X-Git-Url: https://git.distorted.org.uk/~mdw/disorder/blobdiff_plain/ff75e16ea3fc8406f49fc8aa1f00407bb0391368..de37b64085838de48894200ae2b9d49417668a76:/lib/client.c

diff --git a/lib/client.c b/lib/client.c
index 5884e48..987ab01 100644
--- a/lib/client.c
+++ b/lib/client.c
@@ -151,12 +151,6 @@ static int check_response(disorder_client *c, char **rp) {
   }
 }
 
-/** @brief Marker for a command body */
-static const char disorder_body[1];
-
-/** @brief Marker for a list of args */
-static const char disorder_list[1];
-
 /** @brief Issue a command and parse a simple response
  * @param c Client
  * @param rp Where to store result, or NULL
@@ -172,19 +166,25 @@ static const char disorder_list[1];
  * NB that the response will NOT be converted to the local encoding
  * nor will quotes be stripped.  See dequote().
  *
- * Put @ref disorder_body in the argument list followed by a char **
+ * Put @ref disorder__body in the argument list followed by a char **
  * and int giving the body to follow the command.  If the int is @c -1
  * then the list is assumed to be NULL-terminated.  This may be used
  * only once.
  *
- * Put @ref disorder_list in the argument list followed by a char **
+ * Put @ref disorder__list in the argument list followed by a char **
  * and int giving a list of arguments to include.  If the int is @c -1
  * then the list is assumed to be NULL-terminated.  This may be used
  * any number of times.
  *
+ * Put @ref disorder__integer in the argument list followed by a long to
+ * send its value in decimal.  This may be used any number of times.
+ *
+ * Put @ref disorder__time in the argument list followed by a time_t
+ * to send its value in decimal.  This may be used any number of
+ * times.
+ *
  * Usually you would call this via one of the following interfaces:
  * - disorder_simple()
- * - disorder_simple_list()
  */
 static int disorder_simple_v(disorder_client *c,
 			     char **rp,
@@ -205,11 +205,11 @@ static int disorder_simple_v(disorder_client *c,
     dynstr_init(&d);
     dynstr_append_string(&d, cmd);
     while((arg = va_arg(ap, const char *))) {
-      if(arg == disorder_body) {
+      if(arg == disorder__body) {
 	body = va_arg(ap, char **);
 	nbody = va_arg(ap, int);
 	has_body = 1;
-      } else if(arg == disorder_list) {
+      } else if(arg == disorder__list) {
 	char **list = va_arg(ap, char **);
 	int nlist = va_arg(ap, int);
 	if(nlist < 0) {
@@ -220,6 +220,18 @@ static int disorder_simple_v(disorder_client *c,
 	  dynstr_append(&d, ' ');
 	  dynstr_append_string(&d, quoteutf8(arg));
 	}
+      } else if(arg == disorder__integer) {
+	long n = va_arg(ap, long);
+	char buffer[16];
+	snprintf(buffer, sizeof buffer, "%ld", n);
+	dynstr_append(&d, ' ');
+	dynstr_append_string(&d, buffer);
+      } else if(arg == disorder__time) {
+	time_t n = va_arg(ap, time_t);
+	char buffer[16];
+	snprintf(buffer, sizeof buffer, "%lld", (long long)n);
+	dynstr_append(&d, ' ');
+	dynstr_append_string(&d, buffer);
       } else {
 	dynstr_append(&d, ' ');
 	dynstr_append_string(&d, quoteutf8(arg));
@@ -286,6 +298,59 @@ static int disorder_simple(disorder_client *c,
   return ret;
 }
 
+/** @brief Issue a command and split the response
+ * @param c Client
+ * @param vecp Where to store results
+ * @param nvecp Where to store count of results
+ * @param expected Expected count (or -1 to not check)
+ * @param cmd Command
+ * @return 0 on success, non-0 on error
+ *
+ * The remaining arguments are command arguments, terminated by (char
+ * *)0.  They should be in UTF-8.
+ *
+ * 5xx responses count as errors.
+ *
+ * @p rp will NOT be filled in for xx9 responses (where it is just
+ * commentary for a command where it would normally be meaningful).
+ *
+ * NB that the response will NOT be converted to the local encoding
+ * nor will quotes be stripped.  See dequote().
+ */
+static int disorder_simple_split(disorder_client *c,
+				 char ***vecp,
+				 int *nvecp,
+				 int expected,
+				 const char *cmd, ...) {
+  va_list ap;
+  int ret;
+  char *r;
+  char **vec;
+  int nvec;
+
+  va_start(ap, cmd);
+  ret = disorder_simple_v(c, &r, cmd, ap);
+  va_end(ap);
+  if(!ret) {
+    vec = split(r, &nvec, SPLIT_QUOTES, 0, 0);
+    xfree(r);
+    if(expected < 0 || nvec == expected) {
+      *vecp = vec;
+      *nvecp = nvec;
+    } else {
+      disorder_error(0, "malformed reply to %s", cmd);
+      c->last = "malformed reply";
+      ret = -1;
+      free_strings(nvec, vec);
+    }
+  }
+  if(ret) {
+    *vecp = NULL;
+    *nvecp = 0;
+  }
+  return ret;
+}
+
 /** @brief Dequote a result string
  * @param rc 0 on success, non-0 on error
  * @param rp Where result string is stored (UTF-8)
@@ -557,14 +622,11 @@ static int onequeue(disorder_client *c, const char *cmd,
 }
 
 /** @brief Fetch the queue, recent list, etc */
-static int somequeue(disorder_client *c,
-		     const char *cmd, struct queue_entry **qp) {
+static int readqueue(disorder_client *c,
+		     struct queue_entry **qp) {
   struct queue_entry *qh, **qt = &qh, *q;
   char *l;
-  int rc;
 
-  if((rc = disorder_simple(c, 0, cmd, (char *)0)))
-    return rc;
   while(inputline(c->ident, c->fpin, &l, '\n') >= 0) {
     if(!strcmp(l, ".")) {
       *qt = 0;
@@ -583,7 +645,7 @@ static int somequeue(disorder_client *c,
     byte_xasprintf((char **)&c->last, "input error: %s", strerror(errno));
     disorder_error(errno, "error reading %s", c->ident);
   } else {
-    c->last = "input error: unexpxected EOF";
+    c->last = "input error: unexpected EOF";
     disorder_error(0, "error reading %s: unexpected EOF", c->ident);
   }
   return -1;
@@ -624,33 +686,6 @@ static int readlist(disorder_client *c, char ***vecp, int *nvecp) {
   return -1;
 }
 
-/** @brief Issue a comamnd and get a list response
- * @param c Client
- * @param vecp Where to store list (UTF-8)
- * @param nvecp Where to store number of items, or NULL
- * @param cmd Command
- * @return 0 on success, non-0 on error
- *
- * The remaining arguments are command arguments, terminated by (char
- * *)0.  They should be in UTF-8.
- *
- * 5xx responses count as errors.
- *
- * See disorder_simple().
- */
-static int disorder_simple_list(disorder_client *c,
-				char ***vecp, int *nvecp,
-				const char *cmd, ...) {
-  va_list ap;
-  int ret;
-
-  va_start(ap, cmd);
-  ret = disorder_simple_v(c, 0, cmd, ap);
-  va_end(ap);
-  if(ret) return ret;
-  return readlist(c, vecp, nvecp);
-}
-
 /** @brief Return the user we logged in with
  * @param c Client
  * @return User name (owned by @p c, don't modify)
@@ -719,41 +754,6 @@ static int boolean(const char *cmd, const char *value,
   return 0;
 }
 
-/** @brief Set volume
- * @param c Client
- * @param left New left channel value
- * @param right New right channel value
- * @return 0 on success, non-0 on error
- */
-int disorder_set_volume(disorder_client *c, int left, int right) {
-  char *ls, *rs;
-
-  if(byte_asprintf(&ls, "%d", left) < 0
-     || byte_asprintf(&rs, "%d", right) < 0)
-    return -1;
-  return disorder_simple(c, 0, "volume", ls, rs, (char *)0);
-}
-
-/** @brief Get volume
- * @param c Client
- * @param left Where to store left channel value
- * @param right Where to store right channel value
- * @return 0 on success, non-0 on error
- */
-int disorder_get_volume(disorder_client *c, int *left, int *right) {
-  char *r;
-  int rc;
-
-  if((rc = disorder_simple(c, &r, "volume", (char *)0)))
-    return rc;
-  if(sscanf(r, "%d %d", left, right) != 2) {
-    c->last = "malformed volume response";
-    disorder_error(0, "error parsing response to 'volume': '%s'", r);
-    return -1;
-  }
-  return 0;
-}
-
 /** @brief Log to a sink
  * @param c Client
  * @param s Sink to write log lines to
@@ -775,70 +775,6 @@ int disorder_log(disorder_client *c, struct sink *s) {
   return 0;
 }
 
-/** @brief Get server's RTP address information
- * @param c Client
- * @param addressp Where to store address (UTF-8)
- * @param portp Where to store port (UTF-8)
- * @return 0 on success, non-0 on error
- */
-int disorder_rtp_address(disorder_client *c, char **addressp, char **portp) {
-  char *r;
-  int rc, n;
-  char **vec;
-
-  if((rc = disorder_simple(c, &r, "rtp-address", (char *)0)))
-    return rc;
-  vec = split(r, &n, SPLIT_QUOTES, 0, 0);
-  if(n != 2) {
-    c->last = "malformed RTP address";
-    disorder_error(0, "malformed rtp-address reply");
-    return -1;
-  }
-  *addressp = vec[0];
-  *portp = vec[1];
-  return 0;
-}
-
-/** @brief Add a scheduled event
- * @param c Client
- * @param when When to trigger the event
- * @param priority Event priority ("normal" or "junk")
- * @param action What action to perform
- * @param ... Action-specific arguments
- * @return 0 on success, non-0 on error
- *
- * For action @c "play" the next argument is the track.
- *
- * For action @c "set-global" next argument is the global preference name
- * and the final argument the value to set it to, or (char *)0 to unset it.
- */
-int disorder_schedule_add(disorder_client *c,
-			  time_t when,
-			  const char *priority,
-			  const char *action,
-			  ...) {
-  va_list ap;
-  char when_str[64];
-  int rc;
-
-  snprintf(when_str, sizeof when_str, "%lld", (long long)when);
-  va_start(ap, action);
-  if(!strcmp(action, "play"))
-    rc = disorder_simple(c, 0, "schedule-add", when_str, priority,
-			 action, va_arg(ap, char *),
-			 (char *)0);
-  else if(!strcmp(action, "set-global")) {
-    const char *key = va_arg(ap, char *);
-    const char *value = va_arg(ap, char *);
-    rc = disorder_simple(c, 0,"schedule-add",  when_str, priority,
-			 action, key, value,
-			 (char *)0);
-  } else
-    disorder_fatal(0, "unknown action '%s'", action);
-  va_end(ap);
-  return rc;
-}
-
 #include "client-stubs.c"
 
 /*