/**************************************************************************** * socket.c - CC3000 Host Driver Implementation. * Copyright (C) 2011 Texas Instruments Incorporated - http://www.ti.com/ * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the * distribution. * * Neither the name of Texas Instruments Incorporated nor the names of * its contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * ****************************************************************************/ /**************************************************************************** * Included Files ****************************************************************************/ #include #include #include #include #include #include #include #include #include #include #include #include "cc3000_socket.h" #include "cc3000drv.h" #include "cc3000.h" /**************************************************************************** * Pre-processor Definitions ****************************************************************************/ #ifndef ARRAY_SIZE # define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0])) #endif #define waitlldbg(x,...) // lldbg /**************************************************************************** * Private Types ****************************************************************************/ /**************************************************************************** * Private Function Prototypes ****************************************************************************/ /**************************************************************************** * Public Data ****************************************************************************/ pthread_mutex_t g_cc3000_mut; /**************************************************************************** * Private Data ****************************************************************************/ static const int bsd2ti_types[] = { CC3000_SOCK_STREAM, /* SOCK_STREAM */ CC3000_SOCK_DGRAM, /* SOCK_DGRAM */ CC3000_SOCK_SEQPACKET, /* SOCK_SEQPACKET */ CC3000_SOCK_RAW, /* SOCK_RAW */ CC3000_SOCK_RDM /* SOCK_RDM */ }; /**************************************************************************** * Private Functions ****************************************************************************/ /**************************************************************************** * Public Functions ****************************************************************************/ /**************************************************************************** * Name: socket * * Description: * create an endpoint for communication. The socket function creates a * socket that is bound to a specific transport service provider. This * function is called by the application layer to obtain a socket handle. * * Input Parameters: * domain selects the protocol family which will be used for * communication. On this version only AF_INET is supported * type specifies the communication semantics. On this version * only SOCK_STREAM, SOCK_DGRAM, SOCK_RAW are supported * protocol specifies a particular protocol to be used with the * socket IPPROTO_TCP, IPPROTO_UDP or IPPROTO_RAW are * supported. * * Returned Value: * On success, socket handle that is used for consequent socket * operations. On error, -1 is returned. * ****************************************************************************/ int cc3000_socket(int domain, int type, int protocol) { int sd; if (type < SOCK_STREAM || type >= ARRAY_SIZE(bsd2ti_types)) { errno = EPROTOTYPE; return -1; } switch (domain) { case AF_INET: domain = CC3000_AF_INET; break; case AF_INET6: domain = CC3000_AF_INET6; break; default: errno = EAFNOSUPPORT; return -1; } switch (protocol) { case CC3000_IPPROTO_IP: case CC3000_IPPROTO_ICMP: case CC3000_IPPROTO_TCP: case CC3000_IPPROTO_UDP: case CC3000_IPPROTO_IPV6: case CC3000_IPPROTO_NONE: case CC3000_IPPROTO_TX_TEST_RAW: case CC3000_IPPROTO_RAW: case CC3000_IPPROTO_MAX: break; default: errno = EPROTONOSUPPORT; return -1; } cc3000_lib_lock(); type = bsd2ti_types[type]; sd = cc3000_socket_impl(domain, type, protocol); #ifdef CONFIG_CC3000_MT cc3000_add_socket(sd); #endif cc3000_lib_unlock(); return sd; } /**************************************************************************** * Name: closesocket * * Description: * The socket function closes a created socket. * * Input Parameters: * sockfd socket handle. * * Returned Value: * On success, zero is returned. On error, -1 is returned. * ****************************************************************************/ int cc3000_closesocket(int sockfd) { int ret; #ifdef CONFIG_CC3000_MT waitlldbg("remove\n"); cc3000_remove_socket(sockfd); #endif cc3000_lib_lock(); waitlldbg("Call closesocketl\n"); ret = cc3000_closesocket_impl(sockfd); waitlldbg("return closesocket\n"); cc3000_lib_unlock(); return ret; } /**************************************************************************** * Name: accept, cc3000_do_accept * * Description: * accept a connection on a socket: * This function is used with connection-based socket types * (SOCK_STREAM). It extracts the first connection request on the * queue of pending connections, creates a new connected socket, and * returns a new file descriptor referring to that socket. * The newly created socket is not in the listening state. * The original socket sd is unaffected by this call. * The argument sd is a socket that has been created with socket(), * bound to a local address with bind(), and is listening for * connections after a listen(). The argument addr is a pointer * to a sockaddr structure. This structure is filled in with the * address of the peer socket, as known to the communications layer. * The exact format of the address returned addr is determined by the * socket's address family. The addrlen argument is a value-result * argument: it should initially contain the size of the structure * pointed to by addr, on return it will contain the actual * length (in bytes) of the address returned. * * Input Parameters: * sockfd socket descriptor (handle) * addr the argument addr is a pointer to a sockaddr structure * This structure is filled in with the address of the * peer socket, as known to the communications layer. * determined. The exact format of the address returned * addr is by the socket's address sockaddr. * On this version only AF_INET is supported. * This argument returns in network order. * addrlen The addrlen argument is a value-result argument: * it should initially contain the size of the structure * pointed to by addr. * * Returned Value: * For socket in blocking mode: * On success, socket handle. on failure negative * For socket in non-blocking mode: * - On connection establishment, socket handle * - On connection pending, SOC_IN_PROGRESS (-2) * - On failure, SOC_ERROR (-1) * ****************************************************************************/ int cc3000_do_accept(int sockfd, struct sockaddr *addr, socklen_t *addrlen) { int ret; cc3000_lib_lock(); ret = cc3000_accept_impl(sockfd, addr, addrlen); cc3000_lib_unlock(); return ret; } int cc3000_accept(int sockfd, struct sockaddr *addr, socklen_t *addrlen) #ifdef CONFIG_CC3000_MT { short non_blocking = CC3000_SOCK_ON; if (setsockopt(sockfd, CC3000_SOL_SOCKET, CC3000_SOCKOPT_ACCEPT_NONBLOCK, &non_blocking, sizeof(non_blocking)) < 0) { ndbg("setsockopt failure %d\n", errno); return -errno; } memset(addr, 0, *addrlen); return cc3000_accept_socket(sockfd, addr, addrlen); } #else { cc3000_accept_socket(sockfd, 0); short nonBlocking = CC3000_SOCK_OFF; if (setsockopt(sockfd, CC3000_SOL_SOCKET, CC3000_SOCKOPT_ACCEPT_NONBLOCK, &nonBlocking, sizeof(nonBlocking)) < 0) { ndbg("setsockopt failure %d\n", errno); return -errno; } return cc3000_do_accept(sockfd, addr, addrlen); } #endif /**************************************************************************** * Name: bind * * Description: * assign a name to a socket * This function gives the socket the local address addr. * addr is addrlen bytes long. Traditionally, this is called when a * socket is created with socket, it exists in a name space (address * family) but has no name assigned. * It is necessary to assign a local address before a SOCK_STREAM * socket may receive connections. * * Input Parameters: * sockfd socket descriptor (handle) * addr specifies the destination address. On this version * only AF_INET is supported. * addrlen contains the size of the structure pointed to by addr. * * Returned Value: * On success, zero is returned. On error, -1 is returned. * ****************************************************************************/ int cc3000_bind(int sockfd, FAR const struct sockaddr *addr, socklen_t addrlen) { int ret; cc3000_lib_lock(); ret = cc3000_bind_impl(sockfd, addr, addrlen); cc3000_lib_unlock(); return ret; } /**************************************************************************** * Name: listen * * Description: * listen for connections on a socket * The willingness to accept incoming connections and a queue * limit for incoming connections are specified with listen(), * and then the connections are accepted with accept. * The listen() call applies only to sockets of type SOCK_STREAM * The backlog parameter defines the maximum length the queue of * pending connections may grow to. * * NOTE: On this version, backlog is not supported * * Input Parameters: * sockfd socket descriptor (handle) * backlog specifies the listen queue depth. On this version * backlog is not supported. * * Returned Value: * On success, zero is returned. On error, -1 is returned. * ****************************************************************************/ int cc3000_listen(int sockfd, int backlog) { int ret; cc3000_lib_lock(); ret = cc3000_listen_impl(sockfd, backlog); cc3000_lib_unlock(); return ret; } /**************************************************************************** * Name: connect * * Description: * initiate a connection on a socket * Function connects the socket referred to by the socket descriptor * sd, to the address specified by addr. The addrlen argument * specifies the size of addr. The format of the address in addr is * determined by the address space of the socket. If it is of type * SOCK_DGRAM, this call specifies the peer with which the socket is * to be associated; this address is that to which datagrams are to be * sent, and the only address from which datagrams are to be received. * If the socket is of type SOCK_STREAM, this call attempts to make a * connection to another socket. The other socket is specified by * address, which is an address in the communications space of the * socket. Note that the function implements only blocking behavior * thus the caller will be waiting either for the connection * establishment or for the connection establishment failure. * * Input Parameters: * sockfd socket descriptor (handle) * addr specifies the destination addr. On this version * only AF_INET is supported. * addrlen contains the size of the structure pointed to by addr * * Returned Value: * On success, zero is returned. On error, -1 is returned * ****************************************************************************/ int cc3000_connect(int sockfd, FAR const struct sockaddr *addr, socklen_t addrlen) { int ret; cc3000_lib_lock(); ret = cc3000_connect_impl(sockfd, addr, addrlen); cc3000_lib_unlock(); return ret; } /**************************************************************************** * Name: select * * Description: * Monitor socket activity * Select allow a program to monitor multiple file descriptors, * waiting until one or more of the file descriptors become * "ready" for some class of I/O operation * * NOTE: If the timeout value set to less than 5ms it will automatically set * to 5ms to prevent overload of the system * * Input Parameters: * nfds the highest-numbered file descriptor in any of the * three sets, plus 1. * readfds socket descriptors list for read monitoring * writefds socket descriptors list for write monitoring * exceptfds socket descriptors list for exception monitoring * timeout is an upper bound on the amount of time elapsed * before select() returns. Null means infinity * timeout. The minimum timeout is 5 milliseconds, * less than 5 milliseconds will be set * automatically to 5 milliseconds. * * Returned Value: * On success, select() returns the number of file descriptors * contained in the three returned descriptor sets (that is, the * total number of bits that are set in readfds, writefds, * exceptfds) which may be zero if the timeout expires before * anything interesting happens. * On error, -1 is returned. * *readfds - return the sockets on which Read request will * return without delay with valid data. * *writefds - return the sockets on which Write request * will return without delay. * *exceptfds - return the sockets which closed recently. * ****************************************************************************/ int cc3000_select(int nfds, fd_set *readfds, fd_set *writefds, fd_set *exceptfds, struct timeval *timeout) { int ret; cc3000_lib_lock(); ret = cc3000_select_impl(nfds, (TICC3000fd_set *)readfds, (TICC3000fd_set *)writefds, (TICC3000fd_set *)exceptfds, timeout); cc3000_lib_unlock(); return ret; } #ifndef CC3000_TINY_DRIVER /**************************************************************************** * Name: setsockopt * * Description: * set socket options * This function manipulate the options associated with a socket. * Options may exist at multiple protocol levels; they are always * present at the uppermost socket level. * When manipulating socket options the level at which the option * resides and the name of the option must be specified. * To manipulate options at the socket level, level is specified as * SOL_SOCKET. To manipulate options at any other level the protocol * number of the appropriate protocol controlling the option is * supplied. For example, to indicate that an option is to be * interpreted by the TCP protocol, level should be set to the * protocol number of TCP; * The parameters value and value_len are used to access value - * use for setsockopt(). For getsockopt() they identify a buffer * in which the value for the requested option(s) are to * be returned. For getsockopt(), value_len is a value-result * parameter, initially containing the size of the buffer * pointed to by option_value, and modified on return to * indicate the actual size of the value returned. If no option * value is to be supplied or returned, option_value may be NULL. * * NOTE: On this version the following two socket options are enabled: * The only protocol level supported in this version * is SOL_SOCKET (level). * * 1. SOCKOPT_RECV_TIMEOUT (option) * SOCKOPT_RECV_TIMEOUT configures recv and recvfrom timeout * in milliseconds. In that case value should be pointer to * unsigned long. * 2. SOCKOPT_NONBLOCK (option). sets the socket non-blocking mode on * or off. In that case value should be SOCK_ON or SOCK_OFF (value). * * Input Parameters: * sockfd socket handle * level defines the protocol level for this option * option defines the option name to Interrogate * value specifies a value for the option * value_len specifies the length of the option value * * Returned Value: * On success, zero is returned. On error, -1 is returned * ****************************************************************************/ int cc3000_setsockopt(int sockfd, int level, int option, FAR const void *value, socklen_t value_len) { int ret; cc3000_lib_lock(); ret = cc3000_setsockopt_impl(sockfd, level, option, value, value_len); cc3000_lib_unlock(); return ret; } #endif /**************************************************************************** * Name: getsockopt * * Description: * set socket options * This function manipulate the options associated with a socket. * Options may exist at multiple protocol levels; they are always * present at the uppermost socket level. * When manipulating socket options the level at which the option * resides and the name of the option must be specified. * To manipulate options at the socket level, level is specified as * SOL_SOCKET. To manipulate options at any other level the protocol * number of the appropriate protocol controlling the option is * supplied. For example, to indicate that an option is to be * interpreted by the TCP protocol, level should be set to the * protocol number of TCP; * The parameters value and value_len are used to access value - * use for setsockopt(). For getsockopt() they identify a buffer * in which the value for the requested option(s) are to * be returned. For getsockopt(), value_len is a value-result * parameter, initially containing the size of the buffer * pointed to by option_value, and modified on return to * indicate the actual size of the value returned. If no option * value is to be supplied or returned, option_value may be NULL. * * NOTE: On this version the following two socket options are enabled: * The only protocol level supported in this version * is SOL_SOCKET (level). * 1. SOCKOPT_RECV_TIMEOUT (option) * SOCKOPT_RECV_TIMEOUT configures recv and recvfrom timeout * in milliseconds. * In that case value should be pointer to unsigned long. * 2. SOCKOPT_NONBLOCK (option). sets the socket non-blocking mode on * or off. * In that case value should be SOCK_ON or SOCK_OFF (value). * * Input Parameters: * sockfd socket handle * level defines the protocol level for this option * option defines the option name to Interrogate * value specifies a value for the option * value_len specifies the length of the option value * * Returned Value: * On success, zero is returned. On error, -1 is returned * ****************************************************************************/ int cc3000_getsockopt(int sockfd, int level, int option, FAR void *value, FAR socklen_t *value_len) { int ret; cc3000_lib_lock(); ret = cc3000_getsockopt_impl(sockfd, level, option, value, value_len); cc3000_lib_unlock(); return ret; } /**************************************************************************** * Name: recv * * Description: * function receives a message from a connection-mode socket * * NOTE: On this version, only blocking mode is supported. * * Input Parameters: * sockfd socket handle * buf Points to the buffer where the message should be stored * len Specifies the length in bytes of the buffer pointed to * by the buffer argument. * flags Specifies the type of message reception. * On this version, this parameter is not supported. * * Returned Value: * Return the number of bytes received, or -1 if an error * occurred * ****************************************************************************/ ssize_t cc3000_recv(int sockfd, FAR void *buf, size_t len, int flags) { ssize_t ret; #ifdef CONFIG_CC3000_MT waitlldbg("wait\n"); ret = cc3000_wait_data(sockfd); waitlldbg("wait %d\n", ret); if (ret == -ECONNABORTED) { return 0; } if (ret != OK) { return -1; } #endif cc3000_lib_lock(); waitlldbg("recv\n"); ret = cc3000_recv_impl(sockfd, buf, len, flags); waitlldbg("recv %d\n", ret); cc3000_lib_unlock(); return ret; } /**************************************************************************** * Name: recvfrom * * Description: * read data from socket * function receives a message from a connection-mode or * connectionless-mode socket. Note that raw sockets are not * supported. * * NOTE: On this version, only blocking mode is supported. * * Input Parameters: * sockfd socket handle * buf Points to the buffer where the message should be stored * len Specifies the length in bytes of the buffer pointed to * by the buffer argument. * flags Specifies the type of message reception. * On this version, this parameter is not supported. * from pointer to an address structure indicating the source * address: sockaddr. On this version only AF_INET is * supported. * fromlen source address tructure size * * Returned Value: * Return the number of bytes received, or -1 if an error * occurred * ****************************************************************************/ ssize_t cc3000_recvfrom(int sockfd, FAR void *buf, size_t len, int flags, FAR struct sockaddr *from, FAR socklen_t *fromlen) { ssize_t ret; #ifdef CONFIG_CC3000_MT ret = cc3000_wait_data(sockfd); if (ret == -ECONNABORTED) { return 0; } if (ret != OK) { return -1; } #endif cc3000_lib_lock(); ret = cc3000_recvfrom_impl(sockfd, buf, len, flags, from, fromlen); cc3000_lib_unlock(); return ret; } /**************************************************************************** * Name: send * * Description: * Write data to TCP socket * This function is used to transmit a message to another * socket. * * NOTE: On this version, only blocking mode is supported. * * Input Parameters: * sockfd socket handle * buf Points to a buffer containing the message to be sent * len message size in bytes * flags On this version, this parameter is not supported * * Returned Value: * Return the number of bytes transmitted, or -1 if an * error occurred * ****************************************************************************/ ssize_t cc3000_send(int sockfd, FAR const void *buf, size_t len, int flags) { ssize_t ret; cc3000_lib_lock(); ret = cc3000_send_impl(sockfd, buf, len, flags); cc3000_lib_unlock(); return ret; } /**************************************************************************** * Name: sendto * * Description: * Write data to TCP socket * This function is used to transmit a message to another * socket. * * NOTE: On this version, only blocking mode is supported. * * Input Parameters: * sockfd socket handle * buf Points to a buffer containing the message to be sent * len message size in bytes * flags On this version, this parameter is not supported * to pointer to an address structure indicating the destination * address: sockaddr. On this version only AF_INET is * supported. * tolen destination address structure size * * Returned Value: * Return the number of bytes transmitted, or -1 if an * error occurred * ****************************************************************************/ ssize_t cc3000_sendto(int sockfd, FAR const void *buf, size_t len, int flags, FAR const struct sockaddr *to, socklen_t tolen) { ssize_t ret; cc3000_lib_lock(); ret = cc3000_sendto_impl(sockfd, buf, len, flags, to, tolen); cc3000_lib_unlock(); return ret; } /**************************************************************************** * Name: gethostbyname * * Description: * Get host IP by name. Obtain the IP Address of machine on network, * by its name. * * NOTE: On this version, only blocking mode is supported. Also note that * the function requires DNS server to be configured prior to its * usage. * * Input Parameters: * hostname host name * usNameLen name length * out_ip_addr This parameter is filled in with host IP address. * In case that host name is not resolved, * out_ip_addr is zero. * * Returned Value: * On success, positive is returned. On error, negative is returned * ****************************************************************************/ #ifndef CC3000_TINY_DRIVER /* REVISIT: Standard is struct hostent *gethostbyname(const char *name); */ int cc3000_gethostbyname(char *hostname, uint16_t usNameLen, unsigned long *out_ip_addr) { int ret; cc3000_lib_lock(); ret = cc3000_gethostbyname_impl(hostname, usNameLen, out_ip_addr); cc3000_lib_unlock(); return ret; } #endif /**************************************************************************** * Name: mdnsAdvertiser * * Description: * Set CC3000 in mDNS advertiser mode in order to advertise itself. * * Input Parameters: * mdnsEnabled flag to enable/disable the mDNS feature * deviceServiceName Service name as part of the published * canonical domain name * deviceServiceNameLength Length of the service name * * Returned Value: * On success, zero is returned, return SOC_ERROR if socket was not * opened successfully, or if an error occurred. * ****************************************************************************/ int cc3000_mdnsadvertiser(uint16_t mdnsEnabled, char *deviceServiceName, uint16_t deviceServiceNameLength) { int ret; cc3000_lib_lock(); ret = cc3000_mdnsadvertiser_impl(mdnsEnabled, deviceServiceName, deviceServiceNameLength); cc3000_lib_unlock(); return ret; }