libwebsockets/minimal-examples-lowlevel/abstract/protocols/smtp-client/main.c

127 lines
2.7 KiB
C

/*
* lws-api-test-smtp_client
*
* Written in 2010-2019 by Andy Green <andy@warmcat.com>
*
* This file is made available under the Creative Commons CC0 1.0
* Universal Public Domain Dedication.
*/
#include <libwebsockets.h>
#include <signal.h>
static int interrupted, result = 1;
static const char *recip;
static void
sigint_handler(int sig)
{
interrupted = 1;
}
static int
done_cb(struct lws_smtp_email *email, void *buf, size_t len)
{
/* you could examine email->data here */
if (buf) {
char dotstar[96];
lws_strnncpy(dotstar, (const char *)buf, len, sizeof(dotstar));
lwsl_notice("%s: %s\n", __func__, dotstar);
} else
lwsl_notice("%s:\n", __func__);
/* destroy any allocations in email */
free((char *)email->payload);
result = 0;
interrupted = 1;
return 0;
}
int main(int argc, const char **argv)
{
int n = 1, logs = LLL_USER | LLL_ERR | LLL_WARN | LLL_NOTICE;
struct lws_context_creation_info info;
lws_smtp_sequencer_args_t ss_args;
struct lws_context *context;
lws_smtp_sequencer_t *sseq;
lws_smtp_email_t *email;
struct lws_vhost *vh;
char payload[2048];
const char *p;
/* the normal lws init */
signal(SIGINT, sigint_handler);
if ((p = lws_cmdline_option(argc, argv, "-d")))
logs = atoi(p);
p = lws_cmdline_option(argc, argv, "-r");
if (!p) {
lwsl_err("-r <recipient email> is required\n");
return 1;
}
recip = p;
lws_set_log_level(logs, NULL);
lwsl_user("LWS API selftest: SMTP client\n");
memset(&info, 0, sizeof info); /* otherwise uninitialized garbage */
info.port = CONTEXT_PORT_NO_LISTEN;
info.options = LWS_SERVER_OPTION_EXPLICIT_VHOSTS;
context = lws_create_context(&info);
if (!context) {
lwsl_err("lws init failed\n");
return 1;
}
vh = lws_create_vhost(context, &info);
if (!vh) {
lwsl_err("Failed to create first vhost\n");
goto bail1;
}
memset(&ss_args, 0, sizeof(ss_args));
ss_args.helo = "lws-abs-smtp-test";
ss_args.vhost = vh;
sseq = lws_smtp_sequencer_create(&ss_args);
if (!sseq) {
lwsl_err("%s: smtp sequencer create failed\n", __func__);
goto bail1;
}
/* attach an email to it */
n = lws_snprintf(payload, sizeof(payload),
"From: noreply@example.com\n"
"To: %s\n"
"Subject: Test email for lws smtp-client\n"
"\n"
"Hello this was an api test for lws smtp-client\n"
"\r\n.\r\n", recip);
if (lws_smtpc_add_email(sseq, payload, n, "testserver",
"andy@warmcat.com", recip, NULL, done_cb)) {
lwsl_err("%s: failed to add email\n", __func__);
goto bail1;
}
/* the usual lws event loop */
while (n >= 0 && !interrupted)
n = lws_service(context, 0);
bail1:
lwsl_user("Completed: %s\n", result ? "FAIL" : "PASS");
lws_context_destroy(context);
return result;
}