X-Git-Url: http://www.average.org/gitweb/?p=psmb.git;a=blobdiff_plain;f=src%2Fpsmb_socket.c;h=a3c718a9902334f9804cb6fa8338e3b1f9816961;hp=4d263526362d5137f5c616d9a2658b8220d0b0dd;hb=80f280e926ad1dfbd32edc8a8d2cd9a3f339f7b7;hpb=0e17b577419dd949124a0ca44c335c4ca929e928

diff --git a/src/psmb_socket.c b/src/psmb_socket.c
index 4d26352..a3c718a 100644
--- a/src/psmb_socket.c
+++ b/src/psmb_socket.c
@@ -20,8 +20,12 @@ psmb_ctx_t *psmb_new_mm(void *(*malloc)(size_t size),
 			void *(*realloc)(void *ptr, size_t size))
 {
 	psmb_ctx_t *ctx = (*malloc)(sizeof(psmb_ctx_t));
-	if (!ctx)
+	if (!ctx) {
+		int sverr = errno;
+		LOG(ctx, LOG_ERR, "failed to allocate psmb_ctx: %m");
+		errno = sverr;
 		return NULL;
+	}
 	*ctx = (psmb_ctx_t){
 		.fd = -1,
 		.malloc = malloc, .free = free, .realloc = realloc,
@@ -40,6 +44,7 @@ psmb_result_t psmb_set_logf(psmb_ctx_t *ctx,
 		ctx->log_priv = log_priv;
 		return (psmb_result_t){PSMB_OK};
 	} else {
+		LOG(ctx, LOG_ERR, "psmb_set_...() used after psmb_open()");
 		errno = EBUSY;
 		return (psmb_result_t){PSMB_ERROR};
 	}
@@ -51,6 +56,7 @@ psmb_result_t psmb_set_pmtu(psmb_ctx_t *ctx, unsigned int pmtu)
 		ctx->pmtu = pmtu;
 		return (psmb_result_t){PSMB_OK};
 	} else {
+		LOG(ctx, LOG_ERR, "psmb_set_...() used after psmb_open()");
 		errno = EBUSY;
 		return (psmb_result_t){PSMB_ERROR};
 	}
@@ -62,6 +68,21 @@ psmb_result_t psmb_set_port(psmb_ctx_t *ctx, unsigned short port)
 		ctx->port = port;
 		return (psmb_result_t){PSMB_OK};
 	} else {
+		LOG(ctx, LOG_ERR, "psmb_set_...() used after psmb_open()");
+		errno = EBUSY;
+		return (psmb_result_t){PSMB_ERROR};
+	}
+}
+
+psmb_result_t psmb_set_mgrp(psmb_ctx_t *ctx, struct in6_addr prefix,
+	unsigned char prefixlen)
+{
+	if (ctx->fd == -1) {
+		ctx->prefix = prefix;
+		ctx->prefixlen = prefixlen;
+		return (psmb_result_t){PSMB_OK};
+	} else {
+		LOG(ctx, LOG_ERR, "psmb_set_...() used after psmb_open()");
 		errno = EBUSY;
 		return (psmb_result_t){PSMB_ERROR};
 	}
@@ -77,16 +98,21 @@ psmb_result_t psmb_open(psmb_ctx_t *ctx)
 	};
 
 	if (ctx->fd != -1) {
+		LOG(ctx, LOG_ERR, "redundant call to psmb_open()");
 		errno = EBUSY;
 		return (psmb_result_t){PSMB_ERROR};
 	}
 	ctx->fd = socket(AF_INET6, SOCK_DGRAM, IPPROTO_IPV6);
 	if (ctx->fd == -1) {
+		int sverr = errno;
+		LOG(ctx, LOG_ERR, "socket: %m");
+		errno = sverr;
 		return (psmb_result_t){PSMB_ERROR};
 	}
 	if (setsockopt(ctx->fd, SOL_SOCKET, SO_REUSEADDR,
 			&on, sizeof(on)) < 0) {
 		int sverr = errno;
+		LOG(ctx, LOG_ERR, "setsockopt(..., SO_REUSEADDR, ...): %m");
 		close(ctx->fd);
 		ctx->fd = -1;
 		errno = sverr;
@@ -95,6 +121,7 @@ psmb_result_t psmb_open(psmb_ctx_t *ctx)
 	if (setsockopt(ctx->fd, IPPROTO_IPV6, IPV6_PKTINFO,
 			&on, sizeof(on)) < 0) {
 		int sverr = errno;
+		LOG(ctx, LOG_ERR, "setsockopt(..., IPV6_PKTINFO, ...): %m");
 		close(ctx->fd);
 		ctx->fd = -1;
 		errno = sverr;
@@ -103,6 +130,7 @@ psmb_result_t psmb_open(psmb_ctx_t *ctx)
 	if (bind(ctx->fd, (struct sockaddr *)&addr,
 			sizeof(struct sockaddr)) == -1) {
 		int sverr = errno;
+		LOG(ctx, LOG_ERR, "bind(): %m");
 		close(ctx->fd);
 		ctx->fd = -1;
 		errno = sverr;