some more doxygen work (include the notion of modules)

1 files changed, 48 insertions, 1 deletions

diff --git a/src/socket.c b/src/socket.c
index f1fcccd5..1a1d71dc 100644
--- a/src/socket.c
+++ b/src/socket.c
@@ -1,5 +1,13 @@
 #include "../config.h"
 
+/*! \addtogroup socket
+ *  @{
+ */
+
+/*! \file socket.c
+ *  \brief Osmocom socket convenience functions
+ */
+
 #ifdef HAVE_SYS_SOCKET_H
 
 #include <osmocom/core/logging.h>
@@ -18,6 +26,18 @@
 #include <netdb.h>
 #include <ifaddrs.h>
 
+/*! \brief Initialize a socket (including bind/connect)
+ *  \param[in] family Address Family like AF_INET, AF_INET6, AF_UNSPEC
+ *  \param[in] type Socket type like SOCK_DGRAM, SOCK_STREAM
+ *  \param[in] proto Protocol like IPPROTO_TCP, IPPROTO_UDP
+ *  \param[in] host remote host name or IP address in string form
+ *  \param[in] port remote port number in host byte order
+ *  \param[in] flags flags like \ref OSMO_SOCK_F_CONNECT
+ *
+ * This function creates a new socket of the designated \a family, \a
+ * type and \a proto and optionally binds or connects it, depending on
+ * the value of \a flags parameter.
+ */
 int osmo_sock_init(uint16_t family, uint16_t type, uint8_t proto,
 		   const char *host, uint16_t port, unsigned int flags)
 {
@@ -93,6 +113,18 @@ int osmo_sock_init(uint16_t family, uint16_t type, uint8_t proto,
 	return sfd;
 }
 
+/*! \brief Initialize a socket and fill \ref osmo_fd
+ *  \param[out] osmocom file descriptor (will be filled in)
+ *  \param[in] family Address Family like AF_INET, AF_INET6, AF_UNSPEC
+ *  \param[in] type Socket type like SOCK_DGRAM, SOCK_STREAM
+ *  \param[in] proto Protocol like IPPROTO_TCP, IPPROTO_UDP
+ *  \param[in] host remote host name or IP address in string form
+ *  \param[in] port remote port number in host byte order
+ *  \param[in] flags flags like \ref OSMO_SOCK_F_CONNECT
+ *
+ * This function creates (and optionall binds/connects) a socket using
+ * \ref osmo_sock_init, but also fills the \a ofd structure.
+ */
 int osmo_sock_init_ofd(struct osmo_fd *ofd, int family, int type, int proto,
 			const char *host, uint16_t port, unsigned int flags)
 {
@@ -114,6 +146,15 @@ int osmo_sock_init_ofd(struct osmo_fd *ofd, int family, int type, int proto,
 	return sfd;
 }
 
+/*! \brief Initialize a socket and fill \ref sockaddr
+ *  \param[out] ss socket address (will be filled in)
+ *  \param[in] type Socket type like SOCK_DGRAM, SOCK_STREAM
+ *  \param[in] proto Protocol like IPPROTO_TCP, IPPROTO_UDP
+ *  \param[in] flags flags like \ref OSMO_SOCK_F_CONNECT
+ *
+ * This function creates (and optionall binds/connects) a socket using
+ * \ref osmo_sock_init, but also fills the \a ss structure.
+ */
 int osmo_sock_init_sa(struct sockaddr *ss, uint16_t type,
 		      uint8_t proto, unsigned int flags)
 {
@@ -177,7 +218,11 @@ static int sockaddr_equal(const struct sockaddr *a,
 	return 0;
 }
 
-/* determine if the given address is a local address */
+/*! \brief Determine if the given address is a local address
+ *  \param[in] addr Socket Address
+ *  \param[in] addrlen Length of socket address in bytes
+ *  \returns 1 if address is local, 0 otherwise.
+ */
 int osmo_sockaddr_is_local(struct sockaddr *addr, socklen_t addrlen)
 {
 	struct ifaddrs *ifaddr, *ifa;
@@ -198,3 +243,5 @@ int osmo_sockaddr_is_local(struct sockaddr *addr, socklen_t addrlen)
 }
 
 #endif /* HAVE_SYS_SOCKET_H */
+
+/*! }@ */