Merge branch 'master' of ssh://askele.com/libsntl

v0.5.xx
Eugen Tarasov 10 years ago
commit 7b20352a4d

@ -16,6 +16,9 @@
#define MAX_RPC_LIST 512
#define MAX_RBBUF_LEN (65536 - sizeof(sntllv2_head_t))
#define MAX_SNTLLBUFSIZE 65536
#define MAX_RBBUF_LEN (MAX_SNTLLBUFSIZE - sizeof(sntllv2_head_t))
#define MAX_SNTLLTHREADS 8
#endif /* __SNTL_LIMITS_H__ */

@ -20,11 +20,13 @@
#include <sys/time.h>
#include <sys/types.h>
#include <fcntl.h>
#include <sched.h>
#include <tdata/usrtc.h>
#include <tdata/list.h>
#include <sexpr/sexp.h>
#include <sntl/limits.h>
#include <sntl/sntllv2.h>
#include "internal.h"
@ -100,9 +102,16 @@ static inline int __sxmsg_send(chnl_t *channel, const char *data, size_t datalen
/* ready to send it */
if(!pp) {
r = _sntll_writemsg(co, msg);
if(r != SNE_SUCCESS) goto __closemsg;
if(r != SNE_SUCCESS) {
__unpinmsg:
pthread_mutex_lock(&co->idx_msg_lock);
idx_free(&co->idx_msg, msgidx);
co->messages[msgidx] = NULL;
pthread_mutex_unlock(&co->idx_msg_lock);
goto __freemsg;
}
} else { /* postponed */
if(!(ppm = malloc(sizeof(ppmsg_t)))) { r = SNE_ENOMEM; goto __closemsg; }
if(!(ppm = malloc(sizeof(ppmsg_t)))) { r = SNE_ENOMEM; goto __unpinmsg; }
list_init_node(&ppm->node);
ppm->msg = msg;
@ -114,17 +123,17 @@ static inline int __sxmsg_send(chnl_t *channel, const char *data, size_t datalen
}
pthread_mutex_lock(&msg->wait); /* we will sleep here */
#if 0
while(pthread_mutex_trylock(&msg->wait)) {
//printf("here opcode = %d\n", head->opcode);
}
#endif
if(head->payload_length) {
*omsg = msg;
return head->opcode;
} else r = head->opcode;
__closemsg:
pthread_mutex_lock(&co->idx_msg_lock);
idx_free(&co->idx_msg, msgidx);
co->messages[msgidx] = NULL;
pthread_mutex_unlock(&co->idx_msg_lock);
__freemsg:
/* free resources for message */
pthread_mutex_unlock(&msg->wait);
@ -187,7 +196,7 @@ static inline int __sxmsg_reply(sxmsg_t *msg, const char *data,
if(!(co = ch->connection)) return SNE_FAILED;
/* test for blocking */
for(i = 0; i < 8; i++)
for(i = 0; i < MAX_SNTLLTHREADS; i++)
if(pthread_equal(self, co->thrd_poll[i])) return SNE_WOULDBLOCK;
/* prepare it */
@ -298,6 +307,7 @@ static inline int __sxmsg_return(sxmsg_t *msg, int opcode, int pp)
pthread_mutex_unlock(&co->idx_msg_lock);
r = _sntll_writemsg(co, msg);
free(msg);
} else {
if(!(ppm = malloc(sizeof(ppmsg_t)))) return SNE_ENOMEM;
else { /* remove it */

@ -40,6 +40,7 @@
#include <tdata/list.h>
#include <sexpr/sexp.h>
#include <sntl/limits.h>
#include <sntl/sntllv2.h>
#include "internal.h"
@ -195,6 +196,7 @@ int _sntll_writemsg(conn_t *co, sxmsg_t *msg)
sntllv2_head_t *head;
size_t rd;
int r;
char *buf = NULL;
if(!co || !msg) return SNE_FAILED;
@ -202,21 +204,25 @@ int _sntll_writemsg(conn_t *co, sxmsg_t *msg)
head = &msg->mhead;
if(head->payload_length && !msg->payload) return SNE_FAILED;
if(head->payload_length) {
buf = malloc(sizeof(sntllv2_head_t) + head->payload_length);
memcpy(buf, head, sizeof(sntllv2_head_t));
memcpy(buf + sizeof(sntllv2_head_t), msg->payload, head->payload_length);
}
/* write the head and payload if applicable */
pthread_mutex_lock(&co->sslinout[1]);
rd = __conn_write(co, head, sizeof(sntllv2_head_t));
if(!buf)
rd = __conn_write(co, head, sizeof(sntllv2_head_t));
else rd = __conn_write(co, buf, sizeof(sntllv2_head_t) + head->payload_length);
if(rd < 0) {
co->flags |= SNSX_CLOSED;
r = SNE_ESSL;
} else if(head->payload_length) {
rd = __conn_write(co, msg->payload, head->payload_length);
/* check up again */
if(rd < 0) { co->flags |= SNSX_CLOSED; r = SNE_ESSL; }
}
pthread_mutex_unlock(&co->sslinout[1]);
if(!(co->flags & SNSX_CLOSED)) r = SNE_SUCCESS;
if(buf) free(buf);
return r;
}
@ -312,7 +318,7 @@ int sntl_init(void)
SSL_library_init();
OpenSSL_add_all_algorithms();
SSL_load_error_strings();
//SSL_load_error_strings();
ex_ssldata_index = SSL_get_ex_new_index(0, "__ssldata index", NULL, NULL, NULL);
@ -442,7 +448,7 @@ static int __eval_syssexp(conn_t *co, sexp_t *sx)
static void __connection_destroy(conn_t *co)
{
int i = 0;
int i = 0, fd;
sxmsg_t *msg, *omsg;
ppmsg_t *ppm;
list_node_t *iter, *siter;
@ -473,24 +479,26 @@ static void __connection_destroy(conn_t *co)
pthread_mutex_unlock(&co->write_pending_lock);
}
/* go thru messages */
pthread_mutex_lock(&co->idx_msg_lock);
for(i = 0; i < 1024; i++) {
msg = co->messages[i];
if(!msg) continue;
else head = &msg->mhead;
head->opcode = SNE_LINKERROR;
pthread_mutex_unlock(&msg->wait);
co->messages[i] = NULL;
idx_free(&co->idx_msg, i);
}
pthread_mutex_unlock(&co->idx_msg_lock);
/* update use count */
_CONN_NOTINUSE(co);
/* ok, let's free other if we can */
if(!_CONN_UCOUNT(co)) {
/* go thru messages */
pthread_mutex_lock(&co->idx_msg_lock);
for(i = 0; i < 1024; i++) {
msg = co->messages[i];
if(!msg) continue;
else head = &msg->mhead;
head->opcode = SNE_LINKERROR;
pthread_mutex_unlock(&msg->wait);
pthread_mutex_destroy(&msg->wait);
free(msg);
co->messages[i] = NULL;
idx_free(&co->idx_msg, i);
}
pthread_mutex_unlock(&co->idx_msg_lock);
/* ok now we will free the channels */
pthread_mutex_lock(&co->idx_ch_lock);
for(i = 0; i < 512; i++) {
@ -506,9 +514,10 @@ static void __connection_destroy(conn_t *co)
if(co->pctx->passwd) free(co->pctx->passwd);
SSL_shutdown(co->ssl);
close(SSL_get_fd(co->ssl));
fd = SSL_get_fd(co->ssl);
SSL_free(co->ssl);
SSL_CTX_free(co->ctx);
close(fd);
__connection_second_free(co);
__connection_minimal_free(co);
}
@ -533,7 +542,9 @@ static void *__sntll_thread(void *b)
int dispatch = 0, e;
size_t rd, wr;
ulong_t mid;
#ifdef _PERFPROFILE
struct timeval beg, end;
#endif
/* byte buffer is following head */
bbuf += sizeof(sntllv2_head_t);
@ -549,7 +560,7 @@ static void *__sntll_thread(void *b)
/* check up a thread */
if(pthread_equal(self, co->thrd_poll[7])) /* dispatcher */
dispatch = 1;
dispatch = 0;
/* update use count */
_CONN_INUSE(co);
@ -595,11 +606,23 @@ static void *__sntll_thread(void *b)
pthread_mutex_unlock(&(co->sslinout[0]));
goto __finish;
}
#ifdef _PERFPROFILE
gettimeofday(&beg, NULL);
#endif
rd = __conn_read(co, mhead, sizeof(sntllv2_head_t));
#ifdef _PERFPROFILE
gettimeofday(&end, NULL);
if((end.tv_sec - beg.tv_sec) > 0) {
printf("connread(head) Seconds: %ld ", end.tv_sec - beg.tv_sec);
printf("µS: %ld\n", end.tv_usec + (1000000 - beg.tv_usec));
} else printf("connread(head) µS: %ld\n", end.tv_usec - beg.tv_usec);
#endif
#ifdef _VERBOSE_DEBUG
dumphead(mhead);
#endif
if(rd != sizeof(sntllv2_head_t)) {
if(rd < 0) {
__sslproto_error:
co->flags |= SNSX_CLOSED;
pthread_mutex_unlock(&(co->sslinout[0]));
@ -607,9 +630,21 @@ static void *__sntll_thread(void *b)
} else {
/* check up if we can read or not */
if(mhead->payload_length) {
#ifdef _PERFPROFILE
gettimeofday(&beg, NULL);
#endif
rd = __conn_read(co, bbuf, mhead->payload_length);
if(rd < 0) goto __sslproto_error;
#ifdef _PERFPROFILE
gettimeofday(&end, NULL);
if((end.tv_sec - beg.tv_sec) > 0) {
printf("connread(payload) Seconds: %ld ", end.tv_sec - beg.tv_sec);
printf("µS: %ld\n", end.tv_usec + (1000000 - beg.tv_usec));
} else printf("connread(payload) µS: %ld\n", end.tv_usec - beg.tv_usec);
#endif
if(rd == -1) goto __sslproto_error;
else pthread_mutex_unlock(&(co->sslinout[0]));
if(rd != mhead->payload_length) {
mid = mhead->msgid;
/* if we're need to do something */
@ -617,9 +652,9 @@ static void *__sntll_thread(void *b)
mhead->opcode = SNE_INVALINDEX;
goto __return_error;
} else {
pthread_mutex_lock(&co->idx_msg_lock);
// pthread_mutex_lock(&co->idx_msg_lock);
msg = co->messages[mid];
pthread_mutex_unlock(&co->idx_msg_lock);
//thread_mutex_unlock(&co->idx_msg_lock);
}
if(!msg) {
if(mhead->attr & SXMSG_OPEN) mhead->opcode = SNE_BADPROTO;
@ -662,9 +697,9 @@ static void *__sntll_thread(void *b)
goto __again;
}
mid = mhead->msgid;
pthread_mutex_lock(&co->idx_msg_lock);
//hread_mutex_lock(&co->idx_msg_lock);
msg = co->messages[mid];
pthread_mutex_unlock(&co->idx_msg_lock);
//hread_mutex_unlock(&co->idx_msg_lock);
if(!msg) goto __inval_idx_nor;
/* ok now we'are copy data and unlock wait mutex */
@ -732,6 +767,7 @@ static void *__sntll_thread(void *b)
pthread_mutex_unlock(&co->idx_msg_lock); goto __inval_idx_nor; }
/* message dialog is closed - remove this right now */
idx_free(&co->idx_msg, mid);
co->messages[mid] = NULL;
pthread_mutex_unlock(&co->idx_msg_lock);
@ -944,7 +980,7 @@ conn_t *connection_master_link(conn_sys_t *ssys, int sck, struct in_addr *addr)
bundle->conn = co;
}
int i;
for(i = 0; i < 8; i++) {
for(i = 0; i < MAX_SNTLLTHREADS; i++) {
if(bundle == (void *)0xdead) bundle = __sntll_bundle_create(co);
if(!bundle) goto __fail5;
r = pthread_create(&co->thrd_poll[i], NULL, __sntll_thread, bundle);
@ -1145,7 +1181,6 @@ conn_t *connection_link(conn_sys_t *ssys, const char *host,
head->payload_length = 0;
wr = __conn_write(co, head, sizeof(sntllv2_head_t));
if(wr < 0) {
blub("fuck");
r = SNE_LINKERROR; goto __fail2;}
if(r != SNE_SUCCESS) { r = SNE_LINKERROR; goto __fail2;}
}
@ -1164,7 +1199,7 @@ conn_t *connection_link(conn_sys_t *ssys, const char *host,
bundle->buf = buf;
bundle->conn = co;
}
for(i = 0; i < 8; i++) {
for(i = 0; i < MAX_SNTLLTHREADS; i++) {
if(bundle == (void *)0xdead) bundle = __sntll_bundle_create(co);
if(!bundle) goto __fail5;
r = pthread_create(&co->thrd_poll[i], NULL, __sntll_thread, bundle);

@ -15,19 +15,28 @@ libsntl = ../lib/.libs/libsntl.la
if !BUILD_WIN32
bin_PROGRAMS = lv2sd lv2sc
bin_PROGRAMS = lv2sd lv2sc lv2ftpd lv2ftpc
lv2sd_SOURCES = lv2sd.c
lv2sd_LDADD = $(LIBTDATA_LIBS) $(LIBSEXPR_LIBS) $(OPENSSL_LIBS) \
$(LIBUUID_LIBS) $(libsntl)
$(LIBUUID_LIBS) $(libsntl) -lpthread
lv2sc_SOURCES = lv2sc.c
lv2sc_LDADD = $(LIBTDATA_LIBS) $(LIBSEXPR_LIBS) $(OPENSSL_LIBS) \
$(LIBUUID_LIBS) $(libsntl)
$(LIBUUID_LIBS) $(libsntl) -lpthread
lv2ftpd_SOURCES = lv2ftpd.c
lv2ftpd_LDADD = $(LIBTDATA_LIBS) $(LIBSEXPR_LIBS) $(OPENSSL_LIBS) \
$(LIBUUID_LIBS) $(libsntl) -lpthread
lv2ftpc_SOURCES = lv2ftpc.c
lv2ftpc_LDADD = $(LIBTDATA_LIBS) $(LIBSEXPR_LIBS) $(OPENSSL_LIBS) \
$(LIBUUID_LIBS) $(libsntl) -lpthread
else BUILD_WIN32
bin_PROGRAMS = lv2sc
bin_PROGRAMS = lv2sc
lv2sc_SOURCES = lv2sc.c
lv2sc_LDADD = $(LIBTDATA_LIBS) $(LIBSEXPR_LIBS) $(OPENSSL_LIBS) \

@ -1,19 +1,348 @@
/*
* Secure Network Transport Layer Library v2 implementation.
* (sntllv2) it superseed all versions before due to the:
* - memory consumption
* - new features such as pulse emitting
* - performance optimization
*
* This is a proprietary software. See COPYING for further details.
*
* (c) Askele Group 2013-2015 <http://askele.com>
*
*/
#include <stdio.h>
#define __USE_GNU
#include <stdlib.h>
#include <stdarg.h>
#include <sys/types.h>
#include <pthread.h>
#include <stdint.h>
#include <getopt.h>
#include <errno.h>
#include <assert.h>
#include <time.h>
#ifdef WIN32
#include <Winsock2.h>
#include <signal.h>
#else
#include <sys/select.h>
#include <sys/wait.h>
#include <sys/socket.h>
#include <sys/resource.h>
#include <netdb.h>
#include <unistd.h>
#include <uuid/uuid.h>
#include <execinfo.h>
#include <netinet/in.h>
#endif
#include <tdata/usrtc.h>
#include <sexpr/sexp.h>
#include <sntl/sntllv2.h>
#include <sntl/limits.h>
#define DEBUG
#define FREE(x) { if (x) { free(x); x = NULL; } }
/* define a little bit */
#define DEFAULT_PORT 13133
#define CHANNEL_COUNT 200
#define CLIENT_COUNT 256
#define MESSAGES_PER_SESSION 10000
#define ITERATION_COUNT 1000
#define FAILS_ONLY
struct testdata {
int uc;
pthread_mutex_t ulock;
conn_t *co;
};
static int __init_testdata(struct testdata *t, conn_t *co)
{
t->uc = 0;
pthread_mutex_init(&t->ulock, NULL);
t->co = co;
return 0;
}
static void __wait_completion(struct testdata *t)
{
pthread_mutex_lock(&t->ulock);
if(t->uc) {
pthread_mutex_lock(&t->ulock);
}
return;
}
static int __set_typed_list_callback(conn_t *co, int ch, char *desc)
{
printf("allowed channel %d (%s)\n", ch, desc);
return SNE_SUCCESS;
}
static void *__addsthrd(void *a)
{
struct testdata *t = a;
conn_t *co = t->co;
chnl_t *mch;
sxmsg_t *msg;
char mmbuf[1024];
size_t ln;
int mr, i;
pthread_mutex_lock(&t->ulock);
t->uc++;
pthread_mutex_unlock(&t->ulock);
/* here we go */
mch = sxchannel_open(co, 12);
if(!mch) {
fprintf(stderr, "Failed to openchannel with %d\n", errno);
goto __fini;
}
for(i = 0; i < MESSAGES_PER_SESSION; i++) {
ln = snprintf(mmbuf, 1024, "(ar-add (10 10))");
mr = sxmsg_send(mch, mmbuf, ln, &msg);
switch(mr) {
case SNE_RAPIDMSG:
//fprintf(stdout, "Rapidly replied: %s\n", (char *)sxmsg_payload(msg));
sxmsg_clean(msg);
break;
case SNE_REPLYREQ:
if(sxmsg_datalen(msg)) fprintf(stdout, "Replied (confirmation required): %s\n",
(char *)sxmsg_payload(msg));
mr = sxmsg_return(msg, SNE_SUCCESS);
fprintf(stderr, "mr = %d\n", mr);
break;
case SNE_SUCCESS:
fprintf(stdout, "Success.\n");
break;
default:
fprintf(stderr, "ERROR: %d\n", mr);
break;
}
}
sxchannel_close(mch);
__fini:
t->uc--;
if(t->uc <= 1) pthread_mutex_unlock(&t->ulock);
return NULL;
}
int msg_send(chnl_t *ch, const char *mmbuf, size_t buflen, sxmsg_t *msg, char **rs)
{
#ifdef DEBUG
printf("%s: got sx '%s'\n", __FUNCTION__, mmbuf);
#endif /* DEBUG */
int mr = sxmsg_send(ch, mmbuf, buflen, &msg);
switch(mr) {
case SNE_RAPIDMSG:
if (rs) *rs = strdup((char *)sxmsg_payload(msg));
fprintf(stdout, "Rapidly replied: '%s'\n", (char *)sxmsg_payload(msg));
sxmsg_clean(msg);
break;
case SNE_REPLYREQ:
if(sxmsg_datalen(msg)) fprintf(stdout, "Replied (confirmation required): %s\n",
(char *)sxmsg_payload(msg));
mr = sxmsg_return(msg, SNE_SUCCESS);
fprintf(stderr, "mr = %d\n", mr);
break;
case SNE_SUCCESS:
fprintf(stdout, "Success.\n");
break;
default:
fprintf(stderr, "ERROR: %d\n", mr);
break;
}
#ifdef DEBUG
// printf("%s: got rs %d\n", __FUNCTION__, mr);
#endif /* DEBUG */
return mr;
}
int main(int argc, char **argv)
{
char *rootca = NULL, *cert = NULL;
int port = DEFAULT_PORT;
char *addr = NULL, *login = NULL, *password = NULL;
int opt;
conn_sys_t *ssys;
conn_t *co;
while((opt = getopt(argc, argv, "p:r:a:u:l:w:")) != -1) {
switch(opt) {
case 'p':
port = atoi(optarg);
break;
case 'r':
rootca = strdup(optarg);
break;
case 'a':
addr = strdup(optarg);
break;
case 'u':
cert = strdup(optarg);
break;
case 'l':
login = strdup(optarg);
break;
case 'w':
password = strdup(optarg);
break;
default:
fprintf(stderr, "usage: %s [-p <PORTNUM>] -r <PATH to Root CA> -a <Server ip address> -u <PATH"
" to SSL certificate> -l <User login> -w <User password>\n", argv[0]);
return EINVAL;
}
}
if(!rootca) {
fprintf(stderr, "Root CA not pointed.\n Failure.\n");
return EINVAL;
}
if(!addr) {
fprintf(stderr, "Server address not pointed.\n Failure.\n");
return EINVAL;
}
if(!cert) {
fprintf(stderr, "User certificate not pointed.\n Failure.\n");
return EINVAL;
}
if(!login) {
fprintf(stderr, "User login not pointed.\n Failure.\n");
return EINVAL;
}
if(!password) {
fprintf(stderr, "User password not pointed.\n Failure.\n");
return EINVAL;
}
sntl_init();
/* all is fine let's init connection subsystem */
ssys = connections_create();
if(!ssys) {
fprintf(stderr, "Subsystem init failed: %d\n", errno);
return errno;
}
/* set working certificates */
opt = connections_setsslserts(ssys, rootca, cert, cert);
if(opt) {
fprintf(stderr, "Subsystem init failed (set SSL x.509 pems): %d\n", opt);
return opt;
}
/* Tests */
struct timeval beg, end;
/* try to open connection */
connections_set_channelcall(ssys, __set_typed_list_callback);
gettimeofday(&beg, NULL);
co = connection_link(ssys, addr, port, cert, login, password);
if(!co) {
fprintf(stderr, "Failed to connection with %d\n", errno);
return errno;
}
gettimeofday(&end, NULL);
if((end.tv_sec - beg.tv_sec) > 0) {
printf("Seconds: %ld ", end.tv_sec - beg.tv_sec);
printf("µS: %ld\n", end.tv_usec + (1000000 - beg.tv_usec));
} else printf("µS: %ld\n", end.tv_usec - beg.tv_usec);
/* ok now we should open a channel */
chnl_t *testchannel = sxchannel_open(co, 12);
if(!testchannel) {
fprintf(stderr, "Failed to openchannel with %d\n", errno);
return errno;
}
gettimeofday(&end, NULL);
if((end.tv_sec - beg.tv_sec) > 0) {
printf("Seconds: %ld ", end.tv_sec - beg.tv_sec);
printf("µS: %ld\n", end.tv_usec + (1000000 - beg.tv_usec));
} else printf("µS: %ld\n", end.tv_usec - beg.tv_usec);
/* ok, send a message */
char mmbuf[1024];
char *s_ret = NULL;
sxmsg_t *msg = NULL;
size_t ln;
int mr, ee, stid;
sexp_t *sx_ret = NULL;
ln = snprintf(mmbuf, 1024, "(dir-open \".\")");
mr = msg_send(testchannel, mmbuf, ln, msg, &s_ret);
if (mr != SNE_RAPIDMSG) goto __finish;
sx_ret = parse_sexp(s_ret, strlen(s_ret));
FREE(s_ret);
if (!sx_ret || !sx_ret->list || strcmp(sx_ret->list->val, "dir-stream") ||
!sx_ret->list->next || !sx_ret->list->next->val)
goto __finish;
stid = atoi(sx_ret->list->next->val);
ln = snprintf(mmbuf, 1024, "(dir-read %d)", stid);
while (1) {
mr = msg_send(testchannel, mmbuf, ln, msg, &s_ret);
if (mr != SNE_RAPIDMSG) goto __finish;
sx_ret = parse_sexp(s_ret, strlen(s_ret));
if (!sx_ret || !sx_ret->list || !sx_ret->list->val)
goto __finish;
if (!strcmp(sx_ret->list->val, "dir-end")) {
ln = snprintf(mmbuf, 1024, "(dir-close %d)", stid);
mr = msg_send(testchannel, mmbuf, ln, msg, &s_ret);
break;
}
#ifdef DEBUG
printf("%s: '%s'\n", __FUNCTION__, s_ret);
#endif /* DEBUG */
FREE(s_ret);
}
// switch(mr) {
// case SNE_RAPIDMSG:
// fprintf(stdout, "Rapidly replied: %s\n", (char *)sxmsg_payload(msg));
// sxmsg_clean(msg);
// break;
// case SNE_REPLYREQ:
// if(sxmsg_datalen(msg)) fprintf(stdout, "Replied (confirmation required): %s\n",
// (char *)sxmsg_payload(msg));
// mr = sxmsg_return(msg, SNE_SUCCESS);
// fprintf(stderr, "mr = %d\n", mr);
// break;
// case SNE_SUCCESS:
// fprintf(stdout, "Success.\n");
// break;
// default:
// fprintf(stderr, "ERROR: %d\n", mr);
// break;
// }
__finish:
ee = sxchannel_close(testchannel);
printf("ee = %d\n", ee);
gettimeofday(&end, NULL);
if((end.tv_sec - beg.tv_sec) > 0) {
printf("Seconds: %ld ", end.tv_sec - beg.tv_sec);
printf("µS: %ld\n", end.tv_usec + (1000000 - beg.tv_usec));
} else printf("µS: %ld\n", end.tv_usec - beg.tv_usec);
// sleep(10);
// /* ok, now we need to create many threads */
// struct testdata trd;
// pthread_t thrd;
// int i;
// __init_testdata(&trd, co);
// for(i = 0; i < 256; i++) pthread_create(&thrd, NULL, __addsthrd, &trd);
// __wait_completion(&trd);
connection_close(co);
return 0;
}

@ -11,9 +11,450 @@
*
*/
#include <stdio.h>
#include <dirent.h>
#define __USE_GNU
#include <stdlib.h>
#include <stdarg.h>
#include <sys/types.h>
#include <limits.h>
#ifdef WIN32
#include <Winsock2.h>
#include <signal.h>
#include <ws2tcpip.h>
#else
#include <sys/select.h>
#include <sys/wait.h>
#include <sys/socket.h>
#include <sys/resource.h>
#include <netdb.h>
#include <unistd.h>
#include <uuid/uuid.h>
#include <execinfo.h>
#include <netinet/in.h>
#endif
#include <tdata/usrtc.h>
#include <sexpr/sexp.h>
#include <sntl/limits.h>
#include <sntl/sntllv2.h>
#include <pthread.h>
// #include <unistd.h>
#include <stdint.h>
#include <getopt.h>
#include <errno.h>
#define DEBUG
#define FREE(x) { if (x) { free(x); x = NULL; } }
#define MAX_STREAMS INT_MAX
typedef struct __datastream_type {
int dsid;
usrtc_node_t node;
// readdir_r
DIR *dp;
struct dirent dent;
struct dirent *dres;
} datastream_t;
usrtc_t *_rd_streams;
int _rd_last_id = 0;
pthread_rwlock_t _lock;
/* helper functions */
static long __cmp_int(const void *a, const void *b)
{
return *(int *)a - *(int *)b;
}
inline void dump_dirent(struct dirent *d, char *buf)
{
if (d == NULL) return;
strcat(buf, "\"");
strcat(buf, d->d_name);
strcat(buf, "\" ");
switch(d->d_type)
{
case DT_REG:
strcat(buf, "\"regular\"");
break;
case DT_DIR:
strcat(buf, "\"directory\"");
break;
case DT_BLK:
strcat(buf, "\"block\"");
break;
case DT_CHR:
strcat(buf, "\"char\"");
break;
case DT_FIFO:
strcat(buf, "\"fifo\"");
break;
case DT_LNK:
strcat(buf, "\"link\"");
break;
case DT_UNKNOWN:
strcat(buf, "\"unknown\"");
break;
default:
strcat(buf, "\"another\"");
break;
}
}
int __openlistener(int port)
{
int sd;
struct sockaddr_in addr;
sd = socket(PF_INET, SOCK_STREAM, 0);
bzero(&addr, sizeof(addr));
addr.sin_family = AF_INET;
addr.sin_port = htons(port);
addr.sin_addr.s_addr = INADDR_ANY;
if ( bind(sd, (struct sockaddr*)&addr, sizeof(addr)) != 0 ) {
perror("can't bind port");
abort();
}
if ( listen(sd, 10) != 0 ) {
perror("Can't configure listening port");
abort();
}
return sd;
}
/*
* Validation of the SSL certificate
* this function must be exist.
*/
static int __validate_sslpem(conn_t *co)
{
return 0;
}
/*
* validate - authorize user with password
*/
static int __secure_check(conn_t *co)
{
return SNE_SUCCESS;
}
/*
* typed list callback
*/
static int __set_typed_list_callback(conn_t *co, int ch, char *desc)
{
printf("allowed channel %d (%s)\n", ch, desc);
return SNE_SUCCESS;
}
/* list of rpc calls functions */
usrtc_t *fulist;
/* our fake */
usrtc_t *__rettlist(conn_t *c)
{
return fulist;
}
/* RPC functions implementation */
static int __dir_open(void *m, sexp_t *sx)
{
sexp_t *lsx = NULL;
sxmsg_t *msg = (sxmsg_t *)m;
char *buf;
size_t ln = 0;
#ifdef DEBUG
char dbuf[2048];
print_sexp(dbuf, sizeof(dbuf), sx);
printf("%s: got sx '%s'\n", __FUNCTION__, dbuf);
#endif /* DEBUG */
if(sexp_list_cdr(sx, &lsx) || !sx->list->next || !sx->list->next->val) {
printf("Invalid protocol\n");
return sxmsg_return(msg, SNE_BADPROTO);
}
char *dir_name = strdup(sx->list->next->val);
if ( usrtc_isfull(_rd_streams) ) {
return sxmsg_return(msg, SNE_TOOLONG);
}
datastream_t *item;
if ( !(item = malloc(sizeof(datastream_t))) ) {
return sxmsg_return(msg, SNE_ENOMEM);
}
/* find free id */
pthread_rwlock_wrlock(&_lock);
do {
if (_rd_last_id == INT_MAX)
_rd_last_id = 1;
else
++_rd_last_id;
} while (usrtc_lookup(_rd_streams, &_rd_last_id));
/* create rd stream */
DIR *dp = NULL;
if ( !(dp = opendir(dir_name)) ) {
pthread_rwlock_unlock(&_lock);
FREE(item);
FREE(dir_name);
return sxmsg_return(msg, SNE_FAILED);
}
FREE(dir_name);
/* init stream */
item->dsid = _rd_last_id;
item->dp = dp;
item->dres = NULL;
usrtc_node_init(&(item->node), item);
usrtc_insert(_rd_streams, &(item->node), &item->dsid);
buf = sxmsg_rapidbuf(msg);
ln = snprintf(buf, MAX_RBBUF_LEN, "(dir-stream %d)", item->dsid);
pthread_rwlock_unlock(&_lock);
#ifdef DEBUG
printf("%s: stream %d has been opened\n", __FUNCTION__, item->dsid);
#endif /* DEBUG */
return sxmsg_rreply(msg, ln + 1);
}
static int __dir_read(void *m, sexp_t *sx)
{
sexp_t *lsx = NULL;
sxmsg_t *msg = (sxmsg_t *)m;
char *buf;
size_t ln = 0;
int stid = -1;
#ifdef DEBUG
char dbuf[2048];
print_sexp(dbuf, sizeof(dbuf), sx);
printf("%s: got sx '%s'\n", __FUNCTION__, dbuf);
#endif /* DEBUG */
if (sexp_list_cdr(sx, &lsx) || !sx->list->next || !sx->list->next->val
|| (0 >= (stid = atoi(sx->list->next->val) )) )
{
printf("Invalid protocol\n");
return sxmsg_return(msg, SNE_BADPROTO);
}
/* get stream item */
datastream_t *item;
usrtc_node_t *node;
pthread_rwlock_rdlock(&_lock);
if ( !(node = usrtc_lookup(_rd_streams, &stid)) ) {
pthread_rwlock_unlock(&_lock);
return sxmsg_return(msg, SNE_INVALINDEX);
}
pthread_rwlock_unlock(&_lock);
pthread_rwlock_wrlock(&_lock);
item = usrtc_node_getdata(node);
if (readdir_r(item->dp, &(item->dent), &(item->dres))) {
#ifdef DEBUG
printf("%s: readdir_r() is failed (%d)\n", __FUNCTION__, errno);
#endif /* DEBUG */
pthread_rwlock_unlock(&_lock);
return sxmsg_return(msg, SNE_FAILED);
}
if (!item->dres) {
buf = sxmsg_rapidbuf(msg);
ln = snprintf(buf, MAX_RBBUF_LEN, "(dir-end %d)", item->dsid);
goto __finish;
}
char dump[2048];
sprintf(dump, "(dir-entry (");
dump_dirent(item->dres, dump);
strcat(dump, "))");
#ifdef DEBUG
printf("%s: dump = '%s'\n", __FUNCTION__, dump);
#endif /* DEBUG */
buf = sxmsg_rapidbuf(msg);
ln = snprintf(buf, MAX_RBBUF_LEN, "%s", dump);
__finish:
pthread_rwlock_unlock(&_lock);
return sxmsg_rreply(msg, ln + 1);
}
static int __dir_close(void *m, sexp_t *sx)
{
sexp_t *lsx = NULL;
sxmsg_t *msg = (sxmsg_t *)m;
int stid = -1;
#ifdef DEBUG
char dbuf[2048];
print_sexp(dbuf, sizeof(dbuf), sx);
printf("%s: got sx '%s'\n", __FUNCTION__, dbuf);
#endif /* DEBUG */
if (sexp_list_cdr(sx, &lsx) || !sx->list->next || !sx->list->next->val
|| (0 >= (stid = atoi(sx->list->next->val) )) )
{
printf("Invalid protocol\n");
return sxmsg_return(msg, SNE_BADPROTO);
}
/* get stream item */
datastream_t *item;
usrtc_node_t *node;
pthread_rwlock_rdlock(&_lock);
if ( !(node = usrtc_lookup(_rd_streams, &stid)) ) {
pthread_rwlock_unlock(&_lock);
return sxmsg_return(msg, ENOENT);
}
pthread_rwlock_unlock(&_lock);
pthread_rwlock_wrlock(&_lock);
item = usrtc_node_getdata(node);
closedir(item->dp);
usrtc_delete(_rd_streams, node);
FREE(item);
pthread_rwlock_unlock(&_lock);
#ifdef DEBUG
printf("%s: stream %d has been closed\n", __FUNCTION__, stid);
#endif /* DEBUG */
return sxmsg_return(msg, SNE_SUCCESS);
}
/* define a little bit */
#define DEFAULT_PORT 13133
static void sigpipe_handler(int a)
{
return;
}
int main(int argc, char **argv)
{
signal(SIGPIPE, SIG_IGN);
char *rootca = NULL, *cert = NULL;
conn_sys_t *ssys = connections_create();
int port = DEFAULT_PORT;
int opt;
while((opt = getopt(argc, argv, "p:r:u:")) != -1) {
switch(opt) {
case 'p':
port = atoi(optarg);
break;
case 'r':
rootca = strdup(optarg);
break;
case 'u':
cert = strdup(optarg);
break;
default:
fprintf(stderr, "usage: %s [-p <PORTNUM>] -r <PATH to Root CA> -u <PATH"
" to SSL certificate>\n", argv[0]);
return EINVAL;
}
}
if(!rootca) {
fprintf(stderr, "Root CA not pointed.\n Failure.\n");
return EINVAL;
}
if(!cert) {
fprintf(stderr, "User certificate not pointed.\n Failure.\n");
return EINVAL;
}
sntl_init();
/* all is fine let's init connection subsystem */
if(!ssys) {
fprintf(stderr, "Subsystem init failed: %d\n", opt);
return 2;
}
/* set wroking certificates */
opt = connections_setsslserts(ssys, rootca, cert, cert);
if(opt) {
fprintf(stderr, "Subsystem init failed (set SSL x.509 pems): %d\n", opt);
return opt;
}
/* clean up */
free(rootca);
free(cert);
/* set important callbacks to do the security checking */
connections_set_authcheck(ssys, __secure_check);
connections_set_sslvalidate(ssys, __validate_sslpem);
/* set a callback, it's optional and doesn't required in server side apps */
connections_set_channelcall(ssys, __set_typed_list_callback);
/* ok, now we need to construct RPC lists (channels) */
if(!(fulist = malloc(sizeof(usrtc_t)))) {
fprintf(stderr, "Cannot allocate memory for RPC lists\n Failure.\n");
return ENOMEM;
}
opt = sntl_rpclist_init(fulist);
if(opt) {
fprintf(stderr, "Failed to init rpc list\n Failure.\n");
return opt;
}
/* we will add one channel with type id 12 "Demo rpc list" */
opt = sntl_rpclist_add(fulist, 12, "Demo RPC list", NULL);
if(opt) {
fprintf(stderr, "Failed to add typed RPC channel\n Failure.\n");
return opt;
}
/* ok, let's add stream functions */
opt = sntl_rpclist_add_function(fulist, 12, "dir-open", __dir_open);
if(opt) {
__fail:
fprintf(stderr, "Failed to add functions to typed RPC channel\n Failure.\n");
return opt;
}
opt = sntl_rpclist_add_function(fulist, 12, "dir-read", __dir_read);
if(opt) goto __fail;
opt = sntl_rpclist_add_function(fulist, 12, "dir-close", __dir_close);
if(opt) goto __fail;
/* ok, setup it */
connections_set_rpcvalidator(ssys, __rettlist);
/* create stream tree */
if(!(_rd_streams = malloc(sizeof(usrtc_t)) ))
return ENOMEM;
usrtc_init(_rd_streams, USRTC_REDBLACK, MAX_STREAMS, __cmp_int);
/* now we're ready to run the listen process */
int srv = __openlistener(port);
while(1) {
struct sockaddr_in addr;
socklen_t len = sizeof(addr);
conn_t *co;
int client = accept(srv, (struct sockaddr*)&addr, &len); /* accept connection as usual */
co = connection_master_link(ssys, client, NULL); /* create connection, that's all */
if(!co) {
fprintf(stderr, "Cannot create connetion (%d)\n", opt);
}
}
return 0;
}

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