ( extended_path )
msFree( extended_path );
#endif
}
static void msContourOGRCloseConnection(void *conn_handle)
{
OGRDataSourceH hDS = (OGRDataSourceH) conn_handle;
msAcquireLock(TLOCK_OGR);
OGR_DS_Destroy(hDS);
msReleaseLock(TLOCK_OGR);
}
void msConnPoolRelease( layerObj *layer, void *conn_handle )
{
int i;
if( layer->debug )
msDebug( "msConnPoolRelease(%s,%s,%p)\n",
layer->name, layer->connection, conn_handle );
if( layer->connection == NULL )
return;
msAcquireLock( TLOCK_POOL );
for( i = 0; i < connectionCount; i++ )
{
connectionObj *conn = connections + i;
if( layer->connectiontype == conn->connectiontype
&& strcasecmp( layer->connection, conn->connection ) == 0
&& conn->conn_handle == conn_handle )
{
conn->ref_count--;
conn->last_used = time(NULL);
if( conn->ref_count == 0 )
conn->thread_id = 0;
if( conn->ref_count == 0 && (conn->lifespan == MS_LIFE_ZEROREF || conn->lifespan == MS_LIFE_SINGLE) )
msConnPoolClose( i );
msReleaseLock( TLOCK_POOL );
return;
}
}
msReleaseLock( TLOCK_POOL );
msDebug( "%s: Unable to find handle for layer '%s'.\n",
"msConnPoolRelease()",
layer->name );
msSetError( MS_MISCERR,
"Unable to find handle for layer '%s'.",
"msConnPoolRelease()",
layer->name );
}
debugInfoObj *msGetDebugInfoObj()
{
debugInfoObj *link;
int thread_id;
debugInfoObj *ret_obj;
msAcquireLock( TLOCK_DEBUGOBJ );
thread_id = msGetThreadId();
/* find link for this thread */
for( link = debuginfo_list;
link != NULL && link->thread_id != thread_id
&& link->next != NULL && link->next->thread_id != thread_id;
link = link->next ) {}
/* If the target thread link is already at the head of the list were ok */
if( debuginfo_list != NULL && debuginfo_list->thread_id == thread_id )
{
}
/* We don't have one ... initialize one. */
else if( link == NULL || link->next == NULL )
{
debugInfoObj *new_link;
new_link = (debugInfoObj *) malloc(sizeof(debugInfoObj));
if (new_link != NULL)
{
new_link->next = debuginfo_list;
new_link->thread_id = thread_id;
new_link->global_debug_level = MS_DEBUGLEVEL_ERRORSONLY;
new_link->debug_mode = MS_DEBUGMODE_OFF;
new_link->errorfile = NULL;
new_link->fp = NULL;
} else
msSetError(MS_MEMERR, "Out of memory allocating %u bytes.\n", "msGetDebugInfoObj()", sizeof(debugInfoObj));
debuginfo_list = new_link;
}
/* If the link is not already at the head of the list, promote it */
else if( link != NULL && link->next != NULL )
{
debugInfoObj *target = link->next;
link->next = link->next->next;
target->next = debuginfo_list;
debuginfo_list = target;
}
ret_obj = debuginfo_list;
msReleaseLock( TLOCK_DEBUGOBJ );
return ret_obj;
}
/**********************************************************************
* msHTTPCleanup()
*
**********************************************************************/
void msHTTPCleanup()
{
msAcquireLock(TLOCK_OWS);
if (gbCurlInitialized)
curl_global_cleanup();
gbCurlInitialized = MS_FALSE;
msReleaseLock(TLOCK_OWS);
}
int msContourLayerOpen(layerObj *layer)
{
char *decrypted_path;
char szPath[MS_MAXPATHLEN];
contourLayerInfo *clinfo;
if (layer->debug)
msDebug("Entering msContourLayerOpen().\n");
/* If we don't have info, initialize an empty one now */
if (layer->layerinfo == NULL)
msContourLayerInfoInitialize(layer);
clinfo = (contourLayerInfo *) layer->layerinfo;
GDALAllRegister();
/* Open the original Dataset */
msTryBuildPath3(szPath, layer->map->mappath, layer->map->shapepath, layer->data);
decrypted_path = msDecryptStringTokens(layer->map, szPath);
msAcquireLock(TLOCK_GDAL);
if (decrypted_path) {
clinfo->hOrigDS = GDALOpen(decrypted_path, GA_ReadOnly);
msFree(decrypted_path);
} else
clinfo->hOrigDS = NULL;
msReleaseLock(TLOCK_GDAL);
if (clinfo->hOrigDS == NULL) {
msSetError(MS_IMGERR,
"Unable to open GDAL dataset.",
"msContourLayerOpen()");
return MS_FAILURE;
}
/* Open the raster source */
if (msContourLayerReadRaster(layer, layer->map->extent) != MS_SUCCESS)
return MS_FAILURE;
/* Generate Contour Dataset */
if (msContourLayerGenerateContour(layer) != MS_SUCCESS)
return MS_FAILURE;
if (clinfo->hDS) {
GDALClose(clinfo->hDS);
clinfo->hDS = NULL;
free(clinfo->buffer);
}
/* Open our virtual ogr layer */
if (clinfo->hOGRDS && (msLayerOpen(&clinfo->ogrLayer) != MS_SUCCESS))
return MS_FAILURE;
return MS_SUCCESS;
}
/* msResetErrorList()
**
** Clear the list of error objects.
*/
void msResetErrorList()
{
errorObj *ms_error, *this_error;
ms_error = msGetErrorObj();
this_error = ms_error->next;
while( this_error != NULL)
{
errorObj *next_error;
next_error = this_error->next;
msFree(this_error);
this_error = next_error;
}
ms_error->next = NULL;
ms_error->code = MS_NOERR;
ms_error->routine[0] = '\0';
ms_error->message[0] = '\0';
/* -------------------------------------------------------------------- */
/* Cleanup our entry in the thread list. This is mainly */
/* imprortant when msCleanup() calls msResetErrorList(). */
/* -------------------------------------------------------------------- */
#ifdef USE_THREAD
{
int thread_id = msGetThreadId();
te_info_t *link;
msAcquireLock( TLOCK_ERROROBJ );
/* find link for this thread */
for( link = error_list;
link != NULL && link->thread_id != thread_id
&& link->next != NULL && link->next->thread_id != thread_id;
link = link->next ) {}
if( link->thread_id == thread_id )
{
/* presumably link is at head of list. */
if( error_list == link )
error_list = link->next;
free( link );
}
else if( link->next != NULL && link->next->thread_id == thread_id )
{
te_info_t *next_link = link->next;
link->next = link->next->next;
free( next_link );
}
msReleaseLock( TLOCK_ERROROBJ );
}
#endif
}
int msLoadSymbolSet(symbolSetObj *symbolset, mapObj *map)
{
int retval = MS_FAILURE;
msAcquireLock( TLOCK_PARSER );
retval = loadSymbolSet( symbolset, map );
msReleaseLock( TLOCK_PARSER );
return retval;
}
void msConnPoolFinalCleanup()
{
/* this really needs to be commented out before commiting. */
/* msDebug( "msConnPoolFinalCleanup()\n" ); */
msAcquireLock( TLOCK_POOL );
while( connectionCount > 0 )
msConnPoolClose( 0 );
msReleaseLock( TLOCK_POOL );
}
int msHTTPInit()
{
/* curl_global_init() should only be called once (no matter how
* many threads or libcurl sessions that'll be used) by every
* application that uses libcurl.
*/
msAcquireLock(TLOCK_OWS);
if (!gbCurlInitialized &&
curl_global_init(CURL_GLOBAL_ALL) != 0) {
msReleaseLock(TLOCK_OWS);
msSetError(MS_HTTPERR, "Libcurl initialization failed.",
"msHTTPInit()");
return MS_FAILURE;
}
gbCurlInitialized = MS_TRUE;
msReleaseLock(TLOCK_OWS);
return MS_SUCCESS;
}
errorObj *msGetErrorObj()
{
te_info_t *link;
int thread_id;
errorObj *ret_obj;
msAcquireLock( TLOCK_ERROROBJ );
thread_id = msGetThreadId();
/* find link for this thread */
for( link = error_list;
link != NULL && link->thread_id != thread_id
&& link->next != NULL && link->next->thread_id != thread_id;
link = link->next ) {}
/* If the target thread link is already at the head of the list were ok */
if( error_list != NULL && error_list->thread_id == thread_id )
{
}
/* We don't have one ... initialize one. */
else if( link == NULL || link->next == NULL )
{
te_info_t *new_link;
errorObj error_obj = { MS_NOERR, "", "", 0 };
new_link = (te_info_t *) malloc(sizeof(te_info_t));
new_link->next = error_list;
new_link->thread_id = thread_id;
new_link->ms_error = error_obj;
error_list = new_link;
}
/* If the link is not already at the head of the list, promote it */
else if( link != NULL && link->next != NULL )
{
te_info_t *target = link->next;
link->next = link->next->next;
target->next = error_list;
error_list = target;
}
ret_obj = &(error_list->ms_error);
msReleaseLock( TLOCK_ERROROBJ );
return ret_obj;
}
void msGDALInitialize( void )
{
if( !bGDALInitialized ) {
msAcquireLock( TLOCK_GDAL );
GDALAllRegister();
CPLPushErrorHandler( CPLQuietErrorHandler );
msReleaseLock( TLOCK_GDAL );
bGDALInitialized = 1;
}
}
void msGDALCleanup( void )
{
if( bGDALInitialized )
{
int iRepeat = 5;
msAcquireLock( TLOCK_GDAL );
#if GDAL_RELEASE_DATE > 20101207
{
/*
** Cleanup any unreferenced but open datasets as will tend
** to exist due to deferred close requests. We are careful
** to only close one file at a time before refecting the
** list as closing some datasets may cause others to be
** closed (subdatasets in a VRT for instance).
*/
GDALDatasetH *pahDSList = NULL;
int nDSCount = 0;
int bDidSomething;
do {
int i;
GDALGetOpenDatasets( &pahDSList, &nDSCount );
bDidSomething = FALSE;
for( i = 0; i < nDSCount && !bDidSomething; i++ )
{
if( GDALReferenceDataset( pahDSList[i] ) == 1 )
{
GDALClose( pahDSList[i] );
bDidSomething = TRUE;
}
else
GDALDereferenceDataset( pahDSList[i] );
}
} while( bDidSomething );
}
#endif
while( iRepeat-- )
CPLPopErrorHandler();
#if GDAL_RELEASE_DATE > 20021001
GDALDestroyDriverManager();
#endif
msReleaseLock( TLOCK_GDAL );
bGDALInitialized = 0;
}
}
/* msPluginFreeVirtualTableFactory()
** Called by msCleanup() to free the virtual table factory
*/
void
msPluginFreeVirtualTableFactory()
{
int i;
msAcquireLock(TLOCK_LAYER_VTABLE);
for (i=0; i<gVirtualTableFactory.size; i++) {
if (gVirtualTableFactory.vtItems[i])
destroyVTFItem(&(gVirtualTableFactory.vtItems[i]));
}
free(gVirtualTableFactory.vtItems);
gVirtualTableFactory.vtItems = NULL;
gVirtualTableFactory.size = 0;
gVirtualTableFactory.first_free = 0;
msReleaseLock(TLOCK_LAYER_VTABLE);
}
void msConnPoolCloseUnreferenced()
{
int i;
/* this really needs to be commented out before commiting. */
/* msDebug( "msConnPoolCloseUnreferenced()\n" ); */
msAcquireLock( TLOCK_POOL );
for( i = connectionCount - 1; i >= 0; i-- ) {
connectionObj *conn = connections + i;
if( conn->ref_count == 0 ) {
/* for now we don't assume the locks are re-entrant, so release */
/* it so msConnPoolClose() can get it. */
msConnPoolClose( i );
}
}
msReleaseLock( TLOCK_POOL );
}
int msTimeSetup() {
if(!ms_time_inited) {
msAcquireLock(TLOCK_TIME);
if(!ms_time_inited) {
int i;
for(i=0;i<MS_NUMTIMEFORMATS;i++) {
ms_timeFormats[i].regex = msSmallMalloc(sizeof(ms_regex_t));
if(0!=ms_regcomp(ms_timeFormats[i].regex, ms_timeFormats[i].pattern, MS_REG_EXTENDED|MS_REG_NOSUB)) {
msSetError(MS_REGEXERR, "Failed to compile expression (%s).", "msTimeSetup()", ms_timeFormats[i].pattern);
return MS_FAILURE;
/* TODO: free already inited regexes */
}
}
ms_limited_pattern = (int *)msSmallMalloc(sizeof(int)*MS_NUMTIMEFORMATS);
ms_num_limited_pattern = 0;
ms_time_inited = 1;
}
msReleaseLock(TLOCK_TIME);
}
return MS_SUCCESS;
}
int msUVRASTERLayerGetExtent(layerObj *layer, rectObj *extent)
{
char szPath[MS_MAXPATHLEN];
mapObj *map = layer->map;
double adfGeoTransform[6];
int nXSize, nYSize;
GDALDatasetH hDS;
shapefileObj *tileshpfile;
int tilelayerindex = -1;
CPLErr eErr = CE_Failure;
char *decrypted_path;
if( (!layer->data || strlen(layer->data) == 0)
&& layer->tileindex == NULL) {
/* should we be issuing a specific error about not supporting
extents for tileindexed raster layers? */
return MS_FAILURE;
}
if( map == NULL )
return MS_FAILURE;
/* If the layer use a tileindex, return the extent of the tileindex shapefile/referenced layer */
if (layer->tileindex) {
tilelayerindex = msGetLayerIndex(map, layer->tileindex);
if(tilelayerindex != -1) /* does the tileindex reference another layer */
return msLayerGetExtent(GET_LAYER(map, tilelayerindex), extent);
else {
tileshpfile = (shapefileObj *) malloc(sizeof(shapefileObj));
MS_CHECK_ALLOC(tileshpfile, sizeof(shapefileObj), MS_FAILURE);
if(msShapefileOpen(tileshpfile, "rb", msBuildPath3(szPath, map->mappath, map->shapepath, layer->tileindex), MS_TRUE) == -1)
if(msShapefileOpen(tileshpfile, "rb", msBuildPath(szPath, map->mappath, layer->tileindex), MS_TRUE) == -1)
return MS_FAILURE;
*extent = tileshpfile->bounds;
msShapefileClose(tileshpfile);
free(tileshpfile);
return MS_SUCCESS;
}
}
msTryBuildPath3(szPath, map->mappath, map->shapepath, layer->data);
decrypted_path = msDecryptStringTokens( map, szPath );
msAcquireLock( TLOCK_GDAL );
if( decrypted_path ) {
hDS = GDALOpen(decrypted_path, GA_ReadOnly );
msFree( decrypted_path );
} else
hDS = NULL;
if( hDS != NULL ) {
nXSize = GDALGetRasterXSize( hDS );
nYSize = GDALGetRasterYSize( hDS );
eErr = GDALGetGeoTransform( hDS, adfGeoTransform );
GDALClose( hDS );
}
msReleaseLock( TLOCK_GDAL );
if( hDS == NULL || eErr != CE_None ) {
return MS_FAILURE;
}
/* If this appears to be an ungeoreferenced raster than flip it for
mapservers purposes. */
if( adfGeoTransform[5] == 1.0 && adfGeoTransform[3] == 0.0 ) {
adfGeoTransform[5] = -1.0;
adfGeoTransform[3] = nYSize;
}
extent->minx = adfGeoTransform[0];
extent->maxy = adfGeoTransform[3];
extent->maxx = adfGeoTransform[0] + nXSize * adfGeoTransform[1];
extent->miny = adfGeoTransform[3] + nYSize * adfGeoTransform[5];
return MS_SUCCESS;
}
int msProjectPoint(projectionObj *in, projectionObj *out, pointObj *point)
{
#ifdef USE_PROJ
projUV p;
int error;
if( in && in->gt.need_geotransform )
{
double x_out, y_out;
x_out = in->gt.geotransform[0]
+ in->gt.geotransform[1] * point->x
+ in->gt.geotransform[2] * point->y;
y_out = in->gt.geotransform[3]
+ in->gt.geotransform[4] * point->x
+ in->gt.geotransform[5] * point->y;
point->x = x_out;
point->y = y_out;
}
/* -------------------------------------------------------------------- */
/* If the source and destination are simple and equal, then do */
/* nothing. */
/* -------------------------------------------------------------------- */
if( in && in->numargs == 1 && out && out->numargs == 1
&& strcmp(in->args[0],out->args[0]) == 0 )
{
/* do nothing, no transformation required */
}
/* -------------------------------------------------------------------- */
/* If we have a fully defined input coordinate system and */
/* output coordinate system, then we will use pj_transform. */
/* -------------------------------------------------------------------- */
else if( in && in->proj && out && out->proj )
{
double z = 0.0;
if( pj_is_latlong(in->proj) )
{
point->x *= DEG_TO_RAD;
point->y *= DEG_TO_RAD;
}
msAcquireLock( TLOCK_PROJ );
error = pj_transform( in->proj, out->proj, 1, 0,
&(point->x), &(point->y), &z );
msReleaseLock( TLOCK_PROJ );
if( error || point->x == HUGE_VAL || point->y == HUGE_VAL )
return MS_FAILURE;
if( pj_is_latlong(out->proj) )
{
point->x *= RAD_TO_DEG;
point->y *= RAD_TO_DEG;
}
}
/* -------------------------------------------------------------------- */
/* Otherwise we fallback to using pj_fwd() or pj_inv() and */
/* assuming that the NULL projectionObj is supposed to be */
/* lat/long in the same datum as the other projectionObj. This */
/* is essentially a backwards compatibility mode. */
/* -------------------------------------------------------------------- */
else
{
/* nothing to do if the other coordinate system is also lat/long */
if( in == NULL && out != NULL && pj_is_latlong(out->proj) )
return MS_SUCCESS;
if( out == NULL && in != NULL && pj_is_latlong(in->proj) )
return MS_SUCCESS;
p.u = point->x;
p.v = point->y;
if(in==NULL || in->proj==NULL) { /* input coordinates are lat/lon */
p.u *= DEG_TO_RAD; /* convert to radians */
p.v *= DEG_TO_RAD;
p = pj_fwd(p, out->proj);
} else {
if(out==NULL || out->proj==NULL) { /* output coordinates are lat/lon */
p = pj_inv(p, in->proj);
p.u *= RAD_TO_DEG; /* convert to decimal degrees */
p.v *= RAD_TO_DEG;
} else { /* need to go from one projection to another */
p = pj_inv(p, in->proj);
p = pj_fwd(p, out->proj);
}
}
if( p.u == HUGE_VAL || p.v == HUGE_VAL )
return MS_FAILURE;
point->x = p.u;
point->y = p.v;
}
if( out && out->gt.need_geotransform )
{
double x_out, y_out;
x_out = out->gt.invgeotransform[0]
+ out->gt.invgeotransform[1] * point->x
+ out->gt.invgeotransform[2] * point->y;
y_out = out->gt.invgeotransform[3]
+ out->gt.invgeotransform[4] * point->x
+ out->gt.invgeotransform[5] * point->y;
point->x = x_out;
point->y = y_out;
}
return(MS_SUCCESS);
#else
msSetError(MS_PROJERR, "Projection support is not available.", "msProjectPoint()");
return(MS_FAILURE);
#endif
}
int updateMap(mapservObj *mapserv, mapObj *map) {
int i, j;
if(!msLookupHashTable(&(map->web.validation), "immutable")) {
/* check for any %variable% substitutions here, also do any map_ changes, we do this here so WMS/WFS */
/* services can take advantage of these "vendor specific" extensions */
for(i=0; i<mapserv->request->NumParams; i++) {
/*
** a few CGI variables should be skipped altogether
**
** qstring: there is separate per layer validation for attribute queries and the substitution checks
** below conflict with that so we avoid it here
*/
if(strncasecmp(mapserv->request->ParamNames[i],"qstring",7) == 0) continue;
/* check to see if there are any additions to the mapfile */
if(strncasecmp(mapserv->request->ParamNames[i],"map_",4) == 0 || strncasecmp(mapserv->request->ParamNames[i],"map.",4) == 0) {
msAcquireLock( TLOCK_PARSER );
if(msUpdateMapFromURL(map, mapserv->request->ParamNames[i], mapserv->request->ParamValues[i]) != MS_SUCCESS) {
msReleaseLock( TLOCK_PARSER );
return MS_FAILURE;
}
msReleaseLock( TLOCK_PARSER );
continue;
}
if(strncasecmp(mapserv->request->ParamNames[i],"classgroup",10) == 0) { /* #4207 */
for(j=0; j<map->numlayers; j++) {
setClassGroup(GET_LAYER(map, j), mapserv->request->ParamValues[i]);
}
continue;
}
}
msApplySubstitutions(map, mapserv->request->ParamNames, mapserv->request->ParamValues, mapserv->request->NumParams);
msApplyDefaultSubstitutions(map);
/* check to see if a ogc map context is passed as argument. if there */
/* is one load it */
for(i=0; i<mapserv->request->NumParams; i++) {
if(strcasecmp(mapserv->request->ParamNames[i],"context") == 0) {
if(mapserv->request->ParamValues[i] && strlen(mapserv->request->ParamValues[i]) > 0) {
if(strncasecmp(mapserv->request->ParamValues[i],"http",4) == 0) {
if(msGetConfigOption(map, "CGI_CONTEXT_URL"))
msLoadMapContextURL(map, mapserv->request->ParamValues[i], MS_FALSE);
} else
msLoadMapContext(map, mapserv->request->ParamValues[i], MS_FALSE);
}
}
}
}
/*
* RFC-42 HTTP Cookie Forwarding
* Here we set the http_cookie_data metadata to handle the
* HTTP Cookie Forwarding. The content of this metadata is the cookie
* content. In the future, this metadata will probably be replaced
* by an object that is part of the mapObject that would contain
* information on the application status (such as cookie).
*/
if( mapserv->request->httpcookiedata != NULL ) {
msInsertHashTable( &(map->web.metadata), "http_cookie_data",
mapserv->request->httpcookiedata );
}
return MS_SUCCESS;
}
int msSaveImageGDAL( mapObj *map, imageObj *image, char *filename )
{
int bFileIsTemporary = MS_FALSE;
GDALDatasetH hMemDS, hOutputDS;
GDALDriverH hMemDriver, hOutputDriver;
int nBands = 1;
int iLine;
GByte *pabyAlphaLine = NULL;
char **papszOptions = NULL;
outputFormatObj *format = image->format;
rasterBufferObj rb;
GDALDataType eDataType = GDT_Byte;
int bUseXmp = MS_FALSE;
msGDALInitialize();
memset(&rb,0,sizeof(rasterBufferObj));
#ifdef USE_EXEMPI
if( map != NULL ) {
bUseXmp = msXmpPresent(map);
}
#endif
/* -------------------------------------------------------------------- */
/* Identify the proposed output driver. */
/* -------------------------------------------------------------------- */
msAcquireLock( TLOCK_GDAL );
hOutputDriver = GDALGetDriverByName( format->driver+5 );
if( hOutputDriver == NULL ) {
msReleaseLock( TLOCK_GDAL );
msSetError( MS_MISCERR, "Failed to find %s driver.",
"msSaveImageGDAL()", format->driver+5 );
return MS_FAILURE;
}
/* -------------------------------------------------------------------- */
/* We will need to write the output to a temporary file and */
/* then stream to stdout if no filename is passed. If the */
/* driver supports virtualio then we hold the temporary file in */
/* memory, otherwise we try to put it in a reasonable temporary */
/* file location. */
/* -------------------------------------------------------------------- */
if( filename == NULL ) {
const char *pszExtension = format->extension;
if( pszExtension == NULL )
pszExtension = "img.tmp";
if( bUseXmp == MS_FALSE && GDALGetMetadataItem( hOutputDriver, GDAL_DCAP_VIRTUALIO, NULL )
!= NULL ) {
CleanVSIDir( "/vsimem/msout" );
filename = msTmpFile(map, NULL, "/vsimem/msout/", pszExtension );
}
if( filename == NULL && map != NULL)
filename = msTmpFile(map, map->mappath,NULL,pszExtension);
else if( filename == NULL ) {
filename = msTmpFile(map, NULL, NULL, pszExtension );
}
bFileIsTemporary = MS_TRUE;
}
/* -------------------------------------------------------------------- */
/* Establish the characteristics of our memory, and final */
/* dataset. */
/* -------------------------------------------------------------------- */
if( format->imagemode == MS_IMAGEMODE_RGB ) {
nBands = 3;
assert( MS_RENDERER_PLUGIN(format) && format->vtable->supports_pixel_buffer );
format->vtable->getRasterBufferHandle(image,&rb);
} else if( format->imagemode == MS_IMAGEMODE_RGBA ) {
pabyAlphaLine = (GByte *) calloc(image->width,1);
if (pabyAlphaLine == NULL) {
msReleaseLock( TLOCK_GDAL );
msSetError( MS_MEMERR, "Out of memory allocating %u bytes.\n", "msSaveImageGDAL()", image->width);
return MS_FAILURE;
}
nBands = 4;
assert( MS_RENDERER_PLUGIN(format) && format->vtable->supports_pixel_buffer );
format->vtable->getRasterBufferHandle(image,&rb);
} else if( format->imagemode == MS_IMAGEMODE_INT16 ) {
nBands = format->bands;
eDataType = GDT_Int16;
} else if( format->imagemode == MS_IMAGEMODE_FLOAT32 ) {
nBands = format->bands;
eDataType = GDT_Float32;
} else if( format->imagemode == MS_IMAGEMODE_BYTE ) {
nBands = format->bands;
eDataType = GDT_Byte;
} else {
#ifdef USE_GD
assert( format->imagemode == MS_IMAGEMODE_PC256
&& format->renderer == MS_RENDER_WITH_GD );
#else
{
msReleaseLock( TLOCK_GDAL );
msSetError( MS_MEMERR, "GD not compiled in. This is a bug.", "msSaveImageGDAL()");
return MS_FAILURE;
}
#endif
}
/* -------------------------------------------------------------------- */
/* Create a memory dataset which we can use as a source for a */
/* CreateCopy(). */
/* -------------------------------------------------------------------- */
hMemDriver = GDALGetDriverByName( "MEM" );
if( hMemDriver == NULL ) {
msReleaseLock( TLOCK_GDAL );
msSetError( MS_MISCERR, "Failed to find MEM driver.",
"msSaveImageGDAL()" );
return MS_FAILURE;
}
hMemDS = GDALCreate( hMemDriver, "msSaveImageGDAL_temp",
image->width, image->height, nBands,
eDataType, NULL );
if( hMemDS == NULL ) {
msReleaseLock( TLOCK_GDAL );
msSetError( MS_MISCERR, "Failed to create MEM dataset.",
"msSaveImageGDAL()" );
return MS_FAILURE;
}
/* -------------------------------------------------------------------- */
/* Copy the gd image into the memory dataset. */
/* -------------------------------------------------------------------- */
for( iLine = 0; iLine < image->height; iLine++ ) {
int iBand;
for( iBand = 0; iBand < nBands; iBand++ ) {
GDALRasterBandH hBand = GDALGetRasterBand( hMemDS, iBand+1 );
if( format->imagemode == MS_IMAGEMODE_INT16 ) {
GDALRasterIO( hBand, GF_Write, 0, iLine, image->width, 1,
image->img.raw_16bit + iLine * image->width
+ iBand * image->width * image->height,
image->width, 1, GDT_Int16, 2, 0 );
} else if( format->imagemode == MS_IMAGEMODE_FLOAT32 ) {
GDALRasterIO( hBand, GF_Write, 0, iLine, image->width, 1,
image->img.raw_float + iLine * image->width
+ iBand * image->width * image->height,
image->width, 1, GDT_Float32, 4, 0 );
} else if( format->imagemode == MS_IMAGEMODE_BYTE ) {
GDALRasterIO( hBand, GF_Write, 0, iLine, image->width, 1,
image->img.raw_byte + iLine * image->width
+ iBand * image->width * image->height,
image->width, 1, GDT_Byte, 1, 0 );
}
#ifdef USE_GD
else if(format->renderer == MS_RENDER_WITH_GD) {
gdImagePtr img = (gdImagePtr)image->img.plugin;
GDALRasterIO( hBand, GF_Write, 0, iLine, image->width, 1,
img->pixels[iLine],
image->width, 1, GDT_Byte, 0, 0 );
}
#endif
else {
GByte *pabyData;
unsigned char *pixptr = NULL;
assert( rb.type == MS_BUFFER_BYTE_RGBA );
switch(iBand) {
case 0:
pixptr = rb.data.rgba.r;
break;
case 1:
pixptr = rb.data.rgba.g;
break;
case 2:
pixptr = rb.data.rgba.b;
break;
case 3:
pixptr = rb.data.rgba.a;
break;
}
assert(pixptr);
if( pixptr == NULL ) {
msReleaseLock( TLOCK_GDAL );
msSetError( MS_MISCERR, "Missing RGB or A buffer.\n",
"msSaveImageGDAL()" );
return MS_FAILURE;
}
pabyData = (GByte *)(pixptr + iLine*rb.data.rgba.row_step);
if( rb.data.rgba.a == NULL || iBand == 3 ) {
GDALRasterIO( hBand, GF_Write, 0, iLine, image->width, 1,
pabyData, image->width, 1, GDT_Byte,
rb.data.rgba.pixel_step, 0 );
} else { /* We need to un-pre-multiple RGB by alpha. */
GByte *pabyUPM = (GByte*) malloc(image->width);
GByte *pabyAlpha= (GByte *)(rb.data.rgba.a + iLine*rb.data.rgba.row_step);
int i;
for( i = 0; i < image->width; i++ ) {
int alpha = pabyAlpha[i*rb.data.rgba.pixel_step];
if( alpha == 0 )
pabyUPM[i] = 0;
else {
int result = (pabyData[i*rb.data.rgba.pixel_step] * 255) / alpha;
if( result > 255 )
result = 255;
pabyUPM[i] = result;
}
}
GDALRasterIO( hBand, GF_Write, 0, iLine, image->width, 1,
pabyUPM, image->width, 1, GDT_Byte, 1, 0 );
free( pabyUPM );
}
}
}
}
if( pabyAlphaLine != NULL )
free( pabyAlphaLine );
/* -------------------------------------------------------------------- */
/* Attach the palette if appropriate. */
/* -------------------------------------------------------------------- */
#ifdef USE_GD
if( format->renderer == MS_RENDER_WITH_GD ) {
GDALColorEntry sEntry;
int iColor;
GDALColorTableH hCT;
gdImagePtr img = (gdImagePtr)image->img.plugin;
hCT = GDALCreateColorTable( GPI_RGB );
for( iColor = 0; iColor < img->colorsTotal; iColor++ ) {
sEntry.c1 = img->red[iColor];
sEntry.c2 = img->green[iColor];
sEntry.c3 = img->blue[iColor];
if( iColor == gdImageGetTransparent( img ) )
sEntry.c4 = 0;
else if( iColor == 0
&& gdImageGetTransparent( img ) == -1
&& format->transparent )
sEntry.c4 = 0;
else
sEntry.c4 = 255;
GDALSetColorEntry( hCT, iColor, &sEntry );
}
GDALSetRasterColorTable( GDALGetRasterBand( hMemDS, 1 ), hCT );
GDALDestroyColorTable( hCT );
} else
#endif
if( format->imagemode == MS_IMAGEMODE_RGB ) {
GDALSetRasterColorInterpretation(
GDALGetRasterBand( hMemDS, 1 ), GCI_RedBand );
GDALSetRasterColorInterpretation(
GDALGetRasterBand( hMemDS, 2 ), GCI_GreenBand );
GDALSetRasterColorInterpretation(
GDALGetRasterBand( hMemDS, 3 ), GCI_BlueBand );
} else if( format->imagemode == MS_IMAGEMODE_RGBA ) {
GDALSetRasterColorInterpretation(
GDALGetRasterBand( hMemDS, 1 ), GCI_RedBand );
GDALSetRasterColorInterpretation(
GDALGetRasterBand( hMemDS, 2 ), GCI_GreenBand );
GDALSetRasterColorInterpretation(
GDALGetRasterBand( hMemDS, 3 ), GCI_BlueBand );
GDALSetRasterColorInterpretation(
GDALGetRasterBand( hMemDS, 4 ), GCI_AlphaBand );
}
/* -------------------------------------------------------------------- */
/* Assign the projection and coordinate system to the memory */
/* dataset. */
/* -------------------------------------------------------------------- */
if( map != NULL ) {
char *pszWKT;
GDALSetGeoTransform( hMemDS, map->gt.geotransform );
pszWKT = msProjectionObj2OGCWKT( &(map->projection) );
if( pszWKT != NULL ) {
GDALSetProjection( hMemDS, pszWKT );
msFree( pszWKT );
}
}
/* -------------------------------------------------------------------- */
/* Possibly assign a nodata value. */
/* -------------------------------------------------------------------- */
if( msGetOutputFormatOption(format,"NULLVALUE",NULL) != NULL ) {
int iBand;
const char *nullvalue = msGetOutputFormatOption(format,
"NULLVALUE",NULL);
for( iBand = 0; iBand < nBands; iBand++ ) {
GDALRasterBandH hBand = GDALGetRasterBand( hMemDS, iBand+1 );
GDALSetRasterNoDataValue( hBand, atof(nullvalue) );
}
}
/* -------------------------------------------------------------------- */
/* Try to save resolution in the output file. */
/* -------------------------------------------------------------------- */
if( image->resolution > 0 ) {
char res[30];
sprintf( res, "%lf", image->resolution );
GDALSetMetadataItem( hMemDS, "TIFFTAG_XRESOLUTION", res, NULL );
GDALSetMetadataItem( hMemDS, "TIFFTAG_YRESOLUTION", res, NULL );
GDALSetMetadataItem( hMemDS, "TIFFTAG_RESOLUTIONUNIT", "2", NULL );
}
/* -------------------------------------------------------------------- */
/* Create a disk image in the selected output format from the */
/* memory image. */
/* -------------------------------------------------------------------- */
papszOptions = (char**)calloc(sizeof(char *),(format->numformatoptions+1));
if (papszOptions == NULL) {
msReleaseLock( TLOCK_GDAL );
msSetError( MS_MEMERR, "Out of memory allocating %u bytes.\n", "msSaveImageGDAL()",
(unsigned int)(sizeof(char *)*(format->numformatoptions+1)));
return MS_FAILURE;
}
memcpy( papszOptions, format->formatoptions,
sizeof(char *) * format->numformatoptions );
hOutputDS = GDALCreateCopy( hOutputDriver, filename, hMemDS, FALSE,
papszOptions, NULL, NULL );
free( papszOptions );
if( hOutputDS == NULL ) {
GDALClose( hMemDS );
msReleaseLock( TLOCK_GDAL );
msSetError( MS_MISCERR, "Failed to create output %s file.\n%s",
"msSaveImageGDAL()", format->driver+5,
CPLGetLastErrorMsg() );
return MS_FAILURE;
}
/* closing the memory DS also frees all associated resources. */
GDALClose( hMemDS );
GDALClose( hOutputDS );
msReleaseLock( TLOCK_GDAL );
/* -------------------------------------------------------------------- */
/* Are we writing license info into the image? */
/* If so, add it to the temp file on disk now. */
/* -------------------------------------------------------------------- */
#ifdef USE_EXEMPI
if ( bUseXmp == MS_TRUE ) {
if( msXmpWrite(map, filename) == MS_FAILURE ) {
/* Something bad happened. */
msSetError( MS_MISCERR, "XMP write to %s failed.\n",
"msSaveImageGDAL()", filename);
return MS_FAILURE;
}
}
#endif
/* -------------------------------------------------------------------- */
/* Is this supposed to be a temporary file? If so, stream to */
/* stdout and delete the file. */
/* -------------------------------------------------------------------- */
if( bFileIsTemporary ) {
FILE *fp;
unsigned char block[4000];
int bytes_read;
if( msIO_needBinaryStdout() == MS_FAILURE )
return MS_FAILURE;
/* We aren't sure how far back GDAL exports the VSI*L API, so
we only use it if we suspect we need it. But we do need it if
holding temporary file in memory. */
fp = VSIFOpenL( filename, "rb" );
if( fp == NULL ) {
msSetError( MS_MISCERR,
"Failed to open %s for streaming to stdout.",
"msSaveImageGDAL()", filename );
return MS_FAILURE;
}
while( (bytes_read = VSIFReadL(block, 1, sizeof(block), fp)) > 0 )
msIO_fwrite( block, 1, bytes_read, stdout );
VSIFCloseL( fp );
VSIUnlink( filename );
CleanVSIDir( "/vsimem/msout" );
free( filename );
}
return MS_SUCCESS;
}
int msContourLayerOpen(layerObj *layer)
{
char *decrypted_path;
char szPath[MS_MAXPATHLEN];
contourLayerInfo *clinfo;
if (layer->debug)
msDebug("Entering msContourLayerOpen().\n");
/* If we don't have info, initialize an empty one now */
if (layer->layerinfo == NULL)
msContourLayerInfoInitialize(layer);
clinfo = (contourLayerInfo *) layer->layerinfo;
if (layer->data == NULL && layer->tileindex == NULL ) {
msSetError(MS_MISCERR,
"Layer %s has neither DATA nor TILEINDEX defined.",
"msContourLayerOpen()",
layer->name);
return MS_FAILURE;
}
if( layer->tileindex != NULL )
{
char szTilename[MS_MAXPATHLEN];
int status;
int tilelayerindex, tileitemindex, tilesrsindex;
rectObj searchrect;
layerObj* tlp;
shapeObj tshp;
char tilesrsname[1];
msInitShape(&tshp);
searchrect = layer->map->extent;
status = msDrawRasterSetupTileLayer(layer->map, layer,
&searchrect, MS_FALSE,
&tilelayerindex,
&tileitemindex,
&tilesrsindex,
&tlp);
if( status == MS_FAILURE )
{
return MS_FAILURE;
}
status = msDrawRasterIterateTileIndex(layer, tlp, &tshp,
tileitemindex, -1,
szTilename, sizeof(szTilename),
tilesrsname, sizeof(tilesrsname));
if( status == MS_FAILURE || status == MS_DONE ) {
if( status == MS_DONE )
{
if (layer->debug)
msDebug("No raster matching filter.\n");
}
msDrawRasterCleanupTileLayer(tlp, tilelayerindex);
return MS_FAILURE;
}
msDrawRasterCleanupTileLayer(tlp, tilelayerindex);
msDrawRasterBuildRasterPath(layer->map, layer, szTilename, szPath);
decrypted_path = msStrdup(szPath);
/* Cancel the time filter that might have been set on ours in case of */
/* a inline tileindex */
msFreeExpression(&layer->filter);
msInitExpression(&layer->filter);
}
else
{
msTryBuildPath3(szPath, layer->map->mappath, layer->map->shapepath, layer->data);
decrypted_path = msDecryptStringTokens(layer->map, szPath);
}
GDALAllRegister();
/* Open the original Dataset */
msAcquireLock(TLOCK_GDAL);
if (decrypted_path) {
clinfo->hOrigDS = GDALOpen(decrypted_path, GA_ReadOnly);
msFree(decrypted_path);
} else
clinfo->hOrigDS = NULL;
msReleaseLock(TLOCK_GDAL);
if (clinfo->hOrigDS == NULL) {
msSetError(MS_IMGERR,
"Unable to open GDAL dataset.",
"msContourLayerOpen()");
return MS_FAILURE;
}
/* Open the raster source */
if (msContourLayerReadRaster(layer, layer->map->extent) != MS_SUCCESS)
return MS_FAILURE;
/* Generate Contour Dataset */
if (msContourLayerGenerateContour(layer) != MS_SUCCESS)
return MS_FAILURE;
if (clinfo->hDS) {
GDALClose(clinfo->hDS);
clinfo->hDS = NULL;
free(clinfo->buffer);
}
/* Open our virtual ogr layer */
if (clinfo->hOGRDS && (msLayerOpen(&clinfo->ogrLayer) != MS_SUCCESS))
return MS_FAILURE;
return MS_SUCCESS;
}
void msConnPoolRegister( layerObj *layer,
void *conn_handle,
void (*close_func)( void * ) )
{
const char *close_connection = NULL;
connectionObj *conn = NULL;
if( layer->debug )
msDebug( "msConnPoolRegister(%s,%s,%p)\n",
layer->name, layer->connection, conn_handle );
/* -------------------------------------------------------------------- */
/* We can't meaningful keep a connection with no connection or */
/* connection type string on the layer. */
/* -------------------------------------------------------------------- */
if( layer->connection == NULL ) {
if( layer->tileindex != NULL
&& layer->connectiontype == MS_OGR ) {
/* this is ok, no need to make a fuss */
} else {
msDebug( "%s: Missing CONNECTION on layer %s.\n",
"msConnPoolRegister()",
layer->name );
msSetError( MS_MISCERR,
"Missing CONNECTION on layer %s.",
"msConnPoolRegister()",
layer->name );
}
return;
}
/* -------------------------------------------------------------------- */
/* Grow the array of connection information objects if needed. */
/* -------------------------------------------------------------------- */
msAcquireLock( TLOCK_POOL );
if( connectionCount == connectionMax ) {
connectionMax += 10;
connections = (connectionObj *)
realloc(connections,
sizeof(connectionObj) * connectionMax );
if( connections == NULL ) {
msSetError(MS_MEMERR, NULL, "msConnPoolRegister()");
msReleaseLock( TLOCK_POOL );
return;
}
}
/* -------------------------------------------------------------------- */
/* Set the new connection information. */
/* -------------------------------------------------------------------- */
conn = connections + connectionCount;
connectionCount++;
conn->connectiontype = layer->connectiontype;
conn->connection = msStrdup( layer->connection );
conn->close = close_func;
conn->ref_count = 1;
conn->thread_id = msGetThreadId();
conn->last_used = time(NULL);
conn->conn_handle = conn_handle;
conn->debug = layer->debug;
/* -------------------------------------------------------------------- */
/* Categorize the connection handling information. */
/* -------------------------------------------------------------------- */
close_connection =
msLayerGetProcessingKey( layer, "CLOSE_CONNECTION" );
if( close_connection == NULL )
close_connection = "NORMAL";
if( strcasecmp(close_connection,"NORMAL") == 0 )
conn->lifespan = MS_LIFE_ZEROREF;
else if( strcasecmp(close_connection,"DEFER") == 0 )
conn->lifespan = MS_LIFE_FOREVER;
else if( strcasecmp(close_connection,"ALWAYS") == 0 )
conn->lifespan = MS_LIFE_SINGLE;
else {
msDebug("msConnPoolRegister(): "
"Unrecognised CLOSE_CONNECTION value '%s'\n",
close_connection );
msSetError( MS_MISCERR, "Unrecognised CLOSE_CONNECTION value '%s'",
"msConnPoolRegister()",
close_connection );
conn->lifespan = MS_LIFE_ZEROREF;
}
msReleaseLock( TLOCK_POOL );
}
