#include <limits.h>
#include <sys/socket.h>
#include <netinet/in.h>
+#include <assert.h>
#include <arpa/inet.h>
#include <libcitadel.h>
#include <curl/curl.h>
ev_loop *event_base;
+long EvIDSource = 1;
/*****************************************************************************
* libevent / curl integration *
*****************************************************************************/
evcurl_global_data global;
static void
-gotstatus(evcurl_global_data *global, int nnrun)
+gotstatus(int nnrun)
{
- CURLM *mhnd;
CURLMsg *msg;
int nmsg;
- global->nrun = nnrun;
- mhnd = global->mhnd;
+ global.nrun = nnrun;
syslog(LOG_DEBUG, "CURLEV: gotstatus(): about to call curl_multi_info_read\n");
- while ((msg = curl_multi_info_read(mhnd, &nmsg))) {
+ while ((msg = curl_multi_info_read(global.mhnd, &nmsg))) {
syslog(LOG_ERR, "EVCURL: got curl multi_info message msg=%d\n", msg->msg);
if (CURLMSG_DONE == msg->msg) {
CURL *chnd;
syslog(LOG_ERR, "EVCURL: error asking curl for private cookie of curl handle: %s\n", curl_easy_strerror(sta));
IO = (AsyncIO *)chandle;
-///// ev_io_stop(event_base, &IO->recv_event);
+ ev_io_stop(event_base, &IO->recv_event);
+ ev_io_stop(event_base, &IO->send_event);
sta = msg->data.result;
if (sta) {
- syslog(LOG_ERR, "EVCURL: error description: %s\n", IO->HttpReq.errdesc);
- syslog(LOG_ERR, "EVCURL: error performing request: %s\n", curl_easy_strerror(sta));
+ EV_syslog(LOG_ERR, "EVCURL: error description: %s\n", IO->HttpReq.errdesc);
+ EV_syslog(LOG_ERR, "EVCURL: error performing request: %s\n", curl_easy_strerror(sta));
}
sta = curl_easy_getinfo(chnd, CURLINFO_RESPONSE_CODE, &IO->HttpReq.httpcode);
if (sta)
- syslog(LOG_ERR, "EVCURL: error asking curl for response code from request: %s\n", curl_easy_strerror(sta));
- syslog(LOG_ERR, "EVCURL: http response code was %ld\n", (long)IO->HttpReq.httpcode);
-/// syslog(LOG_ERR, "EVCURL: disconnecting [%s]\nn", ChrPtr(IO->ConnectMe->URL));
- msta = curl_multi_remove_handle(mhnd, chnd);
- if (msta)
- syslog(LOG_ERR, "EVCURL: warning problem detaching completed handle from curl multi: %s\n", curl_multi_strerror(msta));
-/// syslog(LOG_ERR, "EVCURL: disconnection done [%s]\nn", ChrPtr(IO->ConnectMe->URL));
+ EV_syslog(LOG_ERR, "EVCURL: error asking curl for response code from request: %s\n", curl_easy_strerror(sta));
+ EV_syslog(LOG_ERR, "EVCURL: http response code was %ld\n", (long)IO->HttpReq.httpcode);
- IO->HttpReq.attached = 0;
- IO->SendDone(IO);
-//// syslog(LOG_ERR, "EVCURL: done with [%s]\nn", ChrPtr(IO->ConnectMe->URL));
-
- curl_easy_cleanup(IO->HttpReq.chnd);
curl_slist_free_all(IO->HttpReq.headers);
-/*
- FreeStrBuf(&IO->HttpReq.ReplyData);
- FreeURL(&IO->ConnectMe);
- RemoveContext(IO->CitContext);
- IO->Terminate(IO);
-*/
+ msta = curl_multi_remove_handle(global.mhnd, chnd);
+ if (msta)
+ EV_syslog(LOG_ERR, "EVCURL: warning problem detaching completed handle from curl multi: %s\n", curl_multi_strerror(msta));
+
+ ev_cleanup_stop(event_base, &IO->abort_by_shutdown);
+
+ IO->HttpReq.attached = 0;
+ switch(IO->SendDone(IO))
+ {
+ case eDBQuery:
+ curl_easy_cleanup(IO->HttpReq.chnd);
+ IO->HttpReq.chnd = NULL;
+ break;
+ case eSendDNSQuery:
+ case eReadDNSReply:
+ case eConnect:
+ case eSendReply:
+ case eSendMore:
+ case eSendFile:
+ case eReadMessage:
+ case eReadMore:
+ case eReadPayload:
+ case eReadFile:
+ curl_easy_cleanup(IO->HttpReq.chnd);
+ IO->HttpReq.chnd = NULL;
+ break;
+ case eTerminateConnection:
+ case eAbort:
+ curl_easy_cleanup(IO->HttpReq.chnd);
+ IO->HttpReq.chnd = NULL;
+ FreeStrBuf(&IO->HttpReq.ReplyData);
+ FreeURL(&IO->ConnectMe);
+ RemoveContext(IO->CitContext);
+ IO->Terminate(IO);
+ }
}
}
}
static void
-stepmulti(evcurl_global_data *global, curl_socket_t fd) {
- int nnrun;
+stepmulti(void *data, curl_socket_t fd, int which)
+{
+ int running_handles = 0;
CURLMcode msta;
- if (global == NULL) {
- syslog(LOG_DEBUG, "EVCURL: stepmulti(NULL): wtf?\n");
- return;
- }
- msta = curl_multi_socket_action(global->mhnd, fd, 0, &nnrun);
+ msta = curl_multi_socket_action(global.mhnd, fd, which, &running_handles);
syslog(LOG_DEBUG, "EVCURL: stepmulti(): calling gotstatus()\n");
if (msta)
syslog(LOG_ERR, "EVCURL: error in curl processing events on multi handle, fd %d: %s\n", (int)fd, curl_multi_strerror(msta));
- if (global->nrun != nnrun)
- gotstatus(global, nnrun);
+ if (global.nrun != running_handles)
+ gotstatus(running_handles);
}
static void
gottime(struct ev_loop *loop, ev_timer *timeev, int events) {
syslog(LOG_DEBUG, "EVCURL: waking up curl for timeout\n");
- evcurl_global_data *global = (void *)timeev->data;
- stepmulti(global, CURL_SOCKET_TIMEOUT);
+ stepmulti(NULL, CURL_SOCKET_TIMEOUT, 0);
+}
+
+static void
+got_in(struct ev_loop *loop, ev_io *ioev, int events) {
+ syslog(LOG_DEBUG, "EVCURL: waking up curl for io on fd %d\n", (int)ioev->fd);
+ stepmulti(ioev->data, ioev->fd, CURL_CSELECT_IN);
}
static void
-gotio(struct ev_loop *loop, ev_io *ioev, int events) {
+got_out(struct ev_loop *loop, ev_io *ioev, int events) {
syslog(LOG_DEBUG, "EVCURL: waking up curl for io on fd %d\n", (int)ioev->fd);
- stepmulti(&global, ioev->fd);
+ stepmulti(ioev->data, ioev->fd, CURL_CSELECT_OUT);
}
static size_t
gotdata(void *data, size_t size, size_t nmemb, void *cglobal) {
AsyncIO *IO = (AsyncIO*) cglobal;
- //evcurl_request_data *D = (evcurl_request_data*) data;
-/// syslog(LOG_DEBUG, "EVCURL: gotdata(): calling CurlFillStrBuf_callback()\n");
if (IO->HttpReq.ReplyData == NULL)
{
tblock_ms = 14000;
ev_timer_set(&global->timeev, 0.5e-3 + 1.0e-3 * tblock_ms, 14.0);
ev_timer_start(EV_DEFAULT_UC, &global->timeev);
- curl_multi_perform(global, CURL_POLL_NONE);
+ curl_multi_perform(global, &global->nrun);
return 0;
}
static int
-gotwatchsock(CURL *easy, curl_socket_t fd, int action, void *cglobal, void *vio) {
+gotwatchsock(CURL *easy, curl_socket_t fd, int action, void *cglobal, void *vIO) {
evcurl_global_data *global = cglobal;
CURLM *mhnd = global->mhnd;
char *f;
- AsyncIO *IO = (AsyncIO*) vio;
+ AsyncIO *IO = (AsyncIO*) vIO;
CURLcode sta;
+ const char *Action;
- syslog(LOG_DEBUG, "EVCURL: gotwatchsock called fd=%d action=%d\n", (int)fd, action);
-
- if (IO == NULL) {
- syslog(LOG_ERR,"EVCURL: called first time to register this sockwatcker\n");
+ if (IO == NULL) {
sta = curl_easy_getinfo(easy, CURLINFO_PRIVATE, &f);
if (sta) {
- syslog(LOG_ERR, "EVCURL: error asking curl for private cookie of curl handle: %s\n", curl_easy_strerror(sta));
+ EV_syslog(LOG_ERR, "EVCURL: error asking curl for private cookie of curl handle: %s\n", curl_easy_strerror(sta));
return -1;
}
IO = (AsyncIO *) f;
- ev_init(&IO->recv_event, &gotio);
- curl_multi_assign(mhnd, fd, IO);
+ EV_syslog(LOG_DEBUG, "EVCURL: got socket for URL: %s\n", IO->ConnectMe->PlainUrl);
+ if (IO->SendBuf.fd != 0)
+ {
+ ev_io_stop(event_base, &IO->recv_event);
+ ev_io_stop(event_base, &IO->send_event);
+ }
+ IO->SendBuf.fd = fd;
+ ev_io_init(&IO->recv_event, &got_in, fd, EV_READ);
+ ev_io_init(&IO->send_event, &got_out, fd, EV_WRITE);
+ curl_multi_assign(mhnd, fd, IO);
+ }
+
+ Action = "";
+ switch (action)
+ {
+ case CURL_POLL_NONE:
+ Action = "CURL_POLL_NONE";
+ break;
+ case CURL_POLL_REMOVE:
+ Action = "CURL_POLL_REMOVE";
+ break;
+ case CURL_POLL_IN:
+ Action = "CURL_POLL_IN";
+ break;
+ case CURL_POLL_OUT:
+ Action = "CURL_POLL_OUT";
+ break;
+ case CURL_POLL_INOUT:
+ Action = "CURL_POLL_INOUT";
+ break;
}
- if (action == CURL_POLL_REMOVE) {
- syslog(LOG_ERR,"EVCURL: called last time to unregister this sockwatcher\n");
+
+
+ EV_syslog(LOG_DEBUG, "EVCURL: gotwatchsock called fd=%d action=%s[%d]\n", (int)fd, Action, action);
+
+ switch (action)
+ {
+ case CURL_POLL_NONE:
+ EVM_syslog(LOG_ERR,"EVCURL: called first time to register this sockwatcker\n");
+ break;
+ case CURL_POLL_REMOVE:
+ EVM_syslog(LOG_ERR,"EVCURL: called last time to unregister this sockwatcher\n");
ev_io_stop(event_base, &IO->recv_event);
- FreeStrBuf(&IO->HttpReq.ReplyData);
- FreeURL(&IO->ConnectMe);
- RemoveContext(IO->CitContext);
- IO->Terminate(IO);
- } else {
- int events = (action & CURL_POLL_IN ? EV_READ : 0) | (action & CURL_POLL_OUT ? EV_WRITE : 0);
+ ev_io_stop(event_base, &IO->send_event);
+ break;
+ case CURL_POLL_IN:
+ ev_io_start(event_base, &IO->recv_event);
+ ev_io_stop(event_base, &IO->send_event);
+ break;
+ case CURL_POLL_OUT:
+ ev_io_start(event_base, &IO->send_event);
ev_io_stop(event_base, &IO->recv_event);
- if (events) {
- ev_io_set(&IO->recv_event, fd, events);
- ev_io_start(event_base, &IO->recv_event);
- }
+ break;
+ case CURL_POLL_INOUT:
+ ev_io_start(event_base, &IO->send_event);
+ ev_io_start(event_base, &IO->recv_event);
+ break;
}
return 0;
}
-int evcurl_init(AsyncIO *IO,
- void *CustomData,
+int evcurl_init(AsyncIO *IO,
+ void *CustomData,
const char* Desc,
- IO_CallBack CallBack,
- IO_CallBack Terminate)
+ IO_CallBack CallBack,
+ IO_CallBack Terminate,
+ IO_CallBack ShutdownAbort)
{
CURLcode sta;
CURL *chnd;
- syslog(LOG_DEBUG, "EVCURL: evcurl_init called ms\n");
+ EVM_syslog(LOG_DEBUG, "EVCURL: evcurl_init called ms\n");
IO->HttpReq.attached = 0;
IO->SendDone = CallBack;
IO->Terminate = Terminate;
+ IO->ShutdownAbort = ShutdownAbort;
chnd = IO->HttpReq.chnd = curl_easy_init();
if (!chnd)
{
- syslog(LOG_ERR, "EVCURL: error initializing curl handle\n");
+ EVM_syslog(LOG_ERR, "EVCURL: error initializing curl handle\n");
return 1;
}
OPT(VERBOSE, (long)1);
/* unset in production */
- OPT(NOPROGRESS, (long)1);
- OPT(NOSIGNAL, (long)1);
+ OPT(NOPROGRESS, 1L);
+ OPT(NOSIGNAL, 1L);
OPT(FAILONERROR, (long)1);
OPT(ENCODING, "");
OPT(FOLLOWLOCATION, (long)1);
OPT(INTERFACE, config.c_ip_addr);
}
/* point to a structure that points back to the perl structure and stuff */
- syslog(LOG_DEBUG, "EVCURL: Loading URL: %s\n", IO->ConnectMe->PlainUrl);
+ EV_syslog(LOG_DEBUG, "EVCURL: Loading URL: %s\n", IO->ConnectMe->PlainUrl);
OPT(URL, IO->ConnectMe->PlainUrl);
if (StrLength(IO->ConnectMe->CurlCreds))
{
return 1;
}
+
+static void IOcurl_abort_shutdown_callback(struct ev_loop *loop, ev_cleanup *watcher, int revents)
+{
+ CURLMcode msta;
+ AsyncIO *IO = watcher->data;
+ EV_syslog(LOG_DEBUG, "EVENT Curl: %s\n", __FUNCTION__);
+
+ curl_slist_free_all(IO->HttpReq.headers);
+ msta = curl_multi_remove_handle(global.mhnd, IO->HttpReq.chnd);
+ if (msta)
+ EV_syslog(LOG_ERR, "EVCURL: warning problem detaching completed handle from curl multi: %s\n", curl_multi_strerror(msta));
+
+ curl_easy_cleanup(IO->HttpReq.chnd);
+ IO->HttpReq.chnd = NULL;
+ ev_cleanup_stop(event_base, &IO->abort_by_shutdown);
+ ev_io_stop(event_base, &IO->recv_event);
+ ev_io_stop(event_base, &IO->send_event);
+ assert(IO->ShutdownAbort);
+ IO->ShutdownAbort(IO);
+}
eNextState
evcurl_handle_start(AsyncIO *IO)
{
CURLMcode msta;
-
- syslog(LOG_DEBUG, "EVCURL: attaching to curl multi handle\n");
+ IO->NextState = eConnect;
+ EVM_syslog(LOG_DEBUG, "EVCURL: attaching to curl multi handle\n");
msta = curl_multi_add_handle(global.mhnd, IO->HttpReq.chnd);
if (msta)
- syslog(LOG_ERR, "EVCURL: error attaching to curl multi handle: %s\n", curl_multi_strerror(msta));
+ EV_syslog(LOG_ERR, "EVCURL: error attaching to curl multi handle: %s\n", curl_multi_strerror(msta));
IO->HttpReq.attached = 1;
ev_async_send (event_base, &WakeupCurl);
+ ev_cleanup_init(&IO->abort_by_shutdown,
+ IOcurl_abort_shutdown_callback);
+ ev_cleanup_start(event_base, &IO->abort_by_shutdown);
return eReadMessage;
}
while (GetNextHashPos(q, It, &len, &Key, &v))
{
IOAddHandler *h = v;
+ if (h->IO->ID == 0)
+ h->IO->ID = EvIDSource++;
h->EvAttch(h->IO);
}
DeleteHashPos(&It);
DeleteHashContent(&q);
- syslog(LOG_DEBUG, "EVENT Q Read done.\n");
+ syslog(LOG_DEBUG, "EVENT Q Add done.\n");
}
syslog(LOG_DEBUG, "client_ev_thread() initializing\n");
event_base = ev_default_loop (EVFLAG_AUTO);
-
ev_async_init(&AddJob, QueueEventAddCallback);
ev_async_start(event_base, &AddJob);
ev_async_init(&ExitEventLoop, EventExitCallback);
///what todo here? CtdlClearSystemContext();
ev_loop_destroy (EV_DEFAULT_UC);
-
+ curl_global_cleanup();
+ curl_multi_cleanup(global.mhnd);
DeleteHash(&QueueEvents);
InboundEventQueue = NULL;
DeleteHash(&InboundEventQueues[0]);
{
IOAddHandler *h = v;
eNextState rc;
+ if (h->IO->ID == 0)
+ h->IO->ID = EvIDSource++;
rc = h->EvAttch(h->IO);
switch (rc)
{
}
DeleteHashPos(&It);
DeleteHashContent(&q);
- syslog(LOG_DEBUG, "DBEVENT Q Read done.\n");
+ syslog(LOG_DEBUG, "DBEVENT Q Add done.\n");
}