BBOX map server

Asynchronous map server with FCGI backend.

Features:

• OGC WMS 1.3 Server
• OGC Map API Server
• FCGI backends:
  • QGIS Server
  • UNN Mapserver
• Instrumentation data for WMS backends
• Intelligent process dispatching (slow query detection)

Configuration

Map server settings:

[mapserver]
# num_fcgi_processes = 4     # Default: number of CPU cores
# wait_timeout = 30000       # FCGI wait timeout in ms. Default: 90s
# search_projects = false    # Scan directories and build inventory

QGIS Server settings:

[mapserver.qgis_backend]
project_basedir = "assets"   # Base dir for project files (.qgs, .qgz)
qgs.path = "/qgis"           # WMS URL base path
qgz.path = "/qgz"            # WMS URL base path

UMN MapServer settings:

[mapserver.umn_backend]
project_basedir = "assets"   # Base dir for project files (.map)
path = "/wms/map"            # WMS URL base path

Usage

cd ..
cargo run

Configuration:

• BBOX_MAPSERVER__NUM_FCGI_PROCESSES: Number of FCGI processes (default: number of CPU cores)

WMS request examples:

curl -s 'http://127.0.0.1:8080/qgis/ne?SERVICE=WMS&REQUEST=GetCapabilities'

curl -o /tmp/map.png 'http://127.0.0.1:8080/qgis/ne?SERVICE=WMS&VERSION=1.3.0&REQUEST=GetMap&BBOX=-20037508.34278924391,-5966981.031407224014,19750246.20310878009,17477263.06060761213&CRS=EPSG:900913&WIDTH=1399&HEIGHT=824&LAYERS=country&STYLES=&FORMAT=image/png;%20mode%3D8bit'

curl -o /tmp/legend.png 'http://127.0.0.1:8080/qgis/ne?SERVICE=WMS&VERSION=1.3.0&REQUEST=GetLegendGraphic&LAYER=country&FORMAT=image/png&STYLE=default&TRANSPARENT=true'

curl -s 'http://127.0.0.1:8080/qgis/helloworld?SERVICE=WMS&REQUEST=GetProjectSettings'

curl -o /tmp/print.pdf 'http://127.0.0.1:8080/qgis/helloworld' -X POST \
     -d 'SERVICE=WMS&VERSION=1.3.0&REQUEST=GetPrint&FORMAT=pdf' \
     -d 'TEMPLATE=Composer 1&DPI=300&CRS=EPSG:4326' \
     -d 'map0:LAYERS=Country,Hello&map0:extent=-92.8913,-185.227,121.09,191.872'

UMN Mapserver:

curl -s 'http://127.0.0.1:8080/wms/map/ne?SERVICE=WMS&REQUEST=GetCapabilities'

curl -o /tmp/map.png 'http://127.0.0.1:8080/wms/map/ne?SERVICE=WMS&VERSION=1.3.0&REQUEST=GetMap&BBOX=40.83354209954528358,0.542981257600549938,49.84069885574058389,15.5221558872974672&CRS=epsg:4326&WIDTH=1372&HEIGHT=825&LAYERS=country&STYLES=&FORMAT=image%2Fpng%3B%20mode%3D8bit'

WFS request examples:

curl -s 'http://127.0.0.1:8080/qgis/ne?SERVICE=WFS&REQUEST=GetCapabilities'

curl -s 'http://127.0.0.1:8080/qgis/ne?SERVICE=WFS&REQUEST=GetFeature&VERSION=1.1.0&TYPENAME=country&SRSNAME=EPSG:3857&BBOX=1059483.34824404888786376,5959680.16110791172832251,1061700.73825845750980079,5962445.67000228632241488,EPSG:3857'

curl -s --data @wfsadd.xml 'http://127.0.0.1:8080/qgis/ne?SERVICE=WFS&REQUEST=Transaction'

Development

Documentation of main libriaries:

• Actix: https://actix.rs/
• Async Process: https://docs.rs/async-process/
• QGIS Server plugins: https://docs.qgis.org/3.28/en/docs/server_manual/plugins.html

Fast CGI:

• Fast CGI: https://fastcgi-archives.github.io/FastCGI_Specification.html
• CGI: https://tools.ietf.org/html/rfc3875