sr-dev July 2009

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35 participants
328 discussions

new module: mi_rpc
by jh＠tutpro.com 13 Jul '09

13 Jul '09

Daniel-Constantin Mierla writes: > here is what mi_rpc modules does: > - it receives a rpc handler form the rpc interface in core > - reads first parameter and then lookups MI command, if not found then > returns error, if found: > - reads all parameters as string and build internal MI tree ok, after andrei fixed some bug, i got stats working via mi_rpc and xmlrpc module interface. all stats except "tm:", which is now implemented using tm.stats command. res = c.tm.stats() provides this kind of result: {'2xx': 0, 'created': 0, '5xx': 0, 'delayed_free': 0, 'current': 0, 'total_local': 0, 'waiting': 0, '6xx': 0, '4xx': 0, '3xx': 0, 'total': 0, 'replied_locally': 0, 'freed': 0} whereas mi based stat results look like this: ['200 OK\n', '+ :: core:rcv_requests = 3', '+ :: core:rcv_replies = 0', '+ :: core:fwd_requests = 0', '+ :: core:fwd_replies = 0', '+ :: core:drop_requests = 0', '+ :: core:drop_replies = 0', '+ :: core:err_requests = 0', '+ :: core:err_replies = 0', '+ :: core:bad_URIs_rcvd = 0', '+ :: core:unsupported_methods = 3', '+ :: core:bad_msg_hdr = 0'] would it be possible to get the result in same (preferable the former) format in both cases? -- juha

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git:master: xmlrpc(s): added rpc client examples
by Andrei Pelinescu-Onciul 13 Jul '09

13 Jul '09

Module: sip-router Branch: master Commit: 4903fc5f9b5fa2b6047780dc192d6b41fd746d68 URL: http://git.sip-router.org/cgi-bin/gitweb.cgi/sip-router/?a=commit;h=4903fc5… Author: Andrei Pelinescu-Onciul <andrei(a)iptel.org> Committer: Andrei Pelinescu-Onciul <andrei(a)iptel.org> Date: Mon Jul 13 19:04:52 2009 +0200 xmlrpc(s): added rpc client examples Added rpc client examples/test scripts in perl and python. The python script has 2 versions: one with re-defined transport (that works properly without expecting the server side to immediately close the connection after answering) and one using the default xmlrpclib transport (which requires closing the connection from the ser xmlrpc route). --- modules_s/xmlrpc/examples/xmlrpc_test.pl | 67 +++++++++++++++++++++++++++++ modules_s/xmlrpc/examples/xmlrpc_test.py | 51 ++++++++++++++++++++++ modules_s/xmlrpc/examples/xmlrpc_test2.py | 29 ++++++++++++ 3 files changed, 147 insertions(+), 0 deletions(-) diff --git a/modules_s/xmlrpc/examples/xmlrpc_test.pl b/modules_s/xmlrpc/examples/xmlrpc_test.pl new file mode 100644 index 0000000..dbb32b8 --- /dev/null +++ b/modules_s/xmlrpc/examples/xmlrpc_test.pl @@ -0,0 +1,67 @@ +#!/usr/bin/perl + +# perl script for sending an xmlrpc command to ser's xmlrpc module, +# extra verbose output +# Usage: perl xmlrpc_test.pl command [params...] +# +# History: +# -------- +# 2009-07-13 initial version (andrei) +# +# + +use strict; +use warnings; + +use XMLRPC::Lite; + + my $rpc=shift @ARGV; + my @rpc_params=@ARGV; + my $k; + my %r; + my $i; + + if (!defined $rpc) { + die "Usage: $0 rpc_command [args..]"; + } + +# actual rpc call + + my($rpc_call) = XMLRPC::Lite + -> proxy("http://127.0.0.1:5060") -> call($rpc, @rpc_params); + + my $res= $rpc_call->result; + +# extra verbose result printing (could be skipped) + + if (!defined $res){ + print "fault{\n"; + $res=$rpc_call->fault; + %r=%{$res}; + foreach $k (sort keys %r) { + print("\t$k: $r{$k}\n"); + } + print "}\n"; + exit -1; + } + if (ref($res) eq "HASH"){ + print("{\n"); + %r=%{$res}; + foreach $k (keys %r) { + print("\t$k: ", $r{$k}, "\n"); + } + print("}\n"); + } elsif (ref($res) eq "ARRAY"){ + print "[\n"; + for ($i=0; $i<@{$res}; $i++){ + print "\t${$res}[$i]\n"; + } + print "]\n"; + }elsif (ref($res) eq "SCALAR"){ + print "${$res}\n"; + }elsif (!ref($res)){ + print "$res\n"; + }else{ + print("ERROR: reference to ", ref($res), " not handled\n"); + } + diff --git a/modules_s/xmlrpc/examples/xmlrpc_test.py b/modules_s/xmlrpc/examples/xmlrpc_test.py new file mode 100644 index 0000000..0bf1591 --- /dev/null +++ b/modules_s/xmlrpc/examples/xmlrpc_test.py @@ -0,0 +1,51 @@ +import xmlrpclib, httplib, sys + +# Usage: python xmlrpc_test.py command [params...] +# +# python script for sending an xmlrpc command to ser's xmlrpc module. +# Note: it uses a re-defined transport class that does not depend on the +# server side closing the connection (it can be used to send multiple +# commands without closing the connections and it will work without any +# special workarounds in the ser.cfg xmlrpc route). +# +# Credits: the transport class comes from ser_ctl, heavily trimmed to a very +# basic version (the ser_ctl version is much more complex, supports +# authentication, ssl a.s.o). See +# http://git.sip-router.org/cgi-bin/gitweb.cgi?p=ser;a=blob;f=ser_ctl/serctl/… for the original (better) version. +# +# +# History: +# -------- +# 2009-07-13 initial version (andrei) +# + + +XMLRPC_SERVER = "127.0.0.1" +XMLRPC_PORT = 5060 + +class Transport: + def __init__(self): + self.conn=httplib.HTTPConnection(XMLRPC_SERVER, str(XMLRPC_PORT)); + + def _http_request(self, uripath, body, host): + self.conn.request("POST", uripath, body, {}) + + def request(self, host, uripath, body, verbose=0): + self._http_request(uripath, body, host) + response=self.conn.getresponse() + if response.status != 200: + raise xmlrpclib.ProtocolError(host+uripath, response.status, + response.reason, response.msg) + data=response.read() + parser, unmarshaller=xmlrpclib.getparser() + parser.feed(data) + parser.close() + return unmarshaller.close() + +if len(sys.argv) < 2: + sys.exit("Usage: "+sys.argv[0]+" rpc_command [args...]"); +transport=Transport() +c=xmlrpclib.ServerProxy("http://" + XMLRPC_SERVER+ ":" + str(XMLRPC_PORT), + transport) +res=getattr(c, sys.argv[1])(*sys.argv[2:]) +print res; diff --git a/modules_s/xmlrpc/examples/xmlrpc_test2.py b/modules_s/xmlrpc/examples/xmlrpc_test2.py new file mode 100644 index 0000000..0fdee1e --- /dev/null +++ b/modules_s/xmlrpc/examples/xmlrpc_test2.py @@ -0,0 +1,29 @@ +import xmlrpclib, httplib, sys + +# Usage: python xmlrpc_test2.py command [params...] +# +# python script for sending an xmlrpc command to ser's xmlrpc module. +# This script uses python xmlrpclib directly and expects the remote side to +# immediately close the connection after answering (broken xmlrpclib +# behaviour). +# There are 2 way to make it work with ser xmlrpc module: define a +# better transport class (that's what the xmlrpc_test.py script is doing) or +# change ser xmlrpc route so that it will close the connection after each +# processes xmlrpc request (e.g. add a drop -1 at the end). +# +# See also: xmlrpc_test.py (better version, using a redefined transport class). +# +# History: +# -------- +# 2009-07-13 initial version (andrei) +# + +XMLRPC_SERVER = "127.0.0.1" +XMLRPC_PORT = 5060 + + +if len(sys.argv) < 2: + sys.exit("Usage: "+sys.argv[0]+" rpc_command [args...]"); +c=xmlrpclib.ServerProxy("http://" + XMLRPC_SERVER+ ":" + str(XMLRPC_PORT)) +res=getattr(c, sys.argv[1])(*sys.argv[2:]) +print res;

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new module: mi_rpc
by jh＠tutpro.com 13 Jul '09

13 Jul '09

Daniel-Constantin Mierla writes: > several days ago, a new module named mi_rpc was introduced to source > tree. The goal is to be able to execute MI commands using RPC interface > from sip router core. > > Back to mi_rpc, one issue that needs to be sorted out is the output > format. Right now doing a pretty-format printing which is not suitable > for xmlrpc. > > Feedback is very much appreciated, thanks, i tried to get core stats out using xmlrcp. using serctl, i can do it like this: srctl mi get_statistics core:200 OK + :: core:rcv_requests = 10 + :: core:rcv_replies = 0 + :: core:fwd_requests = 0 + :: core:fwd_replies = 0 + :: core:drop_requests = 0 + :: core:drop_replies = 0 + :: core:err_requests = 0 + :: core:err_replies = 0 + :: core:bad_URIs_rcvd = 0 + :: core:unsupported_methods = 10 + :: core:bad_msg_hdr = 0 using xmlrpc interface, i tried by giving command called "mi" with argument list "get_statistics" and "core":, but it didn't work: c.mi(['get_statistics', 'core:']) ... xmlrpclib.Fault: <Fault 500: 'command parameter missing'> how is the actual command and and its arguments supplied? -- juha

2 2

git:master: xmlrpc(s): fix '*' rpc_scan handling
by Andrei Pelinescu-Onciul 13 Jul '09

13 Jul '09

Module: sip-router Branch: master Commit: e792b7614aaa57ddf4482a23e21c959dd2f45f98 URL: http://git.sip-router.org/cgi-bin/gitweb.cgi/sip-router/?a=commit;h=e792b76… Author: Andrei Pelinescu-Onciul <andrei(a)iptel.org> Committer: Andrei Pelinescu-Onciul <andrei(a)iptel.org> Date: Mon Jul 13 18:00:40 2009 +0200 xmlrpc(s): fix '*' rpc_scan handling The '*' modifier (marking the next parameters as optional) was not properly handled (the current input parameter was "eaten"). Reported-by: Juha Heinanen jh at tutpro com --- modules_s/xmlrpc/xmlrpc.c | 6 +++--- 1 files changed, 3 insertions(+), 3 deletions(-) diff --git a/modules_s/xmlrpc/xmlrpc.c b/modules_s/xmlrpc/xmlrpc.c index 56b2151..0de5145 100644 --- a/modules_s/xmlrpc/xmlrpc.c +++ b/modules_s/xmlrpc/xmlrpc.c @@ -1220,9 +1220,9 @@ static int rpc_scan(rpc_ctx_t* ctx, char* fmt, ...) switch(*fmt) { case '*': /* start of optional parameters */ modifiers++; - /* no other action needed, for xmlrpc params are treated as - optionals anyway */ - break; + read++; + fmt++; + continue; /* do not advance ctx->act-param */ case 'b': /* Bool */ case 't': /* Date and time */ case 'd': /* Integer */

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git:master: mi_rpc: mi returns always an array
by Andrei Pelinescu-Onciul 13 Jul '09

13 Jul '09

Module: sip-router Branch: master Commit: 7dced0f9e7f8315c7a39b46e38a488cff105de7e URL: http://git.sip-router.org/cgi-bin/gitweb.cgi/sip-router/?a=commit;h=7dced0f… Author: Andrei Pelinescu-Onciul <andrei(a)iptel.org> Committer: Andrei Pelinescu-Onciul <andrei(a)iptel.org> Date: Mon Jul 13 18:03:47 2009 +0200 mi_rpc: mi returns always an array Try returning always an array: it makes no difference for sercmd, but it helps for xmlrpc. --- modules/mi_rpc/mi_rpc_mod.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/modules/mi_rpc/mi_rpc_mod.c b/modules/mi_rpc/mi_rpc_mod.c index a1329ce..cc3daac 100644 --- a/modules/mi_rpc/mi_rpc_mod.c +++ b/modules/mi_rpc/mi_rpc_mod.c @@ -40,7 +40,7 @@ static const char* rpc_mi_exec_doc[2] = { static void rpc_mi_exec(rpc_t* rpc, void* c); rpc_export_t mr_rpc[] = { - {"mi", rpc_mi_exec, rpc_mi_exec_doc, 0}, + {"mi", rpc_mi_exec, rpc_mi_exec_doc, RET_ARRAY}, {0, 0, 0, 0} };

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CVS:commitlog: sip_router/cfg cfg_script.c cfg_struct.c
by Miklos Tirpak 13 Jul '09

13 Jul '09

tirpi 2009/07/13 17:13:12 CEST SER CVS Repository Modified files: cfg cfg_script.c cfg_struct.c Log: cfg framework: fix the group handles in the main process (backport from GIT) The main process does not have a local configuration, it has access only to the config values that were set before forking. As a result, the group handles cannot ponint to the shared memory address because the shared memory block may be freed later by one of the child processes. This problem resulted sometimes in a core dump after the processes were killed when the main process tried to access a variable from shared mem which was no longer available. Revision Changes Path 1.7 +1 -2 sip_router/cfg/cfg_script.c http://cvs.berlios.de/cgi-bin/viewcvs.cgi/ser/sip_router/cfg/cfg_script.c.d… 1.13 +8 -6 sip_router/cfg/cfg_struct.c http://cvs.berlios.de/cgi-bin/viewcvs.cgi/ser/sip_router/cfg/cfg_struct.c.d…

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git:master: cfg framework: fix the group handles in the main process
by Miklos Tirpak 13 Jul '09

13 Jul '09

Module: sip-router Branch: master Commit: df8b1cf011e0ecf4c9f06578ddc6b991fd1444c4 URL: http://git.sip-router.org/cgi-bin/gitweb.cgi/sip-router/?a=commit;h=df8b1cf… Author: Miklos Tirpak <miklos(a)iptel.org> Committer: Miklos Tirpak <miklos(a)iptel.org> Date: Mon Jul 13 16:36:36 2009 +0200 cfg framework: fix the group handles in the main process The main process does not have a local configuration, it has access only to the config values that were set before forking. As a result, the group handles cannot ponint to the shared memory address because the shared memory block may be freed later by one of the child processes. This problem resulted sometimes in a core dump after the processes were killed when the main process tried to access a variable from shared mem which was no longer available. --- cfg/cfg_script.c | 1 - cfg/cfg_select.c | 9 +++++++++ cfg/cfg_struct.c | 12 +++++++----- 3 files changed, 16 insertions(+), 6 deletions(-) diff --git a/cfg/cfg_script.c b/cfg/cfg_script.c index 39a4068..8804e40 100644 --- a/cfg/cfg_script.c +++ b/cfg/cfg_script.c @@ -143,7 +143,6 @@ error: /* fix-up the dynamically declared group: * - allocate memory for the arrays * - set the values within the memory block - * - notify the drivers about the new group */ int cfg_script_fixup(cfg_group_t *group, unsigned char *block) { diff --git a/cfg/cfg_select.c b/cfg/cfg_select.c index 4374aa6..d8871ba 100644 --- a/cfg/cfg_select.c +++ b/cfg/cfg_select.c @@ -203,6 +203,10 @@ int select_cfg_var(str *res, select_t *s, struct sip_msg *msg) /* use the module's handle to access the variable, so the variables are read from the local config */ p = *(group->handle) + var->offset; + if (p == NULL) + return -1; /* The group is not yet ready. + * (Trying to read the value from the + * main process that has no local configuration) */ switch (CFG_VAR_TYPE(var)) { case CFG_VAR_INT: @@ -295,9 +299,14 @@ unsigned int read_cfg_var(struct cfg_read_handle *read_handle, void **val) group = (cfg_group_t *)(read_handle->group); var = (cfg_mapping_t *)(read_handle->var); + /* use the module's handle to access the variable, so the variables are read from the local config */ p = *(group->handle) + var->offset; + if (p == NULL) + return 0; /* The group is not yet ready. + * (Trying to read the value from the + * main process that has no local configuration) */ switch (CFG_VAR_TYPE(var)) { case CFG_VAR_INT: diff --git a/cfg/cfg_struct.c b/cfg/cfg_struct.c index 533228b..4f28dfe 100644 --- a/cfg/cfg_struct.c +++ b/cfg/cfg_struct.c @@ -194,21 +194,23 @@ int cfg_shmize(void) /* clone the strings to shm mem */ if (cfg_shmize_strings(group)) goto error; - /* copy the values to the new block, - and update the module's handle */ + /* copy the values to the new block */ memcpy(block->vars+group->offset, group->vars, group->size); - *(group->handle) = block->vars+group->offset; } else { /* The group was declared with NULL values, * we have to fix it up. * The fixup function takes care about the values, * it fills up the block */ if (cfg_script_fixup(group, block->vars+group->offset)) goto error; - *(group->handle) = block->vars+group->offset; - /* notify the drivers about the new config definition */ + /* Notify the drivers about the new config definition. + * Temporary set the group handle so that the drivers have a chance to + * overwrite the default values. The handle must be reset after this + * because the main process does not have a local configuration. */ + *(group->handle) = block->vars+group->offset; cfg_notify_drivers(group->name, group->name_len, group->mapping->def); + *(group->handle) = NULL; } } /* try to fixup the selects that failed to be fixed-up previously */

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git:master: cfg framework: readme correction
by Miklos Tirpak 13 Jul '09

13 Jul '09

Module: sip-router Branch: master Commit: f38774811308f3e33984fd1e7d1375f00202572f URL: http://git.sip-router.org/cgi-bin/gitweb.cgi/sip-router/?a=commit;h=f387748… Author: Miklos Tirpak <miklos(a)iptel.org> Committer: Miklos Tirpak <miklos(a)iptel.org> Date: Mon Jul 13 16:58:22 2009 +0200 cfg framework: readme correction Documentation about how to read "foreign" config values is corrected. --- doc/cfg.txt | 18 ++++++++++-------- 1 files changed, 10 insertions(+), 8 deletions(-) diff --git a/doc/cfg.txt b/doc/cfg.txt index 93d2c77..548ef5d 100644 --- a/doc/cfg.txt +++ b/doc/cfg.txt @@ -169,13 +169,15 @@ cfg_get(foo, cfg_handle, p) It is also possible to access the variables of other modules or the core in two different ways: -1) Include the header file of the other module/core that declares the cfg_group_* -structure and the handle for it. Than use the handle of that module/core to access +1) For the core: include the header file that declares the cfg_group_* +structure and the handle for it. Than use the handle of the core to access the variable: -cfg_get(bar, cfg_handle_of_bar, j); +#include "../../cfg_core.h" +cfg_get(core, core_cfg, use_dst_blacklist) -2) Access the variables by their group and variable name: +2) For the core, module, or script: access the variables by their group +and variable name: #include "../../cfg/cfg_select.h" @@ -195,15 +197,15 @@ static int mod_init(void) } int j; -if ((cfg_read_var_int(&var_bar_j, &j)) < 0) { error... } +if ((read_cfg_var_int(&var_bar_j, &j)) < 0) { error... } or similarly, str s; -if ((cfg_read_var_str(&var_bar_j, &s)) < 0) { error... } +if ((read_cfg_var_str(&var_bar_j, &s)) < 0) { error... } 2) is a bit slower than 1) because the first solution returns the pointer directly -to the variable, but 2) supports also the variables declared in the script that are -not known at compile time. +to the variable, but 2) offers access also to the configuration of other modules +and to the variables declared in the script that are not known at compile time. 3. Using the framework in the core ===============================================================================

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What is test.c.bak?
by Klaus Darilion 13 Jul '09

13 Jul '09

This file is in git-root directory. Maybe some garbage? This file gets deleted during "make deb" - why is "make deb" deleting this file? regards klaus

2 1

git:master: core: deleted test.c.bak
by Andrei Pelinescu-Onciul 13 Jul '09

13 Jul '09

Module: sip-router Branch: master Commit: e12cf4810aa16da679bdad77359d7a29ed4225eb URL: http://git.sip-router.org/cgi-bin/gitweb.cgi/sip-router/?a=commit;h=e12cf48… Author: Andrei Pelinescu-Onciul <andrei(a)iptel.org> Committer: Andrei Pelinescu-Onciul <andrei(a)iptel.org> Date: Mon Jul 13 15:29:55 2009 +0200 core: deleted test.c.bak test.c.bak was one of the first files in the ser repository. test.c was used to test the first version of the sip parser and test.c.bak made it by mistake into the first cvs repository. --- test.c.bak | 134 ------------------------------------------------------------ 1 files changed, 0 insertions(+), 134 deletions(-) diff --git a/test.c.bak b/test.c.bak deleted file mode 100644 index d395060..0000000 --- a/test.c.bak +++ /dev/null @@ -1,134 +0,0 @@ -/* - * tst - */ - -#include <stdio.h> -#include <string.h> - -#include "msg_parser.h" -#include "dprint.h" - -#define BSIZE 1024 -char buf[BSIZE+1]; - -void main() -{ - char* rest; - char* tmp; - char* first_via; - char* second_via; - struct msg_start fl; - struct hdr_field hf; - struct via_body vb1, vb2; - - int len; - int offset; - int r; - - while(!feof(stdin)){ - len=fread(buf,1,BSIZE,stdin); - buf[len+1]=0; - printf("read <%s>(%d)\n",buf,strlen(buf)); - fflush(stdin); - - /* eat crlf from the beginning */ - for (tmp=buf; (*tmp=='\n' || *tmp=='\r')&& - tmp-buf < len ; tmp++); - offset=tmp-buf; - rest=parse_first_line(tmp, len-offset, &fl); - offset+=rest-tmp; - tmp=rest; - switch(fl.type){ - case SIP_INVALID: - printf("invalid message\n"); - break; - case SIP_REQUEST: - printf("SIP Request:\n"); - printf(" method: <%s>\n",fl.u.request.method); - printf(" uri: <%s>\n",fl.u.request.uri); - printf(" version: <%s>\n",fl.u.request.version); - break; - case SIP_REPLY: - printf("SIP Reply (status):\n"); - printf(" version: <%s>\n",fl.u.reply.version); - printf(" status: <%s>\n",fl.u.reply.status); - printf(" reason: <%s>\n",fl.u.reply.reason); - break; - default: - printf("unknown type %d\n",fl.type); - } - - /*find first Via: */ - hf.type=HDR_ERROR; - first_via=0; - second_via=0; - do{ - rest=get_hdr_field(tmp, len-offset, &hf); - offset+=rest-tmp; - tmp=rest; - switch (hf.type){ - case HDR_ERROR: - DPrint("ERROR: bad header field\n"); - goto error; - case HDR_EOH: - goto eoh; - case HDR_VIA: - if (first_via==0) first_via=hf.body; - else if (second_via==0) second_via=hf.body; - break; - } - printf("header field type %d, name=<%s>, body=<%s>\n", - hf.type, hf.name, hf.body); - - - }while(hf.type!=HDR_EOH && rest-buf < len); - - eoh: - /* replace cr/lf with space in first via */ - for (tmp=first_via;(first_via) && (*tmp);tmp++) - if ((*tmp=='\r')||(*tmp=='\n')) *tmp=' '; - - printf("first via: <%s>\n", first_via); - tmp=parse_via_body(first_via, strlen(first_via), &vb1); - if (vb1.error!=VIA_PARSE_OK){ - DPrint("ERROR: parsing via body: %s\n", first_via); - goto error; - } - /* compact via */ - if (vb1.next) second_via=vb1.next; - if (second_via) { - tmp=parse_via_body(second_via, strlen(second_via), &vb2); - if (vb2.error!=VIA_PARSE_OK){ - DPrint("ERROR: parsing via body: %s\n", second_via); - goto error; - } - } - - /* dump parsed data */ - printf(" first via: <%s/%s/%s> <%s:%d>", - vb1.name, vb1.version, vb1.transport, vb1.host, vb1.port); - if (vb1.params) printf(";<%s>", vb1.params); - if (vb1.comment) printf(" <%s>", vb1.comment); - printf ("\n"); - if (second_via){ - printf(" second via: <%s/%s/%s> <%s:%d>", - vb2.name, vb2.version, vb2.transport, vb2.host, vb2.port); - if (vb2.params) printf(";<%s>", vb2.params); - if (vb2.comment) printf(" <%s>", vb2.comment); - printf ("\n"); - } - - - - error: - /* find endof msg */ - printf("rest:(buffer=%x, rest=%x)\n%s\n.\n",buf,rest,rest); - - for (r=0; r<len+1;r++) - printf("%02x ", buf[r]); - printf("\n*rest=%02x\n",*rest); - - } -} - -

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sr-dev July 2009