* struct ast_cdr *ast_cdr_alloc(void)

• ast_cdr_dup main/cdr.c
  • newcdr = ast_cdr_alloc();
• ast_channel_alloc main/channel.c
  • tmp->cdr = ast_cdr_alloc();
  • ast_cdr_init(tmp->cdr, tmp);
  • ast_cdr_start(tmp->cdr);
• __ast_request_and_dial main/channel.c
  • if (!chan->cdr && (chan->cdr = ast_cdr_alloc()))
    • ast_cdr_init(chan->cdr, chan);
  • if (chan->cdr) {
    • char tmp256;
    • snprintf(tmp, sizeof(tmp), "%s/%s", type, (char *)data);
    • ast_cdr_setapp(chan->cdr,"Dial",tmp);
    • ast_cdr_update(chan);
    • ast_cdr_start(chan->cdr);
    • ast_cdr_end(chan->cdr);
    • if (ast_cdr_disposition(chan->cdr,chan->hangupcause))
      • ast_cdr_failed(chan->cdr);
  • }
• clear_caller apps/app_followme.c
  • if (!outbound->cdr) {
    • outbound->cdr = ast_cdr_alloc();
    • if (outbound->cdr)
      • ast_cdr_init(outbound->cdr, outbound);
  • }
  • if (outbound->cdr) {
    • char tmp256
    • snprintf(tmp, sizeof(tmp), "%s/%s", "Local", tmpuser->dialarg);
    • ast_cdr_setapp(outbound->cdr, "FollowMe", tmp);
    • ast_cdr_update(outbound);
    • ast_cdr_start(outbound->cdr);
    • ast_cdr_end(outbound->cdr);
    • if (ast_cdr_disposition(outbound->cdr, outbound->hangupcause))
      • ast_cdr_failed(outbound->cdr);
  • } else
• findmeexec apps/app_followme.c
  • if (!outbound->cdr)
    • outbound->cdr = ast_cdr_alloc();
  • if (outbound->cdr) {
    • char tmp256;
    • ast_cdr_init(outbound->cdr, outbound);
    • snprintf(tmp, sizeof(tmp), "%s/%s", "Local", dialarg);
    • ast_cdr_setapp(outbound->cdr, "FollowMe", tmp);
    • ast_cdr_update(outbound);
    • ast_cdr_start(outbound->cdr);
    • ast_cdr_end(outbound->cdr);
    • if (ast_cdr_disposition(outbound->cdr,outbound->hangupcause))
      • ast_cdr_failed(outbound->cdr);
  • } else {
• __agent_start_monitoring channels/chan_agent.c
  • if (!ast->cdr)
    • ast->cdr = ast_cdr_alloc();
  • ast_cdr_setuserfield(ast, tmp2);
    
    

* cdr structure 에 next 가 있는 이유를 모르겠음.

* struct ast_cdr *ast_cdr_alloc(void)

• struct ast_cdr *x = ast_calloc(1, sizeof(struct ast_cdr));
  
  

* int ast_cdr_init(struct ast_cdr *cdr, struct ast_channel *c)

• for ( ; cdr ; cdr = cdr->next) {
  • cdr->channel, set_one_cid(cdr, c);, cdr->disposition
  • cdr->amaflags, cdr->accountcode, cdr->dst
  • cdr->dcontext, cdr->uniqueid
• }
  
  

* void ast_cdr_start(struct ast_cdr *cdr)

• for (; cdr; cdr = cdr->next) {
  • check_post(cdr);
  • cdr->start = ast_tvnow();
• }
  
  

* include/asterisk/time.h

AST_INLINE_API(
struct timeval ast_tvnow(void),
{
        struct timeval t;
        gettimeofday(&t, NULL);
        return t;
}
)