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Display actual error codes in the nsock messages.

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Refactored the code a bit too.
This commit is contained in:
henri
2013-05-18 13:23:55 +00:00
parent 8e38e32df1
commit 3534dfa3b8
1 changed files with 82 additions and 40 deletions
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122
nsock/src/nsock_connect.c
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@@ -66,13 +66,82 @@
#include <string.h>
static int mksock_bind_addr(mspool *ms, msiod *iod) {
int rc;
int one = 1;
rc = setsockopt(iod->sd, SOL_SOCKET, SO_REUSEADDR, (const char *)&one, sizeof(one));
if (rc == -1) {
int err = socket_errno();
nsock_log_error(ms, "Setting of SO_REUSEADDR failed (#%li): %s (%d)", iod->id,
socket_strerror(err), err);
}
nsock_log_info(ms, "Binding to %s (IOD #%li)", get_localaddr_string(iod), iod->id);
rc = bind(iod->sd, (struct sockaddr *)&iod->local, (int) iod->locallen);
if (rc == -1) {
int err = socket_errno();
nsock_log_error(ms, "Bind to %s failed (IOD #%li): %s (%d)",
get_localaddr_string(iod), iod->id,
socket_strerror(err), err);
}
return 0;
}
static int mksock_set_ipopts(mspool *ms, msiod *iod) {
int rc;
errno = 0;
rc = setsockopt(iod->sd, IPPROTO_IP, IP_OPTIONS, (const char *)iod->ipopts,
iod->ipoptslen);
if (rc == -1) {
int err = socket_errno();
nsock_log_error(ms, "Setting of IP options failed (IOD #%li): %s (%d)",
iod->id, socket_strerror(err), err);
}
return 0;
}
static int mksock_bind_device(mspool *ms, msiod *iod) {
int rc;
rc = socket_bindtodevice(iod->sd, ms->device);
if (!rc) {
int err = socket_errno();
if (err != EPERM)
nsock_log_error(ms, "Setting of SO_BINDTODEVICE failed (IOD #%li): %s (%d)",
iod->id, socket_strerror(err), err);
else
nsock_log_debug_all(ms, "Setting of SO_BINDTODEVICE failed (IOD #%li): %s (%d)",
iod->id, socket_strerror(err), err);
}
return 0;
}
static int mksock_set_broadcast(mspool *ms, msiod *iod) {
int rc;
int one = 1;
rc = setsockopt(iod->sd, SOL_SOCKET, SO_BROADCAST,
(const char *)&one, sizeof(one));
if (rc == -1) {
int err = socket_errno();
nsock_log_error(ms, "Setting of SO_BROADCAST failed (IOD #%li): %s (%d)",
iod->id, socket_strerror(err), err);
}
return 0;
}
/* Create the actual socket (nse->iod->sd) underlying the iod. This unblocks the
* socket, binds to the localaddr address, sets IP options, and sets the
* broadcast flag. Trying to change these functions after making this call will
* not have an effect. This function needs to be called before you try to read
* or write on the iod. */
static int nsock_make_socket(mspool *ms, msiod *iod, int family, int type, int proto) {
int rc;
/* inheritable_socket is from nbase */
iod->sd = (int)inheritable_socket(family, type, proto);
@@ -85,47 +154,20 @@ static int nsock_make_socket(mspool *ms, msiod *iod, int family, int type, int p
iod->lastproto = proto;
if (iod->locallen) {
int one = 1;
if (iod->locallen)
mksock_bind_addr(ms, iod);
rc = setsockopt(iod->sd, SOL_SOCKET, SO_REUSEADDR, (const char *)&one, sizeof(one));
if (rc == -1)
nsock_log_error(ms, "Setting of SO_REUSEADDR failed (#%li): %s", iod->id,
socket_strerror(socket_errno()));
if (iod->ipoptslen && family == AF_INET)
mksock_set_ipopts(ms, iod);
nsock_log_info(ms, "Binding to %s (IOD #%li)", get_localaddr_string(iod), iod->id);
rc = bind(iod->sd, (struct sockaddr *)&iod->local, (int) iod->locallen);
if (rc == -1) {
nsock_log_error(ms, "Bind to %s failed (IOD #%li): %s",
get_localaddr_string(iod), iod->id,
socket_strerror(socket_errno()));
}
}
if (iod->ipoptslen && family == AF_INET) {
rc = setsockopt(iod->sd, IPPROTO_IP, IP_OPTIONS, (const char *)iod->ipopts,
iod->ipoptslen);
if (rc == -1)
nsock_log_error(ms, "Setting of IP options failed (IOD #%li): %s",
iod->id, socket_strerror(socket_errno()));
}
if (ms->device) {
errno = 0;
if (!socket_bindtodevice(iod->sd, ms->device)) {
if (errno != EPERM)
nsock_log_error(ms, "Setting of SO_BINDTODEVICE failed (IOD #%li): %s",
iod->id, socket_strerror(socket_errno()));
else
nsock_log_debug_all(ms, "Setting of SO_BINDTODEVICE failed (IOD #%li): %s",
iod->id, socket_strerror(socket_errno()));
}
}
if (ms->broadcast) {
rc = setsockopt(iod->sd, SOL_SOCKET, SO_BROADCAST,
(const char *)&(ms->broadcast), sizeof(int));
if (rc == -1)
nsock_log_error(ms, "Setting of SO_BROADCAST failed (IOD #%li): %s",
iod->id, socket_strerror(socket_errno()));
}
if (ms->device)
mksock_bind_device(ms, iod);
if (ms->broadcast)
mksock_set_broadcast(ms, iod);
/* mksock_* functions can raise warnings/errors
* but we don't let them stop us for now. */
return iod->sd;
}