diff options
author | Jose Bollo <jose.bollo@iot.bzh> | 2019-12-03 15:19:31 +0100 |
---|---|---|
committer | José Bollo <jose.bollo@iot.bzh> | 2019-12-03 18:51:51 +0100 |
commit | 7a28ebbeb8af7bf37d46fc1158a203790f1ddcc7 (patch) | |
tree | 824932907e4bf6869be3451b04a29f6b92c72251 | |
parent | c79b6bac7d0f6ad6139326d932d119484be53cc0 (diff) |
afb-socket: Add ability to set a default scheme
This is a basic improvement for allowing simple
option setting when uri are to be written.
It allows to set contextually the default scheme.
Bug-AGL: SPEC-2968
Signed-off-by: Jose Bollo <jose.bollo@iot.bzh>
Change-Id: I9d7be96743c47b3dd788a35b0b3642387613bacb
-rw-r--r-- | src/afb-socket.c | 55 | ||||
-rw-r--r-- | src/afb-socket.h | 14 |
2 files changed, 49 insertions, 20 deletions
diff --git a/src/afb-socket.c b/src/afb-socket.c index cf788de6..e66d3c51 100644 --- a/src/afb-socket.c +++ b/src/afb-socket.c @@ -240,25 +240,41 @@ static int open_systemd(const char *spec) * * @param uri the searched uri * @param offset where to store the prefix length + * @param scheme the default scheme to use if none is set in uri (can be NULL) * * @return the found entry or the default one */ -static struct entry *get_entry(const char *uri, int *offset) +static struct entry *get_entry(const char *uri, int *offset, const char *scheme) { - int l, i = (int)(sizeof entries / sizeof * entries); + int len, i, deflen; - for (;;) { - if (!i) { - l = 0; - break; - } + /* search as prefix of URI */ + i = (int)(sizeof entries / sizeof * entries); + while (i) { i--; - l = (int)strlen(entries[i].prefix); - if (!strncmp(uri, entries[i].prefix, l)) - break; + len = (int)strlen(entries[i].prefix); + if (!strncmp(uri, entries[i].prefix, len)) + goto end; /* found */ + } + + /* not a prefix of uri */ + len = 0; + + /* search default scheme if given and valid */ + if (scheme && *scheme) { + deflen = (int)strlen(scheme); + deflen += (scheme[deflen - 1] != ':'); /* add virtual trailing colon */ + i = (int)(sizeof entries / sizeof * entries); + while (i) { + i--; + if (deflen == (int)strlen(entries[i].prefix) + && !strncmp(scheme, entries[i].prefix, deflen - 1)) + goto end; /* found */ + } } - *offset = l; +end: + *offset = len; return &entries[i]; } @@ -267,17 +283,18 @@ static struct entry *get_entry(const char *uri, int *offset) * * @param uri the specification of the socket * @param server 0 for client, server otherwise + * @param scheme the default scheme to use if none is set in uri (can be NULL) * * @return the file descriptor number of the socket or -1 in case of error */ -static int open_uri(const char *uri, int server) +static int open_uri(const char *uri, int server, const char *scheme) { int fd, offset; struct entry *e; const char *api; /* search for the entry */ - e = get_entry(uri, &offset); + e = get_entry(uri, &offset, scheme); /* get the names */ uri += offset; @@ -324,12 +341,13 @@ static int open_uri(const char *uri, int server) * * @param uri the specification of the socket * @param server 0 for client, server otherwise + * @param scheme the default scheme to use if none is set in uri (can be NULL) * * @return the file descriptor number of the socket or -1 in case of error */ -int afb_socket_open(const char *uri, int server) +int afb_socket_open_scheme(const char *uri, int server, const char *scheme) { - int fd = open_uri(uri, server); + int fd = open_uri(uri, server, scheme); if (fd < 0) ERROR("can't open %s socket for %s", server ? "server" : "client", uri); return fd; @@ -340,15 +358,16 @@ int afb_socket_open(const char *uri, int server) * * @param uri the specification of the socket * @param server 0 for client, server otherwise + * @param scheme the default scheme to use if none is set in uri (can be NULL) * * @return the fdev of the socket or NULL in case of error */ -struct fdev *afb_socket_open_fdev(const char *uri, int server) +struct fdev *afb_socket_open_fdev_scheme(const char *uri, int server, const char *scheme) { struct fdev *fdev; int fd; - fd = afb_socket_open(uri, server); + fd = afb_socket_open_scheme(uri, server, scheme); if (fd < 0) fdev = NULL; else { @@ -374,7 +393,7 @@ const char *afb_socket_api(const char *uri) const char *api; struct entry *entry; - entry = get_entry(uri, &offset); + entry = get_entry(uri, &offset, NULL); uri += offset; uri += (entry->type == Type_Unix && *uri == '@'); api = strstr(uri, as_api); diff --git a/src/afb-socket.h b/src/afb-socket.h index e18ba5d5..f7606266 100644 --- a/src/afb-socket.h +++ b/src/afb-socket.h @@ -19,8 +19,18 @@ struct fdev; -extern int afb_socket_open(const char *uri, int server); +extern int afb_socket_open_scheme(const char *uri, int server, const char *scheme); -extern struct fdev *afb_socket_open_fdev(const char *uri, int server); +extern struct fdev *afb_socket_open_fdev_scheme(const char *uri, int server, const char *scheme); extern const char *afb_socket_api(const char *uri); + +static inline int afb_socket_open(const char *uri, int server) +{ + return afb_socket_open_scheme(uri, server, 0); +} + +static inline struct fdev *afb_socket_open_fdev(const char *uri, int server) +{ + return afb_socket_open_fdev_scheme(uri, server, 0); +} |