{"id":68,"date":"2026-05-14T11:30:48","date_gmt":"2026-05-14T11:30:48","guid":{"rendered":"https:\/\/latinai.de\/?page_id=68"},"modified":"2026-05-14T11:30:48","modified_gmt":"2026-05-14T11:30:48","slug":"felicitas","status":"publish","type":"page","link":"https:\/\/latinai.de\/?page_id=68","title":{"rendered":"Felicitas"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Felicitas is a WebSocket\u2011based real\u2011time communication framework for Python.<br>It provides file distribution, message routing, multi\u2011client synchronization, and a set of reliability and monitoring features designed for distributed systems.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Installation<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>pip install felicitas<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">Source Code and Documentation<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Source<\/strong>: <a href=\"https:\/\/git.latinai.de\/latin-ai-software\/felicitas\/\">https:\/\/git.latinai.de\/latin-ai-software\/felicitas\/<\/a><\/li>\n\n\n\n<li><strong>Wiki<\/strong>: <a href=\"https:\/\/git.latinai.de\/latin-ai-software\/felicitas\/-\/wikis\/home\">https:\/\/git.latinai.de\/latin-ai-software\/felicitas\/-\/wikis\/home<\/a><\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Current Features in Version 0.1.0.2<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Below is the complete list of features that are implemented and functional in this release.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">1. WebSocket Communication<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Asynchronous WebSocket server and client<\/li>\n\n\n\n<li>Full duplex communication<\/li>\n\n\n\n<li>Broadcast, direct messaging, and group\u2011based routing<\/li>\n\n\n\n<li>Heartbeat and keepalive mechanisms<\/li>\n\n\n\n<li>Automatic reconnection with backoff<\/li>\n\n\n\n<li>Connection state tracking<\/li>\n\n\n\n<li>Graceful shutdown handling<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">2. File Transfer and Synchronization<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Chunked file transfer (supports large files)<\/li>\n\n\n\n<li>SHA256\u2011based deduplication<\/li>\n\n\n\n<li>Delta synchronization (only changed file segments are transmitted)<\/li>\n\n\n\n<li>File versioning<\/li>\n\n\n\n<li>Recursive directory transfer<\/li>\n\n\n\n<li>File filtering (extension, size, pattern)<\/li>\n\n\n\n<li>Automatic organization of received files<\/li>\n\n\n\n<li>TTL\u2011based cleanup of old files<\/li>\n\n\n\n<li>Per\u2011client storage quotas<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">3. Messaging System<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Persistent message queue (SQLite backend)<\/li>\n\n\n\n<li>ACK\/NACK support<\/li>\n\n\n\n<li>Offline buffering and replay<\/li>\n\n\n\n<li>Message TTL<\/li>\n\n\n\n<li>Topic\u2011based publish\/subscribe<\/li>\n\n\n\n<li>Wildcard topic subscriptions<\/li>\n\n\n\n<li>Topic\u2011level access control<\/li>\n\n\n\n<li>RPC\u2011style request\/response with timeouts<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">4. Security<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>API key authentication<\/li>\n\n\n\n<li>JWT authentication<\/li>\n\n\n\n<li>Role\u2011based access control (RBAC)<\/li>\n\n\n\n<li>TLS (wss:\/\/) support<\/li>\n\n\n\n<li>AES\u2011256 file encryption<\/li>\n\n\n\n<li>Per\u2011file encryption keys<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">5. Client Management<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Client identity and metadata<\/li>\n\n\n\n<li>Online\/offline presence tracking<\/li>\n\n\n\n<li>Client capability advertisement<\/li>\n\n\n\n<li>Connection state management<\/li>\n\n\n\n<li>Load\u2011aware reconnection and pooling<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">6. Monitoring and Logging<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Structured JSON logging<\/li>\n\n\n\n<li>Debug tracing mode<\/li>\n\n\n\n<li>Connection lifecycle logging<\/li>\n\n\n\n<li>File transfer progress logging<\/li>\n\n\n\n<li>Metrics for:<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Message throughput<\/li>\n\n\n\n<li>File transfer speed<\/li>\n\n\n\n<li>Connection duration<\/li>\n\n\n\n<li>CPU and memory usage<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">7. Scalability and Persistence<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Multi\u2011server clustering<\/li>\n\n\n\n<li>Client load distribution<\/li>\n\n\n\n<li>Failover support<\/li>\n\n\n\n<li>Session migration<\/li>\n\n\n\n<li>SQLite\u2011based persistent state<\/li>\n\n\n\n<li>Message history storage<\/li>\n\n\n\n<li>Client connection history<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">8. Integrations and Tools<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>FastAPI integration<\/li>\n\n\n\n<li>Flask integration<\/li>\n\n\n\n<li>Django integration<\/li>\n\n\n\n<li>REST API for server control<\/li>\n\n\n\n<li>Auto\u2011generated OpenAPI\/Swagger documentation<\/li>\n\n\n\n<li>Interactive API explorer<\/li>\n\n\n\n<li>Command\u2011line tools for:<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Server management<\/li>\n\n\n\n<li>File upload\/download<\/li>\n\n\n\n<li>Diagnostics<\/li>\n\n\n\n<li>Client testing<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">9. Benchmarking<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Built\u2011in performance benchmark suite<\/li>\n\n\n\n<li>Throughput and latency tests<\/li>\n\n\n\n<li>File transfer benchmarks<\/li>\n\n\n\n<li>CPU and memory usage analysis<\/li>\n\n\n\n<li>Comparison with Raw WebSockets and Socket.IO<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Performance diagrams Diagrams<\/p>\n\n\n\n<details class=\"wp-block-details is-layout-flow wp-block-details-is-layout-flow\"><summary>Performance (i7-7700, hosted under localhost)<\/summary>\n<figure class=\"wp-block-image\"><img decoding=\"async\" fetchpriority=\"low\" src=\"https:\/\/latinai.ch\/wp-content\/uploads\/2026\/05\/image.png\" alt=\"\" class=\"wp-image-103\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" fetchpriority=\"low\" src=\"https:\/\/latinai.ch\/wp-content\/uploads\/2026\/05\/image-1.png\" alt=\"\" class=\"wp-image-104\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" fetchpriority=\"low\" src=\"https:\/\/latinai.ch\/wp-content\/uploads\/2026\/05\/image-2.png\" alt=\"\" class=\"wp-image-105\"\/><\/figure>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" fetchpriority=\"low\" src=\"https:\/\/latinai.ch\/wp-content\/uploads\/2026\/05\/image-3.png\" alt=\"\" class=\"wp-image-106\"\/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n<\/details>\n\n\n\n<p class=\"wp-block-paragraph\">Felicitas v0.1.0.2 already provides:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>A complete real\u2011time messaging system<\/li>\n\n\n\n<li>A robust file synchronization engine<\/li>\n\n\n\n<li>Strong security features<\/li>\n\n\n\n<li>Monitoring and observability tools<\/li>\n\n\n\n<li>Multi\u2011server clustering and persistence<\/li>\n\n\n\n<li>Framework integrations and CLI utilities<\/li>\n\n\n\n<li>A full benchmark suite demonstrating competitive performance<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">This makes Felicitas suitable for distributed applications requiring reliable real\u2011time communication and efficient file synchronization<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Felicitas is a WebSocket\u2011based real\u2011time communication framework for Python.It provides file distribution, message routing, multi\u2011client synchronization, and a set of reliability and monitoring features designed for distributed systems. Installation Source Code and Documentation Current Features in Version 0.1.0.2 Below is the complete list of features that are implemented and functional in this release. 1. WebSocket&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_crdt_document":"","footnotes":""},"class_list":["post-68","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/latinai.de\/index.php?rest_route=\/wp\/v2\/pages\/68","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/latinai.de\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/latinai.de\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/latinai.de\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/latinai.de\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=68"}],"version-history":[{"count":1,"href":"https:\/\/latinai.de\/index.php?rest_route=\/wp\/v2\/pages\/68\/revisions"}],"predecessor-version":[{"id":69,"href":"https:\/\/latinai.de\/index.php?rest_route=\/wp\/v2\/pages\/68\/revisions\/69"}],"wp:attachment":[{"href":"https:\/\/latinai.de\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=68"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}