*
* Copyright (c) 1998-2009 by the citadel.org team
*
- * This program is free software; you can redistribute it and/or modify
+ * This program is open source software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
+#include <assert.h>
+
#include <libcitadel.h>
#include "citadel.h"
#include "server.h"
#include "locate_host.h"
#include "citadel_dirs.h"
-#ifdef EXPERIMENTAL_SMTP_EVENT_CLIENT
-
-#include <event.h>
#include "event_client.h"
-extern int event_add_pipe[2];
-extern citthread_mutex_t EventQueueMutex;
-extern void *QueueEventAddPtr;
-extern AsyncIO *QueueThisIO;
-extern EventContextAttach EventContextAttachPtr;
+static void IO_abort_shutdown_callback(struct ev_loop *loop, ev_cleanup *watcher, int revents)
+{
+ AsyncIO *IO = watcher->data;
+ EV_syslog(LOG_DEBUG, "EVENT Q: %s\n", __FUNCTION__);
+
+ assert(IO->ShutdownAbort);
+ IO->ShutdownAbort(IO);
+}
+
-int QueueEventContext(void *Ctx, AsyncIO *IO, EventContextAttach CB)
+/*--------------------------------------------------------------------------------
+ * Server DB IO
+ */
+extern int evdb_count;
+extern pthread_mutex_t DBEventQueueMutex;
+extern HashList *DBInboundEventQueue;
+extern struct ev_loop *event_db;
+extern ev_async DBAddJob;
+extern ev_async DBExitEventLoop;
+
+eNextState QueueDBOperation(AsyncIO *IO, IO_CallBack CB)
{
- citthread_mutex_lock(&EventQueueMutex);
+ IOAddHandler *h;
+ int i;
+
+ h = (IOAddHandler*)malloc(sizeof(IOAddHandler));
+ h->IO = IO;
+ h->EvAttch = CB;
+ ev_cleanup_init(&IO->db_abort_by_shutdown,
+ IO_abort_shutdown_callback);
+ IO->db_abort_by_shutdown.data = IO;
+ ev_cleanup_start(event_db, &IO->db_abort_by_shutdown);
+
+ pthread_mutex_lock(&DBEventQueueMutex);
+ EVM_syslog(LOG_DEBUG, "DBEVENT Q\n");
+ i = ++evdb_count ;
+ Put(DBInboundEventQueue, IKEY(i), h, NULL);
+ pthread_mutex_unlock(&DBEventQueueMutex);
+
+ ev_async_send (event_db, &DBAddJob);
+ EVM_syslog(LOG_DEBUG, "DBEVENT Q Done.\n");
+ return eDBQuery;
+}
+
+void ShutDownDBCLient(AsyncIO *IO)
+{
+ CitContext *Ctx =IO->CitContext;
+ become_session(Ctx);
+
+ EVM_syslog(LOG_DEBUG, "DBEVENT Terminating.\n");
+ ev_cleanup_stop(event_db, &IO->db_abort_by_shutdown);
- QueueEventAddPtr = Ctx;
- EventContextAttachPtr = CB;
- QueueThisIO = IO;
+ assert(IO->Terminate);
+ IO->Terminate(IO);
- write(event_add_pipe[1], "+_", 1);
- citthread_mutex_unlock(&EventQueueMutex);
- return 0;
+ Ctx->state = CON_IDLE;
+ Ctx->kill_me = 1;
}
+void
+DB_PerformNext(struct ev_loop *loop, ev_idle *watcher, int revents)
+{
+ AsyncIO *IO = watcher->data;
+ EV_syslog(LOG_DEBUG, "event: %s\n", __FUNCTION__);
+ become_session(IO->CitContext);
+
+ ev_idle_stop(event_db, &IO->db_unwind_stack);
+
+ assert(IO->NextDBOperation);
+ switch (IO->NextDBOperation(IO))
+ {
+ case eDBQuery:
+ break;
+ case eSendDNSQuery:
+ case eReadDNSReply:
+ case eConnect:
+ case eSendReply:
+ case eSendMore:
+ case eSendFile:
+ case eReadMessage:
+ case eReadMore:
+ case eReadPayload:
+ case eReadFile:
+ ev_cleanup_stop(loop, &IO->db_abort_by_shutdown);
+ break;
+ case eTerminateConnection:
+ case eAbort:
+ ev_idle_stop(event_db, &IO->db_unwind_stack);
+ ev_cleanup_stop(loop, &IO->db_abort_by_shutdown);
+ ShutDownDBCLient(IO);
+ }
+}
-int ShutDownEventQueue(void)
+eNextState NextDBOperation(AsyncIO *IO, IO_CallBack CB)
{
- write(event_add_pipe[1], "x_", 1);
- close(event_add_pipe[1]);
- return 0;
+ IO->NextDBOperation = CB;
+ ev_idle_init(&IO->db_unwind_stack,
+ DB_PerformNext);
+ IO->db_unwind_stack.data = IO;
+ ev_idle_start(event_db, &IO->db_unwind_stack);
+ return eDBQuery;
}
+/*--------------------------------------------------------------------------------
+ * Client IO
+ */
+extern int evbase_count;
+extern pthread_mutex_t EventQueueMutex;
+extern HashList *InboundEventQueue;
+extern struct ev_loop *event_base;
+extern ev_async AddJob;
+extern ev_async ExitEventLoop;
-/*
-static void
-setup_signal_handlers(struct instance *instance)
+eNextState QueueEventContext(AsyncIO *IO, IO_CallBack CB)
{
- signal(SIGPIPE, SIG_IGN);
+ IOAddHandler *h;
+ int i;
+
+ h = (IOAddHandler*)malloc(sizeof(IOAddHandler));
+ h->IO = IO;
+ h->EvAttch = CB;
+ ev_cleanup_init(&IO->abort_by_shutdown,
+ IO_abort_shutdown_callback);
+ IO->abort_by_shutdown.data = IO;
+ ev_cleanup_start(event_base, &IO->abort_by_shutdown);
+
+ pthread_mutex_lock(&EventQueueMutex);
+ EVM_syslog(LOG_DEBUG, "EVENT Q\n");
+ i = ++evbase_count;
+ Put(InboundEventQueue, IKEY(i), h, NULL);
+ pthread_mutex_unlock(&EventQueueMutex);
+
+ ev_async_send (event_base, &AddJob);
+ EVM_syslog(LOG_DEBUG, "EVENT Q Done.\n");
+ return eSendReply;
+}
- event_set(&instance->sigterm_event, SIGTERM, EV_SIGNAL|EV_PERSIST,
- exit_event_callback, instance);
- event_add(&instance->sigterm_event, NULL);
+extern eNextState evcurl_handle_start(AsyncIO *IO);
+
+eNextState QueueCurlContext(AsyncIO *IO)
+{
+ IOAddHandler *h;
+ int i;
+
+ h = (IOAddHandler*)malloc(sizeof(IOAddHandler));
+ h->IO = IO;
+ h->EvAttch = evcurl_handle_start;
+
+ pthread_mutex_lock(&EventQueueMutex);
+ EVM_syslog(LOG_DEBUG, "EVENT Q\n");
+ i = ++evbase_count;
+ Put(InboundEventQueue, IKEY(i), h, NULL);
+ pthread_mutex_unlock(&EventQueueMutex);
+
+ ev_async_send (event_base, &AddJob);
+ EVM_syslog(LOG_DEBUG, "EVENT Q Done.\n");
+ return eSendReply;
+}
+
+void FreeAsyncIOContents(AsyncIO *IO)
+{
+ FreeStrBuf(&IO->IOBuf);
+ FreeStrBuf(&IO->SendBuf.Buf);
+ FreeStrBuf(&IO->RecvBuf.Buf);
+}
- event_set(&instance->sigint_event, SIGINT, EV_SIGNAL|EV_PERSIST,
- exit_event_callback, instance);
- event_add(&instance->sigint_event, NULL);
- event_set(&instance->sigquit_event, SIGQUIT, EV_SIGNAL|EV_PERSIST,
- exit_event_callback, instance);
- event_add(&instance->sigquit_event, NULL);
+void StopClientWatchers(AsyncIO *IO)
+{
+ ev_timer_stop(event_base, &IO->conn_fail);
+ ev_io_stop(event_base, &IO->conn_event);
+ ev_idle_stop(event_base, &IO->unwind_stack);
+
+ ev_io_stop(event_base, &IO->send_event);
+ ev_io_stop(event_base, &IO->recv_event);
+ ev_timer_stop (event_base, &IO->rw_timeout);
+ close(IO->SendBuf.fd);
+ IO->SendBuf.fd = 0;
+ IO->RecvBuf.fd = 0;
}
-*/
+
+void ShutDownCLient(AsyncIO *IO)
+{
+ CitContext *Ctx =IO->CitContext;
+ become_session(Ctx);
+
+ EVM_syslog(LOG_DEBUG, "EVENT Terminating \n");
+
+ ev_cleanup_stop(event_base, &IO->abort_by_shutdown);
+ StopClientWatchers(IO);
+
+ if (IO->DNS.Channel != NULL) {
+ ares_destroy(IO->DNS.Channel);
+ ev_io_stop(event_base, &IO->DNS.recv_event);
+ ev_io_stop(event_base, &IO->DNS.send_event);
+ IO->DNS.Channel = NULL;
+ }
+ assert(IO->Terminate);
+ IO->Terminate(IO);
+ Ctx->state = CON_IDLE;
+ Ctx->kill_me = 1;
+}
+
eReadState HandleInbound(AsyncIO *IO)
{
+ const char *Err = NULL;
eReadState Finished = eBufferNotEmpty;
-
- while ((Finished == eBufferNotEmpty) && (IO->NextState == eReadMessage)){
+
+ become_session(IO->CitContext);
+
+ while ((Finished == eBufferNotEmpty) &&
+ ((IO->NextState == eReadMessage)||
+ (IO->NextState == eReadMore)||
+ (IO->NextState == eReadFile)||
+ (IO->NextState == eReadPayload)))
+ {
if (IO->RecvBuf.nBlobBytesWanted != 0) {
}
else { /* Reading lines... */
//// lex line reply in callback, or do it ourselves. as nnn-blabla means continue reading in SMTP
- if (IO->LineReader)
+ if ((IO->NextState == eReadFile) &&
+ (Finished == eBufferNotEmpty))
+ {
+ Finished = WriteIOBAlreadyRead(&IO->IOB, &Err);
+ if (Finished == eReadSuccess)
+ {
+ IO->NextState = eSendReply;
+ }
+ }
+ else if (IO->LineReader)
Finished = IO->LineReader(IO);
else
Finished = StrBufChunkSipLine(IO->IOBuf, &IO->RecvBuf);
switch (Finished) {
case eMustReadMore: /// read new from socket...
- return Finished;
break;
case eBufferNotEmpty: /* shouldn't happen... */
case eReadSuccess: /// done for now...
}
if (Finished != eMustReadMore) {
- event_del(&IO->recv_event);
- IO->NextState = IO->ReadDone(IO->Data);
+ assert(IO->ReadDone);
+ ev_io_stop(event_base, &IO->recv_event);
+ IO->NextState = IO->ReadDone(IO);
Finished = StrBufCheckBuffer(&IO->RecvBuf);
}
}
-
- if ((IO->NextState == eSendReply) ||
- (IO->NextState == eSendMore))
- {
- IO->NextState = IO->SendDone(IO->Data);
- event_add(&IO->send_event, NULL);
-
+ switch (IO->NextState) {
+ case eSendFile:
+ ev_io_start(event_base, &IO->send_event);
+ break;
+ case eSendReply:
+ case eSendMore:
+ assert(IO->SendDone);
+ IO->NextState = IO->SendDone(IO);
+ ev_io_start(event_base, &IO->send_event);
+ break;
+ case eReadPayload:
+ case eReadMore:
+ case eReadFile:
+ ev_io_start(event_base, &IO->recv_event);
+ break;
+ case eTerminateConnection:
+//////TODOxxxx
+ break;
+ case eAbort:
+ ShutDownCLient(IO);
+ break;
+ case eSendDNSQuery:
+ case eReadDNSReply:
+ case eDBQuery:
+ case eConnect:
+ case eReadMessage:
+ break;
}
return Finished;
}
static void
-IO_send_callback(int fd, short event, void *ctx)
+IO_send_callback(struct ev_loop *loop, ev_io *watcher, int revents)
{
int rc;
- AsyncIO *IO = ctx;
+ AsyncIO *IO = watcher->data;
+ const char *errmsg = NULL;
- (void)fd;
- (void)event;
-
-/// assert(fd == IO->sock);
-
- rc = StrBuf_write_one_chunk_callback(fd, event, &IO->SendBuf);
+ become_session(IO->CitContext);
+#ifdef BIGBAD_IODBG
+ {
+ int rv = 0;
+ char fn [SIZ];
+ FILE *fd;
+ const char *pch = ChrPtr(IO->SendBuf.Buf);
+ const char *pchh = IO->SendBuf.ReadWritePointer;
+ long nbytes;
+
+ if (pchh == NULL)
+ pchh = pch;
+
+ nbytes = StrLength(IO->SendBuf.Buf) - (pchh - pch);
+ snprintf(fn, SIZ, "/tmp/foolog_ev_%s.%d",
+ ((CitContext*)(IO->CitContext))->ServiceName,
+ IO->SendBuf.fd);
+
+ fd = fopen(fn, "a+");
+ fprintf(fd, "Send: BufSize: %ld BufContent: [",
+ nbytes);
+ rv = fwrite(pchh, nbytes, 1, fd);
+ if (!rv) printf("failed to write debug to %s!\n", fn);
+ fprintf(fd, "]\n");
+#endif
+ switch (IO->NextState) {
+ case eSendFile:
+ rc = FileSendChunked(&IO->IOB, &errmsg);
+ if (rc < 0)
+ StrBufPlain(IO->ErrMsg, errmsg, -1);
+ break;
+ default:
+ rc = StrBuf_write_one_chunk_callback(watcher->fd, 0/*TODO*/, &IO->SendBuf);
+ }
+#ifdef BIGBAD_IODBG
+ fprintf(fd, "Sent: BufSize: %d bytes.\n", rc);
+ fclose(fd);
+ }
+#endif
if (rc == 0)
{
- event_del(&IO->send_event);
- switch (IO->NextState) {
- case eSendReply:
- break;
- case eSendMore:
- IO->NextState = IO->SendDone(IO->Data);
- event_add(&IO->send_event, NULL);
- break;
- case eReadMessage:
- if (StrBufCheckBuffer(&IO->RecvBuf) == eBufferNotEmpty) {
- HandleInbound(IO);
- }
- else {
- event_add(&IO->recv_event, NULL);
- }
-
- break;
- case eAbort:
- break;
- }
+ ev_io_stop(event_base, &IO->send_event);
+ switch (IO->NextState) {
+ case eSendMore:
+ assert(IO->SendDone);
+ IO->NextState = IO->SendDone(IO);
+
+ if ((IO->NextState == eTerminateConnection) ||
+ (IO->NextState == eAbort) )
+ ShutDownCLient(IO);
+ else {
+ ev_io_start(event_base, &IO->send_event);
+ }
+ break;
+ case eSendFile:
+ if (IO->IOB.ChunkSendRemain > 0) {
+ ev_io_start(event_base, &IO->recv_event);
+ } else {
+ assert(IO->ReadDone);
+ IO->NextState = IO->ReadDone(IO);
+ switch(IO->NextState) {
+ case eSendDNSQuery:
+ case eReadDNSReply:
+ case eDBQuery:
+ case eConnect:
+ break;
+ case eSendReply:
+ case eSendMore:
+ case eSendFile:
+ ev_io_start(event_base, &IO->send_event);
+ break;
+ case eReadMessage:
+ case eReadMore:
+ case eReadPayload:
+ case eReadFile:
+ break;
+ case eTerminateConnection:
+ case eAbort:
+ break;
+ }
+ }
+ break;
+ case eSendReply:
+ if (StrBufCheckBuffer(&IO->SendBuf) != eReadSuccess)
+ break;
+ IO->NextState = eReadMore;
+ case eReadMore:
+ case eReadMessage:
+ case eReadPayload:
+ case eReadFile:
+ if (StrBufCheckBuffer(&IO->RecvBuf) == eBufferNotEmpty) {
+ HandleInbound(IO);
+ }
+ else {
+ ev_io_start(event_base, &IO->recv_event);
+ }
+
+ break;
+ case eDBQuery:
+ /* we now live in another queue, so we have to unregister. */
+ ev_cleanup_stop(loop, &IO->abort_by_shutdown);
+ break;
+ case eSendDNSQuery:
+ case eReadDNSReply:
+ case eConnect:
+ case eTerminateConnection:
+ case eAbort:
+ break;
+ }
+ }
+ else if (rc < 0) {
+ assert(IO->Timeout);
+ IO->Timeout(IO);
+ }
+ /* else : must write more. */
+}
+static void
+set_start_callback(struct ev_loop *loop, AsyncIO *IO, int revents)
+{
+
+ switch(IO->NextState) {
+ case eReadMore:
+ case eReadMessage:
+ case eReadFile:
+ ev_io_start(event_base, &IO->recv_event);
+ break;
+ case eSendReply:
+ case eSendMore:
+ case eReadPayload:
+ case eSendFile:
+ become_session(IO->CitContext);
+ IO_send_callback(loop, &IO->send_event, revents);
+ break;
+ case eDBQuery:
+ case eSendDNSQuery:
+ case eReadDNSReply:
+ case eConnect:
+ case eTerminateConnection:
+ case eAbort:
+ /// TODO: WHUT?
+ break;
}
- else if (rc > 0)
- return;
-// else
- ///abort!
}
+static void
+IO_Timeout_callback(struct ev_loop *loop, ev_timer *watcher, int revents)
+{
+ AsyncIO *IO = watcher->data;
+
+ ev_timer_stop (event_base, &IO->rw_timeout);
+ become_session(IO->CitContext);
+
+ if (IO->SendBuf.fd != 0)
+ {
+ ev_io_stop(event_base, &IO->send_event);
+ ev_io_stop(event_base, &IO->recv_event);
+ ev_timer_stop (event_base, &IO->rw_timeout);
+ close(IO->SendBuf.fd);
+ IO->SendBuf.fd = IO->RecvBuf.fd = 0;
+ }
+
+ assert(IO->Timeout);
+ switch (IO->Timeout(IO))
+ {
+ case eAbort:
+ ShutDownCLient(IO);
+ default:
+ break;
+ }
+}
static void
-IO_recv_callback(int fd, short event, void *ctx)
+IO_connfail_callback(struct ev_loop *loop, ev_timer *watcher, int revents)
{
- ssize_t nbytes;
- AsyncIO *IO = ctx;
+ AsyncIO *IO = watcher->data;
-// assert(fd == IO->sock);
-
-// assert(fd == sb->fd);
+ ev_timer_stop (event_base, &IO->conn_fail);
+
+ if (IO->SendBuf.fd != 0)
+ {
+ ev_io_stop(loop, &IO->conn_event);
+ ev_io_stop(event_base, &IO->send_event);
+ ev_io_stop(event_base, &IO->recv_event);
+ ev_timer_stop (event_base, &IO->rw_timeout);
+ close(IO->SendBuf.fd);
+ IO->SendBuf.fd = IO->RecvBuf.fd = 0;
+ }
+ become_session(IO->CitContext);
+
+ assert(IO->ConnFail);
+ switch (IO->ConnFail(IO))
+ {
+ case eAbort:
+ ShutDownCLient(IO);
+ default:
+ break;
+
+ }
+}
+
+static void
+IO_connfailimmediate_callback(struct ev_loop *loop, ev_idle *watcher, int revents)
+{
+ AsyncIO *IO = watcher->data;
+
+ ev_idle_stop (event_base, &IO->conn_fail_immediate);
+
+ if (IO->SendBuf.fd != 0)
+ {
+ close(IO->SendBuf.fd);
+ IO->SendBuf.fd = IO->RecvBuf.fd = 0;
+ }
+ become_session(IO->CitContext);
+
+ assert(IO->ConnFail);
+ switch (IO->ConnFail(IO))
+ {
+ case eAbort:
+ ShutDownCLient(IO);
+ default:
+ break;
- nbytes = StrBuf_read_one_chunk_callback(fd, event, &IO->RecvBuf);
+ }
+}
+
+static void
+IO_connestd_callback(struct ev_loop *loop, ev_io *watcher, int revents)
+{
+ AsyncIO *IO = watcher->data;
+
+ ev_io_stop(loop, &IO->conn_event);
+ ev_timer_stop (event_base, &IO->conn_fail);
+ set_start_callback(loop, IO, revents);
+}
+static void
+IO_recv_callback(struct ev_loop *loop, ev_io *watcher, int revents)
+{
+ const char *errmsg;
+ ssize_t nbytes;
+ AsyncIO *IO = watcher->data;
+
+ switch (IO->NextState) {
+ case eReadFile:
+ nbytes = FileRecvChunked(&IO->IOB, &errmsg);
+ if (nbytes < 0)
+ StrBufPlain(IO->ErrMsg, errmsg, -1);
+ else
+ {
+ if (IO->IOB.ChunkSendRemain == 0)
+ {
+ IO->NextState = eSendReply;
+ }
+ else
+ return;
+ }
+ break;
+ default:
+ nbytes = StrBuf_read_one_chunk_callback(watcher->fd, 0 /*TODO */, &IO->RecvBuf);
+ break;
+ }
+
+#ifdef BIGBAD_IODBG
+ {
+ int rv = 0;
+ char fn [SIZ];
+ FILE *fd;
+ const char *pch = ChrPtr(IO->RecvBuf.Buf);
+ const char *pchh = IO->RecvBuf.ReadWritePointer;
+ long nbytes;
+
+ if (pchh == NULL)
+ pchh = pch;
+
+ nbytes = StrLength(IO->RecvBuf.Buf) - (pchh - pch);
+ snprintf(fn, SIZ, "/tmp/foolog_ev_%s.%d",
+ ((CitContext*)(IO->CitContext))->ServiceName,
+ IO->SendBuf.fd);
+
+ fd = fopen(fn, "a+");
+ fprintf(fd, "Read: BufSize: %ld BufContent: [",
+ nbytes);
+ rv = fwrite(pchh, nbytes, 1, fd);
+ if (!rv) printf("failed to write debug to %s!\n", fn);
+ fprintf(fd, "]\n");
+
+
+ fclose(fd);
+ }
+#endif
if (nbytes > 0) {
HandleInbound(IO);
} else if (nbytes == 0) {
- /// TODO: this is a timeout??? sock_buff_invoke_free(sb, 0);
+ assert(IO->Timeout);
+
+ switch (IO->Timeout(IO))
+ {
+ case eAbort:
+ ShutDownCLient(IO);
+ default:
+ break;
+ }
return;
} else if (nbytes == -1) {
/// TODO: FD is gone. kick it. sock_buff_invoke_free(sb, errno);
+ EV_syslog(LOG_DEBUG,
+ "EVENT: Socket Invalid! %s \n",
+ strerror(errno));
+ ShutDownCLient(IO);
return;
}
}
-void IOReadNextLine(AsyncIO *IO, int timeout)
+void
+IO_postdns_callback(struct ev_loop *loop, ev_idle *watcher, int revents)
{
-
+ AsyncIO *IO = watcher->data;
+ EV_syslog(LOG_DEBUG, "event: %s\n", __FUNCTION__);
+ become_session(IO->CitContext);
+ assert(IO->DNS.Fail);
+ assert(IO->DNS.Query->PostDNS);
+ switch (IO->DNS.Query->PostDNS(IO))
+ {
+ case eAbort:
+ switch (IO->DNS.Fail(IO)) {
+ case eAbort:
+ ShutDownCLient(IO);
+ default:
+ break;
+ }
+ default:
+ break;
+ }
}
-void IOReadNextBLOB(AsyncIO *IO, int timeout, long size)
+
+eNextState EvConnectSock(AsyncIO *IO,
+ double conn_timeout,
+ double first_rw_timeout,
+ int ReadFirst)
{
+ int fdflags;
+ int rc = -1;
+
+ become_session(IO->CitContext);
+
+ if (ReadFirst) {
+ IO->NextState = eReadMessage;
+ }
+ else {
+ IO->NextState = eSendReply;
+ }
+
+ IO->SendBuf.fd = IO->RecvBuf.fd =
+ socket(
+ (IO->ConnectMe->IPv6)?PF_INET6:PF_INET,
+ SOCK_STREAM,
+ IPPROTO_TCP);
+
+ if (IO->SendBuf.fd < 0) {
+ EV_syslog(LOG_ERR,
+ "EVENT: socket() failed: %s\n",
+ strerror(errno));
+
+ StrBufPrintf(IO->ErrMsg,
+ "Failed to create socket: %s",
+ strerror(errno));
+ return eAbort;
+ }
+ fdflags = fcntl(IO->SendBuf.fd, F_GETFL);
+ if (fdflags < 0) {
+ EV_syslog(LOG_DEBUG,
+ "EVENT: unable to get socket flags! %s \n",
+ strerror(errno));
+ StrBufPrintf(IO->ErrMsg,
+ "Failed to get socket flags: %s",
+ strerror(errno));
+ return eAbort;
+ }
+ fdflags = fdflags | O_NONBLOCK;
+ if (fcntl(IO->SendBuf.fd, F_SETFL, fdflags) < 0) {
+ EV_syslog(
+ LOG_DEBUG,
+ "EVENT: unable to set socket nonblocking flags! %s \n",
+ strerror(errno));
+ StrBufPrintf(IO->ErrMsg,
+ "Failed to set socket flags: %s",
+ strerror(errno));
+ close(IO->SendBuf.fd);
+ IO->SendBuf.fd = IO->RecvBuf.fd = -1;
+ return eAbort;
+ }
+/* TODO: maye we could use offsetof() to calc the position of data...
+ * http://doc.dvgu.ru/devel/ev.html#associating_custom_data_with_a_watcher
+ */
+ ev_io_init(&IO->recv_event, IO_recv_callback, IO->RecvBuf.fd, EV_READ);
+ IO->recv_event.data = IO;
+ ev_io_init(&IO->send_event, IO_send_callback, IO->SendBuf.fd, EV_WRITE);
+ IO->send_event.data = IO;
+
+ ev_timer_init(&IO->conn_fail, IO_connfail_callback, conn_timeout, 0);
+ IO->conn_fail.data = IO;
+ ev_timer_init(&IO->rw_timeout, IO_Timeout_callback, first_rw_timeout,0);
+ IO->rw_timeout.data = IO;
+
+
+ /* Bypass it like this: IO->Addr.sin_addr.s_addr = inet_addr("127.0.0.1"); */
+/// ((struct sockaddr_in)IO->ConnectMe->Addr).sin_addr.s_addr = inet_addr("127.0.0.1");
+ if (IO->ConnectMe->IPv6)
+ rc = connect(IO->SendBuf.fd,
+ &IO->ConnectMe->Addr,
+ sizeof(struct sockaddr_in6));
+ else
+ rc = connect(IO->SendBuf.fd,
+ (struct sockaddr_in *)&IO->ConnectMe->Addr,
+ sizeof(struct sockaddr_in));
+
+ if (rc >= 0){
+ EVM_syslog(LOG_DEBUG, "connect() immediate success.\n");
+ set_start_callback(event_base, IO, 0);
+ ev_timer_start(event_base, &IO->rw_timeout);
+ return IO->NextState;
+ }
+ else if (errno == EINPROGRESS) {
+ EVM_syslog(LOG_DEBUG, "connect() have to wait now.\n");
+
+ ev_io_init(&IO->conn_event,
+ IO_connestd_callback,
+ IO->SendBuf.fd,
+ EV_READ|EV_WRITE);
+
+ IO->conn_event.data = IO;
+
+ ev_io_start(event_base, &IO->conn_event);
+ ev_timer_start(event_base, &IO->conn_fail);
+ return IO->NextState;
+ }
+ else {
+ ev_idle_init(&IO->conn_fail_immediate,
+ IO_connfailimmediate_callback);
+ IO->conn_fail_immediate.data = IO;
+ ev_idle_start(event_base, &IO->conn_fail_immediate);
+
+ EV_syslog(LOG_ERR, "connect() failed: %s\n", strerror(errno));
+ StrBufPrintf(IO->ErrMsg,
+ "Failed to connect: %s",
+ strerror(errno));
+ return IO->NextState;
+ }
+ return IO->NextState;
}
-void InitEventIO(AsyncIO *IO,
- void *pData,
- IO_CallBack ReadDone,
- IO_CallBack SendDone,
- IO_LineReaderCallback LineReader,
- int ReadFirst)
+void SetNextTimeout(AsyncIO *IO, double timeout)
{
- IO->Data = pData;
- IO->SendDone = SendDone;
- IO->ReadDone = ReadDone;
- IO->LineReader = LineReader;
-
- event_set(&IO->recv_event,
- IO->sock,
- EV_READ|EV_PERSIST,
- IO_recv_callback,
- IO);
+ IO->rw_timeout.repeat = timeout;
+ ev_timer_again (event_base, &IO->rw_timeout);
+}
- event_set(&IO->send_event,
- IO->sock,
- EV_WRITE|EV_PERSIST,
- IO_send_callback,
- IO);
+eNextState ReAttachIO(AsyncIO *IO,
+ void *pData,
+ int ReadFirst)
+{
+ IO->Data = pData;
+ become_session(IO->CitContext);
+ ev_cleanup_start(event_base, &IO->abort_by_shutdown);
if (ReadFirst) {
IO->NextState = eReadMessage;
- event_add(&IO->recv_event, NULL);
}
else {
IO->NextState = eSendReply;
}
+ set_start_callback(event_base, IO, 0);
+
+ return IO->NextState;
}
+void InitIOStruct(AsyncIO *IO,
+ void *Data,
+ eNextState NextState,
+ IO_LineReaderCallback LineReader,
+ IO_CallBack DNS_Fail,
+ IO_CallBack SendDone,
+ IO_CallBack ReadDone,
+ IO_CallBack Terminate,
+ IO_CallBack ConnFail,
+ IO_CallBack Timeout,
+ IO_CallBack ShutdownAbort)
+{
+ IO->Data = Data;
+
+ IO->CitContext = CloneContext(CC);
+ ((CitContext *)IO->CitContext)->session_specific_data = (char*) Data;
-#endif
+ IO->NextState = NextState;
+
+ IO->SendDone = SendDone;
+ IO->ReadDone = ReadDone;
+ IO->Terminate = Terminate;
+ IO->LineReader = LineReader;
+ IO->ConnFail = ConnFail;
+ IO->Timeout = Timeout;
+ IO->ShutdownAbort = ShutdownAbort;
+
+ IO->DNS.Fail = DNS_Fail;
+
+ IO->SendBuf.Buf = NewStrBufPlain(NULL, 1024);
+ IO->RecvBuf.Buf = NewStrBufPlain(NULL, 1024);
+ IO->IOBuf = NewStrBuf();
+
+}
+
+extern int evcurl_init(AsyncIO *IO);
+
+int InitcURLIOStruct(AsyncIO *IO,
+ void *Data,
+ const char* Desc,
+ IO_CallBack SendDone,
+ IO_CallBack Terminate,
+ IO_CallBack ShutdownAbort)
+{
+ IO->Data = Data;
+
+ IO->CitContext = CloneContext(CC);
+ ((CitContext *)IO->CitContext)->session_specific_data = (char*) Data;
+
+ IO->SendDone = SendDone;
+ IO->Terminate = Terminate;
+ IO->ShutdownAbort = ShutdownAbort;
+
+ strcpy(IO->HttpReq.errdesc, Desc);
+
+
+ return evcurl_init(IO);
+
+}
projects / citadel.git / blobdiff