(三)pjsip 监听

1、新建项目 -> 在 "pjproject-2.8" 根目录同级；

2、附加包含目录 "../../pjproject-2.8/pjsip/include/;../../pjproject-2.8/pjlib/include/;../../pjproject-2.8/pjlib-util/include/;../../pjproject-2.8/pjnath/include/"

3、链接器 -> 附加库目录 "../../pjproject-2.8/lib/;../../pjproject-2.8/pjlib/lib/;../../pjproject-2.8/pjlib-util/lib/;../../pjproject-2.8/pjsip/lib/;../../pjproject-2.8/pjnath/lib/"

4、链接器 -> 输入 -> 附加依赖项 " ws2_32.lib;pjlib-i386-Win32-vc14-Debug.lib;pjlib-util-i386-Win32-vc14-Debug.lib;pjnath-i386-Win32-vc14-Debug.lib;pjsip-core-i386-Win32-vc14-Debug.lib;"

5、ip转 pj_unit_32


pj_in_addr in_addr;
pj_str_t host = pj_str("192.168.0.55");
pj_inet_aton(&host, &in_addr);// string ip 转 pj_uint32_t
addr.sin_addr.s_addr = in_addr.s_addr; //0;

6、完整代码


#include "stdafx.h"
#include <pjsip.h>
#include <pjlib-util.h>
#include <pjlib.h>/* If this macro is set, UDP transport will be initialized at port 5060 */
#define HAS_UDP_TRANSPORT/* If this macro is set, TCP transport will be initialized at port 5060 */
#define HAS_TCP_TRANSPORT   (1 && PJ_HAS_TCP)/* Log identification */
#define THIS_FILE       "sipstateless.c"  /* Global SIP endpoint */
static pjsip_endpoint *sip_endpt;/* What response code to be sent (default is 501/Not Implemented) */
static int code = PJSIP_SC_NOT_IMPLEMENTED;/* Additional header list */
struct pjsip_hdr hdr_list;/* usage() */
static void usage(void)
{puts("Usage:");puts("  sipstateless [code] [-H HDR] ..");puts("");puts("Options:");puts("  code     SIP status code to send (default: 501/Not Implemented");puts("  -H HDR   Specify additional headers to send with response");puts("           This option may be specified more than once.");puts("           Example:");puts("              -H 'Expires: 300' -H 'Contact: <sip:localhost>'");
}/* Callback to handle incoming requests. */
static pj_bool_t on_rx_request(pjsip_rx_data *rdata)
{/* Respond (statelessly) all incoming requests (except ACK!)                   * with 501 (Not Implemented)*/if (rdata->msg_info.msg->line.req.method.id != PJSIP_ACK_METHOD){pjsip_endpt_respond_stateless(sip_endpt, rdata, code, NULL, &hdr_list, NULL);}return PJ_TRUE;
}/** main()**/
int main(int argc, char *argv[])
{pj_caching_pool cp;pj_pool_t *pool = NULL;pjsip_module mod_app ={NULL,NULL,                 /* prev, next.              */           { "mod-app", 7 },           /* Name.                    */            -1,                                 /* Id               */          PJSIP_MOD_PRIORITY_APPLICATION, /* Priority             */NULL,                       /* load()                   */NULL,                       /* start()                  */NULL,                       /* stop()                   */NULL,                       /* unload()                 */&on_rx_request,             /* on_rx_request()          */NULL,                       /* on_rx_response()         */NULL,                       /* on_tx_request.           */NULL,                       /* on_tx_response()         */NULL,                       /* on_tsx_state()           */};int c;pj_status_t status;/* Must init PJLIB first: */status = pj_init();PJ_ASSERT_RETURN(status == PJ_SUCCESS, 1);/* Then init PJLIB-UTIL: */status = pjlib_util_init();PJ_ASSERT_RETURN(status == PJ_SUCCESS, 1);/* Must create a pool factory before we can allocate any memory. */pj_caching_pool_init(&cp, &pj_pool_factory_default_policy, 0);/* Create global endpoint: */{/* Endpoint MUST be assigned a globally unique name.* Ideally we should put hostname or public IP address, but* we'll just use an arbitrary name here.*//* Create the endpoint: */status = pjsip_endpt_create(&cp.factory, "sipstateless", &sip_endpt);PJ_ASSERT_RETURN(status == PJ_SUCCESS, 1);}/* Parse arguments */pj_optind = 0;pj_list_init(&hdr_list);while ((c = pj_getopt(argc, argv, "H:")) != -1) {switch (c) {case 'H':if (pool == NULL) {pool = pj_pool_create(&cp.factory, "sipstateless", 1000,1000, NULL);}if (pool) {char *name;name = strtok(pj_optarg, ":");if (name == NULL) {puts("Error: invalid header format");return 1;}else {char *val = strtok(NULL, "\r\n");pjsip_generic_string_hdr *h;pj_str_t hname, hvalue;hname = pj_str(name);hvalue = pj_str(val);h = pjsip_generic_string_hdr_create(pool, &hname, &hvalue);pj_list_push_back(&hdr_list, h);PJ_LOG(4, (THIS_FILE, "Header %s: %s added", name, val));}}break;default:puts("Error: invalid argument");usage();return 1;}}if (pj_optind != argc) {code = atoi(argv[pj_optind]);if (code < 200 || code > 699) {puts("Error: invalid status code");usage();return 1;}}PJ_LOG(4, (THIS_FILE, "Returning %d to incoming requests", code));pj_in_addr in_addr;pj_str_t host = pj_str("192.168.0.55");pj_inet_aton(&host, &in_addr);/** Add UDP transport, with hard-coded port*/
#ifdef HAS_UDP_TRANSPORT{pj_sockaddr_in addr;addr.sin_family = pj_AF_INET();addr.sin_addr.s_addr = in_addr.s_addr; //0;       addr.sin_port = pj_htons(5060);status = pjsip_udp_transport_start(sip_endpt, &addr, NULL, 1, NULL);if (status != PJ_SUCCESS) {PJ_LOG(3, (THIS_FILE,"Error starting UDP transport (port in use?)"));return 1;}}
#endif#if HAS_TCP_TRANSPORT/** Add UDP transport, with hard-coded port*/{pj_sockaddr_in addr;addr.sin_family = pj_AF_INET();addr.sin_addr.s_addr = in_addr.s_addr; //0;   addr.sin_port = pj_htons(5060);status = pjsip_tcp_transport_start(sip_endpt, &addr, 1, NULL);if (status != PJ_SUCCESS) {PJ_LOG(3, (THIS_FILE,"Error starting TCP transport (port in use?)"));return 1;}}
#endif//delete in_addr;/** Register our module to receive incoming requests.*/status = pjsip_endpt_register_module(sip_endpt, &mod_app);PJ_ASSERT_RETURN(status == PJ_SUCCESS, 1);/* Done. Loop forever to handle incoming events. */PJ_LOG(3, (THIS_FILE, "Press Ctrl-C to quit.."));for (;;) {pjsip_endpt_handle_events(sip_endpt, NULL);}
}

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