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authorJannis Hoffmann <jannis@fehcom.de>2024-07-09 13:58:20 +0200
committerJannis Hoffmann <jannis@fehcom.de>2024-07-09 13:58:20 +0200
commit249866e3d1e11dc72eaa1305f4bb479ded92ef38 (patch)
tree7118c5f58e29fe61c100e4d067bb90ba8d52589e /src/timeoutconn.c
parent96cf8dffe4f7b0b910f790066ae622dc429eb522 (diff)
reorganized file structure
Moved c files into src/. Corrected VERSION file. Removed BUILD and FILES.
Diffstat (limited to 'src/timeoutconn.c')
-rw-r--r--src/timeoutconn.c112
1 files changed, 112 insertions, 0 deletions
diff --git a/src/timeoutconn.c b/src/timeoutconn.c
new file mode 100644
index 0000000..c94f600
--- /dev/null
+++ b/src/timeoutconn.c
@@ -0,0 +1,112 @@
+#include "ndelay.h"
+#include "socket_if.h"
+#include "iopause.h"
+#include "error.h"
+#include "timeoutconn.h"
+#include "ip.h"
+
+/**
+ @file timeoutconn.c
+ @author djb, fefe, feh
+ @source qmail
+ @brief socket read/write timeout handling; return code of iopause considered
+*/
+
+int timeoutconn4(int s,char ip[4],uint16 port,unsigned int timeout)
+{
+ struct taia now;
+ struct taia deadline;
+ iopause_fd x;
+ unsigned int p = 0;
+
+ if (socket_connect4(s,ip,port) == -1) {
+ if ((errno != EWOULDBLOCK) && (errno != EINPROGRESS)) return -1;
+ x.fd = s;
+ x.events = IOPAUSE_WRITE;
+ taia_now(&now);
+ taia_uint(&deadline,timeout);
+ taia_add(&deadline,&now,&deadline);
+ for (;;) {
+ taia_now(&now);
+ iopause(&x,1,&deadline,&now);
+ if (x.revents) break; /* 's' available */
+ if (taia_less(&deadline,&now)) {
+ errno = ETIMEDOUT; /* note that connect attempt is continuing */
+ return -1;
+ }
+ p++;
+ }
+ if (!socket_connected(s)) return -1;
+ }
+
+ if (ndelay_off(s) == -1) return -1;
+ return 0;
+}
+
+int timeoutconn6(int s,char ip[16],uint16 port,unsigned int timeout,uint32 netif)
+{
+ struct taia now;
+ struct taia deadline;
+ iopause_fd x;
+ unsigned int p = 0;
+
+ if (socket_connect6(s,ip,port,netif) == -1) {
+ if ((errno != EWOULDBLOCK) && (errno != EINPROGRESS)) return -1;
+ x.fd = s;
+ x.events = IOPAUSE_WRITE;
+ taia_now(&now);
+ taia_uint(&deadline,timeout);
+ taia_add(&deadline,&now,&deadline);
+ for (;;) {
+ taia_now(&now);
+ iopause(&x,1,&deadline,&now);
+ if (x.revents) break; /* 's' available */
+ if (taia_less(&deadline,&now)) {
+ errno = ETIMEDOUT; /* note that connect attempt is continuing */
+ return -1;
+ }
+ p++;
+ }
+ if (!socket_connected(s)) return -1;
+ }
+
+ if (ndelay_off(s) == -1) return -1;
+ return 0;
+}
+
+int timeoutconn(int s,char ip[16],uint16 port,unsigned int timeout,uint32 netif)
+{
+ struct taia now;
+ struct taia deadline;
+ iopause_fd x;
+ unsigned int p = 0;
+ int r;
+
+ if (ip6_isv4mapped(ip))
+ r = socket_connect4(s,ip + 12,port);
+ else
+ r = socket_connect6(s,ip,port,netif);
+
+ if (r == -1) {
+ if ((errno != EWOULDBLOCK) && (errno != EINPROGRESS)) return -1;
+ x.fd = s;
+ x.events = IOPAUSE_WRITE;
+ taia_now(&now);
+ taia_uint(&deadline,timeout);
+ taia_add(&deadline,&now,&deadline);
+ for (;;) {
+ taia_now(&now);
+ iopause(&x,1,&deadline,&now);
+ if (x.revents) break; /* 's' available */
+ if (taia_less(&deadline,&now)) {
+ errno = ETIMEDOUT; /* note that connect attempt is continuing */
+ return -1;
+ }
+ p++;
+ }
+ if (!socket_connected(s)) return -1;
+ }
+
+ if (ndelay_off(s) == -1) return -1;
+ return 0;
+}