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-- Meta line: 20 text/gemini; charset=utf-8; lang=en
This is the tenth in a planned series of posts (well, eleventh if you count the announcement) where I'll share my experience writing smolver, my Gemini server software, written in Swift.
You can find the previous iterations below.
CGI support
Fix inability to serve (or now, execute) files unless they have a file extension
Fix incorrect query parameter detection, which was causing some query-parameterized requests for robots.txt to fail
Scripts have no execution time limit.
CGI requests which contain a URL path after the executable name will not resolve, and a `51` (not found) will be returned. Consequently, the PATH_INFO environment variable passed in to CGI scripts will always be empty. As a workaround, stick to query parameters for now. The CGI subsystem is capable of detecting script requests with paths, but the file routing logic that sits on top of it will bail out before ever even attempting the CGI code in this scenario.
Scripts can only return data of the following mime types:
text/gemini
text/markdown
text/plain
text/x-python
Overall, this feature required significant code changes, yet still was much simpler and less stressful than the client certificate implementation.
Running cloc on smolver production code v1.1.0 returns:
cloc Sources
13 text files.
13 unique files.
0 files ignored.
github.com/AlDanial/cloc v 1.86 T=0.12 s (111.6 files/s, 17625.0 lines/s)
-------------------------------------------------------------------------------
Language files blank comment code
-------------------------------------------------------------------------------
Swift 13 267 365 1422
-------------------------------------------------------------------------------
SUM: 13 267 365 1422
-------------------------------------------------------------------------------
Running cloc on smolver production code v1.2.0 returns:
cloc Sources
24 text files.
24 unique files.
0 files ignored.
github.com/AlDanial/cloc v 1.86 T=0.14 s (166.3 files/s, 20404.8 lines/s)
-------------------------------------------------------------------------------
Language files blank comment code
-------------------------------------------------------------------------------
Swift 24 374 632 1939
-------------------------------------------------------------------------------
SUM: 24 374 632 1939
-------------------------------------------------------------------------------
These numbers do not include smolver's dependencies nor unit tests.
Running cloc on smolver test code v1.1.0 returns:
cloc Tests
1 text file.
1 unique file.
0 files ignored.
github.com/AlDanial/cloc v 1.86 T=0.09 s (11.3 files/s, 19733.6 lines/s)
-------------------------------------------------------------------------------
Language files blank comment code
-------------------------------------------------------------------------------
Swift 1 247 122 1376
-------------------------------------------------------------------------------
Running cloc on smolver test code v1.2.0 returns:
cloc Tests
16 text files.
16 unique files.
0 files ignored.
github.com/AlDanial/cloc v 1.86 T=0.18 s (87.5 files/s, 25757.9 lines/s)
-------------------------------------------------------------------------------
Language files blank comment code
-------------------------------------------------------------------------------
Swift 11 706 442 3490
Bourne Shell 4 9 0 34
Python 1 7 0 23
-------------------------------------------------------------------------------
SUM: 16 722 442 3547
-------------------------------------------------------------------------------
Since SocketServer, a dependency, required some changes as well, I'll also include line changes for it.
Running cloc on SocketServer production code v0.0.18 returns:
cloc Sources
7 text files.
7 unique files.
0 files ignored.
github.com/AlDanial/cloc v 1.86 T=0.07 s (102.4 files/s, 10138.4 lines/s)
-------------------------------------------------------------------------------
Language files blank comment code
-------------------------------------------------------------------------------
Swift 4 87 116 436
XML 1 0 0 24
C/C++ Header 1 6 18 3
YAML 1 0 0 3
-------------------------------------------------------------------------------
SUM: 7 93 134 466
-------------------------------------------------------------------------------
Running cloc on SocketServer production code v0.0.19 returns:
cloc Sources
7 text files.
7 unique files.
0 files ignored.
github.com/AlDanial/cloc v 1.86 T=0.07 s (106.4 files/s, 11778.8 lines/s)
-------------------------------------------------------------------------------
Language files blank comment code
-------------------------------------------------------------------------------
Swift 4 100 136 485
XML 1 0 0 24
C/C++ Header 1 6 18 3
YAML 1 0 0 3
-------------------------------------------------------------------------------
SUM: 7 106 154 515
-------------------------------------------------------------------------------
These numbers do not include SocketServer's dependencies, including but not limited to BlueSSLService.
That is a net change of 517 lines to smolver production code, 2171 lines to smolver unit tests, and 49 lines to SocketServer, for a total increase of 2737 lines. Incidentally, this means this feature added almost as many lines of code as already existed in the previous version.
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