FreeCalypso > hg > themwi-system-sw
diff sip-manual-out/disc_cmd.c @ 123:a36b731bfef9
sip-manual-out: implement sending BYE and CANCEL
author | Mychaela Falconia <falcon@freecalypso.org> |
---|---|
date | Thu, 29 Sep 2022 17:21:11 -0800 |
parents | |
children | f8a33603288f |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/sip-manual-out/disc_cmd.c Thu Sep 29 17:21:11 2022 -0800 @@ -0,0 +1,76 @@ +/* + * In this module we implement user-driven sending of CANCEL and BYE + * disconnection requests. + */ + +#include <sys/types.h> +#include <sys/socket.h> +#include <netinet/in.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <strings.h> +#include "../libsip/out_msg.h" + +extern struct sockaddr_in sip_dest_sin; +extern char to_uri[]; + +send_cancel_req() +{ + struct sip_msg_out msg; + int rc; + + rc = start_request_out_msg(&msg, "CANCEL", to_uri); + if (rc < 0) { +msg_size_err: fprintf(stderr, "composing CANCEL message: size error\n"); + return(-1); + } + rc = add_req_boilerplate(&msg, "1 CANCEL", 0); + if (rc < 0) + goto msg_size_err; + out_msg_finish(&msg); + sip_tx_packet(&msg, &sip_dest_sin); + return(0); +} + +send_bye_req() +{ + struct sip_msg_out msg; + int rc; + + rc = start_request_out_msg(&msg, "BYE", to_uri); + if (rc < 0) { +msg_size_err: fprintf(stderr, "composing BYE message: size error\n"); + return(-1); + } + rc = add_req_boilerplate(&msg, "2 BYE", 1); + if (rc < 0) + goto msg_size_err; + out_msg_finish(&msg); + sip_tx_packet(&msg, &sip_dest_sin); + return(0); +} + +void +select_stdin() +{ + char buf[256], *cp; + + fgets(buf, sizeof buf, stdin); + cp = index(buf, '\n'); + if (cp) { + while (cp > buf && isspace(cp[-1])) + cp--; + *cp = '\0'; + } + for (cp = buf; isspace(*cp); cp++) + ; + if (!*cp) + return; + if (!strcmp(cp, "b") || !strcasecmp(cp, "bye")) + send_bye_req(); + else if (!strcmp(cp, "c") || !strcasecmp(cp, "cancel")) + send_cancel_req(); + else + fprintf(stderr, "error: non-understood stdin command\n"); +}