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| UPSCLI_CONNECT(3) | NUT Manual | UPSCLI_CONNECT(3) |
NAME
upscli_connect - Open a connection to a NUT upsdSYNOPSIS
#include <upsclient.h>
int upscli_connect(UPSCONN_t *ups, const char *host, int port, int flags);
DESCRIPTION
The upscli_connect() function takes the pointer ups to a UPSCONN_t state structure and opens a TCP connection to the host on the given port.flags may be either UPSCLI_CONN_TRYSSL to try a SSL connection, or UPSCLI_CONN_REQSSL to require a SSL connection.
If SSL mode is required, this function will only return successfully if it is able to establish a SSL connection with the server. Possible reasons for failure include no SSL support on the server, and if upsclient itself hasn’t been compiled with SSL support.
You must call upscli_disconnect(3) when finished with a connection, or your program will slowly leak memory and file descriptors.
RETURN VALUE
The upscli_connect() function modifies the UPSCONN_t structure and returns 0 on success, or -1 if an error occurs.SEE ALSO
upscli_disconnect(3), upscli_fd(3), upscli_splitaddr(3), upscli_splitname(3), upscli_ssl(3), upscli_strerror(3), upscli_upserror(3)| 03/02/2016 | Network UPS Tools 2.7.3. |
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