]> git.tuebingen.mpg.de Git - paraslash.git/blobdiff - audiod.c
Convert filters to lopsub.
[paraslash.git] / audiod.c
index bd97f15e22e1629e8b9b0895420438dd5fb46194..5f4acb4364abe09ecc77923d37e378bbd6b57791 100644 (file)
--- a/audiod.c
+++ b/audiod.c
 #include <netdb.h>
 #include <signal.h>
 #include <pwd.h>
+#include <lopsub.h>
 
+#include "recv_cmd.lsg.h"
+#include "client.lsg.h"
 #include "para.h"
 #include "error.h"
 #include "crypt.h"
@@ -27,7 +30,6 @@
 #include "recv.h"
 #include "filter.h"
 #include "grab_client.h"
-#include "client.cmdline.h"
 #include "client.h"
 #include "audiod.h"
 #include "net.h"
 #include "signal.h"
 #include "version.h"
 
+/** Array of error strings. */
+DEFINE_PARA_ERRLIST;
+
 __printf_2_3 void (*para_log)(int, const char*, ...) = daemon_log;
-/** define the array of error lists needed by para_audiod */
-INIT_AUDIOD_ERRLISTS;
 /** define the array containing all supported audio formats */
 const char *audio_formats[] = {AUDIOD_AUDIO_FORMAT_ARRAY NULL};
 
-DEFINE_RECEIVER_ARRAY;
-
 /** Defines how audiod handles one supported audio format. */
 struct audio_format_info {
-       /** pointer to the receiver for this audio format */
-       struct receiver *receiver;
-       /** the receiver configuration */
-       void *receiver_conf;
+       /** the receiver for this audio format */
+       int receiver_num;
+       /** Parsed receiver command line. */
+       struct lls_parse_result *receiver_lpr;
        /** the number of filters that should be activated for this audio format */
        unsigned int num_filters;
        /** Array of filter numbers to be activated. */
        unsigned *filter_nums;
        /** Pointer to the array of filter configurations. */
        void **filter_conf;
+       /** Parsed filter command line, one parse result per filter. */
+       struct lls_parse_result **filter_lpr;
        /** the number of filters that should be activated for this audio format */
        unsigned int num_writers;
        /** Array of writer numbers to be activated. */
@@ -87,6 +90,9 @@ struct slot_info {
        struct writer_node *wns;
 };
 
+#define RECEIVER_CMD(_a) lls_cmd((_a)->receiver_num, recv_cmd_suite)
+#define RECEIVER(_a) ((const struct receiver *)lls_user_data(RECEIVER_CMD(_a)))
+
 /** Maximal number of simultaneous instances. */
 #define MAX_STREAM_SLOTS 5
 
@@ -475,7 +481,7 @@ static void close_receiver(int slot_num)
        a = &afi[s->format];
        PARA_NOTICE_LOG("closing %s receiver in slot %d\n",
                audio_formats[s->format], slot_num);
-       a->receiver->close(s->receiver_node);
+       RECEIVER(a)->close(s->receiver_node);
        btr_remove_node(&s->receiver_node->btrn);
        task_reap(&s->receiver_node->task);
        free(s->receiver_node);
@@ -588,17 +594,20 @@ static void open_filters(struct slot_info *s)
        parent = s->receiver_node->btrn;
        for (i = 0; i < nf; i++) {
                char buf[20];
+               const char *name;
                const struct filter *f = filter_get(a->filter_nums[i]);
                fn = s->fns + i;
                fn->filter_num = a->filter_nums[i];
                fn->conf = a->filter_conf[i];
+               fn->lpr = a->filter_lpr[i];
+               name = filter_name(fn->filter_num);
                fn->btrn = btr_new_node(&(struct btr_node_description)
-                       EMBRACE(.name = f->name, .parent = parent,
+                       EMBRACE(.name = name, .parent = parent,
                                .handler = f->execute, .context = fn));
 
                if (f->open)
                        f->open(fn);
-               sprintf(buf, "%s (slot %d)", f->name, (int)(s - slot));
+               sprintf(buf, "%s (slot %d)", name, (int)(s - slot));
                fn->task = task_register(&(struct task_info) {
                        .name = buf,
                        .pre_select = f->pre_select,
@@ -607,7 +616,7 @@ static void open_filters(struct slot_info *s)
                }, &sched);
                parent = fn->btrn;
                PARA_NOTICE_LOG("%s filter %d/%d (%s) started in slot %d\n",
-                       audio_formats[s->format], i,  nf, f->name, (int)(s - slot));
+                       audio_formats[s->format], i,  nf, name, (int)(s - slot));
        }
 }
 
@@ -637,7 +646,8 @@ static int open_receiver(int format)
        struct audio_format_info *a = &afi[format];
        struct slot_info *s;
        int ret, slot_num;
-       struct receiver *r = a->receiver;
+       const struct receiver *r = RECEIVER(a);
+       const char *name = lls_command_name(RECEIVER_CMD(a));
        struct receiver_node *rn;
 
        tv_add(now, &(struct timeval)EMBRACE(2, 0), &a->restart_barrier);
@@ -647,9 +657,9 @@ static int open_receiver(int format)
        slot_num = ret;
        rn = para_calloc(sizeof(*rn));
        rn->receiver = r;
-       rn->conf = a->receiver_conf;
+       rn->lpr = a->receiver_lpr;
        rn->btrn = btr_new_node(&(struct btr_node_description)
-               EMBRACE(.name = r->name, .context = rn));
+               EMBRACE(.name = name, .context = rn));
        ret = r->open(rn);
        if (ret < 0) {
                btr_remove_node(&rn->btrn);
@@ -660,9 +670,9 @@ static int open_receiver(int format)
        s->format = format;
        s->receiver_node = rn;
        PARA_NOTICE_LOG("started %s: %s receiver in slot %d\n",
-               audio_formats[format], r->name, slot_num);
+               audio_formats[format], name, slot_num);
        rn->task = task_register(&(struct task_info) {
-               .name = r->name,
+               .name = name,
                .pre_select = r->pre_select,
                .post_select = r->post_select,
                .context = rn,
@@ -825,7 +835,7 @@ static int update_item(int itemnum, char *buf)
        return 1;
 }
 
-static int parse_stream_command(const char *txt, char **cmd)
+static int parse_stream_command(const char *txt, const char **cmd)
 {
        int ret, len;
        char *re, *p = strchr(txt, ':');
@@ -842,31 +852,34 @@ static int parse_stream_command(const char *txt, char **cmd)
        return ret;
 }
 
-static int add_filter(int format, char *cmdline)
+static int add_filter(int format, const char *cmdline)
 {
        struct audio_format_info *a = &afi[format];
        int filter_num, nf = a->num_filters;
        void *cfg;
+       struct lls_parse_result *flpr;
 
-       filter_num = check_filter_arg(cmdline, &cfg);
-       if (filter_num < 0)
-               return filter_num;
+       filter_num = filter_setup(cmdline, &cfg, &flpr);
+       a->filter_lpr = para_realloc(a->filter_lpr,
+               (nf + 1) * sizeof(flpr));
        a->filter_conf = para_realloc(a->filter_conf,
                (nf + 1) * sizeof(void *));
        a->filter_nums = para_realloc(a->filter_nums,
                (nf + 1) * sizeof(unsigned));
+
        a->filter_nums[nf] = filter_num;
        a->filter_conf[nf] = cfg;
+       a->filter_lpr[nf] = flpr;
        a->num_filters++;
        PARA_INFO_LOG("%s filter %d: %s\n", audio_formats[format], nf,
-               filter_get(filter_num)->name);
+               filter_name(filter_num));
        return filter_num;
 }
 
 static int parse_writer_args(void)
 {
        int i, ret;
-       char *cmd;
+       const char *cmd;
        struct audio_format_info *a;
 
        for (i = 0; i < conf.writer_given; i++) {
@@ -913,12 +926,13 @@ static int parse_writer_args(void)
 
 static int parse_receiver_args(void)
 {
-       int i, ret, receiver_num;
-       char *cmd = NULL;
+       int i, ret;
+       const char *arg;
        struct audio_format_info *a;
 
+       FOR_EACH_AUDIO_FORMAT(i)
+               afi[i].receiver_num = -1;
        for (i = conf.receiver_given - 1; i >= 0; i--) {
-               char *arg;
                int j, af_mask;
 
                ret = parse_stream_command(conf.receiver_arg[i], &arg);
@@ -935,37 +949,27 @@ static int parse_receiver_args(void)
                         * config here. Since we are iterating backwards, the winning
                         * receiver arg is in fact the first one given.
                         */
-                       if (a->receiver_conf)
-                               a->receiver->free_config(a->receiver_conf);
-                       a->receiver_conf = check_receiver_arg(arg, &receiver_num);
-                       ret = -E_RECV_SYNTAX;
-                       if (!a->receiver_conf)
-                               goto out;
-                       a->receiver = receivers + receiver_num;
+                       lls_free_parse_result(a->receiver_lpr, RECEIVER_CMD(a));
+                       a->receiver_num = check_receiver_arg(arg, &a->receiver_lpr);
                }
        }
        /*
-        * Use the first available receiver with no arguments for those audio
-        * formats for which no receiver was specified.
+        * Use the default receiver for those audio formats for which no
+        * receiver was specified.
         */
-       cmd = para_strdup(receivers[0].name);
        FOR_EACH_AUDIO_FORMAT(i) {
-               a = &afi[i];
-               if (a->receiver_conf)
+               a = afi + i;
+               if (a->receiver_num >= 0)
                        continue;
-               a->receiver_conf = check_receiver_arg(cmd, &receiver_num);
-               if (!a->receiver_conf)
-                       return -E_RECV_SYNTAX;
-               a->receiver = &receivers[receiver_num];
+               a->receiver_num = check_receiver_arg(NULL, &a->receiver_lpr);
        }
        FOR_EACH_AUDIO_FORMAT(i) {
                a = afi + i;
                PARA_INFO_LOG("receiving %s streams via %s receiver\n",
-                       audio_formats[i], a->receiver->name);
+                       audio_formats[i], lls_command_name(RECEIVER_CMD(a)));
        }
        ret = 1;
 out:
-       free(cmd);
        return ret;
 }
 
@@ -975,6 +979,7 @@ static int init_default_filters(void)
 
        FOR_EACH_AUDIO_FORMAT(i) {
                struct audio_format_info *a = &afi[i];
+               const char *name = lls_command_name(RECEIVER_CMD(a));
                char *tmp;
                int j;
 
@@ -984,8 +989,7 @@ static int init_default_filters(void)
                 * udp and dccp streams are fec-encoded, so add fecdec as the
                 * first filter.
                 */
-               if (strcmp(afi[i].receiver->name, "udp") == 0 ||
-                               strcmp(afi[i].receiver->name, "dccp") == 0) {
+               if (strcmp(name, "udp") == 0 || strcmp(name, "dccp") == 0) {
                        tmp = para_strdup("fecdec");
                        add_filter(i, tmp);
                        free(tmp);
@@ -995,19 +999,19 @@ static int init_default_filters(void)
                /* add "dec" to audio format name */
                tmp = make_message("%sdec", audio_formats[i]);
                for (j = 0; filter_get(j); j++)
-                       if (!strcmp(tmp, filter_get(j)->name))
+                       if (!strcmp(tmp, filter_name(j)))
                                break;
                free(tmp);
                ret = -E_UNSUPPORTED_FILTER;
                if (!filter_get(j))
                        goto out;
-               tmp = para_strdup(filter_get(j)->name);
+               tmp = para_strdup(filter_name(j));
                ret = add_filter(i, tmp);
                free(tmp);
                if (ret < 0)
                        goto out;
                PARA_INFO_LOG("%s -> default filter: %s\n", audio_formats[i],
-                       filter_get(j)->name);
+                       filter_name(j));
        }
 out:
        return ret;
@@ -1018,7 +1022,7 @@ static int parse_filter_args(void)
        int i, j, ret, af_mask, num_matches;
 
        for (i = 0; i < conf.filter_given; i++) {
-               char *arg;
+               const char *arg;
                ret = parse_stream_command(conf.filter_arg[i], &arg);
                if (ret < 0)
                        goto out;
@@ -1500,7 +1504,6 @@ int main(int argc, char *argv[])
        version_handle_flag("audiod", conf.version_given);
        /* init receivers/filters/writers early to make help work */
        recv_init();
-       filter_init();
        writer_init();
        if (conf.help_given || conf.detailed_help_given)
                print_help_and_die();