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Add support for reserving a fax session before answering the channel.

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Note: this change breaks ABI compatibility.

FAX-217


git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.8@297486 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Matthew Nicholson
2010-12-02 21:30:47 +00:00
parent ed77fa1dfe
commit 93454c0e30
2 changed files with 174 additions and 49 deletions
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25
include/asterisk/res_fax.h
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@@ -58,8 +58,10 @@ enum ast_fax_modems {
/*! \brief current state of a fax session */
enum ast_fax_state {
/*! reserved state */
AST_FAX_STATE_RESERVED = 0,
/*! uninitialized state */
AST_FAX_STATE_UNINITIALIZED = 0,
AST_FAX_STATE_UNINITIALIZED,
/*! initialized state */
AST_FAX_STATE_INITIALIZED,
/*! fax resources open state */
@@ -168,7 +170,8 @@ struct ast_fax_session_details {
struct ast_fax_tech;
struct ast_fax_debug_info;
struct ast_fax_tech_token;
/*! \brief The data required to handle a fax session */
struct ast_fax_session {
/*! session id */
@@ -183,6 +186,8 @@ struct ast_fax_session {
unsigned long frames_sent;
/*! the fax technology callbacks */
const struct ast_fax_tech *tech;
/*! the token used to reserve this session */
struct ast_fax_tech_token *token;
/*! private implementation pointer */
void *tech_pvt;
/*! fax state */
@@ -197,9 +202,11 @@ struct ast_fax_session {
struct ast_fax_debug_info *debug_info;
/*! used to take variable-sized frames in and output frames of an expected size to the fax stack */
struct ast_smoother *smoother;
};
struct ast_fax_tech_token;
/*! some flags to track the stat counters for this session */
unsigned int reserved:1;
unsigned int active:1;
};
/*! \brief used to register a FAX technology module with res_fax */
struct ast_fax_tech {
@@ -242,7 +249,15 @@ struct ast_fax_tech {
/*! displays settings from the fax technology module */
char * (* const cli_show_settings)(int);
};
/*! \brief used by res_fax to reserve a FAX session */
struct ast_fax_tech_token {
/*! the fax technology callbacks */
const struct ast_fax_tech *tech;
/*! private implementation pointer */
void *tech_pvt;
};
/*! \brief register a fax technology */
int ast_fax_tech_register(struct ast_fax_tech *tech);