#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>
#endif
#include "catcpinterface.h"
-#include "pdu.h"
+#include "caipnwmonitor.h"
+#include <coap/pdu.h>
#include "caadapterutils.h"
-#include "camutex.h"
+#include "octhread.h"
#include "oic_malloc.h"
-#include "oic_string.h"
+
+#ifdef __WITH_TLS__
+#include "ca_adapter_net_ssl.h"
+#endif
/**
* Logging tag for module name.
*/
-#define TAG "OIC_CA_TCP_SERVER"
+//#define TAG "OIC_CA_TCP_SERVER"
+#define TAG TCP_SERVER_TAG
/**
- * Server port number for local test.
+ * Maximum CoAP over TCP header length
+ * to know the total data length.
*/
-#define SERVER_PORT 8000
+#define COAP_MAX_HEADER_SIZE 6
/**
- * Maximum CoAP over TCP header length
- * to know the total data length.
+ * TLS header size
+ */
+#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)
+
+#define MILLISECONDS_PER_SECOND (1000)
+
+/**
+ * Thread pool.
*/
-#define TCP_MAX_HEADER_LEN 6
+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;
+
+/**
+ * Mutex to synchronize send.
+ */
+static oc_mutex g_mutexSend = NULL;
+
+/**
+ * Conditional mutex to synchronize send.
+ */
+static oc_cond g_condSend = 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 int CACreateAcceptSocket(int family, CASocket_t *sock);
+static CASocketFd_t CACreateAcceptSocket(int family, CASocket_t *sock);
static void CAAcceptConnection(CATransportFlags_t flag, CASocket_t *sock);
static void CAFindReadyMessage();
-static void CASelectReturned(fd_set *readFds, int ret);
+static void CASelectReturned(fd_set *readFds);
static void CAReceiveMessage(int fd);
static void CAReceiveHandler(void *data);
-static int CATCPCreateSocket(int family, CATCPSessionInfo_t *tcpServerInfo);
+static CAResult_t CATCPCreateSocket(int family, CATCPSessionInfo_t *svritem);
+static void CATCPInitializeSocket();
+static CATCPSessionInfo_t *CAGetSessionInfoFromFDAsOwner(int fd, size_t *index);
+
+#if defined(__TIZEN__)
+static char g_cloudproxyUri[CA_MAX_URI_LENGTH];
+
+CAResult_t CASetCloudAddressForProxy(const char *uri)
+{
+ if (uri == NULL)
+ memset(g_cloudproxyUri, '\0', sizeof (g_cloudproxyUri));
+ else
+ OICStrcpy(g_cloudproxyUri, sizeof (g_cloudproxyUri), uri);
+ return CA_STATUS_OK;
+}
+
+const char *CAGetCloudAddressForProxy()
+{
+ if (g_cloudproxyUri[0] == '\0')
+ return NULL;
+ return g_cloudproxyUri;
+}
+#endif
#define CHECKFD(FD) \
if (FD > caglobals.tcp.maxfd) \
caglobals.tcp.maxfd = FD;
-static void CATCPDestroyMutex()
+#define CLOSE_SOCKET(TYPE) \
+ if (caglobals.tcp.TYPE.fd != OC_INVALID_SOCKET) \
+ { \
+ close(caglobals.tcp.TYPE.fd); \
+ caglobals.tcp.TYPE.fd = OC_INVALID_SOCKET; \
+ }
+
+#define CA_FD_SET(TYPE, FDS) \
+ if (caglobals.tcp.TYPE.fd != OC_INVALID_SOCKET) \
+ { \
+ FD_SET(caglobals.tcp.TYPE.fd, FDS); \
+ }
+
+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!");
+ OIC_LOG(ERROR, TAG, "Failed to create mutex!");
return CA_STATUS_FAILED;
}
}
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!");
+ OIC_LOG(ERROR, TAG, "Failed to create cond!");
+ return CA_STATUS_FAILED;
+ }
+ }
+ return CA_STATUS_OK;
+}
+
+void CATCPDestroySendMutex()
+{
+ if (g_mutexSend)
+ {
+ oc_mutex_free(g_mutexSend);
+ g_mutexSend = NULL;
+ }
+}
+
+CAResult_t CATCPCreateSendMutex()
+{
+ if (!g_mutexSend)
+ {
+ g_mutexSend = oc_mutex_new();
+ if (!g_mutexSend)
+ {
+ OIC_LOG(ERROR, TAG, "Failed to create send mutex!");
+ return CA_STATUS_FAILED;
+ }
+ }
+
+ return CA_STATUS_OK;
+}
+
+void CATCPDestroySendCond()
+{
+ if (g_condSend)
+ {
+ oc_cond_free(g_condSend);
+ g_condSend = NULL;
+ }
+}
+
+CAResult_t CATCPCreateSendCond()
+{
+ if (!g_condSend)
+ {
+ g_condSend = oc_cond_new();
+ if (!g_condSend)
+ {
+ OIC_LOG(ERROR, TAG, "Failed to create send cond!");
return CA_STATUS_FAILED;
}
}
(void)data;
OIC_LOG(DEBUG, TAG, "IN - CAReceiveHandler");
- while (!caglobals.tcp.terminate)
+ while (true)
{
+ oc_mutex_lock(g_mutexObjectList);
+ if (caglobals.tcp.terminate)
+ {
+ oc_mutex_unlock(g_mutexObjectList);
+ break;
+ }
+ oc_mutex_unlock(g_mutexObjectList);
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");
}
struct timeval timeout = { .tv_sec = caglobals.tcp.selectTimeout };
FD_ZERO(&readFds);
-
- if (-1 != caglobals.tcp.ipv4.fd)
- {
- FD_SET(caglobals.tcp.ipv4.fd, &readFds);
- }
- if (-1 != caglobals.tcp.ipv6.fd)
- {
- FD_SET(caglobals.tcp.ipv6.fd, &readFds);
- }
- if (-1 != caglobals.tcp.shutdownFds[0])
+ 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);
}
- if (-1 != caglobals.tcp.connectionFds[0])
+#endif
+ if (OC_INVALID_SOCKET != caglobals.tcp.connectionFds[0])
{
FD_SET(caglobals.tcp.connectionFds[0], &readFds);
}
{
CATCPSessionInfo_t *svritem =
(CATCPSessionInfo_t *) u_arraylist_get(caglobals.tcp.svrlist, i);
- if (svritem && 0 <= svritem->fd)
+ if (svritem && 0 <= svritem->fd && CONNECTED == svritem->state)
{
FD_SET(svritem->fd, &readFds);
}
int ret = select(caglobals.tcp.maxfd + 1, &readFds, NULL, NULL, &timeout);
+ oc_mutex_lock(g_mutexObjectList);
if (caglobals.tcp.terminate)
{
- OIC_LOG_V(DEBUG, TAG, "Packet receiver Stop request received.");
+ oc_mutex_unlock(g_mutexObjectList);
+ OIC_LOG_V(INFO, TAG, "Packet receiver Stop request received.");
return;
}
+ oc_mutex_unlock(g_mutexObjectList);
if (0 >= ret)
{
if (0 > ret)
return;
}
- CASelectReturned(&readFds, ret);
+ CASelectReturned(&readFds);
}
-static void CASelectReturned(fd_set *readFds, int ret)
+static void CASelectReturned(fd_set *readFds)
{
VERIFY_NON_NULL_VOID(readFds, TAG, "readFds is NULL");
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 (-1 != caglobals.tcp.connectionFds[0] &&
- FD_ISSET(caglobals.tcp.connectionFds[0], readFds))
+ else if (caglobals.tcp.ipv6s.fd != -1 && FD_ISSET(caglobals.tcp.ipv6s.fd, readFds))
{
- // new connection was created from remote device.
- // exit the function to update read file descriptor.
- char buf[MAX_ADDR_STR_SIZE_CA] = {0};
- ssize_t len = read(caglobals.tcp.connectionFds[0], buf, sizeof (buf));
- if (-1 == len)
- {
- return;
- }
- OIC_LOG_V(DEBUG, TAG, "Received new connection event with [%s]", buf);
- FD_CLR(caglobals.tcp.connectionFds[0], readFds);
+ CAAcceptConnection(CA_IPV6 | CA_SECURE, &caglobals.tcp.ipv6s);
return;
}
else if (-1 != caglobals.tcp.connectionFds[0] &&
return;
}
OIC_LOG_V(DEBUG, TAG, "Received new connection event with [%s]", buf);
- FD_CLR(caglobals.tcp.connectionFds[0], readFds);
return;
}
else
{
+ int *readFDList = NULL;
+ size_t readFDListSize = 0;
+
+ oc_mutex_lock(g_mutexObjectList);
uint32_t length = u_arraylist_length(caglobals.tcp.svrlist);
+
+ readFDList = (int*) OICCalloc(length, sizeof(int));
+ if (NULL == readFDList)
+ {
+ OIC_LOG_V(ERROR, TAG, "Failed to allocate memory!");
+ oc_mutex_unlock(g_mutexObjectList);
+ return;
+ }
+
for (size_t i = 0; i < length; i++)
{
CATCPSessionInfo_t *svritem =
{
if (FD_ISSET(svritem->fd, readFds))
{
- CAReceiveMessage(svritem->fd);
- FD_CLR(svritem->fd, readFds);
+ readFDList[readFDListSize++] = svritem->fd;
}
}
}
+ oc_mutex_unlock(g_mutexObjectList);
+
+ // Read incomming messages from fds
+ for (size_t i = 0; i < readFDListSize; i++)
+ {
+ CAReceiveMessage(readFDList[i]);
+ }
+
+ OICFree(readFDList);
}
}
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)
+ {
+ clientlen = sizeof(struct sockaddr_in6);
+ }
- int sockfd = accept(sock->fd, (struct sockaddr *)&clientaddr, &clientlen);
- if (-1 != sockfd)
+ CASocketFd_t sockfd = accept(sock->fd, (struct sockaddr *)&clientaddr, &clientlen);
+ if (OC_INVALID_SOCKET != sockfd)
{
CATCPSessionInfo_t *svritem =
(CATCPSessionInfo_t *) OICCalloc(1, sizeof (*svritem));
svritem->fd = sockfd;
svritem->sep.endpoint.flags = flag;
+ svritem->sep.endpoint.adapter = CA_ADAPTER_TCP;
+ svritem->state = CONNECTED;
+ svritem->isClient = false;
CAConvertAddrToName((struct sockaddr_storage *)&clientaddr, clientlen,
- (char *) &svritem->sep.endpoint.addr, &svritem->sep.endpoint.port);
+ svritem->sep.endpoint.addr, &svritem->sep.endpoint.port);
+
+ // Allocate message buffer
+ svritem->tlsdata = (unsigned char*) OICCalloc(TLS_DATA_MAX_SIZE, sizeof(unsigned char));
+ if (!svritem->tlsdata)
+ {
+ OIC_LOG(ERROR, TAG, "Out of memory");
+ close(sockfd);
+ OICFree(svritem);
+ return;
+ }
- 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->tlsdata);
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);
+
+ // pass the connection information to CA Common Layer.
+ if (g_connectionCallback)
+ {
+ g_connectionCallback(&(svritem->sep.endpoint), true, svritem->isClient);
+ }
}
+ OIC_LOG_V(INFO, TAG, "Out %s", __func__);
}
-static void CAReceiveMessage(int fd)
+/**
+ * Clean socket state data
+ *
+ * @param[in/out] item - socket state data
+ */
+void CACleanData(CATCPSessionInfo_t *svritem)
{
- // #1. get remote device information from file descriptor.
- size_t index = 0;
- CATCPSessionInfo_t *svritem = CAGetSessionInfoFromFD(fd, &index);
- if (!svritem)
+ if (svritem)
{
- OIC_LOG(ERROR, TAG, "there is no connection information in list");
- return;
+ 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;
+ }
+}
+
+/**
+ * Construct CoAP header and payload from buffer
+ *
+ * @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
+ */
+CAResult_t CAConstructCoAP(CATCPSessionInfo_t *svritem, unsigned char **data,
+ size_t *dataLength)
+{
+ OIC_LOG_V(DEBUG, TAG, "In %s", __func__);
+
+ if (NULL == svritem || NULL == data || NULL == dataLength)
+ {
+ OIC_LOG(ERROR, TAG, "Invalid input parameter(NULL)");
+ return CA_STATUS_INVALID_PARAM;
}
- // #2. get already allocated memory size.
- size_t bufSize = (svritem->totalDataLen == 0) ? TCP_MAX_HEADER_LEN : svritem->totalDataLen;
- if (!svritem->recvData)
+ unsigned char *inBuffer = *data;
+ size_t inLen = *dataLength;
+ OIC_LOG_V(DEBUG, TAG, "before-datalength : %zd", *dataLength);
+
+ if (NULL == svritem->data && inLen > 0)
{
- svritem->recvData = (unsigned char *) OICCalloc(1, bufSize);
- if (!svritem->recvData)
+ // allocate memory for message header (CoAP header size because it is bigger)
+ svritem->data = (unsigned char *) OICCalloc(1, COAP_MAX_HEADER_SIZE);
+ if (NULL == svritem->data)
{
- OIC_LOG(ERROR, TAG, "out of memory");
- CADisconnectTCPSession(svritem, index);
- return;
+ OIC_LOG(ERROR, TAG, "OICCalloc - out of memory");
+ return CA_MEMORY_ALLOC_FAILED;
}
+
+ // copy 1 byte to parse coap header length
+ memcpy(svritem->data, inBuffer, 1);
+ svritem->len = 1;
+ svritem->bufLen = COAP_MAX_HEADER_SIZE;
+ inBuffer++;
+ inLen--;
}
- // #3. receive data from remote device.
- ssize_t recvLen = recv(fd, svritem->recvData + svritem->recvDataLen,
- bufSize - svritem->recvDataLen, 0);
- if (recvLen <= 0)
+ //if not enough data received - read them on next CAFillHeader() call
+ if (0 == inLen)
{
- if(EWOULDBLOCK != errno)
+ return CA_STATUS_OK;
+ }
+
+ //if enough data received - parse header
+ 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);
+ size_t headerLen = coap_get_tcp_header_length_for_transport(transport);
+ size_t copyLen = 0;
+
+ // HEADER
+ if (svritem->len < headerLen)
+ {
+ copyLen = headerLen - svritem->len;
+ if (inLen < copyLen)
{
- OIC_LOG_V(ERROR, TAG, "Recvfrom failed %s", strerror(errno));
- CADisconnectTCPSession(svritem, index);
+ copyLen = inLen;
}
+
+ //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)
+ {
+ *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);
+ }
+
+ // PAYLOAD
+ if (inLen > 0)
+ {
+ // Calculate length of data to be copied.
+ copyLen = svritem->totalLen - svritem->len;
+ if (inLen < copyLen)
+ {
+ copyLen = inLen;
+ }
+
+ // Is buffer not big enough for remaining data ?
+ if (svritem->len + copyLen > svritem->bufLen)
+ {
+ // Resize buffer to accommodate enough space
+ size_t extLen = svritem->totalLen - svritem->bufLen;
+ if (extLen > COAP_TCP_MAX_BUFFER_CHUNK_SIZE)
+ {
+ 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;
+ }
+
+ svritem->data = buffer;
+ svritem->bufLen += extLen;
+ }
+
+ // 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 : %zd", *dataLength);
+ OIC_LOG_V(DEBUG, TAG, "Out %s", __func__);
+ return CA_STATUS_OK;
+}
+
+static void CAReceiveMessage(int fd)
+{
+ CAResult_t res = CA_STATUS_OK;
+
+ oc_mutex_lock(g_mutexObjectList);
+
+ //get remote device information from file descriptor.
+ size_t index = 0;
+ CATCPSessionInfo_t *svritem = CAGetSessionInfoFromFDAsOwner(fd, &index);
+ if (!svritem)
+ {
+ OIC_LOG(ERROR, TAG, "there is no connection information in list");
+ oc_mutex_unlock(g_mutexObjectList);
return;
}
- svritem->recvDataLen += recvLen;
- // #4. get actual data length from coap over tcp header.
- if (!svritem->totalDataLen)
+ CASecureEndpoint_t peerEP = svritem->sep;
+ int len = 0;
+ if (svritem->sep.endpoint.flags & CA_SECURE) // Secure connection
{
- coap_transport_type transport = coap_get_tcp_header_type_from_initbyte(
- ((unsigned char *) svritem->recvData)[0] >> 4);
+ svritem->protocol = TLS;
- size_t headerLen = coap_get_tcp_header_length_for_transport(transport);
- if (svritem->recvDataLen >= headerLen)
+#ifdef __WITH_TLS__
+ size_t nbRead = 0;
+ size_t tlsLength = 0;
+
+ if (TLS_HEADER_SIZE > svritem->tlsLen)
+ {
+ nbRead = TLS_HEADER_SIZE - svritem->tlsLen;
+ }
+ else
{
- svritem->totalDataLen = CAGetTotalLengthFromHeader(
- (unsigned char *) svritem->recvData);
- bufSize = svritem->totalDataLen;
- unsigned char *newBuf = OICRealloc(svritem->recvData, bufSize);
- if (!newBuf)
+ //[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 = %zd", tlsLength);
+ if (tlsLength > TLS_DATA_MAX_SIZE)
{
- OIC_LOG(ERROR, TAG, "out of memory");
- CADisconnectTCPSession(svritem, index);
+ OIC_LOG_V(ERROR, TAG, "total tls length is too big (buffer size : %u)",
+ TLS_DATA_MAX_SIZE);
+ oc_mutex_unlock(g_mutexObjectList);
+ CATCPDisconnectSession(&peerEP.endpoint);
return;
}
- svritem->recvData = newBuf;
+ nbRead = tlsLength - svritem->tlsLen;
}
- }
- // #5. pass the received data information to upper layer.
- if ((svritem->totalDataLen == svritem->recvDataLen) && g_packetReceivedCallback)
+ 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 : %zd bytes , recv() : %d bytes, svritem->tlsLen : %zd bytes",
+ nbRead, len, svritem->tlsLen);
+ if (tlsLength > 0 && tlsLength == svritem->tlsLen)
+ {
+ // When successfully read data - pass them to callback.
+ // Dont invoke callback locking mutex
+ unsigned char *mesBuf = svritem->tlsdata;
+ size_t mesBufLen = svritem->tlsLen;
+ svritem->tlsdata = NULL;
+ oc_mutex_unlock(g_mutexObjectList);
+
+ res = CAdecryptSsl(&peerEP, (uint8_t *)mesBuf, mesBufLen);
+ OIC_LOG_V(INFO, TAG, "%s: CAdecryptSsl returned %d", __func__, res);
+
+ // Check for the svritem and reset buffer
+ oc_mutex_lock(g_mutexObjectList);
+ svritem = CAGetSessionInfoFromFDAsOwner(fd, &index);
+ if (svritem)
+ {
+ svritem->tlsdata = mesBuf;
+ svritem->tlsLen = 0;
+ }
+ else
+ {
+ // svritem does not exist, thus free the message buffer
+ OIC_LOG(ERROR, TAG, "svritem not found. Freeing message buffer!");
+ OICFree(mesBuf);
+ }
+ }
+ }
+#endif
+ }
+ else // Non-Secure connection
{
- svritem->sep.endpoint.adapter = CA_ADAPTER_TCP;
- g_packetReceivedCallback(&svritem->sep, svritem->recvData, svritem->recvDataLen);
- OIC_LOG_V(DEBUG, TAG, "total received data len:%d", svritem->recvDataLen);
+ svritem->protocol = COAP;
+
+ // svritem->tlsdata can also be used as receiving buffer in case of raw tcp
+ len = recv(fd, svritem->tlsdata, TLS_DATA_MAX_SIZE, 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");
+ res = CA_DESTINATION_DISCONNECTED;
+ }
+ else
+ {
+ //when successfully read data - pass them to callback.
+ OIC_LOG_V(DEBUG, TAG, "recv() : %d bytes", len);
+ if (g_packetReceivedCallback)
+ {
+ // Dont invoke callback locking mutex
+ unsigned char *mesBuf = svritem->tlsdata;
+ svritem->tlsdata = NULL;
+ oc_mutex_unlock(g_mutexObjectList);
- // initialize data info to receive next message.
- OICFree(svritem->recvData);
- svritem->recvData = NULL;
- svritem->recvDataLen = 0;
- svritem->totalDataLen = 0;
+ res = g_packetReceivedCallback(&peerEP, mesBuf, len);
+
+ // Check for the svritem and reset buffer
+ oc_mutex_lock(g_mutexObjectList);
+ svritem = CAGetSessionInfoFromFDAsOwner(fd, &index);
+ if (svritem)
+ {
+ svritem->tlsdata = mesBuf;
+ svritem->tlsLen = 0;
+ }
+ else
+ {
+ // svritem does not exist, thus free the message buffer
+ OIC_LOG(ERROR, TAG, "svritem not found. Freeing message buffer!");
+ OICFree(mesBuf);
+ }
+ }
+ }
}
- return;
+ oc_mutex_unlock(g_mutexObjectList);
+
+ if (res != CA_STATUS_OK)
+ {
+ CATCPDisconnectSession(&peerEP.endpoint);
+ }
}
-static void CAWakeUpForReadFdsUpdate(const char *host)
+static ssize_t CAWakeUpForReadFdsUpdate(const char *host)
{
if (caglobals.tcp.connectionFds[1] != -1)
{
{
OIC_LOG_V(DEBUG, TAG, "write failed: %s", strerror(errno));
}
+ return len;
}
+ return -1;
}
static CAResult_t CATCPConvertNameToAddr(int family, const char *host, uint16_t port,
return CA_STATUS_OK;
}
-static int CATCPCreateSocket(int family, CATCPSessionInfo_t *svritem)
+#if defined(__TIZEN__)
+static int CAGetHTTPStatusCode(char * response) {
+ char *resp, *code_plus, *ptrSave;
+ int ret = -1;
+
+ resp = strdup(response);
+ strtok_r(resp, " ", &ptrSave); /* skip HTTP version */
+ code_plus = strtok_r(NULL, " ", &ptrSave);
+
+ ret = code_plus ? atoi(code_plus) : -1;
+ free(resp);
+ return ret;
+}
+#endif
+
+static CAResult_t CATCPCreateSocket(int family, CATCPSessionInfo_t *svritem)
{
+ VERIFY_NON_NULL(svritem, TAG, "svritem is NULL");
+
+ OIC_LOG_V(INFO, TAG, "try to connect with [%s:%u]",
+ svritem->sep.endpoint.addr, svritem->sep.endpoint.port);
+
// #1. create tcp socket.
int fd = socket(family, SOCK_STREAM, IPPROTO_TCP);
if (-1 == fd)
{
OIC_LOG_V(ERROR, TAG, "create socket failed: %s", strerror(errno));
- return -1;
+ return CA_SOCKET_OPERATION_FAILED;
}
+ svritem->fd = fd;
// #2. convert address from string to binary.
struct sockaddr_storage sa = { .ss_family = family };
svritem->sep.endpoint.port, &sa);
if (CA_STATUS_OK != res)
{
- close(fd);
- return -1;
+ OIC_LOG(ERROR, TAG, "convert name to sockaddr failed");
+ return CA_SOCKET_OPERATION_FAILED;
}
// #3. set socket length.
- socklen_t socklen;
+ socklen_t socklen = 0;
if (sa.ss_family == AF_INET6)
{
struct sockaddr_in6 *sock6 = (struct sockaddr_in6 *)&sa;
if (!sock6->sin6_scope_id)
{
- sock6->sin6_scope_id = svritem->sep.endpoint.interface;
+ sock6->sin6_scope_id = svritem->sep.endpoint.ifindex;
}
socklen = sizeof(struct sockaddr_in6);
}
if (connect(fd, (struct sockaddr *)&sa, socklen) < 0)
{
OIC_LOG_V(ERROR, TAG, "failed to connect socket, %s", strerror(errno));
- close(fd);
- return -1;
+ 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");
- CAWakeUpForReadFdsUpdate(svritem->sep.endpoint.addr);
- return fd;
+ OIC_LOG(INFO, TAG, "connect socket success");
+ svritem->state = CONNECTED;
+ CHECKFD(svritem->fd);
+ ssize_t len = CAWakeUpForReadFdsUpdate(svritem->sep.endpoint.addr);
+ if (-1 == len)
+ {
+ OIC_LOG(ERROR, TAG, "wakeup receive thread failed");
+ return CA_SOCKET_OPERATION_FAILED;
+ }
+
+#if defined(__TIZEN__)
+ // #5. Send HTTP CONNECT to proxy if proxy
+
+ const char *cloud_address = CAGetCloudAddressForProxy();
+ OIC_LOG_V(INFO, TAG, "Proxy : '%s'", cloud_address ? cloud_address : "(nil)");
+
+ if(cloud_address && *cloud_address)
+ {
+ char message[4096];
+ int len = sprintf(message,
+ "CONNECT %s HTTP/1.1\r\n"
+ "Host: %s\r\n\r\n", cloud_address, cloud_address
+ );
+
+ ssize_t l = send(fd, message, len, 0);
+ if(l != len)
+ {
+ OIC_LOG_V(ERROR, TAG, "failed to send HTTP CONNECT data (expected %d bytes, ret %zd)", len, l);
+ close(fd);
+ svritem->fd = -1;
+ return CA_SOCKET_OPERATION_FAILED;
+ }
+
+ // maybe this should be called in other thread, it causes bottleneck.
+ OIC_LOG_V(INFO, TAG, "Message sent is : '%s'\n", message);
+
+ *message = '\0';
+ OIC_LOG_V(INFO, TAG, "Receiving response to CONNECT from proxy...");
+
+ l = recv(fd, message, 4096, 0);
+
+ OIC_LOG_V(INFO, TAG, "Received data : '%s'", message);
+ OIC_LOG_V(INFO, TAG, "Received len = %zd", l);
+
+ int status_code = CAGetHTTPStatusCode(message);
+
+ OIC_LOG_V(INFO, TAG, "HTTP status_code : %d", status_code);
+ if(status_code < 200 || status_code > 299)
+ {
+ OIC_LOG_V(ERROR, TAG, "Error, Wrong status code: %d", status_code);
+ close(fd);
+ svritem->fd = -1;
+ return CA_SOCKET_OPERATION_FAILED;
+ }
+ }
+#endif
+
+ return CA_STATUS_OK;
}
-static int CACreateAcceptSocket(int family, CASocket_t *sock)
+static CASocketFd_t CACreateAcceptSocket(int family, CASocket_t *sock)
{
VERIFY_NON_NULL_RET(sock, TAG, "sock", -1);
- if (sock->fd != -1)
+ if (OC_INVALID_SOCKET != sock->fd)
{
OIC_LOG(DEBUG, TAG, "accept socket created already");
return sock->fd;
}
- socklen_t socklen;
+ socklen_t socklen = 0;
struct sockaddr_storage server = { .ss_family = family };
int fd = socket(family, SOCK_STREAM, IPPROTO_TCP);
- if (fd < 0)
+ if (OC_INVALID_SOCKET == fd)
{
OIC_LOG(ERROR, TAG, "Failed to create socket");
goto exit;
if (family == AF_INET6)
{
- // the socket is re‐stricted to sending and receiving IPv6 packets only.
+ // 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))
{
{
close(fd);
}
- return -1;
+ return OC_INVALID_SOCKET;
}
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
}
+#ifndef DISABLE_TCP_SERVER
#define NEWSOCKET(FAMILY, NAME) \
caglobals.tcp.NAME.fd = CACreateAcceptSocket(FAMILY, &caglobals.tcp.NAME); \
if (caglobals.tcp.NAME.fd == -1) \
} \
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
+}
+#endif // DISABLE_TCP_SERVER
+
CAResult_t CATCPStartServer(const ca_thread_pool_t threadPool)
{
+ oc_mutex_lock(g_mutexObjectList);
if (caglobals.tcp.started)
{
+ 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);
+#ifndef DISABLE_TCP_SERVER
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();
}
+#endif
+#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()
{
- // mutex lock
- ca_mutex_lock(g_mutexObjectList);
+ oc_mutex_lock(g_mutexObjectList);
+ if (caglobals.tcp.terminate)
+ {
+ oc_mutex_unlock(g_mutexObjectList);
+ OIC_LOG(INFO, TAG, "Adapter is not enabled");
+ return;
+ }
- // set terminate flag
+ // set terminate flag.
caglobals.tcp.terminate = true;
- if (caglobals.tcp.shutdownFds[1] != -1)
+ oc_mutex_lock(g_mutexSend);
+ oc_cond_signal(g_condSend);
+ oc_mutex_unlock(g_mutexSend);
+
+#ifdef __TIZENRT__
+ if (caglobals.tcp.started)
{
- close(caglobals.tcp.shutdownFds[1]);
- // receive thread will stop immediately
+ oc_cond_wait(g_condObjectList, g_mutexObjectList);
+ caglobals.tcp.started = false;
}
+#endif
- if (caglobals.tcp.connectionFds[1] != -1)
+ // close accept socket.
+#ifndef __WITH_TLS__
+ CLOSE_SOCKET(ipv4);
+ CLOSE_SOCKET(ipv6);
+#else
+ CLOSE_SOCKET(ipv4s);
+ CLOSE_SOCKET(ipv6s);
+#endif
+
+ if (caglobals.tcp.connectionFds[1] != OC_INVALID_SOCKET)
{
- close(caglobals.tcp.connectionFds[1]);
+ close(caglobals.tcp.connectionFds[1]);
+ caglobals.tcp.connectionFds[1] = OC_INVALID_SOCKET;
}
-
- if (caglobals.tcp.started)
+ if (caglobals.tcp.connectionFds[0] != OC_INVALID_SOCKET)
{
- ca_cond_wait(g_condObjectList, g_mutexObjectList);
+ close(caglobals.tcp.connectionFds[0]);
+ caglobals.tcp.connectionFds[0] = OC_INVALID_SOCKET;
}
- caglobals.tcp.started = false;
-
- // mutex unlock
- ca_mutex_unlock(g_mutexObjectList);
-
- if (-1 != caglobals.tcp.ipv4.fd)
+#ifndef __TIZENRT__
+ if (caglobals.tcp.shutdownFds[1] != OC_INVALID_SOCKET)
{
- close(caglobals.tcp.ipv4.fd);
- caglobals.tcp.ipv4.fd = -1;
+ close(caglobals.tcp.shutdownFds[1]);
+ caglobals.tcp.shutdownFds[1] = OC_INVALID_SOCKET;
+ // receive thread will stop immediately
}
-
- if (-1 != caglobals.tcp.ipv6.fd)
+ if (caglobals.tcp.started)
+ {
+ oc_cond_wait(g_condObjectList, g_mutexObjectList);
+ caglobals.tcp.started = false;
+ }
+ if (caglobals.tcp.shutdownFds[0] != OC_INVALID_SOCKET)
{
- close(caglobals.tcp.ipv6.fd);
- caglobals.tcp.ipv6.fd = -1;
+ 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(INFO, TAG, "Adapter terminated successfully");
}
void CATCPSetPacketReceiveCallback(CATCPPacketReceivedCallback callback)
g_connectionCallback = connHandler;
}
-static size_t CACheckPayloadLength(const void *data, size_t dlen)
+size_t CACheckPayloadLengthFromHeader(const void *data, size_t dlen)
{
VERIFY_NON_NULL_RET(data, TAG, "data", -1);
- coap_transport_type transport = coap_get_tcp_header_type_from_initbyte(
+ coap_transport_t transport = coap_get_tcp_header_type_from_initbyte(
((unsigned char *)data)[0] >> 4);
- coap_pdu_t *pdu = coap_new_pdu(transport, dlen);
+ coap_pdu_t *pdu = coap_new_pdu2(transport, dlen);
if (!pdu)
{
OIC_LOG(ERROR, TAG, "outpdu is null");
+ OIC_LOG_V(ERROR, TAG, "data length: %zu", dlen);
return 0;
}
- int ret = coap_pdu_parse((unsigned char *) data, dlen, pdu, transport);
+ int ret = coap_pdu_parse2((unsigned char *) data, dlen, pdu, transport);
if (0 >= ret)
{
OIC_LOG(ERROR, TAG, "pdu parse failed");
size_t payloadLen = 0;
size_t headerSize = coap_get_tcp_header_length_for_transport(transport);
- OIC_LOG_V(DEBUG, TAG, "headerSize : %d, pdu length : %d",
+ OIC_LOG_V(DEBUG, TAG, "headerSize : %zu, pdu length : %d",
headerSize, pdu->length);
if (pdu->length > headerSize)
{
return payloadLen;
}
-static void sendData(const CAEndpoint_t *endpoint, const void *data,
- size_t dlen, const char *fam)
+static ssize_t sendData(const CAEndpoint_t *endpoint, const void *data,
+ size_t dlen, const char *fam)
{
- // #1. get TCP Server object from list
- size_t index = 0;
- CATCPSessionInfo_t *svritem = CAGetTCPSessionInfoFromEndpoint(endpoint, &index);
- if (!svritem)
- {
- // if there is no connection info, connect to TCP Server
- svritem = CAConnectTCPSession(endpoint);
- if (!svritem)
- {
- OIC_LOG(ERROR, TAG, "Failed to create TCP server object");
- if (g_tcpErrorHandler)
- {
- g_tcpErrorHandler(endpoint, data, dlen, CA_SEND_FAILED);
- }
- return;
- }
- }
+ OIC_LOG_V(INFO, TAG, "The length of data that needs to be sent is %zu bytes", dlen);
- // #2. check payload length
- size_t payloadLen = CACheckPayloadLength(data, dlen);
- // if payload length is zero, disconnect from TCP server
- if (!payloadLen)
+ // #1. find a session info from list.
+ CASocketFd_t sockFd = CAGetSocketFDFromEndpoint(endpoint);
+ if (OC_INVALID_SOCKET == sockFd)
{
- OIC_LOG(DEBUG, TAG, "payload length is zero, disconnect from remote device");
- CADisconnectTCPSession(svritem, index);
- return;
- }
-
- // #3. check connection state
- if (svritem->fd < 0)
- {
- // if file descriptor value is wrong, remove TCP Server info from list
- OIC_LOG(ERROR, TAG, "Failed to connect to TCP server");
- CADisconnectTCPSession(svritem, index);
- if (g_tcpErrorHandler)
+ // if there is no connection info, connect to remote device.
+ sockFd = CAConnectTCPSession(endpoint);
+ if (OC_INVALID_SOCKET == sockFd)
{
- g_tcpErrorHandler(endpoint, data, dlen, CA_SEND_FAILED);
+ OIC_LOG(ERROR, TAG, "Failed to create tcp session object");
+ return -1;
}
- return;
}
- // #4. send data to TCP Server
+ // #2. send data to remote device.
ssize_t remainLen = dlen;
+ unsigned int sendRetryTime = 1;
do
{
- ssize_t len = send(svritem->fd, 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));
- if (g_tcpErrorHandler)
- {
- g_tcpErrorHandler(endpoint, data, dlen, CA_SEND_FAILED);
- }
- return;
+ CALogSendStateInfo(endpoint->adapter, endpoint->addr, endpoint->port,
+ len, false, strerror(errno));
+ return len;
+ }
+
+ // re-trying send after 10, 20, 40, 80, 160 and 320 milliseconds
+ if (sendRetryTime > 32)
+ {
+ return len;
+ }
+
+ unsigned int waitTime = sendRetryTime * 10 * MILLISECONDS_PER_SECOND;
+ OIC_LOG_V(WARNING, TAG, "send blocked. trying send after %u microseconds", waitTime);
+
+ oc_mutex_lock(g_mutexSend);
+ oc_cond_wait_for(g_condSend, g_mutexSend, waitTime);
+ oc_mutex_unlock(g_mutexSend);
+
+ oc_mutex_lock(g_mutexObjectList);
+ if (caglobals.tcp.terminate)
+ {
+ oc_mutex_unlock(g_mutexObjectList);
+ return len;
}
+ oc_mutex_unlock(g_mutexObjectList);
+
+ sendRetryTime = (sendRetryTime << 1);
+
continue;
}
+ sendRetryTime = 1;
data += len;
remainLen -= len;
} while (remainLen > 0);
+#ifndef TB_LOG
+ (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;
}
-void CATCPSendData(CAEndpoint_t *endpoint, const void *data, uint32_t datalen,
- bool isMulticast)
+ssize_t CATCPSendData(CAEndpoint_t *endpoint, const void *data, size_t datalen)
{
- VERIFY_NON_NULL_VOID(endpoint, TAG, "endpoint is NULL");
- VERIFY_NON_NULL_VOID(data, TAG, "data is NULL");
+ VERIFY_NON_NULL_RET(endpoint, TAG, "endpoint is NULL", -1);
+ VERIFY_NON_NULL_RET(data, TAG, "data is NULL", -1);
- if (!isMulticast)
+ if (caglobals.tcp.ipv6tcpenabled && (endpoint->flags & CA_IPV6))
{
- if (caglobals.tcp.ipv6tcpenabled && (endpoint->flags & CA_IPV6))
- {
- sendData(endpoint, data, datalen, "ipv6");
- }
- if (caglobals.tcp.ipv4tcpenabled && (endpoint->flags & CA_IPV4))
- {
- sendData(endpoint, data, datalen, "ipv4");
- }
+ return sendData(endpoint, data, datalen, "ipv6");
+ }
+ if (caglobals.tcp.ipv4tcpenabled && (endpoint->flags & CA_IPV4))
+ {
+ return sendData(endpoint, data, datalen, "ipv4");
}
+
+ OIC_LOG(ERROR, TAG, "Not supported transport flags");
+ return -1;
}
CAResult_t CAGetTCPInterfaceInformation(CAEndpoint_t **info, uint32_t *size)
return CA_NOT_SUPPORTED;
}
-CATCPSessionInfo_t *CAConnectTCPSession(const CAEndpoint_t *endpoint)
+CASocketFd_t CAConnectTCPSession(const CAEndpoint_t *endpoint)
{
- VERIFY_NON_NULL_RET(endpoint, TAG, "endpoint is NULL", NULL);
+ VERIFY_NON_NULL_RET(endpoint, TAG, "endpoint is NULL", OC_INVALID_SOCKET);
// #1. create TCP server object
CATCPSessionInfo_t *svritem = (CATCPSessionInfo_t *) OICCalloc(1, sizeof (*svritem));
if (!svritem)
{
OIC_LOG(ERROR, TAG, "Out of memory");
- return NULL;
+ return OC_INVALID_SOCKET;
}
memcpy(svritem->sep.endpoint.addr, endpoint->addr, sizeof(svritem->sep.endpoint.addr));
+ svritem->sep.endpoint.adapter = endpoint->adapter;
svritem->sep.endpoint.port = endpoint->port;
svritem->sep.endpoint.flags = endpoint->flags;
- svritem->sep.endpoint.interface = endpoint->interface;
+ svritem->sep.endpoint.ifindex = endpoint->ifindex;
+ svritem->state = CONNECTING;
+ svritem->isClient = true;
- // #2. create the socket and connect to TCP server
- int family = (svritem->sep.endpoint.flags & CA_IPV6) ? AF_INET6 : AF_INET;
- int fd = CATCPCreateSocket(family, svritem);
- if (-1 == fd)
+ // Allocate message buffer
+ svritem->tlsdata = (unsigned char*) OICCalloc(TLS_DATA_MAX_SIZE, sizeof(unsigned char));
+ if (!svritem->tlsdata)
{
+ OIC_LOG(ERROR, TAG, "Out of memory");
OICFree(svritem);
- return NULL;
+ return OC_INVALID_SOCKET;
}
- // #3. add TCP connection info to list
- svritem->fd = fd;
- ca_mutex_lock(g_mutexObjectList);
+ // #2. add TCP connection info to list
+ 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->tlsdata);
OICFree(svritem);
- ca_mutex_unlock(g_mutexObjectList);
- return NULL;
+ oc_mutex_unlock(g_mutexObjectList);
+ return OC_INVALID_SOCKET;
}
}
- ca_mutex_unlock(g_mutexObjectList);
+ oc_mutex_unlock(g_mutexObjectList);
- CHECKFD(fd);
+ // #3. create the socket and connect to TCP server
+ int family = (svritem->sep.endpoint.flags & CA_IPV6) ? AF_INET6 : AF_INET;
+ if (CA_STATUS_OK != CATCPCreateSocket(family, svritem))
+ {
+ return OC_INVALID_SOCKET;
+ }
- // pass the connection information to CA Common Layer.
+ // #4. pass the connection information to CA Common Layer.
if (g_connectionCallback)
{
- g_connectionCallback(svritem->sep.endpoint.addr, svritem->sep.endpoint.port, true);
+ g_connectionCallback(&(svritem->sep.endpoint), true, svritem->isClient);
}
- return svritem;
+ return svritem->fd;
}
-CAResult_t CADisconnectTCPSession(CATCPSessionInfo_t *svritem, size_t index)
+CAResult_t CADisconnectTCPSession(size_t index)
{
- VERIFY_NON_NULL(svritem, TAG, "svritem is NULL");
-
- ca_mutex_lock(g_mutexObjectList);
-
- // close the socket and remove TCP connection info in list
- if (svritem->fd >= 0)
+ CATCPSessionInfo_t *removedData = u_arraylist_remove(caglobals.tcp.svrlist, index);
+ if (!removedData)
{
- close(svritem->fd);
+ OIC_LOG(DEBUG, TAG, "there is no data to be removed");
+ return CA_STATUS_OK;
}
- u_arraylist_remove(caglobals.tcp.svrlist, index);
- OICFree(svritem->recvData);
- // pass the connection information to CA Common Layer.
- if (g_connectionCallback)
+ // close the socket and remove session info in list.
+ if (removedData->fd >= 0)
{
- g_connectionCallback(svritem->sep.endpoint.addr, svritem->sep.endpoint.port, false);
+ shutdown(removedData->fd, SHUT_RDWR);
+ close(removedData->fd);
+ removedData->fd = -1;
+ removedData->state = (CONNECTED == removedData->state) ?
+ DISCONNECTED : removedData->state;
+
+ // pass the connection information to CA Common Layer.
+ if (g_connectionCallback && DISCONNECTED == removedData->state)
+ {
+ g_connectionCallback(&(removedData->sep.endpoint), false, removedData->isClient);
+ }
}
+ OICFree(removedData->data);
+ removedData->data = NULL;
+
+ OICFree(removedData->tlsdata);
+ removedData->tlsdata = NULL;
+
+ OICFree(removedData);
+ removedData = NULL;
+
+ OIC_LOG(DEBUG, TAG, "data is removed from session list");
- OICFree(svritem);
- ca_mutex_unlock(g_mutexObjectList);
+#ifndef DISABLE_TCP_SERVER
+ if (caglobals.server && MAX_CONNECTION_COUNTS == u_arraylist_length(caglobals.tcp.svrlist) + 1)
+ {
+ CATCPInitializeSocket();
+ }
+#endif
return CA_STATUS_OK;
}
void CATCPDisconnectAll()
{
- ca_mutex_lock(g_mutexObjectList);
- uint32_t length = u_arraylist_length(caglobals.tcp.svrlist);
+ OIC_LOG(DEBUG, TAG, "IN - CATCPDisconnectAll");
- CATCPSessionInfo_t *svritem = NULL;
- for (size_t i = 0; i < length; i++)
+ oc_mutex_lock(g_mutexObjectList);
+
+ uint32_t length = u_arraylist_length(caglobals.tcp.svrlist);
+ for (ssize_t index = length; index > 0; index--)
{
- svritem = (CATCPSessionInfo_t *) u_arraylist_get(caglobals.tcp.svrlist, i);
- if (svritem && svritem->fd >= 0)
- {
- shutdown(svritem->fd, SHUT_RDWR);
- close(svritem->fd);
- OICFree(svritem->recvData);
- }
+ // disconnect session from remote device.
+ CADisconnectTCPSession(index - 1);
}
+
u_arraylist_destroy(caglobals.tcp.svrlist);
- ca_mutex_unlock(g_mutexObjectList);
+ caglobals.tcp.svrlist = NULL;
+
+ oc_mutex_unlock(g_mutexObjectList);
+
+#ifdef __WITH_TLS__
+ CAcloseSslConnectionAll(CA_ADAPTER_TCP);
+#endif
+
+ OIC_LOG(DEBUG, TAG, "OUT - CATCPDisconnectAll");
}
CATCPSessionInfo_t *CAGetTCPSessionInfoFromEndpoint(const CAEndpoint_t *endpoint, size_t *index)
VERIFY_NON_NULL_RET(endpoint, TAG, "endpoint is NULL", NULL);
VERIFY_NON_NULL_RET(index, TAG, "index is NULL", NULL);
+ OIC_LOG_V(DEBUG, TAG, "Looking for [%s:%d]", endpoint->addr, endpoint->port);
+
// get connection info from list
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))
{
+ OIC_LOG(DEBUG, TAG, "Found in session list");
*index = i;
return svritem;
}
}
+ OIC_LOG(DEBUG, TAG, "Session not found");
return NULL;
}
+CASocketFd_t CAGetSocketFDFromEndpoint(const CAEndpoint_t *endpoint)
+{
+ VERIFY_NON_NULL_RET(endpoint, TAG, "endpoint is NULL", OC_INVALID_SOCKET);
+
+ OIC_LOG_V(DEBUG, TAG, "Looking for [%s:%d]", endpoint->addr, endpoint->port);
+
+ // get connection info from list.
+ oc_mutex_lock(g_mutexObjectList);
+ uint32_t length = u_arraylist_length(caglobals.tcp.svrlist);
+ for (size_t i = 0; i < length; i++)
+ {
+ CATCPSessionInfo_t *svritem = (CATCPSessionInfo_t *) u_arraylist_get(
+ caglobals.tcp.svrlist, i);
+ if (!svritem)
+ {
+ continue;
+ }
+
+ if (!strncmp(svritem->sep.endpoint.addr, endpoint->addr,
+ sizeof(svritem->sep.endpoint.addr))
+ && (svritem->sep.endpoint.port == endpoint->port)
+ && (svritem->sep.endpoint.flags & endpoint->flags))
+ {
+ oc_mutex_unlock(g_mutexObjectList);
+ OIC_LOG(DEBUG, TAG, "Found in session list");
+ return svritem->fd;
+ }
+ }
+
+ 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);
// 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);
return NULL;
}
+static CATCPSessionInfo_t *CAGetSessionInfoFromFDAsOwner(int fd, size_t *index)
+{
+ CATCPSessionInfo_t *svritem = NULL;
+ uint32_t length = u_arraylist_length(caglobals.tcp.svrlist);
+ for (size_t i = 0; i < length; i++)
+ {
+ svritem = (CATCPSessionInfo_t *) u_arraylist_get(caglobals.tcp.svrlist, i);
+
+ if (svritem && svritem->fd == fd)
+ {
+ *index = i;
+ return svritem;
+ }
+ }
+
+ return NULL;
+}
+
+CAResult_t CASearchAndDeleteTCPSession(const CAEndpoint_t *endpoint)
+{
+ oc_mutex_lock(g_mutexObjectList);
+
+ CAResult_t result = CA_STATUS_OK;
+ size_t index = 0;
+ CATCPSessionInfo_t *svritem = CAGetTCPSessionInfoFromEndpoint(endpoint, &index);
+ if (svritem)
+ {
+ result = CADisconnectTCPSession(index);
+ if (CA_STATUS_OK != result)
+ {
+ OIC_LOG_V(ERROR, TAG, "CADisconnectTCPSession failed, result[%d]", result);
+ }
+ }
+
+ 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");
- coap_transport_type transport = coap_get_tcp_header_type_from_initbyte(
+ coap_transport_t transport = coap_get_tcp_header_type_from_initbyte(
((unsigned char *)recvBuffer)[0] >> 4);
size_t optPaylaodLen = coap_get_length_from_header((unsigned char *)recvBuffer,
transport);
size_t headerLen = coap_get_tcp_header_length((unsigned char *)recvBuffer);
- OIC_LOG_V(DEBUG, TAG, "option/paylaod length [%d]", optPaylaodLen);
- OIC_LOG_V(DEBUG, TAG, "header length [%d]", headerLen);
- OIC_LOG_V(DEBUG, TAG, "total data length [%d]", headerLen + optPaylaodLen);
+ OIC_LOG_V(DEBUG, TAG, "option/paylaod length [%zu]", optPaylaodLen);
+ OIC_LOG_V(DEBUG, TAG, "header length [%zu]", headerLen);
+ OIC_LOG_V(DEBUG, TAG, "total data length [%zu]", headerLen + optPaylaodLen);
OIC_LOG(DEBUG, TAG, "OUT - CAGetTotalLengthFromHeader");
return headerLen + optPaylaodLen;
projects / platform / upstream / iotivity.git / blobdiff