https api changed?

[baswelsink]

Hi, I was trying to use https for mongoose following this guide https://mongoose.ws/documentation/tutorials/http-client/#build-with-tls-support. However the implementation seems to have changed quite a bit?

When I compile and run I get the message TLS is not enabled.

This is how I try to enable TLS, not sure if this is enough...

Could anybody help with this please? :)

[scaprile]

Since you don't say, I will assume that you are trying to build using Github HEAD.
We are transitioning our TLS API, adding new features and libs; at this very moment some things do not work with OpenSSL and our docs and examples in HEAD are out of sync. The message you post occurs when there is no TLS code in Mongoose, the way to enable TLS has also changed and by building this way you are not enabling it.
The docs are correct for 7.11 if you pick it up from the releases section and use the examples there; I suggest you start with 7.11 and later migrate to HEAD.
https://github.com/cesanta/mongoose/releases/tag/7.11
https://mongoose.ws/documentation/tutorials/tls/
Check the examples, the http-client example already does what you are trying to do:
https://github.com/cesanta/mongoose/tree/7.11/examples/http-client
https://mongoose.ws/tutorials/http-client/

If you still want to build using HEAD, check the examples and the source code, the API is still not documented as it is not stable and might change again.
https://github.com/cesanta/mongoose/tree/master/examples/http-client

mongoose/src/tls.h

Lines 3 to 11 in 8c03aa2

	#define MG_TLS_NONE 0 // No TLS support
	#define MG_TLS_MBED 1 // mbedTLS
	#define MG_TLS_OPENSSL 2 // OpenSSL
	#define MG_TLS_BUILTIN 3 // Built-in
	#define MG_TLS_CUSTOM 4 // Custom implementation
	#ifndef MG_TLS
	#define MG_TLS MG_TLS_NONE
	#endif

make clean all CFLAGS_EXTRA="-DMG_TLS=MG_TLS_OPENSSL -lssl -lcrypto"

Note: I assume you are looping when calling mg_mgr_poll(); otherwise it wouldn't work.

[baswelsink]

Hi @scaprile, thanks a lot for the quick answer! Yes indeed currently I'm using head. Will use the version you suggested, thanks!

[baswelsink]

Btw, indeed I was not using a while loop because I didn't want to continuously keep polling the same URL, so I assume from your answer also if you just want to make a one time get request you need to keep using the while loop?

[scaprile]

Check the examples, the http-client example already does what you are trying to do:
https://github.com/cesanta/mongoose/tree/7.11/examples/http-client
https://mongoose.ws/tutorials/http-client/

mongoose/examples/http-client/main.c

Lines 59 to 72 in 5c8e05a

	int main(int argc, char *argv[]) {
	const char *log_level = getenv("LOG_LEVEL"); // Allow user to set log level
	if (log_level == NULL) log_level = "4"; // Default is verbose
	struct mg_mgr mgr; // Event manager
	bool done = false; // Event handler flips it to true
	if (argc > 1) s_url = argv[1]; // Use URL provided in the command line
	mg_log_set(atoi(log_level)); // Set to 0 to disable debug
	mg_mgr_init(&mgr); // Initialise event manager
	mg_http_connect(&mgr, s_url, fn, &done); // Create client connection
	while (!done) mg_mgr_poll(&mgr, 50); // Event manager loops until 'done'
	mg_mgr_free(&mgr); // Free resources
	return 0;
	}

https://mongoose.ws/documentation/#connections-and-event-manager

[baswelsink]

Ah perfect, seems I didn't check properly. Thanks!