enum async_ret_code resume_async_http_req(int fd, struct sip_msg *msg, void *_param)
{
CURLcode rc;
CURLMcode mrc;
rest_async_param *param = (rest_async_param *)_param;
int running, max_fd;
long http_rc;
fd_set rset, wset, eset;
pv_value_t val;
mrc = curl_multi_perform(multi_handle, &running);
if (mrc != CURLM_OK) {
LM_ERR("curl_multi_perform: %s\n", curl_multi_strerror(mrc));
return -1;
}
LM_DBG("running handles: %d\n", running);
if (running == running_handles) {
async_status = ASYNC_CONTINUE;
return 1;
}
if (running > running_handles) {
LM_BUG("incremented handles!!");
/* default async status is DONE */
return -1;
}
running_handles = running;
FD_ZERO(&rset);
mrc = curl_multi_fdset(multi_handle, &rset, &wset, &eset, &max_fd);
if (mrc != CURLM_OK) {
LM_ERR("curl_multi_fdset: %s\n", curl_multi_strerror(mrc));
/* default async status is DONE */
return -1;
}
if (max_fd == -1) {
if (running_handles != 0) {
LM_BUG("running_handles == %d", running_handles);
abort();
/* default async status is DONE */
return -1;
}
if (FD_ISSET(fd, &rset)) {
LM_BUG("fd %d is still in rset!", fd);
abort();
/* default async status is DONE */
return -1;
}
} else if (FD_ISSET(fd, &rset)) {
LM_DBG("fd %d still transfering...\n", fd);
async_status = ASYNC_CONTINUE;
return 1;
}
if (del_transfer(fd) != 0) {
LM_BUG("failed to delete fd %d", fd);
abort();
/* default async status is DONE */
return -1;
}
mrc = curl_multi_remove_handle(multi_handle, param->handle);
if (mrc != CURLM_OK) {
LM_ERR("curl_multi_remove_handle: %s\n", curl_multi_strerror(mrc));
/* default async status is DONE */
return -1;
}
val.flags = PV_VAL_STR;
val.rs = param->body;
if (pv_set_value(msg, param->body_pv, 0, &val) != 0)
LM_ERR("failed to set output body pv\n");
if (param->ctype_pv) {
val.rs = param->ctype;
if (pv_set_value(msg, param->ctype_pv, 0, &val) != 0)
LM_ERR("failed to set output ctype pv\n");
}
if (param->code_pv) {
rc = curl_easy_getinfo(param->handle, CURLINFO_RESPONSE_CODE, &http_rc);
if (rc != CURLE_OK) {
LM_ERR("curl_easy_getinfo: %s\n", curl_easy_strerror(rc));
http_rc = 0;
}
LM_DBG("Last response code: %ld\n", http_rc);
val.flags = PV_VAL_INT|PV_TYPE_INT;
val.ri = (int)http_rc;
if (pv_set_value(msg, param->code_pv, 0, &val) != 0)
LM_ERR("failed to set output code pv\n");
}
pkg_free(param->body.s);
if (param->ctype_pv && param->ctype.s)
pkg_free(param->ctype.s);
curl_easy_cleanup(param->handle);
pkg_free(param);
/* default async status is DONE */
return 1;
}
enum async_ret_code resume_async_http_req(int fd, struct sip_msg *msg, void *_param)
{
CURLcode rc;
CURLMcode mrc;
rest_async_param *param = (rest_async_param *)_param;
int running = 0, max_fd;
long http_rc;
fd_set rset, wset, eset;
pv_value_t val;
int ret = 1, retr;
CURLM *multi_handle;
multi_handle = param->multi_list->multi_handle;
retr = 0;
do {
mrc = curl_multi_perform(multi_handle, &running);
if (mrc != CURLM_CALL_MULTI_PERFORM)
break;
LM_DBG("retry last perform...\n");
usleep(_async_resume_retr_itv);
retr += _async_resume_retr_itv;
} while (retr < _async_resume_retr_timeout);
if (mrc != CURLM_OK) {
LM_ERR("curl_multi_perform: %s\n", curl_multi_strerror(mrc));
return -1;
}
LM_DBG("running handles: %d\n", running);
if (running == 1) {
LM_DBG("transfer in progress...\n");
async_status = ASYNC_CONTINUE;
return 1;
}
if (running != 0) {
LM_BUG("non-zero running handles!! (%d)", running);
abort();
}
FD_ZERO(&rset);
mrc = curl_multi_fdset(multi_handle, &rset, &wset, &eset, &max_fd);
if (mrc != CURLM_OK) {
LM_ERR("curl_multi_fdset: %s\n", curl_multi_strerror(mrc));
ret = -1;
goto out;
}
if (max_fd == -1) {
if (FD_ISSET(fd, &rset)) {
LM_BUG("fd %d is still in rset!", fd);
abort();
}
} else if (FD_ISSET(fd, &rset)) {
LM_DBG("fd %d still transferring...\n", fd);
async_status = ASYNC_CONTINUE;
return 1;
}
curl_slist_free_all(param->header_list);
if (del_transfer(fd) != 0) {
LM_BUG("failed to delete fd %d", fd);
abort();
}
mrc = curl_multi_remove_handle(multi_handle, param->handle);
if (mrc != CURLM_OK) {
LM_ERR("curl_multi_remove_handle: %s\n", curl_multi_strerror(mrc));
/* default async status is ASYNC_DONE */
return -1;
}
put_multi(param->multi_list);
val.flags = PV_VAL_STR;
val.rs = param->body;
if (pv_set_value(msg, param->body_pv, 0, &val) != 0)
LM_ERR("failed to set output body pv\n");
if (param->ctype_pv) {
val.rs = param->ctype;
if (pv_set_value(msg, param->ctype_pv, 0, &val) != 0)
LM_ERR("failed to set output ctype pv\n");
}
if (param->code_pv) {
rc = curl_easy_getinfo(param->handle, CURLINFO_RESPONSE_CODE, &http_rc);
if (rc != CURLE_OK) {
LM_ERR("curl_easy_getinfo: %s\n", curl_easy_strerror(rc));
http_rc = 0;
}
LM_DBG("Last response code: %ld\n", http_rc);
val.flags = PV_VAL_INT|PV_TYPE_INT;
val.ri = (int)http_rc;
if (pv_set_value(msg, param->code_pv, 0, &val) != 0)
LM_ERR("failed to set output code pv\n");
}
out:
pkg_free(param->body.s);
if (param->ctype_pv && param->ctype.s)
pkg_free(param->ctype.s);
curl_easy_cleanup(param->handle);
if ( param->tparam ) {
pkg_free( param->tparam );
}
pkg_free(param);
/* default async status is ASYNC_DONE */
return ret;
}
