int main(int argc, char *argv[])
{
int i,j,k;
mapObj *map=NULL;
imageObj *image = NULL;
char **layers=NULL;
int num_layers=0;
int layer_found=0;
char *outfile=NULL; /* no -o sends image to STDOUT */
int iterations = 1;
int draws = 0;
for(i=1;i<argc;i++) {
if (strcmp(argv[i],"-c") == 0) { /* user specified number of draws */
iterations = atoi(argv[i+1]);
printf("We will draw %d times...\n", iterations);
continue;
}
if(strcmp(argv[i], "-all_debug") == 0 && i < argc-1 ) /* global debug */
{
int debug_level = atoi(argv[++i]);
msSetGlobalDebugLevel(debug_level);
/* Send output to stderr by default */
if (msGetErrorFile() == NULL)
msSetErrorFile("stderr", NULL);
continue;
}
}
for(draws=0; draws<iterations; draws++) {
struct mstimeval requeststarttime, requestendtime;
if(msGetGlobalDebugLevel() >= MS_DEBUGLEVEL_TUNING)
msGettimeofday(&requeststarttime, NULL);
if(argc > 1 && strcmp(argv[1], "-v") == 0) {
printf("%s\n", msGetVersion());
exit(0);
}
/* ---- check the number of arguments, return syntax if not correct ---- */
if( argc < 3 ) {
fprintf(stdout, "\nPurpose: convert a mapfile to an image\n\n");
fprintf(stdout,
"Syntax: shp2img -m mapfile [-o image] [-e minx miny maxx maxy] [-s sizex sizey]\n"
" [-l \"layer1 [layers2...]\"] [-i format]\n"
" [-all_debug n] [-map_debug n] [-layer_debug n] [-p n] [-c n] [-d layername datavalue]\n");
fprintf(stdout," -m mapfile: Map file to operate on - required\n" );
fprintf(stdout," -i format: Override the IMAGETYPE value to pick output format\n" );
fprintf(stdout," -o image: output filename (stdout if not provided)\n");
fprintf(stdout," -e minx miny maxx maxy: extents to render\n");
fprintf(stdout," -s sizex sizey: output image size\n");
fprintf(stdout," -l layers: layers / groups to enable - make sure they are quoted and space seperated if more than one listed\n" );
fprintf(stdout," -all_debug n: Set debug level for map and all layers\n" );
fprintf(stdout," -map_debug n: Set map debug level\n" );
fprintf(stdout," -layer_debug layer_name n: Set layer debug level\n" );
fprintf(stdout," -c n: draw map n number of times\n" );
fprintf(stdout," -p n: pause for n seconds after reading the map\n" );
fprintf(stdout," -d layername datavalue: change DATA value for layer\n" );
exit(0);
}
if ( msSetup() != MS_SUCCESS )
{
msWriteError(stderr);
exit(1);
}
/* Use MS_ERRORFILE and MS_DEBUGLEVEL env vars if set */
if ( msDebugInitFromEnv() != MS_SUCCESS )
{
msWriteError(stderr);
msCleanup(0);
exit(1);
}
for(i=1;i<argc;i++) { /* Step though the user arguments, 1st to find map file */
if(strcmp(argv[i],"-m") == 0) {
map = msLoadMap(argv[i+1], NULL);
if(!map) {
msWriteError(stderr);
msCleanup(0);
exit(1);
}
msApplyDefaultSubstitutions(map);
}
}
if(!map) {
fprintf(stderr, "Mapfile (-m) option not specified.\n");
msCleanup(0);
exit(1);
}
for(i=1;i<argc;i++) { /* Step though the user arguments */
if(strcmp(argv[i],"-m") == 0) { /* skip it */
i+=1;
}
if(strcmp(argv[i],"-p") == 0) {
int pause_length = atoi(argv[i+1]);
time_t start_time = time(NULL);
printf( "Start pause of %d seconds.\n", pause_length );
while( time(NULL) < start_time + pause_length ) {}
printf( "Done pause.\n" );
i+=1;
}
if(strcmp(argv[i],"-o") == 0) { /* load the output image filename */
outfile = argv[i+1];
i+=1;
}
if(strcmp(argv[i],"-i") == 0) {
outputFormatObj *format;
format = msSelectOutputFormat( map, argv[i+1] );
if( format == NULL )
printf( "No such OUTPUTFORMAT as %s.\n", argv[i+1] );
else
{
msFree( (char *) map->imagetype );
map->imagetype = msStrdup( argv[i+1] );
msApplyOutputFormat( &(map->outputformat), format,
map->transparent, map->interlace,
map->imagequality );
}
i+=1;
}
if(strcmp(argv[i],"-d") == 0) { /* swap layer data */
for(j=0; j<map->numlayers; j++) {
if(strcmp(GET_LAYER(map, j)->name, argv[i+1]) == 0) {
free(GET_LAYER(map, j)->data);
GET_LAYER(map, j)->data = msStrdup(argv[i+2]);
break;
}
}
i+=2;
}
if(strcmp(argv[i], "-all_debug") == 0 && i < argc-1 ) /* global debug */
{
int debug_level = atoi(argv[++i]);
/* msSetGlobalDebugLevel() already called. Just need to force debug
* level in map and all layers
*/
map->debug = debug_level;
for(j=0; j<map->numlayers; j++) {
GET_LAYER(map, j)->debug = debug_level;
}
}
if(strcmp(argv[i], "-map_debug") == 0 && i < argc-1 ) /* debug */
{
map->debug = atoi(argv[++i]);
/* Send output to stderr by default */
if (msGetErrorFile() == NULL)
msSetErrorFile("stderr", NULL);
}
if(strcmp(argv[i], "-layer_debug") == 0 && i < argc-1 ) /* debug */
{
const char *layer_name = argv[++i];
int debug_level = atoi(argv[++i]);
int got_layer = 0;
for(j=0; j<map->numlayers; j++) {
if(strcmp(GET_LAYER(map, j)->name,layer_name) == 0 ) {
GET_LAYER(map, j)->debug = debug_level;
got_layer = 1;
}
}
if( !got_layer )
fprintf( stderr,
" Did not find layer '%s' from -layer_debug switch.\n",
layer_name );
/* Send output to stderr by default */
if (msGetErrorFile() == NULL)
msSetErrorFile("stderr", NULL);
}
if(strcmp(argv[i],"-e") == 0) { /* change extent */
if( argc <= i+4 ) {
fprintf( stderr,
"Argument -e needs 4 space separated numbers as argument.\n" );
msCleanup(0);
exit(1);
}
map->extent.minx = atof(argv[i+1]);
map->extent.miny = atof(argv[i+2]);
map->extent.maxx = atof(argv[i+3]);
map->extent.maxy = atof(argv[i+4]);
i+=4;
}
if (strcmp(argv[i], "-s") == 0) {
msMapSetSize(map, atoi(argv[i+1]), atoi(argv[i+2]));
i+=2;
}
if(strcmp(argv[i],"-l") == 0) { /* load layer list */
layers = msStringSplit(argv[i+1], ' ', &(num_layers));
for(j=0; j<num_layers; j++) { /* loop over -l */
layer_found=0;
for(k=0; k<map->numlayers; k++) {
if((GET_LAYER(map, k)->name && strcasecmp(GET_LAYER(map, k)->name, layers[j]) == 0) || (GET_LAYER(map, k)->group && strcasecmp(GET_LAYER(map, k)->group, layers[j]) == 0)) {
layer_found = 1;
break;
}
}
if (layer_found==0) {
fprintf(stderr, "Layer (-l) \"%s\" not found\n", layers[j]);
msCleanup(0);
exit(1);
}
}
for(j=0; j<map->numlayers; j++) {
if(GET_LAYER(map, j)->status == MS_DEFAULT)
continue;
else {
GET_LAYER(map, j)->status = MS_OFF;
for(k=0; k<num_layers; k++) {
if((GET_LAYER(map, j)->name && strcasecmp(GET_LAYER(map, j)->name, layers[k]) == 0) ||
(GET_LAYER(map, j)->group && strcasecmp(GET_LAYER(map, j)->group, layers[k]) == 0)) {
GET_LAYER(map, j)->status = MS_ON;
break;
}
}
}
}
msFreeCharArray(layers, num_layers);
i+=1;
}
}
image = msDrawMap(map, MS_FALSE);
if(!image) {
msWriteError(stderr);
msFreeMap(map);
msCleanup(0);
exit(1);
}
if( msSaveImage(map, image, outfile) != MS_SUCCESS ) {
msWriteError(stderr);
}
msFreeImage(image);
msFreeMap(map);
if(msGetGlobalDebugLevel() >= MS_DEBUGLEVEL_TUNING) {
msGettimeofday(&requestendtime, NULL);
msDebug("shp2img total time: %.3fs\n",
(requestendtime.tv_sec+requestendtime.tv_usec/1.0e6)-
(requeststarttime.tv_sec+requeststarttime.tv_usec/1.0e6) );
}
msCleanup(0);
} /* for(draws=0; draws<iterations; draws++) { */
return(0);
} /* ---- END Main Routine ---- */
/**
* @details This is called by `MapservAsync` and runs in a different thread to
* that function. It performs the actual work of interacting with
* mapserver. The code is based on the logic found in the `mapserv` program but
* the output is instead buffered using the mapserver output buffering
* functionality: it can then be captured and passed back to the client.
*
* @param req The asynchronous libuv request.
*/
void Map::MapservWork(uv_work_t *req) {
/* No HandleScope! This is run in a separate thread: *No* contact
should be made with the Node/V8 world here. */
MapBaton *baton = static_cast<MapBaton*>(req->data);
mapservObj* mapserv = NULL;
bool reportError = false; // flag an error as worthy of reporting
if (msDebugInitFromEnv() != MS_SUCCESS) {
reportError = true;
goto handle_error;
}
mapserv = msAllocMapServObj();
msIO_installStdinFromBuffer(); // required to catch POSTS without data
msIO_installStdoutToBuffer(); // required to capture mapserver output
// load the CGI parameters from the environment object
mapserv->request->NumParams = wrap_loadParams(mapserv->request,
GetEnv,
const_cast<char *>(baton->body.c_str()),
baton->body.length(),
static_cast<void *>(&(baton->env)));
if( mapserv->request->NumParams == -1 ) {
// no errors are generated by default but messages are output instead
msSetError( MS_MISCERR, "No request parameters loaded",
"Map::MapservWork" );
reportError = true;
goto get_output;
}
// Copy the map into the mapservObj for this request
if(!LoadMap(mapserv, baton->map)) {
reportError = true;
goto get_output;
}
// Execute the request
if(msCGIDispatchRequest(mapserv) != MS_SUCCESS) {
reportError = true;
goto get_output;
}
get_output:
// Get the content type. If headers other than content-type need to be
// retrieved it may be best to use something along the lines of
// <https://github.com/joyent/http-parser>.
baton->content_type = msIO_stripStdoutBufferContentType();
msIO_stripStdoutBufferContentHeaders();
// Get the buffered output
baton->buffer = msIO_getStdoutBufferBytes();
handle_error:
// handle any unhandled errors
errorObj *error = msGetErrorObj();
if (error && error->code != MS_NOERR) {
// report the error if requested
if (reportError) {
baton->error = new MapserverError(error);
}
msResetErrorList(); // clear all handled errors
}
// clean up
msFreeMapServObj(mapserv);
msIO_resetHandlers();
msDebugCleanup();
return;
}
int main(int argc, char *argv[]) {
int iArg;
int sendheaders = MS_TRUE;
struct mstimeval execstarttime, execendtime;
struct mstimeval requeststarttime, requestendtime;
mapservObj* mapserv = NULL;
exitSignal = 0;
msSetup();
/* Use MS_ERRORFILE and MS_DEBUGLEVEL env vars if set */
if( msDebugInitFromEnv() != MS_SUCCESS ) {
msCGIWriteError(mapserv);
msCleanup();
exit(0);
}
if(msGetGlobalDebugLevel() >= MS_DEBUGLEVEL_TUNING)
msGettimeofday(&execstarttime, NULL);
/* -------------------------------------------------------------------- */
/* Process arguments. In normal use as a cgi-bin there are no */
/* commandline switches, but we provide a few for test/debug */
/* purposes, and to query the version info. */
/* -------------------------------------------------------------------- */
for( iArg = 1; iArg < argc; iArg++ ) {
/* Keep only "-v", "-nh" and "QUERY_STRING=..." enabled by default.
* The others will require an explicit -DMS_ENABLE_CGI_CL_DEBUG_ARGS
* at compile time.
*/
if( strcmp(argv[iArg],"-v") == 0 ) {
printf("%s\n", msGetVersion());
fflush(stdout);
exit(0);
} else if(strcmp(argv[iArg], "-nh") == 0) {
sendheaders = MS_FALSE;
} else if( strncmp(argv[iArg], "QUERY_STRING=", 13) == 0 ) {
/* Debugging hook... pass "QUERY_STRING=..." on the command-line */
putenv( "REQUEST_METHOD=GET" );
putenv( argv[iArg] );
}
#ifdef MS_ENABLE_CGI_CL_DEBUG_ARGS
else if( iArg < argc-1 && strcmp(argv[iArg], "-tmpbase") == 0) {
msForceTmpFileBase( argv[++iArg] );
} else if( iArg < argc-1 && strcmp(argv[iArg], "-t") == 0) {
char **tokens;
int numtokens=0;
if((tokens=msTokenizeMap(argv[iArg+1], &numtokens)) != NULL) {
int i;
for(i=0; i<numtokens; i++)
printf("%s\n", tokens[i]);
msFreeCharArray(tokens, numtokens);
} else {
msCGIWriteError(mapserv);
}
exit(0);
} else if( strncmp(argv[iArg], "MS_ERRORFILE=", 13) == 0 ) {
msSetErrorFile( argv[iArg] + 13, NULL );
} else if( strncmp(argv[iArg], "MS_DEBUGLEVEL=", 14) == 0) {
msSetGlobalDebugLevel( atoi(argv[iArg] + 14) );
}
#endif /* MS_ENABLE_CGI_CL_DEBUG_ARGS */
else {
/* we don't produce a usage message as some web servers pass junk arguments */
}
}
/* -------------------------------------------------------------------- */
/* Setup cleanup magic, mainly for FastCGI case. */
/* -------------------------------------------------------------------- */
#ifndef WIN32
signal( SIGUSR1, msCleanupOnSignal );
signal( SIGTERM, msCleanupOnSignal );
#endif
#ifdef USE_FASTCGI
msIO_installFastCGIRedirect();
#ifdef WIN32
atexit( msCleanupOnExit );
#endif
/* In FastCGI case we loop accepting multiple requests. In normal CGI */
/* use we only accept and process one request. */
while( !exitSignal && FCGI_Accept() >= 0 ) {
#endif /* def USE_FASTCGI */
/* -------------------------------------------------------------------- */
/* Process a request. */
/* -------------------------------------------------------------------- */
mapserv = msAllocMapServObj();
mapserv->sendheaders = sendheaders; /* override the default if necessary (via command line -nh switch) */
mapserv->request->NumParams = loadParams(mapserv->request, NULL, NULL, 0, NULL);
if( mapserv->request->NumParams == -1 ) {
msCGIWriteError(mapserv);
goto end_request;
}
mapserv->map = msCGILoadMap(mapserv);
if(!mapserv->map) {
msCGIWriteError(mapserv);
goto end_request;
}
if( mapserv->map->debug >= MS_DEBUGLEVEL_TUNING)
msGettimeofday(&requeststarttime, NULL);
#ifdef USE_FASTCGI
if( mapserv->map->debug ) {
static int nRequestCounter = 1;
msDebug( "CGI Request %d on process %d\n", nRequestCounter, getpid() );
nRequestCounter++;
}
#endif
if(msCGIDispatchRequest(mapserv) != MS_SUCCESS) {
msCGIWriteError(mapserv);
goto end_request;
}
end_request:
if(mapserv) {
if(mapserv->map && mapserv->map->debug >= MS_DEBUGLEVEL_TUNING) {
msGettimeofday(&requestendtime, NULL);
msDebug("mapserv request processing time (msLoadMap not incl.): %.3fs\n",
(requestendtime.tv_sec+requestendtime.tv_usec/1.0e6)-
(requeststarttime.tv_sec+requeststarttime.tv_usec/1.0e6) );
}
msCGIWriteLog(mapserv,MS_FALSE);
msFreeMapServObj(mapserv);
}
#ifdef USE_FASTCGI
/* FCGI_ --- return to top of loop */
msResetErrorList();
continue;
} /* end fastcgi loop */
#endif
/* normal case, processing is complete */
if(msGetGlobalDebugLevel() >= MS_DEBUGLEVEL_TUNING) {
msGettimeofday(&execendtime, NULL);
msDebug("mapserv total execution time: %.3fs\n",
(execendtime.tv_sec+execendtime.tv_usec/1.0e6)-
(execstarttime.tv_sec+execstarttime.tv_usec/1.0e6) );
}
msCleanup();
exit( 0 );
}