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tools: atrf-id option -s to retrieve driver spec, with necessary infrastructure
- include/atrf.h (atrf_driver_spec), lib/atrf.c (atrf_driver_spec): new function to retrieve the local or remote/final driver spec - lib/atrf.c (struct atrf_dsc, atrf_open, atrf_close): record the local driver spec - lib/driver.h (struct atrf_driver): new driver function "driver_spec" to retrieve the driver spec - lib/atnet.c (struct atnet_dsc, atnet_open, atnet_close): maintain a cache for the driver spec - lib/atnet.c (atnet_driver_spec, atnet_driver): added support for the "driver_spec" function - atrf-proxy/PROTOCOL, atrf-proxy/atrf-proxy.c (cmd_zero): added command SPEC to retrieve the (final) driver spec - atrf-id/atrf-id.c (usage, main): added option -s to retrieve the driver spec. One -s retrieves the local spec, -s -s the remote/final.
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@ -158,7 +158,12 @@ static void show_info(struct atrf_dsc *dsc)
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static void usage(const char *name)
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{
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fprintf(stderr, "usage: %s [-d driver[:arg]]\n", name);
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fprintf(stderr,
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"usage: %s [-d driver[:arg]] [-s [-s]]\n\n"
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" -d driver[:arg] use the specified driver (default: %s)\n"
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" -s print only the local driver specification\n"
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" -s -s print only the remote driver specification\n"
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, name, atrf_default_driver_name());
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exit(1);
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}
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@ -167,13 +172,17 @@ int main(int argc, char *const *argv)
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{
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const char *driver = NULL;
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struct atrf_dsc *dsc;
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int spec_only = 0;
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int c;
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while ((c = getopt(argc, argv, "d:")) != EOF)
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while ((c = getopt(argc, argv, "d:s")) != EOF)
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switch (c) {
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case 'd':
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driver = optarg;
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break;
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case 's':
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spec_only++;
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break;
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default:
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usage(*argv);
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}
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@ -184,7 +193,18 @@ int main(int argc, char *const *argv)
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if (!dsc)
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return 1;
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show_info(dsc);
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if (spec_only) {
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const char *spec = atrf_driver_spec(dsc, spec_only > 1);
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if (spec)
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printf("%s\n", spec);
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else {
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fprintf(stderr, "can't obtain specification\n");
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exit(1);
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}
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} else {
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show_info(dsc);
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}
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atrf_close(dsc);
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@ -8,6 +8,10 @@ Messages
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+[greeting]
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-message
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SPEC
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+driver_spec
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-message
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RESET
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+[comment]
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-message
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@ -151,6 +151,15 @@ static int cmd_zero(struct atrf_dsc *dsc, struct netio *netio, const char *cmd)
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{
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int res;
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if (!strcasecmp(cmd, "spec")) {
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const char *spec = atrf_driver_spec(dsc, 1);
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if (spec)
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return netio_printf(netio, "+%s\n", spec);
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else
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return netio_printf(netio,
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"-can't obtain specification\n");
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}
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if (!strcasecmp(cmd, "reset")) {
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atrf_reset(dsc);
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return netio_printf(netio, "+\n");
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@ -32,6 +32,7 @@ void *atrf_ben_regs(struct atrf_dsc *dsc); /* hack for atrf-xtal */
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const char *atrf_default_driver_name(void);
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struct atrf_dsc *atrf_open(const char *spec);
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void atrf_close(struct atrf_dsc *dsc);
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const char *atrf_driver_spec(struct atrf_dsc *dsc, int last);
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int atrf_error(struct atrf_dsc *dsc);
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int atrf_clear_error(struct atrf_dsc *dsc);
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@ -31,6 +31,7 @@
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struct atnet_dsc {
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struct netio *netio;
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int error;
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char *spec;
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char reply[1000];
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};
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@ -192,6 +193,7 @@ static void *atnet_open(const char *arg)
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}
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dsc->error = 0;
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dsc->spec = NULL;
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*dsc->reply = 0;
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return dsc;
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@ -203,6 +205,28 @@ static void atnet_close(void *handle)
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struct atnet_dsc *dsc = handle;
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netio_close(dsc->netio);
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free(dsc->spec);
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}
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/* ----- driver specification ---------------------------------------------- */
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static const char *atnet_driver_spec(void *handle)
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{
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struct atnet_dsc *dsc = handle;
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if (dialog(dsc, "SPEC") < 0) {
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dsc->error = 1;
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return NULL;
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}
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free(dsc->spec);
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dsc->spec = strdup(dsc->reply+1);
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if (!dsc->spec) {
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perror("strdup");
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exit(1);
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}
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return dsc->spec;
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}
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@ -421,6 +445,7 @@ struct atrf_driver atnet_driver = {
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.name = "net",
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.open = atnet_open,
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.close = atnet_close,
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.driver_spec = atnet_driver_spec,
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.error = atnet_error,
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.clear_error = atnet_clear_error,
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.reset = atnet_reset,
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@ -24,6 +24,7 @@
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struct atrf_dsc {
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const struct atrf_driver *driver;
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void *handle;
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char *spec;
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enum atrf_chip_id chip_id;
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};
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@ -164,6 +165,15 @@ struct atrf_dsc *atrf_open(const char *spec)
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}
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dsc->driver = driver;
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dsc->handle = handle;
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if (spec) {
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dsc->spec = strdup(spec);
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if (!dsc->spec) {
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perror("strdup");
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exit(1);
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}
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} else {
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dsc->spec= NULL;
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}
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dsc->chip_id = identify(dsc);
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return dsc;
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}
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@ -173,10 +183,21 @@ void atrf_close(struct atrf_dsc *dsc)
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{
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if (dsc->driver->close)
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dsc->driver->close(dsc->handle);
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free(dsc->spec);
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free(dsc);
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}
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const char *atrf_driver_spec(struct atrf_dsc *dsc, int last)
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{
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if (!dsc->spec)
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return dsc->driver->name;
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if (!last || !dsc->driver->driver_spec)
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return dsc->spec;
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return dsc->driver->driver_spec(dsc->handle);
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}
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void atrf_reset(struct atrf_dsc *dsc)
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{
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if (dsc->driver->reset)
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@ -21,6 +21,7 @@ struct atrf_driver {
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const char *name;
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void *(*open)(const char *arg);
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void (*close)(void *dsc);
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const char *(*driver_spec)(void *dsc);
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int (*error)(void *dsc);
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int (*clear_error)(void *dsc);
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void (*reset)(void *dsc);
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