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Add configuration option to chan_dahdi.conf to allow buffering policy and number of buffers to be configured per channel. Syntax:

Browse Source 
buffers=<num of buffers>,<policy>

Where the number of buffers is some non-negative integer and the policy is either "full", "half", or "immediate".



git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.4@138938 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Jeff Peeler
2008-08-19 22:56:07 +00:00
parent ccfa1564da
commit 05e68b7ca6
1 changed files with 38 additions and 17 deletions
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55
channels/chan_dahdi.c
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@@ -424,6 +424,8 @@ static struct dahdi_pvt {
struct dahdi_pvt *master; /*!< Master to us (we follow their conferencing) */
int inconference; /*!< If our real should be in the conference */
int buf_no; /*!< Number of buffers */
int buf_policy; /*!< Buffer policy */
int sig; /*!< Signalling style */
int radio; /*!< radio type */
int outsigmod; /*!< Outbound Signalling style (modifier) */
@@ -654,7 +656,10 @@ static struct dahdi_chan_conf dahdi_chan_conf_default(void) {
.polarityonanswerdelay = 600,
.sendcalleridafter = DEFAULT_CIDRINGS
.sendcalleridafter = DEFAULT_CIDRINGS,
.buf_policy = DAHDI_POLICY_IMMEDIATE,
.buf_no = numbufs
},
.timing = {
.prewinktime = -1,
@@ -970,9 +975,9 @@ static int alloc_sub(struct dahdi_pvt *p, int x)
if (p->subs[x].dfd > -1) {
res = ioctl(p->subs[x].dfd, DAHDI_GET_BUFINFO, &bi);
if (!res) {
bi.txbufpolicy = DAHDI_POLICY_IMMEDIATE;
bi.rxbufpolicy = DAHDI_POLICY_IMMEDIATE;
bi.numbufs = numbufs;
bi.txbufpolicy = p->buf_policy;
bi.rxbufpolicy = p->buf_policy;
bi.numbufs = p->buf_no;
res = ioctl(p->subs[x].dfd, DAHDI_SET_BUFINFO, &bi);
if (res < 0) {
ast_log(LOG_WARNING, "Unable to set buffer policy on channel %d: %s\n", x, strerror(errno));
@@ -7551,9 +7556,9 @@ static struct dahdi_pvt *mkintf(int channel, const struct dahdi_chan_conf *conf,
memset(&bi, 0, sizeof(bi));
res = ioctl(tmp->subs[SUB_REAL].dfd, DAHDI_GET_BUFINFO, &bi);
if (!res) {
bi.txbufpolicy = DAHDI_POLICY_IMMEDIATE;
bi.rxbufpolicy = DAHDI_POLICY_IMMEDIATE;
bi.numbufs = numbufs;
bi.txbufpolicy = conf->chan.buf_policy;
bi.rxbufpolicy = conf->chan.buf_policy;
bi.numbufs = conf->chan.buf_no;
res = ioctl(tmp->subs[SUB_REAL].dfd, DAHDI_SET_BUFINFO, &bi);
if (res < 0) {
ast_log(LOG_WARNING, "Unable to set buffer policy on channel %d: %s\n", channel, strerror(errno));
@@ -7871,9 +7876,9 @@ static struct dahdi_pvt *chandup(struct dahdi_pvt *src)
}
res = ioctl(p->subs[SUB_REAL].dfd, DAHDI_GET_BUFINFO, &bi);
if (!res) {
bi.txbufpolicy = DAHDI_POLICY_IMMEDIATE;
bi.rxbufpolicy = DAHDI_POLICY_IMMEDIATE;
bi.numbufs = numbufs;
bi.txbufpolicy = p->buf_policy;
bi.rxbufpolicy = p->buf_policy;
bi.numbufs = p->buf_no;
res = ioctl(p->subs[SUB_REAL].dfd, DAHDI_SET_BUFINFO, &bi);
if (res < 0) {
ast_log(LOG_WARNING, "Unable to set buffer policy on dup channel: %s\n", strerror(errno));
@@ -10967,7 +10972,6 @@ static int build_channels(struct dahdi_chan_conf *conf, int iscrv, const char *v
static int process_dahdi(struct dahdi_chan_conf *confp, const char *cat, struct ast_variable *v, int reload, int skipchannels)
{
struct dahdi_pvt *tmp;
char *ringc; /* temporary string for parsing the dring number. */
int y;
int found_pseudo = 0;
char dahdichan[MAX_CHANLIST_LEN] = {};
@@ -10988,6 +10992,26 @@ static int process_dahdi(struct dahdi_chan_conf *confp, const char *cat, struct
iscrv = !strcasecmp(v->name, "crv");
if (build_channels(confp, iscrv, v->value, reload, v->lineno, &found_pseudo))
return -1;
} else if (!strcasecmp(v->name, "buffers")) {
int res;
char policy[8] = "";
res = sscanf(v->value, "%d,%s", &confp->chan.buf_no, policy);
if (res != 2) {
ast_log(LOG_WARNING, "Parsing buffers option data failed, using defaults.\n");
confp->chan.buf_no = numbufs;
continue;
}
if (confp->chan.buf_no < 0)
confp->chan.buf_no = numbufs;
if (!strcasecmp(policy, "full")) {
confp->chan.buf_policy = DAHDI_POLICY_WHEN_FULL;
} else if (!strcasecmp(policy, "half")) {
confp->chan.buf_policy = DAHDI_POLICY_IMMEDIATE /* TODO: change to HALF_FULL */;
} else if (!strcasecmp(policy, "immediate")) {
confp->chan.buf_policy = DAHDI_POLICY_IMMEDIATE;
} else {
ast_log(LOG_WARNING, "Invalid policy name given (%s).\n", policy);
}
} else if (!strcasecmp(v->name, "zapchan") || !strcasecmp(v->name, "dahdichan")) {
ast_copy_string(dahdichan, v->value, sizeof(dahdichan));
if (v->name[0] == 'z' || v->name[0] == 'Z') {
@@ -11006,14 +11030,11 @@ static int process_dahdi(struct dahdi_chan_conf *confp, const char *cat, struct
} else if (!strcasecmp(v->name, "dring3context")) {
ast_copy_string(drings.ringContext[2].contextData, v->value, sizeof(drings.ringContext[2].contextData));
} else if (!strcasecmp(v->name, "dring1")) {
ringc = v->value;
sscanf(ringc, "%d,%d,%d", &drings.ringnum[0].ring[0], &drings.ringnum[0].ring[1], &drings.ringnum[0].ring[2]);
sscanf(v->value, "%d,%d,%d", &drings.ringnum[0].ring[0], &drings.ringnum[0].ring[1], &drings.ringnum[0].ring[2]);
} else if (!strcasecmp(v->name, "dring2")) {
ringc = v->value;
sscanf(ringc, "%d,%d,%d", &drings.ringnum[1].ring[0], &drings.ringnum[1].ring[1], &drings.ringnum[1].ring[2]);
sscanf(v->value, "%d,%d,%d", &drings.ringnum[1].ring[0], &drings.ringnum[1].ring[1], &drings.ringnum[1].ring[2]);
} else if (!strcasecmp(v->name, "dring3")) {
ringc = v->value;
sscanf(ringc, "%d,%d,%d", &drings.ringnum[2].ring[0], &drings.ringnum[2].ring[1], &drings.ringnum[2].ring[2]);
sscanf(v->value, "%d,%d,%d", &drings.ringnum[2].ring[0], &drings.ringnum[2].ring[1], &drings.ringnum[2].ring[2]);
} else if (!strcasecmp(v->name, "usecallerid")) {
confp->chan.use_callerid = ast_true(v->value);
} else if (!strcasecmp(v->name, "cidsignalling")) {