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examples: Updated SMTP multi example to be more realistic

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Updated the contents of the email and payload callback as per the IMAP
and other SMTP examples.
This commit is contained in:
Steve Holme 2014-01-01 20:42:03 +00:00
parent db11750cfa
commit 6bc9e46bf1
1 changed files with 44 additions and 35 deletions
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79
docs/examples/smtp-multi.c
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@ -5,7 +5,7 @@
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
* Copyright (C) 1998 - 2013, Daniel Stenberg, <daniel@haxx.se>, et al.
* Copyright (C) 1998 - 2014, Daniel Stenberg, <daniel@haxx.se>, et al.
*
* This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
@ -31,46 +31,54 @@
*/
#define USERNAME "user@example.com"
#define PASSWORD "123qwerty"
#define SMTPSERVER "smtp.example.com"
#define SMTPPORT ":587" /* it is a colon+port string, but you can set it
#define SERVER "smtp.example.com"
#define PORT ":587" /* it is a colon+port string, but you can set it
to "" to use the default port */
#define RECIPIENT "<recipient@example.com>"
#define MAILFROM "<realuser@example.com>"
#define FROM "<sender@example.com>"
#define TO "<recipient@example.com>"
#define CC "<info@example.com>"
#define MULTI_PERFORM_HANG_TIMEOUT 60 * 1000
/* Note that you should include the actual meta data headers here as well if
you want the mail to have a Subject, another From:, show a To: or whatever
you think your mail should feature! */
static const char *text[]={
"one\n",
"two\n",
"three\n",
" Hello, this is CURL email SMTP\n",
static const char *payload_text[] = {
"Date: Mon, 29 Nov 2010 21:54:29 +1100\r\n",
"To: " TO "\r\n",
"From: " FROM "(Example User)\r\n",
"Cc: " CC "(Another example User)\r\n",
"Message-ID: <dcd7cb36-11db-487a-9f3a-e652a9458efd@rfcpedant.example.org>\r\n",
"Subject: SMTP TLS example message\r\n",
"\r\n", /* empty line to divide headers from body, see RFC5322 */
"The body of the message starts here.\r\n",
"\r\n",
"It could be a lot of lines, could be MIME encoded, whatever.\r\n",
"Check RFC5322.\r\n",
NULL
};
struct WriteThis {
int counter;
struct upload_status {
int lines_read;
};
static size_t read_callback(void *ptr, size_t size, size_t nmemb, void *userp)
static size_t payload_source(void *ptr, size_t size, size_t nmemb, void *userp)
{
struct WriteThis *pooh = (struct WriteThis *)userp;
struct upload_status *upload_ctx = (struct upload_status *)userp;
const char *data;
if(size*nmemb < 1)
if((size == 0) || (nmemb == 0) || ((size*nmemb) < 1)) {
return 0;
}
data = text[pooh->counter];
data = payload_text[upload_ctx->lines_read];
if(data) {
size_t len = strlen(data);
memcpy(ptr, data, len);
pooh->counter++; /* advance pointer */
upload_ctx->lines_read++;
return len;
}
return 0; /* no more data left to deliver */
return 0;
}
static struct timeval tvnow(void)
@ -96,10 +104,10 @@ int main(void)
CURLM *mcurl;
int still_running = 1;
struct timeval mp_start;
struct WriteThis pooh;
struct curl_slist* rcpt_list = NULL;
struct curl_slist *recipients = NULL;
struct upload_status upload_ctx;
pooh.counter = 0;
upload_ctx.lines_read = 0;
curl_global_init(CURL_GLOBAL_DEFAULT);
@ -111,22 +119,23 @@ int main(void)
if(!mcurl)
return 2;
rcpt_list = curl_slist_append(rcpt_list, RECIPIENT);
/* more addresses can be added here
rcpt_list = curl_slist_append(rcpt_list, "<others@example.com>");
*/
/* Add two recipients, in this particular case they correspond to the
* To: and Cc: addressees in the header, but they could be any kind of
* recipient. */
recipients = curl_slist_append(recipients, TO);
recipients = curl_slist_append(recipients, CC);
curl_easy_setopt(curl, CURLOPT_URL, "smtp://" SMTPSERVER SMTPPORT);
curl_easy_setopt(curl, CURLOPT_URL, "smtp://" SERVER PORT);
curl_easy_setopt(curl, CURLOPT_USERNAME, USERNAME);
curl_easy_setopt(curl, CURLOPT_PASSWORD, PASSWORD);
curl_easy_setopt(curl, CURLOPT_READFUNCTION, read_callback);
curl_easy_setopt(curl, CURLOPT_READFUNCTION, payload_source);
curl_easy_setopt(curl, CURLOPT_READDATA, &upload_ctx);
curl_easy_setopt(curl, CURLOPT_UPLOAD, 1L);
curl_easy_setopt(curl, CURLOPT_MAIL_FROM, MAILFROM);
curl_easy_setopt(curl, CURLOPT_MAIL_RCPT, rcpt_list);
curl_easy_setopt(curl, CURLOPT_MAIL_FROM, FROM);
curl_easy_setopt(curl, CURLOPT_MAIL_RCPT, recipients);
curl_easy_setopt(curl, CURLOPT_USE_SSL, (long)CURLUSESSL_ALL);
curl_easy_setopt(curl, CURLOPT_SSL_VERIFYPEER, 0L);
curl_easy_setopt(curl, CURLOPT_SSL_VERIFYHOST, 0L);
curl_easy_setopt(curl, CURLOPT_READDATA, &pooh);
curl_easy_setopt(curl, CURLOPT_VERBOSE, 1L);
curl_easy_setopt(curl, CURLOPT_SSLVERSION, 0L);
curl_easy_setopt(curl, CURLOPT_SSL_SESSIONID_CACHE, 0L);
@ -173,7 +182,6 @@ int main(void)
greater or equal than -1. We call select(maxfd + 1, ...), specially in
case of (maxfd == -1), we call select(0, ...), which is basically equal
to sleep. */
rc = select(maxfd+1, &fdread, &fdwrite, &fdexcep, &timeout);
if (tvdiff(tvnow(), mp_start) > MULTI_PERFORM_HANG_TIMEOUT) {
@ -193,11 +201,12 @@ int main(void)
}
}
curl_slist_free_all(rcpt_list);
curl_slist_free_all(recipients);
curl_multi_remove_handle(mcurl, curl);
curl_multi_cleanup(mcurl);
curl_easy_cleanup(curl);
curl_global_cleanup();
return 0;
}