#include <sys/socket.h>
#include <sys/select.h>
#include <sys/ioctl.h>
+#ifdef __TIZENRT__
+#include <tinyara/config.h>
+#include <poll.h>
+#else
#include <sys/poll.h>
+#endif
#include <stdio.h>
#include <unistd.h>
#include <fcntl.h>
#include "caipnwmonitor.h"
#include <coap/pdu.h>
#include "caadapterutils.h"
-#include "camutex.h"
+#include "octhread.h"
#include "oic_malloc.h"
#ifdef __WITH_TLS__
/**
* Logging tag for module name.
*/
-#define TAG "OIC_CA_TCP_SERVER"
+//#define TAG "OIC_CA_TCP_SERVER"
+#define TAG TCP_SERVER_TAG
/**
* Maximum CoAP over TCP header length
#define TLS_HEADER_SIZE 5
/**
+ * Max Connection Counts.
+ */
+#define MAX_CONNECTION_COUNTS 500
+
+#define COAP_TCP_MAX_BUFFER_CHUNK_SIZE 65530 //64kb - 6 (coap+tcp max header size)
+
+/**
+ * Thread pool.
+ */
+static ca_thread_pool_t g_threadPool = NULL;
+
+/**
* Mutex to synchronize device object list.
*/
-static ca_mutex g_mutexObjectList = NULL;
+static oc_mutex g_mutexObjectList = NULL;
/**
* Conditional mutex to synchronize.
*/
-static ca_cond g_condObjectList = NULL;
+static oc_cond g_condObjectList = NULL;
/**
* Maintains the callback to be notified when data received from remote device.
*/
static CATCPConnectionHandleCallback g_connectionCallback = NULL;
-static CAResult_t CATCPCreateMutex();
-static void CATCPDestroyMutex();
-static CAResult_t CATCPCreateCond();
-static void CATCPDestroyCond();
static CASocketFd_t CACreateAcceptSocket(int family, CASocket_t *sock);
static void CAAcceptConnection(CATransportFlags_t flag, CASocket_t *sock);
static void CAFindReadyMessage();
static void CAReceiveMessage(int fd);
static void CAReceiveHandler(void *data);
static CAResult_t CATCPCreateSocket(int family, CATCPSessionInfo_t *svritem);
+static void CATCPInitializeSocket();
#define CHECKFD(FD) \
if (FD > caglobals.tcp.maxfd) \
FD_SET(caglobals.tcp.TYPE.fd, FDS); \
}
-/**
- * Read length amount of data from socket item->fd
- * Can read less data length then requested
- * Actual read length added to item->len variable
- *
- * @param[in/out] item - used socket, buffer and to update received message length
- * @param[in] length - length of data required to read
- * @param[in] flags - additional info about socket
- * @return - CA_STATUS_OK or appropriate error code
- */
-static CAResult_t CARecv(CATCPSessionInfo_t *item, size_t length, int flags)
-{
- if (NULL == item)
- {
- return CA_STATUS_INVALID_PARAM;
- }
-
- //skip read operation if requested zero length
- if (0 == length)
- {
- return CA_STATUS_OK;
- }
-
- unsigned char *buffer = item->data + item->len;
-
- int len = recv(item->fd, buffer, length, flags);
-
- if (len < 0)
- {
- OIC_LOG_V(ERROR, TAG, "recv failed %s", strerror(errno));
- return CA_RECEIVE_FAILED;
- }
- else if (0 == len)
- {
- OIC_LOG(INFO, TAG, "Received disconnect from peer. Close connection");
- item->state = DISCONNECTED;
- return CA_DESTINATION_DISCONNECTED;
- }
-
- OIC_LOG_V(DEBUG, TAG, "recv len = %d", len);
- OIC_LOG_BUFFER(DEBUG, TAG, buffer, len);
-
- item->len += len;
-
- return CA_STATUS_OK;
-}
-
-static void CATCPDestroyMutex()
+void CATCPDestroyMutex()
{
if (g_mutexObjectList)
{
- ca_mutex_free(g_mutexObjectList);
+ oc_mutex_free(g_mutexObjectList);
g_mutexObjectList = NULL;
}
}
-static CAResult_t CATCPCreateMutex()
+CAResult_t CATCPCreateMutex()
{
if (!g_mutexObjectList)
{
- g_mutexObjectList = ca_mutex_new();
+ g_mutexObjectList = oc_mutex_new();
if (!g_mutexObjectList)
{
OIC_LOG(ERROR, TAG, "Failed to created mutex!");
return CA_STATUS_OK;
}
-static void CATCPDestroyCond()
+void CATCPDestroyCond()
{
if (g_condObjectList)
{
- ca_cond_free(g_condObjectList);
+ oc_cond_free(g_condObjectList);
g_condObjectList = NULL;
}
}
-static CAResult_t CATCPCreateCond()
+CAResult_t CATCPCreateCond()
{
if (!g_condObjectList)
{
- g_condObjectList = ca_cond_new();
+ g_condObjectList = oc_cond_new();
if (!g_condObjectList)
{
OIC_LOG(ERROR, TAG, "Failed to created cond!");
CAFindReadyMessage();
}
- ca_mutex_lock(g_mutexObjectList);
- ca_cond_signal(g_condObjectList);
- ca_mutex_unlock(g_mutexObjectList);
+ oc_mutex_lock(g_mutexObjectList);
+ oc_cond_signal(g_condObjectList);
+ oc_mutex_unlock(g_mutexObjectList);
OIC_LOG(DEBUG, TAG, "OUT - CAReceiveHandler");
}
FD_ZERO(&readFds);
CA_FD_SET(ipv4, &readFds);
+ CA_FD_SET(ipv4s, &readFds);
CA_FD_SET(ipv6, &readFds);
-
+ CA_FD_SET(ipv6s, &readFds);
+#ifndef __TIZENRT__
if (OC_INVALID_SOCKET != caglobals.tcp.shutdownFds[0])
{
FD_SET(caglobals.tcp.shutdownFds[0], &readFds);
}
+#endif
if (OC_INVALID_SOCKET != caglobals.tcp.connectionFds[0])
{
FD_SET(caglobals.tcp.connectionFds[0], &readFds);
if (caglobals.tcp.terminate)
{
- OIC_LOG_V(DEBUG, TAG, "Packet receiver Stop request received.");
+ OIC_LOG_V(INFO, TAG, "Packet receiver Stop request received.");
return;
}
-
- if (0 < ret)
- {
- CASelectReturned(&readFds);
- }
- else if (0 > ret)
+ if (0 >= ret)
{
- OIC_LOG_V(FATAL, TAG, "select error %s", strerror(errno));
+ if (0 > ret)
+ {
+ OIC_LOG_V(FATAL, TAG, "select error %s", strerror(errno));
+ }
+ return;
}
+
+ CASelectReturned(&readFds);
}
static void CASelectReturned(fd_set *readFds)
CAAcceptConnection(CA_IPV4, &caglobals.tcp.ipv4);
return;
}
+ else if (caglobals.tcp.ipv4s.fd != -1 && FD_ISSET(caglobals.tcp.ipv4s.fd, readFds))
+ {
+ CAAcceptConnection(CA_IPV4 | CA_SECURE, &caglobals.tcp.ipv4s);
+ return;
+ }
else if (caglobals.tcp.ipv6.fd != -1 && FD_ISSET(caglobals.tcp.ipv6.fd, readFds))
{
CAAcceptConnection(CA_IPV6, &caglobals.tcp.ipv6);
return;
}
+ else if (caglobals.tcp.ipv6s.fd != -1 && FD_ISSET(caglobals.tcp.ipv6s.fd, readFds))
+ {
+ CAAcceptConnection(CA_IPV6 | CA_SECURE, &caglobals.tcp.ipv6s);
+ return;
+ }
else if (-1 != caglobals.tcp.connectionFds[0] &&
FD_ISSET(caglobals.tcp.connectionFds[0], readFds))
{
return;
}
OIC_LOG_V(DEBUG, TAG, "Received new connection event with [%s]", buf);
- FD_CLR(caglobals.tcp.connectionFds[0], readFds);
return;
}
else
if (FD_ISSET(svritem->fd, readFds))
{
CAReceiveMessage(svritem->fd);
- if (-1 != svritem->fd)
- {
- FD_CLR(svritem->fd, readFds);
- }
}
}
}
static void CAAcceptConnection(CATransportFlags_t flag, CASocket_t *sock)
{
+ OIC_LOG_V(INFO, TAG, "In %s", __func__);
VERIFY_NON_NULL_VOID(sock, TAG, "sock is NULL");
+ if (MAX_CONNECTION_COUNTS == u_arraylist_length(caglobals.tcp.svrlist))
+ {
+ OIC_LOG_V(INFO, TAG, "Exceeding the max connection counts limit, close listening port");
+ close(sock->fd);
+ sock->fd = OC_INVALID_SOCKET;
+ return;
+ }
+
struct sockaddr_storage clientaddr;
socklen_t clientlen = sizeof (struct sockaddr_in);
if (flag & CA_IPV6)
svritem->sep.endpoint.flags = flag;
svritem->sep.endpoint.adapter = CA_ADAPTER_TCP;
svritem->state = CONNECTED;
+ svritem->isClient = false;
CAConvertAddrToName((struct sockaddr_storage *)&clientaddr, clientlen,
svritem->sep.endpoint.addr, &svritem->sep.endpoint.port);
- ca_mutex_lock(g_mutexObjectList);
+ oc_mutex_lock(g_mutexObjectList);
bool result = u_arraylist_add(caglobals.tcp.svrlist, svritem);
if (!result)
{
OIC_LOG(ERROR, TAG, "u_arraylist_add failed.");
close(sockfd);
OICFree(svritem);
- ca_mutex_unlock(g_mutexObjectList);
+ oc_mutex_unlock(g_mutexObjectList);
return;
}
- ca_mutex_unlock(g_mutexObjectList);
+ oc_mutex_unlock(g_mutexObjectList);
CHECKFD(sockfd);
- }
-}
-
-#ifdef __WITH_TLS__
-static bool CAIsTlsMessage(const unsigned char* data, size_t length)
-{
- if (NULL == data || 0 == length)
- {
- OIC_LOG_V(ERROR, TAG, "%s: null input param", __func__);
- return false;
- }
-
- unsigned char first_byte = data[0];
-
- //TLS Plaintext has four types: change_cipher_spec = [14], alert = [15],
- //handshake = [16], application_data = [17] in HEX
- const uint8_t tls_head_type[] = {0x14, 0x15, 0x16, 0x17};
- size_t i = 0;
- for (i = 0; i < sizeof(tls_head_type); i++)
- {
- if(tls_head_type[i] == first_byte)
+ // pass the connection information to CA Common Layer.
+ if (g_connectionCallback)
{
- return true;
+ g_connectionCallback(&(svritem->sep.endpoint), true, svritem->isClient);
}
}
-
- return false;
+ OIC_LOG_V(INFO, TAG, "Out %s", __func__);
}
-#endif
/**
* Clean socket state data
*
* @param[in/out] item - socket state data
*/
-static void CACleanData(CATCPSessionInfo_t *svritem)
+void CACleanData(CATCPSessionInfo_t *svritem)
{
if (svritem)
{
OICFree(svritem->data);
svritem->data = NULL;
svritem->len = 0;
+#ifdef __WITH_TLS__
+ svritem->tlsLen = 0;
+#endif
svritem->totalLen = 0;
+ svritem->bufLen = 0;
svritem->protocol = UNKNOWN;
}
}
/**
- * Read message header from socket item->fd
+ * Construct CoAP header and payload from buffer
*
- * @param[in/out] item - used socket, buffer, current received message length and protocol
+ * @param[in] svritem - used socket, buffer, current received message length and protocol
+ * @param[in/out] data - data buffer, this value is updated as data is copied to svritem
+ * @param[in/out] dataLength - length of data, this value decreased as data is copied to svritem
* @return - CA_STATUS_OK or appropriate error code
*/
-static CAResult_t CAReadHeader(CATCPSessionInfo_t *svritem)
+CAResult_t CAConstructCoAP(CATCPSessionInfo_t *svritem, unsigned char **data,
+ size_t *dataLength)
{
- CAResult_t res = CA_STATUS_OK;
+ OIC_LOG_V(DEBUG, TAG, "In %s", __func__);
- if (NULL == svritem)
+ if (NULL == svritem || NULL == data || NULL == dataLength)
{
+ OIC_LOG(ERROR, TAG, "Invalid input parameter(NULL)");
return CA_STATUS_INVALID_PARAM;
}
- if (NULL == svritem->data)
+ unsigned char *inBuffer = *data;
+ size_t inLen = *dataLength;
+ OIC_LOG_V(DEBUG, TAG, "before-datalength : %u", *dataLength);
+
+ if (NULL == svritem->data && inLen > 0)
{
// allocate memory for message header (CoAP header size because it is bigger)
svritem->data = (unsigned char *) OICCalloc(1, COAP_MAX_HEADER_SIZE);
OIC_LOG(ERROR, TAG, "OICCalloc - out of memory");
return CA_MEMORY_ALLOC_FAILED;
}
- }
- //read data (assume TLS header) from remote device.
- //use TLS_HEADER_SIZE - svritem->len because even header can be read partially
- res = CARecv(svritem, TLS_HEADER_SIZE - svritem->len, 0);
-
- //return if any error occurs
- if (CA_STATUS_OK != res)
- {
- return res;
+ // copy 1 byte to parse coap header length
+ memcpy(svritem->data, inBuffer, 1);
+ svritem->len = 1;
+ svritem->bufLen = COAP_MAX_HEADER_SIZE;
+ inBuffer++;
+ inLen--;
}
- //if not enough data received - read them on next CAReceiveMessage() call
- if (svritem->len < TLS_HEADER_SIZE)
+ //if not enough data received - read them on next CAFillHeader() call
+ if (0 == inLen)
{
- OIC_LOG(DEBUG, TAG, "Header received partially. Wait for rest header data");
return CA_STATUS_OK;
}
//if enough data received - parse header
-#ifdef __WITH_TLS__
- if (CAIsTlsMessage(svritem->data, svritem->len))
- {
- svritem->protocol = TLS;
+ svritem->protocol = COAP;
- //[3][4] bytes in tls header are tls payload length
- unsigned int message_length = (unsigned int)((svritem->data[3] << 8) | svritem->data[4]);
- OIC_LOG_V(DEBUG, TAG, "%s: message_length = %d", __func__, message_length);
+ //seems CoAP data received. read full coap header.
+ coap_transport_t transport = coap_get_tcp_header_type_from_initbyte(svritem->data[0] >> 4);
+ size_t headerLen = coap_get_tcp_header_length_for_transport(transport);
+ size_t copyLen = 0;
- svritem->totalLen = message_length + TLS_HEADER_SIZE;
- }
- else
-#endif
+ // HEADER
+ if (svritem->len < headerLen)
{
- svritem->protocol = COAP;
-
- //seems CoAP data received. read full coap header.
- coap_transport_t transport = coap_get_tcp_header_type_from_initbyte(svritem->data[0] >> 4);
+ copyLen = headerLen - svritem->len;
+ if (inLen < copyLen)
+ {
+ copyLen = inLen;
+ }
- size_t headerLen = coap_get_tcp_header_length_for_transport(transport);
+ //read required bytes to have full CoAP header
+ memcpy(svritem->data + svritem->len, inBuffer, copyLen);
+ svritem->len += copyLen;
+ inBuffer += copyLen;
+ inLen -= copyLen;
+ //if not enough data received - read them on next CAFillHeader() call
if (svritem->len < headerLen)
{
- //read required bytes to have full CoAP header
- //it should be 1 byte (COAP_MAX_HEADER_SIZE - TLS_HEADER_SIZE)
- res = CARecv(svritem, headerLen - svritem->len, 0);
-
- //return if any error occurs
- if (CA_STATUS_OK != res)
- {
- return res;
- }
-
- //if not enough data received - read them on next CAReceiveMessage() call
- if (svritem->len < headerLen)
- {
- OIC_LOG(DEBUG, TAG, "CoAP header received partially. Wait for rest header data");
- return CA_STATUS_OK;
- }
+ *data = inBuffer;
+ *dataLength = inLen;
+ OIC_LOG(DEBUG, TAG, "CoAP header received partially. Wait for rest header data");
+ return CA_STATUS_OK;
}
//calculate CoAP message length
svritem->totalLen = CAGetTotalLengthFromHeader(svritem->data);
}
- unsigned char *buffer = OICRealloc(svritem->data, svritem->totalLen);
- if (NULL == buffer)
- {
- OIC_LOG(ERROR, TAG, "OICRealloc - out of memory");
- return CA_MEMORY_ALLOC_FAILED;
- }
- svritem->data = buffer;
-
- return CA_STATUS_OK;
-}
-
-/**
- * Read message payload from socket item->fd
-
- *
- * @param[in/out] item - used socket, buffer and to update received message length
- * @return - CA_STATUS_OK or appropriate error code
- */
-static CAResult_t CAReadPayload(CATCPSessionInfo_t *svritem)
-{
- if (NULL == svritem)
- {
- return CA_STATUS_INVALID_PARAM;
- }
-
- return CARecv(svritem, svritem->totalLen - svritem->len, 0);
-}
-
-/**
- * Pass received data to app layer depending on protocol
- *
- * @param[in/out] item - used buffer, received message length and protocol
- */
-static void CAExecuteRequest(CATCPSessionInfo_t *svritem)
-{
- if (NULL == svritem)
+ // PAYLOAD
+ if (inLen > 0)
{
- return;
- }
+ // Calculate length of data to be copied.
+ copyLen = svritem->totalLen - svritem->len;
+ if (inLen < copyLen)
+ {
+ copyLen = inLen;
+ }
- switch(svritem->protocol)
- {
- case COAP:
+ // Is buffer not big enough for remaining data ?
+ if (svritem->len + copyLen > svritem->bufLen)
{
- if (g_packetReceivedCallback)
+ // Resize buffer to accommodate enough space
+ size_t extLen = svritem->totalLen - svritem->bufLen;
+ if (extLen > COAP_TCP_MAX_BUFFER_CHUNK_SIZE)
{
- g_packetReceivedCallback(&svritem->sep, svritem->data, svritem->len);
+ extLen = COAP_TCP_MAX_BUFFER_CHUNK_SIZE;
+ }
+
+ // Allocate required memory
+ unsigned char *buffer = OICRealloc(svritem->data, svritem->bufLen + extLen);
+ if (NULL == buffer)
+ {
+ OIC_LOG(ERROR, TAG, "OICRealloc - out of memory");
+ return CA_MEMORY_ALLOC_FAILED;
}
- }
- break;
- case TLS:
-#ifdef __WITH_TLS__
- {
- int ret = CAdecryptSsl(&svritem->sep, (uint8_t *)svritem->data, svritem->len);
- OIC_LOG_V(DEBUG, TAG, "%s: CAdecryptSsl returned %d", __func__, ret);
+ svritem->data = buffer;
+ svritem->bufLen += extLen;
}
- break;
-#endif
- case UNKNOWN: /* pass through */
- default:
- OIC_LOG(ERROR, TAG, "unknown application protocol. Ignore it");
- break;
+
+ // Read required bytes to have full CoAP payload
+ memcpy(svritem->data + svritem->len, inBuffer, copyLen);
+ svritem->len += copyLen;
+ inBuffer += copyLen;
+ inLen -= copyLen;
}
+
+ *data = inBuffer;
+ *dataLength = inLen;
+
+ OIC_LOG_V(DEBUG, TAG, "after-datalength : %u", *dataLength);
+ OIC_LOG_V(DEBUG, TAG, "Out %s", __func__);
+ return CA_STATUS_OK;
}
static void CAReceiveMessage(int fd)
return;
}
- //totalLen filled only when header fully read and parsed
- if (0 == svritem->totalLen)
+ // read data
+ int len = 0;
+
+ if (svritem->sep.endpoint.flags & CA_SECURE)
{
- res = CAReadHeader(svritem);
+ svritem->protocol = TLS;
+
+#ifdef __WITH_TLS__
+ size_t nbRead = 0;
+ size_t tlsLength = 0;
+
+ if (TLS_HEADER_SIZE > svritem->tlsLen)
+ {
+ nbRead = TLS_HEADER_SIZE - svritem->tlsLen;
+ }
+ else
+ {
+ //[3][4] bytes in tls header are tls payload length
+ tlsLength = TLS_HEADER_SIZE +
+ (size_t)((svritem->tlsdata[3] << 8) | svritem->tlsdata[4]);
+ OIC_LOG_V(DEBUG, TAG, "total tls length = %u", tlsLength);
+ if (tlsLength > sizeof(svritem->tlsdata))
+ {
+ OIC_LOG_V(ERROR, TAG, "total tls length is too big (buffer size : %u)",
+ sizeof(svritem->tlsdata));
+ if (CA_STATUS_OK != CAcloseSslConnection(&svritem->sep.endpoint))
+ {
+ OIC_LOG(ERROR, TAG, "Failed to close TLS session");
+ }
+ CASearchAndDeleteTCPSession(&(svritem->sep.endpoint));
+ return;
+ }
+ nbRead = tlsLength - svritem->tlsLen;
+ }
+
+ len = recv(fd, svritem->tlsdata + svritem->tlsLen, nbRead, 0);
+ if (len < 0)
+ {
+ OIC_LOG_V(ERROR, TAG, "recv failed %s", strerror(errno));
+ res = CA_RECEIVE_FAILED;
+ }
+ else if (0 == len)
+ {
+ OIC_LOG(INFO, TAG, "Received disconnect from peer. Close connection");
+ svritem->state = DISCONNECTED;
+ res = CA_DESTINATION_DISCONNECTED;
+ }
+ else
+ {
+ svritem->tlsLen += len;
+ OIC_LOG_V(DEBUG, TAG, "nb_read : %u bytes , recv() : %d bytes, svritem->tlsLen : %u bytes",
+ nbRead, len, svritem->tlsLen);
+ if (tlsLength > 0 && tlsLength == svritem->tlsLen)
+ {
+ //when successfully read data - pass them to callback.
+ res = CAdecryptSsl(&svritem->sep, (uint8_t *)svritem->tlsdata, svritem->tlsLen);
+ svritem->tlsLen = 0;
+ OIC_LOG_V(INFO, TAG, "%s: CAdecryptSsl returned %d", __func__, res);
+ }
+ }
+#endif
+
}
else
{
- res = CAReadPayload(svritem);
+ svritem->protocol = COAP;
- //when successfully read all required data - pass them to upper layer.
- if (CA_STATUS_OK == res && svritem->len == svritem->totalLen)
+ // svritem->tlsdata can also be used as receiving buffer in case of raw tcp
+ len = recv(fd, svritem->tlsdata, sizeof(svritem->tlsdata), 0);
+ if (len < 0)
{
- CAExecuteRequest(svritem);
- CACleanData(svritem);
+ OIC_LOG_V(ERROR, TAG, "recv failed %s", strerror(errno));
+ res = CA_RECEIVE_FAILED;
+ }
+ else if (0 == len)
+ {
+ OIC_LOG(INFO, TAG, "Received disconnect from peer. Close connection");
+ res = CA_DESTINATION_DISCONNECTED;
+ }
+ else
+ {
+ OIC_LOG_V(DEBUG, TAG, "recv() : %d bytes", len);
+ //when successfully read data - pass them to callback.
+ if (g_packetReceivedCallback)
+ {
+ res = g_packetReceivedCallback(&svritem->sep, svritem->tlsdata, len);
+ }
}
}
//disconnect session and clean-up data if any error occurs
if (res != CA_STATUS_OK)
{
-#ifdef __WITH_TLS__
- if (CA_STATUS_OK != CAcloseSslConnection(&svritem->sep.endpoint))
+ if (CA_STATUS_OK != CATCPDisconnectSession(&svritem->sep.endpoint))
{
- OIC_LOG(ERROR, TAG, "Failed to close TLS session");
+ CASearchAndDeleteTCPSession(&svritem->sep.endpoint);
+ OIC_LOG(ERROR, TAG, "Failed to disconnect TCP session");
}
-#endif
- CASearchAndDeleteTCPSession(&(svritem->sep.endpoint));
+
return;
}
}
{
VERIFY_NON_NULL(svritem, TAG, "svritem is NULL");
- OIC_LOG_V(DEBUG, TAG, "try to connect with [%s:%u]",
+ OIC_LOG_V(INFO, TAG, "try to connect with [%s:%u]",
svritem->sep.endpoint.addr, svritem->sep.endpoint.port);
// #1. create tcp socket.
if (connect(fd, (struct sockaddr *)&sa, socklen) < 0)
{
OIC_LOG_V(ERROR, TAG, "failed to connect socket, %s", strerror(errno));
+ CALogSendStateInfo(svritem->sep.endpoint.adapter, svritem->sep.endpoint.addr,
+ svritem->sep.endpoint.port, 0, false, strerror(errno));
return CA_SOCKET_OPERATION_FAILED;
}
- OIC_LOG(DEBUG, TAG, "connect socket success");
+ OIC_LOG(INFO, TAG, "connect socket success");
svritem->state = CONNECTED;
CHECKFD(svritem->fd);
ssize_t len = CAWakeUpForReadFdsUpdate(svritem->sep.endpoint.addr);
{
// the socket is restricted to sending and receiving IPv6 packets only.
int on = 1;
+//TODO: enable once IPv6 is supported
+#ifndef __TIZENRT__
if (-1 == setsockopt(fd, IPPROTO_IPV6, IPV6_V6ONLY, &on, sizeof (on)))
{
OIC_LOG_V(ERROR, TAG, "IPV6_V6ONLY failed: %s", strerror(errno));
goto exit;
}
+#endif
((struct sockaddr_in6 *)&server)->sin6_port = htons(sock->port);
socklen = sizeof (struct sockaddr_in6);
}
goto exit;
}
- if (!sock->port) // return the assigned port
+ if (sock->port) // use the given port
+ {
+ int on = 1;
+ if (setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, OPTVAL_T(&on), sizeof (on)))
+ {
+ OIC_LOG_V(ERROR, TAG, "SO_REUSEADDR failed: %s", strerror(errno));
+ close(fd);
+ return OC_INVALID_SOCKET;
+ }
+ }
+ else // return the assigned port
{
if (-1 == getsockname(fd, (struct sockaddr *)&server, &socklen))
{
static void CAInitializePipe(int *fds)
{
int ret = pipe(fds);
+// TODO: Remove temporary workaround once F_GETFD / F_SETFD support is in TizenRT
+/* Temporary workaround: By pass F_GETFD / F_SETFD */
+#ifdef __TIZENRT__
+ if (-1 == ret)
+ {
+ close(fds[1]);
+ close(fds[0]);
+
+ fds[0] = -1;
+ fds[1] = -1;
+
+ OIC_LOG_V(ERROR, TAG, "pipe failed: %s", strerror(errno));
+ }
+#else
if (-1 != ret)
{
ret = fcntl(fds[0], F_GETFD);
OIC_LOG_V(ERROR, TAG, "pipe failed: %s", strerror(errno));
}
}
+#endif
}
#define NEWSOCKET(FAMILY, NAME) \
} \
CHECKFD(caglobals.tcp.NAME.fd);
+void CATCPInitializeSocket()
+{
+#ifndef __WITH_TLS__
+ NEWSOCKET(AF_INET, ipv4);
+#else
+ NEWSOCKET(AF_INET, ipv4s);
+#endif
+
+//TODO Enable once TizenRT supports IPv6
+#ifndef __TIZENRT__
+#ifndef __WITH_TLS__
+ NEWSOCKET(AF_INET6, ipv6);
+#else
+ NEWSOCKET(AF_INET6, ipv6s);
+#endif
+#endif
+#ifndef __WITH_TLS__
+ OIC_LOG_V(DEBUG, TAG, "IPv4 socket fd=%d, port=%d",
+ caglobals.tcp.ipv4.fd, caglobals.tcp.ipv4.port);
+ OIC_LOG_V(DEBUG, TAG, "IPv6 socket fd=%d, port=%d",
+ caglobals.tcp.ipv6.fd, caglobals.tcp.ipv6.port);
+#else
+ OIC_LOG_V(DEBUG, TAG, "IPv4 secure socket fd=%d, port=%d",
+ caglobals.tcp.ipv4s.fd, caglobals.tcp.ipv4s.port);
+ OIC_LOG_V(DEBUG, TAG, "IPv6 secure socket fd=%d, port=%d",
+ caglobals.tcp.ipv6s.fd, caglobals.tcp.ipv6s.port);
+#endif
+}
+
CAResult_t CATCPStartServer(const ca_thread_pool_t threadPool)
{
+ oc_mutex_lock(g_mutexObjectList);
if (caglobals.tcp.started)
{
- OIC_LOG(DEBUG, TAG, "Adapter is started already");
+ oc_mutex_unlock(g_mutexObjectList);
+ OIC_LOG(INFO, TAG, "Adapter is started already");
return CA_STATUS_OK;
}
+ g_threadPool = threadPool;
+
if (!caglobals.tcp.ipv4tcpenabled)
{
caglobals.tcp.ipv4tcpenabled = true; // only needed to run CA tests
caglobals.tcp.ipv6tcpenabled = true; // only needed to run CA tests
}
- CAResult_t res = CATCPCreateMutex();
- if (CA_STATUS_OK == res)
- {
- res = CATCPCreateCond();
- }
- if (CA_STATUS_OK != res)
- {
- OIC_LOG(ERROR, TAG, "failed to create mutex/cond");
- return res;
- }
-
- ca_mutex_lock(g_mutexObjectList);
+ caglobals.tcp.terminate = false;
if (!caglobals.tcp.svrlist)
{
caglobals.tcp.svrlist = u_arraylist_create();
}
- ca_mutex_unlock(g_mutexObjectList);
if (caglobals.server)
{
- NEWSOCKET(AF_INET, ipv4);
- NEWSOCKET(AF_INET6, ipv6);
- OIC_LOG_V(DEBUG, TAG, "IPv4 socket fd=%d, port=%d",
- caglobals.tcp.ipv4.fd, caglobals.tcp.ipv4.port);
- OIC_LOG_V(DEBUG, TAG, "IPv6 socket fd=%d, port=%d",
- caglobals.tcp.ipv6.fd, caglobals.tcp.ipv6.port);
+ CATCPInitializeSocket();
}
-
+#ifndef __TIZENRT__
// create pipe for fast shutdown
CAInitializePipe(caglobals.tcp.shutdownFds);
CHECKFD(caglobals.tcp.shutdownFds[0]);
CHECKFD(caglobals.tcp.shutdownFds[1]);
-
+#endif
// create pipe for connection event
CAInitializePipe(caglobals.tcp.connectionFds);
CHECKFD(caglobals.tcp.connectionFds[0]);
CHECKFD(caglobals.tcp.connectionFds[1]);
- caglobals.tcp.terminate = false;
- res = ca_thread_pool_add_task(threadPool, CAReceiveHandler, NULL);
+ CAResult_t res = CA_STATUS_OK;
+#ifndef __TIZENRT__
+ res = ca_thread_pool_add_task(g_threadPool, CAReceiveHandler, NULL, NULL);
+#else
+ res = ca_thread_pool_add_task(g_threadPool, CAReceiveHandler, NULL, NULL,
+ "IoT_TCPReceive", CONFIG_IOTIVITY_TCPRECEIVE_PTHREAD_STACKSIZE);
+#endif
if (CA_STATUS_OK != res)
{
+ oc_mutex_unlock(g_mutexObjectList);
OIC_LOG(ERROR, TAG, "thread_pool_add_task failed");
+ CATCPStopServer();
return res;
}
- OIC_LOG(DEBUG, TAG, "CAReceiveHandler thread started successfully.");
caglobals.tcp.started = true;
+ oc_mutex_unlock(g_mutexObjectList);
+
+ OIC_LOG(INFO, TAG, "CAReceiveHandler thread started successfully.");
return CA_STATUS_OK;
}
void CATCPStopServer()
{
+ oc_mutex_lock(g_mutexObjectList);
if (caglobals.tcp.terminate)
{
- OIC_LOG(DEBUG, TAG, "Adapter is not enabled");
+ oc_mutex_unlock(g_mutexObjectList);
+ OIC_LOG(INFO, TAG, "Adapter is not enabled");
return;
}
- // mutex lock
- ca_mutex_lock(g_mutexObjectList);
-
// set terminate flag.
caglobals.tcp.terminate = true;
- if (caglobals.tcp.shutdownFds[1] != -1)
- {
- close(caglobals.tcp.shutdownFds[1]);
- caglobals.tcp.shutdownFds[1] = OC_INVALID_SOCKET;
- // receive thread will stop immediately
- }
- if (caglobals.tcp.connectionFds[1] != -1)
+#ifdef __TIZENRT__
+ if (caglobals.tcp.started)
{
- close(caglobals.tcp.connectionFds[1]);
- caglobals.tcp.connectionFds[1] = OC_INVALID_SOCKET;
+ oc_cond_wait(g_condObjectList, g_mutexObjectList);
+ caglobals.tcp.started = false;
}
+#endif
// close accept socket.
+#ifndef __WITH_TLS__
CLOSE_SOCKET(ipv4);
CLOSE_SOCKET(ipv6);
+#else
+ CLOSE_SOCKET(ipv4s);
+ CLOSE_SOCKET(ipv6s);
+#endif
+ close(caglobals.tcp.connectionFds[1]);
+ close(caglobals.tcp.connectionFds[0]);
+ caglobals.tcp.connectionFds[1] = OC_INVALID_SOCKET;
+ caglobals.tcp.connectionFds[0] = OC_INVALID_SOCKET;
+#ifndef __TIZENRT__
+ if (caglobals.tcp.shutdownFds[1] != OC_INVALID_SOCKET)
+ {
+ close(caglobals.tcp.shutdownFds[1]);
+ caglobals.tcp.shutdownFds[1] = OC_INVALID_SOCKET;
+ // receive thread will stop immediately
+ }
if (caglobals.tcp.started)
{
- ca_cond_wait(g_condObjectList, g_mutexObjectList);
+ oc_cond_wait(g_condObjectList, g_mutexObjectList);
+ caglobals.tcp.started = false;
}
- caglobals.tcp.started = false;
-
- // mutex unlock
- ca_mutex_unlock(g_mutexObjectList);
+ if (caglobals.tcp.shutdownFds[0] != OC_INVALID_SOCKET)
+ {
+ close(caglobals.tcp.shutdownFds[0]);
+ caglobals.tcp.shutdownFds[0] = OC_INVALID_SOCKET;
+ }
+#endif
+ oc_mutex_unlock(g_mutexObjectList);
CATCPDisconnectAll();
- CATCPDestroyMutex();
- CATCPDestroyCond();
+ sleep(1);
- OIC_LOG(DEBUG, TAG, "Adapter terminated successfully");
+ OIC_LOG(INFO, TAG, "Adapter terminated successfully");
}
void CATCPSetPacketReceiveCallback(CATCPPacketReceivedCallback callback)
if (!pdu)
{
OIC_LOG(ERROR, TAG, "outpdu is null");
+ OIC_LOG_V(ERROR, TAG, "data length: %zu", dlen);
return 0;
}
// #2. send data to remote device.
ssize_t remainLen = dlen;
+ size_t sendCounter = 0;
do
{
- ssize_t len = send(sockFd, data, remainLen, 0);
+#ifdef MSG_NOSIGNAL
+ ssize_t len = send(sockFd, data, remainLen, MSG_DONTWAIT | MSG_NOSIGNAL);
+#else
+ ssize_t len = send(sockFd, data, remainLen, MSG_DONTWAIT);
+#endif
if (-1 == len)
{
- if (EWOULDBLOCK != errno)
+ if (EWOULDBLOCK != errno && EAGAIN != errno)
{
OIC_LOG_V(ERROR, TAG, "unicast ipv4tcp sendTo failed: %s", strerror(errno));
+ CALogSendStateInfo(endpoint->adapter, endpoint->addr, endpoint->port,
+ len, false, strerror(errno));
+ return len;
+ }
+ sendCounter++;
+ OIC_LOG_V(WARNING, TAG, "send blocked. trying %zu attempt from 25", sendCounter);
+ if(sendCounter >= 25)
+ {
return len;
}
continue;
(void)fam;
#endif
OIC_LOG_V(INFO, TAG, "unicast %stcp sendTo is successful: %zu bytes", fam, dlen);
+ CALogSendStateInfo(endpoint->adapter, endpoint->addr, endpoint->port,
+ dlen, true, NULL);
return dlen;
}
svritem->sep.endpoint.flags = endpoint->flags;
svritem->sep.endpoint.ifindex = endpoint->ifindex;
svritem->state = CONNECTING;
+ svritem->isClient = true;
// #2. add TCP connection info to list
- ca_mutex_lock(g_mutexObjectList);
+ oc_mutex_lock(g_mutexObjectList);
if (caglobals.tcp.svrlist)
{
bool res = u_arraylist_add(caglobals.tcp.svrlist, svritem);
OIC_LOG(ERROR, TAG, "u_arraylist_add failed.");
close(svritem->fd);
OICFree(svritem);
- ca_mutex_unlock(g_mutexObjectList);
+ oc_mutex_unlock(g_mutexObjectList);
return OC_INVALID_SOCKET;
}
}
- ca_mutex_unlock(g_mutexObjectList);
+ oc_mutex_unlock(g_mutexObjectList);
// #3. create the socket and connect to TCP server
int family = (svritem->sep.endpoint.flags & CA_IPV6) ? AF_INET6 : AF_INET;
// #4. pass the connection information to CA Common Layer.
if (g_connectionCallback)
{
- g_connectionCallback(&(svritem->sep.endpoint), true);
+ g_connectionCallback(&(svritem->sep.endpoint), true, svritem->isClient);
}
return svritem->fd;
// pass the connection information to CA Common Layer.
if (g_connectionCallback && DISCONNECTED == removedData->state)
{
- g_connectionCallback(&(removedData->sep.endpoint), false);
+ g_connectionCallback(&(removedData->sep.endpoint), false, removedData->isClient);
}
}
OICFree(removedData->data);
removedData = NULL;
OIC_LOG(DEBUG, TAG, "data is removed from session list");
+
+ if (caglobals.server && MAX_CONNECTION_COUNTS == u_arraylist_length(caglobals.tcp.svrlist) + 1)
+ {
+ CATCPInitializeSocket();
+ }
return CA_STATUS_OK;
}
void CATCPDisconnectAll()
{
- ca_mutex_lock(g_mutexObjectList);
+ OIC_LOG(DEBUG, TAG, "IN - CATCPDisconnectAll");
+
+ oc_mutex_lock(g_mutexObjectList);
uint32_t length = u_arraylist_length(caglobals.tcp.svrlist);
for (ssize_t index = length; index > 0; index--)
u_arraylist_destroy(caglobals.tcp.svrlist);
caglobals.tcp.svrlist = NULL;
- ca_mutex_unlock(g_mutexObjectList);
+ oc_mutex_unlock(g_mutexObjectList);
#ifdef __WITH_TLS__
- CAcloseSslConnectionAll();
+ CAcloseSslConnectionAll(CA_ADAPTER_TCP);
#endif
+ OIC_LOG(DEBUG, TAG, "OUT - CATCPDisconnectAll");
}
CATCPSessionInfo_t *CAGetTCPSessionInfoFromEndpoint(const CAEndpoint_t *endpoint, size_t *index)
OIC_LOG_V(DEBUG, TAG, "Looking for [%s:%d]", endpoint->addr, endpoint->port);
// get connection info from list.
- ca_mutex_lock(g_mutexObjectList);
+ oc_mutex_lock(g_mutexObjectList);
uint32_t length = u_arraylist_length(caglobals.tcp.svrlist);
for (size_t i = 0; i < length; i++)
{
&& (svritem->sep.endpoint.port == endpoint->port)
&& (svritem->sep.endpoint.flags & endpoint->flags))
{
- ca_mutex_unlock(g_mutexObjectList);
+ oc_mutex_unlock(g_mutexObjectList);
OIC_LOG(DEBUG, TAG, "Found in session list");
return svritem->fd;
}
}
- ca_mutex_unlock(g_mutexObjectList);
+ oc_mutex_unlock(g_mutexObjectList);
OIC_LOG(DEBUG, TAG, "Session not found");
return OC_INVALID_SOCKET;
}
CATCPSessionInfo_t *CAGetSessionInfoFromFD(int fd, size_t *index)
{
- ca_mutex_lock(g_mutexObjectList);
+ oc_mutex_lock(g_mutexObjectList);
// check from the last item.
CATCPSessionInfo_t *svritem = NULL;
if (svritem && svritem->fd == fd)
{
*index = i;
- ca_mutex_unlock(g_mutexObjectList);
+ oc_mutex_unlock(g_mutexObjectList);
return svritem;
}
}
- ca_mutex_unlock(g_mutexObjectList);
+ oc_mutex_unlock(g_mutexObjectList);
return NULL;
}
CAResult_t CASearchAndDeleteTCPSession(const CAEndpoint_t *endpoint)
{
- ca_mutex_lock(g_mutexObjectList);
+ oc_mutex_lock(g_mutexObjectList);
CAResult_t result = CA_STATUS_OK;
size_t index = 0;
}
}
- ca_mutex_unlock(g_mutexObjectList);
+ oc_mutex_unlock(g_mutexObjectList);
return result;
}
+void CATCPCloseInProgressConnections()
+{
+ OIC_LOG(INFO, TAG, "IN - CATCPCloseInProgressConnections");
+
+ oc_mutex_lock(g_mutexObjectList);
+
+ uint32_t length = u_arraylist_length(caglobals.tcp.svrlist);
+ for (size_t index = 0; index < length; index++)
+ {
+ CATCPSessionInfo_t *svritem = (CATCPSessionInfo_t *) u_arraylist_get(
+ caglobals.tcp.svrlist, index);
+ if (!svritem)
+ {
+ continue;
+ }
+
+ // Session which are connecting state
+ if (svritem->fd >= 0 && svritem->state == CONNECTING)
+ {
+ shutdown(svritem->fd, SHUT_RDWR);
+ close(svritem->fd);
+ svritem->fd = -1;
+ svritem->state = DISCONNECTED;
+ }
+ }
+
+ oc_mutex_unlock(g_mutexObjectList);
+
+ OIC_LOG(INFO, TAG, "OUT - CATCPCloseInProgressConnections");
+}
+
size_t CAGetTotalLengthFromHeader(const unsigned char *recvBuffer)
{
OIC_LOG(DEBUG, TAG, "IN - CAGetTotalLengthFromHeader");
{
g_tcpErrorHandler = errorHandleCallback;
}
-
projects / platform / upstream / iotivity.git / blobdiff