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Sockets: add sendmsg

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Adds sendmsg implementation for TCP and UDP sockets. Control messages
are not supported at this point, but could be added in the future

https://savannah.nongnu.org/bugs/?44805

Change-Id: Iddb287fd4b693f7563f8c923f76785cdde782d2f
This commit is contained in:
Joel Cunningham
2015-09-16 15:49:02 -05:00
parent 68a1ec2eb1
commit c1c1754171
2 changed files with 162 additions and 0 deletions
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20
src/include/lwip/sockets.h
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@@ -136,6 +136,23 @@ struct lwip_setgetsockopt_data {
};
#endif /* !LWIP_TCPIP_CORE_LOCKING */
#if !defined(iovec)
struct iovec {
void *iov_base;
size_t iov_len;
};
#endif
struct msghdr {
void *msg_name;
socklen_t msg_namelen;
struct iovec *msg_iov;
int msg_iovlen;
void *msg_control;
socklen_t msg_controllen;
int msg_flags;
};
/* Socket protocol types (TCP/UDP/RAW) */
#define SOCK_STREAM 1
#define SOCK_DGRAM 2
@@ -442,6 +459,7 @@ void lwip_socket_thread_cleanup(void); /* LWIP_NETCONN_SEM_PER_THREAD==1: destro
#define lwip_recv recv
#define lwip_recvfrom recvfrom
#define lwip_send send
#define lwip_sendmsg sendmsg
#define lwip_sendto sendto
#define lwip_socket socket
#define lwip_select select
@@ -473,6 +491,7 @@ int lwip_read(int s, void *mem, size_t len);
int lwip_recvfrom(int s, void *mem, size_t len, int flags,
struct sockaddr *from, socklen_t *fromlen);
int lwip_send(int s, const void *dataptr, size_t size, int flags);
int lwip_sendmsg(int s, const struct msghdr *message, int flags);
int lwip_sendto(int s, const void *dataptr, size_t size, int flags,
const struct sockaddr *to, socklen_t tolen);
int lwip_socket(int domain, int type, int protocol);
@@ -497,6 +516,7 @@ int lwip_fcntl(int s, int cmd, int val);
#define recv(s,mem,len,flags) lwip_recv(s,mem,len,flags)
#define recvfrom(s,mem,len,flags,from,fromlen) lwip_recvfrom(s,mem,len,flags,from,fromlen)
#define send(s,dataptr,size,flags) lwip_send(s,dataptr,size,flags)
#define sendmsg(s,message,flags) lwip_sendmsg(s,message,flags)
#define sendto(s,dataptr,size,flags,to,tolen) lwip_sendto(s,dataptr,size,flags,to,tolen)
#define socket(domain,type,protocol) lwip_socket(domain,type,protocol)
#define select(maxfdp1,readset,writeset,exceptset,timeout) lwip_select(maxfdp1,readset,writeset,exceptset,timeout)