Joris Vink 2c88bc6120 Add asynchronous libcurl support.
This commit adds the CURL=1 build option. When enabled allows
you to schedule CURL easy handles onto the Kore event loop.

It also adds an easy to use HTTP client API that abstracts away the
settings required from libcurl to make HTTP requests.

Tied together with HTTP request state machines this means you can
write fully asynchronous HTTP client requests in an easy way.

Additionally this exposes that API to the Python code as well
allowing you do to things like:

	client = kore.httpclient("https://kore.io")
	status, body = await client.get()

Introduces 2 configuration options:
	- curl_recv_max
		Max incoming bytes for a response.

	- curl_timeout
		Timeout in seconds before a transfer is cancelled.

This API also allows you to take the CURL easy handle and send emails
with it, run FTP, etc. All asynchronously.
2019-04-24 00:15:17 +02:00

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# python-async build config
# You can switch flavors using: kodev flavor [newflavor]
# Set to yes if you wish to produce a single binary instead
# of a dynamic library. If you set this to yes you must also
# set kore_source together with kore_flavor.
single_binary=yes
kore_source=../../
kore_flavor=PYTHON=1 CURL=1 NOTLS=1
# The flags below are shared between flavors
cflags=-Wall -Wmissing-declarations -Wshadow
cflags=-Wstrict-prototypes -Wmissing-prototypes
cflags=-Wpointer-arith -Wcast-qual -Wsign-compare
cxxflags=-Wall -Wmissing-declarations -Wshadow
cxxflags=-Wpointer-arith -Wcast-qual -Wsign-compare
# Mime types for assets served via the builtin asset_serve_*
#mime_add=txt:text/plain; charset=utf-8
#mime_add=png:image/png
#mime_add=html:text/html; charset=utf-8
dev {
# These flags are added to the shared ones when
# you build the "dev" flavor.
cflags=-g
cxxflags=-g
}
#prod {
# You can specify additional flags here which are only
# included if you build with the "prod" flavor.
#}