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Before compiling on Windows.

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This commit is contained in:
Diego Nehab 2005-10-07 04:40:59 +00:00
parent 562d8cceb7
commit f4dadea763
26 changed files with 475 additions and 462 deletions
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113
src/usocket.c
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@ -16,21 +16,21 @@
/*-------------------------------------------------------------------------*\
* Wait for readable/writable/connected socket with timeout
\*-------------------------------------------------------------------------*/
#ifdef SOCK_POLL
#ifdef SOCKET_POLL
#include <sys/poll.h>
#define WAITFD_R POLLIN
#define WAITFD_W POLLOUT
#define WAITFD_C (POLLIN|POLLOUT)
int sock_waitfd(p_sock ps, int sw, p_tm tm) {
int socket_waitfd(p_socket ps, int sw, p_timeout tm) {
int ret;
struct pollfd pfd;
pfd.fd = *ps;
pfd.events = sw;
pfd.revents = 0;
if (tm_iszero(tm)) return IO_TIMEOUT; /* optimize timeout == 0 case */
if (timeout_iszero(tm)) return IO_TIMEOUT; /* optimize timeout == 0 case */
do {
int t = (int)(tm_getretry(tm)*1e3);
int t = (int)(timeout_getretry(tm)*1e3);
ret = poll(&pfd, 1, t >= 0? t: -1);
} while (ret == -1 && errno == EINTR);
if (ret == -1) return errno;
@ -44,18 +44,18 @@ int sock_waitfd(p_sock ps, int sw, p_tm tm) {
#define WAITFD_W 2
#define WAITFD_C (WAITFD_R|WAITFD_W)
int sock_waitfd(p_sock ps, int sw, p_tm tm) {
int socket_waitfd(p_socket ps, int sw, p_timeout tm) {
int ret;
fd_set rfds, wfds, *rp, *wp;
struct timeval tv, *tp;
double t;
if (tm_iszero(tm)) return IO_TIMEOUT; /* optimize timeout == 0 case */
if (timeout_iszero(tm)) return IO_TIMEOUT; /* optimize timeout == 0 case */
do {
/* must set bits within loop, because select may have modifed them */
rp = wp = NULL;
if (sw & WAITFD_R) { FD_ZERO(&rfds); FD_SET(*ps, &rfds); rp = &rfds; }
if (sw & WAITFD_W) { FD_ZERO(&wfds); FD_SET(*ps, &wfds); wp = &wfds; }
t = tm_getretry(tm);
t = timeout_getretry(tm);
tp = NULL;
if (t >= 0.0) {
tv.tv_sec = (int)t;
@ -75,7 +75,7 @@ int sock_waitfd(p_sock ps, int sw, p_tm tm) {
/*-------------------------------------------------------------------------*\
* Initializes module
\*-------------------------------------------------------------------------*/
int sock_open(void) {
int socket_open(void) {
/* instals a handler to ignore sigpipe or it will crash us */
signal(SIGPIPE, SIG_IGN);
return 1;
@ -84,29 +84,29 @@ int sock_open(void) {
/*-------------------------------------------------------------------------*\
* Close module
\*-------------------------------------------------------------------------*/
int sock_close(void) {
int socket_close(void) {
return 1;
}
/*-------------------------------------------------------------------------*\
* Close and inutilize socket
\*-------------------------------------------------------------------------*/
void sock_destroy(p_sock ps) {
if (*ps != SOCK_INVALID) {
sock_setblocking(ps);
void socket_destroy(p_socket ps) {
if (*ps != SOCKET_INVALID) {
socket_setblocking(ps);
close(*ps);
*ps = SOCK_INVALID;
*ps = SOCKET_INVALID;
}
}
/*-------------------------------------------------------------------------*\
* Select with timeout control
\*-------------------------------------------------------------------------*/
int sock_select(int n, fd_set *rfds, fd_set *wfds, fd_set *efds, p_tm tm) {
int socket_select(int n, fd_set *rfds, fd_set *wfds, fd_set *efds, p_timeout tm) {
int ret;
do {
struct timeval tv;
double t = tm_getretry(tm);
double t = timeout_getretry(tm);
tv.tv_sec = (int) t;
tv.tv_usec = (int) ((t - tv.tv_sec) * 1.0e6);
ret = select(n, rfds, wfds, efds, t >= 0.0? &tv: NULL);
@ -117,59 +117,59 @@ int sock_select(int n, fd_set *rfds, fd_set *wfds, fd_set *efds, p_tm tm) {
/*-------------------------------------------------------------------------*\
* Creates and sets up a socket
\*-------------------------------------------------------------------------*/
int sock_create(p_sock ps, int domain, int type, int protocol) {
int socket_create(p_socket ps, int domain, int type, int protocol) {
*ps = socket(domain, type, protocol);
if (*ps != SOCK_INVALID) return IO_DONE;
if (*ps != SOCKET_INVALID) return IO_DONE;
else return errno;
}
/*-------------------------------------------------------------------------*\
* Binds or returns error message
\*-------------------------------------------------------------------------*/
int sock_bind(p_sock ps, SA *addr, socklen_t len) {
int socket_bind(p_socket ps, SA *addr, socklen_t len) {
int err = IO_DONE;
sock_setblocking(ps);
socket_setblocking(ps);
if (bind(*ps, addr, len) < 0) err = errno;
sock_setnonblocking(ps);
socket_setnonblocking(ps);
return err;
}
/*-------------------------------------------------------------------------*\
*
\*-------------------------------------------------------------------------*/
int sock_listen(p_sock ps, int backlog) {
int socket_listen(p_socket ps, int backlog) {
int err = IO_DONE;
sock_setblocking(ps);
socket_setblocking(ps);
if (listen(*ps, backlog)) err = errno;
sock_setnonblocking(ps);
socket_setnonblocking(ps);
return err;
}
/*-------------------------------------------------------------------------*\
*
\*-------------------------------------------------------------------------*/
void sock_shutdown(p_sock ps, int how) {
sock_setblocking(ps);
void socket_shutdown(p_socket ps, int how) {
socket_setblocking(ps);
shutdown(*ps, how);
sock_setnonblocking(ps);
socket_setnonblocking(ps);
}
/*-------------------------------------------------------------------------*\
* Connects or returns error message
\*-------------------------------------------------------------------------*/
int sock_connect(p_sock ps, SA *addr, socklen_t len, p_tm tm) {
int socket_connect(p_socket ps, SA *addr, socklen_t len, p_timeout tm) {
int err;
/* avoid calling on closed sockets */
if (*ps == SOCK_INVALID) return IO_CLOSED;
if (*ps == SOCKET_INVALID) return IO_CLOSED;
/* call connect until done or failed without being interrupted */
do if (connect(*ps, addr, len) == 0) return IO_DONE;
while ((err = errno) == EINTR);
/* if connection failed immediately, return error code */
if (err != EINPROGRESS && err != EAGAIN) return err;
/* zero timeout case optimization */
if (tm_iszero(tm)) return IO_TIMEOUT;
if (timeout_iszero(tm)) return IO_TIMEOUT;
/* wait until we have the result of the connection attempt or timeout */
err = sock_waitfd(ps, WAITFD_C, tm);
err = socket_waitfd(ps, WAITFD_C, tm);
if (err == IO_CLOSED) {
if (recv(*ps, (char *) &err, 0, 0) == 0) return IO_DONE;
else return errno;
@ -179,19 +179,19 @@ int sock_connect(p_sock ps, SA *addr, socklen_t len, p_tm tm) {
/*-------------------------------------------------------------------------*\
* Accept with timeout
\*-------------------------------------------------------------------------*/
int sock_accept(p_sock ps, p_sock pa, SA *addr, socklen_t *len, p_tm tm) {
int socket_accept(p_socket ps, p_socket pa, SA *addr, socklen_t *len, p_timeout tm) {
SA daddr;
socklen_t dlen = sizeof(daddr);
if (*ps == SOCK_INVALID) return IO_CLOSED;
if (*ps == SOCKET_INVALID) return IO_CLOSED;
if (!addr) addr = &daddr;
if (!len) len = &dlen;
for ( ;; ) {
int err;
if ((*pa = accept(*ps, addr, len)) != SOCK_INVALID) return IO_DONE;
if ((*pa = accept(*ps, addr, len)) != SOCKET_INVALID) return IO_DONE;
err = errno;
if (err == EINTR) continue;
if (err != EAGAIN && err != ECONNABORTED) return err;
if ((err = sock_waitfd(ps, WAITFD_R, tm)) != IO_DONE) return err;
if ((err = socket_waitfd(ps, WAITFD_R, tm)) != IO_DONE) return err;
}
/* can't reach here */
return IO_UNKNOWN;
@ -200,11 +200,12 @@ int sock_accept(p_sock ps, p_sock pa, SA *addr, socklen_t *len, p_tm tm) {
/*-------------------------------------------------------------------------*\
* Send with timeout
\*-------------------------------------------------------------------------*/
int sock_send(p_sock ps, const char *data, size_t count, size_t *sent, p_tm tm)
int socket_send(p_socket ps, const char *data, size_t count,
size_t *sent, p_timeout tm)
{
int err;
/* avoid making system calls on closed sockets */
if (*ps == SOCK_INVALID) return IO_CLOSED;
if (*ps == SOCKET_INVALID) return IO_CLOSED;
/* loop until we send something or we give up on error */
*sent = 0;
for ( ;; ) {
@ -223,7 +224,7 @@ int sock_send(p_sock ps, const char *data, size_t count, size_t *sent, p_tm tm)
/* if failed fatal reason, report error */
if (err != EAGAIN) return err;
/* wait until we can send something or we timeout */
if ((err = sock_waitfd(ps, WAITFD_W, tm)) != IO_DONE) return err;
if ((err = socket_waitfd(ps, WAITFD_W, tm)) != IO_DONE) return err;
}
/* can't reach here */
return IO_UNKNOWN;
@ -232,11 +233,11 @@ int sock_send(p_sock ps, const char *data, size_t count, size_t *sent, p_tm tm)
/*-------------------------------------------------------------------------*\
* Sendto with timeout
\*-------------------------------------------------------------------------*/
int sock_sendto(p_sock ps, const char *data, size_t count, size_t *sent,
SA *addr, socklen_t len, p_tm tm)
int socket_sendto(p_socket ps, const char *data, size_t count, size_t *sent,
SA *addr, socklen_t len, p_timeout tm)
{
int err;
if (*ps == SOCK_INVALID) return IO_CLOSED;
if (*ps == SOCKET_INVALID) return IO_CLOSED;
*sent = 0;
for ( ;; ) {
long put = (long) sendto(*ps, data, count, 0, addr, len);
@ -248,7 +249,7 @@ int sock_sendto(p_sock ps, const char *data, size_t count, size_t *sent,
if (put == 0 || err == EPIPE) return IO_CLOSED;
if (err == EINTR) continue;
if (err != EAGAIN) return err;
if ((err = sock_waitfd(ps, WAITFD_W, tm)) != IO_DONE) return err;
if ((err = socket_waitfd(ps, WAITFD_W, tm)) != IO_DONE) return err;
}
return IO_UNKNOWN;
}
@ -256,9 +257,9 @@ int sock_sendto(p_sock ps, const char *data, size_t count, size_t *sent,
/*-------------------------------------------------------------------------*\
* Receive with timeout
\*-------------------------------------------------------------------------*/
int sock_recv(p_sock ps, char *data, size_t count, size_t *got, p_tm tm) {
int socket_recv(p_socket ps, char *data, size_t count, size_t *got, p_timeout tm) {
int err;
if (*ps == SOCK_INVALID) return IO_CLOSED;
if (*ps == SOCKET_INVALID) return IO_CLOSED;
for ( ;; ) {
long taken = (long) recv(*ps, data, count, 0);
if (taken > 0) {
@ -270,7 +271,7 @@ int sock_recv(p_sock ps, char *data, size_t count, size_t *got, p_tm tm) {
if (taken == 0) return IO_CLOSED;
if (err == EINTR) continue;
if (err != EAGAIN) return err;
if ((err = sock_waitfd(ps, WAITFD_R, tm)) != IO_DONE) return err;
if ((err = socket_waitfd(ps, WAITFD_R, tm)) != IO_DONE) return err;
}
return IO_UNKNOWN;
}
@ -278,10 +279,10 @@ int sock_recv(p_sock ps, char *data, size_t count, size_t *got, p_tm tm) {
/*-------------------------------------------------------------------------*\
* Recvfrom with timeout
\*-------------------------------------------------------------------------*/
int sock_recvfrom(p_sock ps, char *data, size_t count, size_t *got,
SA *addr, socklen_t *len, p_tm tm) {
int socket_recvfrom(p_socket ps, char *data, size_t count, size_t *got,
SA *addr, socklen_t *len, p_timeout tm) {
int err;
if (*ps == SOCK_INVALID) return IO_CLOSED;
if (*ps == SOCKET_INVALID) return IO_CLOSED;
for ( ;; ) {
long taken = (long) recvfrom(*ps, data, count, 0, addr, len);
if (taken > 0) {
@ -293,7 +294,7 @@ int sock_recvfrom(p_sock ps, char *data, size_t count, size_t *got,
if (taken == 0) return IO_CLOSED;
if (err == EINTR) continue;
if (err != EAGAIN) return err;
if ((err = sock_waitfd(ps, WAITFD_R, tm)) != IO_DONE) return err;
if ((err = socket_waitfd(ps, WAITFD_R, tm)) != IO_DONE) return err;
}
return IO_UNKNOWN;
}
@ -301,7 +302,7 @@ int sock_recvfrom(p_sock ps, char *data, size_t count, size_t *got,
/*-------------------------------------------------------------------------*\
* Put socket into blocking mode
\*-------------------------------------------------------------------------*/
void sock_setblocking(p_sock ps) {
void socket_setblocking(p_socket ps) {
int flags = fcntl(*ps, F_GETFL, 0);
flags &= (~(O_NONBLOCK));
fcntl(*ps, F_SETFL, flags);
@ -310,7 +311,7 @@ void sock_setblocking(p_sock ps) {
/*-------------------------------------------------------------------------*\
* Put socket into non-blocking mode
\*-------------------------------------------------------------------------*/
void sock_setnonblocking(p_sock ps) {
void socket_setnonblocking(p_socket ps) {
int flags = fcntl(*ps, F_GETFL, 0);
flags |= O_NONBLOCK;
fcntl(*ps, F_SETFL, flags);
@ -319,7 +320,7 @@ void sock_setnonblocking(p_sock ps) {
/*-------------------------------------------------------------------------*\
* DNS helpers
\*-------------------------------------------------------------------------*/
int sock_gethostbyaddr(const char *addr, socklen_t len, struct hostent **hp) {
int socket_gethostbyaddr(const char *addr, socklen_t len, struct hostent **hp) {
*hp = gethostbyaddr(addr, len, AF_INET);
if (*hp) return IO_DONE;
else if (h_errno) return h_errno;
@ -327,7 +328,7 @@ int sock_gethostbyaddr(const char *addr, socklen_t len, struct hostent **hp) {
else return IO_UNKNOWN;
}
int sock_gethostbyname(const char *addr, struct hostent **hp) {
int socket_gethostbyname(const char *addr, struct hostent **hp) {
*hp = gethostbyname(addr);
if (*hp) return IO_DONE;
else if (h_errno) return h_errno;
@ -339,7 +340,7 @@ int sock_gethostbyname(const char *addr, struct hostent **hp) {
* Error translation functions
* Make sure important error messages are standard
\*-------------------------------------------------------------------------*/
const char *sock_hoststrerror(int err) {
const char *socket_hoststrerror(int err) {
if (err <= 0) return io_strerror(err);
switch (err) {
case HOST_NOT_FOUND: return "host not found";
@ -347,7 +348,7 @@ const char *sock_hoststrerror(int err) {
}
}
const char *sock_strerror(int err) {
const char *socket_strerror(int err) {
if (err <= 0) return io_strerror(err);
switch (err) {
case EADDRINUSE: return "address already in use";
@ -361,7 +362,7 @@ const char *sock_strerror(int err) {
}
}
const char *sock_ioerror(p_sock ps, int err) {
const char *socket_ioerror(p_socket ps, int err) {
(void) ps;
return sock_strerror(err);
return socket_strerror(err);
}