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author | markster <markster@f38db490-d61c-443f-a65b-d21fe96a405b> | 2001-03-10 19:12:11 +0000 |
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committer | markster <markster@f38db490-d61c-443f-a65b-d21fe96a405b> | 2001-03-10 19:12:11 +0000 |
commit | dc884645e6463fb181af816fdea3599713b0bd87 (patch) | |
tree | c16bdd5583e05977a7893075e3b541e1a3afa073 /include/asterisk/channel.h | |
parent | ea452d3fd8f99256d987297e5afa8d1c226b465e (diff) |
Version 0.1.7 from FTP
git-svn-id: http://svn.digium.com/svn/asterisk/trunk@236 f38db490-d61c-443f-a65b-d21fe96a405b
Diffstat (limited to 'include/asterisk/channel.h')
-rwxr-xr-x | include/asterisk/channel.h | 58 |
1 files changed, 48 insertions, 10 deletions
diff --git a/include/asterisk/channel.h b/include/asterisk/channel.h index b3ef37653..3f7d5e744 100755 --- a/include/asterisk/channel.h +++ b/include/asterisk/channel.h @@ -36,27 +36,37 @@ extern "C" { struct ast_channel { char name[AST_CHANNEL_NAME]; /* ASCII Description of channel name */ char language[MAX_LANGUAGE]; /* Language requested */ + char *type; /* Type of channel */ + int fd; /* File descriptor for channel -- all must have + a file descriptor! */ + + int blocking; /* Whether or not we're blocking */ pthread_t blocker; /* If anyone is blocking, this is them */ pthread_mutex_t lock; /* Lock, can be used to lock a channel for some operations */ char *blockproc; /* Procedure causing blocking */ + char *appl; /* Current application */ char *data; /* Data passed to current application */ - int blocking; /* Whether or not we're blocking */ + + int exception; /* Has an exception been detected */ struct sched_context *sched; /* Schedule context */ + int streamid; /* For streaming playback, the schedule ID */ struct ast_filestream *stream; /* Stream itself. */ - struct ast_channel *trans; /* Translator if present */ - struct ast_channel *master; /* Master channel, if this is a translator */ - int fd; /* File descriptor for channel -- all must have - a file descriptor! */ - char *type; /* Type of channel */ + int oldwriteformat; /* Original writer format */ + int state; /* State of line */ int rings; /* Number of rings so far */ int stack; /* Current level of application */ - int format; /* Kinds of data this channel can + + int nativeformats; /* Kinds of data this channel can natively handle */ + int readformat; /* Requested read format */ + int writeformat; /* Requested write format */ + char *dnid; /* Malloc'd Dialed Number Identifier */ char *callerid; /* Malloc'd Caller ID */ + char context[AST_MAX_EXTENSION]; /* Current extension context */ char exten[AST_MAX_EXTENSION]; /* Current extension number */ int priority; /* Current extension priority */ @@ -125,7 +135,7 @@ int ast_waitfor(struct ast_channel *chan, int ms); struct ast_channel *ast_waitfor_n(struct ast_channel **chan, int n, int *ms); /* This version works on fd's only. Be careful with it. */ -int ast_waitfor_n_fd(int *fds, int n, int *ms); +int ast_waitfor_n_fd(int *fds, int n, int *ms, int *exception); /* Read a frame. Returns a frame, or NULL on error. If it returns NULL, you best just stop reading frames and assume the channel has been @@ -135,6 +145,12 @@ struct ast_frame *ast_read(struct ast_channel *chan); /* Write a frame to a channel */ int ast_write(struct ast_channel *chan, struct ast_frame *frame); +/* Set read format for channelto whichever component of "format" is best. */ +int ast_set_read_format(struct ast_channel *chan, int format); + +/* Set write format for channel to whichever compoent of "format" is best. */ +int ast_set_write_format(struct ast_channel *chan, int format); + /* Write text to a display on a channel */ int ast_sendtext(struct ast_channel *chan, char *text); @@ -148,10 +164,32 @@ char ast_waitfordigit(struct ast_channel *c, int ms); digits "timeout" (-1 for none), terminated by anything in "enders". Give them rtimeout for the first digit */ int ast_readstring(struct ast_channel *c, char *s, int len, int timeout, int rtimeout, char *enders); + +#define AST_BRIDGE_DTMF_CHANNEL_0 (1 << 0) /* Report DTMF on channel 0 */ +#define AST_BRIDGE_DTMF_CHANNEL_1 (1 << 1) /* Report DTMF on channel 1 */ +#define AST_BRIDGE_REC_CHANNEL_0 (1 << 2) /* Return all voice frames on channel 0 */ +#define AST_BRIDGE_REC_CHANNEL_1 (1 << 3) /* Return all voice frames on channel 1 */ +#define AST_BRIDGE_IGNORE_SIGS (1 << 4) /* Ignore all signal frames except NULL */ + + +/* Set two channels to compatible formats -- call before ast_channel_bridge in general . Returns 0 on success + and -1 if it could not be done */ +int ast_channel_make_compatible(struct ast_channel *c0, struct ast_channel *c1); + +/* Bridge two channels (c0 and c1) together. If an important frame occurs, we return that frame in + *rf (remember, it could be NULL) and which channel (0 or 1) in rc */ +int ast_channel_bridge(struct ast_channel *c0, struct ast_channel *c1, int flags, struct ast_frame **fo, struct ast_channel **rc); + +#ifdef DO_CRASH +#define CRASH do { *((int *)0) = 0; } while(0) +#else +#define CRASH do { } while(0) +#endif + #define CHECK_BLOCKING(c) { \ if ((c)->blocking) {\ - ast_log(LOG_WARNING, "Blocking '%s', already blocked by thread %ld in procedure %s\n", (c)->name, (c)->blocker, (c)->blockproc); \ - /* *((int *)0)=0; */ \ + ast_log(LOG_WARNING, "Thread %ld Blocking '%s', already blocked by thread %ld in procedure %s\n", pthread_self(), (c)->name, (c)->blocker, (c)->blockproc); \ + CRASH; \ } else { \ (c)->blocker = pthread_self(); \ (c)->blockproc = __PRETTY_FUNCTION__; \ |