FreeCalypso > hg > themwi-system-sw
view mgw/dlcx.c @ 211:fbfa72b114e8
sip-manual-out: prep for making PCM fill octet changeable
author | Mychaela Falconia <falcon@freecalypso.org> |
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date | Sun, 21 May 2023 15:33:00 -0800 |
parents | a6eb2de277f6 |
children |
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/* * In this module we implement our DLCX operation. */ #include <sys/types.h> #include <sys/socket.h> #include <sys/time.h> #include <netinet/in.h> #include <stdio.h> #include <stdint.h> #include <stdlib.h> #include <string.h> #include <strings.h> #include <syslog.h> #include <unistd.h> #include "../include/tmgw_ctrl.h" #include "../include/tmgw_const.h" #include "struct.h" #include "select.h" extern struct endpoint *find_ep_by_id(); static struct endpoint *delq; static void put_on_delq(ep) struct endpoint *ep; { ep->next = delq; delq = ep; } void process_dlcx(conn, req, resp) struct ctrl_conn *conn; struct tmgw_ctrl_req *req; struct tmgw_ctrl_resp *resp; { struct endpoint *ep, **epp; for (epp = &conn->endp_list; ep = *epp; epp = &ep->next) if (ep->ep_id == req->ep_id) break; if (!ep) { resp->res = TMGW_RESP_ERR_PROT; return; } syslog(LOG_INFO, "DLCX endpoint id %u", ep->ep_id); *epp = ep->next; put_on_delq(ep); resp->res = TMGW_RESP_OK; } void dlcx_all_on_conn(conn) struct ctrl_conn *conn; { struct endpoint *ep, *np; for (ep = conn->endp_list; ep; ep = np) { np = ep->next; put_on_delq(ep); } } void free_rtp_end(roe) struct rtp_one_end *roe; { close(roe->rtp_fd); close(roe->rtcp_fd); FD_CLR(roe->rtp_fd, &select_for_read); FD_CLR(roe->rtcp_fd, &select_for_read); } void free_deleted_endpoints() { struct endpoint *ep, *np; for (ep = delq; ep; ep = np) { np = ep->next; if (ep->ep_type & TMGW_EP_HAS_GSM_SOCK) free_rtp_end(&ep->rtp_gsm); if (ep->ep_type & TMGW_EP_HAS_PSTN_SOCK) free_rtp_end(&ep->rtp_pstn); if (ep->gsm_encoder_state) free(ep->gsm_encoder_state); if (ep->gsm_decoder_state) free(ep->gsm_decoder_state); if (ep->gsm_decoder_extra_state) free(ep->gsm_decoder_extra_state); free(ep); } delq = 0; }